external/vulkancts/modules/vulkan/spirv_assembly/vktSpvAsmInstructionTests.cpp

   1 /*-------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2015 Google Inc.
   6  * Copyright (c) 2016 The Khronos Group Inc.
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  *//*!
  21  * \file
  22  * \brief SPIR-V Assembly Tests for Instructions (special opcode/operand)
  23  *//*--------------------------------------------------------------------*/
  24
  25 #include "vktSpvAsmInstructionTests.hpp"
  26
  27 #include "tcuCommandLine.hpp"
  28 #include "tcuFormatUtil.hpp"
  29 #include "tcuFloat.hpp"
  30 #include "tcuRGBA.hpp"
  31 #include "tcuStringTemplate.hpp"
  32 #include "tcuTestLog.hpp"
  33 #include "tcuVectorUtil.hpp"
  34 #include "tcuInterval.hpp"
  35
  36 #include "vkDefs.hpp"
  37 #include "vkDeviceUtil.hpp"
  38 #include "vkMemUtil.hpp"
  39 #include "vkPlatform.hpp"
  40 #include "vkPrograms.hpp"
  41 #include "vkQueryUtil.hpp"
  42 #include "vkRef.hpp"
  43 #include "vkRefUtil.hpp"
  44 #include "vkStrUtil.hpp"
  45 #include "vkTypeUtil.hpp"
  46
  47 #include "deStringUtil.hpp"
  48 #include "deUniquePtr.hpp"
  49 #include "deMath.h"
  50 #include "tcuStringTemplate.hpp"
  51
  52 #include "vktSpvAsmCrossStageInterfaceTests.hpp"
  53 #include "vktSpvAsm8bitStorageTests.hpp"
  54 #include "vktSpvAsm16bitStorageTests.hpp"
  55 #include "vktSpvAsmUboMatrixPaddingTests.hpp"
  56 #include "vktSpvAsmConditionalBranchTests.hpp"
  57 #include "vktSpvAsmIndexingTests.hpp"
  58 #include "vktSpvAsmImageSamplerTests.hpp"
  59 #include "vktSpvAsmComputeShaderCase.hpp"
  60 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  61 #include "vktSpvAsmGraphicsShaderTestUtil.hpp"
  62 #include "vktSpvAsmVariablePointersTests.hpp"
  63 #include "vktSpvAsmVariableInitTests.hpp"
  64 #include "vktSpvAsmPointerParameterTests.hpp"
  65 #include "vktSpvAsmSpirvVersionTests.hpp"
  66 #include "vktTestCaseUtil.hpp"
  67 #include "vktSpvAsmLoopDepLenTests.hpp"
  68 #include "vktSpvAsmLoopDepInfTests.hpp"
  69
  70 #include <cmath>
  71 #include <limits>
  72 #include <map>
  73 #include <string>
  74 #include <sstream>
  75 #include <utility>
  76 #include <stack>
  77
  78 namespace vkt
  79 {
  80 namespace SpirVAssembly
  81 {
  82
  83 namespace
  84 {
  85
  86 using namespace vk;
  87 using std::map;
  88 using std::string;
  89 using std::vector;
  90 using tcu::IVec3;
  91 using tcu::IVec4;
  92 using tcu::RGBA;
  93 using tcu::TestLog;
  94 using tcu::TestStatus;
  95 using tcu::Vec4;
  96 using de::UniquePtr;
  97 using tcu::StringTemplate;
  98 using tcu::Vec4;
  99
 100 template<typename T>
 101 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, int offset = 0)
 102 {
 103         T* const typedPtr = (T*)dst;
 104         for (int ndx = 0; ndx < numValues; ndx++)
 105                 typedPtr[offset + ndx] = randomScalar<T>(rnd, minValue, maxValue);
 106 }
 107
 108 // Filter is a function that returns true if a value should pass, false otherwise.
 109 template<typename T, typename FilterT>
 110 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, FilterT filter, int offset = 0)
 111 {
 112         T* const typedPtr = (T*)dst;
 113         T value;
 114         for (int ndx = 0; ndx < numValues; ndx++)
 115         {
 116                 do
 117                         value = randomScalar<T>(rnd, minValue, maxValue);
 118                 while (!filter(value));
 119
 120                 typedPtr[offset + ndx] = value;
 121         }
 122 }
 123
 124 // Gets a 64-bit integer with a more logarithmic distribution
 125 deInt64 randomInt64LogDistributed (de::Random& rnd)
 126 {
 127         deInt64 val = rnd.getUint64();
 128         val &= (1ull << rnd.getInt(1, 63)) - 1;
 129         if (rnd.getBool())
 130                 val = -val;
 131         return val;
 132 }
 133
 134 static void fillRandomInt64sLogDistributed (de::Random& rnd, vector<deInt64>& dst, int numValues)
 135 {
 136         for (int ndx = 0; ndx < numValues; ndx++)
 137                 dst[ndx] = randomInt64LogDistributed(rnd);
 138 }
 139
 140 template<typename FilterT>
 141 static void fillRandomInt64sLogDistributed (de::Random& rnd, vector<deInt64>& dst, int numValues, FilterT filter)
 142 {
 143         for (int ndx = 0; ndx < numValues; ndx++)
 144         {
 145                 deInt64 value;
 146                 do {
 147                         value = randomInt64LogDistributed(rnd);
 148                 } while (!filter(value));
 149                 dst[ndx] = value;
 150         }
 151 }
 152
 153 inline bool filterNonNegative (const deInt64 value)
 154 {
 155         return value >= 0;
 156 }
 157
 158 inline bool filterPositive (const deInt64 value)
 159 {
 160         return value > 0;
 161 }
 162
 163 inline bool filterNotZero (const deInt64 value)
 164 {
 165         return value != 0;
 166 }
 167
 168 static void floorAll (vector<float>& values)
 169 {
 170         for (size_t i = 0; i < values.size(); i++)
 171                 values[i] = deFloatFloor(values[i]);
 172 }
 173
 174 static void floorAll (vector<Vec4>& values)
 175 {
 176         for (size_t i = 0; i < values.size(); i++)
 177                 values[i] = floor(values[i]);
 178 }
 179
 180 struct CaseParameter
 181 {
 182         const char*             name;
 183         string                  param;
 184
 185         CaseParameter   (const char* case_, const string& param_) : name(case_), param(param_) {}
 186 };
 187
 188 // Assembly code used for testing LocalSize, OpNop, OpConstant{Null|Composite}, Op[No]Line, OpSource[Continued], OpSourceExtension, OpUndef is based on GLSL source code:
 189 //
 190 // #version 430
 191 //
 192 // layout(std140, set = 0, binding = 0) readonly buffer Input {
 193 //   float elements[];
 194 // } input_data;
 195 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
 196 //   float elements[];
 197 // } output_data;
 198 //
 199 // layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 200 //
 201 // void main() {
 202 //   uint x = gl_GlobalInvocationID.x;
 203 //   output_data.elements[x] = -input_data.elements[x];
 204 // }
 205
 206 static string getAsmForLocalSizeTest(bool useLiteralLocalSize, bool useSpecConstantWorkgroupSize, IVec3 workGroupSize, deUint32 ndx)
 207 {
 208         std::ostringstream out;
 209         out << getComputeAsmShaderPreambleWithoutLocalSize();
 210
 211         if (useLiteralLocalSize)
 212         {
 213                 out << "OpExecutionMode %main LocalSize "
 214                         << workGroupSize.x() << " " << workGroupSize.y() << " " << workGroupSize.z() << "\n";
 215         }
 216
 217         out << "OpSource GLSL 430\n"
 218                 "OpName %main           \"main\"\n"
 219                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 220                 "OpDecorate %id BuiltIn GlobalInvocationId\n";
 221
 222         if (useSpecConstantWorkgroupSize)
 223         {
 224                 out << "OpDecorate %spec_0 SpecId 100\n"
 225                         << "OpDecorate %spec_1 SpecId 101\n"
 226                         << "OpDecorate %spec_2 SpecId 102\n"
 227                         << "OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize\n";
 228         }
 229
 230         out << getComputeAsmInputOutputBufferTraits()
 231                 << getComputeAsmCommonTypes()
 232                 << getComputeAsmInputOutputBuffer()
 233                 << "%id        = OpVariable %uvec3ptr Input\n"
 234                 << "%zero      = OpConstant %i32 0 \n";
 235
 236         if (useSpecConstantWorkgroupSize)
 237         {
 238                 out     << "%spec_0   = OpSpecConstant %u32 "<< workGroupSize.x() << "\n"
 239                         << "%spec_1   = OpSpecConstant %u32 "<< workGroupSize.y() << "\n"
 240                         << "%spec_2   = OpSpecConstant %u32 "<< workGroupSize.z() << "\n"
 241                         << "%gl_WorkGroupSize = OpSpecConstantComposite %uvec3 %spec_0 %spec_1 %spec_2\n";
 242         }
 243
 244         out << "%main      = OpFunction %void None %voidf\n"
 245                 << "%label     = OpLabel\n"
 246                 << "%idval     = OpLoad %uvec3 %id\n"
 247                 << "%ndx         = OpCompositeExtract %u32 %idval " << ndx << "\n"
 248
 249                         "%inloc     = OpAccessChain %f32ptr %indata %zero %ndx\n"
 250                         "%inval     = OpLoad %f32 %inloc\n"
 251                         "%neg       = OpFNegate %f32 %inval\n"
 252                         "%outloc    = OpAccessChain %f32ptr %outdata %zero %ndx\n"
 253                         "             OpStore %outloc %neg\n"
 254                         "             OpReturn\n"
 255                         "             OpFunctionEnd\n";
 256         return out.str();
 257 }
 258
 259 tcu::TestCaseGroup* createLocalSizeGroup (tcu::TestContext& testCtx)
 260 {
 261         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "localsize", ""));
 262         ComputeShaderSpec                               spec;
 263         de::Random                                              rnd                             (deStringHash(group->getName()));
 264         const deUint32                                  numElements             = 64u;
 265         vector<float>                                   positiveFloats  (numElements, 0);
 266         vector<float>                                   negativeFloats  (numElements, 0);
 267
 268         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 269
 270         for (size_t ndx = 0; ndx < numElements; ++ndx)
 271                 negativeFloats[ndx] = -positiveFloats[ndx];
 272
 273         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 274         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 275
 276         spec.numWorkGroups = IVec3(numElements, 1, 1);
 277
 278         spec.assembly = getAsmForLocalSizeTest(true, false, IVec3(1, 1, 1), 0u);
 279         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_localsize", "", spec));
 280
 281         spec.assembly = getAsmForLocalSizeTest(true, true, IVec3(1, 1, 1), 0u);
 282         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_and_specid_localsize", "", spec));
 283
 284         spec.assembly = getAsmForLocalSizeTest(false, true, IVec3(1, 1, 1), 0u);
 285         group->addChild(new SpvAsmComputeShaderCase(testCtx, "specid_localsize", "", spec));
 286
 287         spec.numWorkGroups = IVec3(1, 1, 1);
 288
 289         spec.assembly = getAsmForLocalSizeTest(true, false, IVec3(numElements, 1, 1), 0u);
 290         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_localsize_x", "", spec));
 291
 292         spec.assembly = getAsmForLocalSizeTest(true, true, IVec3(numElements, 1, 1), 0u);
 293         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_and_specid_localsize_x", "", spec));
 294
 295         spec.assembly = getAsmForLocalSizeTest(false, true, IVec3(numElements, 1, 1), 0u);
 296         group->addChild(new SpvAsmComputeShaderCase(testCtx, "specid_localsize_x", "", spec));
 297
 298         spec.assembly = getAsmForLocalSizeTest(true, false, IVec3(1, numElements, 1), 1u);
 299         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_localsize_y", "", spec));
 300
 301         spec.assembly = getAsmForLocalSizeTest(true, true, IVec3(1, numElements, 1), 1u);
 302         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_and_specid_localsize_y", "", spec));
 303
 304         spec.assembly = getAsmForLocalSizeTest(false, true, IVec3(1, numElements, 1), 1u);
 305         group->addChild(new SpvAsmComputeShaderCase(testCtx, "specid_localsize_y", "", spec));
 306
 307         spec.assembly = getAsmForLocalSizeTest(true, false, IVec3(1, 1, numElements), 2u);
 308         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_localsize_z", "", spec));
 309
 310         spec.assembly = getAsmForLocalSizeTest(true, true, IVec3(1, 1, numElements), 2u);
 311         group->addChild(new SpvAsmComputeShaderCase(testCtx, "literal_and_specid_localsize_z", "", spec));
 312
 313         spec.assembly = getAsmForLocalSizeTest(false, true, IVec3(1, 1, numElements), 2u);
 314         group->addChild(new SpvAsmComputeShaderCase(testCtx, "specid_localsize_z", "", spec));
 315
 316         return group.release();
 317 }
 318
 319 tcu::TestCaseGroup* createOpNopGroup (tcu::TestContext& testCtx)
 320 {
 321         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnop", "Test the OpNop instruction"));
 322         ComputeShaderSpec                               spec;
 323         de::Random                                              rnd                             (deStringHash(group->getName()));
 324         const int                                               numElements             = 100;
 325         vector<float>                                   positiveFloats  (numElements, 0);
 326         vector<float>                                   negativeFloats  (numElements, 0);
 327
 328         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 329
 330         for (size_t ndx = 0; ndx < numElements; ++ndx)
 331                 negativeFloats[ndx] = -positiveFloats[ndx];
 332
 333         spec.assembly =
 334                 string(getComputeAsmShaderPreamble()) +
 335
 336                 "OpSource GLSL 430\n"
 337                 "OpName %main           \"main\"\n"
 338                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 339
 340                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 341
 342                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes())
 343
 344                 + string(getComputeAsmInputOutputBuffer()) +
 345
 346                 "%id        = OpVariable %uvec3ptr Input\n"
 347                 "%zero      = OpConstant %i32 0\n"
 348
 349                 "%main      = OpFunction %void None %voidf\n"
 350                 "%label     = OpLabel\n"
 351                 "%idval     = OpLoad %uvec3 %id\n"
 352                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 353
 354                 "             OpNop\n" // Inside a function body
 355
 356                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 357                 "%inval     = OpLoad %f32 %inloc\n"
 358                 "%neg       = OpFNegate %f32 %inval\n"
 359                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 360                 "             OpStore %outloc %neg\n"
 361                 "             OpReturn\n"
 362                 "             OpFunctionEnd\n";
 363         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 364         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 365         spec.numWorkGroups = IVec3(numElements, 1, 1);
 366
 367         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNop appearing at different places", spec));
 368
 369         return group.release();
 370 }
 371
 372 bool compareFUnord (const std::vector<Resource>& inputs, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog& log)
 373 {
 374         if (outputAllocs.size() != 1)
 375                 return false;
 376
 377         vector<deUint8> input1Bytes;
 378         vector<deUint8> input2Bytes;
 379         vector<deUint8> expectedBytes;
 380
 381         inputs[0].getBytes(input1Bytes);
 382         inputs[1].getBytes(input2Bytes);
 383         expectedOutputs[0].getBytes(expectedBytes);
 384
 385         const deInt32* const    expectedOutputAsInt             = reinterpret_cast<const deInt32*>(&expectedBytes.front());
 386         const deInt32* const    outputAsInt                             = static_cast<const deInt32*>(outputAllocs[0]->getHostPtr());
 387         const float* const              input1AsFloat                   = reinterpret_cast<const float*>(&input1Bytes.front());
 388         const float* const              input2AsFloat                   = reinterpret_cast<const float*>(&input2Bytes.front());
 389         bool returnValue                                                                = true;
 390
 391         for (size_t idx = 0; idx < expectedBytes.size() / sizeof(deInt32); ++idx)
 392         {
 393                 if (outputAsInt[idx] != expectedOutputAsInt[idx])
 394                 {
 395                         log << TestLog::Message << "ERROR: Sub-case failed. inputs: " << input1AsFloat[idx] << "," << input2AsFloat[idx] << " output: " << outputAsInt[idx]<< " expected output: " << expectedOutputAsInt[idx] << TestLog::EndMessage;
 396                         returnValue = false;
 397                 }
 398         }
 399         return returnValue;
 400 }
 401
 402 typedef VkBool32 (*compareFuncType) (float, float);
 403
 404 struct OpFUnordCase
 405 {
 406         const char*             name;
 407         const char*             opCode;
 408         compareFuncType compareFunc;
 409
 410                                         OpFUnordCase                    (const char* _name, const char* _opCode, compareFuncType _compareFunc)
 411                                                 : name                          (_name)
 412                                                 , opCode                        (_opCode)
 413                                                 , compareFunc           (_compareFunc) {}
 414 };
 415
 416 #define ADD_OPFUNORD_CASE(NAME, OPCODE, OPERATOR) \
 417 do { \
 418         struct compare_##NAME { static VkBool32 compare(float x, float y) { return (x OPERATOR y) ? VK_TRUE : VK_FALSE; } }; \
 419         cases.push_back(OpFUnordCase(#NAME, OPCODE, compare_##NAME::compare)); \
 420 } while (deGetFalse())
 421
 422 tcu::TestCaseGroup* createOpFUnordGroup (tcu::TestContext& testCtx)
 423 {
 424         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfunord", "Test the OpFUnord* opcodes"));
 425         de::Random                                              rnd                             (deStringHash(group->getName()));
 426         const int                                               numElements             = 100;
 427         vector<OpFUnordCase>                    cases;
 428
 429         const StringTemplate                    shaderTemplate  (
 430
 431                 string(getComputeAsmShaderPreamble()) +
 432
 433                 "OpSource GLSL 430\n"
 434                 "OpName %main           \"main\"\n"
 435                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 436
 437                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 438
 439                 "OpDecorate %buf BufferBlock\n"
 440                 "OpDecorate %buf2 BufferBlock\n"
 441                 "OpDecorate %indata1 DescriptorSet 0\n"
 442                 "OpDecorate %indata1 Binding 0\n"
 443                 "OpDecorate %indata2 DescriptorSet 0\n"
 444                 "OpDecorate %indata2 Binding 1\n"
 445                 "OpDecorate %outdata DescriptorSet 0\n"
 446                 "OpDecorate %outdata Binding 2\n"
 447                 "OpDecorate %f32arr ArrayStride 4\n"
 448                 "OpDecorate %i32arr ArrayStride 4\n"
 449                 "OpMemberDecorate %buf 0 Offset 0\n"
 450                 "OpMemberDecorate %buf2 0 Offset 0\n"
 451
 452                 + string(getComputeAsmCommonTypes()) +
 453
 454                 "%buf        = OpTypeStruct %f32arr\n"
 455                 "%bufptr     = OpTypePointer Uniform %buf\n"
 456                 "%indata1    = OpVariable %bufptr Uniform\n"
 457                 "%indata2    = OpVariable %bufptr Uniform\n"
 458
 459                 "%buf2       = OpTypeStruct %i32arr\n"
 460                 "%buf2ptr    = OpTypePointer Uniform %buf2\n"
 461                 "%outdata    = OpVariable %buf2ptr Uniform\n"
 462
 463                 "%id        = OpVariable %uvec3ptr Input\n"
 464                 "%zero      = OpConstant %i32 0\n"
 465                 "%consti1   = OpConstant %i32 1\n"
 466                 "%constf1   = OpConstant %f32 1.0\n"
 467
 468                 "%main      = OpFunction %void None %voidf\n"
 469                 "%label     = OpLabel\n"
 470                 "%idval     = OpLoad %uvec3 %id\n"
 471                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 472
 473                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 474                 "%inval1    = OpLoad %f32 %inloc1\n"
 475                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 476                 "%inval2    = OpLoad %f32 %inloc2\n"
 477                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
 478
 479                 "%result    = ${OPCODE} %bool %inval1 %inval2\n"
 480                 "%int_res   = OpSelect %i32 %result %consti1 %zero\n"
 481                 "             OpStore %outloc %int_res\n"
 482
 483                 "             OpReturn\n"
 484                 "             OpFunctionEnd\n");
 485
 486         ADD_OPFUNORD_CASE(equal, "OpFUnordEqual", ==);
 487         ADD_OPFUNORD_CASE(less, "OpFUnordLessThan", <);
 488         ADD_OPFUNORD_CASE(lessequal, "OpFUnordLessThanEqual", <=);
 489         ADD_OPFUNORD_CASE(greater, "OpFUnordGreaterThan", >);
 490         ADD_OPFUNORD_CASE(greaterequal, "OpFUnordGreaterThanEqual", >=);
 491         ADD_OPFUNORD_CASE(notequal, "OpFUnordNotEqual", !=);
 492
 493         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 494         {
 495                 map<string, string>                     specializations;
 496                 ComputeShaderSpec                       spec;
 497                 const float                                     NaN                             = std::numeric_limits<float>::quiet_NaN();
 498                 vector<float>                           inputFloats1    (numElements, 0);
 499                 vector<float>                           inputFloats2    (numElements, 0);
 500                 vector<deInt32>                         expectedInts    (numElements, 0);
 501
 502                 specializations["OPCODE"]       = cases[caseNdx].opCode;
 503                 spec.assembly                           = shaderTemplate.specialize(specializations);
 504
 505                 fillRandomScalars(rnd, 1.f, 100.f, &inputFloats1[0], numElements);
 506                 for (size_t ndx = 0; ndx < numElements; ++ndx)
 507                 {
 508                         switch (ndx % 6)
 509                         {
 510                                 case 0:         inputFloats2[ndx] = inputFloats1[ndx] + 1.0f; break;
 511                                 case 1:         inputFloats2[ndx] = inputFloats1[ndx] - 1.0f; break;
 512                                 case 2:         inputFloats2[ndx] = inputFloats1[ndx]; break;
 513                                 case 3:         inputFloats2[ndx] = NaN; break;
 514                                 case 4:         inputFloats2[ndx] = inputFloats1[ndx];  inputFloats1[ndx] = NaN; break;
 515                                 case 5:         inputFloats2[ndx] = NaN;                                inputFloats1[ndx] = NaN; break;
 516                         }
 517                         expectedInts[ndx] = tcu::Float32(inputFloats1[ndx]).isNaN() || tcu::Float32(inputFloats2[ndx]).isNaN() || cases[caseNdx].compareFunc(inputFloats1[ndx], inputFloats2[ndx]);
 518                 }
 519
 520                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 521                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 522                 spec.outputs.push_back(BufferSp(new Int32Buffer(expectedInts)));
 523                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 524                 spec.verifyIO = &compareFUnord;
 525                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 526         }
 527
 528         return group.release();
 529 }
 530
 531 struct OpAtomicCase
 532 {
 533         const char*             name;
 534         const char*             assembly;
 535         const char*             retValAssembly;
 536         OpAtomicType    opAtomic;
 537         deInt32                 numOutputElements;
 538
 539                                         OpAtomicCase(const char* _name, const char* _assembly, const char* _retValAssembly, OpAtomicType _opAtomic, deInt32 _numOutputElements)
 540                                                 : name                          (_name)
 541                                                 , assembly                      (_assembly)
 542                                                 , retValAssembly        (_retValAssembly)
 543                                                 , opAtomic                      (_opAtomic)
 544                                                 , numOutputElements     (_numOutputElements) {}
 545 };
 546
 547 tcu::TestCaseGroup* createOpAtomicGroup (tcu::TestContext& testCtx, bool useStorageBuffer, int numElements = 65535, bool verifyReturnValues = false)
 548 {
 549         std::string                                             groupName                       ("opatomic");
 550         if (useStorageBuffer)
 551                 groupName += "_storage_buffer";
 552         if (verifyReturnValues)
 553                 groupName += "_return_values";
 554         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, groupName.c_str(), "Test the OpAtomic* opcodes"));
 555         vector<OpAtomicCase>                    cases;
 556
 557         const StringTemplate                    shaderTemplate  (
 558
 559                 string("OpCapability Shader\n") +
 560                 (useStorageBuffer ? "OpExtension \"SPV_KHR_storage_buffer_storage_class\"\n" : "") +
 561                 "OpMemoryModel Logical GLSL450\n"
 562                 "OpEntryPoint GLCompute %main \"main\" %id\n"
 563                 "OpExecutionMode %main LocalSize 1 1 1\n" +
 564
 565                 "OpSource GLSL 430\n"
 566                 "OpName %main           \"main\"\n"
 567                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 568
 569                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 570
 571                 "OpDecorate %buf ${BLOCK_DECORATION}\n"
 572                 "OpDecorate %indata DescriptorSet 0\n"
 573                 "OpDecorate %indata Binding 0\n"
 574                 "OpDecorate %i32arr ArrayStride 4\n"
 575                 "OpMemberDecorate %buf 0 Offset 0\n"
 576
 577                 "OpDecorate %sumbuf ${BLOCK_DECORATION}\n"
 578                 "OpDecorate %sum DescriptorSet 0\n"
 579                 "OpDecorate %sum Binding 1\n"
 580                 "OpMemberDecorate %sumbuf 0 Coherent\n"
 581                 "OpMemberDecorate %sumbuf 0 Offset 0\n"
 582
 583                 "${RETVAL_BUF_DECORATE}"
 584
 585                 + getComputeAsmCommonTypes("${BLOCK_POINTER_TYPE}") +
 586
 587                 "%buf       = OpTypeStruct %i32arr\n"
 588                 "%bufptr    = OpTypePointer ${BLOCK_POINTER_TYPE} %buf\n"
 589                 "%indata    = OpVariable %bufptr ${BLOCK_POINTER_TYPE}\n"
 590
 591                 "%sumbuf    = OpTypeStruct %i32arr\n"
 592                 "%sumbufptr = OpTypePointer ${BLOCK_POINTER_TYPE} %sumbuf\n"
 593                 "%sum       = OpVariable %sumbufptr ${BLOCK_POINTER_TYPE}\n"
 594
 595                 "${RETVAL_BUF_DECL}"
 596
 597                 "%id        = OpVariable %uvec3ptr Input\n"
 598                 "%minusone  = OpConstant %i32 -1\n"
 599                 "%zero      = OpConstant %i32 0\n"
 600                 "%one       = OpConstant %u32 1\n"
 601                 "%two       = OpConstant %i32 2\n"
 602
 603                 "%main      = OpFunction %void None %voidf\n"
 604                 "%label     = OpLabel\n"
 605                 "%idval     = OpLoad %uvec3 %id\n"
 606                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 607
 608                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
 609                 "%inval     = OpLoad %i32 %inloc\n"
 610
 611                 "%outloc    = OpAccessChain %i32ptr %sum %zero ${INDEX}\n"
 612                 "${INSTRUCTION}"
 613                 "${RETVAL_ASSEMBLY}"
 614
 615                 "             OpReturn\n"
 616                 "             OpFunctionEnd\n");
 617
 618         #define ADD_OPATOMIC_CASE(NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC, NUM_OUTPUT_ELEMENTS) \
 619         do { \
 620                 DE_ASSERT((NUM_OUTPUT_ELEMENTS) == 1 || (NUM_OUTPUT_ELEMENTS) == numElements); \
 621                 cases.push_back(OpAtomicCase(#NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC, NUM_OUTPUT_ELEMENTS)); \
 622         } while (deGetFalse())
 623         #define ADD_OPATOMIC_CASE_1(NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC, 1)
 624         #define ADD_OPATOMIC_CASE_N(NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, RETVAL_ASSEMBLY, OPATOMIC, numElements)
 625
 626         ADD_OPATOMIC_CASE_1(iadd,       "%retv      = OpAtomicIAdd %i32 %outloc %one %zero %inval\n",
 627                                                                 "             OpStore %retloc %retv\n", OPATOMIC_IADD );
 628         ADD_OPATOMIC_CASE_1(isub,       "%retv      = OpAtomicISub %i32 %outloc %one %zero %inval\n",
 629                                                                 "             OpStore %retloc %retv\n", OPATOMIC_ISUB );
 630         ADD_OPATOMIC_CASE_1(iinc,       "%retv      = OpAtomicIIncrement %i32 %outloc %one %zero\n",
 631                                                                 "             OpStore %retloc %retv\n", OPATOMIC_IINC );
 632         ADD_OPATOMIC_CASE_1(idec,       "%retv      = OpAtomicIDecrement %i32 %outloc %one %zero\n",
 633                                                                 "             OpStore %retloc %retv\n", OPATOMIC_IDEC );
 634         if (!verifyReturnValues)
 635         {
 636                 ADD_OPATOMIC_CASE_N(load,       "%inval2    = OpAtomicLoad %i32 %inloc %one %zero\n"
 637                                                                         "             OpStore %outloc %inval2\n", "", OPATOMIC_LOAD );
 638                 ADD_OPATOMIC_CASE_N(store,      "             OpAtomicStore %outloc %one %zero %inval\n", "", OPATOMIC_STORE );
 639         }
 640
 641         ADD_OPATOMIC_CASE_N(compex, "%even      = OpSMod %i32 %inval %two\n"
 642                                                                 "             OpStore %outloc %even\n"
 643                                                                 "%retv      = OpAtomicCompareExchange %i32 %outloc %one %zero %zero %minusone %zero\n",
 644                                                                 "                         OpStore %retloc %retv\n", OPATOMIC_COMPEX );
 645
 646
 647         #undef ADD_OPATOMIC_CASE
 648         #undef ADD_OPATOMIC_CASE_1
 649         #undef ADD_OPATOMIC_CASE_N
 650
 651         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 652         {
 653                 map<string, string>                     specializations;
 654                 ComputeShaderSpec                       spec;
 655                 vector<deInt32>                         inputInts               (numElements, 0);
 656                 vector<deInt32>                         expected                (cases[caseNdx].numOutputElements, -1);
 657
 658                 specializations["INDEX"]                                = (cases[caseNdx].numOutputElements == 1) ? "%zero" : "%x";
 659                 specializations["INSTRUCTION"]                  = cases[caseNdx].assembly;
 660                 specializations["BLOCK_DECORATION"]             = useStorageBuffer ? "Block" : "BufferBlock";
 661                 specializations["BLOCK_POINTER_TYPE"]   = useStorageBuffer ? "StorageBuffer" : "Uniform";
 662
 663                 if (verifyReturnValues)
 664                 {
 665                         const StringTemplate blockDecoration    (
 666                                 "\n"
 667                                 "OpDecorate %retbuf ${BLOCK_DECORATION}\n"
 668                                 "OpDecorate %ret DescriptorSet 0\n"
 669                                 "OpDecorate %ret Binding 2\n"
 670                                 "OpMemberDecorate %retbuf 0 Offset 0\n\n");
 671
 672                         const StringTemplate blockDeclaration   (
 673                                 "\n"
 674                                 "%retbuf    = OpTypeStruct %i32arr\n"
 675                                 "%retbufptr = OpTypePointer ${BLOCK_POINTER_TYPE} %retbuf\n"
 676                                 "%ret       = OpVariable %retbufptr ${BLOCK_POINTER_TYPE}\n\n");
 677
 678                         specializations["RETVAL_ASSEMBLY"] =
 679                                 "%retloc    = OpAccessChain %i32ptr %ret %zero %x\n"
 680                                 + std::string(cases[caseNdx].retValAssembly);
 681
 682                         specializations["RETVAL_BUF_DECORATE"]  = blockDecoration.specialize(specializations);
 683                         specializations["RETVAL_BUF_DECL"]              = blockDeclaration.specialize(specializations);
 684                 }
 685                 else
 686                 {
 687                         specializations["RETVAL_ASSEMBLY"]              = "";
 688                         specializations["RETVAL_BUF_DECORATE"]  = "";
 689                         specializations["RETVAL_BUF_DECL"]              = "";
 690                 }
 691
 692                 spec.assembly                                                   = shaderTemplate.specialize(specializations);
 693
 694                 if (useStorageBuffer)
 695                         spec.extensions.push_back("VK_KHR_storage_buffer_storage_class");
 696
 697                 spec.inputs.push_back(BufferSp(new OpAtomicBuffer(numElements, cases[caseNdx].numOutputElements, cases[caseNdx].opAtomic, BUFFERTYPE_INPUT)));
 698                 spec.outputs.push_back(BufferSp(new OpAtomicBuffer(numElements, cases[caseNdx].numOutputElements, cases[caseNdx].opAtomic, BUFFERTYPE_EXPECTED)));
 699                 if (verifyReturnValues)
 700                         spec.outputs.push_back(BufferSp(new OpAtomicBuffer(numElements, cases[caseNdx].numOutputElements, cases[caseNdx].opAtomic, BUFFERTYPE_ATOMIC_RET)));
 701                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 702
 703                 if (verifyReturnValues)
 704                 {
 705                         switch (cases[caseNdx].opAtomic)
 706                         {
 707                                 case OPATOMIC_IADD:
 708                                         spec.verifyIO = OpAtomicBuffer::compareWithRetvals<OPATOMIC_IADD>;
 709                                         break;
 710                                 case OPATOMIC_ISUB:
 711                                         spec.verifyIO = OpAtomicBuffer::compareWithRetvals<OPATOMIC_ISUB>;
 712                                         break;
 713                                 case OPATOMIC_IINC:
 714                                         spec.verifyIO = OpAtomicBuffer::compareWithRetvals<OPATOMIC_IINC>;
 715                                         break;
 716                                 case OPATOMIC_IDEC:
 717                                         spec.verifyIO = OpAtomicBuffer::compareWithRetvals<OPATOMIC_IDEC>;
 718                                         break;
 719                                 case OPATOMIC_COMPEX:
 720                                         spec.verifyIO = OpAtomicBuffer::compareWithRetvals<OPATOMIC_COMPEX>;
 721                                         break;
 722                                 default:
 723                                         DE_FATAL("Unsupported OpAtomic type for return value verification");
 724                         }
 725                 }
 726                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 727         }
 728
 729         return group.release();
 730 }
 731
 732 tcu::TestCaseGroup* createOpLineGroup (tcu::TestContext& testCtx)
 733 {
 734         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opline", "Test the OpLine instruction"));
 735         ComputeShaderSpec                               spec;
 736         de::Random                                              rnd                             (deStringHash(group->getName()));
 737         const int                                               numElements             = 100;
 738         vector<float>                                   positiveFloats  (numElements, 0);
 739         vector<float>                                   negativeFloats  (numElements, 0);
 740
 741         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 742
 743         for (size_t ndx = 0; ndx < numElements; ++ndx)
 744                 negativeFloats[ndx] = -positiveFloats[ndx];
 745
 746         spec.assembly =
 747                 string(getComputeAsmShaderPreamble()) +
 748
 749                 "%fname1 = OpString \"negateInputs.comp\"\n"
 750                 "%fname2 = OpString \"negateInputs\"\n"
 751
 752                 "OpSource GLSL 430\n"
 753                 "OpName %main           \"main\"\n"
 754                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 755
 756                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 757
 758                 + string(getComputeAsmInputOutputBufferTraits()) +
 759
 760                 "OpLine %fname1 0 0\n" // At the earliest possible position
 761
 762                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 763
 764                 "OpLine %fname1 0 1\n" // Multiple OpLines in sequence
 765                 "OpLine %fname2 1 0\n" // Different filenames
 766                 "OpLine %fname1 1000 100000\n"
 767
 768                 "%id        = OpVariable %uvec3ptr Input\n"
 769                 "%zero      = OpConstant %i32 0\n"
 770
 771                 "OpLine %fname1 1 1\n" // Before a function
 772
 773                 "%main      = OpFunction %void None %voidf\n"
 774                 "%label     = OpLabel\n"
 775
 776                 "OpLine %fname1 1 1\n" // In a function
 777
 778                 "%idval     = OpLoad %uvec3 %id\n"
 779                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 780                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 781                 "%inval     = OpLoad %f32 %inloc\n"
 782                 "%neg       = OpFNegate %f32 %inval\n"
 783                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 784                 "             OpStore %outloc %neg\n"
 785                 "             OpReturn\n"
 786                 "             OpFunctionEnd\n";
 787         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 788         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 789         spec.numWorkGroups = IVec3(numElements, 1, 1);
 790
 791         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpLine appearing at different places", spec));
 792
 793         return group.release();
 794 }
 795
 796 bool veryfiBinaryShader (const ProgramBinary& binary)
 797 {
 798         const size_t    paternCount                     = 3u;
 799         bool paternsCheck[paternCount]          =
 800         {
 801                 false, false, false
 802         };
 803         const string patersns[paternCount]      =
 804         {
 805                 "VULKAN CTS",
 806                 "Negative values",
 807                 "Date: 2017/09/21"
 808         };
 809         size_t                  paternNdx               = 0u;
 810
 811         for (size_t ndx = 0u; ndx < binary.getSize(); ++ndx)
 812         {
 813                 if (false == paternsCheck[paternNdx] &&
 814                         patersns[paternNdx][0] == static_cast<char>(binary.getBinary()[ndx]) &&
 815                         deMemoryEqual((const char*)&binary.getBinary()[ndx], &patersns[paternNdx][0], patersns[paternNdx].length()))
 816                 {
 817                         paternsCheck[paternNdx]= true;
 818                         paternNdx++;
 819                         if (paternNdx == paternCount)
 820                                 break;
 821                 }
 822         }
 823
 824         for (size_t ndx = 0u; ndx < paternCount; ++ndx)
 825         {
 826                 if (!paternsCheck[ndx])
 827                         return false;
 828         }
 829
 830         return true;
 831 }
 832
 833 tcu::TestCaseGroup* createOpModuleProcessedGroup (tcu::TestContext& testCtx)
 834 {
 835         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opmoduleprocessed", "Test the OpModuleProcessed instruction"));
 836         ComputeShaderSpec                               spec;
 837         de::Random                                              rnd                             (deStringHash(group->getName()));
 838         const int                                               numElements             = 10;
 839         vector<float>                                   positiveFloats  (numElements, 0);
 840         vector<float>                                   negativeFloats  (numElements, 0);
 841
 842         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 843
 844         for (size_t ndx = 0; ndx < numElements; ++ndx)
 845                 negativeFloats[ndx] = -positiveFloats[ndx];
 846
 847         spec.assembly =
 848                 string(getComputeAsmShaderPreamble()) +
 849                 "%fname = OpString \"negateInputs.comp\"\n"
 850
 851                 "OpSource GLSL 430\n"
 852                 "OpName %main           \"main\"\n"
 853                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 854                 "OpModuleProcessed \"VULKAN CTS\"\n"                                    //OpModuleProcessed;
 855                 "OpModuleProcessed \"Negative values\"\n"
 856                 "OpModuleProcessed \"Date: 2017/09/21\"\n"
 857                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 858
 859                 + string(getComputeAsmInputOutputBufferTraits())
 860
 861                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 862
 863                 "OpLine %fname 0 1\n"
 864
 865                 "OpLine %fname 1000 1\n"
 866
 867                 "%id        = OpVariable %uvec3ptr Input\n"
 868                 "%zero      = OpConstant %i32 0\n"
 869                 "%main      = OpFunction %void None %voidf\n"
 870
 871                 "%label     = OpLabel\n"
 872                 "%idval     = OpLoad %uvec3 %id\n"
 873                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 874
 875                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 876                 "%inval     = OpLoad %f32 %inloc\n"
 877                 "%neg       = OpFNegate %f32 %inval\n"
 878                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 879                 "             OpStore %outloc %neg\n"
 880                 "             OpReturn\n"
 881                 "             OpFunctionEnd\n";
 882         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 883         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 884         spec.numWorkGroups = IVec3(numElements, 1, 1);
 885         spec.verifyBinary = veryfiBinaryShader;
 886         spec.spirvVersion = SPIRV_VERSION_1_3;
 887
 888         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpModuleProcessed Tests", spec));
 889
 890         return group.release();
 891 }
 892
 893 tcu::TestCaseGroup* createOpNoLineGroup (tcu::TestContext& testCtx)
 894 {
 895         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnoline", "Test the OpNoLine instruction"));
 896         ComputeShaderSpec                               spec;
 897         de::Random                                              rnd                             (deStringHash(group->getName()));
 898         const int                                               numElements             = 100;
 899         vector<float>                                   positiveFloats  (numElements, 0);
 900         vector<float>                                   negativeFloats  (numElements, 0);
 901
 902         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 903
 904         for (size_t ndx = 0; ndx < numElements; ++ndx)
 905                 negativeFloats[ndx] = -positiveFloats[ndx];
 906
 907         spec.assembly =
 908                 string(getComputeAsmShaderPreamble()) +
 909
 910                 "%fname = OpString \"negateInputs.comp\"\n"
 911
 912                 "OpSource GLSL 430\n"
 913                 "OpName %main           \"main\"\n"
 914                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 915
 916                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 917
 918                 + string(getComputeAsmInputOutputBufferTraits()) +
 919
 920                 "OpNoLine\n" // At the earliest possible position, without preceding OpLine
 921
 922                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 923
 924                 "OpLine %fname 0 1\n"
 925                 "OpNoLine\n" // Immediately following a preceding OpLine
 926
 927                 "OpLine %fname 1000 1\n"
 928
 929                 "%id        = OpVariable %uvec3ptr Input\n"
 930                 "%zero      = OpConstant %i32 0\n"
 931
 932                 "OpNoLine\n" // Contents after the previous OpLine
 933
 934                 "%main      = OpFunction %void None %voidf\n"
 935                 "%label     = OpLabel\n"
 936                 "%idval     = OpLoad %uvec3 %id\n"
 937                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 938
 939                 "OpNoLine\n" // Multiple OpNoLine
 940                 "OpNoLine\n"
 941                 "OpNoLine\n"
 942
 943                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 944                 "%inval     = OpLoad %f32 %inloc\n"
 945                 "%neg       = OpFNegate %f32 %inval\n"
 946                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 947                 "             OpStore %outloc %neg\n"
 948                 "             OpReturn\n"
 949                 "             OpFunctionEnd\n";
 950         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 951         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 952         spec.numWorkGroups = IVec3(numElements, 1, 1);
 953
 954         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNoLine appearing at different places", spec));
 955
 956         return group.release();
 957 }
 958
 959 // Compare instruction for the contraction compute case.
 960 // Returns true if the output is what is expected from the test case.
 961 bool compareNoContractCase(const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
 962 {
 963         if (outputAllocs.size() != 1)
 964                 return false;
 965
 966         // Only size is needed because we are not comparing the exact values.
 967         size_t byteSize = expectedOutputs[0].getByteSize();
 968
 969         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
 970
 971         for(size_t i = 0; i < byteSize / sizeof(float); ++i) {
 972                 if (outputAsFloat[i] != 0.f &&
 973                         outputAsFloat[i] != -ldexp(1, -24)) {
 974                         return false;
 975                 }
 976         }
 977
 978         return true;
 979 }
 980
 981 tcu::TestCaseGroup* createNoContractionGroup (tcu::TestContext& testCtx)
 982 {
 983         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
 984         vector<CaseParameter>                   cases;
 985         const int                                               numElements             = 100;
 986         vector<float>                                   inputFloats1    (numElements, 0);
 987         vector<float>                                   inputFloats2    (numElements, 0);
 988         vector<float>                                   outputFloats    (numElements, 0);
 989         const StringTemplate                    shaderTemplate  (
 990                 string(getComputeAsmShaderPreamble()) +
 991
 992                 "OpName %main           \"main\"\n"
 993                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 994
 995                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 996
 997                 "${DECORATION}\n"
 998
 999                 "OpDecorate %buf BufferBlock\n"
1000                 "OpDecorate %indata1 DescriptorSet 0\n"
1001                 "OpDecorate %indata1 Binding 0\n"
1002                 "OpDecorate %indata2 DescriptorSet 0\n"
1003                 "OpDecorate %indata2 Binding 1\n"
1004                 "OpDecorate %outdata DescriptorSet 0\n"
1005                 "OpDecorate %outdata Binding 2\n"
1006                 "OpDecorate %f32arr ArrayStride 4\n"
1007                 "OpMemberDecorate %buf 0 Offset 0\n"
1008
1009                 + string(getComputeAsmCommonTypes()) +
1010
1011                 "%buf        = OpTypeStruct %f32arr\n"
1012                 "%bufptr     = OpTypePointer Uniform %buf\n"
1013                 "%indata1    = OpVariable %bufptr Uniform\n"
1014                 "%indata2    = OpVariable %bufptr Uniform\n"
1015                 "%outdata    = OpVariable %bufptr Uniform\n"
1016
1017                 "%id         = OpVariable %uvec3ptr Input\n"
1018                 "%zero       = OpConstant %i32 0\n"
1019                 "%c_f_m1     = OpConstant %f32 -1.\n"
1020
1021                 "%main       = OpFunction %void None %voidf\n"
1022                 "%label      = OpLabel\n"
1023                 "%idval      = OpLoad %uvec3 %id\n"
1024                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1025                 "%inloc1     = OpAccessChain %f32ptr %indata1 %zero %x\n"
1026                 "%inval1     = OpLoad %f32 %inloc1\n"
1027                 "%inloc2     = OpAccessChain %f32ptr %indata2 %zero %x\n"
1028                 "%inval2     = OpLoad %f32 %inloc2\n"
1029                 "%mul        = OpFMul %f32 %inval1 %inval2\n"
1030                 "%add        = OpFAdd %f32 %mul %c_f_m1\n"
1031                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
1032                 "              OpStore %outloc %add\n"
1033                 "              OpReturn\n"
1034                 "              OpFunctionEnd\n");
1035
1036         cases.push_back(CaseParameter("multiplication", "OpDecorate %mul NoContraction"));
1037         cases.push_back(CaseParameter("addition",               "OpDecorate %add NoContraction"));
1038         cases.push_back(CaseParameter("both",                   "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"));
1039
1040         for (size_t ndx = 0; ndx < numElements; ++ndx)
1041         {
1042                 inputFloats1[ndx]       = 1.f + std::ldexp(1.f, -23); // 1 + 2^-23.
1043                 inputFloats2[ndx]       = 1.f - std::ldexp(1.f, -23); // 1 - 2^-23.
1044                 // Result for (1 + 2^-23) * (1 - 2^-23) - 1. With NoContraction, the multiplication will be
1045                 // conducted separately and the result is rounded to 1, or 0x1.fffffcp-1
1046                 // So the final result will be 0.f or 0x1p-24.
1047                 // If the operation is combined into a precise fused multiply-add, then the result would be
1048                 // 2^-46 (0xa8800000).
1049                 outputFloats[ndx]       = 0.f;
1050         }
1051
1052         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
1053         {
1054                 map<string, string>             specializations;
1055                 ComputeShaderSpec               spec;
1056
1057                 specializations["DECORATION"] = cases[caseNdx].param;
1058                 spec.assembly = shaderTemplate.specialize(specializations);
1059                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1060                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1061                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1062                 spec.numWorkGroups = IVec3(numElements, 1, 1);
1063                 // Check against the two possible answers based on rounding mode.
1064                 spec.verifyIO = &compareNoContractCase;
1065
1066                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
1067         }
1068         return group.release();
1069 }
1070
1071 bool compareFRem(const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
1072 {
1073         if (outputAllocs.size() != 1)
1074                 return false;
1075
1076         vector<deUint8> expectedBytes;
1077         expectedOutputs[0].getBytes(expectedBytes);
1078
1079         const float*    expectedOutputAsFloat   = reinterpret_cast<const float*>(&expectedBytes.front());
1080         const float*    outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1081
1082         for (size_t idx = 0; idx < expectedBytes.size() / sizeof(float); ++idx)
1083         {
1084                 const float f0 = expectedOutputAsFloat[idx];
1085                 const float f1 = outputAsFloat[idx];
1086                 // \todo relative error needs to be fairly high because FRem may be implemented as
1087                 // (roughly) frac(a/b)*b, so LSB errors can be magnified. But this should be fine for now.
1088                 if (deFloatAbs((f1 - f0) / f0) > 0.02)
1089                         return false;
1090         }
1091
1092         return true;
1093 }
1094
1095 tcu::TestCaseGroup* createOpFRemGroup (tcu::TestContext& testCtx)
1096 {
1097         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfrem", "Test the OpFRem instruction"));
1098         ComputeShaderSpec                               spec;
1099         de::Random                                              rnd                             (deStringHash(group->getName()));
1100         const int                                               numElements             = 200;
1101         vector<float>                                   inputFloats1    (numElements, 0);
1102         vector<float>                                   inputFloats2    (numElements, 0);
1103         vector<float>                                   outputFloats    (numElements, 0);
1104
1105         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1106         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats2[0], numElements);
1107
1108         for (size_t ndx = 0; ndx < numElements; ++ndx)
1109         {
1110                 // Guard against divisors near zero.
1111                 if (std::fabs(inputFloats2[ndx]) < 1e-3)
1112                         inputFloats2[ndx] = 8.f;
1113
1114                 // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
1115                 outputFloats[ndx] = std::fmod(inputFloats1[ndx], inputFloats2[ndx]);
1116         }
1117
1118         spec.assembly =
1119                 string(getComputeAsmShaderPreamble()) +
1120
1121                 "OpName %main           \"main\"\n"
1122                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1123
1124                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1125
1126                 "OpDecorate %buf BufferBlock\n"
1127                 "OpDecorate %indata1 DescriptorSet 0\n"
1128                 "OpDecorate %indata1 Binding 0\n"
1129                 "OpDecorate %indata2 DescriptorSet 0\n"
1130                 "OpDecorate %indata2 Binding 1\n"
1131                 "OpDecorate %outdata DescriptorSet 0\n"
1132                 "OpDecorate %outdata Binding 2\n"
1133                 "OpDecorate %f32arr ArrayStride 4\n"
1134                 "OpMemberDecorate %buf 0 Offset 0\n"
1135
1136                 + string(getComputeAsmCommonTypes()) +
1137
1138                 "%buf        = OpTypeStruct %f32arr\n"
1139                 "%bufptr     = OpTypePointer Uniform %buf\n"
1140                 "%indata1    = OpVariable %bufptr Uniform\n"
1141                 "%indata2    = OpVariable %bufptr Uniform\n"
1142                 "%outdata    = OpVariable %bufptr Uniform\n"
1143
1144                 "%id        = OpVariable %uvec3ptr Input\n"
1145                 "%zero      = OpConstant %i32 0\n"
1146
1147                 "%main      = OpFunction %void None %voidf\n"
1148                 "%label     = OpLabel\n"
1149                 "%idval     = OpLoad %uvec3 %id\n"
1150                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1151                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1152                 "%inval1    = OpLoad %f32 %inloc1\n"
1153                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1154                 "%inval2    = OpLoad %f32 %inloc2\n"
1155                 "%rem       = OpFRem %f32 %inval1 %inval2\n"
1156                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1157                 "             OpStore %outloc %rem\n"
1158                 "             OpReturn\n"
1159                 "             OpFunctionEnd\n";
1160
1161         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1162         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1163         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1164         spec.numWorkGroups = IVec3(numElements, 1, 1);
1165         spec.verifyIO = &compareFRem;
1166
1167         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1168
1169         return group.release();
1170 }
1171
1172 bool compareNMin (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
1173 {
1174         if (outputAllocs.size() != 1)
1175                 return false;
1176
1177         const BufferSp&                 expectedOutput                  (expectedOutputs[0].getBuffer());
1178         std::vector<deUint8>    data;
1179         expectedOutput->getBytes(data);
1180
1181         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
1182         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1183
1184         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float); ++idx)
1185         {
1186                 const float f0 = expectedOutputAsFloat[idx];
1187                 const float f1 = outputAsFloat[idx];
1188
1189                 // For NMin, we accept NaN as output if both inputs were NaN.
1190                 // Otherwise the NaN is the wrong choise, as on architectures that
1191                 // do not handle NaN, those are huge values.
1192                 if (!(tcu::Float32(f1).isNaN() && tcu::Float32(f0).isNaN()) && deFloatAbs(f1 - f0) > 0.00001f)
1193                         return false;
1194         }
1195
1196         return true;
1197 }
1198
1199 tcu::TestCaseGroup* createOpNMinGroup (tcu::TestContext& testCtx)
1200 {
1201         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnmin", "Test the OpNMin instruction"));
1202         ComputeShaderSpec                               spec;
1203         de::Random                                              rnd                             (deStringHash(group->getName()));
1204         const int                                               numElements             = 200;
1205         vector<float>                                   inputFloats1    (numElements, 0);
1206         vector<float>                                   inputFloats2    (numElements, 0);
1207         vector<float>                                   outputFloats    (numElements, 0);
1208
1209         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1210         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1211
1212         // Make the first case a full-NAN case.
1213         inputFloats1[0] = TCU_NAN;
1214         inputFloats2[0] = TCU_NAN;
1215
1216         for (size_t ndx = 0; ndx < numElements; ++ndx)
1217         {
1218                 // By default, pick the smallest
1219                 outputFloats[ndx] = std::min(inputFloats1[ndx], inputFloats2[ndx]);
1220
1221                 // Make half of the cases NaN cases
1222                 if ((ndx & 1) == 0)
1223                 {
1224                         // Alternate between the NaN operand
1225                         if ((ndx & 2) == 0)
1226                         {
1227                                 outputFloats[ndx] = inputFloats2[ndx];
1228                                 inputFloats1[ndx] = TCU_NAN;
1229                         }
1230                         else
1231                         {
1232                                 outputFloats[ndx] = inputFloats1[ndx];
1233                                 inputFloats2[ndx] = TCU_NAN;
1234                         }
1235                 }
1236         }
1237
1238         spec.assembly =
1239                 "OpCapability Shader\n"
1240                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1241                 "OpMemoryModel Logical GLSL450\n"
1242                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1243                 "OpExecutionMode %main LocalSize 1 1 1\n"
1244
1245                 "OpName %main           \"main\"\n"
1246                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1247
1248                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1249
1250                 "OpDecorate %buf BufferBlock\n"
1251                 "OpDecorate %indata1 DescriptorSet 0\n"
1252                 "OpDecorate %indata1 Binding 0\n"
1253                 "OpDecorate %indata2 DescriptorSet 0\n"
1254                 "OpDecorate %indata2 Binding 1\n"
1255                 "OpDecorate %outdata DescriptorSet 0\n"
1256                 "OpDecorate %outdata Binding 2\n"
1257                 "OpDecorate %f32arr ArrayStride 4\n"
1258                 "OpMemberDecorate %buf 0 Offset 0\n"
1259
1260                 + string(getComputeAsmCommonTypes()) +
1261
1262                 "%buf        = OpTypeStruct %f32arr\n"
1263                 "%bufptr     = OpTypePointer Uniform %buf\n"
1264                 "%indata1    = OpVariable %bufptr Uniform\n"
1265                 "%indata2    = OpVariable %bufptr Uniform\n"
1266                 "%outdata    = OpVariable %bufptr Uniform\n"
1267
1268                 "%id        = OpVariable %uvec3ptr Input\n"
1269                 "%zero      = OpConstant %i32 0\n"
1270
1271                 "%main      = OpFunction %void None %voidf\n"
1272                 "%label     = OpLabel\n"
1273                 "%idval     = OpLoad %uvec3 %id\n"
1274                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1275                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1276                 "%inval1    = OpLoad %f32 %inloc1\n"
1277                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1278                 "%inval2    = OpLoad %f32 %inloc2\n"
1279                 "%rem       = OpExtInst %f32 %std450 NMin %inval1 %inval2\n"
1280                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1281                 "             OpStore %outloc %rem\n"
1282                 "             OpReturn\n"
1283                 "             OpFunctionEnd\n";
1284
1285         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1286         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1287         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1288         spec.numWorkGroups = IVec3(numElements, 1, 1);
1289         spec.verifyIO = &compareNMin;
1290
1291         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1292
1293         return group.release();
1294 }
1295
1296 bool compareNMax (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
1297 {
1298         if (outputAllocs.size() != 1)
1299                 return false;
1300
1301         const BufferSp&                 expectedOutput                  = expectedOutputs[0].getBuffer();
1302         std::vector<deUint8>    data;
1303         expectedOutput->getBytes(data);
1304
1305         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
1306         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1307
1308         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float); ++idx)
1309         {
1310                 const float f0 = expectedOutputAsFloat[idx];
1311                 const float f1 = outputAsFloat[idx];
1312
1313                 // For NMax, NaN is considered acceptable result, since in
1314                 // architectures that do not handle NaNs, those are huge values.
1315                 if (!tcu::Float32(f1).isNaN() && deFloatAbs(f1 - f0) > 0.00001f)
1316                         return false;
1317         }
1318
1319         return true;
1320 }
1321
1322 tcu::TestCaseGroup* createOpNMaxGroup (tcu::TestContext& testCtx)
1323 {
1324         de::MovePtr<tcu::TestCaseGroup> group(new tcu::TestCaseGroup(testCtx, "opnmax", "Test the OpNMax instruction"));
1325         ComputeShaderSpec                               spec;
1326         de::Random                                              rnd                             (deStringHash(group->getName()));
1327         const int                                               numElements             = 200;
1328         vector<float>                                   inputFloats1    (numElements, 0);
1329         vector<float>                                   inputFloats2    (numElements, 0);
1330         vector<float>                                   outputFloats    (numElements, 0);
1331
1332         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1333         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1334
1335         // Make the first case a full-NAN case.
1336         inputFloats1[0] = TCU_NAN;
1337         inputFloats2[0] = TCU_NAN;
1338
1339         for (size_t ndx = 0; ndx < numElements; ++ndx)
1340         {
1341                 // By default, pick the biggest
1342                 outputFloats[ndx] = std::max(inputFloats1[ndx], inputFloats2[ndx]);
1343
1344                 // Make half of the cases NaN cases
1345                 if ((ndx & 1) == 0)
1346                 {
1347                         // Alternate between the NaN operand
1348                         if ((ndx & 2) == 0)
1349                         {
1350                                 outputFloats[ndx] = inputFloats2[ndx];
1351                                 inputFloats1[ndx] = TCU_NAN;
1352                         }
1353                         else
1354                         {
1355                                 outputFloats[ndx] = inputFloats1[ndx];
1356                                 inputFloats2[ndx] = TCU_NAN;
1357                         }
1358                 }
1359         }
1360
1361         spec.assembly =
1362                 "OpCapability Shader\n"
1363                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1364                 "OpMemoryModel Logical GLSL450\n"
1365                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1366                 "OpExecutionMode %main LocalSize 1 1 1\n"
1367
1368                 "OpName %main           \"main\"\n"
1369                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1370
1371                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1372
1373                 "OpDecorate %buf BufferBlock\n"
1374                 "OpDecorate %indata1 DescriptorSet 0\n"
1375                 "OpDecorate %indata1 Binding 0\n"
1376                 "OpDecorate %indata2 DescriptorSet 0\n"
1377                 "OpDecorate %indata2 Binding 1\n"
1378                 "OpDecorate %outdata DescriptorSet 0\n"
1379                 "OpDecorate %outdata Binding 2\n"
1380                 "OpDecorate %f32arr ArrayStride 4\n"
1381                 "OpMemberDecorate %buf 0 Offset 0\n"
1382
1383                 + string(getComputeAsmCommonTypes()) +
1384
1385                 "%buf        = OpTypeStruct %f32arr\n"
1386                 "%bufptr     = OpTypePointer Uniform %buf\n"
1387                 "%indata1    = OpVariable %bufptr Uniform\n"
1388                 "%indata2    = OpVariable %bufptr Uniform\n"
1389                 "%outdata    = OpVariable %bufptr Uniform\n"
1390
1391                 "%id        = OpVariable %uvec3ptr Input\n"
1392                 "%zero      = OpConstant %i32 0\n"
1393
1394                 "%main      = OpFunction %void None %voidf\n"
1395                 "%label     = OpLabel\n"
1396                 "%idval     = OpLoad %uvec3 %id\n"
1397                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1398                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1399                 "%inval1    = OpLoad %f32 %inloc1\n"
1400                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1401                 "%inval2    = OpLoad %f32 %inloc2\n"
1402                 "%rem       = OpExtInst %f32 %std450 NMax %inval1 %inval2\n"
1403                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1404                 "             OpStore %outloc %rem\n"
1405                 "             OpReturn\n"
1406                 "             OpFunctionEnd\n";
1407
1408         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1409         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1410         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1411         spec.numWorkGroups = IVec3(numElements, 1, 1);
1412         spec.verifyIO = &compareNMax;
1413
1414         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1415
1416         return group.release();
1417 }
1418
1419 bool compareNClamp (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
1420 {
1421         if (outputAllocs.size() != 1)
1422                 return false;
1423
1424         const BufferSp&                 expectedOutput                  = expectedOutputs[0].getBuffer();
1425         std::vector<deUint8>    data;
1426         expectedOutput->getBytes(data);
1427
1428         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
1429         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1430
1431         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float) / 2; ++idx)
1432         {
1433                 const float e0 = expectedOutputAsFloat[idx * 2];
1434                 const float e1 = expectedOutputAsFloat[idx * 2 + 1];
1435                 const float res = outputAsFloat[idx];
1436
1437                 // For NClamp, we have two possible outcomes based on
1438                 // whether NaNs are handled or not.
1439                 // If either min or max value is NaN, the result is undefined,
1440                 // so this test doesn't stress those. If the clamped value is
1441                 // NaN, and NaNs are handled, the result is min; if NaNs are not
1442                 // handled, they are big values that result in max.
1443                 // If all three parameters are NaN, the result should be NaN.
1444                 if (!((tcu::Float32(e0).isNaN() && tcu::Float32(res).isNaN()) ||
1445                          (deFloatAbs(e0 - res) < 0.00001f) ||
1446                          (deFloatAbs(e1 - res) < 0.00001f)))
1447                         return false;
1448         }
1449
1450         return true;
1451 }
1452
1453 tcu::TestCaseGroup* createOpNClampGroup (tcu::TestContext& testCtx)
1454 {
1455         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnclamp", "Test the OpNClamp instruction"));
1456         ComputeShaderSpec                               spec;
1457         de::Random                                              rnd                             (deStringHash(group->getName()));
1458         const int                                               numElements             = 200;
1459         vector<float>                                   inputFloats1    (numElements, 0);
1460         vector<float>                                   inputFloats2    (numElements, 0);
1461         vector<float>                                   inputFloats3    (numElements, 0);
1462         vector<float>                                   outputFloats    (numElements * 2, 0);
1463
1464         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1465         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1466         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats3[0], numElements);
1467
1468         for (size_t ndx = 0; ndx < numElements; ++ndx)
1469         {
1470                 // Results are only defined if max value is bigger than min value.
1471                 if (inputFloats2[ndx] > inputFloats3[ndx])
1472                 {
1473                         float t = inputFloats2[ndx];
1474                         inputFloats2[ndx] = inputFloats3[ndx];
1475                         inputFloats3[ndx] = t;
1476                 }
1477
1478                 // By default, do the clamp, setting both possible answers
1479                 float defaultRes = std::min(std::max(inputFloats1[ndx], inputFloats2[ndx]), inputFloats3[ndx]);
1480
1481                 float maxResA = std::max(inputFloats1[ndx], inputFloats2[ndx]);
1482                 float maxResB = maxResA;
1483
1484                 // Alternate between the NaN cases
1485                 if (ndx & 1)
1486                 {
1487                         inputFloats1[ndx] = TCU_NAN;
1488                         // If NaN is handled, the result should be same as the clamp minimum.
1489                         // If NaN is not handled, the result should clamp to the clamp maximum.
1490                         maxResA = inputFloats2[ndx];
1491                         maxResB = inputFloats3[ndx];
1492                 }
1493                 else
1494                 {
1495                         // Not a NaN case - only one legal result.
1496                         maxResA = defaultRes;
1497                         maxResB = defaultRes;
1498                 }
1499
1500                 outputFloats[ndx * 2] = maxResA;
1501                 outputFloats[ndx * 2 + 1] = maxResB;
1502         }
1503
1504         // Make the first case a full-NAN case.
1505         inputFloats1[0] = TCU_NAN;
1506         inputFloats2[0] = TCU_NAN;
1507         inputFloats3[0] = TCU_NAN;
1508         outputFloats[0] = TCU_NAN;
1509         outputFloats[1] = TCU_NAN;
1510
1511         spec.assembly =
1512                 "OpCapability Shader\n"
1513                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1514                 "OpMemoryModel Logical GLSL450\n"
1515                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1516                 "OpExecutionMode %main LocalSize 1 1 1\n"
1517
1518                 "OpName %main           \"main\"\n"
1519                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1520
1521                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1522
1523                 "OpDecorate %buf BufferBlock\n"
1524                 "OpDecorate %indata1 DescriptorSet 0\n"
1525                 "OpDecorate %indata1 Binding 0\n"
1526                 "OpDecorate %indata2 DescriptorSet 0\n"
1527                 "OpDecorate %indata2 Binding 1\n"
1528                 "OpDecorate %indata3 DescriptorSet 0\n"
1529                 "OpDecorate %indata3 Binding 2\n"
1530                 "OpDecorate %outdata DescriptorSet 0\n"
1531                 "OpDecorate %outdata Binding 3\n"
1532                 "OpDecorate %f32arr ArrayStride 4\n"
1533                 "OpMemberDecorate %buf 0 Offset 0\n"
1534
1535                 + string(getComputeAsmCommonTypes()) +
1536
1537                 "%buf        = OpTypeStruct %f32arr\n"
1538                 "%bufptr     = OpTypePointer Uniform %buf\n"
1539                 "%indata1    = OpVariable %bufptr Uniform\n"
1540                 "%indata2    = OpVariable %bufptr Uniform\n"
1541                 "%indata3    = OpVariable %bufptr Uniform\n"
1542                 "%outdata    = OpVariable %bufptr Uniform\n"
1543
1544                 "%id        = OpVariable %uvec3ptr Input\n"
1545                 "%zero      = OpConstant %i32 0\n"
1546
1547                 "%main      = OpFunction %void None %voidf\n"
1548                 "%label     = OpLabel\n"
1549                 "%idval     = OpLoad %uvec3 %id\n"
1550                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1551                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1552                 "%inval1    = OpLoad %f32 %inloc1\n"
1553                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1554                 "%inval2    = OpLoad %f32 %inloc2\n"
1555                 "%inloc3    = OpAccessChain %f32ptr %indata3 %zero %x\n"
1556                 "%inval3    = OpLoad %f32 %inloc3\n"
1557                 "%rem       = OpExtInst %f32 %std450 NClamp %inval1 %inval2 %inval3\n"
1558                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1559                 "             OpStore %outloc %rem\n"
1560                 "             OpReturn\n"
1561                 "             OpFunctionEnd\n";
1562
1563         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1564         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1565         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
1566         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1567         spec.numWorkGroups = IVec3(numElements, 1, 1);
1568         spec.verifyIO = &compareNClamp;
1569
1570         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1571
1572         return group.release();
1573 }
1574
1575 tcu::TestCaseGroup* createOpSRemComputeGroup (tcu::TestContext& testCtx, qpTestResult negFailResult)
1576 {
1577         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsrem", "Test the OpSRem instruction"));
1578         de::Random                                              rnd                             (deStringHash(group->getName()));
1579         const int                                               numElements             = 200;
1580
1581         const struct CaseParams
1582         {
1583                 const char*             name;
1584                 const char*             failMessage;            // customized status message
1585                 qpTestResult    failResult;                     // override status on failure
1586                 int                             op1Min, op1Max;         // operand ranges
1587                 int                             op2Min, op2Max;
1588         } cases[] =
1589         {
1590                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    0,              65536,  0,              100 },
1591                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  -65536, 65536,  -100,   100 },  // see below
1592         };
1593         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1594
1595         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1596         {
1597                 const CaseParams&       params          = cases[caseNdx];
1598                 ComputeShaderSpec       spec;
1599                 vector<deInt32>         inputInts1      (numElements, 0);
1600                 vector<deInt32>         inputInts2      (numElements, 0);
1601                 vector<deInt32>         outputInts      (numElements, 0);
1602
1603                 fillRandomScalars(rnd, params.op1Min, params.op1Max, &inputInts1[0], numElements);
1604                 fillRandomScalars(rnd, params.op2Min, params.op2Max, &inputInts2[0], numElements, filterNotZero);
1605
1606                 for (int ndx = 0; ndx < numElements; ++ndx)
1607                 {
1608                         // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
1609                         outputInts[ndx] = inputInts1[ndx] % inputInts2[ndx];
1610                 }
1611
1612                 spec.assembly =
1613                         string(getComputeAsmShaderPreamble()) +
1614
1615                         "OpName %main           \"main\"\n"
1616                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1617
1618                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1619
1620                         "OpDecorate %buf BufferBlock\n"
1621                         "OpDecorate %indata1 DescriptorSet 0\n"
1622                         "OpDecorate %indata1 Binding 0\n"
1623                         "OpDecorate %indata2 DescriptorSet 0\n"
1624                         "OpDecorate %indata2 Binding 1\n"
1625                         "OpDecorate %outdata DescriptorSet 0\n"
1626                         "OpDecorate %outdata Binding 2\n"
1627                         "OpDecorate %i32arr ArrayStride 4\n"
1628                         "OpMemberDecorate %buf 0 Offset 0\n"
1629
1630                         + string(getComputeAsmCommonTypes()) +
1631
1632                         "%buf        = OpTypeStruct %i32arr\n"
1633                         "%bufptr     = OpTypePointer Uniform %buf\n"
1634                         "%indata1    = OpVariable %bufptr Uniform\n"
1635                         "%indata2    = OpVariable %bufptr Uniform\n"
1636                         "%outdata    = OpVariable %bufptr Uniform\n"
1637
1638                         "%id        = OpVariable %uvec3ptr Input\n"
1639                         "%zero      = OpConstant %i32 0\n"
1640
1641                         "%main      = OpFunction %void None %voidf\n"
1642                         "%label     = OpLabel\n"
1643                         "%idval     = OpLoad %uvec3 %id\n"
1644                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1645                         "%inloc1    = OpAccessChain %i32ptr %indata1 %zero %x\n"
1646                         "%inval1    = OpLoad %i32 %inloc1\n"
1647                         "%inloc2    = OpAccessChain %i32ptr %indata2 %zero %x\n"
1648                         "%inval2    = OpLoad %i32 %inloc2\n"
1649                         "%rem       = OpSRem %i32 %inval1 %inval2\n"
1650                         "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1651                         "             OpStore %outloc %rem\n"
1652                         "             OpReturn\n"
1653                         "             OpFunctionEnd\n";
1654
1655                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts1)));
1656                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts2)));
1657                 spec.outputs.push_back  (BufferSp(new Int32Buffer(outputInts)));
1658                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1659                 spec.failResult                 = params.failResult;
1660                 spec.failMessage                = params.failMessage;
1661
1662                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec));
1663         }
1664
1665         return group.release();
1666 }
1667
1668 tcu::TestCaseGroup* createOpSRemComputeGroup64 (tcu::TestContext& testCtx, qpTestResult negFailResult)
1669 {
1670         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsrem64", "Test the 64-bit OpSRem instruction"));
1671         de::Random                                              rnd                             (deStringHash(group->getName()));
1672         const int                                               numElements             = 200;
1673
1674         const struct CaseParams
1675         {
1676                 const char*             name;
1677                 const char*             failMessage;            // customized status message
1678                 qpTestResult    failResult;                     // override status on failure
1679                 bool                    positive;
1680         } cases[] =
1681         {
1682                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    true },
1683                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  false },        // see below
1684         };
1685         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1686
1687         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1688         {
1689                 const CaseParams&       params          = cases[caseNdx];
1690                 ComputeShaderSpec       spec;
1691                 vector<deInt64>         inputInts1      (numElements, 0);
1692                 vector<deInt64>         inputInts2      (numElements, 0);
1693                 vector<deInt64>         outputInts      (numElements, 0);
1694
1695                 if (params.positive)
1696                 {
1697                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements, filterNonNegative);
1698                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterPositive);
1699                 }
1700                 else
1701                 {
1702                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements);
1703                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterNotZero);
1704                 }
1705
1706                 for (int ndx = 0; ndx < numElements; ++ndx)
1707                 {
1708                         // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
1709                         outputInts[ndx] = inputInts1[ndx] % inputInts2[ndx];
1710                 }
1711
1712                 spec.assembly =
1713                         "OpCapability Int64\n"
1714
1715                         + string(getComputeAsmShaderPreamble()) +
1716
1717                         "OpName %main           \"main\"\n"
1718                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1719
1720                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1721
1722                         "OpDecorate %buf BufferBlock\n"
1723                         "OpDecorate %indata1 DescriptorSet 0\n"
1724                         "OpDecorate %indata1 Binding 0\n"
1725                         "OpDecorate %indata2 DescriptorSet 0\n"
1726                         "OpDecorate %indata2 Binding 1\n"
1727                         "OpDecorate %outdata DescriptorSet 0\n"
1728                         "OpDecorate %outdata Binding 2\n"
1729                         "OpDecorate %i64arr ArrayStride 8\n"
1730                         "OpMemberDecorate %buf 0 Offset 0\n"
1731
1732                         + string(getComputeAsmCommonTypes())
1733                         + string(getComputeAsmCommonInt64Types()) +
1734
1735                         "%buf        = OpTypeStruct %i64arr\n"
1736                         "%bufptr     = OpTypePointer Uniform %buf\n"
1737                         "%indata1    = OpVariable %bufptr Uniform\n"
1738                         "%indata2    = OpVariable %bufptr Uniform\n"
1739                         "%outdata    = OpVariable %bufptr Uniform\n"
1740
1741                         "%id        = OpVariable %uvec3ptr Input\n"
1742                         "%zero      = OpConstant %i64 0\n"
1743
1744                         "%main      = OpFunction %void None %voidf\n"
1745                         "%label     = OpLabel\n"
1746                         "%idval     = OpLoad %uvec3 %id\n"
1747                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1748                         "%inloc1    = OpAccessChain %i64ptr %indata1 %zero %x\n"
1749                         "%inval1    = OpLoad %i64 %inloc1\n"
1750                         "%inloc2    = OpAccessChain %i64ptr %indata2 %zero %x\n"
1751                         "%inval2    = OpLoad %i64 %inloc2\n"
1752                         "%rem       = OpSRem %i64 %inval1 %inval2\n"
1753                         "%outloc    = OpAccessChain %i64ptr %outdata %zero %x\n"
1754                         "             OpStore %outloc %rem\n"
1755                         "             OpReturn\n"
1756                         "             OpFunctionEnd\n";
1757
1758                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts1)));
1759                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts2)));
1760                 spec.outputs.push_back  (BufferSp(new Int64Buffer(outputInts)));
1761                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1762                 spec.failResult                 = params.failResult;
1763                 spec.failMessage                = params.failMessage;
1764
1765                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec, COMPUTE_TEST_USES_INT64));
1766         }
1767
1768         return group.release();
1769 }
1770
1771 tcu::TestCaseGroup* createOpSModComputeGroup (tcu::TestContext& testCtx, qpTestResult negFailResult)
1772 {
1773         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsmod", "Test the OpSMod instruction"));
1774         de::Random                                              rnd                             (deStringHash(group->getName()));
1775         const int                                               numElements             = 200;
1776
1777         const struct CaseParams
1778         {
1779                 const char*             name;
1780                 const char*             failMessage;            // customized status message
1781                 qpTestResult    failResult;                     // override status on failure
1782                 int                             op1Min, op1Max;         // operand ranges
1783                 int                             op2Min, op2Max;
1784         } cases[] =
1785         {
1786                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    0,              65536,  0,              100 },
1787                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  -65536, 65536,  -100,   100 },  // see below
1788         };
1789         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1790
1791         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1792         {
1793                 const CaseParams&       params          = cases[caseNdx];
1794
1795                 ComputeShaderSpec       spec;
1796                 vector<deInt32>         inputInts1      (numElements, 0);
1797                 vector<deInt32>         inputInts2      (numElements, 0);
1798                 vector<deInt32>         outputInts      (numElements, 0);
1799
1800                 fillRandomScalars(rnd, params.op1Min, params.op1Max, &inputInts1[0], numElements);
1801                 fillRandomScalars(rnd, params.op2Min, params.op2Max, &inputInts2[0], numElements, filterNotZero);
1802
1803                 for (int ndx = 0; ndx < numElements; ++ndx)
1804                 {
1805                         deInt32 rem = inputInts1[ndx] % inputInts2[ndx];
1806                         if (rem == 0)
1807                         {
1808                                 outputInts[ndx] = 0;
1809                         }
1810                         else if ((inputInts1[ndx] >= 0) == (inputInts2[ndx] >= 0))
1811                         {
1812                                 // They have the same sign
1813                                 outputInts[ndx] = rem;
1814                         }
1815                         else
1816                         {
1817                                 // They have opposite sign.  The remainder operation takes the
1818                                 // sign inputInts1[ndx] but OpSMod is supposed to take ths sign
1819                                 // of inputInts2[ndx].  Adding inputInts2[ndx] will ensure that
1820                                 // the result has the correct sign and that it is still
1821                                 // congruent to inputInts1[ndx] modulo inputInts2[ndx]
1822                                 //
1823                                 // See also http://mathforum.org/library/drmath/view/52343.html
1824                                 outputInts[ndx] = rem + inputInts2[ndx];
1825                         }
1826                 }
1827
1828                 spec.assembly =
1829                         string(getComputeAsmShaderPreamble()) +
1830
1831                         "OpName %main           \"main\"\n"
1832                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1833
1834                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1835
1836                         "OpDecorate %buf BufferBlock\n"
1837                         "OpDecorate %indata1 DescriptorSet 0\n"
1838                         "OpDecorate %indata1 Binding 0\n"
1839                         "OpDecorate %indata2 DescriptorSet 0\n"
1840                         "OpDecorate %indata2 Binding 1\n"
1841                         "OpDecorate %outdata DescriptorSet 0\n"
1842                         "OpDecorate %outdata Binding 2\n"
1843                         "OpDecorate %i32arr ArrayStride 4\n"
1844                         "OpMemberDecorate %buf 0 Offset 0\n"
1845
1846                         + string(getComputeAsmCommonTypes()) +
1847
1848                         "%buf        = OpTypeStruct %i32arr\n"
1849                         "%bufptr     = OpTypePointer Uniform %buf\n"
1850                         "%indata1    = OpVariable %bufptr Uniform\n"
1851                         "%indata2    = OpVariable %bufptr Uniform\n"
1852                         "%outdata    = OpVariable %bufptr Uniform\n"
1853
1854                         "%id        = OpVariable %uvec3ptr Input\n"
1855                         "%zero      = OpConstant %i32 0\n"
1856
1857                         "%main      = OpFunction %void None %voidf\n"
1858                         "%label     = OpLabel\n"
1859                         "%idval     = OpLoad %uvec3 %id\n"
1860                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1861                         "%inloc1    = OpAccessChain %i32ptr %indata1 %zero %x\n"
1862                         "%inval1    = OpLoad %i32 %inloc1\n"
1863                         "%inloc2    = OpAccessChain %i32ptr %indata2 %zero %x\n"
1864                         "%inval2    = OpLoad %i32 %inloc2\n"
1865                         "%rem       = OpSMod %i32 %inval1 %inval2\n"
1866                         "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1867                         "             OpStore %outloc %rem\n"
1868                         "             OpReturn\n"
1869                         "             OpFunctionEnd\n";
1870
1871                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts1)));
1872                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts2)));
1873                 spec.outputs.push_back  (BufferSp(new Int32Buffer(outputInts)));
1874                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1875                 spec.failResult                 = params.failResult;
1876                 spec.failMessage                = params.failMessage;
1877
1878                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec));
1879         }
1880
1881         return group.release();
1882 }
1883
1884 tcu::TestCaseGroup* createOpSModComputeGroup64 (tcu::TestContext& testCtx, qpTestResult negFailResult)
1885 {
1886         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsmod64", "Test the OpSMod instruction"));
1887         de::Random                                              rnd                             (deStringHash(group->getName()));
1888         const int                                               numElements             = 200;
1889
1890         const struct CaseParams
1891         {
1892                 const char*             name;
1893                 const char*             failMessage;            // customized status message
1894                 qpTestResult    failResult;                     // override status on failure
1895                 bool                    positive;
1896         } cases[] =
1897         {
1898                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    true },
1899                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  false },        // see below
1900         };
1901         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1902
1903         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1904         {
1905                 const CaseParams&       params          = cases[caseNdx];
1906
1907                 ComputeShaderSpec       spec;
1908                 vector<deInt64>         inputInts1      (numElements, 0);
1909                 vector<deInt64>         inputInts2      (numElements, 0);
1910                 vector<deInt64>         outputInts      (numElements, 0);
1911
1912
1913                 if (params.positive)
1914                 {
1915                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements, filterNonNegative);
1916                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterPositive);
1917                 }
1918                 else
1919                 {
1920                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements);
1921                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterNotZero);
1922                 }
1923
1924                 for (int ndx = 0; ndx < numElements; ++ndx)
1925                 {
1926                         deInt64 rem = inputInts1[ndx] % inputInts2[ndx];
1927                         if (rem == 0)
1928                         {
1929                                 outputInts[ndx] = 0;
1930                         }
1931                         else if ((inputInts1[ndx] >= 0) == (inputInts2[ndx] >= 0))
1932                         {
1933                                 // They have the same sign
1934                                 outputInts[ndx] = rem;
1935                         }
1936                         else
1937                         {
1938                                 // They have opposite sign.  The remainder operation takes the
1939                                 // sign inputInts1[ndx] but OpSMod is supposed to take ths sign
1940                                 // of inputInts2[ndx].  Adding inputInts2[ndx] will ensure that
1941                                 // the result has the correct sign and that it is still
1942                                 // congruent to inputInts1[ndx] modulo inputInts2[ndx]
1943                                 //
1944                                 // See also http://mathforum.org/library/drmath/view/52343.html
1945                                 outputInts[ndx] = rem + inputInts2[ndx];
1946                         }
1947                 }
1948
1949                 spec.assembly =
1950                         "OpCapability Int64\n"
1951
1952                         + string(getComputeAsmShaderPreamble()) +
1953
1954                         "OpName %main           \"main\"\n"
1955                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1956
1957                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1958
1959                         "OpDecorate %buf BufferBlock\n"
1960                         "OpDecorate %indata1 DescriptorSet 0\n"
1961                         "OpDecorate %indata1 Binding 0\n"
1962                         "OpDecorate %indata2 DescriptorSet 0\n"
1963                         "OpDecorate %indata2 Binding 1\n"
1964                         "OpDecorate %outdata DescriptorSet 0\n"
1965                         "OpDecorate %outdata Binding 2\n"
1966                         "OpDecorate %i64arr ArrayStride 8\n"
1967                         "OpMemberDecorate %buf 0 Offset 0\n"
1968
1969                         + string(getComputeAsmCommonTypes())
1970                         + string(getComputeAsmCommonInt64Types()) +
1971
1972                         "%buf        = OpTypeStruct %i64arr\n"
1973                         "%bufptr     = OpTypePointer Uniform %buf\n"
1974                         "%indata1    = OpVariable %bufptr Uniform\n"
1975                         "%indata2    = OpVariable %bufptr Uniform\n"
1976                         "%outdata    = OpVariable %bufptr Uniform\n"
1977
1978                         "%id        = OpVariable %uvec3ptr Input\n"
1979                         "%zero      = OpConstant %i64 0\n"
1980
1981                         "%main      = OpFunction %void None %voidf\n"
1982                         "%label     = OpLabel\n"
1983                         "%idval     = OpLoad %uvec3 %id\n"
1984                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1985                         "%inloc1    = OpAccessChain %i64ptr %indata1 %zero %x\n"
1986                         "%inval1    = OpLoad %i64 %inloc1\n"
1987                         "%inloc2    = OpAccessChain %i64ptr %indata2 %zero %x\n"
1988                         "%inval2    = OpLoad %i64 %inloc2\n"
1989                         "%rem       = OpSMod %i64 %inval1 %inval2\n"
1990                         "%outloc    = OpAccessChain %i64ptr %outdata %zero %x\n"
1991                         "             OpStore %outloc %rem\n"
1992                         "             OpReturn\n"
1993                         "             OpFunctionEnd\n";
1994
1995                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts1)));
1996                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts2)));
1997                 spec.outputs.push_back  (BufferSp(new Int64Buffer(outputInts)));
1998                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1999                 spec.failResult                 = params.failResult;
2000                 spec.failMessage                = params.failMessage;
2001
2002                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec, COMPUTE_TEST_USES_INT64));
2003         }
2004
2005         return group.release();
2006 }
2007
2008 // Copy contents in the input buffer to the output buffer.
2009 tcu::TestCaseGroup* createOpCopyMemoryGroup (tcu::TestContext& testCtx)
2010 {
2011         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopymemory", "Test the OpCopyMemory instruction"));
2012         de::Random                                              rnd                             (deStringHash(group->getName()));
2013         const int                                               numElements             = 100;
2014
2015         // The following case adds vec4(0., 0.5, 1.5, 2.5) to each of the elements in the input buffer and writes output to the output buffer.
2016         ComputeShaderSpec                               spec1;
2017         vector<Vec4>                                    inputFloats1    (numElements);
2018         vector<Vec4>                                    outputFloats1   (numElements);
2019
2020         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats1[0], numElements * 4);
2021
2022         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2023         floorAll(inputFloats1);
2024
2025         for (size_t ndx = 0; ndx < numElements; ++ndx)
2026                 outputFloats1[ndx] = inputFloats1[ndx] + Vec4(0.f, 0.5f, 1.5f, 2.5f);
2027
2028         spec1.assembly =
2029                 string(getComputeAsmShaderPreamble()) +
2030
2031                 "OpName %main           \"main\"\n"
2032                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2033
2034                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2035                 "OpDecorate %vec4arr ArrayStride 16\n"
2036
2037                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2038
2039                 "%vec4       = OpTypeVector %f32 4\n"
2040                 "%vec4ptr_u  = OpTypePointer Uniform %vec4\n"
2041                 "%vec4ptr_f  = OpTypePointer Function %vec4\n"
2042                 "%vec4arr    = OpTypeRuntimeArray %vec4\n"
2043                 "%buf        = OpTypeStruct %vec4arr\n"
2044                 "%bufptr     = OpTypePointer Uniform %buf\n"
2045                 "%indata     = OpVariable %bufptr Uniform\n"
2046                 "%outdata    = OpVariable %bufptr Uniform\n"
2047
2048                 "%id         = OpVariable %uvec3ptr Input\n"
2049                 "%zero       = OpConstant %i32 0\n"
2050                 "%c_f_0      = OpConstant %f32 0.\n"
2051                 "%c_f_0_5    = OpConstant %f32 0.5\n"
2052                 "%c_f_1_5    = OpConstant %f32 1.5\n"
2053                 "%c_f_2_5    = OpConstant %f32 2.5\n"
2054                 "%c_vec4     = OpConstantComposite %vec4 %c_f_0 %c_f_0_5 %c_f_1_5 %c_f_2_5\n"
2055
2056                 "%main       = OpFunction %void None %voidf\n"
2057                 "%label      = OpLabel\n"
2058                 "%v_vec4     = OpVariable %vec4ptr_f Function\n"
2059                 "%idval      = OpLoad %uvec3 %id\n"
2060                 "%x          = OpCompositeExtract %u32 %idval 0\n"
2061                 "%inloc      = OpAccessChain %vec4ptr_u %indata %zero %x\n"
2062                 "%outloc     = OpAccessChain %vec4ptr_u %outdata %zero %x\n"
2063                 "              OpCopyMemory %v_vec4 %inloc\n"
2064                 "%v_vec4_val = OpLoad %vec4 %v_vec4\n"
2065                 "%add        = OpFAdd %vec4 %v_vec4_val %c_vec4\n"
2066                 "              OpStore %outloc %add\n"
2067                 "              OpReturn\n"
2068                 "              OpFunctionEnd\n";
2069
2070         spec1.inputs.push_back(BufferSp(new Vec4Buffer(inputFloats1)));
2071         spec1.outputs.push_back(BufferSp(new Vec4Buffer(outputFloats1)));
2072         spec1.numWorkGroups = IVec3(numElements, 1, 1);
2073
2074         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector", "OpCopyMemory elements of vector type", spec1));
2075
2076         // The following case copies a float[100] variable from the input buffer to the output buffer.
2077         ComputeShaderSpec                               spec2;
2078         vector<float>                                   inputFloats2    (numElements);
2079         vector<float>                                   outputFloats2   (numElements);
2080
2081         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats2[0], numElements);
2082
2083         for (size_t ndx = 0; ndx < numElements; ++ndx)
2084                 outputFloats2[ndx] = inputFloats2[ndx];
2085
2086         spec2.assembly =
2087                 string(getComputeAsmShaderPreamble()) +
2088
2089                 "OpName %main           \"main\"\n"
2090                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2091
2092                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2093                 "OpDecorate %f32arr100 ArrayStride 4\n"
2094
2095                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2096
2097                 "%hundred        = OpConstant %u32 100\n"
2098                 "%f32arr100      = OpTypeArray %f32 %hundred\n"
2099                 "%f32arr100ptr_f = OpTypePointer Function %f32arr100\n"
2100                 "%f32arr100ptr_u = OpTypePointer Uniform %f32arr100\n"
2101                 "%buf            = OpTypeStruct %f32arr100\n"
2102                 "%bufptr         = OpTypePointer Uniform %buf\n"
2103                 "%indata         = OpVariable %bufptr Uniform\n"
2104                 "%outdata        = OpVariable %bufptr Uniform\n"
2105
2106                 "%id             = OpVariable %uvec3ptr Input\n"
2107                 "%zero           = OpConstant %i32 0\n"
2108
2109                 "%main           = OpFunction %void None %voidf\n"
2110                 "%label          = OpLabel\n"
2111                 "%var            = OpVariable %f32arr100ptr_f Function\n"
2112                 "%inarr          = OpAccessChain %f32arr100ptr_u %indata %zero\n"
2113                 "%outarr         = OpAccessChain %f32arr100ptr_u %outdata %zero\n"
2114                 "                  OpCopyMemory %var %inarr\n"
2115                 "                  OpCopyMemory %outarr %var\n"
2116                 "                  OpReturn\n"
2117                 "                  OpFunctionEnd\n";
2118
2119         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
2120         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
2121         spec2.numWorkGroups = IVec3(1, 1, 1);
2122
2123         group->addChild(new SpvAsmComputeShaderCase(testCtx, "array", "OpCopyMemory elements of array type", spec2));
2124
2125         // The following case copies a struct{vec4, vec4, vec4, vec4} variable from the input buffer to the output buffer.
2126         ComputeShaderSpec                               spec3;
2127         vector<float>                                   inputFloats3    (16);
2128         vector<float>                                   outputFloats3   (16);
2129
2130         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats3[0], 16);
2131
2132         for (size_t ndx = 0; ndx < 16; ++ndx)
2133                 outputFloats3[ndx] = inputFloats3[ndx];
2134
2135         spec3.assembly =
2136                 string(getComputeAsmShaderPreamble()) +
2137
2138                 "OpName %main           \"main\"\n"
2139                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2140
2141                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2142                 "OpMemberDecorate %buf 0 Offset 0\n"
2143                 "OpMemberDecorate %buf 1 Offset 16\n"
2144                 "OpMemberDecorate %buf 2 Offset 32\n"
2145                 "OpMemberDecorate %buf 3 Offset 48\n"
2146
2147                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2148
2149                 "%vec4      = OpTypeVector %f32 4\n"
2150                 "%buf       = OpTypeStruct %vec4 %vec4 %vec4 %vec4\n"
2151                 "%bufptr    = OpTypePointer Uniform %buf\n"
2152                 "%indata    = OpVariable %bufptr Uniform\n"
2153                 "%outdata   = OpVariable %bufptr Uniform\n"
2154                 "%vec4stptr = OpTypePointer Function %buf\n"
2155
2156                 "%id        = OpVariable %uvec3ptr Input\n"
2157                 "%zero      = OpConstant %i32 0\n"
2158
2159                 "%main      = OpFunction %void None %voidf\n"
2160                 "%label     = OpLabel\n"
2161                 "%var       = OpVariable %vec4stptr Function\n"
2162                 "             OpCopyMemory %var %indata\n"
2163                 "             OpCopyMemory %outdata %var\n"
2164                 "             OpReturn\n"
2165                 "             OpFunctionEnd\n";
2166
2167         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
2168         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
2169         spec3.numWorkGroups = IVec3(1, 1, 1);
2170
2171         group->addChild(new SpvAsmComputeShaderCase(testCtx, "struct", "OpCopyMemory elements of struct type", spec3));
2172
2173         // The following case negates multiple float variables from the input buffer and stores the results to the output buffer.
2174         ComputeShaderSpec                               spec4;
2175         vector<float>                                   inputFloats4    (numElements);
2176         vector<float>                                   outputFloats4   (numElements);
2177
2178         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats4[0], numElements);
2179
2180         for (size_t ndx = 0; ndx < numElements; ++ndx)
2181                 outputFloats4[ndx] = -inputFloats4[ndx];
2182
2183         spec4.assembly =
2184                 string(getComputeAsmShaderPreamble()) +
2185
2186                 "OpName %main           \"main\"\n"
2187                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2188
2189                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2190
2191                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2192
2193                 "%f32ptr_f  = OpTypePointer Function %f32\n"
2194                 "%id        = OpVariable %uvec3ptr Input\n"
2195                 "%zero      = OpConstant %i32 0\n"
2196
2197                 "%main      = OpFunction %void None %voidf\n"
2198                 "%label     = OpLabel\n"
2199                 "%var       = OpVariable %f32ptr_f Function\n"
2200                 "%idval     = OpLoad %uvec3 %id\n"
2201                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2202                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2203                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2204                 "             OpCopyMemory %var %inloc\n"
2205                 "%val       = OpLoad %f32 %var\n"
2206                 "%neg       = OpFNegate %f32 %val\n"
2207                 "             OpStore %outloc %neg\n"
2208                 "             OpReturn\n"
2209                 "             OpFunctionEnd\n";
2210
2211         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
2212         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
2213         spec4.numWorkGroups = IVec3(numElements, 1, 1);
2214
2215         group->addChild(new SpvAsmComputeShaderCase(testCtx, "float", "OpCopyMemory elements of float type", spec4));
2216
2217         return group.release();
2218 }
2219
2220 tcu::TestCaseGroup* createOpCopyObjectGroup (tcu::TestContext& testCtx)
2221 {
2222         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopyobject", "Test the OpCopyObject instruction"));
2223         ComputeShaderSpec                               spec;
2224         de::Random                                              rnd                             (deStringHash(group->getName()));
2225         const int                                               numElements             = 100;
2226         vector<float>                                   inputFloats             (numElements, 0);
2227         vector<float>                                   outputFloats    (numElements, 0);
2228
2229         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
2230
2231         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2232         floorAll(inputFloats);
2233
2234         for (size_t ndx = 0; ndx < numElements; ++ndx)
2235                 outputFloats[ndx] = inputFloats[ndx] + 7.5f;
2236
2237         spec.assembly =
2238                 string(getComputeAsmShaderPreamble()) +
2239
2240                 "OpName %main           \"main\"\n"
2241                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2242
2243                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2244
2245                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2246
2247                 "%fmat     = OpTypeMatrix %fvec3 3\n"
2248                 "%three    = OpConstant %u32 3\n"
2249                 "%farr     = OpTypeArray %f32 %three\n"
2250                 "%fst      = OpTypeStruct %f32 %f32\n"
2251
2252                 + string(getComputeAsmInputOutputBuffer()) +
2253
2254                 "%id            = OpVariable %uvec3ptr Input\n"
2255                 "%zero          = OpConstant %i32 0\n"
2256                 "%c_f           = OpConstant %f32 1.5\n"
2257                 "%c_fvec3       = OpConstantComposite %fvec3 %c_f %c_f %c_f\n"
2258                 "%c_fmat        = OpConstantComposite %fmat %c_fvec3 %c_fvec3 %c_fvec3\n"
2259                 "%c_farr        = OpConstantComposite %farr %c_f %c_f %c_f\n"
2260                 "%c_fst         = OpConstantComposite %fst %c_f %c_f\n"
2261
2262                 "%main          = OpFunction %void None %voidf\n"
2263                 "%label         = OpLabel\n"
2264                 "%c_f_copy      = OpCopyObject %f32   %c_f\n"
2265                 "%c_fvec3_copy  = OpCopyObject %fvec3 %c_fvec3\n"
2266                 "%c_fmat_copy   = OpCopyObject %fmat  %c_fmat\n"
2267                 "%c_farr_copy   = OpCopyObject %farr  %c_farr\n"
2268                 "%c_fst_copy    = OpCopyObject %fst   %c_fst\n"
2269                 "%fvec3_elem    = OpCompositeExtract %f32 %c_fvec3_copy 0\n"
2270                 "%fmat_elem     = OpCompositeExtract %f32 %c_fmat_copy 1 2\n"
2271                 "%farr_elem     = OpCompositeExtract %f32 %c_farr_copy 2\n"
2272                 "%fst_elem      = OpCompositeExtract %f32 %c_fst_copy 1\n"
2273                 // Add up. 1.5 * 5 = 7.5.
2274                 "%add1          = OpFAdd %f32 %c_f_copy %fvec3_elem\n"
2275                 "%add2          = OpFAdd %f32 %add1     %fmat_elem\n"
2276                 "%add3          = OpFAdd %f32 %add2     %farr_elem\n"
2277                 "%add4          = OpFAdd %f32 %add3     %fst_elem\n"
2278
2279                 "%idval         = OpLoad %uvec3 %id\n"
2280                 "%x             = OpCompositeExtract %u32 %idval 0\n"
2281                 "%inloc         = OpAccessChain %f32ptr %indata %zero %x\n"
2282                 "%outloc        = OpAccessChain %f32ptr %outdata %zero %x\n"
2283                 "%inval         = OpLoad %f32 %inloc\n"
2284                 "%add           = OpFAdd %f32 %add4 %inval\n"
2285                 "                 OpStore %outloc %add\n"
2286                 "                 OpReturn\n"
2287                 "                 OpFunctionEnd\n";
2288         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2289         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2290         spec.numWorkGroups = IVec3(numElements, 1, 1);
2291
2292         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "OpCopyObject on different types", spec));
2293
2294         return group.release();
2295 }
2296 // Assembly code used for testing OpUnreachable is based on GLSL source code:
2297 //
2298 // #version 430
2299 //
2300 // layout(std140, set = 0, binding = 0) readonly buffer Input {
2301 //   float elements[];
2302 // } input_data;
2303 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
2304 //   float elements[];
2305 // } output_data;
2306 //
2307 // void not_called_func() {
2308 //   // place OpUnreachable here
2309 // }
2310 //
2311 // uint modulo4(uint val) {
2312 //   switch (val % uint(4)) {
2313 //     case 0:  return 3;
2314 //     case 1:  return 2;
2315 //     case 2:  return 1;
2316 //     case 3:  return 0;
2317 //     default: return 100; // place OpUnreachable here
2318 //   }
2319 // }
2320 //
2321 // uint const5() {
2322 //   return 5;
2323 //   // place OpUnreachable here
2324 // }
2325 //
2326 // void main() {
2327 //   uint x = gl_GlobalInvocationID.x;
2328 //   if (const5() > modulo4(1000)) {
2329 //     output_data.elements[x] = -input_data.elements[x];
2330 //   } else {
2331 //     // place OpUnreachable here
2332 //     output_data.elements[x] = input_data.elements[x];
2333 //   }
2334 // }
2335
2336 tcu::TestCaseGroup* createOpUnreachableGroup (tcu::TestContext& testCtx)
2337 {
2338         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opunreachable", "Test the OpUnreachable instruction"));
2339         ComputeShaderSpec                               spec;
2340         de::Random                                              rnd                             (deStringHash(group->getName()));
2341         const int                                               numElements             = 100;
2342         vector<float>                                   positiveFloats  (numElements, 0);
2343         vector<float>                                   negativeFloats  (numElements, 0);
2344
2345         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2346
2347         for (size_t ndx = 0; ndx < numElements; ++ndx)
2348                 negativeFloats[ndx] = -positiveFloats[ndx];
2349
2350         spec.assembly =
2351                 string(getComputeAsmShaderPreamble()) +
2352
2353                 "OpSource GLSL 430\n"
2354                 "OpName %main            \"main\"\n"
2355                 "OpName %func_not_called_func \"not_called_func(\"\n"
2356                 "OpName %func_modulo4         \"modulo4(u1;\"\n"
2357                 "OpName %func_const5          \"const5(\"\n"
2358                 "OpName %id                   \"gl_GlobalInvocationID\"\n"
2359
2360                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2361
2362                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2363
2364                 "%u32ptr    = OpTypePointer Function %u32\n"
2365                 "%uintfuint = OpTypeFunction %u32 %u32ptr\n"
2366                 "%unitf     = OpTypeFunction %u32\n"
2367
2368                 "%id        = OpVariable %uvec3ptr Input\n"
2369                 "%zero      = OpConstant %u32 0\n"
2370                 "%one       = OpConstant %u32 1\n"
2371                 "%two       = OpConstant %u32 2\n"
2372                 "%three     = OpConstant %u32 3\n"
2373                 "%four      = OpConstant %u32 4\n"
2374                 "%five      = OpConstant %u32 5\n"
2375                 "%hundred   = OpConstant %u32 100\n"
2376                 "%thousand  = OpConstant %u32 1000\n"
2377
2378                 + string(getComputeAsmInputOutputBuffer()) +
2379
2380                 // Main()
2381                 "%main   = OpFunction %void None %voidf\n"
2382                 "%main_entry  = OpLabel\n"
2383                 "%v_thousand  = OpVariable %u32ptr Function %thousand\n"
2384                 "%idval       = OpLoad %uvec3 %id\n"
2385                 "%x           = OpCompositeExtract %u32 %idval 0\n"
2386                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
2387                 "%inval       = OpLoad %f32 %inloc\n"
2388                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
2389                 "%ret_const5  = OpFunctionCall %u32 %func_const5\n"
2390                 "%ret_modulo4 = OpFunctionCall %u32 %func_modulo4 %v_thousand\n"
2391                 "%cmp_gt      = OpUGreaterThan %bool %ret_const5 %ret_modulo4\n"
2392                 "               OpSelectionMerge %if_end None\n"
2393                 "               OpBranchConditional %cmp_gt %if_true %if_false\n"
2394                 "%if_true     = OpLabel\n"
2395                 "%negate      = OpFNegate %f32 %inval\n"
2396                 "               OpStore %outloc %negate\n"
2397                 "               OpBranch %if_end\n"
2398                 "%if_false    = OpLabel\n"
2399                 "               OpUnreachable\n" // Unreachable else branch for if statement
2400                 "%if_end      = OpLabel\n"
2401                 "               OpReturn\n"
2402                 "               OpFunctionEnd\n"
2403
2404                 // not_called_function()
2405                 "%func_not_called_func  = OpFunction %void None %voidf\n"
2406                 "%not_called_func_entry = OpLabel\n"
2407                 "                         OpUnreachable\n" // Unreachable entry block in not called static function
2408                 "                         OpFunctionEnd\n"
2409
2410                 // modulo4()
2411                 "%func_modulo4  = OpFunction %u32 None %uintfuint\n"
2412                 "%valptr        = OpFunctionParameter %u32ptr\n"
2413                 "%modulo4_entry = OpLabel\n"
2414                 "%val           = OpLoad %u32 %valptr\n"
2415                 "%modulo        = OpUMod %u32 %val %four\n"
2416                 "                 OpSelectionMerge %switch_merge None\n"
2417                 "                 OpSwitch %modulo %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
2418                 "%case0         = OpLabel\n"
2419                 "                 OpReturnValue %three\n"
2420                 "%case1         = OpLabel\n"
2421                 "                 OpReturnValue %two\n"
2422                 "%case2         = OpLabel\n"
2423                 "                 OpReturnValue %one\n"
2424                 "%case3         = OpLabel\n"
2425                 "                 OpReturnValue %zero\n"
2426                 "%default       = OpLabel\n"
2427                 "                 OpUnreachable\n" // Unreachable default case for switch statement
2428                 "%switch_merge  = OpLabel\n"
2429                 "                 OpUnreachable\n" // Unreachable merge block for switch statement
2430                 "                 OpFunctionEnd\n"
2431
2432                 // const5()
2433                 "%func_const5  = OpFunction %u32 None %unitf\n"
2434                 "%const5_entry = OpLabel\n"
2435                 "                OpReturnValue %five\n"
2436                 "%unreachable  = OpLabel\n"
2437                 "                OpUnreachable\n" // Unreachable block in function
2438                 "                OpFunctionEnd\n";
2439         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2440         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2441         spec.numWorkGroups = IVec3(numElements, 1, 1);
2442
2443         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpUnreachable appearing at different places", spec));
2444
2445         return group.release();
2446 }
2447
2448 // Assembly code used for testing decoration group is based on GLSL source code:
2449 //
2450 // #version 430
2451 //
2452 // layout(std140, set = 0, binding = 0) readonly buffer Input0 {
2453 //   float elements[];
2454 // } input_data0;
2455 // layout(std140, set = 0, binding = 1) readonly buffer Input1 {
2456 //   float elements[];
2457 // } input_data1;
2458 // layout(std140, set = 0, binding = 2) readonly buffer Input2 {
2459 //   float elements[];
2460 // } input_data2;
2461 // layout(std140, set = 0, binding = 3) readonly buffer Input3 {
2462 //   float elements[];
2463 // } input_data3;
2464 // layout(std140, set = 0, binding = 4) readonly buffer Input4 {
2465 //   float elements[];
2466 // } input_data4;
2467 // layout(std140, set = 0, binding = 5) writeonly buffer Output {
2468 //   float elements[];
2469 // } output_data;
2470 //
2471 // void main() {
2472 //   uint x = gl_GlobalInvocationID.x;
2473 //   output_data.elements[x] = input_data0.elements[x] + input_data1.elements[x] + input_data2.elements[x] + input_data3.elements[x] + input_data4.elements[x];
2474 // }
2475 tcu::TestCaseGroup* createDecorationGroupGroup (tcu::TestContext& testCtx)
2476 {
2477         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "decoration_group", "Test the OpDecorationGroup & OpGroupDecorate instruction"));
2478         ComputeShaderSpec                               spec;
2479         de::Random                                              rnd                             (deStringHash(group->getName()));
2480         const int                                               numElements             = 100;
2481         vector<float>                                   inputFloats0    (numElements, 0);
2482         vector<float>                                   inputFloats1    (numElements, 0);
2483         vector<float>                                   inputFloats2    (numElements, 0);
2484         vector<float>                                   inputFloats3    (numElements, 0);
2485         vector<float>                                   inputFloats4    (numElements, 0);
2486         vector<float>                                   outputFloats    (numElements, 0);
2487
2488         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats0[0], numElements);
2489         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats1[0], numElements);
2490         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats2[0], numElements);
2491         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats3[0], numElements);
2492         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats4[0], numElements);
2493
2494         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2495         floorAll(inputFloats0);
2496         floorAll(inputFloats1);
2497         floorAll(inputFloats2);
2498         floorAll(inputFloats3);
2499         floorAll(inputFloats4);
2500
2501         for (size_t ndx = 0; ndx < numElements; ++ndx)
2502                 outputFloats[ndx] = inputFloats0[ndx] + inputFloats1[ndx] + inputFloats2[ndx] + inputFloats3[ndx] + inputFloats4[ndx];
2503
2504         spec.assembly =
2505                 string(getComputeAsmShaderPreamble()) +
2506
2507                 "OpSource GLSL 430\n"
2508                 "OpName %main \"main\"\n"
2509                 "OpName %id \"gl_GlobalInvocationID\"\n"
2510
2511                 // Not using group decoration on variable.
2512                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2513                 // Not using group decoration on type.
2514                 "OpDecorate %f32arr ArrayStride 4\n"
2515
2516                 "OpDecorate %groups BufferBlock\n"
2517                 "OpDecorate %groupm Offset 0\n"
2518                 "%groups = OpDecorationGroup\n"
2519                 "%groupm = OpDecorationGroup\n"
2520
2521                 // Group decoration on multiple structs.
2522                 "OpGroupDecorate %groups %outbuf %inbuf0 %inbuf1 %inbuf2 %inbuf3 %inbuf4\n"
2523                 // Group decoration on multiple struct members.
2524                 "OpGroupMemberDecorate %groupm %outbuf 0 %inbuf0 0 %inbuf1 0 %inbuf2 0 %inbuf3 0 %inbuf4 0\n"
2525
2526                 "OpDecorate %group1 DescriptorSet 0\n"
2527                 "OpDecorate %group3 DescriptorSet 0\n"
2528                 "OpDecorate %group3 NonWritable\n"
2529                 "OpDecorate %group3 Restrict\n"
2530                 "%group0 = OpDecorationGroup\n"
2531                 "%group1 = OpDecorationGroup\n"
2532                 "%group3 = OpDecorationGroup\n"
2533
2534                 // Applying the same decoration group multiple times.
2535                 "OpGroupDecorate %group1 %outdata\n"
2536                 "OpGroupDecorate %group1 %outdata\n"
2537                 "OpGroupDecorate %group1 %outdata\n"
2538                 "OpDecorate %outdata DescriptorSet 0\n"
2539                 "OpDecorate %outdata Binding 5\n"
2540                 // Applying decoration group containing nothing.
2541                 "OpGroupDecorate %group0 %indata0\n"
2542                 "OpDecorate %indata0 DescriptorSet 0\n"
2543                 "OpDecorate %indata0 Binding 0\n"
2544                 // Applying decoration group containing one decoration.
2545                 "OpGroupDecorate %group1 %indata1\n"
2546                 "OpDecorate %indata1 Binding 1\n"
2547                 // Applying decoration group containing multiple decorations.
2548                 "OpGroupDecorate %group3 %indata2 %indata3\n"
2549                 "OpDecorate %indata2 Binding 2\n"
2550                 "OpDecorate %indata3 Binding 3\n"
2551                 // Applying multiple decoration groups (with overlapping).
2552                 "OpGroupDecorate %group0 %indata4\n"
2553                 "OpGroupDecorate %group1 %indata4\n"
2554                 "OpGroupDecorate %group3 %indata4\n"
2555                 "OpDecorate %indata4 Binding 4\n"
2556
2557                 + string(getComputeAsmCommonTypes()) +
2558
2559                 "%id   = OpVariable %uvec3ptr Input\n"
2560                 "%zero = OpConstant %i32 0\n"
2561
2562                 "%outbuf    = OpTypeStruct %f32arr\n"
2563                 "%outbufptr = OpTypePointer Uniform %outbuf\n"
2564                 "%outdata   = OpVariable %outbufptr Uniform\n"
2565                 "%inbuf0    = OpTypeStruct %f32arr\n"
2566                 "%inbuf0ptr = OpTypePointer Uniform %inbuf0\n"
2567                 "%indata0   = OpVariable %inbuf0ptr Uniform\n"
2568                 "%inbuf1    = OpTypeStruct %f32arr\n"
2569                 "%inbuf1ptr = OpTypePointer Uniform %inbuf1\n"
2570                 "%indata1   = OpVariable %inbuf1ptr Uniform\n"
2571                 "%inbuf2    = OpTypeStruct %f32arr\n"
2572                 "%inbuf2ptr = OpTypePointer Uniform %inbuf2\n"
2573                 "%indata2   = OpVariable %inbuf2ptr Uniform\n"
2574                 "%inbuf3    = OpTypeStruct %f32arr\n"
2575                 "%inbuf3ptr = OpTypePointer Uniform %inbuf3\n"
2576                 "%indata3   = OpVariable %inbuf3ptr Uniform\n"
2577                 "%inbuf4    = OpTypeStruct %f32arr\n"
2578                 "%inbufptr  = OpTypePointer Uniform %inbuf4\n"
2579                 "%indata4   = OpVariable %inbufptr Uniform\n"
2580
2581                 "%main   = OpFunction %void None %voidf\n"
2582                 "%label  = OpLabel\n"
2583                 "%idval  = OpLoad %uvec3 %id\n"
2584                 "%x      = OpCompositeExtract %u32 %idval 0\n"
2585                 "%inloc0 = OpAccessChain %f32ptr %indata0 %zero %x\n"
2586                 "%inloc1 = OpAccessChain %f32ptr %indata1 %zero %x\n"
2587                 "%inloc2 = OpAccessChain %f32ptr %indata2 %zero %x\n"
2588                 "%inloc3 = OpAccessChain %f32ptr %indata3 %zero %x\n"
2589                 "%inloc4 = OpAccessChain %f32ptr %indata4 %zero %x\n"
2590                 "%outloc = OpAccessChain %f32ptr %outdata %zero %x\n"
2591                 "%inval0 = OpLoad %f32 %inloc0\n"
2592                 "%inval1 = OpLoad %f32 %inloc1\n"
2593                 "%inval2 = OpLoad %f32 %inloc2\n"
2594                 "%inval3 = OpLoad %f32 %inloc3\n"
2595                 "%inval4 = OpLoad %f32 %inloc4\n"
2596                 "%add0   = OpFAdd %f32 %inval0 %inval1\n"
2597                 "%add1   = OpFAdd %f32 %add0 %inval2\n"
2598                 "%add2   = OpFAdd %f32 %add1 %inval3\n"
2599                 "%add    = OpFAdd %f32 %add2 %inval4\n"
2600                 "          OpStore %outloc %add\n"
2601                 "          OpReturn\n"
2602                 "          OpFunctionEnd\n";
2603         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats0)));
2604         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
2605         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
2606         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
2607         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
2608         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2609         spec.numWorkGroups = IVec3(numElements, 1, 1);
2610
2611         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "decoration group cases", spec));
2612
2613         return group.release();
2614 }
2615
2616 struct SpecConstantTwoIntCase
2617 {
2618         const char*             caseName;
2619         const char*             scDefinition0;
2620         const char*             scDefinition1;
2621         const char*             scResultType;
2622         const char*             scOperation;
2623         deInt32                 scActualValue0;
2624         deInt32                 scActualValue1;
2625         const char*             resultOperation;
2626         vector<deInt32> expectedOutput;
2627
2628                                         SpecConstantTwoIntCase (const char* name,
2629                                                                                         const char* definition0,
2630                                                                                         const char* definition1,
2631                                                                                         const char* resultType,
2632                                                                                         const char* operation,
2633                                                                                         deInt32 value0,
2634                                                                                         deInt32 value1,
2635                                                                                         const char* resultOp,
2636                                                                                         const vector<deInt32>& output)
2637                                                 : caseName                      (name)
2638                                                 , scDefinition0         (definition0)
2639                                                 , scDefinition1         (definition1)
2640                                                 , scResultType          (resultType)
2641                                                 , scOperation           (operation)
2642                                                 , scActualValue0        (value0)
2643                                                 , scActualValue1        (value1)
2644                                                 , resultOperation       (resultOp)
2645                                                 , expectedOutput        (output) {}
2646 };
2647
2648 tcu::TestCaseGroup* createSpecConstantGroup (tcu::TestContext& testCtx)
2649 {
2650         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
2651         vector<SpecConstantTwoIntCase>  cases;
2652         de::Random                                              rnd                             (deStringHash(group->getName()));
2653         const int                                               numElements             = 100;
2654         vector<deInt32>                                 inputInts               (numElements, 0);
2655         vector<deInt32>                                 outputInts1             (numElements, 0);
2656         vector<deInt32>                                 outputInts2             (numElements, 0);
2657         vector<deInt32>                                 outputInts3             (numElements, 0);
2658         vector<deInt32>                                 outputInts4             (numElements, 0);
2659         const StringTemplate                    shaderTemplate  (
2660                 "${CAPABILITIES:opt}"
2661                 + string(getComputeAsmShaderPreamble()) +
2662
2663                 "OpName %main           \"main\"\n"
2664                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2665
2666                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2667                 "OpDecorate %sc_0  SpecId 0\n"
2668                 "OpDecorate %sc_1  SpecId 1\n"
2669                 "OpDecorate %i32arr ArrayStride 4\n"
2670
2671                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2672
2673                 "${OPTYPE_DEFINITIONS:opt}"
2674                 "%buf     = OpTypeStruct %i32arr\n"
2675                 "%bufptr  = OpTypePointer Uniform %buf\n"
2676                 "%indata    = OpVariable %bufptr Uniform\n"
2677                 "%outdata   = OpVariable %bufptr Uniform\n"
2678
2679                 "%id        = OpVariable %uvec3ptr Input\n"
2680                 "%zero      = OpConstant %i32 0\n"
2681
2682                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
2683                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
2684                 "%sc_final  = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n"
2685
2686                 "%main      = OpFunction %void None %voidf\n"
2687                 "%label     = OpLabel\n"
2688                 "${TYPE_CONVERT:opt}"
2689                 "%idval     = OpLoad %uvec3 %id\n"
2690                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2691                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
2692                 "%inval     = OpLoad %i32 %inloc\n"
2693                 "%final     = ${GEN_RESULT}\n"
2694                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
2695                 "             OpStore %outloc %final\n"
2696                 "             OpReturn\n"
2697                 "             OpFunctionEnd\n");
2698
2699         fillRandomScalars(rnd, -65536, 65536, &inputInts[0], numElements);
2700
2701         for (size_t ndx = 0; ndx < numElements; ++ndx)
2702         {
2703                 outputInts1[ndx] = inputInts[ndx] + 42;
2704                 outputInts2[ndx] = inputInts[ndx];
2705                 outputInts3[ndx] = inputInts[ndx] - 11200;
2706                 outputInts4[ndx] = inputInts[ndx] + 1;
2707         }
2708
2709         const char addScToInput[]               = "OpIAdd %i32 %inval %sc_final";
2710         const char addSc32ToInput[]             = "OpIAdd %i32 %inval %sc_final32";
2711         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_final %inval %zero";
2712         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_final %zero %inval";
2713
2714         cases.push_back(SpecConstantTwoIntCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                     62,             -20,    addScToInput,           outputInts1));
2715         cases.push_back(SpecConstantTwoIntCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                     100,    58,             addScToInput,           outputInts1));
2716         cases.push_back(SpecConstantTwoIntCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                     -2,             -21,    addScToInput,           outputInts1));
2717         cases.push_back(SpecConstantTwoIntCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                     -126,   -3,             addScToInput,           outputInts1));
2718         cases.push_back(SpecConstantTwoIntCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                     126,    3,              addScToInput,           outputInts1));
2719         cases.push_back(SpecConstantTwoIntCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
2720         cases.push_back(SpecConstantTwoIntCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
2721         cases.push_back(SpecConstantTwoIntCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                     342,    50,             addScToInput,           outputInts1));
2722         cases.push_back(SpecConstantTwoIntCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                     42,             63,             addScToInput,           outputInts1));
2723         cases.push_back(SpecConstantTwoIntCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                     34,             8,              addScToInput,           outputInts1));
2724         cases.push_back(SpecConstantTwoIntCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                     18,             56,             addScToInput,           outputInts1));
2725         cases.push_back(SpecConstantTwoIntCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
2726         cases.push_back(SpecConstantTwoIntCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
2727         cases.push_back(SpecConstantTwoIntCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                     21,             1,              addScToInput,           outputInts1));
2728         cases.push_back(SpecConstantTwoIntCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                     -20,    -10,    selectTrueUsingSc,      outputInts2));
2729         cases.push_back(SpecConstantTwoIntCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                     10,             20,             selectTrueUsingSc,      outputInts2));
2730         cases.push_back(SpecConstantTwoIntCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
2731         cases.push_back(SpecConstantTwoIntCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                     10,             5,              selectTrueUsingSc,      outputInts2));
2732         cases.push_back(SpecConstantTwoIntCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                     -10,    -10,    selectTrueUsingSc,      outputInts2));
2733         cases.push_back(SpecConstantTwoIntCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                     50,             100,    selectTrueUsingSc,      outputInts2));
2734         cases.push_back(SpecConstantTwoIntCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
2735         cases.push_back(SpecConstantTwoIntCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                     10,             10,             selectTrueUsingSc,      outputInts2));
2736         cases.push_back(SpecConstantTwoIntCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                     42,             24,             selectFalseUsingSc,     outputInts2));
2737         cases.push_back(SpecConstantTwoIntCase("inotequal",                             " %i32 0",              " %i32 0",              "%bool",        "INotEqual            %sc_0 %sc_1",                     42,             24,             selectTrueUsingSc,      outputInts2));
2738         cases.push_back(SpecConstantTwoIntCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
2739         cases.push_back(SpecConstantTwoIntCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
2740         cases.push_back(SpecConstantTwoIntCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
2741         cases.push_back(SpecConstantTwoIntCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
2742         cases.push_back(SpecConstantTwoIntCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                           -42,    0,              addScToInput,           outputInts1));
2743         cases.push_back(SpecConstantTwoIntCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                           -43,    0,              addScToInput,           outputInts1));
2744         cases.push_back(SpecConstantTwoIntCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                           1,              0,              selectFalseUsingSc,     outputInts2));
2745         cases.push_back(SpecConstantTwoIntCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %zero",       1,              42,             addScToInput,           outputInts1));
2746         cases.push_back(SpecConstantTwoIntCase("sconvert",                              " %i32 0",              " %i32 0",              "%i16",         "SConvert             %sc_0",                           -11200, 0,              addSc32ToInput,         outputInts3));
2747         // -969998336 stored as 32-bit two's complement is the binary representation of -11200 as IEEE-754 Float
2748         cases.push_back(SpecConstantTwoIntCase("fconvert",                              " %f32 0",              " %f32 0",              "%f64",         "FConvert             %sc_0",                           -969998336, 0,  addSc32ToInput,         outputInts3));
2749
2750         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2751         {
2752                 map<string, string>             specializations;
2753                 ComputeShaderSpec               spec;
2754                 ComputeTestFeatures             features = COMPUTE_TEST_USES_NONE;
2755
2756                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
2757                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
2758                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
2759                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
2760                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
2761
2762                 // Special SPIR-V code for SConvert-case
2763                 if (strcmp(cases[caseNdx].caseName, "sconvert") == 0)
2764                 {
2765                         features                                                                = COMPUTE_TEST_USES_INT16;
2766                         specializations["CAPABILITIES"]                 = "OpCapability Int16\n";                                                       // Adds 16-bit integer capability
2767                         specializations["OPTYPE_DEFINITIONS"]   = "%i16 = OpTypeInt 16 1\n";                                            // Adds 16-bit integer type
2768                         specializations["TYPE_CONVERT"]                 = "%sc_final32 = OpSConvert %i32 %sc_final\n";          // Converts 16-bit integer to 32-bit integer
2769                 }
2770
2771                 // Special SPIR-V code for FConvert-case
2772                 if (strcmp(cases[caseNdx].caseName, "fconvert") == 0)
2773                 {
2774                         features                                                                = COMPUTE_TEST_USES_FLOAT64;
2775                         specializations["CAPABILITIES"]                 = "OpCapability Float64\n";                                                     // Adds 64-bit float capability
2776                         specializations["OPTYPE_DEFINITIONS"]   = "%f64 = OpTypeFloat 64\n";                                            // Adds 64-bit float type
2777                         specializations["TYPE_CONVERT"]                 = "%sc_final32 = OpConvertFToS %i32 %sc_final\n";       // Converts 64-bit float to 32-bit integer
2778                 }
2779
2780                 spec.assembly = shaderTemplate.specialize(specializations);
2781                 spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
2782                 spec.outputs.push_back(BufferSp(new Int32Buffer(cases[caseNdx].expectedOutput)));
2783                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2784                 spec.specConstants.append(cases[caseNdx].scActualValue0);
2785                 spec.specConstants.append(cases[caseNdx].scActualValue1);
2786
2787                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].caseName, cases[caseNdx].caseName, spec, features));
2788         }
2789
2790         ComputeShaderSpec                               spec;
2791
2792         spec.assembly =
2793                 string(getComputeAsmShaderPreamble()) +
2794
2795                 "OpName %main           \"main\"\n"
2796                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2797
2798                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2799                 "OpDecorate %sc_0  SpecId 0\n"
2800                 "OpDecorate %sc_1  SpecId 1\n"
2801                 "OpDecorate %sc_2  SpecId 2\n"
2802                 "OpDecorate %i32arr ArrayStride 4\n"
2803
2804                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2805
2806                 "%ivec3       = OpTypeVector %i32 3\n"
2807                 "%buf         = OpTypeStruct %i32arr\n"
2808                 "%bufptr      = OpTypePointer Uniform %buf\n"
2809                 "%indata      = OpVariable %bufptr Uniform\n"
2810                 "%outdata     = OpVariable %bufptr Uniform\n"
2811
2812                 "%id          = OpVariable %uvec3ptr Input\n"
2813                 "%zero        = OpConstant %i32 0\n"
2814                 "%ivec3_0     = OpConstantComposite %ivec3 %zero %zero %zero\n"
2815                 "%vec3_undef  = OpUndef %ivec3\n"
2816
2817                 "%sc_0        = OpSpecConstant %i32 0\n"
2818                 "%sc_1        = OpSpecConstant %i32 0\n"
2819                 "%sc_2        = OpSpecConstant %i32 0\n"
2820                 "%sc_vec3_0   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_0        %ivec3_0     0\n"                                                 // (sc_0, 0, 0)
2821                 "%sc_vec3_1   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_1        %ivec3_0     1\n"                                                 // (0, sc_1, 0)
2822                 "%sc_vec3_2   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_2        %ivec3_0     2\n"                                                 // (0, 0, sc_2)
2823                 "%sc_vec3_0_s = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0   %vec3_undef  0          0xFFFFFFFF 2\n"   // (sc_0, ???,  0)
2824                 "%sc_vec3_1_s = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_1   %vec3_undef  0xFFFFFFFF 1          0\n"   // (???,  sc_1, 0)
2825                 "%sc_vec3_2_s = OpSpecConstantOp %ivec3 VectorShuffle    %vec3_undef  %sc_vec3_2   5          0xFFFFFFFF 5\n"   // (sc_2, ???,  sc_2)
2826                 "%sc_vec3_01  = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0_s %sc_vec3_1_s 1 0 4\n"                                             // (0,    sc_0, sc_1)
2827                 "%sc_vec3_012 = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_01  %sc_vec3_2_s 5 1 2\n"                                             // (sc_2, sc_0, sc_1)
2828                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              0\n"                                                 // sc_2
2829                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              1\n"                                                 // sc_0
2830                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              2\n"                                                 // sc_1
2831                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"                                                              // (sc_2 - sc_0)
2832                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n"                                                              // (sc_2 - sc_0) * sc_1
2833
2834                 "%main      = OpFunction %void None %voidf\n"
2835                 "%label     = OpLabel\n"
2836                 "%idval     = OpLoad %uvec3 %id\n"
2837                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2838                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
2839                 "%inval     = OpLoad %i32 %inloc\n"
2840                 "%final     = OpIAdd %i32 %inval %sc_final\n"
2841                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
2842                 "             OpStore %outloc %final\n"
2843                 "             OpReturn\n"
2844                 "             OpFunctionEnd\n";
2845         spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
2846         spec.outputs.push_back(BufferSp(new Int32Buffer(outputInts3)));
2847         spec.numWorkGroups = IVec3(numElements, 1, 1);
2848         spec.specConstants.append<deInt32>(123);
2849         spec.specConstants.append<deInt32>(56);
2850         spec.specConstants.append<deInt32>(-77);
2851
2852         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector_related", "VectorShuffle, CompositeExtract, & CompositeInsert", spec));
2853
2854         return group.release();
2855 }
2856
2857 void createOpPhiVartypeTests (de::MovePtr<tcu::TestCaseGroup>& group, tcu::TestContext& testCtx)
2858 {
2859         ComputeShaderSpec       specInt;
2860         ComputeShaderSpec       specFloat;
2861         ComputeShaderSpec       specVec3;
2862         ComputeShaderSpec       specMat4;
2863         ComputeShaderSpec       specArray;
2864         ComputeShaderSpec       specStruct;
2865         de::Random                      rnd                             (deStringHash(group->getName()));
2866         const int                       numElements             = 100;
2867         vector<float>           inputFloats             (numElements, 0);
2868         vector<float>           outputFloats    (numElements, 0);
2869
2870         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats[0], numElements);
2871
2872         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2873         floorAll(inputFloats);
2874
2875         for (size_t ndx = 0; ndx < numElements; ++ndx)
2876         {
2877                 // Just check if the value is positive or not
2878                 outputFloats[ndx] = (inputFloats[ndx] > 0) ? 1.0f : -1.0f;
2879         }
2880
2881         // All of the tests are of the form:
2882         //
2883         // testtype r
2884         //
2885         // if (inputdata > 0)
2886         //   r = 1
2887         // else
2888         //   r = -1
2889         //
2890         // return (float)r
2891
2892         specFloat.assembly =
2893                 string(getComputeAsmShaderPreamble()) +
2894
2895                 "OpSource GLSL 430\n"
2896                 "OpName %main \"main\"\n"
2897                 "OpName %id \"gl_GlobalInvocationID\"\n"
2898
2899                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2900
2901                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2902
2903                 "%id = OpVariable %uvec3ptr Input\n"
2904                 "%zero       = OpConstant %i32 0\n"
2905                 "%float_0    = OpConstant %f32 0.0\n"
2906                 "%float_1    = OpConstant %f32 1.0\n"
2907                 "%float_n1   = OpConstant %f32 -1.0\n"
2908
2909                 "%main     = OpFunction %void None %voidf\n"
2910                 "%entry    = OpLabel\n"
2911                 "%idval    = OpLoad %uvec3 %id\n"
2912                 "%x        = OpCompositeExtract %u32 %idval 0\n"
2913                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
2914                 "%inval    = OpLoad %f32 %inloc\n"
2915
2916                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
2917                 "            OpSelectionMerge %cm None\n"
2918                 "            OpBranchConditional %comp %tb %fb\n"
2919                 "%tb       = OpLabel\n"
2920                 "            OpBranch %cm\n"
2921                 "%fb       = OpLabel\n"
2922                 "            OpBranch %cm\n"
2923                 "%cm       = OpLabel\n"
2924                 "%res      = OpPhi %f32 %float_1 %tb %float_n1 %fb\n"
2925
2926                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
2927                 "            OpStore %outloc %res\n"
2928                 "            OpReturn\n"
2929
2930                 "            OpFunctionEnd\n";
2931         specFloat.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2932         specFloat.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2933         specFloat.numWorkGroups = IVec3(numElements, 1, 1);
2934
2935         specMat4.assembly =
2936                 string(getComputeAsmShaderPreamble()) +
2937
2938                 "OpSource GLSL 430\n"
2939                 "OpName %main \"main\"\n"
2940                 "OpName %id \"gl_GlobalInvocationID\"\n"
2941
2942                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2943
2944                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2945
2946                 "%id = OpVariable %uvec3ptr Input\n"
2947                 "%v4f32      = OpTypeVector %f32 4\n"
2948                 "%mat4v4f32  = OpTypeMatrix %v4f32 4\n"
2949                 "%zero       = OpConstant %i32 0\n"
2950                 "%float_0    = OpConstant %f32 0.0\n"
2951                 "%float_1    = OpConstant %f32 1.0\n"
2952                 "%float_n1   = OpConstant %f32 -1.0\n"
2953                 "%m11        = OpConstantComposite %v4f32 %float_1 %float_0 %float_0 %float_0\n"
2954                 "%m12        = OpConstantComposite %v4f32 %float_0 %float_1 %float_0 %float_0\n"
2955                 "%m13        = OpConstantComposite %v4f32 %float_0 %float_0 %float_1 %float_0\n"
2956                 "%m14        = OpConstantComposite %v4f32 %float_0 %float_0 %float_0 %float_1\n"
2957                 "%m1         = OpConstantComposite %mat4v4f32 %m11 %m12 %m13 %m14\n"
2958                 "%m21        = OpConstantComposite %v4f32 %float_n1 %float_0 %float_0 %float_0\n"
2959                 "%m22        = OpConstantComposite %v4f32 %float_0 %float_n1 %float_0 %float_0\n"
2960                 "%m23        = OpConstantComposite %v4f32 %float_0 %float_0 %float_n1 %float_0\n"
2961                 "%m24        = OpConstantComposite %v4f32 %float_0 %float_0 %float_0 %float_n1\n"
2962                 "%m2         = OpConstantComposite %mat4v4f32 %m21 %m22 %m23 %m24\n"
2963
2964                 "%main     = OpFunction %void None %voidf\n"
2965                 "%entry    = OpLabel\n"
2966                 "%idval    = OpLoad %uvec3 %id\n"
2967                 "%x        = OpCompositeExtract %u32 %idval 0\n"
2968                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
2969                 "%inval    = OpLoad %f32 %inloc\n"
2970
2971                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
2972                 "            OpSelectionMerge %cm None\n"
2973                 "            OpBranchConditional %comp %tb %fb\n"
2974                 "%tb       = OpLabel\n"
2975                 "            OpBranch %cm\n"
2976                 "%fb       = OpLabel\n"
2977                 "            OpBranch %cm\n"
2978                 "%cm       = OpLabel\n"
2979                 "%mres     = OpPhi %mat4v4f32 %m1 %tb %m2 %fb\n"
2980                 "%res      = OpCompositeExtract %f32 %mres 2 2\n"
2981
2982                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
2983                 "            OpStore %outloc %res\n"
2984                 "            OpReturn\n"
2985
2986                 "            OpFunctionEnd\n";
2987         specMat4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2988         specMat4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2989         specMat4.numWorkGroups = IVec3(numElements, 1, 1);
2990
2991         specVec3.assembly =
2992                 string(getComputeAsmShaderPreamble()) +
2993
2994                 "OpSource GLSL 430\n"
2995                 "OpName %main \"main\"\n"
2996                 "OpName %id \"gl_GlobalInvocationID\"\n"
2997
2998                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2999
3000                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3001
3002                 "%id = OpVariable %uvec3ptr Input\n"
3003                 "%zero       = OpConstant %i32 0\n"
3004                 "%float_0    = OpConstant %f32 0.0\n"
3005                 "%float_1    = OpConstant %f32 1.0\n"
3006                 "%float_n1   = OpConstant %f32 -1.0\n"
3007                 "%v1         = OpConstantComposite %fvec3 %float_1 %float_1 %float_1\n"
3008                 "%v2         = OpConstantComposite %fvec3 %float_n1 %float_n1 %float_n1\n"
3009
3010                 "%main     = OpFunction %void None %voidf\n"
3011                 "%entry    = OpLabel\n"
3012                 "%idval    = OpLoad %uvec3 %id\n"
3013                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3014                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3015                 "%inval    = OpLoad %f32 %inloc\n"
3016
3017                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
3018                 "            OpSelectionMerge %cm None\n"
3019                 "            OpBranchConditional %comp %tb %fb\n"
3020                 "%tb       = OpLabel\n"
3021                 "            OpBranch %cm\n"
3022                 "%fb       = OpLabel\n"
3023                 "            OpBranch %cm\n"
3024                 "%cm       = OpLabel\n"
3025                 "%vres     = OpPhi %fvec3 %v1 %tb %v2 %fb\n"
3026                 "%res      = OpCompositeExtract %f32 %vres 2\n"
3027
3028                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3029                 "            OpStore %outloc %res\n"
3030                 "            OpReturn\n"
3031
3032                 "            OpFunctionEnd\n";
3033         specVec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3034         specVec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3035         specVec3.numWorkGroups = IVec3(numElements, 1, 1);
3036
3037         specInt.assembly =
3038                 string(getComputeAsmShaderPreamble()) +
3039
3040                 "OpSource GLSL 430\n"
3041                 "OpName %main \"main\"\n"
3042                 "OpName %id \"gl_GlobalInvocationID\"\n"
3043
3044                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3045
3046                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3047
3048                 "%id = OpVariable %uvec3ptr Input\n"
3049                 "%zero       = OpConstant %i32 0\n"
3050                 "%float_0    = OpConstant %f32 0.0\n"
3051                 "%i1         = OpConstant %i32 1\n"
3052                 "%i2         = OpConstant %i32 -1\n"
3053
3054                 "%main     = OpFunction %void None %voidf\n"
3055                 "%entry    = OpLabel\n"
3056                 "%idval    = OpLoad %uvec3 %id\n"
3057                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3058                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3059                 "%inval    = OpLoad %f32 %inloc\n"
3060
3061                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
3062                 "            OpSelectionMerge %cm None\n"
3063                 "            OpBranchConditional %comp %tb %fb\n"
3064                 "%tb       = OpLabel\n"
3065                 "            OpBranch %cm\n"
3066                 "%fb       = OpLabel\n"
3067                 "            OpBranch %cm\n"
3068                 "%cm       = OpLabel\n"
3069                 "%ires     = OpPhi %i32 %i1 %tb %i2 %fb\n"
3070                 "%res      = OpConvertSToF %f32 %ires\n"
3071
3072                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3073                 "            OpStore %outloc %res\n"
3074                 "            OpReturn\n"
3075
3076                 "            OpFunctionEnd\n";
3077         specInt.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3078         specInt.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3079         specInt.numWorkGroups = IVec3(numElements, 1, 1);
3080
3081         specArray.assembly =
3082                 string(getComputeAsmShaderPreamble()) +
3083
3084                 "OpSource GLSL 430\n"
3085                 "OpName %main \"main\"\n"
3086                 "OpName %id \"gl_GlobalInvocationID\"\n"
3087
3088                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3089
3090                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3091
3092                 "%id = OpVariable %uvec3ptr Input\n"
3093                 "%zero       = OpConstant %i32 0\n"
3094                 "%u7         = OpConstant %u32 7\n"
3095                 "%float_0    = OpConstant %f32 0.0\n"
3096                 "%float_1    = OpConstant %f32 1.0\n"
3097                 "%float_n1   = OpConstant %f32 -1.0\n"
3098                 "%f32a7      = OpTypeArray %f32 %u7\n"
3099                 "%a1         = OpConstantComposite %f32a7 %float_1 %float_1 %float_1 %float_1 %float_1 %float_1 %float_1\n"
3100                 "%a2         = OpConstantComposite %f32a7 %float_n1 %float_n1 %float_n1 %float_n1 %float_n1 %float_n1 %float_n1\n"
3101                 "%main     = OpFunction %void None %voidf\n"
3102                 "%entry    = OpLabel\n"
3103                 "%idval    = OpLoad %uvec3 %id\n"
3104                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3105                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3106                 "%inval    = OpLoad %f32 %inloc\n"
3107
3108                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
3109                 "            OpSelectionMerge %cm None\n"
3110                 "            OpBranchConditional %comp %tb %fb\n"
3111                 "%tb       = OpLabel\n"
3112                 "            OpBranch %cm\n"
3113                 "%fb       = OpLabel\n"
3114                 "            OpBranch %cm\n"
3115                 "%cm       = OpLabel\n"
3116                 "%ares     = OpPhi %f32a7 %a1 %tb %a2 %fb\n"
3117                 "%res      = OpCompositeExtract %f32 %ares 5\n"
3118
3119                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3120                 "            OpStore %outloc %res\n"
3121                 "            OpReturn\n"
3122
3123                 "            OpFunctionEnd\n";
3124         specArray.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3125         specArray.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3126         specArray.numWorkGroups = IVec3(numElements, 1, 1);
3127
3128         specStruct.assembly =
3129                 string(getComputeAsmShaderPreamble()) +
3130
3131                 "OpSource GLSL 430\n"
3132                 "OpName %main \"main\"\n"
3133                 "OpName %id \"gl_GlobalInvocationID\"\n"
3134
3135                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3136
3137                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3138
3139                 "%id = OpVariable %uvec3ptr Input\n"
3140                 "%zero       = OpConstant %i32 0\n"
3141                 "%float_0    = OpConstant %f32 0.0\n"
3142                 "%float_1    = OpConstant %f32 1.0\n"
3143                 "%float_n1   = OpConstant %f32 -1.0\n"
3144
3145                 "%v2f32      = OpTypeVector %f32 2\n"
3146                 "%Data2      = OpTypeStruct %f32 %v2f32\n"
3147                 "%Data       = OpTypeStruct %Data2 %f32\n"
3148
3149                 "%in1a       = OpConstantComposite %v2f32 %float_1 %float_1\n"
3150                 "%in1b       = OpConstantComposite %Data2 %float_1 %in1a\n"
3151                 "%s1         = OpConstantComposite %Data %in1b %float_1\n"
3152                 "%in2a       = OpConstantComposite %v2f32 %float_n1 %float_n1\n"
3153                 "%in2b       = OpConstantComposite %Data2 %float_n1 %in2a\n"
3154                 "%s2         = OpConstantComposite %Data %in2b %float_n1\n"
3155
3156                 "%main     = OpFunction %void None %voidf\n"
3157                 "%entry    = OpLabel\n"
3158                 "%idval    = OpLoad %uvec3 %id\n"
3159                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3160                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3161                 "%inval    = OpLoad %f32 %inloc\n"
3162
3163                 "%comp     = OpFOrdGreaterThan %bool %inval %float_0\n"
3164                 "            OpSelectionMerge %cm None\n"
3165                 "            OpBranchConditional %comp %tb %fb\n"
3166                 "%tb       = OpLabel\n"
3167                 "            OpBranch %cm\n"
3168                 "%fb       = OpLabel\n"
3169                 "            OpBranch %cm\n"
3170                 "%cm       = OpLabel\n"
3171                 "%sres     = OpPhi %Data %s1 %tb %s2 %fb\n"
3172                 "%res      = OpCompositeExtract %f32 %sres 0 0\n"
3173
3174                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3175                 "            OpStore %outloc %res\n"
3176                 "            OpReturn\n"
3177
3178                 "            OpFunctionEnd\n";
3179         specStruct.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3180         specStruct.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3181         specStruct.numWorkGroups = IVec3(numElements, 1, 1);
3182
3183         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_int", "OpPhi with int variables", specInt));
3184         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_float", "OpPhi with float variables", specFloat));
3185         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_vec3", "OpPhi with vec3 variables", specVec3));
3186         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_mat4", "OpPhi with mat4 variables", specMat4));
3187         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_array", "OpPhi with array variables", specArray));
3188         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vartype_struct", "OpPhi with struct variables", specStruct));
3189 }
3190
3191 string generateConstantDefinitions (int count)
3192 {
3193         std::ostringstream      r;
3194         for (int i = 0; i < count; i++)
3195                 r << "%cf" << (i * 10 + 5) << " = OpConstant %f32 " <<(i * 10 + 5) << ".0\n";
3196         r << "\n";
3197         return r.str();
3198 }
3199
3200 string generateSwitchCases (int count)
3201 {
3202         std::ostringstream      r;
3203         for (int i = 0; i < count; i++)
3204                 r << " " << i << " %case" << i;
3205         r << "\n";
3206         return r.str();
3207 }
3208
3209 string generateSwitchTargets (int count)
3210 {
3211         std::ostringstream      r;
3212         for (int i = 0; i < count; i++)
3213                 r << "%case" << i << " = OpLabel\n            OpBranch %phi\n";
3214         r << "\n";
3215         return r.str();
3216 }
3217
3218 string generateOpPhiParams (int count)
3219 {
3220         std::ostringstream      r;
3221         for (int i = 0; i < count; i++)
3222                 r << " %cf" << (i * 10 + 5) << " %case" << i;
3223         r << "\n";
3224         return r.str();
3225 }
3226
3227 string generateIntWidth (int value)
3228 {
3229         std::ostringstream      r;
3230         r << value;
3231         return r.str();
3232 }
3233
3234 // Expand input string by injecting "ABC" between the input
3235 // string characters. The acc/add/treshold parameters are used
3236 // to skip some of the injections to make the result less
3237 // uniform (and a lot shorter).
3238 string expandOpPhiCase5 (const string& s, int &acc, int add, int treshold)
3239 {
3240         std::ostringstream      res;
3241         const char*                     p = s.c_str();
3242
3243         while (*p)
3244         {
3245                 res << *p;
3246                 acc += add;
3247                 if (acc > treshold)
3248                 {
3249                         acc -= treshold;
3250                         res << "ABC";
3251                 }
3252                 p++;
3253         }
3254         return res.str();
3255 }
3256
3257 // Calculate expected result based on the code string
3258 float calcOpPhiCase5 (float val, const string& s)
3259 {
3260         const char*             p               = s.c_str();
3261         float                   x[8];
3262         bool                    b[8];
3263         const float             tv[8]   = { 0.5f, 1.5f, 3.5f, 7.5f, 15.5f, 31.5f, 63.5f, 127.5f };
3264         const float             v               = deFloatAbs(val);
3265         float                   res             = 0;
3266         int                             depth   = -1;
3267         int                             skip    = 0;
3268
3269         for (int i = 7; i >= 0; --i)
3270                 x[i] = std::fmod((float)v, (float)(2 << i));
3271         for (int i = 7; i >= 0; --i)
3272                 b[i] = x[i] > tv[i];
3273
3274         while (*p)
3275         {
3276                 if (*p == 'A')
3277                 {
3278                         depth++;
3279                         if (skip == 0 && b[depth])
3280                         {
3281                                 res++;
3282                         }
3283                         else
3284                                 skip++;
3285                 }
3286                 if (*p == 'B')
3287                 {
3288                         if (skip)
3289                                 skip--;
3290                         if (b[depth] || skip)
3291                                 skip++;
3292                 }
3293                 if (*p == 'C')
3294                 {
3295                         depth--;
3296                         if (skip)
3297                                 skip--;
3298                 }
3299                 p++;
3300         }
3301         return res;
3302 }
3303
3304 // In the code string, the letters represent the following:
3305 //
3306 // A:
3307 //     if (certain bit is set)
3308 //     {
3309 //       result++;
3310 //
3311 // B:
3312 //     } else {
3313 //
3314 // C:
3315 //     }
3316 //
3317 // examples:
3318 // AABCBC leads to if(){r++;if(){r++;}else{}}else{}
3319 // ABABCC leads to if(){r++;}else{if(){r++;}else{}}
3320 // ABCABC leads to if(){r++;}else{}if(){r++;}else{}
3321 //
3322 // Code generation gets a bit complicated due to the else-branches,
3323 // which do not generate new values. Thus, the generator needs to
3324 // keep track of the previous variable change seen by the else
3325 // branch.
3326 string generateOpPhiCase5 (const string& s)
3327 {
3328         std::stack<int>                         idStack;
3329         std::stack<std::string>         value;
3330         std::stack<std::string>         valueLabel;
3331         std::stack<std::string>         mergeLeft;
3332         std::stack<std::string>         mergeRight;
3333         std::ostringstream                      res;
3334         const char*                                     p                       = s.c_str();
3335         int                                                     depth           = -1;
3336         int                                                     currId          = 0;
3337         int                                                     iter            = 0;
3338
3339         idStack.push(-1);
3340         value.push("%f32_0");
3341         valueLabel.push("%f32_0 %entry");
3342
3343         while (*p)
3344         {
3345                 if (*p == 'A')
3346                 {
3347                         depth++;
3348                         currId = iter;
3349                         idStack.push(currId);
3350                         res << "\tOpSelectionMerge %m" << currId << " None\n";
3351                         res << "\tOpBranchConditional %b" << depth << " %t" << currId << " %f" << currId << "\n";
3352                         res << "%t" << currId << " = OpLabel\n";
3353                         res << "%rt" << currId << " = OpFAdd %f32 " << value.top() << " %f32_1\n";
3354                         std::ostringstream tag;
3355                         tag << "%rt" << currId;
3356                         value.push(tag.str());
3357                         tag << " %t" << currId;
3358                         valueLabel.push(tag.str());
3359                 }
3360
3361                 if (*p == 'B')
3362                 {
3363                         mergeLeft.push(valueLabel.top());
3364                         value.pop();
3365                         valueLabel.pop();
3366                         res << "\tOpBranch %m" << currId << "\n";
3367                         res << "%f" << currId << " = OpLabel\n";
3368                         std::ostringstream tag;
3369                         tag << value.top() << " %f" << currId;
3370                         valueLabel.pop();
3371                         valueLabel.push(tag.str());
3372                 }
3373
3374                 if (*p == 'C')
3375                 {
3376                         mergeRight.push(valueLabel.top());
3377                         res << "\tOpBranch %m" << currId << "\n";
3378                         res << "%m" << currId << " = OpLabel\n";
3379                         if (*(p + 1) == 0)
3380                                 res << "%res"; // last result goes to %res
3381                         else
3382                                 res << "%rm" << currId;
3383                         res << " = OpPhi %f32  " << mergeLeft.top() << "  " << mergeRight.top() << "\n";
3384                         std::ostringstream tag;
3385                         tag << "%rm" << currId;
3386                         value.pop();
3387                         value.push(tag.str());
3388                         tag << " %m" << currId;
3389                         valueLabel.pop();
3390                         valueLabel.push(tag.str());
3391                         mergeLeft.pop();
3392                         mergeRight.pop();
3393                         depth--;
3394                         idStack.pop();
3395                         currId = idStack.top();
3396                 }
3397                 p++;
3398                 iter++;
3399         }
3400         return res.str();
3401 }
3402
3403 tcu::TestCaseGroup* createOpPhiGroup (tcu::TestContext& testCtx)
3404 {
3405         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
3406         ComputeShaderSpec                               spec1;
3407         ComputeShaderSpec                               spec2;
3408         ComputeShaderSpec                               spec3;
3409         ComputeShaderSpec                               spec4;
3410         ComputeShaderSpec                               spec5;
3411         de::Random                                              rnd                             (deStringHash(group->getName()));
3412         const int                                               numElements             = 100;
3413         vector<float>                                   inputFloats             (numElements, 0);
3414         vector<float>                                   outputFloats1   (numElements, 0);
3415         vector<float>                                   outputFloats2   (numElements, 0);
3416         vector<float>                                   outputFloats3   (numElements, 0);
3417         vector<float>                                   outputFloats4   (numElements, 0);
3418         vector<float>                                   outputFloats5   (numElements, 0);
3419         std::string                                             codestring              = "ABC";
3420         const int                                               test4Width              = 1024;
3421
3422         // Build case 5 code string. Each iteration makes the hierarchy more complicated.
3423         // 9 iterations with (7, 24) parameters makes the hierarchy 8 deep with about 1500 lines of
3424         // shader code.
3425         for (int i = 0, acc = 0; i < 9; i++)
3426                 codestring = expandOpPhiCase5(codestring, acc, 7, 24);
3427
3428         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats[0], numElements);
3429
3430         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3431         floorAll(inputFloats);
3432
3433         for (size_t ndx = 0; ndx < numElements; ++ndx)
3434         {
3435                 switch (ndx % 3)
3436                 {
3437                         case 0:         outputFloats1[ndx] = inputFloats[ndx] + 5.5f;   break;
3438                         case 1:         outputFloats1[ndx] = inputFloats[ndx] + 20.5f;  break;
3439                         case 2:         outputFloats1[ndx] = inputFloats[ndx] + 1.75f;  break;
3440                         default:        break;
3441                 }
3442                 outputFloats2[ndx] = inputFloats[ndx] + 6.5f * 3;
3443                 outputFloats3[ndx] = 8.5f - inputFloats[ndx];
3444
3445                 int index4 = (int)deFloor(deAbs((float)ndx * inputFloats[ndx]));
3446                 outputFloats4[ndx] = (float)(index4 % test4Width) * 10.0f + 5.0f;
3447
3448                 outputFloats5[ndx] = calcOpPhiCase5(inputFloats[ndx], codestring);
3449         }
3450
3451         spec1.assembly =
3452                 string(getComputeAsmShaderPreamble()) +
3453
3454                 "OpSource GLSL 430\n"
3455                 "OpName %main \"main\"\n"
3456                 "OpName %id \"gl_GlobalInvocationID\"\n"
3457
3458                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3459
3460                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3461
3462                 "%id = OpVariable %uvec3ptr Input\n"
3463                 "%zero       = OpConstant %i32 0\n"
3464                 "%three      = OpConstant %u32 3\n"
3465                 "%constf5p5  = OpConstant %f32 5.5\n"
3466                 "%constf20p5 = OpConstant %f32 20.5\n"
3467                 "%constf1p75 = OpConstant %f32 1.75\n"
3468                 "%constf8p5  = OpConstant %f32 8.5\n"
3469                 "%constf6p5  = OpConstant %f32 6.5\n"
3470
3471                 "%main     = OpFunction %void None %voidf\n"
3472                 "%entry    = OpLabel\n"
3473                 "%idval    = OpLoad %uvec3 %id\n"
3474                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3475                 "%selector = OpUMod %u32 %x %three\n"
3476                 "            OpSelectionMerge %phi None\n"
3477                 "            OpSwitch %selector %default 0 %case0 1 %case1 2 %case2\n"
3478
3479                 // Case 1 before OpPhi.
3480                 "%case1    = OpLabel\n"
3481                 "            OpBranch %phi\n"
3482
3483                 "%default  = OpLabel\n"
3484                 "            OpUnreachable\n"
3485
3486                 "%phi      = OpLabel\n"
3487                 "%operand  = OpPhi %f32   %constf1p75 %case2   %constf20p5 %case1   %constf5p5 %case0\n" // not in the order of blocks
3488                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3489                 "%inval    = OpLoad %f32 %inloc\n"
3490                 "%add      = OpFAdd %f32 %inval %operand\n"
3491                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3492                 "            OpStore %outloc %add\n"
3493                 "            OpReturn\n"
3494
3495                 // Case 0 after OpPhi.
3496                 "%case0    = OpLabel\n"
3497                 "            OpBranch %phi\n"
3498
3499
3500                 // Case 2 after OpPhi.
3501                 "%case2    = OpLabel\n"
3502                 "            OpBranch %phi\n"
3503
3504                 "            OpFunctionEnd\n";
3505         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3506         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
3507         spec1.numWorkGroups = IVec3(numElements, 1, 1);
3508
3509         group->addChild(new SpvAsmComputeShaderCase(testCtx, "block", "out-of-order and unreachable blocks for OpPhi", spec1));
3510
3511         spec2.assembly =
3512                 string(getComputeAsmShaderPreamble()) +
3513
3514                 "OpName %main \"main\"\n"
3515                 "OpName %id \"gl_GlobalInvocationID\"\n"
3516
3517                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3518
3519                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3520
3521                 "%id         = OpVariable %uvec3ptr Input\n"
3522                 "%zero       = OpConstant %i32 0\n"
3523                 "%one        = OpConstant %i32 1\n"
3524                 "%three      = OpConstant %i32 3\n"
3525                 "%constf6p5  = OpConstant %f32 6.5\n"
3526
3527                 "%main       = OpFunction %void None %voidf\n"
3528                 "%entry      = OpLabel\n"
3529                 "%idval      = OpLoad %uvec3 %id\n"
3530                 "%x          = OpCompositeExtract %u32 %idval 0\n"
3531                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
3532                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
3533                 "%inval      = OpLoad %f32 %inloc\n"
3534                 "              OpBranch %phi\n"
3535
3536                 "%phi        = OpLabel\n"
3537                 "%step       = OpPhi %i32 %zero  %entry %step_next  %phi\n"
3538                 "%accum      = OpPhi %f32 %inval %entry %accum_next %phi\n"
3539                 "%step_next  = OpIAdd %i32 %step %one\n"
3540                 "%accum_next = OpFAdd %f32 %accum %constf6p5\n"
3541                 "%still_loop = OpSLessThan %bool %step %three\n"
3542                 "              OpLoopMerge %exit %phi None\n"
3543                 "              OpBranchConditional %still_loop %phi %exit\n"
3544
3545                 "%exit       = OpLabel\n"
3546                 "              OpStore %outloc %accum\n"
3547                 "              OpReturn\n"
3548                 "              OpFunctionEnd\n";
3549         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3550         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
3551         spec2.numWorkGroups = IVec3(numElements, 1, 1);
3552
3553         group->addChild(new SpvAsmComputeShaderCase(testCtx, "induction", "The usual way induction variables are handled in LLVM IR", spec2));
3554
3555         spec3.assembly =
3556                 string(getComputeAsmShaderPreamble()) +
3557
3558                 "OpName %main \"main\"\n"
3559                 "OpName %id \"gl_GlobalInvocationID\"\n"
3560
3561                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3562
3563                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3564
3565                 "%f32ptr_f   = OpTypePointer Function %f32\n"
3566                 "%id         = OpVariable %uvec3ptr Input\n"
3567                 "%true       = OpConstantTrue %bool\n"
3568                 "%false      = OpConstantFalse %bool\n"
3569                 "%zero       = OpConstant %i32 0\n"
3570                 "%constf8p5  = OpConstant %f32 8.5\n"
3571
3572                 "%main       = OpFunction %void None %voidf\n"
3573                 "%entry      = OpLabel\n"
3574                 "%b          = OpVariable %f32ptr_f Function %constf8p5\n"
3575                 "%idval      = OpLoad %uvec3 %id\n"
3576                 "%x          = OpCompositeExtract %u32 %idval 0\n"
3577                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
3578                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
3579                 "%a_init     = OpLoad %f32 %inloc\n"
3580                 "%b_init     = OpLoad %f32 %b\n"
3581                 "              OpBranch %phi\n"
3582
3583                 "%phi        = OpLabel\n"
3584                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
3585                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
3586                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
3587                 "              OpLoopMerge %exit %phi None\n"
3588                 "              OpBranchConditional %still_loop %phi %exit\n"
3589
3590                 "%exit       = OpLabel\n"
3591                 "%sub        = OpFSub %f32 %a_next %b_next\n"
3592                 "              OpStore %outloc %sub\n"
3593                 "              OpReturn\n"
3594                 "              OpFunctionEnd\n";
3595         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3596         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
3597         spec3.numWorkGroups = IVec3(numElements, 1, 1);
3598
3599         group->addChild(new SpvAsmComputeShaderCase(testCtx, "swap", "Swap the values of two variables using OpPhi", spec3));
3600
3601         spec4.assembly =
3602                 "OpCapability Shader\n"
3603                 "%ext = OpExtInstImport \"GLSL.std.450\"\n"
3604                 "OpMemoryModel Logical GLSL450\n"
3605                 "OpEntryPoint GLCompute %main \"main\" %id\n"
3606                 "OpExecutionMode %main LocalSize 1 1 1\n"
3607
3608                 "OpSource GLSL 430\n"
3609                 "OpName %main \"main\"\n"
3610                 "OpName %id \"gl_GlobalInvocationID\"\n"
3611
3612                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3613
3614                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3615
3616                 "%id       = OpVariable %uvec3ptr Input\n"
3617                 "%zero     = OpConstant %i32 0\n"
3618                 "%cimod    = OpConstant %u32 " + generateIntWidth(test4Width) + "\n"
3619
3620                 + generateConstantDefinitions(test4Width) +
3621
3622                 "%main     = OpFunction %void None %voidf\n"
3623                 "%entry    = OpLabel\n"
3624                 "%idval    = OpLoad %uvec3 %id\n"
3625                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3626                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3627                 "%inval    = OpLoad %f32 %inloc\n"
3628                 "%xf       = OpConvertUToF %f32 %x\n"
3629                 "%xm       = OpFMul %f32 %xf %inval\n"
3630                 "%xa       = OpExtInst %f32 %ext FAbs %xm\n"
3631                 "%xi       = OpConvertFToU %u32 %xa\n"
3632                 "%selector = OpUMod %u32 %xi %cimod\n"
3633                 "            OpSelectionMerge %phi None\n"
3634                 "            OpSwitch %selector %default "
3635
3636                 + generateSwitchCases(test4Width) +
3637
3638                 "%default  = OpLabel\n"
3639                 "            OpUnreachable\n"
3640
3641                 + generateSwitchTargets(test4Width) +
3642
3643                 "%phi      = OpLabel\n"
3644                 "%result   = OpPhi %f32"
3645
3646                 + generateOpPhiParams(test4Width) +
3647
3648                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3649                 "            OpStore %outloc %result\n"
3650                 "            OpReturn\n"
3651
3652                 "            OpFunctionEnd\n";
3653         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3654         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
3655         spec4.numWorkGroups = IVec3(numElements, 1, 1);
3656
3657         group->addChild(new SpvAsmComputeShaderCase(testCtx, "wide", "OpPhi with a lot of parameters", spec4));
3658
3659         spec5.assembly =
3660                 "OpCapability Shader\n"
3661                 "%ext      = OpExtInstImport \"GLSL.std.450\"\n"
3662                 "OpMemoryModel Logical GLSL450\n"
3663                 "OpEntryPoint GLCompute %main \"main\" %id\n"
3664                 "OpExecutionMode %main LocalSize 1 1 1\n"
3665                 "%code     = OpString \"" + codestring + "\"\n"
3666
3667                 "OpSource GLSL 430\n"
3668                 "OpName %main \"main\"\n"
3669                 "OpName %id \"gl_GlobalInvocationID\"\n"
3670
3671                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3672
3673                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3674
3675                 "%id       = OpVariable %uvec3ptr Input\n"
3676                 "%zero     = OpConstant %i32 0\n"
3677                 "%f32_0    = OpConstant %f32 0.0\n"
3678                 "%f32_0_5  = OpConstant %f32 0.5\n"
3679                 "%f32_1    = OpConstant %f32 1.0\n"
3680                 "%f32_1_5  = OpConstant %f32 1.5\n"
3681                 "%f32_2    = OpConstant %f32 2.0\n"
3682                 "%f32_3_5  = OpConstant %f32 3.5\n"
3683                 "%f32_4    = OpConstant %f32 4.0\n"
3684                 "%f32_7_5  = OpConstant %f32 7.5\n"
3685                 "%f32_8    = OpConstant %f32 8.0\n"
3686                 "%f32_15_5 = OpConstant %f32 15.5\n"
3687                 "%f32_16   = OpConstant %f32 16.0\n"
3688                 "%f32_31_5 = OpConstant %f32 31.5\n"
3689                 "%f32_32   = OpConstant %f32 32.0\n"
3690                 "%f32_63_5 = OpConstant %f32 63.5\n"
3691                 "%f32_64   = OpConstant %f32 64.0\n"
3692                 "%f32_127_5 = OpConstant %f32 127.5\n"
3693                 "%f32_128  = OpConstant %f32 128.0\n"
3694                 "%f32_256  = OpConstant %f32 256.0\n"
3695
3696                 "%main     = OpFunction %void None %voidf\n"
3697                 "%entry    = OpLabel\n"
3698                 "%idval    = OpLoad %uvec3 %id\n"
3699                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3700                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3701                 "%inval    = OpLoad %f32 %inloc\n"
3702
3703                 "%xabs     = OpExtInst %f32 %ext FAbs %inval\n"
3704                 "%x8       = OpFMod %f32 %xabs %f32_256\n"
3705                 "%x7       = OpFMod %f32 %xabs %f32_128\n"
3706                 "%x6       = OpFMod %f32 %xabs %f32_64\n"
3707                 "%x5       = OpFMod %f32 %xabs %f32_32\n"
3708                 "%x4       = OpFMod %f32 %xabs %f32_16\n"
3709                 "%x3       = OpFMod %f32 %xabs %f32_8\n"
3710                 "%x2       = OpFMod %f32 %xabs %f32_4\n"
3711                 "%x1       = OpFMod %f32 %xabs %f32_2\n"
3712
3713                 "%b7       = OpFOrdGreaterThanEqual %bool %x8 %f32_127_5\n"
3714                 "%b6       = OpFOrdGreaterThanEqual %bool %x7 %f32_63_5\n"
3715                 "%b5       = OpFOrdGreaterThanEqual %bool %x6 %f32_31_5\n"
3716                 "%b4       = OpFOrdGreaterThanEqual %bool %x5 %f32_15_5\n"
3717                 "%b3       = OpFOrdGreaterThanEqual %bool %x4 %f32_7_5\n"
3718                 "%b2       = OpFOrdGreaterThanEqual %bool %x3 %f32_3_5\n"
3719                 "%b1       = OpFOrdGreaterThanEqual %bool %x2 %f32_1_5\n"
3720                 "%b0       = OpFOrdGreaterThanEqual %bool %x1 %f32_0_5\n"
3721
3722                 + generateOpPhiCase5(codestring) +
3723
3724                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3725                 "            OpStore %outloc %res\n"
3726                 "            OpReturn\n"
3727
3728                 "            OpFunctionEnd\n";
3729         spec5.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3730         spec5.outputs.push_back(BufferSp(new Float32Buffer(outputFloats5)));
3731         spec5.numWorkGroups = IVec3(numElements, 1, 1);
3732
3733         group->addChild(new SpvAsmComputeShaderCase(testCtx, "nested", "Stress OpPhi with a lot of nesting", spec5));
3734
3735         createOpPhiVartypeTests(group, testCtx);
3736
3737         return group.release();
3738 }
3739
3740 // Assembly code used for testing block order is based on GLSL source code:
3741 //
3742 // #version 430
3743 //
3744 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3745 //   float elements[];
3746 // } input_data;
3747 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3748 //   float elements[];
3749 // } output_data;
3750 //
3751 // void main() {
3752 //   uint x = gl_GlobalInvocationID.x;
3753 //   output_data.elements[x] = input_data.elements[x];
3754 //   if (x > uint(50)) {
3755 //     switch (x % uint(3)) {
3756 //       case 0: output_data.elements[x] += 1.5f; break;
3757 //       case 1: output_data.elements[x] += 42.f; break;
3758 //       case 2: output_data.elements[x] -= 27.f; break;
3759 //       default: break;
3760 //     }
3761 //   } else {
3762 //     output_data.elements[x] = -input_data.elements[x];
3763 //   }
3764 // }
3765 tcu::TestCaseGroup* createBlockOrderGroup (tcu::TestContext& testCtx)
3766 {
3767         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "block_order", "Test block orders"));
3768         ComputeShaderSpec                               spec;
3769         de::Random                                              rnd                             (deStringHash(group->getName()));
3770         const int                                               numElements             = 100;
3771         vector<float>                                   inputFloats             (numElements, 0);
3772         vector<float>                                   outputFloats    (numElements, 0);
3773
3774         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3775
3776         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3777         floorAll(inputFloats);
3778
3779         for (size_t ndx = 0; ndx <= 50; ++ndx)
3780                 outputFloats[ndx] = -inputFloats[ndx];
3781
3782         for (size_t ndx = 51; ndx < numElements; ++ndx)
3783         {
3784                 switch (ndx % 3)
3785                 {
3786                         case 0:         outputFloats[ndx] = inputFloats[ndx] + 1.5f; break;
3787                         case 1:         outputFloats[ndx] = inputFloats[ndx] + 42.f; break;
3788                         case 2:         outputFloats[ndx] = inputFloats[ndx] - 27.f; break;
3789                         default:        break;
3790                 }
3791         }
3792
3793         spec.assembly =
3794                 string(getComputeAsmShaderPreamble()) +
3795
3796                 "OpSource GLSL 430\n"
3797                 "OpName %main \"main\"\n"
3798                 "OpName %id \"gl_GlobalInvocationID\"\n"
3799
3800                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3801
3802                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
3803
3804                 "%u32ptr       = OpTypePointer Function %u32\n"
3805                 "%u32ptr_input = OpTypePointer Input %u32\n"
3806
3807                 + string(getComputeAsmInputOutputBuffer()) +
3808
3809                 "%id        = OpVariable %uvec3ptr Input\n"
3810                 "%zero      = OpConstant %i32 0\n"
3811                 "%const3    = OpConstant %u32 3\n"
3812                 "%const50   = OpConstant %u32 50\n"
3813                 "%constf1p5 = OpConstant %f32 1.5\n"
3814                 "%constf27  = OpConstant %f32 27.0\n"
3815                 "%constf42  = OpConstant %f32 42.0\n"
3816
3817                 "%main = OpFunction %void None %voidf\n"
3818
3819                 // entry block.
3820                 "%entry    = OpLabel\n"
3821
3822                 // Create a temporary variable to hold the value of gl_GlobalInvocationID.x.
3823                 "%xvar     = OpVariable %u32ptr Function\n"
3824                 "%xptr     = OpAccessChain %u32ptr_input %id %zero\n"
3825                 "%x        = OpLoad %u32 %xptr\n"
3826                 "            OpStore %xvar %x\n"
3827
3828                 "%cmp      = OpUGreaterThan %bool %x %const50\n"
3829                 "            OpSelectionMerge %if_merge None\n"
3830                 "            OpBranchConditional %cmp %if_true %if_false\n"
3831
3832                 // False branch for if-statement: placed in the middle of switch cases and before true branch.
3833                 "%if_false = OpLabel\n"
3834                 "%x_f      = OpLoad %u32 %xvar\n"
3835                 "%inloc_f  = OpAccessChain %f32ptr %indata %zero %x_f\n"
3836                 "%inval_f  = OpLoad %f32 %inloc_f\n"
3837                 "%negate   = OpFNegate %f32 %inval_f\n"
3838                 "%outloc_f = OpAccessChain %f32ptr %outdata %zero %x_f\n"
3839                 "            OpStore %outloc_f %negate\n"
3840                 "            OpBranch %if_merge\n"
3841
3842                 // Merge block for if-statement: placed in the middle of true and false branch.
3843                 "%if_merge = OpLabel\n"
3844                 "            OpReturn\n"
3845
3846                 // True branch for if-statement: placed in the middle of swtich cases and after the false branch.
3847                 "%if_true  = OpLabel\n"
3848                 "%xval_t   = OpLoad %u32 %xvar\n"
3849                 "%mod      = OpUMod %u32 %xval_t %const3\n"
3850                 "            OpSelectionMerge %switch_merge None\n"
3851                 "            OpSwitch %mod %default 0 %case0 1 %case1 2 %case2\n"
3852
3853                 // Merge block for switch-statement: placed before the case
3854                 // bodies.  But it must follow OpSwitch which dominates it.
3855                 "%switch_merge = OpLabel\n"
3856                 "                OpBranch %if_merge\n"
3857
3858                 // Case 1 for switch-statement: placed before case 0.
3859                 // It must follow the OpSwitch that dominates it.
3860                 "%case1    = OpLabel\n"
3861                 "%x_1      = OpLoad %u32 %xvar\n"
3862                 "%inloc_1  = OpAccessChain %f32ptr %indata %zero %x_1\n"
3863                 "%inval_1  = OpLoad %f32 %inloc_1\n"
3864                 "%addf42   = OpFAdd %f32 %inval_1 %constf42\n"
3865                 "%outloc_1 = OpAccessChain %f32ptr %outdata %zero %x_1\n"
3866                 "            OpStore %outloc_1 %addf42\n"
3867                 "            OpBranch %switch_merge\n"
3868
3869                 // Case 2 for switch-statement.
3870                 "%case2    = OpLabel\n"
3871                 "%x_2      = OpLoad %u32 %xvar\n"
3872                 "%inloc_2  = OpAccessChain %f32ptr %indata %zero %x_2\n"
3873                 "%inval_2  = OpLoad %f32 %inloc_2\n"
3874                 "%subf27   = OpFSub %f32 %inval_2 %constf27\n"
3875                 "%outloc_2 = OpAccessChain %f32ptr %outdata %zero %x_2\n"
3876                 "            OpStore %outloc_2 %subf27\n"
3877                 "            OpBranch %switch_merge\n"
3878
3879                 // Default case for switch-statement: placed in the middle of normal cases.
3880                 "%default = OpLabel\n"
3881                 "           OpBranch %switch_merge\n"
3882
3883                 // Case 0 for switch-statement: out of order.
3884                 "%case0    = OpLabel\n"
3885                 "%x_0      = OpLoad %u32 %xvar\n"
3886                 "%inloc_0  = OpAccessChain %f32ptr %indata %zero %x_0\n"
3887                 "%inval_0  = OpLoad %f32 %inloc_0\n"
3888                 "%addf1p5  = OpFAdd %f32 %inval_0 %constf1p5\n"
3889                 "%outloc_0 = OpAccessChain %f32ptr %outdata %zero %x_0\n"
3890                 "            OpStore %outloc_0 %addf1p5\n"
3891                 "            OpBranch %switch_merge\n"
3892
3893                 "            OpFunctionEnd\n";
3894         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3895         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3896         spec.numWorkGroups = IVec3(numElements, 1, 1);
3897
3898         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "various out-of-order blocks", spec));
3899
3900         return group.release();
3901 }
3902
3903 tcu::TestCaseGroup* createMultipleShaderGroup (tcu::TestContext& testCtx)
3904 {
3905         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "multiple_shaders", "Test multiple shaders in the same module"));
3906         ComputeShaderSpec                               spec1;
3907         ComputeShaderSpec                               spec2;
3908         de::Random                                              rnd                             (deStringHash(group->getName()));
3909         const int                                               numElements             = 100;
3910         vector<float>                                   inputFloats             (numElements, 0);
3911         vector<float>                                   outputFloats1   (numElements, 0);
3912         vector<float>                                   outputFloats2   (numElements, 0);
3913         fillRandomScalars(rnd, -500.f, 500.f, &inputFloats[0], numElements);
3914
3915         for (size_t ndx = 0; ndx < numElements; ++ndx)
3916         {
3917                 outputFloats1[ndx] = inputFloats[ndx] + inputFloats[ndx];
3918                 outputFloats2[ndx] = -inputFloats[ndx];
3919         }
3920
3921         const string assembly(
3922                 "OpCapability Shader\n"
3923                 "OpCapability ClipDistance\n"
3924                 "OpMemoryModel Logical GLSL450\n"
3925                 "OpEntryPoint GLCompute %comp_main1 \"entrypoint1\" %id\n"
3926                 "OpEntryPoint GLCompute %comp_main2 \"entrypoint2\" %id\n"
3927                 // A module cannot have two OpEntryPoint instructions with the same Execution Model and the same Name string.
3928                 "OpEntryPoint Vertex    %vert_main  \"entrypoint2\" %vert_builtins %vertexIndex %instanceIndex\n"
3929                 "OpExecutionMode %comp_main1 LocalSize 1 1 1\n"
3930                 "OpExecutionMode %comp_main2 LocalSize 1 1 1\n"
3931
3932                 "OpName %comp_main1              \"entrypoint1\"\n"
3933                 "OpName %comp_main2              \"entrypoint2\"\n"
3934                 "OpName %vert_main               \"entrypoint2\"\n"
3935                 "OpName %id                      \"gl_GlobalInvocationID\"\n"
3936                 "OpName %vert_builtin_st         \"gl_PerVertex\"\n"
3937                 "OpName %vertexIndex             \"gl_VertexIndex\"\n"
3938                 "OpName %instanceIndex           \"gl_InstanceIndex\"\n"
3939                 "OpMemberName %vert_builtin_st 0 \"gl_Position\"\n"
3940                 "OpMemberName %vert_builtin_st 1 \"gl_PointSize\"\n"
3941                 "OpMemberName %vert_builtin_st 2 \"gl_ClipDistance\"\n"
3942
3943                 "OpDecorate %id                      BuiltIn GlobalInvocationId\n"
3944                 "OpDecorate %vertexIndex             BuiltIn VertexIndex\n"
3945                 "OpDecorate %instanceIndex           BuiltIn InstanceIndex\n"
3946                 "OpDecorate %vert_builtin_st         Block\n"
3947                 "OpMemberDecorate %vert_builtin_st 0 BuiltIn Position\n"
3948                 "OpMemberDecorate %vert_builtin_st 1 BuiltIn PointSize\n"
3949                 "OpMemberDecorate %vert_builtin_st 2 BuiltIn ClipDistance\n"
3950
3951                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3952
3953                 "%zero       = OpConstant %i32 0\n"
3954                 "%one        = OpConstant %u32 1\n"
3955                 "%c_f32_1    = OpConstant %f32 1\n"
3956
3957                 "%i32inputptr         = OpTypePointer Input %i32\n"
3958                 "%vec4                = OpTypeVector %f32 4\n"
3959                 "%vec4ptr             = OpTypePointer Output %vec4\n"
3960                 "%f32arr1             = OpTypeArray %f32 %one\n"
3961                 "%vert_builtin_st     = OpTypeStruct %vec4 %f32 %f32arr1\n"
3962                 "%vert_builtin_st_ptr = OpTypePointer Output %vert_builtin_st\n"
3963                 "%vert_builtins       = OpVariable %vert_builtin_st_ptr Output\n"
3964
3965                 "%id         = OpVariable %uvec3ptr Input\n"
3966                 "%vertexIndex = OpVariable %i32inputptr Input\n"
3967                 "%instanceIndex = OpVariable %i32inputptr Input\n"
3968                 "%c_vec4_1   = OpConstantComposite %vec4 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
3969
3970                 // gl_Position = vec4(1.);
3971                 "%vert_main  = OpFunction %void None %voidf\n"
3972                 "%vert_entry = OpLabel\n"
3973                 "%position   = OpAccessChain %vec4ptr %vert_builtins %zero\n"
3974                 "              OpStore %position %c_vec4_1\n"
3975                 "              OpReturn\n"
3976                 "              OpFunctionEnd\n"
3977
3978                 // Double inputs.
3979                 "%comp_main1  = OpFunction %void None %voidf\n"
3980                 "%comp1_entry = OpLabel\n"
3981                 "%idval1      = OpLoad %uvec3 %id\n"
3982                 "%x1          = OpCompositeExtract %u32 %idval1 0\n"
3983                 "%inloc1      = OpAccessChain %f32ptr %indata %zero %x1\n"
3984                 "%inval1      = OpLoad %f32 %inloc1\n"
3985                 "%add         = OpFAdd %f32 %inval1 %inval1\n"
3986                 "%outloc1     = OpAccessChain %f32ptr %outdata %zero %x1\n"
3987                 "               OpStore %outloc1 %add\n"
3988                 "               OpReturn\n"
3989                 "               OpFunctionEnd\n"
3990
3991                 // Negate inputs.
3992                 "%comp_main2  = OpFunction %void None %voidf\n"
3993                 "%comp2_entry = OpLabel\n"
3994                 "%idval2      = OpLoad %uvec3 %id\n"
3995                 "%x2          = OpCompositeExtract %u32 %idval2 0\n"
3996                 "%inloc2      = OpAccessChain %f32ptr %indata %zero %x2\n"
3997                 "%inval2      = OpLoad %f32 %inloc2\n"
3998                 "%neg         = OpFNegate %f32 %inval2\n"
3999                 "%outloc2     = OpAccessChain %f32ptr %outdata %zero %x2\n"
4000                 "               OpStore %outloc2 %neg\n"
4001                 "               OpReturn\n"
4002                 "               OpFunctionEnd\n");
4003
4004         spec1.assembly = assembly;
4005         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4006         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
4007         spec1.numWorkGroups = IVec3(numElements, 1, 1);
4008         spec1.entryPoint = "entrypoint1";
4009
4010         spec2.assembly = assembly;
4011         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4012         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
4013         spec2.numWorkGroups = IVec3(numElements, 1, 1);
4014         spec2.entryPoint = "entrypoint2";
4015
4016         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader1", "multiple shaders in the same module", spec1));
4017         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader2", "multiple shaders in the same module", spec2));
4018
4019         return group.release();
4020 }
4021
4022 inline std::string makeLongUTF8String (size_t num4ByteChars)
4023 {
4024         // An example of a longest valid UTF-8 character.  Be explicit about the
4025         // character type because Microsoft compilers can otherwise interpret the
4026         // character string as being over wide (16-bit) characters. Ideally, we
4027         // would just use a C++11 UTF-8 string literal, but we want to support older
4028         // Microsoft compilers.
4029         const std::basic_string<char> earthAfrica("\xF0\x9F\x8C\x8D");
4030         std::string longString;
4031         longString.reserve(num4ByteChars * 4);
4032         for (size_t count = 0; count < num4ByteChars; count++)
4033         {
4034                 longString += earthAfrica;
4035         }
4036         return longString;
4037 }
4038
4039 tcu::TestCaseGroup* createOpSourceGroup (tcu::TestContext& testCtx)
4040 {
4041         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsource", "Tests the OpSource & OpSourceContinued instruction"));
4042         vector<CaseParameter>                   cases;
4043         de::Random                                              rnd                             (deStringHash(group->getName()));
4044         const int                                               numElements             = 100;
4045         vector<float>                                   positiveFloats  (numElements, 0);
4046         vector<float>                                   negativeFloats  (numElements, 0);
4047         const StringTemplate                    shaderTemplate  (
4048                 "OpCapability Shader\n"
4049                 "OpMemoryModel Logical GLSL450\n"
4050
4051                 "OpEntryPoint GLCompute %main \"main\" %id\n"
4052                 "OpExecutionMode %main LocalSize 1 1 1\n"
4053
4054                 "${SOURCE}\n"
4055
4056                 "OpName %main           \"main\"\n"
4057                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4058
4059                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4060
4061                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4062
4063                 "%id        = OpVariable %uvec3ptr Input\n"
4064                 "%zero      = OpConstant %i32 0\n"
4065
4066                 "%main      = OpFunction %void None %voidf\n"
4067                 "%label     = OpLabel\n"
4068                 "%idval     = OpLoad %uvec3 %id\n"
4069                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4070                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4071                 "%inval     = OpLoad %f32 %inloc\n"
4072                 "%neg       = OpFNegate %f32 %inval\n"
4073                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4074                 "             OpStore %outloc %neg\n"
4075                 "             OpReturn\n"
4076                 "             OpFunctionEnd\n");
4077
4078         cases.push_back(CaseParameter("unknown_source",                                                 "OpSource Unknown 0"));
4079         cases.push_back(CaseParameter("wrong_source",                                                   "OpSource OpenCL_C 210"));
4080         cases.push_back(CaseParameter("normal_filename",                                                "%fname = OpString \"filename\"\n"
4081                                                                                                                                                         "OpSource GLSL 430 %fname"));
4082         cases.push_back(CaseParameter("empty_filename",                                                 "%fname = OpString \"\"\n"
4083                                                                                                                                                         "OpSource GLSL 430 %fname"));
4084         cases.push_back(CaseParameter("normal_source_code",                                             "%fname = OpString \"filename\"\n"
4085                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\""));
4086         cases.push_back(CaseParameter("empty_source_code",                                              "%fname = OpString \"filename\"\n"
4087                                                                                                                                                         "OpSource GLSL 430 %fname \"\""));
4088         cases.push_back(CaseParameter("long_source_code",                                               "%fname = OpString \"filename\"\n"
4089                                                                                                                                                         "OpSource GLSL 430 %fname \"" + makeLongUTF8String(65530) + "ccc\"")); // word count: 65535
4090         cases.push_back(CaseParameter("utf8_source_code",                                               "%fname = OpString \"filename\"\n"
4091                                                                                                                                                         "OpSource GLSL 430 %fname \"\xE2\x98\x82\xE2\x98\x85\"")); // umbrella & black star symbol
4092         cases.push_back(CaseParameter("normal_sourcecontinued",                                 "%fname = OpString \"filename\"\n"
4093                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvo\"\n"
4094                                                                                                                                                         "OpSourceContinued \"id main() {}\""));
4095         cases.push_back(CaseParameter("empty_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
4096                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
4097                                                                                                                                                         "OpSourceContinued \"\""));
4098         cases.push_back(CaseParameter("long_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
4099                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
4100                                                                                                                                                         "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\"")); // word count: 65535
4101         cases.push_back(CaseParameter("utf8_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
4102                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
4103                                                                                                                                                         "OpSourceContinued \"\xE2\x98\x8E\xE2\x9A\x91\"")); // white telephone & black flag symbol
4104         cases.push_back(CaseParameter("multi_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
4105                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\n\"\n"
4106                                                                                                                                                         "OpSourceContinued \"void\"\n"
4107                                                                                                                                                         "OpSourceContinued \"main()\"\n"
4108                                                                                                                                                         "OpSourceContinued \"{}\""));
4109         cases.push_back(CaseParameter("empty_source_before_sourcecontinued",    "%fname = OpString \"filename\"\n"
4110                                                                                                                                                         "OpSource GLSL 430 %fname \"\"\n"
4111                                                                                                                                                         "OpSourceContinued \"#version 430\nvoid main() {}\""));
4112
4113         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4114
4115         for (size_t ndx = 0; ndx < numElements; ++ndx)
4116                 negativeFloats[ndx] = -positiveFloats[ndx];
4117
4118         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4119         {
4120                 map<string, string>             specializations;
4121                 ComputeShaderSpec               spec;
4122
4123                 specializations["SOURCE"] = cases[caseNdx].param;
4124                 spec.assembly = shaderTemplate.specialize(specializations);
4125                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4126                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4127                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4128
4129                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4130         }
4131
4132         return group.release();
4133 }
4134
4135 tcu::TestCaseGroup* createOpSourceExtensionGroup (tcu::TestContext& testCtx)
4136 {
4137         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsourceextension", "Tests the OpSource instruction"));
4138         vector<CaseParameter>                   cases;
4139         de::Random                                              rnd                             (deStringHash(group->getName()));
4140         const int                                               numElements             = 100;
4141         vector<float>                                   inputFloats             (numElements, 0);
4142         vector<float>                                   outputFloats    (numElements, 0);
4143         const StringTemplate                    shaderTemplate  (
4144                 string(getComputeAsmShaderPreamble()) +
4145
4146                 "OpSourceExtension \"${EXTENSION}\"\n"
4147
4148                 "OpName %main           \"main\"\n"
4149                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4150
4151                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4152
4153                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4154
4155                 "%id        = OpVariable %uvec3ptr Input\n"
4156                 "%zero      = OpConstant %i32 0\n"
4157
4158                 "%main      = OpFunction %void None %voidf\n"
4159                 "%label     = OpLabel\n"
4160                 "%idval     = OpLoad %uvec3 %id\n"
4161                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4162                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4163                 "%inval     = OpLoad %f32 %inloc\n"
4164                 "%neg       = OpFNegate %f32 %inval\n"
4165                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4166                 "             OpStore %outloc %neg\n"
4167                 "             OpReturn\n"
4168                 "             OpFunctionEnd\n");
4169
4170         cases.push_back(CaseParameter("empty_extension",        ""));
4171         cases.push_back(CaseParameter("real_extension",         "GL_ARB_texture_rectangle"));
4172         cases.push_back(CaseParameter("fake_extension",         "GL_ARB_im_the_ultimate_extension"));
4173         cases.push_back(CaseParameter("utf8_extension",         "GL_ARB_\xE2\x98\x82\xE2\x98\x85"));
4174         cases.push_back(CaseParameter("long_extension",         makeLongUTF8String(65533) + "ccc")); // word count: 65535
4175
4176         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
4177
4178         for (size_t ndx = 0; ndx < numElements; ++ndx)
4179                 outputFloats[ndx] = -inputFloats[ndx];
4180
4181         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4182         {
4183                 map<string, string>             specializations;
4184                 ComputeShaderSpec               spec;
4185
4186                 specializations["EXTENSION"] = cases[caseNdx].param;
4187                 spec.assembly = shaderTemplate.specialize(specializations);
4188                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4189                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
4190                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4191
4192                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4193         }
4194
4195         return group.release();
4196 }
4197
4198 // Checks that a compute shader can generate a constant null value of various types, without exercising a computation on it.
4199 tcu::TestCaseGroup* createOpConstantNullGroup (tcu::TestContext& testCtx)
4200 {
4201         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnull", "Tests the OpConstantNull instruction"));
4202         vector<CaseParameter>                   cases;
4203         de::Random                                              rnd                             (deStringHash(group->getName()));
4204         const int                                               numElements             = 100;
4205         vector<float>                                   positiveFloats  (numElements, 0);
4206         vector<float>                                   negativeFloats  (numElements, 0);
4207         const StringTemplate                    shaderTemplate  (
4208                 string(getComputeAsmShaderPreamble()) +
4209
4210                 "OpSource GLSL 430\n"
4211                 "OpName %main           \"main\"\n"
4212                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4213
4214                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4215
4216                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
4217                 "%uvec2     = OpTypeVector %u32 2\n"
4218                 "%bvec3     = OpTypeVector %bool 3\n"
4219                 "%fvec4     = OpTypeVector %f32 4\n"
4220                 "%fmat33    = OpTypeMatrix %fvec3 3\n"
4221                 "%const100  = OpConstant %u32 100\n"
4222                 "%uarr100   = OpTypeArray %i32 %const100\n"
4223                 "%struct    = OpTypeStruct %f32 %i32 %u32\n"
4224                 "%pointer   = OpTypePointer Function %i32\n"
4225                 + string(getComputeAsmInputOutputBuffer()) +
4226
4227                 "%null      = OpConstantNull ${TYPE}\n"
4228
4229                 "%id        = OpVariable %uvec3ptr Input\n"
4230                 "%zero      = OpConstant %i32 0\n"
4231
4232                 "%main      = OpFunction %void None %voidf\n"
4233                 "%label     = OpLabel\n"
4234                 "%idval     = OpLoad %uvec3 %id\n"
4235                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4236                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4237                 "%inval     = OpLoad %f32 %inloc\n"
4238                 "%neg       = OpFNegate %f32 %inval\n"
4239                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4240                 "             OpStore %outloc %neg\n"
4241                 "             OpReturn\n"
4242                 "             OpFunctionEnd\n");
4243
4244         cases.push_back(CaseParameter("bool",                   "%bool"));
4245         cases.push_back(CaseParameter("sint32",                 "%i32"));
4246         cases.push_back(CaseParameter("uint32",                 "%u32"));
4247         cases.push_back(CaseParameter("float32",                "%f32"));
4248         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
4249         cases.push_back(CaseParameter("vec3bool",               "%bvec3"));
4250         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
4251         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
4252         cases.push_back(CaseParameter("array",                  "%uarr100"));
4253         cases.push_back(CaseParameter("struct",                 "%struct"));
4254         cases.push_back(CaseParameter("pointer",                "%pointer"));
4255
4256         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4257
4258         for (size_t ndx = 0; ndx < numElements; ++ndx)
4259                 negativeFloats[ndx] = -positiveFloats[ndx];
4260
4261         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4262         {
4263                 map<string, string>             specializations;
4264                 ComputeShaderSpec               spec;
4265
4266                 specializations["TYPE"] = cases[caseNdx].param;
4267                 spec.assembly = shaderTemplate.specialize(specializations);
4268                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4269                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4270                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4271
4272                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4273         }
4274
4275         return group.release();
4276 }
4277
4278 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
4279 tcu::TestCaseGroup* createOpConstantCompositeGroup (tcu::TestContext& testCtx)
4280 {
4281         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "Tests the OpConstantComposite instruction"));
4282         vector<CaseParameter>                   cases;
4283         de::Random                                              rnd                             (deStringHash(group->getName()));
4284         const int                                               numElements             = 100;
4285         vector<float>                                   positiveFloats  (numElements, 0);
4286         vector<float>                                   negativeFloats  (numElements, 0);
4287         const StringTemplate                    shaderTemplate  (
4288                 string(getComputeAsmShaderPreamble()) +
4289
4290                 "OpSource GLSL 430\n"
4291                 "OpName %main           \"main\"\n"
4292                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4293
4294                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4295
4296                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4297
4298                 "%id        = OpVariable %uvec3ptr Input\n"
4299                 "%zero      = OpConstant %i32 0\n"
4300
4301                 "${CONSTANT}\n"
4302
4303                 "%main      = OpFunction %void None %voidf\n"
4304                 "%label     = OpLabel\n"
4305                 "%idval     = OpLoad %uvec3 %id\n"
4306                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4307                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4308                 "%inval     = OpLoad %f32 %inloc\n"
4309                 "%neg       = OpFNegate %f32 %inval\n"
4310                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4311                 "             OpStore %outloc %neg\n"
4312                 "             OpReturn\n"
4313                 "             OpFunctionEnd\n");
4314
4315         cases.push_back(CaseParameter("vector",                 "%five = OpConstant %u32 5\n"
4316                                                                                                         "%const = OpConstantComposite %uvec3 %five %zero %five"));
4317         cases.push_back(CaseParameter("matrix",                 "%m3fvec3 = OpTypeMatrix %fvec3 3\n"
4318                                                                                                         "%ten = OpConstant %f32 10.\n"
4319                                                                                                         "%fzero = OpConstant %f32 0.\n"
4320                                                                                                         "%vec = OpConstantComposite %fvec3 %ten %fzero %ten\n"
4321                                                                                                         "%mat = OpConstantComposite %m3fvec3 %vec %vec %vec"));
4322         cases.push_back(CaseParameter("struct",                 "%m2vec3 = OpTypeMatrix %fvec3 2\n"
4323                                                                                                         "%struct = OpTypeStruct %i32 %f32 %fvec3 %m2vec3\n"
4324                                                                                                         "%fzero = OpConstant %f32 0.\n"
4325                                                                                                         "%one = OpConstant %f32 1.\n"
4326                                                                                                         "%point5 = OpConstant %f32 0.5\n"
4327                                                                                                         "%vec = OpConstantComposite %fvec3 %one %one %fzero\n"
4328                                                                                                         "%mat = OpConstantComposite %m2vec3 %vec %vec\n"
4329                                                                                                         "%const = OpConstantComposite %struct %zero %point5 %vec %mat"));
4330         cases.push_back(CaseParameter("nested_struct",  "%st1 = OpTypeStruct %u32 %f32\n"
4331                                                                                                         "%st2 = OpTypeStruct %i32 %i32\n"
4332                                                                                                         "%struct = OpTypeStruct %st1 %st2\n"
4333                                                                                                         "%point5 = OpConstant %f32 0.5\n"
4334                                                                                                         "%one = OpConstant %u32 1\n"
4335                                                                                                         "%ten = OpConstant %i32 10\n"
4336                                                                                                         "%st1val = OpConstantComposite %st1 %one %point5\n"
4337                                                                                                         "%st2val = OpConstantComposite %st2 %ten %ten\n"
4338                                                                                                         "%const = OpConstantComposite %struct %st1val %st2val"));
4339
4340         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4341
4342         for (size_t ndx = 0; ndx < numElements; ++ndx)
4343                 negativeFloats[ndx] = -positiveFloats[ndx];
4344
4345         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4346         {
4347                 map<string, string>             specializations;
4348                 ComputeShaderSpec               spec;
4349
4350                 specializations["CONSTANT"] = cases[caseNdx].param;
4351                 spec.assembly = shaderTemplate.specialize(specializations);
4352                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4353                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4354                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4355
4356                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4357         }
4358
4359         return group.release();
4360 }
4361
4362 // Creates a floating point number with the given exponent, and significand
4363 // bits set. It can only create normalized numbers. Only the least significant
4364 // 24 bits of the significand will be examined. The final bit of the
4365 // significand will also be ignored. This allows alignment to be written
4366 // similarly to C99 hex-floats.
4367 // For example if you wanted to write 0x1.7f34p-12 you would call
4368 // constructNormalizedFloat(-12, 0x7f3400)
4369 float constructNormalizedFloat (deInt32 exponent, deUint32 significand)
4370 {
4371         float f = 1.0f;
4372
4373         for (deInt32 idx = 0; idx < 23; ++idx)
4374         {
4375                 f += ((significand & 0x800000) == 0) ? 0.f : std::ldexp(1.0f, -(idx + 1));
4376                 significand <<= 1;
4377         }
4378
4379         return std::ldexp(f, exponent);
4380 }
4381
4382 // Compare instruction for the OpQuantizeF16 compute exact case.
4383 // Returns true if the output is what is expected from the test case.
4384 bool compareOpQuantizeF16ComputeExactCase (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
4385 {
4386         if (outputAllocs.size() != 1)
4387                 return false;
4388
4389         // Only size is needed because we cannot compare Nans.
4390         size_t byteSize = expectedOutputs[0].getByteSize();
4391
4392         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
4393
4394         if (byteSize != 4*sizeof(float)) {
4395                 return false;
4396         }
4397
4398         if (*outputAsFloat != constructNormalizedFloat(8, 0x304000) &&
4399                 *outputAsFloat != constructNormalizedFloat(8, 0x300000)) {
4400                 return false;
4401         }
4402         outputAsFloat++;
4403
4404         if (*outputAsFloat != -constructNormalizedFloat(-7, 0x600000) &&
4405                 *outputAsFloat != -constructNormalizedFloat(-7, 0x604000)) {
4406                 return false;
4407         }
4408         outputAsFloat++;
4409
4410         if (*outputAsFloat != constructNormalizedFloat(2, 0x01C000) &&
4411                 *outputAsFloat != constructNormalizedFloat(2, 0x020000)) {
4412                 return false;
4413         }
4414         outputAsFloat++;
4415
4416         if (*outputAsFloat != constructNormalizedFloat(1, 0xFFC000) &&
4417                 *outputAsFloat != constructNormalizedFloat(2, 0x000000)) {
4418                 return false;
4419         }
4420
4421         return true;
4422 }
4423
4424 // Checks that every output from a test-case is a float NaN.
4425 bool compareNan (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
4426 {
4427         if (outputAllocs.size() != 1)
4428                 return false;
4429
4430         // Only size is needed because we cannot compare Nans.
4431         size_t byteSize = expectedOutputs[0].getByteSize();
4432
4433         const float* const      output_as_float = static_cast<const float*>(outputAllocs[0]->getHostPtr());
4434
4435         for (size_t idx = 0; idx < byteSize / sizeof(float); ++idx)
4436         {
4437                 if (!deFloatIsNaN(output_as_float[idx]))
4438                 {
4439                         return false;
4440                 }
4441         }
4442
4443         return true;
4444 }
4445
4446 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
4447 tcu::TestCaseGroup* createOpQuantizeToF16Group (tcu::TestContext& testCtx)
4448 {
4449         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opquantize", "Tests the OpQuantizeToF16 instruction"));
4450
4451         const std::string shader (
4452                 string(getComputeAsmShaderPreamble()) +
4453
4454                 "OpSource GLSL 430\n"
4455                 "OpName %main           \"main\"\n"
4456                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4457
4458                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4459
4460                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4461
4462                 "%id        = OpVariable %uvec3ptr Input\n"
4463                 "%zero      = OpConstant %i32 0\n"
4464
4465                 "%main      = OpFunction %void None %voidf\n"
4466                 "%label     = OpLabel\n"
4467                 "%idval     = OpLoad %uvec3 %id\n"
4468                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4469                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4470                 "%inval     = OpLoad %f32 %inloc\n"
4471                 "%quant     = OpQuantizeToF16 %f32 %inval\n"
4472                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4473                 "             OpStore %outloc %quant\n"
4474                 "             OpReturn\n"
4475                 "             OpFunctionEnd\n");
4476
4477         {
4478                 ComputeShaderSpec       spec;
4479                 const deUint32          numElements             = 100;
4480                 vector<float>           infinities;
4481                 vector<float>           results;
4482
4483                 infinities.reserve(numElements);
4484                 results.reserve(numElements);
4485
4486                 for (size_t idx = 0; idx < numElements; ++idx)
4487                 {
4488                         switch(idx % 4)
4489                         {
4490                                 case 0:
4491                                         infinities.push_back(std::numeric_limits<float>::infinity());
4492                                         results.push_back(std::numeric_limits<float>::infinity());
4493                                         break;
4494                                 case 1:
4495                                         infinities.push_back(-std::numeric_limits<float>::infinity());
4496                                         results.push_back(-std::numeric_limits<float>::infinity());
4497                                         break;
4498                                 case 2:
4499                                         infinities.push_back(std::ldexp(1.0f, 16));
4500                                         results.push_back(std::numeric_limits<float>::infinity());
4501                                         break;
4502                                 case 3:
4503                                         infinities.push_back(std::ldexp(-1.0f, 32));
4504                                         results.push_back(-std::numeric_limits<float>::infinity());
4505                                         break;
4506                         }
4507                 }
4508
4509                 spec.assembly = shader;
4510                 spec.inputs.push_back(BufferSp(new Float32Buffer(infinities)));
4511                 spec.outputs.push_back(BufferSp(new Float32Buffer(results)));
4512                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4513
4514                 group->addChild(new SpvAsmComputeShaderCase(
4515                         testCtx, "infinities", "Check that infinities propagated and created", spec));
4516         }
4517
4518         {
4519                 ComputeShaderSpec       spec;
4520                 vector<float>           nans;
4521                 const deUint32          numElements             = 100;
4522
4523                 nans.reserve(numElements);
4524
4525                 for (size_t idx = 0; idx < numElements; ++idx)
4526                 {
4527                         if (idx % 2 == 0)
4528                         {
4529                                 nans.push_back(std::numeric_limits<float>::quiet_NaN());
4530                         }
4531                         else
4532                         {
4533                                 nans.push_back(-std::numeric_limits<float>::quiet_NaN());
4534                         }
4535                 }
4536
4537                 spec.assembly = shader;
4538                 spec.inputs.push_back(BufferSp(new Float32Buffer(nans)));
4539                 spec.outputs.push_back(BufferSp(new Float32Buffer(nans)));
4540                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4541                 spec.verifyIO = &compareNan;
4542
4543                 group->addChild(new SpvAsmComputeShaderCase(
4544                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
4545         }
4546
4547         {
4548                 ComputeShaderSpec       spec;
4549                 vector<float>           small;
4550                 vector<float>           zeros;
4551                 const deUint32          numElements             = 100;
4552
4553                 small.reserve(numElements);
4554                 zeros.reserve(numElements);
4555
4556                 for (size_t idx = 0; idx < numElements; ++idx)
4557                 {
4558                         switch(idx % 6)
4559                         {
4560                                 case 0:
4561                                         small.push_back(0.f);
4562                                         zeros.push_back(0.f);
4563                                         break;
4564                                 case 1:
4565                                         small.push_back(-0.f);
4566                                         zeros.push_back(-0.f);
4567                                         break;
4568                                 case 2:
4569                                         small.push_back(std::ldexp(1.0f, -16));
4570                                         zeros.push_back(0.f);
4571                                         break;
4572                                 case 3:
4573                                         small.push_back(std::ldexp(-1.0f, -32));
4574                                         zeros.push_back(-0.f);
4575                                         break;
4576                                 case 4:
4577                                         small.push_back(std::ldexp(1.0f, -127));
4578                                         zeros.push_back(0.f);
4579                                         break;
4580                                 case 5:
4581                                         small.push_back(-std::ldexp(1.0f, -128));
4582                                         zeros.push_back(-0.f);
4583                                         break;
4584                         }
4585                 }
4586
4587                 spec.assembly = shader;
4588                 spec.inputs.push_back(BufferSp(new Float32Buffer(small)));
4589                 spec.outputs.push_back(BufferSp(new Float32Buffer(zeros)));
4590                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4591
4592                 group->addChild(new SpvAsmComputeShaderCase(
4593                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
4594         }
4595
4596         {
4597                 ComputeShaderSpec       spec;
4598                 vector<float>           exact;
4599                 const deUint32          numElements             = 200;
4600
4601                 exact.reserve(numElements);
4602
4603                 for (size_t idx = 0; idx < numElements; ++idx)
4604                         exact.push_back(static_cast<float>(static_cast<int>(idx) - 100));
4605
4606                 spec.assembly = shader;
4607                 spec.inputs.push_back(BufferSp(new Float32Buffer(exact)));
4608                 spec.outputs.push_back(BufferSp(new Float32Buffer(exact)));
4609                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4610
4611                 group->addChild(new SpvAsmComputeShaderCase(
4612                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
4613         }
4614
4615         {
4616                 ComputeShaderSpec       spec;
4617                 vector<float>           inputs;
4618                 const deUint32          numElements             = 4;
4619
4620                 inputs.push_back(constructNormalizedFloat(8,    0x300300));
4621                 inputs.push_back(-constructNormalizedFloat(-7,  0x600800));
4622                 inputs.push_back(constructNormalizedFloat(2,    0x01E000));
4623                 inputs.push_back(constructNormalizedFloat(1,    0xFFE000));
4624
4625                 spec.assembly = shader;
4626                 spec.verifyIO = &compareOpQuantizeF16ComputeExactCase;
4627                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4628                 spec.outputs.push_back(BufferSp(new Float32Buffer(inputs)));
4629                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4630
4631                 group->addChild(new SpvAsmComputeShaderCase(
4632                         testCtx, "rounded", "Check that are rounded when needed", spec));
4633         }
4634
4635         return group.release();
4636 }
4637
4638 tcu::TestCaseGroup* createSpecConstantOpQuantizeToF16Group (tcu::TestContext& testCtx)
4639 {
4640         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop_opquantize", "Tests the OpQuantizeToF16 opcode for the OpSpecConstantOp instruction"));
4641
4642         const std::string shader (
4643                 string(getComputeAsmShaderPreamble()) +
4644
4645                 "OpName %main           \"main\"\n"
4646                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4647
4648                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4649
4650                 "OpDecorate %sc_0  SpecId 0\n"
4651                 "OpDecorate %sc_1  SpecId 1\n"
4652                 "OpDecorate %sc_2  SpecId 2\n"
4653                 "OpDecorate %sc_3  SpecId 3\n"
4654                 "OpDecorate %sc_4  SpecId 4\n"
4655                 "OpDecorate %sc_5  SpecId 5\n"
4656
4657                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4658
4659                 "%id        = OpVariable %uvec3ptr Input\n"
4660                 "%zero      = OpConstant %i32 0\n"
4661                 "%c_u32_6   = OpConstant %u32 6\n"
4662
4663                 "%sc_0      = OpSpecConstant %f32 0.\n"
4664                 "%sc_1      = OpSpecConstant %f32 0.\n"
4665                 "%sc_2      = OpSpecConstant %f32 0.\n"
4666                 "%sc_3      = OpSpecConstant %f32 0.\n"
4667                 "%sc_4      = OpSpecConstant %f32 0.\n"
4668                 "%sc_5      = OpSpecConstant %f32 0.\n"
4669
4670                 "%sc_0_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_0\n"
4671                 "%sc_1_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_1\n"
4672                 "%sc_2_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_2\n"
4673                 "%sc_3_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_3\n"
4674                 "%sc_4_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_4\n"
4675                 "%sc_5_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_5\n"
4676
4677                 "%main      = OpFunction %void None %voidf\n"
4678                 "%label     = OpLabel\n"
4679                 "%idval     = OpLoad %uvec3 %id\n"
4680                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4681                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4682                 "%selector  = OpUMod %u32 %x %c_u32_6\n"
4683                 "            OpSelectionMerge %exit None\n"
4684                 "            OpSwitch %selector %exit 0 %case0 1 %case1 2 %case2 3 %case3 4 %case4 5 %case5\n"
4685
4686                 "%case0     = OpLabel\n"
4687                 "             OpStore %outloc %sc_0_quant\n"
4688                 "             OpBranch %exit\n"
4689
4690                 "%case1     = OpLabel\n"
4691                 "             OpStore %outloc %sc_1_quant\n"
4692                 "             OpBranch %exit\n"
4693
4694                 "%case2     = OpLabel\n"
4695                 "             OpStore %outloc %sc_2_quant\n"
4696                 "             OpBranch %exit\n"
4697
4698                 "%case3     = OpLabel\n"
4699                 "             OpStore %outloc %sc_3_quant\n"
4700                 "             OpBranch %exit\n"
4701
4702                 "%case4     = OpLabel\n"
4703                 "             OpStore %outloc %sc_4_quant\n"
4704                 "             OpBranch %exit\n"
4705
4706                 "%case5     = OpLabel\n"
4707                 "             OpStore %outloc %sc_5_quant\n"
4708                 "             OpBranch %exit\n"
4709
4710                 "%exit      = OpLabel\n"
4711                 "             OpReturn\n"
4712
4713                 "             OpFunctionEnd\n");
4714
4715         {
4716                 ComputeShaderSpec       spec;
4717                 const deUint8           numCases        = 4;
4718                 vector<float>           inputs          (numCases, 0.f);
4719                 vector<float>           outputs;
4720
4721                 spec.assembly           = shader;
4722                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4723
4724                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::numeric_limits<float>::infinity()));
4725                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(-std::numeric_limits<float>::infinity()));
4726                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::ldexp(1.0f, 16)));
4727                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::ldexp(-1.0f, 32)));
4728
4729                 outputs.push_back(std::numeric_limits<float>::infinity());
4730                 outputs.push_back(-std::numeric_limits<float>::infinity());
4731                 outputs.push_back(std::numeric_limits<float>::infinity());
4732                 outputs.push_back(-std::numeric_limits<float>::infinity());
4733
4734                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4735                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4736
4737                 group->addChild(new SpvAsmComputeShaderCase(
4738                         testCtx, "infinities", "Check that infinities propagated and created", spec));
4739         }
4740
4741         {
4742                 ComputeShaderSpec       spec;
4743                 const deUint8           numCases        = 2;
4744                 vector<float>           inputs          (numCases, 0.f);
4745                 vector<float>           outputs;
4746
4747                 spec.assembly           = shader;
4748                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4749                 spec.verifyIO           = &compareNan;
4750
4751                 outputs.push_back(std::numeric_limits<float>::quiet_NaN());
4752                 outputs.push_back(-std::numeric_limits<float>::quiet_NaN());
4753
4754                 for (deUint8 idx = 0; idx < numCases; ++idx)
4755                         spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(outputs[idx]));
4756
4757                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4758                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4759
4760                 group->addChild(new SpvAsmComputeShaderCase(
4761                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
4762         }
4763
4764         {
4765                 ComputeShaderSpec       spec;
4766                 const deUint8           numCases        = 6;
4767                 vector<float>           inputs          (numCases, 0.f);
4768                 vector<float>           outputs;
4769
4770                 spec.assembly           = shader;
4771                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4772
4773                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(0.f));
4774                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(-0.f));
4775                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::ldexp(1.0f, -16)));
4776                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::ldexp(-1.0f, -32)));
4777                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(std::ldexp(1.0f, -127)));
4778                 spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(-std::ldexp(1.0f, -128)));
4779
4780                 outputs.push_back(0.f);
4781                 outputs.push_back(-0.f);
4782                 outputs.push_back(0.f);
4783                 outputs.push_back(-0.f);
4784                 outputs.push_back(0.f);
4785                 outputs.push_back(-0.f);
4786
4787                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4788                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4789
4790                 group->addChild(new SpvAsmComputeShaderCase(
4791                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
4792         }
4793
4794         {
4795                 ComputeShaderSpec       spec;
4796                 const deUint8           numCases        = 6;
4797                 vector<float>           inputs          (numCases, 0.f);
4798                 vector<float>           outputs;
4799
4800                 spec.assembly           = shader;
4801                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4802
4803                 for (deUint8 idx = 0; idx < 6; ++idx)
4804                 {
4805                         const float f = static_cast<float>(idx * 10 - 30) / 4.f;
4806                         spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(f));
4807                         outputs.push_back(f);
4808                 }
4809
4810                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4811                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4812
4813                 group->addChild(new SpvAsmComputeShaderCase(
4814                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
4815         }
4816
4817         {
4818                 ComputeShaderSpec       spec;
4819                 const deUint8           numCases        = 4;
4820                 vector<float>           inputs          (numCases, 0.f);
4821                 vector<float>           outputs;
4822
4823                 spec.assembly           = shader;
4824                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4825                 spec.verifyIO           = &compareOpQuantizeF16ComputeExactCase;
4826
4827                 outputs.push_back(constructNormalizedFloat(8, 0x300300));
4828                 outputs.push_back(-constructNormalizedFloat(-7, 0x600800));
4829                 outputs.push_back(constructNormalizedFloat(2, 0x01E000));
4830                 outputs.push_back(constructNormalizedFloat(1, 0xFFE000));
4831
4832                 for (deUint8 idx = 0; idx < numCases; ++idx)
4833                         spec.specConstants.append<deInt32>(bitwiseCast<deUint32>(outputs[idx]));
4834
4835                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4836                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4837
4838                 group->addChild(new SpvAsmComputeShaderCase(
4839                         testCtx, "rounded", "Check that are rounded when needed", spec));
4840         }
4841
4842         return group.release();
4843 }
4844
4845 // Checks that constant null/composite values can be used in computation.
4846 tcu::TestCaseGroup* createOpConstantUsageGroup (tcu::TestContext& testCtx)
4847 {
4848         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnullcomposite", "Spotcheck the OpConstantNull & OpConstantComposite instruction"));
4849         ComputeShaderSpec                               spec;
4850         de::Random                                              rnd                             (deStringHash(group->getName()));
4851         const int                                               numElements             = 100;
4852         vector<float>                                   positiveFloats  (numElements, 0);
4853         vector<float>                                   negativeFloats  (numElements, 0);
4854
4855         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4856
4857         for (size_t ndx = 0; ndx < numElements; ++ndx)
4858                 negativeFloats[ndx] = -positiveFloats[ndx];
4859
4860         spec.assembly =
4861                 "OpCapability Shader\n"
4862                 "%std450 = OpExtInstImport \"GLSL.std.450\"\n"
4863                 "OpMemoryModel Logical GLSL450\n"
4864                 "OpEntryPoint GLCompute %main \"main\" %id\n"
4865                 "OpExecutionMode %main LocalSize 1 1 1\n"
4866
4867                 "OpSource GLSL 430\n"
4868                 "OpName %main           \"main\"\n"
4869                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4870
4871                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4872
4873                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
4874
4875                 "%fmat      = OpTypeMatrix %fvec3 3\n"
4876                 "%ten       = OpConstant %u32 10\n"
4877                 "%f32arr10  = OpTypeArray %f32 %ten\n"
4878                 "%fst       = OpTypeStruct %f32 %f32\n"
4879
4880                 + string(getComputeAsmInputOutputBuffer()) +
4881
4882                 "%id        = OpVariable %uvec3ptr Input\n"
4883                 "%zero      = OpConstant %i32 0\n"
4884
4885                 // Create a bunch of null values
4886                 "%unull     = OpConstantNull %u32\n"
4887                 "%fnull     = OpConstantNull %f32\n"
4888                 "%vnull     = OpConstantNull %fvec3\n"
4889                 "%mnull     = OpConstantNull %fmat\n"
4890                 "%anull     = OpConstantNull %f32arr10\n"
4891                 "%snull     = OpConstantComposite %fst %fnull %fnull\n"
4892
4893                 "%main      = OpFunction %void None %voidf\n"
4894                 "%label     = OpLabel\n"
4895                 "%idval     = OpLoad %uvec3 %id\n"
4896                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4897                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4898                 "%inval     = OpLoad %f32 %inloc\n"
4899                 "%neg       = OpFNegate %f32 %inval\n"
4900
4901                 // Get the abs() of (a certain element of) those null values
4902                 "%unull_cov = OpConvertUToF %f32 %unull\n"
4903                 "%unull_abs = OpExtInst %f32 %std450 FAbs %unull_cov\n"
4904                 "%fnull_abs = OpExtInst %f32 %std450 FAbs %fnull\n"
4905                 "%vnull_0   = OpCompositeExtract %f32 %vnull 0\n"
4906                 "%vnull_abs = OpExtInst %f32 %std450 FAbs %vnull_0\n"
4907                 "%mnull_12  = OpCompositeExtract %f32 %mnull 1 2\n"
4908                 "%mnull_abs = OpExtInst %f32 %std450 FAbs %mnull_12\n"
4909                 "%anull_3   = OpCompositeExtract %f32 %anull 3\n"
4910                 "%anull_abs = OpExtInst %f32 %std450 FAbs %anull_3\n"
4911                 "%snull_1   = OpCompositeExtract %f32 %snull 1\n"
4912                 "%snull_abs = OpExtInst %f32 %std450 FAbs %snull_1\n"
4913
4914                 // Add them all
4915                 "%add1      = OpFAdd %f32 %neg  %unull_abs\n"
4916                 "%add2      = OpFAdd %f32 %add1 %fnull_abs\n"
4917                 "%add3      = OpFAdd %f32 %add2 %vnull_abs\n"
4918                 "%add4      = OpFAdd %f32 %add3 %mnull_abs\n"
4919                 "%add5      = OpFAdd %f32 %add4 %anull_abs\n"
4920                 "%final     = OpFAdd %f32 %add5 %snull_abs\n"
4921
4922                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4923                 "             OpStore %outloc %final\n" // write to output
4924                 "             OpReturn\n"
4925                 "             OpFunctionEnd\n";
4926         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4927         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4928         spec.numWorkGroups = IVec3(numElements, 1, 1);
4929
4930         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "Check that values constructed via OpConstantNull & OpConstantComposite can be used", spec));
4931
4932         return group.release();
4933 }
4934
4935 // Assembly code used for testing loop control is based on GLSL source code:
4936 // #version 430
4937 //
4938 // layout(std140, set = 0, binding = 0) readonly buffer Input {
4939 //   float elements[];
4940 // } input_data;
4941 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
4942 //   float elements[];
4943 // } output_data;
4944 //
4945 // void main() {
4946 //   uint x = gl_GlobalInvocationID.x;
4947 //   output_data.elements[x] = input_data.elements[x];
4948 //   for (uint i = 0; i < 4; ++i)
4949 //     output_data.elements[x] += 1.f;
4950 // }
4951 tcu::TestCaseGroup* createLoopControlGroup (tcu::TestContext& testCtx)
4952 {
4953         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "loop_control", "Tests loop control cases"));
4954         vector<CaseParameter>                   cases;
4955         de::Random                                              rnd                             (deStringHash(group->getName()));
4956         const int                                               numElements             = 100;
4957         vector<float>                                   inputFloats             (numElements, 0);
4958         vector<float>                                   outputFloats    (numElements, 0);
4959         const StringTemplate                    shaderTemplate  (
4960                 string(getComputeAsmShaderPreamble()) +
4961
4962                 "OpSource GLSL 430\n"
4963                 "OpName %main \"main\"\n"
4964                 "OpName %id \"gl_GlobalInvocationID\"\n"
4965
4966                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4967
4968                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4969
4970                 "%u32ptr      = OpTypePointer Function %u32\n"
4971
4972                 "%id          = OpVariable %uvec3ptr Input\n"
4973                 "%zero        = OpConstant %i32 0\n"
4974                 "%uzero       = OpConstant %u32 0\n"
4975                 "%one         = OpConstant %i32 1\n"
4976                 "%constf1     = OpConstant %f32 1.0\n"
4977                 "%four        = OpConstant %u32 4\n"
4978
4979                 "%main        = OpFunction %void None %voidf\n"
4980                 "%entry       = OpLabel\n"
4981                 "%i           = OpVariable %u32ptr Function\n"
4982                 "               OpStore %i %uzero\n"
4983
4984                 "%idval       = OpLoad %uvec3 %id\n"
4985                 "%x           = OpCompositeExtract %u32 %idval 0\n"
4986                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
4987                 "%inval       = OpLoad %f32 %inloc\n"
4988                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
4989                 "               OpStore %outloc %inval\n"
4990                 "               OpBranch %loop_entry\n"
4991
4992                 "%loop_entry  = OpLabel\n"
4993                 "%i_val       = OpLoad %u32 %i\n"
4994                 "%cmp_lt      = OpULessThan %bool %i_val %four\n"
4995                 "               OpLoopMerge %loop_merge %loop_body ${CONTROL}\n"
4996                 "               OpBranchConditional %cmp_lt %loop_body %loop_merge\n"
4997                 "%loop_body   = OpLabel\n"
4998                 "%outval      = OpLoad %f32 %outloc\n"
4999                 "%addf1       = OpFAdd %f32 %outval %constf1\n"
5000                 "               OpStore %outloc %addf1\n"
5001                 "%new_i       = OpIAdd %u32 %i_val %one\n"
5002                 "               OpStore %i %new_i\n"
5003                 "               OpBranch %loop_entry\n"
5004                 "%loop_merge  = OpLabel\n"
5005                 "               OpReturn\n"
5006                 "               OpFunctionEnd\n");
5007
5008         cases.push_back(CaseParameter("none",                           "None"));
5009         cases.push_back(CaseParameter("unroll",                         "Unroll"));
5010         cases.push_back(CaseParameter("dont_unroll",            "DontUnroll"));
5011         cases.push_back(CaseParameter("unroll_dont_unroll",     "Unroll|DontUnroll"));
5012
5013         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
5014
5015         for (size_t ndx = 0; ndx < numElements; ++ndx)
5016                 outputFloats[ndx] = inputFloats[ndx] + 4.f;
5017
5018         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5019         {
5020                 map<string, string>             specializations;
5021                 ComputeShaderSpec               spec;
5022
5023                 specializations["CONTROL"] = cases[caseNdx].param;
5024                 spec.assembly = shaderTemplate.specialize(specializations);
5025                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5026                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5027                 spec.numWorkGroups = IVec3(numElements, 1, 1);
5028
5029                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
5030         }
5031
5032         group->addChild(new SpvAsmLoopControlDependencyLengthCase(testCtx, "dependency_length", "dependency_length"));
5033         group->addChild(new SpvAsmLoopControlDependencyInfiniteCase(testCtx, "dependency_infinite", "dependency_infinite"));
5034
5035         return group.release();
5036 }
5037
5038 // Assembly code used for testing selection control is based on GLSL source code:
5039 // #version 430
5040 //
5041 // layout(std140, set = 0, binding = 0) readonly buffer Input {
5042 //   float elements[];
5043 // } input_data;
5044 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
5045 //   float elements[];
5046 // } output_data;
5047 //
5048 // void main() {
5049 //   uint x = gl_GlobalInvocationID.x;
5050 //   float val = input_data.elements[x];
5051 //   if (val > 10.f)
5052 //     output_data.elements[x] = val + 1.f;
5053 //   else
5054 //     output_data.elements[x] = val - 1.f;
5055 // }
5056 tcu::TestCaseGroup* createSelectionControlGroup (tcu::TestContext& testCtx)
5057 {
5058         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "selection_control", "Tests selection control cases"));
5059         vector<CaseParameter>                   cases;
5060         de::Random                                              rnd                             (deStringHash(group->getName()));
5061         const int                                               numElements             = 100;
5062         vector<float>                                   inputFloats             (numElements, 0);
5063         vector<float>                                   outputFloats    (numElements, 0);
5064         const StringTemplate                    shaderTemplate  (
5065                 string(getComputeAsmShaderPreamble()) +
5066
5067                 "OpSource GLSL 430\n"
5068                 "OpName %main \"main\"\n"
5069                 "OpName %id \"gl_GlobalInvocationID\"\n"
5070
5071                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5072
5073                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
5074
5075                 "%id       = OpVariable %uvec3ptr Input\n"
5076                 "%zero     = OpConstant %i32 0\n"
5077                 "%constf1  = OpConstant %f32 1.0\n"
5078                 "%constf10 = OpConstant %f32 10.0\n"
5079
5080                 "%main     = OpFunction %void None %voidf\n"
5081                 "%entry    = OpLabel\n"
5082                 "%idval    = OpLoad %uvec3 %id\n"
5083                 "%x        = OpCompositeExtract %u32 %idval 0\n"
5084                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
5085                 "%inval    = OpLoad %f32 %inloc\n"
5086                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
5087                 "%cmp_gt   = OpFOrdGreaterThan %bool %inval %constf10\n"
5088
5089                 "            OpSelectionMerge %if_end ${CONTROL}\n"
5090                 "            OpBranchConditional %cmp_gt %if_true %if_false\n"
5091                 "%if_true  = OpLabel\n"
5092                 "%addf1    = OpFAdd %f32 %inval %constf1\n"
5093                 "            OpStore %outloc %addf1\n"
5094                 "            OpBranch %if_end\n"
5095                 "%if_false = OpLabel\n"
5096                 "%subf1    = OpFSub %f32 %inval %constf1\n"
5097                 "            OpStore %outloc %subf1\n"
5098                 "            OpBranch %if_end\n"
5099                 "%if_end   = OpLabel\n"
5100                 "            OpReturn\n"
5101                 "            OpFunctionEnd\n");
5102
5103         cases.push_back(CaseParameter("none",                                   "None"));
5104         cases.push_back(CaseParameter("flatten",                                "Flatten"));
5105         cases.push_back(CaseParameter("dont_flatten",                   "DontFlatten"));
5106         cases.push_back(CaseParameter("flatten_dont_flatten",   "DontFlatten|Flatten"));
5107
5108         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
5109
5110         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
5111         floorAll(inputFloats);
5112
5113         for (size_t ndx = 0; ndx < numElements; ++ndx)
5114                 outputFloats[ndx] = inputFloats[ndx] + (inputFloats[ndx] > 10.f ? 1.f : -1.f);
5115
5116         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5117         {
5118                 map<string, string>             specializations;
5119                 ComputeShaderSpec               spec;
5120
5121                 specializations["CONTROL"] = cases[caseNdx].param;
5122                 spec.assembly = shaderTemplate.specialize(specializations);
5123                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5124                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5125                 spec.numWorkGroups = IVec3(numElements, 1, 1);
5126
5127                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
5128         }
5129
5130         return group.release();
5131 }
5132
5133 tcu::TestCaseGroup* createOpNameGroup(tcu::TestContext& testCtx)
5134 {
5135         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opname", "Tests OpName cases"));
5136         de::MovePtr<tcu::TestCaseGroup> entryMainGroup  (new tcu::TestCaseGroup(testCtx, "entry_main", "OpName tests with entry main"));
5137         de::MovePtr<tcu::TestCaseGroup> entryNotGroup   (new tcu::TestCaseGroup(testCtx, "entry_rdc", "OpName tests with entry rdc"));
5138         vector<CaseParameter>                   cases;
5139         vector<string>                                  testFunc;
5140         de::Random                                              rnd                             (deStringHash(group->getName()));
5141         const int                                               numElements             = 100;
5142         vector<float>                                   inputFloats             (numElements, 0);
5143         vector<float>                                   outputFloats    (numElements, 0);
5144
5145         fillRandomScalars(rnd, -100.0f, 100.0f, &inputFloats[0], numElements);
5146
5147         for(size_t ndx = 0; ndx < numElements; ++ndx)
5148                 outputFloats[ndx] = -inputFloats[ndx];
5149
5150         const StringTemplate shaderTemplate (
5151                 "OpCapability Shader\n"
5152                 "OpMemoryModel Logical GLSL450\n"
5153                 "OpEntryPoint GLCompute %main \"${ENTRY}\" %id\n"
5154                 "OpExecutionMode %main LocalSize 1 1 1\n"
5155
5156                 "OpName %${FUNC_ID} \"${NAME}\"\n"
5157
5158                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5159
5160                 + string(getComputeAsmInputOutputBufferTraits())
5161
5162                 + string(getComputeAsmCommonTypes())
5163
5164                 + string(getComputeAsmInputOutputBuffer()) +
5165
5166                 "%id        = OpVariable %uvec3ptr Input\n"
5167                 "%zero      = OpConstant %i32 0\n"
5168
5169                 "%func      = OpFunction %void None %voidf\n"
5170                 "%5         = OpLabel\n"
5171                 "             OpReturn\n"
5172                 "             OpFunctionEnd\n"
5173
5174                 "%main      = OpFunction %void None %voidf\n"
5175                 "%entry     = OpLabel\n"
5176                 "%7         = OpFunctionCall %void %func\n"
5177
5178                 "%idval     = OpLoad %uvec3 %id\n"
5179                 "%x         = OpCompositeExtract %u32 %idval 0\n"
5180
5181                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
5182                 "%inval     = OpLoad %f32 %inloc\n"
5183                 "%neg       = OpFNegate %f32 %inval\n"
5184                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
5185                 "             OpStore %outloc %neg\n"
5186
5187
5188                 "             OpReturn\n"
5189                 "             OpFunctionEnd\n");
5190
5191         cases.push_back(CaseParameter("_is_main", "main"));
5192         cases.push_back(CaseParameter("_is_not_main", "not_main"));
5193
5194         testFunc.push_back("main");
5195         testFunc.push_back("func");
5196
5197         for(size_t fNdx = 0; fNdx < testFunc.size(); ++fNdx)
5198         {
5199                 for(size_t ndx = 0; ndx < cases.size(); ++ndx)
5200                 {
5201                         map<string, string>     specializations;
5202                         ComputeShaderSpec       spec;
5203
5204                         specializations["ENTRY"] = "main";
5205                         specializations["FUNC_ID"] = testFunc[fNdx];
5206                         specializations["NAME"] = cases[ndx].param;
5207                         spec.assembly = shaderTemplate.specialize(specializations);
5208                         spec.numWorkGroups = IVec3(numElements, 1, 1);
5209                         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5210                         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5211
5212                         entryMainGroup->addChild(new SpvAsmComputeShaderCase(testCtx, (testFunc[fNdx] + cases[ndx].name).c_str(), cases[ndx].name, spec));
5213                 }
5214         }
5215
5216         cases.push_back(CaseParameter("_is_entry", "rdc"));
5217
5218         for(size_t fNdx = 0; fNdx < testFunc.size(); ++fNdx)
5219         {
5220                 for(size_t ndx = 0; ndx < cases.size(); ++ndx)
5221                 {
5222                         map<string, string>     specializations;
5223                         ComputeShaderSpec       spec;
5224
5225                         specializations["ENTRY"] = "rdc";
5226                         specializations["FUNC_ID"] = testFunc[fNdx];
5227                         specializations["NAME"] = cases[ndx].param;
5228                         spec.assembly = shaderTemplate.specialize(specializations);
5229                         spec.numWorkGroups = IVec3(numElements, 1, 1);
5230                         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5231                         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5232                         spec.entryPoint = "rdc";
5233
5234                         entryNotGroup->addChild(new SpvAsmComputeShaderCase(testCtx, (testFunc[fNdx] + cases[ndx].name).c_str(), cases[ndx].name, spec));
5235                 }
5236         }
5237
5238         group->addChild(entryMainGroup.release());
5239         group->addChild(entryNotGroup.release());
5240
5241         return group.release();
5242 }
5243
5244 // Assembly code used for testing function control is based on GLSL source code:
5245 //
5246 // #version 430
5247 //
5248 // layout(std140, set = 0, binding = 0) readonly buffer Input {
5249 //   float elements[];
5250 // } input_data;
5251 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
5252 //   float elements[];
5253 // } output_data;
5254 //
5255 // float const10() { return 10.f; }
5256 //
5257 // void main() {
5258 //   uint x = gl_GlobalInvocationID.x;
5259 //   output_data.elements[x] = input_data.elements[x] + const10();
5260 // }
5261 tcu::TestCaseGroup* createFunctionControlGroup (tcu::TestContext& testCtx)
5262 {
5263         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "function_control", "Tests function control cases"));
5264         vector<CaseParameter>                   cases;
5265         de::Random                                              rnd                             (deStringHash(group->getName()));
5266         const int                                               numElements             = 100;
5267         vector<float>                                   inputFloats             (numElements, 0);
5268         vector<float>                                   outputFloats    (numElements, 0);
5269         const StringTemplate                    shaderTemplate  (
5270                 string(getComputeAsmShaderPreamble()) +
5271
5272                 "OpSource GLSL 430\n"
5273                 "OpName %main \"main\"\n"
5274                 "OpName %func_const10 \"const10(\"\n"
5275                 "OpName %id \"gl_GlobalInvocationID\"\n"
5276
5277                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5278
5279                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
5280
5281                 "%f32f = OpTypeFunction %f32\n"
5282                 "%id = OpVariable %uvec3ptr Input\n"
5283                 "%zero = OpConstant %i32 0\n"
5284                 "%constf10 = OpConstant %f32 10.0\n"
5285
5286                 "%main         = OpFunction %void None %voidf\n"
5287                 "%entry        = OpLabel\n"
5288                 "%idval        = OpLoad %uvec3 %id\n"
5289                 "%x            = OpCompositeExtract %u32 %idval 0\n"
5290                 "%inloc        = OpAccessChain %f32ptr %indata %zero %x\n"
5291                 "%inval        = OpLoad %f32 %inloc\n"
5292                 "%ret_10       = OpFunctionCall %f32 %func_const10\n"
5293                 "%fadd         = OpFAdd %f32 %inval %ret_10\n"
5294                 "%outloc       = OpAccessChain %f32ptr %outdata %zero %x\n"
5295                 "                OpStore %outloc %fadd\n"
5296                 "                OpReturn\n"
5297                 "                OpFunctionEnd\n"
5298
5299                 "%func_const10 = OpFunction %f32 ${CONTROL} %f32f\n"
5300                 "%label        = OpLabel\n"
5301                 "                OpReturnValue %constf10\n"
5302                 "                OpFunctionEnd\n");
5303
5304         cases.push_back(CaseParameter("none",                                           "None"));
5305         cases.push_back(CaseParameter("inline",                                         "Inline"));
5306         cases.push_back(CaseParameter("dont_inline",                            "DontInline"));
5307         cases.push_back(CaseParameter("pure",                                           "Pure"));
5308         cases.push_back(CaseParameter("const",                                          "Const"));
5309         cases.push_back(CaseParameter("inline_pure",                            "Inline|Pure"));
5310         cases.push_back(CaseParameter("const_dont_inline",                      "Const|DontInline"));
5311         cases.push_back(CaseParameter("inline_dont_inline",                     "Inline|DontInline"));
5312         cases.push_back(CaseParameter("pure_inline_dont_inline",        "Pure|Inline|DontInline"));
5313
5314         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
5315
5316         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
5317         floorAll(inputFloats);
5318
5319         for (size_t ndx = 0; ndx < numElements; ++ndx)
5320                 outputFloats[ndx] = inputFloats[ndx] + 10.f;
5321
5322         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5323         {
5324                 map<string, string>             specializations;
5325                 ComputeShaderSpec               spec;
5326
5327                 specializations["CONTROL"] = cases[caseNdx].param;
5328                 spec.assembly = shaderTemplate.specialize(specializations);
5329                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5330                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5331                 spec.numWorkGroups = IVec3(numElements, 1, 1);
5332
5333                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
5334         }
5335
5336         return group.release();
5337 }
5338
5339 tcu::TestCaseGroup* createMemoryAccessGroup (tcu::TestContext& testCtx)
5340 {
5341         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "memory_access", "Tests memory access cases"));
5342         vector<CaseParameter>                   cases;
5343         de::Random                                              rnd                             (deStringHash(group->getName()));
5344         const int                                               numElements             = 100;
5345         vector<float>                                   inputFloats             (numElements, 0);
5346         vector<float>                                   outputFloats    (numElements, 0);
5347         const StringTemplate                    shaderTemplate  (
5348                 string(getComputeAsmShaderPreamble()) +
5349
5350                 "OpSource GLSL 430\n"
5351                 "OpName %main           \"main\"\n"
5352                 "OpName %id             \"gl_GlobalInvocationID\"\n"
5353
5354                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5355
5356                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
5357
5358                 "%f32ptr_f  = OpTypePointer Function %f32\n"
5359
5360                 "%id        = OpVariable %uvec3ptr Input\n"
5361                 "%zero      = OpConstant %i32 0\n"
5362                 "%four      = OpConstant %i32 4\n"
5363
5364                 "%main      = OpFunction %void None %voidf\n"
5365                 "%label     = OpLabel\n"
5366                 "%copy      = OpVariable %f32ptr_f Function\n"
5367                 "%idval     = OpLoad %uvec3 %id ${ACCESS}\n"
5368                 "%x         = OpCompositeExtract %u32 %idval 0\n"
5369                 "%inloc     = OpAccessChain %f32ptr %indata  %zero %x\n"
5370                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
5371                 "             OpCopyMemory %copy %inloc ${ACCESS}\n"
5372                 "%val1      = OpLoad %f32 %copy\n"
5373                 "%val2      = OpLoad %f32 %inloc\n"
5374                 "%add       = OpFAdd %f32 %val1 %val2\n"
5375                 "             OpStore %outloc %add ${ACCESS}\n"
5376                 "             OpReturn\n"
5377                 "             OpFunctionEnd\n");
5378
5379         cases.push_back(CaseParameter("null",                                   ""));
5380         cases.push_back(CaseParameter("none",                                   "None"));
5381         cases.push_back(CaseParameter("volatile",                               "Volatile"));
5382         cases.push_back(CaseParameter("aligned",                                "Aligned 4"));
5383         cases.push_back(CaseParameter("nontemporal",                    "Nontemporal"));
5384         cases.push_back(CaseParameter("aligned_nontemporal",    "Aligned|Nontemporal 4"));
5385         cases.push_back(CaseParameter("aligned_volatile",               "Volatile|Aligned 4"));
5386
5387         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
5388
5389         for (size_t ndx = 0; ndx < numElements; ++ndx)
5390                 outputFloats[ndx] = inputFloats[ndx] + inputFloats[ndx];
5391
5392         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5393         {
5394                 map<string, string>             specializations;
5395                 ComputeShaderSpec               spec;
5396
5397                 specializations["ACCESS"] = cases[caseNdx].param;
5398                 spec.assembly = shaderTemplate.specialize(specializations);
5399                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
5400                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
5401                 spec.numWorkGroups = IVec3(numElements, 1, 1);
5402
5403                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
5404         }
5405
5406         return group.release();
5407 }
5408
5409 // Checks that we can get undefined values for various types, without exercising a computation with it.
5410 tcu::TestCaseGroup* createOpUndefGroup (tcu::TestContext& testCtx)
5411 {
5412         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opundef", "Tests the OpUndef instruction"));
5413         vector<CaseParameter>                   cases;
5414         de::Random                                              rnd                             (deStringHash(group->getName()));
5415         const int                                               numElements             = 100;
5416         vector<float>                                   positiveFloats  (numElements, 0);
5417         vector<float>                                   negativeFloats  (numElements, 0);
5418         const StringTemplate                    shaderTemplate  (
5419                 string(getComputeAsmShaderPreamble()) +
5420
5421                 "OpSource GLSL 430\n"
5422                 "OpName %main           \"main\"\n"
5423                 "OpName %id             \"gl_GlobalInvocationID\"\n"
5424
5425                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5426
5427                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
5428                 "%uvec2     = OpTypeVector %u32 2\n"
5429                 "%fvec4     = OpTypeVector %f32 4\n"
5430                 "%fmat33    = OpTypeMatrix %fvec3 3\n"
5431                 "%image     = OpTypeImage %f32 2D 0 0 0 1 Unknown\n"
5432                 "%sampler   = OpTypeSampler\n"
5433                 "%simage    = OpTypeSampledImage %image\n"
5434                 "%const100  = OpConstant %u32 100\n"
5435                 "%uarr100   = OpTypeArray %i32 %const100\n"
5436                 "%struct    = OpTypeStruct %f32 %i32 %u32\n"
5437                 "%pointer   = OpTypePointer Function %i32\n"
5438                 + string(getComputeAsmInputOutputBuffer()) +
5439
5440                 "%id        = OpVariable %uvec3ptr Input\n"
5441                 "%zero      = OpConstant %i32 0\n"
5442
5443                 "%main      = OpFunction %void None %voidf\n"
5444                 "%label     = OpLabel\n"
5445
5446                 "%undef     = OpUndef ${TYPE}\n"
5447
5448                 "%idval     = OpLoad %uvec3 %id\n"
5449                 "%x         = OpCompositeExtract %u32 %idval 0\n"
5450
5451                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
5452                 "%inval     = OpLoad %f32 %inloc\n"
5453                 "%neg       = OpFNegate %f32 %inval\n"
5454                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
5455                 "             OpStore %outloc %neg\n"
5456                 "             OpReturn\n"
5457                 "             OpFunctionEnd\n");
5458
5459         cases.push_back(CaseParameter("bool",                   "%bool"));
5460         cases.push_back(CaseParameter("sint32",                 "%i32"));
5461         cases.push_back(CaseParameter("uint32",                 "%u32"));
5462         cases.push_back(CaseParameter("float32",                "%f32"));
5463         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
5464         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
5465         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
5466         cases.push_back(CaseParameter("image",                  "%image"));
5467         cases.push_back(CaseParameter("sampler",                "%sampler"));
5468         cases.push_back(CaseParameter("sampledimage",   "%simage"));
5469         cases.push_back(CaseParameter("array",                  "%uarr100"));
5470         cases.push_back(CaseParameter("runtimearray",   "%f32arr"));
5471         cases.push_back(CaseParameter("struct",                 "%struct"));
5472         cases.push_back(CaseParameter("pointer",                "%pointer"));
5473
5474         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
5475
5476         for (size_t ndx = 0; ndx < numElements; ++ndx)
5477                 negativeFloats[ndx] = -positiveFloats[ndx];
5478
5479         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5480         {
5481                 map<string, string>             specializations;
5482                 ComputeShaderSpec               spec;
5483
5484                 specializations["TYPE"] = cases[caseNdx].param;
5485                 spec.assembly = shaderTemplate.specialize(specializations);
5486                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
5487                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
5488                 spec.numWorkGroups = IVec3(numElements, 1, 1);
5489
5490                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
5491         }
5492
5493                 return group.release();
5494 }
5495 } // anonymous
5496
5497 tcu::TestCaseGroup* createOpSourceTests (tcu::TestContext& testCtx)
5498 {
5499         struct NameCodePair { string name, code; };
5500         RGBA                                                    defaultColors[4];
5501         de::MovePtr<tcu::TestCaseGroup> opSourceTests                   (new tcu::TestCaseGroup(testCtx, "opsource", "OpSource instruction"));
5502         const std::string                               opsourceGLSLWithFile    = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile ";
5503         map<string, string>                             fragments                               = passthruFragments();
5504         const NameCodePair                              tests[]                                 =
5505         {
5506                 {"unknown", "OpSource Unknown 321"},
5507                 {"essl", "OpSource ESSL 310"},
5508                 {"glsl", "OpSource GLSL 450"},
5509                 {"opencl_cpp", "OpSource OpenCL_CPP 120"},
5510                 {"opencl_c", "OpSource OpenCL_C 120"},
5511                 {"multiple", "OpSource GLSL 450\nOpSource GLSL 450"},
5512                 {"file", opsourceGLSLWithFile},
5513                 {"source", opsourceGLSLWithFile + "\"void main(){}\""},
5514                 // Longest possible source string: SPIR-V limits instructions to 65535
5515                 // words, of which the first 4 are opsourceGLSLWithFile; the rest will
5516                 // contain 65530 UTF8 characters (one word each) plus one last word
5517                 // containing 3 ASCII characters and \0.
5518                 {"longsource", opsourceGLSLWithFile + '"' + makeLongUTF8String(65530) + "ccc" + '"'}
5519         };
5520
5521         getDefaultColors(defaultColors);
5522         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
5523         {
5524                 fragments["debug"] = tests[testNdx].code;
5525                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
5526         }
5527
5528         return opSourceTests.release();
5529 }
5530
5531 tcu::TestCaseGroup* createOpSourceContinuedTests (tcu::TestContext& testCtx)
5532 {
5533         struct NameCodePair { string name, code; };
5534         RGBA                                                            defaultColors[4];
5535         de::MovePtr<tcu::TestCaseGroup>         opSourceTests           (new tcu::TestCaseGroup(testCtx, "opsourcecontinued", "OpSourceContinued instruction"));
5536         map<string, string>                                     fragments                       = passthruFragments();
5537         const std::string                                       opsource                        = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile \"void main(){}\"\n";
5538         const NameCodePair                                      tests[]                         =
5539         {
5540                 {"empty", opsource + "OpSourceContinued \"\""},
5541                 {"short", opsource + "OpSourceContinued \"abcde\""},
5542                 {"multiple", opsource + "OpSourceContinued \"abcde\"\nOpSourceContinued \"fghij\""},
5543                 // Longest possible source string: SPIR-V limits instructions to 65535
5544                 // words, of which the first one is OpSourceContinued/length; the rest
5545                 // will contain 65533 UTF8 characters (one word each) plus one last word
5546                 // containing 3 ASCII characters and \0.
5547                 {"long", opsource + "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\""}
5548         };
5549
5550         getDefaultColors(defaultColors);
5551         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
5552         {
5553                 fragments["debug"] = tests[testNdx].code;
5554                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
5555         }
5556
5557         return opSourceTests.release();
5558 }
5559 tcu::TestCaseGroup* createOpNoLineTests(tcu::TestContext& testCtx)
5560 {
5561         RGBA                                                             defaultColors[4];
5562         de::MovePtr<tcu::TestCaseGroup>          opLineTests             (new tcu::TestCaseGroup(testCtx, "opnoline", "OpNoLine instruction"));
5563         map<string, string>                                      fragments;
5564         getDefaultColors(defaultColors);
5565         fragments["debug"]                      =
5566                 "%name = OpString \"name\"\n";
5567
5568         fragments["pre_main"]   =
5569                 "OpNoLine\n"
5570                 "OpNoLine\n"
5571                 "OpLine %name 1 1\n"
5572                 "OpNoLine\n"
5573                 "OpLine %name 1 1\n"
5574                 "OpLine %name 1 1\n"
5575                 "%second_function = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5576                 "OpNoLine\n"
5577                 "OpLine %name 1 1\n"
5578                 "OpNoLine\n"
5579                 "OpLine %name 1 1\n"
5580                 "OpLine %name 1 1\n"
5581                 "%second_param1 = OpFunctionParameter %v4f32\n"
5582                 "OpNoLine\n"
5583                 "OpNoLine\n"
5584                 "%label_secondfunction = OpLabel\n"
5585                 "OpNoLine\n"
5586                 "OpReturnValue %second_param1\n"
5587                 "OpFunctionEnd\n"
5588                 "OpNoLine\n"
5589                 "OpNoLine\n";
5590
5591         fragments["testfun"]            =
5592                 // A %test_code function that returns its argument unchanged.
5593                 "OpNoLine\n"
5594                 "OpNoLine\n"
5595                 "OpLine %name 1 1\n"
5596                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5597                 "OpNoLine\n"
5598                 "%param1 = OpFunctionParameter %v4f32\n"
5599                 "OpNoLine\n"
5600                 "OpNoLine\n"
5601                 "%label_testfun = OpLabel\n"
5602                 "OpNoLine\n"
5603                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
5604                 "OpReturnValue %val1\n"
5605                 "OpFunctionEnd\n"
5606                 "OpLine %name 1 1\n"
5607                 "OpNoLine\n";
5608
5609         createTestsForAllStages("opnoline", defaultColors, defaultColors, fragments, opLineTests.get());
5610
5611         return opLineTests.release();
5612 }
5613
5614 tcu::TestCaseGroup* createOpModuleProcessedTests(tcu::TestContext& testCtx)
5615 {
5616         RGBA                                                            defaultColors[4];
5617         de::MovePtr<tcu::TestCaseGroup>         opModuleProcessedTests                  (new tcu::TestCaseGroup(testCtx, "opmoduleprocessed", "OpModuleProcessed instruction"));
5618         map<string, string>                                     fragments;
5619         std::vector<std::string>                        noExtensions;
5620         GraphicsResources                                       resources;
5621
5622         getDefaultColors(defaultColors);
5623         resources.verifyBinary = veryfiBinaryShader;
5624         resources.spirvVersion = SPIRV_VERSION_1_3;
5625
5626         fragments["moduleprocessed"]                                                    =
5627                 "OpModuleProcessed \"VULKAN CTS\"\n"
5628                 "OpModuleProcessed \"Negative values\"\n"
5629                 "OpModuleProcessed \"Date: 2017/09/21\"\n";
5630
5631         fragments["pre_main"]   =
5632                 "%second_function = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5633                 "%second_param1 = OpFunctionParameter %v4f32\n"
5634                 "%label_secondfunction = OpLabel\n"
5635                 "OpReturnValue %second_param1\n"
5636                 "OpFunctionEnd\n";
5637
5638         fragments["testfun"]            =
5639                 // A %test_code function that returns its argument unchanged.
5640                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5641                 "%param1 = OpFunctionParameter %v4f32\n"
5642                 "%label_testfun = OpLabel\n"
5643                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
5644                 "OpReturnValue %val1\n"
5645                 "OpFunctionEnd\n";
5646
5647         createTestsForAllStages ("opmoduleprocessed", defaultColors, defaultColors, fragments, resources, noExtensions, opModuleProcessedTests.get());
5648
5649         return opModuleProcessedTests.release();
5650 }
5651
5652
5653 tcu::TestCaseGroup* createOpLineTests(tcu::TestContext& testCtx)
5654 {
5655         RGBA                                                                                                    defaultColors[4];
5656         de::MovePtr<tcu::TestCaseGroup>                                                 opLineTests                     (new tcu::TestCaseGroup(testCtx, "opline", "OpLine instruction"));
5657         map<string, string>                                                                             fragments;
5658         std::vector<std::pair<std::string, std::string> >               problemStrings;
5659
5660         problemStrings.push_back(std::make_pair<std::string, std::string>("empty_name", ""));
5661         problemStrings.push_back(std::make_pair<std::string, std::string>("short_name", "short_name"));
5662         problemStrings.push_back(std::make_pair<std::string, std::string>("long_name", makeLongUTF8String(65530) + "ccc"));
5663         getDefaultColors(defaultColors);
5664
5665         fragments["debug"]                      =
5666                 "%other_name = OpString \"other_name\"\n";
5667
5668         fragments["pre_main"]   =
5669                 "OpLine %file_name 32 0\n"
5670                 "OpLine %file_name 32 32\n"
5671                 "OpLine %file_name 32 40\n"
5672                 "OpLine %other_name 32 40\n"
5673                 "OpLine %other_name 0 100\n"
5674                 "OpLine %other_name 0 4294967295\n"
5675                 "OpLine %other_name 4294967295 0\n"
5676                 "OpLine %other_name 32 40\n"
5677                 "OpLine %file_name 0 0\n"
5678                 "%second_function = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5679                 "OpLine %file_name 1 0\n"
5680                 "%second_param1 = OpFunctionParameter %v4f32\n"
5681                 "OpLine %file_name 1 3\n"
5682                 "OpLine %file_name 1 2\n"
5683                 "%label_secondfunction = OpLabel\n"
5684                 "OpLine %file_name 0 2\n"
5685                 "OpReturnValue %second_param1\n"
5686                 "OpFunctionEnd\n"
5687                 "OpLine %file_name 0 2\n"
5688                 "OpLine %file_name 0 2\n";
5689
5690         fragments["testfun"]            =
5691                 // A %test_code function that returns its argument unchanged.
5692                 "OpLine %file_name 1 0\n"
5693                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5694                 "OpLine %file_name 16 330\n"
5695                 "%param1 = OpFunctionParameter %v4f32\n"
5696                 "OpLine %file_name 14 442\n"
5697                 "%label_testfun = OpLabel\n"
5698                 "OpLine %file_name 11 1024\n"
5699                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
5700                 "OpLine %file_name 2 97\n"
5701                 "OpReturnValue %val1\n"
5702                 "OpFunctionEnd\n"
5703                 "OpLine %file_name 5 32\n";
5704
5705         for (size_t i = 0; i < problemStrings.size(); ++i)
5706         {
5707                 map<string, string> testFragments = fragments;
5708                 testFragments["debug"] += "%file_name = OpString \"" + problemStrings[i].second + "\"\n";
5709                 createTestsForAllStages(string("opline") + "_" + problemStrings[i].first, defaultColors, defaultColors, testFragments, opLineTests.get());
5710         }
5711
5712         return opLineTests.release();
5713 }
5714
5715 tcu::TestCaseGroup* createOpConstantNullTests(tcu::TestContext& testCtx)
5716 {
5717         de::MovePtr<tcu::TestCaseGroup> opConstantNullTests             (new tcu::TestCaseGroup(testCtx, "opconstantnull", "OpConstantNull instruction"));
5718         RGBA                                                    colors[4];
5719
5720
5721         const char                                              functionStart[] =
5722                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5723                 "%param1 = OpFunctionParameter %v4f32\n"
5724                 "%lbl    = OpLabel\n";
5725
5726         const char                                              functionEnd[]   =
5727                 "OpReturnValue %transformed_param\n"
5728                 "OpFunctionEnd\n";
5729
5730         struct NameConstantsCode
5731         {
5732                 string name;
5733                 string constants;
5734                 string code;
5735         };
5736
5737         NameConstantsCode tests[] =
5738         {
5739                 {
5740                         "vec4",
5741                         "%cnull = OpConstantNull %v4f32\n",
5742                         "%transformed_param = OpFAdd %v4f32 %param1 %cnull\n"
5743                 },
5744                 {
5745                         "float",
5746                         "%cnull = OpConstantNull %f32\n",
5747                         "%vp = OpVariable %fp_v4f32 Function\n"
5748                         "%v  = OpLoad %v4f32 %vp\n"
5749                         "%v0 = OpVectorInsertDynamic %v4f32 %v %cnull %c_i32_0\n"
5750                         "%v1 = OpVectorInsertDynamic %v4f32 %v0 %cnull %c_i32_1\n"
5751                         "%v2 = OpVectorInsertDynamic %v4f32 %v1 %cnull %c_i32_2\n"
5752                         "%v3 = OpVectorInsertDynamic %v4f32 %v2 %cnull %c_i32_3\n"
5753                         "%transformed_param = OpFAdd %v4f32 %param1 %v3\n"
5754                 },
5755                 {
5756                         "bool",
5757                         "%cnull             = OpConstantNull %bool\n",
5758                         "%v                 = OpVariable %fp_v4f32 Function\n"
5759                         "                     OpStore %v %param1\n"
5760                         "                     OpSelectionMerge %false_label None\n"
5761                         "                     OpBranchConditional %cnull %true_label %false_label\n"
5762                         "%true_label        = OpLabel\n"
5763                         "                     OpStore %v %c_v4f32_0_5_0_5_0_5_0_5\n"
5764                         "                     OpBranch %false_label\n"
5765                         "%false_label       = OpLabel\n"
5766                         "%transformed_param = OpLoad %v4f32 %v\n"
5767                 },
5768                 {
5769                         "i32",
5770                         "%cnull             = OpConstantNull %i32\n",
5771                         "%v                 = OpVariable %fp_v4f32 Function %c_v4f32_0_5_0_5_0_5_0_5\n"
5772                         "%b                 = OpIEqual %bool %cnull %c_i32_0\n"
5773                         "                     OpSelectionMerge %false_label None\n"
5774                         "                     OpBranchConditional %b %true_label %false_label\n"
5775                         "%true_label        = OpLabel\n"
5776                         "                     OpStore %v %param1\n"
5777                         "                     OpBranch %false_label\n"
5778                         "%false_label       = OpLabel\n"
5779                         "%transformed_param = OpLoad %v4f32 %v\n"
5780                 },
5781                 {
5782                         "struct",
5783                         "%stype             = OpTypeStruct %f32 %v4f32\n"
5784                         "%fp_stype          = OpTypePointer Function %stype\n"
5785                         "%cnull             = OpConstantNull %stype\n",
5786                         "%v                 = OpVariable %fp_stype Function %cnull\n"
5787                         "%f                 = OpAccessChain %fp_v4f32 %v %c_i32_1\n"
5788                         "%f_val             = OpLoad %v4f32 %f\n"
5789                         "%transformed_param = OpFAdd %v4f32 %param1 %f_val\n"
5790                 },
5791                 {
5792                         "array",
5793                         "%a4_v4f32          = OpTypeArray %v4f32 %c_u32_4\n"
5794                         "%fp_a4_v4f32       = OpTypePointer Function %a4_v4f32\n"
5795                         "%cnull             = OpConstantNull %a4_v4f32\n",
5796                         "%v                 = OpVariable %fp_a4_v4f32 Function %cnull\n"
5797                         "%f                 = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
5798                         "%f1                = OpAccessChain %fp_v4f32 %v %c_u32_1\n"
5799                         "%f2                = OpAccessChain %fp_v4f32 %v %c_u32_2\n"
5800                         "%f3                = OpAccessChain %fp_v4f32 %v %c_u32_3\n"
5801                         "%f_val             = OpLoad %v4f32 %f\n"
5802                         "%f1_val            = OpLoad %v4f32 %f1\n"
5803                         "%f2_val            = OpLoad %v4f32 %f2\n"
5804                         "%f3_val            = OpLoad %v4f32 %f3\n"
5805                         "%t0                = OpFAdd %v4f32 %param1 %f_val\n"
5806                         "%t1                = OpFAdd %v4f32 %t0 %f1_val\n"
5807                         "%t2                = OpFAdd %v4f32 %t1 %f2_val\n"
5808                         "%transformed_param = OpFAdd %v4f32 %t2 %f3_val\n"
5809                 },
5810                 {
5811                         "matrix",
5812                         "%mat4x4_f32        = OpTypeMatrix %v4f32 4\n"
5813                         "%cnull             = OpConstantNull %mat4x4_f32\n",
5814                         // Our null matrix * any vector should result in a zero vector.
5815                         "%v                 = OpVectorTimesMatrix %v4f32 %param1 %cnull\n"
5816                         "%transformed_param = OpFAdd %v4f32 %param1 %v\n"
5817                 }
5818         };
5819
5820         getHalfColorsFullAlpha(colors);
5821
5822         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
5823         {
5824                 map<string, string> fragments;
5825                 fragments["pre_main"] = tests[testNdx].constants;
5826                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
5827                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, opConstantNullTests.get());
5828         }
5829         return opConstantNullTests.release();
5830 }
5831 tcu::TestCaseGroup* createOpConstantCompositeTests(tcu::TestContext& testCtx)
5832 {
5833         de::MovePtr<tcu::TestCaseGroup> opConstantCompositeTests                (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "OpConstantComposite instruction"));
5834         RGBA                                                    inputColors[4];
5835         RGBA                                                    outputColors[4];
5836
5837
5838         const char                                              functionStart[]  =
5839                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5840                 "%param1 = OpFunctionParameter %v4f32\n"
5841                 "%lbl    = OpLabel\n";
5842
5843         const char                                              functionEnd[]           =
5844                 "OpReturnValue %transformed_param\n"
5845                 "OpFunctionEnd\n";
5846
5847         struct NameConstantsCode
5848         {
5849                 string name;
5850                 string constants;
5851                 string code;
5852         };
5853
5854         NameConstantsCode tests[] =
5855         {
5856                 {
5857                         "vec4",
5858
5859                         "%cval              = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0\n",
5860                         "%transformed_param = OpFAdd %v4f32 %param1 %cval\n"
5861                 },
5862                 {
5863                         "struct",
5864
5865                         "%stype             = OpTypeStruct %v4f32 %f32\n"
5866                         "%fp_stype          = OpTypePointer Function %stype\n"
5867                         "%f32_n_1           = OpConstant %f32 -1.0\n"
5868                         "%f32_1_5           = OpConstant %f32 !0x3fc00000\n" // +1.5
5869                         "%cvec              = OpConstantComposite %v4f32 %f32_1_5 %f32_1_5 %f32_1_5 %c_f32_1\n"
5870                         "%cval              = OpConstantComposite %stype %cvec %f32_n_1\n",
5871
5872                         "%v                 = OpVariable %fp_stype Function %cval\n"
5873                         "%vec_ptr           = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
5874                         "%f32_ptr           = OpAccessChain %fp_f32 %v %c_u32_1\n"
5875                         "%vec_val           = OpLoad %v4f32 %vec_ptr\n"
5876                         "%f32_val           = OpLoad %f32 %f32_ptr\n"
5877                         "%tmp1              = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_1 %f32_val\n" // vec4(-1)
5878                         "%tmp2              = OpFAdd %v4f32 %tmp1 %param1\n" // param1 + vec4(-1)
5879                         "%transformed_param = OpFAdd %v4f32 %tmp2 %vec_val\n" // param1 + vec4(-1) + vec4(1.5, 1.5, 1.5, 1.0)
5880                 },
5881                 {
5882                         // [1|0|0|0.5] [x] = x + 0.5
5883                         // [0|1|0|0.5] [y] = y + 0.5
5884                         // [0|0|1|0.5] [z] = z + 0.5
5885                         // [0|0|0|1  ] [1] = 1
5886                         "matrix",
5887
5888                         "%mat4x4_f32          = OpTypeMatrix %v4f32 4\n"
5889                         "%v4f32_1_0_0_0       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_0\n"
5890                         "%v4f32_0_1_0_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_1 %c_f32_0 %c_f32_0\n"
5891                         "%v4f32_0_0_1_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_1 %c_f32_0\n"
5892                         "%v4f32_0_5_0_5_0_5_1 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_1\n"
5893                         "%cval                = OpConstantComposite %mat4x4_f32 %v4f32_1_0_0_0 %v4f32_0_1_0_0 %v4f32_0_0_1_0 %v4f32_0_5_0_5_0_5_1\n",
5894
5895                         "%transformed_param   = OpMatrixTimesVector %v4f32 %cval %param1\n"
5896                 },
5897                 {
5898                         "array",
5899
5900                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
5901                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
5902                         "%f32_n_1             = OpConstant %f32 -1.0\n"
5903                         "%f32_1_5             = OpConstant %f32 !0x3fc00000\n" // +1.5
5904                         "%carr                = OpConstantComposite %a4f32 %c_f32_0 %f32_n_1 %f32_1_5 %c_f32_0\n",
5905
5906                         "%v                   = OpVariable %fp_a4f32 Function %carr\n"
5907                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_0\n"
5908                         "%f1                  = OpAccessChain %fp_f32 %v %c_u32_1\n"
5909                         "%f2                  = OpAccessChain %fp_f32 %v %c_u32_2\n"
5910                         "%f3                  = OpAccessChain %fp_f32 %v %c_u32_3\n"
5911                         "%f_val               = OpLoad %f32 %f\n"
5912                         "%f1_val              = OpLoad %f32 %f1\n"
5913                         "%f2_val              = OpLoad %f32 %f2\n"
5914                         "%f3_val              = OpLoad %f32 %f3\n"
5915                         "%ftot1               = OpFAdd %f32 %f_val %f1_val\n"
5916                         "%ftot2               = OpFAdd %f32 %ftot1 %f2_val\n"
5917                         "%ftot3               = OpFAdd %f32 %ftot2 %f3_val\n"  // 0 - 1 + 1.5 + 0
5918                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %ftot3\n"
5919                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
5920                 },
5921                 {
5922                         //
5923                         // [
5924                         //   {
5925                         //      0.0,
5926                         //      [ 1.0, 1.0, 1.0, 1.0]
5927                         //   },
5928                         //   {
5929                         //      1.0,
5930                         //      [ 0.0, 0.5, 0.0, 0.0]
5931                         //   }, //     ^^^
5932                         //   {
5933                         //      0.0,
5934                         //      [ 1.0, 1.0, 1.0, 1.0]
5935                         //   }
5936                         // ]
5937                         "array_of_struct_of_array",
5938
5939                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
5940                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
5941                         "%stype               = OpTypeStruct %f32 %a4f32\n"
5942                         "%a3stype             = OpTypeArray %stype %c_u32_3\n"
5943                         "%fp_a3stype          = OpTypePointer Function %a3stype\n"
5944                         "%ca4f32_0            = OpConstantComposite %a4f32 %c_f32_0 %c_f32_0_5 %c_f32_0 %c_f32_0\n"
5945                         "%ca4f32_1            = OpConstantComposite %a4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
5946                         "%cstype1             = OpConstantComposite %stype %c_f32_0 %ca4f32_1\n"
5947                         "%cstype2             = OpConstantComposite %stype %c_f32_1 %ca4f32_0\n"
5948                         "%carr                = OpConstantComposite %a3stype %cstype1 %cstype2 %cstype1",
5949
5950                         "%v                   = OpVariable %fp_a3stype Function %carr\n"
5951                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_1 %c_u32_1 %c_u32_1\n"
5952                         "%f_l                 = OpLoad %f32 %f\n"
5953                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %f_l\n"
5954                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
5955                 }
5956         };
5957
5958         getHalfColorsFullAlpha(inputColors);
5959         outputColors[0] = RGBA(255, 255, 255, 255);
5960         outputColors[1] = RGBA(255, 127, 127, 255);
5961         outputColors[2] = RGBA(127, 255, 127, 255);
5962         outputColors[3] = RGBA(127, 127, 255, 255);
5963
5964         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
5965         {
5966                 map<string, string> fragments;
5967                 fragments["pre_main"] = tests[testNdx].constants;
5968                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
5969                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, opConstantCompositeTests.get());
5970         }
5971         return opConstantCompositeTests.release();
5972 }
5973
5974 tcu::TestCaseGroup* createSelectionBlockOrderTests(tcu::TestContext& testCtx)
5975 {
5976         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "selection_block_order", "Out-of-order blocks for selection"));
5977         RGBA                                                    inputColors[4];
5978         RGBA                                                    outputColors[4];
5979         map<string, string>                             fragments;
5980
5981         // vec4 test_code(vec4 param) {
5982         //   vec4 result = param;
5983         //   for (int i = 0; i < 4; ++i) {
5984         //     if (i == 0) result[i] = 0.;
5985         //     else        result[i] = 1. - result[i];
5986         //   }
5987         //   return result;
5988         // }
5989         const char                                              function[]                      =
5990                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
5991                 "%param1    = OpFunctionParameter %v4f32\n"
5992                 "%lbl       = OpLabel\n"
5993                 "%iptr      = OpVariable %fp_i32 Function\n"
5994                 "%result    = OpVariable %fp_v4f32 Function\n"
5995                 "             OpStore %iptr %c_i32_0\n"
5996                 "             OpStore %result %param1\n"
5997                 "             OpBranch %loop\n"
5998
5999                 // Loop entry block.
6000                 "%loop      = OpLabel\n"
6001                 "%ival      = OpLoad %i32 %iptr\n"
6002                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6003                 "             OpLoopMerge %exit %if_entry None\n"
6004                 "             OpBranchConditional %lt_4 %if_entry %exit\n"
6005
6006                 // Merge block for loop.
6007                 "%exit      = OpLabel\n"
6008                 "%ret       = OpLoad %v4f32 %result\n"
6009                 "             OpReturnValue %ret\n"
6010
6011                 // If-statement entry block.
6012                 "%if_entry  = OpLabel\n"
6013                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
6014                 "%eq_0      = OpIEqual %bool %ival %c_i32_0\n"
6015                 "             OpSelectionMerge %if_exit None\n"
6016                 "             OpBranchConditional %eq_0 %if_true %if_false\n"
6017
6018                 // False branch for if-statement.
6019                 "%if_false  = OpLabel\n"
6020                 "%val       = OpLoad %f32 %loc\n"
6021                 "%sub       = OpFSub %f32 %c_f32_1 %val\n"
6022                 "             OpStore %loc %sub\n"
6023                 "             OpBranch %if_exit\n"
6024
6025                 // Merge block for if-statement.
6026                 "%if_exit   = OpLabel\n"
6027                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
6028                 "             OpStore %iptr %ival_next\n"
6029                 "             OpBranch %loop\n"
6030
6031                 // True branch for if-statement.
6032                 "%if_true   = OpLabel\n"
6033                 "             OpStore %loc %c_f32_0\n"
6034                 "             OpBranch %if_exit\n"
6035
6036                 "             OpFunctionEnd\n";
6037
6038         fragments["testfun"]    = function;
6039
6040         inputColors[0]                  = RGBA(127, 127, 127, 0);
6041         inputColors[1]                  = RGBA(127, 0,   0,   0);
6042         inputColors[2]                  = RGBA(0,   127, 0,   0);
6043         inputColors[3]                  = RGBA(0,   0,   127, 0);
6044
6045         outputColors[0]                 = RGBA(0, 128, 128, 255);
6046         outputColors[1]                 = RGBA(0, 255, 255, 255);
6047         outputColors[2]                 = RGBA(0, 128, 255, 255);
6048         outputColors[3]                 = RGBA(0, 255, 128, 255);
6049
6050         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
6051
6052         return group.release();
6053 }
6054
6055 tcu::TestCaseGroup* createSwitchBlockOrderTests(tcu::TestContext& testCtx)
6056 {
6057         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "switch_block_order", "Out-of-order blocks for switch"));
6058         RGBA                                                    inputColors[4];
6059         RGBA                                                    outputColors[4];
6060         map<string, string>                             fragments;
6061
6062         const char                                              typesAndConstants[]     =
6063                 "%c_f32_p2  = OpConstant %f32 0.2\n"
6064                 "%c_f32_p4  = OpConstant %f32 0.4\n"
6065                 "%c_f32_p6  = OpConstant %f32 0.6\n"
6066                 "%c_f32_p8  = OpConstant %f32 0.8\n";
6067
6068         // vec4 test_code(vec4 param) {
6069         //   vec4 result = param;
6070         //   for (int i = 0; i < 4; ++i) {
6071         //     switch (i) {
6072         //       case 0: result[i] += .2; break;
6073         //       case 1: result[i] += .6; break;
6074         //       case 2: result[i] += .4; break;
6075         //       case 3: result[i] += .8; break;
6076         //       default: break; // unreachable
6077         //     }
6078         //   }
6079         //   return result;
6080         // }
6081         const char                                              function[]                      =
6082                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6083                 "%param1    = OpFunctionParameter %v4f32\n"
6084                 "%lbl       = OpLabel\n"
6085                 "%iptr      = OpVariable %fp_i32 Function\n"
6086                 "%result    = OpVariable %fp_v4f32 Function\n"
6087                 "             OpStore %iptr %c_i32_0\n"
6088                 "             OpStore %result %param1\n"
6089                 "             OpBranch %loop\n"
6090
6091                 // Loop entry block.
6092                 "%loop      = OpLabel\n"
6093                 "%ival      = OpLoad %i32 %iptr\n"
6094                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6095                 "             OpLoopMerge %exit %switch_exit None\n"
6096                 "             OpBranchConditional %lt_4 %switch_entry %exit\n"
6097
6098                 // Merge block for loop.
6099                 "%exit      = OpLabel\n"
6100                 "%ret       = OpLoad %v4f32 %result\n"
6101                 "             OpReturnValue %ret\n"
6102
6103                 // Switch-statement entry block.
6104                 "%switch_entry   = OpLabel\n"
6105                 "%loc            = OpAccessChain %fp_f32 %result %ival\n"
6106                 "%val            = OpLoad %f32 %loc\n"
6107                 "                  OpSelectionMerge %switch_exit None\n"
6108                 "                  OpSwitch %ival %switch_default 0 %case0 1 %case1 2 %case2 3 %case3\n"
6109
6110                 "%case2          = OpLabel\n"
6111                 "%addp4          = OpFAdd %f32 %val %c_f32_p4\n"
6112                 "                  OpStore %loc %addp4\n"
6113                 "                  OpBranch %switch_exit\n"
6114
6115                 "%switch_default = OpLabel\n"
6116                 "                  OpUnreachable\n"
6117
6118                 "%case3          = OpLabel\n"
6119                 "%addp8          = OpFAdd %f32 %val %c_f32_p8\n"
6120                 "                  OpStore %loc %addp8\n"
6121                 "                  OpBranch %switch_exit\n"
6122
6123                 "%case0          = OpLabel\n"
6124                 "%addp2          = OpFAdd %f32 %val %c_f32_p2\n"
6125                 "                  OpStore %loc %addp2\n"
6126                 "                  OpBranch %switch_exit\n"
6127
6128                 // Merge block for switch-statement.
6129                 "%switch_exit    = OpLabel\n"
6130                 "%ival_next      = OpIAdd %i32 %ival %c_i32_1\n"
6131                 "                  OpStore %iptr %ival_next\n"
6132                 "                  OpBranch %loop\n"
6133
6134                 "%case1          = OpLabel\n"
6135                 "%addp6          = OpFAdd %f32 %val %c_f32_p6\n"
6136                 "                  OpStore %loc %addp6\n"
6137                 "                  OpBranch %switch_exit\n"
6138
6139                 "                  OpFunctionEnd\n";
6140
6141         fragments["pre_main"]   = typesAndConstants;
6142         fragments["testfun"]    = function;
6143
6144         inputColors[0]                  = RGBA(127, 27,  127, 51);
6145         inputColors[1]                  = RGBA(127, 0,   0,   51);
6146         inputColors[2]                  = RGBA(0,   27,  0,   51);
6147         inputColors[3]                  = RGBA(0,   0,   127, 51);
6148
6149         outputColors[0]                 = RGBA(178, 180, 229, 255);
6150         outputColors[1]                 = RGBA(178, 153, 102, 255);
6151         outputColors[2]                 = RGBA(51,  180, 102, 255);
6152         outputColors[3]                 = RGBA(51,  153, 229, 255);
6153
6154         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
6155
6156         return group.release();
6157 }
6158
6159 tcu::TestCaseGroup* createDecorationGroupTests(tcu::TestContext& testCtx)
6160 {
6161         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "decoration_group", "Decoration group tests"));
6162         RGBA                                                    inputColors[4];
6163         RGBA                                                    outputColors[4];
6164         map<string, string>                             fragments;
6165
6166         const char                                              decorations[]           =
6167                 "OpDecorate %array_group         ArrayStride 4\n"
6168                 "OpDecorate %struct_member_group Offset 0\n"
6169                 "%array_group         = OpDecorationGroup\n"
6170                 "%struct_member_group = OpDecorationGroup\n"
6171
6172                 "OpDecorate %group1 RelaxedPrecision\n"
6173                 "OpDecorate %group3 RelaxedPrecision\n"
6174                 "OpDecorate %group3 Invariant\n"
6175                 "OpDecorate %group3 Restrict\n"
6176                 "%group0 = OpDecorationGroup\n"
6177                 "%group1 = OpDecorationGroup\n"
6178                 "%group3 = OpDecorationGroup\n";
6179
6180         const char                                              typesAndConstants[]     =
6181                 "%a3f32     = OpTypeArray %f32 %c_u32_3\n"
6182                 "%struct1   = OpTypeStruct %a3f32\n"
6183                 "%struct2   = OpTypeStruct %a3f32\n"
6184                 "%fp_struct1 = OpTypePointer Function %struct1\n"
6185                 "%fp_struct2 = OpTypePointer Function %struct2\n"
6186                 "%c_f32_2    = OpConstant %f32 2.\n"
6187                 "%c_f32_n2   = OpConstant %f32 -2.\n"
6188
6189                 "%c_a3f32_1 = OpConstantComposite %a3f32 %c_f32_1 %c_f32_2 %c_f32_1\n"
6190                 "%c_a3f32_2 = OpConstantComposite %a3f32 %c_f32_n1 %c_f32_n2 %c_f32_n1\n"
6191                 "%c_struct1 = OpConstantComposite %struct1 %c_a3f32_1\n"
6192                 "%c_struct2 = OpConstantComposite %struct2 %c_a3f32_2\n";
6193
6194         const char                                              function[]                      =
6195                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6196                 "%param     = OpFunctionParameter %v4f32\n"
6197                 "%entry     = OpLabel\n"
6198                 "%result    = OpVariable %fp_v4f32 Function\n"
6199                 "%v_struct1 = OpVariable %fp_struct1 Function\n"
6200                 "%v_struct2 = OpVariable %fp_struct2 Function\n"
6201                 "             OpStore %result %param\n"
6202                 "             OpStore %v_struct1 %c_struct1\n"
6203                 "             OpStore %v_struct2 %c_struct2\n"
6204                 "%ptr1      = OpAccessChain %fp_f32 %v_struct1 %c_i32_0 %c_i32_2\n"
6205                 "%val1      = OpLoad %f32 %ptr1\n"
6206                 "%ptr2      = OpAccessChain %fp_f32 %v_struct2 %c_i32_0 %c_i32_2\n"
6207                 "%val2      = OpLoad %f32 %ptr2\n"
6208                 "%addvalues = OpFAdd %f32 %val1 %val2\n"
6209                 "%ptr       = OpAccessChain %fp_f32 %result %c_i32_1\n"
6210                 "%val       = OpLoad %f32 %ptr\n"
6211                 "%addresult = OpFAdd %f32 %addvalues %val\n"
6212                 "             OpStore %ptr %addresult\n"
6213                 "%ret       = OpLoad %v4f32 %result\n"
6214                 "             OpReturnValue %ret\n"
6215                 "             OpFunctionEnd\n";
6216
6217         struct CaseNameDecoration
6218         {
6219                 string name;
6220                 string decoration;
6221         };
6222
6223         CaseNameDecoration tests[] =
6224         {
6225                 {
6226                         "same_decoration_group_on_multiple_types",
6227                         "OpGroupMemberDecorate %struct_member_group %struct1 0 %struct2 0\n"
6228                 },
6229                 {
6230                         "empty_decoration_group",
6231                         "OpGroupDecorate %group0      %a3f32\n"
6232                         "OpGroupDecorate %group0      %result\n"
6233                 },
6234                 {
6235                         "one_element_decoration_group",
6236                         "OpGroupDecorate %array_group %a3f32\n"
6237                 },
6238                 {
6239                         "multiple_elements_decoration_group",
6240                         "OpGroupDecorate %group3      %v_struct1\n"
6241                 },
6242                 {
6243                         "multiple_decoration_groups_on_same_variable",
6244                         "OpGroupDecorate %group0      %v_struct2\n"
6245                         "OpGroupDecorate %group1      %v_struct2\n"
6246                         "OpGroupDecorate %group3      %v_struct2\n"
6247                 },
6248                 {
6249                         "same_decoration_group_multiple_times",
6250                         "OpGroupDecorate %group1      %addvalues\n"
6251                         "OpGroupDecorate %group1      %addvalues\n"
6252                         "OpGroupDecorate %group1      %addvalues\n"
6253                 },
6254
6255         };
6256
6257         getHalfColorsFullAlpha(inputColors);
6258         getHalfColorsFullAlpha(outputColors);
6259
6260         for (size_t idx = 0; idx < (sizeof(tests) / sizeof(tests[0])); ++idx)
6261         {
6262                 fragments["decoration"] = decorations + tests[idx].decoration;
6263                 fragments["pre_main"]   = typesAndConstants;
6264                 fragments["testfun"]    = function;
6265
6266                 createTestsForAllStages(tests[idx].name, inputColors, outputColors, fragments, group.get());
6267         }
6268
6269         return group.release();
6270 }
6271
6272 struct SpecConstantTwoIntGraphicsCase
6273 {
6274         const char*             caseName;
6275         const char*             scDefinition0;
6276         const char*             scDefinition1;
6277         const char*             scResultType;
6278         const char*             scOperation;
6279         deInt32                 scActualValue0;
6280         deInt32                 scActualValue1;
6281         const char*             resultOperation;
6282         RGBA                    expectedColors[4];
6283
6284                                         SpecConstantTwoIntGraphicsCase (const char* name,
6285                                                                                         const char* definition0,
6286                                                                                         const char* definition1,
6287                                                                                         const char* resultType,
6288                                                                                         const char* operation,
6289                                                                                         deInt32         value0,
6290                                                                                         deInt32         value1,
6291                                                                                         const char* resultOp,
6292                                                                                         const RGBA      (&output)[4])
6293                                                 : caseName                      (name)
6294                                                 , scDefinition0         (definition0)
6295                                                 , scDefinition1         (definition1)
6296                                                 , scResultType          (resultType)
6297                                                 , scOperation           (operation)
6298                                                 , scActualValue0        (value0)
6299                                                 , scActualValue1        (value1)
6300                                                 , resultOperation       (resultOp)
6301         {
6302                 expectedColors[0] = output[0];
6303                 expectedColors[1] = output[1];
6304                 expectedColors[2] = output[2];
6305                 expectedColors[3] = output[3];
6306         }
6307 };
6308
6309 tcu::TestCaseGroup* createSpecConstantTests (tcu::TestContext& testCtx)
6310 {
6311         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
6312         vector<SpecConstantTwoIntGraphicsCase>  cases;
6313         RGBA                                                    inputColors[4];
6314         RGBA                                                    outputColors0[4];
6315         RGBA                                                    outputColors1[4];
6316         RGBA                                                    outputColors2[4];
6317
6318         const char      decorations1[]                  =
6319                 "OpDecorate %sc_0  SpecId 0\n"
6320                 "OpDecorate %sc_1  SpecId 1\n";
6321
6322         const char      typesAndConstants1[]    =
6323                 "${OPTYPE_DEFINITIONS:opt}"
6324                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
6325                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
6326                 "%sc_op     = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n";
6327
6328         const char      function1[]                             =
6329                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6330                 "%param     = OpFunctionParameter %v4f32\n"
6331                 "%label     = OpLabel\n"
6332                 "%result    = OpVariable %fp_v4f32 Function\n"
6333                 "${TYPE_CONVERT:opt}"
6334                 "             OpStore %result %param\n"
6335                 "%gen       = ${GEN_RESULT}\n"
6336                 "%index     = OpIAdd %i32 %gen %c_i32_1\n"
6337                 "%loc       = OpAccessChain %fp_f32 %result %index\n"
6338                 "%val       = OpLoad %f32 %loc\n"
6339                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
6340                 "             OpStore %loc %add\n"
6341                 "%ret       = OpLoad %v4f32 %result\n"
6342                 "             OpReturnValue %ret\n"
6343                 "             OpFunctionEnd\n";
6344
6345         inputColors[0] = RGBA(127, 127, 127, 255);
6346         inputColors[1] = RGBA(127, 0,   0,   255);
6347         inputColors[2] = RGBA(0,   127, 0,   255);
6348         inputColors[3] = RGBA(0,   0,   127, 255);
6349
6350         // Derived from inputColors[x] by adding 128 to inputColors[x][0].
6351         outputColors0[0] = RGBA(255, 127, 127, 255);
6352         outputColors0[1] = RGBA(255, 0,   0,   255);
6353         outputColors0[2] = RGBA(128, 127, 0,   255);
6354         outputColors0[3] = RGBA(128, 0,   127, 255);
6355
6356         // Derived from inputColors[x] by adding 128 to inputColors[x][1].
6357         outputColors1[0] = RGBA(127, 255, 127, 255);
6358         outputColors1[1] = RGBA(127, 128, 0,   255);
6359         outputColors1[2] = RGBA(0,   255, 0,   255);
6360         outputColors1[3] = RGBA(0,   128, 127, 255);
6361
6362         // Derived from inputColors[x] by adding 128 to inputColors[x][2].
6363         outputColors2[0] = RGBA(127, 127, 255, 255);
6364         outputColors2[1] = RGBA(127, 0,   128, 255);
6365         outputColors2[2] = RGBA(0,   127, 128, 255);
6366         outputColors2[3] = RGBA(0,   0,   255, 255);
6367
6368         const char addZeroToSc[]                = "OpIAdd %i32 %c_i32_0 %sc_op";
6369         const char addZeroToSc32[]              = "OpIAdd %i32 %c_i32_0 %sc_op32";
6370         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_op %c_i32_1 %c_i32_0";
6371         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_op %c_i32_0 %c_i32_1";
6372
6373         cases.push_back(SpecConstantTwoIntGraphicsCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                             19,             -20,    addZeroToSc,            outputColors0));
6374         cases.push_back(SpecConstantTwoIntGraphicsCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                             19,             20,             addZeroToSc,            outputColors0));
6375         cases.push_back(SpecConstantTwoIntGraphicsCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                             -1,             -1,             addZeroToSc,            outputColors2));
6376         cases.push_back(SpecConstantTwoIntGraphicsCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                             -126,   126,    addZeroToSc,            outputColors0));
6377         cases.push_back(SpecConstantTwoIntGraphicsCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                             126,    126,    addZeroToSc,            outputColors2));
6378         cases.push_back(SpecConstantTwoIntGraphicsCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
6379         cases.push_back(SpecConstantTwoIntGraphicsCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
6380         cases.push_back(SpecConstantTwoIntGraphicsCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                             1001,   500,    addZeroToSc,            outputColors2));
6381         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                             0x33,   0x0d,   addZeroToSc,            outputColors2));
6382         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                             0,              1,              addZeroToSc,            outputColors2));
6383         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                             0x2e,   0x2f,   addZeroToSc,            outputColors2));
6384         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                             2,              1,              addZeroToSc,            outputColors2));
6385         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                             -4,             2,              addZeroToSc,            outputColors0));
6386         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                             1,              0,              addZeroToSc,            outputColors2));
6387         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                             -20,    -10,    selectTrueUsingSc,      outputColors2));
6388         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                             10,             20,             selectTrueUsingSc,      outputColors2));
6389         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
6390         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                             10,             5,              selectTrueUsingSc,      outputColors2));
6391         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                             -10,    -10,    selectTrueUsingSc,      outputColors2));
6392         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                             50,             100,    selectTrueUsingSc,      outputColors2));
6393         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
6394         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                             10,             10,             selectTrueUsingSc,      outputColors2));
6395         cases.push_back(SpecConstantTwoIntGraphicsCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                             42,             24,             selectFalseUsingSc,     outputColors2));
6396         cases.push_back(SpecConstantTwoIntGraphicsCase("inotequal",                             " %i32 0",              " %i32 0",              "%bool",        "INotEqual            %sc_0 %sc_1",                             42,             24,             selectTrueUsingSc,      outputColors2));
6397         cases.push_back(SpecConstantTwoIntGraphicsCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
6398         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
6399         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
6400         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
6401         cases.push_back(SpecConstantTwoIntGraphicsCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                                   -1,             0,              addZeroToSc,            outputColors2));
6402         cases.push_back(SpecConstantTwoIntGraphicsCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                                   -2,             0,              addZeroToSc,            outputColors2));
6403         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                                   1,              0,              selectFalseUsingSc,     outputColors2));
6404         cases.push_back(SpecConstantTwoIntGraphicsCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %c_i32_0",    1,              1,              addZeroToSc,            outputColors2));
6405         cases.push_back(SpecConstantTwoIntGraphicsCase("sconvert",                              " %i32 0",              " %i32 0",              "%i16",         "SConvert             %sc_0",                                   -1,             0,              addZeroToSc32,          outputColors0));
6406         // -1082130432 stored as 32-bit two's complement is the binary representation of -1 as IEEE-754 Float
6407         cases.push_back(SpecConstantTwoIntGraphicsCase("fconvert",                              " %f32 0",              " %f32 0",              "%f64",         "FConvert             %sc_0",                                   -1082130432, 0, addZeroToSc32,          outputColors0));
6408         // \todo[2015-12-1 antiagainst] OpQuantizeToF16
6409
6410         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
6411         {
6412                 map<string, string>                     specializations;
6413                 map<string, string>                     fragments;
6414                 SpecConstants                           specConstants;
6415                 vector<string>                          features;
6416                 PushConstants                           noPushConstants;
6417                 GraphicsResources                       noResources;
6418                 GraphicsInterfaces                      noInterfaces;
6419                 std::vector<std::string>        noExtensions;
6420
6421                 // Special SPIR-V code for SConvert-case
6422                 if (strcmp(cases[caseNdx].caseName, "sconvert") == 0)
6423                 {
6424                         features.push_back("shaderInt16");
6425                         fragments["capability"]                                 = "OpCapability Int16\n";                                       // Adds 16-bit integer capability
6426                         specializations["OPTYPE_DEFINITIONS"]   = "%i16 = OpTypeInt 16 1\n";                            // Adds 16-bit integer type
6427                         specializations["TYPE_CONVERT"]                 = "%sc_op32 = OpSConvert %i32 %sc_op\n";        // Converts 16-bit integer to 32-bit integer
6428                 }
6429
6430                 // Special SPIR-V code for FConvert-case
6431                 if (strcmp(cases[caseNdx].caseName, "fconvert") == 0)
6432                 {
6433                         features.push_back("shaderFloat64");
6434                         fragments["capability"]                                 = "OpCapability Float64\n";                                     // Adds 64-bit float capability
6435                         specializations["OPTYPE_DEFINITIONS"]   = "%f64 = OpTypeFloat 64\n";                            // Adds 64-bit float type
6436                         specializations["TYPE_CONVERT"]                 = "%sc_op32 = OpConvertFToS %i32 %sc_op\n";     // Converts 64-bit float to 32-bit integer
6437                 }
6438
6439                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
6440                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
6441                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
6442                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
6443                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
6444
6445                 fragments["decoration"]                         = tcu::StringTemplate(decorations1).specialize(specializations);
6446                 fragments["pre_main"]                           = tcu::StringTemplate(typesAndConstants1).specialize(specializations);
6447                 fragments["testfun"]                            = tcu::StringTemplate(function1).specialize(specializations);
6448
6449                 specConstants.append(cases[caseNdx].scActualValue0);
6450                 specConstants.append(cases[caseNdx].scActualValue1);
6451
6452                 createTestsForAllStages(
6453                         cases[caseNdx].caseName, inputColors, cases[caseNdx].expectedColors, fragments, specConstants,
6454                         noPushConstants, noResources, noInterfaces, noExtensions, features, VulkanFeatures(), group.get());
6455         }
6456
6457         const char      decorations2[]                  =
6458                 "OpDecorate %sc_0  SpecId 0\n"
6459                 "OpDecorate %sc_1  SpecId 1\n"
6460                 "OpDecorate %sc_2  SpecId 2\n";
6461
6462         const char      typesAndConstants2[]    =
6463                 "%vec3_0      = OpConstantComposite %v3i32 %c_i32_0 %c_i32_0 %c_i32_0\n"
6464                 "%vec3_undef  = OpUndef %v3i32\n"
6465
6466                 "%sc_0        = OpSpecConstant %i32 0\n"
6467                 "%sc_1        = OpSpecConstant %i32 0\n"
6468                 "%sc_2        = OpSpecConstant %i32 0\n"
6469                 "%sc_vec3_0   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_0        %vec3_0      0\n"                                                 // (sc_0, 0,    0)
6470                 "%sc_vec3_1   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_1        %vec3_0      1\n"                                                 // (0,    sc_1, 0)
6471                 "%sc_vec3_2   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_2        %vec3_0      2\n"                                                 // (0,    0,    sc_2)
6472                 "%sc_vec3_0_s = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0   %vec3_undef  0          0xFFFFFFFF 2\n"   // (sc_0, ???,  0)
6473                 "%sc_vec3_1_s = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_1   %vec3_undef  0xFFFFFFFF 1          0\n"   // (???,  sc_1, 0)
6474                 "%sc_vec3_2_s = OpSpecConstantOp %v3i32 VectorShuffle    %vec3_undef  %sc_vec3_2   5          0xFFFFFFFF 5\n"   // (sc_2, ???,  sc_2)
6475                 "%sc_vec3_01  = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0_s %sc_vec3_1_s 1 0 4\n"                                             // (0,    sc_0, sc_1)
6476                 "%sc_vec3_012 = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_01  %sc_vec3_2_s 5 1 2\n"                                             // (sc_2, sc_0, sc_1)
6477                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              0\n"                                                 // sc_2
6478                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              1\n"                                                 // sc_0
6479                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              2\n"                                                 // sc_1
6480                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"                                                              // (sc_2 - sc_0)
6481                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n";                                                             // (sc_2 - sc_0) * sc_1
6482
6483         const char      function2[]                             =
6484                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6485                 "%param     = OpFunctionParameter %v4f32\n"
6486                 "%label     = OpLabel\n"
6487                 "%result    = OpVariable %fp_v4f32 Function\n"
6488                 "             OpStore %result %param\n"
6489                 "%loc       = OpAccessChain %fp_f32 %result %sc_final\n"
6490                 "%val       = OpLoad %f32 %loc\n"
6491                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
6492                 "             OpStore %loc %add\n"
6493                 "%ret       = OpLoad %v4f32 %result\n"
6494                 "             OpReturnValue %ret\n"
6495                 "             OpFunctionEnd\n";
6496
6497         map<string, string>     fragments;
6498         SpecConstants           specConstants;
6499
6500         fragments["decoration"] = decorations2;
6501         fragments["pre_main"]   = typesAndConstants2;
6502         fragments["testfun"]    = function2;
6503
6504         specConstants.append<deInt32>(56789);
6505         specConstants.append<deInt32>(-2);
6506         specConstants.append<deInt32>(56788);
6507
6508         createTestsForAllStages("vector_related", inputColors, outputColors2, fragments, specConstants, group.get());
6509
6510         return group.release();
6511 }
6512
6513 tcu::TestCaseGroup* createOpPhiTests(tcu::TestContext& testCtx)
6514 {
6515         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
6516         RGBA                                                    inputColors[4];
6517         RGBA                                                    outputColors1[4];
6518         RGBA                                                    outputColors2[4];
6519         RGBA                                                    outputColors3[4];
6520         map<string, string>                             fragments1;
6521         map<string, string>                             fragments2;
6522         map<string, string>                             fragments3;
6523
6524         const char      typesAndConstants1[]    =
6525                 "%c_f32_p2  = OpConstant %f32 0.2\n"
6526                 "%c_f32_p4  = OpConstant %f32 0.4\n"
6527                 "%c_f32_p5  = OpConstant %f32 0.5\n"
6528                 "%c_f32_p8  = OpConstant %f32 0.8\n";
6529
6530         // vec4 test_code(vec4 param) {
6531         //   vec4 result = param;
6532         //   for (int i = 0; i < 4; ++i) {
6533         //     float operand;
6534         //     switch (i) {
6535         //       case 0: operand = .2; break;
6536         //       case 1: operand = .5; break;
6537         //       case 2: operand = .4; break;
6538         //       case 3: operand = .0; break;
6539         //       default: break; // unreachable
6540         //     }
6541         //     result[i] += operand;
6542         //   }
6543         //   return result;
6544         // }
6545         const char      function1[]                             =
6546                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6547                 "%param1    = OpFunctionParameter %v4f32\n"
6548                 "%lbl       = OpLabel\n"
6549                 "%iptr      = OpVariable %fp_i32 Function\n"
6550                 "%result    = OpVariable %fp_v4f32 Function\n"
6551                 "             OpStore %iptr %c_i32_0\n"
6552                 "             OpStore %result %param1\n"
6553                 "             OpBranch %loop\n"
6554
6555                 "%loop      = OpLabel\n"
6556                 "%ival      = OpLoad %i32 %iptr\n"
6557                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6558                 "             OpLoopMerge %exit %phi None\n"
6559                 "             OpBranchConditional %lt_4 %entry %exit\n"
6560
6561                 "%entry     = OpLabel\n"
6562                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
6563                 "%val       = OpLoad %f32 %loc\n"
6564                 "             OpSelectionMerge %phi None\n"
6565                 "             OpSwitch %ival %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
6566
6567                 "%case0     = OpLabel\n"
6568                 "             OpBranch %phi\n"
6569                 "%case1     = OpLabel\n"
6570                 "             OpBranch %phi\n"
6571                 "%case2     = OpLabel\n"
6572                 "             OpBranch %phi\n"
6573                 "%case3     = OpLabel\n"
6574                 "             OpBranch %phi\n"
6575
6576                 "%default   = OpLabel\n"
6577                 "             OpUnreachable\n"
6578
6579                 "%phi       = OpLabel\n"
6580                 "%operand   = OpPhi %f32 %c_f32_p4 %case2 %c_f32_p5 %case1 %c_f32_p2 %case0 %c_f32_0 %case3\n" // not in the order of blocks
6581                 "%add       = OpFAdd %f32 %val %operand\n"
6582                 "             OpStore %loc %add\n"
6583                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
6584                 "             OpStore %iptr %ival_next\n"
6585                 "             OpBranch %loop\n"
6586
6587                 "%exit      = OpLabel\n"
6588                 "%ret       = OpLoad %v4f32 %result\n"
6589                 "             OpReturnValue %ret\n"
6590
6591                 "             OpFunctionEnd\n";
6592
6593         fragments1["pre_main"]  = typesAndConstants1;
6594         fragments1["testfun"]   = function1;
6595
6596         getHalfColorsFullAlpha(inputColors);
6597
6598         outputColors1[0]                = RGBA(178, 255, 229, 255);
6599         outputColors1[1]                = RGBA(178, 127, 102, 255);
6600         outputColors1[2]                = RGBA(51,  255, 102, 255);
6601         outputColors1[3]                = RGBA(51,  127, 229, 255);
6602
6603         createTestsForAllStages("out_of_order", inputColors, outputColors1, fragments1, group.get());
6604
6605         const char      typesAndConstants2[]    =
6606                 "%c_f32_p2  = OpConstant %f32 0.2\n";
6607
6608         // Add .4 to the second element of the given parameter.
6609         const char      function2[]                             =
6610                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6611                 "%param     = OpFunctionParameter %v4f32\n"
6612                 "%entry     = OpLabel\n"
6613                 "%result    = OpVariable %fp_v4f32 Function\n"
6614                 "             OpStore %result %param\n"
6615                 "%loc       = OpAccessChain %fp_f32 %result %c_i32_1\n"
6616                 "%val       = OpLoad %f32 %loc\n"
6617                 "             OpBranch %phi\n"
6618
6619                 "%phi        = OpLabel\n"
6620                 "%step       = OpPhi %i32 %c_i32_0  %entry %step_next  %phi\n"
6621                 "%accum      = OpPhi %f32 %val      %entry %accum_next %phi\n"
6622                 "%step_next  = OpIAdd %i32 %step  %c_i32_1\n"
6623                 "%accum_next = OpFAdd %f32 %accum %c_f32_p2\n"
6624                 "%still_loop = OpSLessThan %bool %step %c_i32_2\n"
6625                 "              OpLoopMerge %exit %phi None\n"
6626                 "              OpBranchConditional %still_loop %phi %exit\n"
6627
6628                 "%exit       = OpLabel\n"
6629                 "              OpStore %loc %accum\n"
6630                 "%ret        = OpLoad %v4f32 %result\n"
6631                 "              OpReturnValue %ret\n"
6632
6633                 "              OpFunctionEnd\n";
6634
6635         fragments2["pre_main"]  = typesAndConstants2;
6636         fragments2["testfun"]   = function2;
6637
6638         outputColors2[0]                        = RGBA(127, 229, 127, 255);
6639         outputColors2[1]                        = RGBA(127, 102, 0,   255);
6640         outputColors2[2]                        = RGBA(0,   229, 0,   255);
6641         outputColors2[3]                        = RGBA(0,   102, 127, 255);
6642
6643         createTestsForAllStages("induction", inputColors, outputColors2, fragments2, group.get());
6644
6645         const char      typesAndConstants3[]    =
6646                 "%true      = OpConstantTrue %bool\n"
6647                 "%false     = OpConstantFalse %bool\n"
6648                 "%c_f32_p2  = OpConstant %f32 0.2\n";
6649
6650         // Swap the second and the third element of the given parameter.
6651         const char      function3[]                             =
6652                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6653                 "%param     = OpFunctionParameter %v4f32\n"
6654                 "%entry     = OpLabel\n"
6655                 "%result    = OpVariable %fp_v4f32 Function\n"
6656                 "             OpStore %result %param\n"
6657                 "%a_loc     = OpAccessChain %fp_f32 %result %c_i32_1\n"
6658                 "%a_init    = OpLoad %f32 %a_loc\n"
6659                 "%b_loc     = OpAccessChain %fp_f32 %result %c_i32_2\n"
6660                 "%b_init    = OpLoad %f32 %b_loc\n"
6661                 "             OpBranch %phi\n"
6662
6663                 "%phi        = OpLabel\n"
6664                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
6665                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
6666                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
6667                 "              OpLoopMerge %exit %phi None\n"
6668                 "              OpBranchConditional %still_loop %phi %exit\n"
6669
6670                 "%exit       = OpLabel\n"
6671                 "              OpStore %a_loc %a_next\n"
6672                 "              OpStore %b_loc %b_next\n"
6673                 "%ret        = OpLoad %v4f32 %result\n"
6674                 "              OpReturnValue %ret\n"
6675
6676                 "              OpFunctionEnd\n";
6677
6678         fragments3["pre_main"]  = typesAndConstants3;
6679         fragments3["testfun"]   = function3;
6680
6681         outputColors3[0]                        = RGBA(127, 127, 127, 255);
6682         outputColors3[1]                        = RGBA(127, 0,   0,   255);
6683         outputColors3[2]                        = RGBA(0,   0,   127, 255);
6684         outputColors3[3]                        = RGBA(0,   127, 0,   255);
6685
6686         createTestsForAllStages("swap", inputColors, outputColors3, fragments3, group.get());
6687
6688         return group.release();
6689 }
6690
6691 tcu::TestCaseGroup* createNoContractionTests(tcu::TestContext& testCtx)
6692 {
6693         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
6694         RGBA                                                    inputColors[4];
6695         RGBA                                                    outputColors[4];
6696
6697         // With NoContraction, (1 + 2^-23) * (1 - 2^-23) - 1 should be conducted as a multiplication and an addition separately.
6698         // For the multiplication, the result is 1 - 2^-46, which is out of the precision range for 32-bit float. (32-bit float
6699         // only have 23-bit fraction.) So it will be rounded to 1. Or 0x1.fffffc. Then the final result is 0 or -0x1p-24.
6700         // On the contrary, the result will be 2^-46, which is a normalized number perfectly representable as 32-bit float.
6701         const char                                              constantsAndTypes[]      =
6702                 "%c_vec4_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_0 %c_f32_1\n"
6703                 "%c_vec4_1       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
6704                 "%c_f32_1pl2_23  = OpConstant %f32 0x1.000002p+0\n" // 1 + 2^-23
6705                 "%c_f32_1mi2_23  = OpConstant %f32 0x1.fffffcp-1\n" // 1 - 2^-23
6706                 "%c_f32_n1pn24   = OpConstant %f32 -0x1p-24\n";
6707
6708         const char                                              function[]       =
6709                 "%test_code      = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6710                 "%param          = OpFunctionParameter %v4f32\n"
6711                 "%label          = OpLabel\n"
6712                 "%var1           = OpVariable %fp_f32 Function %c_f32_1pl2_23\n"
6713                 "%var2           = OpVariable %fp_f32 Function\n"
6714                 "%red            = OpCompositeExtract %f32 %param 0\n"
6715                 "%plus_red       = OpFAdd %f32 %c_f32_1mi2_23 %red\n"
6716                 "                  OpStore %var2 %plus_red\n"
6717                 "%val1           = OpLoad %f32 %var1\n"
6718                 "%val2           = OpLoad %f32 %var2\n"
6719                 "%mul            = OpFMul %f32 %val1 %val2\n"
6720                 "%add            = OpFAdd %f32 %mul %c_f32_n1\n"
6721                 "%is0            = OpFOrdEqual %bool %add %c_f32_0\n"
6722                 "%isn1n24         = OpFOrdEqual %bool %add %c_f32_n1pn24\n"
6723                 "%success        = OpLogicalOr %bool %is0 %isn1n24\n"
6724                 "%v4success      = OpCompositeConstruct %v4bool %success %success %success %success\n"
6725                 "%ret            = OpSelect %v4f32 %v4success %c_vec4_0 %c_vec4_1\n"
6726                 "                  OpReturnValue %ret\n"
6727                 "                  OpFunctionEnd\n";
6728
6729         struct CaseNameDecoration
6730         {
6731                 string name;
6732                 string decoration;
6733         };
6734
6735
6736         CaseNameDecoration tests[] = {
6737                 {"multiplication",      "OpDecorate %mul NoContraction"},
6738                 {"addition",            "OpDecorate %add NoContraction"},
6739                 {"both",                        "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"},
6740         };
6741
6742         getHalfColorsFullAlpha(inputColors);
6743
6744         for (deUint8 idx = 0; idx < 4; ++idx)
6745         {
6746                 inputColors[idx].setRed(0);
6747                 outputColors[idx] = RGBA(0, 0, 0, 255);
6748         }
6749
6750         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(CaseNameDecoration); ++testNdx)
6751         {
6752                 map<string, string> fragments;
6753
6754                 fragments["decoration"] = tests[testNdx].decoration;
6755                 fragments["pre_main"] = constantsAndTypes;
6756                 fragments["testfun"] = function;
6757
6758                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, group.get());
6759         }
6760
6761         return group.release();
6762 }
6763
6764 tcu::TestCaseGroup* createMemoryAccessTests(tcu::TestContext& testCtx)
6765 {
6766         de::MovePtr<tcu::TestCaseGroup> memoryAccessTests (new tcu::TestCaseGroup(testCtx, "opmemoryaccess", "Memory Semantics"));
6767         RGBA                                                    colors[4];
6768
6769         const char                                              constantsAndTypes[]      =
6770                 "%c_a2f32_1         = OpConstantComposite %a2f32 %c_f32_1 %c_f32_1\n"
6771                 "%fp_a2f32          = OpTypePointer Function %a2f32\n"
6772                 "%stype             = OpTypeStruct  %v4f32 %a2f32 %f32\n"
6773                 "%fp_stype          = OpTypePointer Function %stype\n";
6774
6775         const char                                              function[]       =
6776                 "%test_code         = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6777                 "%param1            = OpFunctionParameter %v4f32\n"
6778                 "%lbl               = OpLabel\n"
6779                 "%v1                = OpVariable %fp_v4f32 Function\n"
6780                 "%v2                = OpVariable %fp_a2f32 Function\n"
6781                 "%v3                = OpVariable %fp_f32 Function\n"
6782                 "%v                 = OpVariable %fp_stype Function\n"
6783                 "%vv                = OpVariable %fp_stype Function\n"
6784                 "%vvv               = OpVariable %fp_f32 Function\n"
6785
6786                 "                     OpStore %v1 %c_v4f32_1_1_1_1\n"
6787                 "                     OpStore %v2 %c_a2f32_1\n"
6788                 "                     OpStore %v3 %c_f32_1\n"
6789
6790                 "%p_v4f32          = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
6791                 "%p_a2f32          = OpAccessChain %fp_a2f32 %v %c_u32_1\n"
6792                 "%p_f32            = OpAccessChain %fp_f32 %v %c_u32_2\n"
6793                 "%v1_v             = OpLoad %v4f32 %v1 ${access_type}\n"
6794                 "%v2_v             = OpLoad %a2f32 %v2 ${access_type}\n"
6795                 "%v3_v             = OpLoad %f32 %v3 ${access_type}\n"
6796
6797                 "                    OpStore %p_v4f32 %v1_v ${access_type}\n"
6798                 "                    OpStore %p_a2f32 %v2_v ${access_type}\n"
6799                 "                    OpStore %p_f32 %v3_v ${access_type}\n"
6800
6801                 "                    OpCopyMemory %vv %v ${access_type}\n"
6802                 "                    OpCopyMemory %vvv %p_f32 ${access_type}\n"
6803
6804                 "%p_f32_2          = OpAccessChain %fp_f32 %vv %c_u32_2\n"
6805                 "%v_f32_2          = OpLoad %f32 %p_f32_2\n"
6806                 "%v_f32_3          = OpLoad %f32 %vvv\n"
6807
6808                 "%ret1             = OpVectorTimesScalar %v4f32 %param1 %v_f32_2\n"
6809                 "%ret2             = OpVectorTimesScalar %v4f32 %ret1 %v_f32_3\n"
6810                 "                    OpReturnValue %ret2\n"
6811                 "                    OpFunctionEnd\n";
6812
6813         struct NameMemoryAccess
6814         {
6815                 string name;
6816                 string accessType;
6817         };
6818
6819
6820         NameMemoryAccess tests[] =
6821         {
6822                 { "none", "" },
6823                 { "volatile", "Volatile" },
6824                 { "aligned",  "Aligned 1" },
6825                 { "volatile_aligned",  "Volatile|Aligned 1" },
6826                 { "nontemporal_aligned",  "Nontemporal|Aligned 1" },
6827                 { "volatile_nontemporal",  "Volatile|Nontemporal" },
6828                 { "volatile_nontermporal_aligned",  "Volatile|Nontemporal|Aligned 1" },
6829         };
6830
6831         getHalfColorsFullAlpha(colors);
6832
6833         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameMemoryAccess); ++testNdx)
6834         {
6835                 map<string, string> fragments;
6836                 map<string, string> memoryAccess;
6837                 memoryAccess["access_type"] = tests[testNdx].accessType;
6838
6839                 fragments["pre_main"] = constantsAndTypes;
6840                 fragments["testfun"] = tcu::StringTemplate(function).specialize(memoryAccess);
6841                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, memoryAccessTests.get());
6842         }
6843         return memoryAccessTests.release();
6844 }
6845 tcu::TestCaseGroup* createOpUndefTests(tcu::TestContext& testCtx)
6846 {
6847         de::MovePtr<tcu::TestCaseGroup>         opUndefTests             (new tcu::TestCaseGroup(testCtx, "opundef", "Test OpUndef"));
6848         RGBA                                                            defaultColors[4];
6849         map<string, string>                                     fragments;
6850         getDefaultColors(defaultColors);
6851
6852         // First, simple cases that don't do anything with the OpUndef result.
6853         struct NameCodePair { string name, decl, type; };
6854         const NameCodePair tests[] =
6855         {
6856                 {"bool", "", "%bool"},
6857                 {"vec2uint32", "", "%v2u32"},
6858                 {"image", "%type = OpTypeImage %f32 2D 0 0 0 1 Unknown", "%type"},
6859                 {"sampler", "%type = OpTypeSampler", "%type"},
6860                 {"sampledimage", "%img = OpTypeImage %f32 2D 0 0 0 1 Unknown\n" "%type = OpTypeSampledImage %img", "%type"},
6861                 {"pointer", "", "%fp_i32"},
6862                 {"runtimearray", "%type = OpTypeRuntimeArray %f32", "%type"},
6863                 {"array", "%c_u32_100 = OpConstant %u32 100\n" "%type = OpTypeArray %i32 %c_u32_100", "%type"},
6864                 {"struct", "%type = OpTypeStruct %f32 %i32 %u32", "%type"}};
6865         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
6866         {
6867                 fragments["undef_type"] = tests[testNdx].type;
6868                 fragments["testfun"] = StringTemplate(
6869                         "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6870                         "%param1 = OpFunctionParameter %v4f32\n"
6871                         "%label_testfun = OpLabel\n"
6872                         "%undef = OpUndef ${undef_type}\n"
6873                         "OpReturnValue %param1\n"
6874                         "OpFunctionEnd\n").specialize(fragments);
6875                 fragments["pre_main"] = tests[testNdx].decl;
6876                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opUndefTests.get());
6877         }
6878         fragments.clear();
6879
6880         fragments["testfun"] =
6881                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6882                 "%param1 = OpFunctionParameter %v4f32\n"
6883                 "%label_testfun = OpLabel\n"
6884                 "%undef = OpUndef %f32\n"
6885                 "%zero = OpFMul %f32 %undef %c_f32_0\n"
6886                 "%is_nan = OpIsNan %bool %zero\n" //OpUndef may result in NaN which may turn %zero into Nan.
6887                 "%actually_zero = OpSelect %f32 %is_nan %c_f32_0 %zero\n"
6888                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6889                 "%b = OpFAdd %f32 %a %actually_zero\n"
6890                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %b %c_i32_0\n"
6891                 "OpReturnValue %ret\n"
6892                 "OpFunctionEnd\n";
6893
6894         createTestsForAllStages("float32", defaultColors, defaultColors, fragments, opUndefTests.get());
6895
6896         fragments["testfun"] =
6897                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6898                 "%param1 = OpFunctionParameter %v4f32\n"
6899                 "%label_testfun = OpLabel\n"
6900                 "%undef = OpUndef %i32\n"
6901                 "%zero = OpIMul %i32 %undef %c_i32_0\n"
6902                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
6903                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
6904                 "OpReturnValue %ret\n"
6905                 "OpFunctionEnd\n";
6906
6907         createTestsForAllStages("sint32", defaultColors, defaultColors, fragments, opUndefTests.get());
6908
6909         fragments["testfun"] =
6910                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6911                 "%param1 = OpFunctionParameter %v4f32\n"
6912                 "%label_testfun = OpLabel\n"
6913                 "%undef = OpUndef %u32\n"
6914                 "%zero = OpIMul %u32 %undef %c_i32_0\n"
6915                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
6916                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
6917                 "OpReturnValue %ret\n"
6918                 "OpFunctionEnd\n";
6919
6920         createTestsForAllStages("uint32", defaultColors, defaultColors, fragments, opUndefTests.get());
6921
6922         fragments["testfun"] =
6923                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6924                 "%param1 = OpFunctionParameter %v4f32\n"
6925                 "%label_testfun = OpLabel\n"
6926                 "%undef = OpUndef %v4f32\n"
6927                 "%vzero = OpVectorTimesScalar %v4f32 %undef %c_f32_0\n"
6928                 "%zero_0 = OpVectorExtractDynamic %f32 %vzero %c_i32_0\n"
6929                 "%zero_1 = OpVectorExtractDynamic %f32 %vzero %c_i32_1\n"
6930                 "%zero_2 = OpVectorExtractDynamic %f32 %vzero %c_i32_2\n"
6931                 "%zero_3 = OpVectorExtractDynamic %f32 %vzero %c_i32_3\n"
6932                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
6933                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
6934                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
6935                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
6936                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
6937                 "%actually_zero_1 = OpSelect %f32 %is_nan_1 %c_f32_0 %zero_1\n"
6938                 "%actually_zero_2 = OpSelect %f32 %is_nan_2 %c_f32_0 %zero_2\n"
6939                 "%actually_zero_3 = OpSelect %f32 %is_nan_3 %c_f32_0 %zero_3\n"
6940                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6941                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
6942                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
6943                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
6944                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
6945                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
6946                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
6947                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
6948                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
6949                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
6950                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
6951                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
6952                 "OpReturnValue %ret\n"
6953                 "OpFunctionEnd\n";
6954
6955         createTestsForAllStages("vec4float32", defaultColors, defaultColors, fragments, opUndefTests.get());
6956
6957         fragments["pre_main"] =
6958                 "%m2x2f32 = OpTypeMatrix %v2f32 2\n";
6959         fragments["testfun"] =
6960                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
6961                 "%param1 = OpFunctionParameter %v4f32\n"
6962                 "%label_testfun = OpLabel\n"
6963                 "%undef = OpUndef %m2x2f32\n"
6964                 "%mzero = OpMatrixTimesScalar %m2x2f32 %undef %c_f32_0\n"
6965                 "%zero_0 = OpCompositeExtract %f32 %mzero 0 0\n"
6966                 "%zero_1 = OpCompositeExtract %f32 %mzero 0 1\n"
6967                 "%zero_2 = OpCompositeExtract %f32 %mzero 1 0\n"
6968                 "%zero_3 = OpCompositeExtract %f32 %mzero 1 1\n"
6969                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
6970                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
6971                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
6972                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
6973                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
6974                 "%actually_zero_1 = OpSelect %f32 %is_nan_1 %c_f32_0 %zero_1\n"
6975                 "%actually_zero_2 = OpSelect %f32 %is_nan_2 %c_f32_0 %zero_2\n"
6976                 "%actually_zero_3 = OpSelect %f32 %is_nan_3 %c_f32_0 %zero_3\n"
6977                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6978                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
6979                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
6980                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
6981                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
6982                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
6983                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
6984                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
6985                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
6986                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
6987                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
6988                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
6989                 "OpReturnValue %ret\n"
6990                 "OpFunctionEnd\n";
6991
6992         createTestsForAllStages("matrix", defaultColors, defaultColors, fragments, opUndefTests.get());
6993
6994         return opUndefTests.release();
6995 }
6996
6997 void createOpQuantizeSingleOptionTests(tcu::TestCaseGroup* testCtx)
6998 {
6999         const RGBA              inputColors[4]          =
7000         {
7001                 RGBA(0,         0,              0,              255),
7002                 RGBA(0,         0,              255,    255),
7003                 RGBA(0,         255,    0,              255),
7004                 RGBA(0,         255,    255,    255)
7005         };
7006
7007         const RGBA              expectedColors[4]       =
7008         {
7009                 RGBA(255,        0,              0,              255),
7010                 RGBA(255,        0,              0,              255),
7011                 RGBA(255,        0,              0,              255),
7012                 RGBA(255,        0,              0,              255)
7013         };
7014
7015         const struct SingleFP16Possibility
7016         {
7017                 const char* name;
7018                 const char* constant;  // Value to assign to %test_constant.
7019                 float           valueAsFloat;
7020                 const char* condition; // Must assign to %cond an expression that evaluates to true after %c = OpQuantizeToF16(%test_constant + 0).
7021         }                               tests[]                         =
7022         {
7023                 {
7024                         "negative",
7025                         "-0x1.3p1\n",
7026                         -constructNormalizedFloat(1, 0x300000),
7027                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
7028                 }, // -19
7029                 {
7030                         "positive",
7031                         "0x1.0p7\n",
7032                         constructNormalizedFloat(7, 0x000000),
7033                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
7034                 },  // +128
7035                 // SPIR-V requires that OpQuantizeToF16 flushes
7036                 // any numbers that would end up denormalized in F16 to zero.
7037                 {
7038                         "denorm",
7039                         "0x0.0006p-126\n",
7040                         std::ldexp(1.5f, -140),
7041                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7042                 },  // denorm
7043                 {
7044                         "negative_denorm",
7045                         "-0x0.0006p-126\n",
7046                         -std::ldexp(1.5f, -140),
7047                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7048                 }, // -denorm
7049                 {
7050                         "too_small",
7051                         "0x1.0p-16\n",
7052                         std::ldexp(1.0f, -16),
7053                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7054                 },     // too small positive
7055                 {
7056                         "negative_too_small",
7057                         "-0x1.0p-32\n",
7058                         -std::ldexp(1.0f, -32),
7059                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7060                 },      // too small negative
7061                 {
7062                         "negative_inf",
7063                         "-0x1.0p128\n",
7064                         -std::ldexp(1.0f, 128),
7065
7066                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
7067                         "%inf = OpIsInf %bool %c\n"
7068                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7069                 },     // -inf to -inf
7070                 {
7071                         "inf",
7072                         "0x1.0p128\n",
7073                         std::ldexp(1.0f, 128),
7074
7075                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
7076                         "%inf = OpIsInf %bool %c\n"
7077                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7078                 },     // +inf to +inf
7079                 {
7080                         "round_to_negative_inf",
7081                         "-0x1.0p32\n",
7082                         -std::ldexp(1.0f, 32),
7083
7084                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
7085                         "%inf = OpIsInf %bool %c\n"
7086                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7087                 },     // round to -inf
7088                 {
7089                         "round_to_inf",
7090                         "0x1.0p16\n",
7091                         std::ldexp(1.0f, 16),
7092
7093                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
7094                         "%inf = OpIsInf %bool %c\n"
7095                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7096                 },     // round to +inf
7097                 {
7098                         "nan",
7099                         "0x1.1p128\n",
7100                         std::numeric_limits<float>::quiet_NaN(),
7101
7102                         // Test for any NaN value, as NaNs are not preserved
7103                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
7104                         "%cond = OpIsNan %bool %direct_quant\n"
7105                 }, // nan
7106                 {
7107                         "negative_nan",
7108                         "-0x1.0001p128\n",
7109                         std::numeric_limits<float>::quiet_NaN(),
7110
7111                         // Test for any NaN value, as NaNs are not preserved
7112                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
7113                         "%cond = OpIsNan %bool %direct_quant\n"
7114                 } // -nan
7115         };
7116         const char*             constants                       =
7117                 "%test_constant = OpConstant %f32 ";  // The value will be test.constant.
7118
7119         StringTemplate  function                        (
7120                 "%test_code     = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7121                 "%param1        = OpFunctionParameter %v4f32\n"
7122                 "%label_testfun = OpLabel\n"
7123                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7124                 "%b             = OpFAdd %f32 %test_constant %a\n"
7125                 "%c             = OpQuantizeToF16 %f32 %b\n"
7126                 "${condition}\n"
7127                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7128                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
7129                 "                 OpReturnValue %retval\n"
7130                 "OpFunctionEnd\n"
7131         );
7132
7133         const char*             specDecorations         = "OpDecorate %test_constant SpecId 0\n";
7134         const char*             specConstants           =
7135                         "%test_constant = OpSpecConstant %f32 0.\n"
7136                         "%c             = OpSpecConstantOp %f32 QuantizeToF16 %test_constant\n";
7137
7138         StringTemplate  specConstantFunction(
7139                 "%test_code     = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7140                 "%param1        = OpFunctionParameter %v4f32\n"
7141                 "%label_testfun = OpLabel\n"
7142                 "${condition}\n"
7143                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7144                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
7145                 "                 OpReturnValue %retval\n"
7146                 "OpFunctionEnd\n"
7147         );
7148
7149         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
7150         {
7151                 map<string, string>                                                             codeSpecialization;
7152                 map<string, string>                                                             fragments;
7153                 codeSpecialization["condition"]                                 = tests[idx].condition;
7154                 fragments["testfun"]                                                    = function.specialize(codeSpecialization);
7155                 fragments["pre_main"]                                                   = string(constants) + tests[idx].constant + "\n";
7156                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
7157         }
7158
7159         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
7160         {
7161                 map<string, string>                                                             codeSpecialization;
7162                 map<string, string>                                                             fragments;
7163                 SpecConstants                                                                   passConstants;
7164                 deInt32                                                                                 specConstant;
7165
7166                 codeSpecialization["condition"]                                 = tests[idx].condition;
7167                 fragments["testfun"]                                                    = specConstantFunction.specialize(codeSpecialization);
7168                 fragments["decoration"]                                                 = specDecorations;
7169                 fragments["pre_main"]                                                   = specConstants;
7170
7171                 memcpy(&specConstant, &tests[idx].valueAsFloat, sizeof(float));
7172                 passConstants.append(specConstant);
7173
7174                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
7175         }
7176 }
7177
7178 void createOpQuantizeTwoPossibilityTests(tcu::TestCaseGroup* testCtx)
7179 {
7180         RGBA inputColors[4] =  {
7181                 RGBA(0,         0,              0,              255),
7182                 RGBA(0,         0,              255,    255),
7183                 RGBA(0,         255,    0,              255),
7184                 RGBA(0,         255,    255,    255)
7185         };
7186
7187         RGBA expectedColors[4] =
7188         {
7189                 RGBA(255,        0,              0,              255),
7190                 RGBA(255,        0,              0,              255),
7191                 RGBA(255,        0,              0,              255),
7192                 RGBA(255,        0,              0,              255)
7193         };
7194
7195         struct DualFP16Possibility
7196         {
7197                 const char* name;
7198                 const char* input;
7199                 float           inputAsFloat;
7200                 const char* possibleOutput1;
7201                 const char* possibleOutput2;
7202         } tests[] = {
7203                 {
7204                         "positive_round_up_or_round_down",
7205                         "0x1.3003p8",
7206                         constructNormalizedFloat(8, 0x300300),
7207                         "0x1.304p8",
7208                         "0x1.3p8"
7209                 },
7210                 {
7211                         "negative_round_up_or_round_down",
7212                         "-0x1.6008p-7",
7213                         -constructNormalizedFloat(-7, 0x600800),
7214                         "-0x1.6p-7",
7215                         "-0x1.604p-7"
7216                 },
7217                 {
7218                         "carry_bit",
7219                         "0x1.01ep2",
7220                         constructNormalizedFloat(2, 0x01e000),
7221                         "0x1.01cp2",
7222                         "0x1.02p2"
7223                 },
7224                 {
7225                         "carry_to_exponent",
7226                         "0x1.ffep1",
7227                         constructNormalizedFloat(1, 0xffe000),
7228                         "0x1.ffcp1",
7229                         "0x1.0p2"
7230                 },
7231         };
7232         StringTemplate constants (
7233                 "%input_const = OpConstant %f32 ${input}\n"
7234                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
7235                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
7236                 );
7237
7238         StringTemplate specConstants (
7239                 "%input_const = OpSpecConstant %f32 0.\n"
7240                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
7241                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
7242         );
7243
7244         const char* specDecorations = "OpDecorate %input_const  SpecId 0\n";
7245
7246         const char* function  =
7247                 "%test_code     = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7248                 "%param1        = OpFunctionParameter %v4f32\n"
7249                 "%label_testfun = OpLabel\n"
7250                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7251                 // For the purposes of this test we assume that 0.f will always get
7252                 // faithfully passed through the pipeline stages.
7253                 "%b             = OpFAdd %f32 %input_const %a\n"
7254                 "%c             = OpQuantizeToF16 %f32 %b\n"
7255                 "%eq_1          = OpFOrdEqual %bool %c %possible_solution1\n"
7256                 "%eq_2          = OpFOrdEqual %bool %c %possible_solution2\n"
7257                 "%cond          = OpLogicalOr %bool %eq_1 %eq_2\n"
7258                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7259                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1"
7260                 "                 OpReturnValue %retval\n"
7261                 "OpFunctionEnd\n";
7262
7263         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
7264                 map<string, string>                                                                     fragments;
7265                 map<string, string>                                                                     constantSpecialization;
7266
7267                 constantSpecialization["input"]                                         = tests[idx].input;
7268                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
7269                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
7270                 fragments["testfun"]                                                            = function;
7271                 fragments["pre_main"]                                                           = constants.specialize(constantSpecialization);
7272                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
7273         }
7274
7275         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
7276                 map<string, string>                                                                     fragments;
7277                 map<string, string>                                                                     constantSpecialization;
7278                 SpecConstants                                                                           passConstants;
7279                 deInt32                                                                                         specConstant;
7280
7281                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
7282                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
7283                 fragments["testfun"]                                                            = function;
7284                 fragments["decoration"]                                                         = specDecorations;
7285                 fragments["pre_main"]                                                           = specConstants.specialize(constantSpecialization);
7286
7287                 memcpy(&specConstant, &tests[idx].inputAsFloat, sizeof(float));
7288                 passConstants.append(specConstant);
7289
7290                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
7291         }
7292 }
7293
7294 tcu::TestCaseGroup* createOpQuantizeTests(tcu::TestContext& testCtx)
7295 {
7296         de::MovePtr<tcu::TestCaseGroup> opQuantizeTests (new tcu::TestCaseGroup(testCtx, "opquantize", "Test OpQuantizeToF16"));
7297         createOpQuantizeSingleOptionTests(opQuantizeTests.get());
7298         createOpQuantizeTwoPossibilityTests(opQuantizeTests.get());
7299         return opQuantizeTests.release();
7300 }
7301
7302 struct ShaderPermutation
7303 {
7304         deUint8 vertexPermutation;
7305         deUint8 geometryPermutation;
7306         deUint8 tesscPermutation;
7307         deUint8 tessePermutation;
7308         deUint8 fragmentPermutation;
7309 };
7310
7311 ShaderPermutation getShaderPermutation(deUint8 inputValue)
7312 {
7313         ShaderPermutation       permutation =
7314         {
7315                 static_cast<deUint8>(inputValue & 0x10? 1u: 0u),
7316                 static_cast<deUint8>(inputValue & 0x08? 1u: 0u),
7317                 static_cast<deUint8>(inputValue & 0x04? 1u: 0u),
7318                 static_cast<deUint8>(inputValue & 0x02? 1u: 0u),
7319                 static_cast<deUint8>(inputValue & 0x01? 1u: 0u)
7320         };
7321         return permutation;
7322 }
7323
7324 tcu::TestCaseGroup* createModuleTests(tcu::TestContext& testCtx)
7325 {
7326         RGBA                                                            defaultColors[4];
7327         RGBA                                                            invertedColors[4];
7328         de::MovePtr<tcu::TestCaseGroup>         moduleTests                     (new tcu::TestCaseGroup(testCtx, "module", "Multiple entry points into shaders"));
7329
7330         const ShaderElement                                     combinedPipeline[]      =
7331         {
7332                 ShaderElement("module", "main", VK_SHADER_STAGE_VERTEX_BIT),
7333                 ShaderElement("module", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
7334                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
7335                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
7336                 ShaderElement("module", "main", VK_SHADER_STAGE_FRAGMENT_BIT)
7337         };
7338
7339         getDefaultColors(defaultColors);
7340         getInvertedDefaultColors(invertedColors);
7341         addFunctionCaseWithPrograms<InstanceContext>(
7342                         moduleTests.get(), "same_module", "", createCombinedModule, runAndVerifyDefaultPipeline,
7343                         createInstanceContext(combinedPipeline, map<string, string>()));
7344
7345         const char* numbers[] =
7346         {
7347                 "1", "2"
7348         };
7349
7350         for (deInt8 idx = 0; idx < 32; ++idx)
7351         {
7352                 ShaderPermutation                       permutation             = getShaderPermutation(idx);
7353                 string                                          name                    = string("vert") + numbers[permutation.vertexPermutation] + "_geom" + numbers[permutation.geometryPermutation] + "_tessc" + numbers[permutation.tesscPermutation] + "_tesse" + numbers[permutation.tessePermutation] + "_frag" + numbers[permutation.fragmentPermutation];
7354                 const ShaderElement                     pipeline[]              =
7355                 {
7356                         ShaderElement("vert",   string("vert") +        numbers[permutation.vertexPermutation],         VK_SHADER_STAGE_VERTEX_BIT),
7357                         ShaderElement("geom",   string("geom") +        numbers[permutation.geometryPermutation],       VK_SHADER_STAGE_GEOMETRY_BIT),
7358                         ShaderElement("tessc",  string("tessc") +       numbers[permutation.tesscPermutation],          VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
7359                         ShaderElement("tesse",  string("tesse") +       numbers[permutation.tessePermutation],          VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
7360                         ShaderElement("frag",   string("frag") +        numbers[permutation.fragmentPermutation],       VK_SHADER_STAGE_FRAGMENT_BIT)
7361                 };
7362
7363                 // If there are an even number of swaps, then it should be no-op.
7364                 // If there are an odd number, the color should be flipped.
7365                 if ((permutation.vertexPermutation + permutation.geometryPermutation + permutation.tesscPermutation + permutation.tessePermutation + permutation.fragmentPermutation) % 2 == 0)
7366                 {
7367                         addFunctionCaseWithPrograms<InstanceContext>(
7368                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
7369                                         createInstanceContext(pipeline, defaultColors, defaultColors, map<string, string>()));
7370                 }
7371                 else
7372                 {
7373                         addFunctionCaseWithPrograms<InstanceContext>(
7374                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
7375                                         createInstanceContext(pipeline, defaultColors, invertedColors, map<string, string>()));
7376                 }
7377         }
7378         return moduleTests.release();
7379 }
7380
7381 tcu::TestCaseGroup* createLoopTests(tcu::TestContext& testCtx)
7382 {
7383         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "loop", "Looping control flow"));
7384         RGBA defaultColors[4];
7385         getDefaultColors(defaultColors);
7386         map<string, string> fragments;
7387         fragments["pre_main"] =
7388                 "%c_f32_5 = OpConstant %f32 5.\n";
7389
7390         // A loop with a single block. The Continue Target is the loop block
7391         // itself. In SPIR-V terms, the "loop construct" contains no blocks at all
7392         // -- the "continue construct" forms the entire loop.
7393         fragments["testfun"] =
7394                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7395                 "%param1 = OpFunctionParameter %v4f32\n"
7396
7397                 "%entry = OpLabel\n"
7398                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7399                 "OpBranch %loop\n"
7400
7401                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
7402                 "%loop = OpLabel\n"
7403                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
7404                 "%delta = OpPhi %f32 %c_f32_1 %entry %minus_delta %loop\n"
7405                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
7406                 "%val = OpFAdd %f32 %val1 %delta\n"
7407                 "%minus_delta = OpFSub %f32 %c_f32_0 %delta\n"
7408                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7409                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7410                 "OpLoopMerge %exit %loop None\n"
7411                 "OpBranchConditional %again %loop %exit\n"
7412
7413                 "%exit = OpLabel\n"
7414                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
7415                 "OpReturnValue %result\n"
7416
7417                 "OpFunctionEnd\n";
7418
7419         createTestsForAllStages("single_block", defaultColors, defaultColors, fragments, testGroup.get());
7420
7421         // Body comprised of multiple basic blocks.
7422         const StringTemplate multiBlock(
7423                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7424                 "%param1 = OpFunctionParameter %v4f32\n"
7425
7426                 "%entry = OpLabel\n"
7427                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7428                 "OpBranch %loop\n"
7429
7430                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
7431                 "%loop = OpLabel\n"
7432                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %gather\n"
7433                 "%delta = OpPhi %f32 %c_f32_1 %entry %delta_next %gather\n"
7434                 "%val1 = OpPhi %f32 %val0 %entry %val %gather\n"
7435                 // There are several possibilities for the Continue Target below.  Each
7436                 // will be specialized into a separate test case.
7437                 "OpLoopMerge %exit ${continue_target} None\n"
7438                 "OpBranch %if\n"
7439
7440                 "%if = OpLabel\n"
7441                 ";delta_next = (delta > 0) ? -1 : 1;\n"
7442                 "%gt0 = OpFOrdGreaterThan %bool %delta %c_f32_0\n"
7443                 "OpSelectionMerge %gather DontFlatten\n"
7444                 "OpBranchConditional %gt0 %even %odd ;tells us if %count is even or odd\n"
7445
7446                 "%odd = OpLabel\n"
7447                 "OpBranch %gather\n"
7448
7449                 "%even = OpLabel\n"
7450                 "OpBranch %gather\n"
7451
7452                 "%gather = OpLabel\n"
7453                 "%delta_next = OpPhi %f32 %c_f32_n1 %even %c_f32_1 %odd\n"
7454                 "%val = OpFAdd %f32 %val1 %delta\n"
7455                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7456                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7457                 "OpBranchConditional %again %loop %exit\n"
7458
7459                 "%exit = OpLabel\n"
7460                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
7461                 "OpReturnValue %result\n"
7462
7463                 "OpFunctionEnd\n");
7464
7465         map<string, string> continue_target;
7466
7467         // The Continue Target is the loop block itself.
7468         continue_target["continue_target"] = "%loop";
7469         fragments["testfun"] = multiBlock.specialize(continue_target);
7470         createTestsForAllStages("multi_block_continue_construct", defaultColors, defaultColors, fragments, testGroup.get());
7471
7472         // The Continue Target is at the end of the loop.
7473         continue_target["continue_target"] = "%gather";
7474         fragments["testfun"] = multiBlock.specialize(continue_target);
7475         createTestsForAllStages("multi_block_loop_construct", defaultColors, defaultColors, fragments, testGroup.get());
7476
7477         // A loop with continue statement.
7478         fragments["testfun"] =
7479                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7480                 "%param1 = OpFunctionParameter %v4f32\n"
7481
7482                 "%entry = OpLabel\n"
7483                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7484                 "OpBranch %loop\n"
7485
7486                 ";adds 4, 3, and 1 to %val0 (skips 2)\n"
7487                 "%loop = OpLabel\n"
7488                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7489                 "%val1 = OpPhi %f32 %val0 %entry %val %continue\n"
7490                 "OpLoopMerge %exit %continue None\n"
7491                 "OpBranch %if\n"
7492
7493                 "%if = OpLabel\n"
7494                 ";skip if %count==2\n"
7495                 "%eq2 = OpIEqual %bool %count %c_i32_2\n"
7496                 "OpSelectionMerge %continue DontFlatten\n"
7497                 "OpBranchConditional %eq2 %continue %body\n"
7498
7499                 "%body = OpLabel\n"
7500                 "%fcount = OpConvertSToF %f32 %count\n"
7501                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7502                 "OpBranch %continue\n"
7503
7504                 "%continue = OpLabel\n"
7505                 "%val = OpPhi %f32 %val2 %body %val1 %if\n"
7506                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7507                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7508                 "OpBranchConditional %again %loop %exit\n"
7509
7510                 "%exit = OpLabel\n"
7511                 "%same = OpFSub %f32 %val %c_f32_8\n"
7512                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7513                 "OpReturnValue %result\n"
7514                 "OpFunctionEnd\n";
7515         createTestsForAllStages("continue", defaultColors, defaultColors, fragments, testGroup.get());
7516
7517         // A loop with break.
7518         fragments["testfun"] =
7519                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7520                 "%param1 = OpFunctionParameter %v4f32\n"
7521
7522                 "%entry = OpLabel\n"
7523                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7524                 "%dot = OpDot %f32 %param1 %param1\n"
7525                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7526                 "%zero = OpConvertFToU %u32 %div\n"
7527                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
7528                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7529                 "OpBranch %loop\n"
7530
7531                 ";adds 4 and 3 to %val0 (exits early)\n"
7532                 "%loop = OpLabel\n"
7533                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7534                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
7535                 "OpLoopMerge %exit %continue None\n"
7536                 "OpBranch %if\n"
7537
7538                 "%if = OpLabel\n"
7539                 ";end loop if %count==%two\n"
7540                 "%above2 = OpSGreaterThan %bool %count %two\n"
7541                 "OpSelectionMerge %continue DontFlatten\n"
7542                 "OpBranchConditional %above2 %body %exit\n"
7543
7544                 "%body = OpLabel\n"
7545                 "%fcount = OpConvertSToF %f32 %count\n"
7546                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7547                 "OpBranch %continue\n"
7548
7549                 "%continue = OpLabel\n"
7550                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7551                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7552                 "OpBranchConditional %again %loop %exit\n"
7553
7554                 "%exit = OpLabel\n"
7555                 "%val_post = OpPhi %f32 %val2 %continue %val1 %if\n"
7556                 "%same = OpFSub %f32 %val_post %c_f32_7\n"
7557                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7558                 "OpReturnValue %result\n"
7559                 "OpFunctionEnd\n";
7560         createTestsForAllStages("break", defaultColors, defaultColors, fragments, testGroup.get());
7561
7562         // A loop with return.
7563         fragments["testfun"] =
7564                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7565                 "%param1 = OpFunctionParameter %v4f32\n"
7566
7567                 "%entry = OpLabel\n"
7568                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7569                 "%dot = OpDot %f32 %param1 %param1\n"
7570                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7571                 "%zero = OpConvertFToU %u32 %div\n"
7572                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
7573                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7574                 "OpBranch %loop\n"
7575
7576                 ";returns early without modifying %param1\n"
7577                 "%loop = OpLabel\n"
7578                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7579                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
7580                 "OpLoopMerge %exit %continue None\n"
7581                 "OpBranch %if\n"
7582
7583                 "%if = OpLabel\n"
7584                 ";return if %count==%two\n"
7585                 "%above2 = OpSGreaterThan %bool %count %two\n"
7586                 "OpSelectionMerge %continue DontFlatten\n"
7587                 "OpBranchConditional %above2 %body %early_exit\n"
7588
7589                 "%early_exit = OpLabel\n"
7590                 "OpReturnValue %param1\n"
7591
7592                 "%body = OpLabel\n"
7593                 "%fcount = OpConvertSToF %f32 %count\n"
7594                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7595                 "OpBranch %continue\n"
7596
7597                 "%continue = OpLabel\n"
7598                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7599                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7600                 "OpBranchConditional %again %loop %exit\n"
7601
7602                 "%exit = OpLabel\n"
7603                 ";should never get here, so return an incorrect result\n"
7604                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val2 %c_i32_0\n"
7605                 "OpReturnValue %result\n"
7606                 "OpFunctionEnd\n";
7607         createTestsForAllStages("return", defaultColors, defaultColors, fragments, testGroup.get());
7608
7609         // Continue inside a switch block to break to enclosing loop's merge block.
7610         // Matches roughly the following GLSL code:
7611         // for (; keep_going; keep_going = false)
7612         // {
7613         //     switch (int(param1.x))
7614         //     {
7615         //         case 0: continue;
7616         //         case 1: continue;
7617         //         default: continue;
7618         //     }
7619         //     dead code: modify return value to invalid result.
7620         // }
7621         fragments["pre_main"] =
7622                 "%fp_bool = OpTypePointer Function %bool\n"
7623                 "%true = OpConstantTrue %bool\n"
7624                 "%false = OpConstantFalse %bool\n";
7625
7626         fragments["testfun"] =
7627                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7628                 "%param1 = OpFunctionParameter %v4f32\n"
7629
7630                 "%entry = OpLabel\n"
7631                 "%keep_going = OpVariable %fp_bool Function\n"
7632                 "%val_ptr = OpVariable %fp_f32 Function\n"
7633                 "%param1_x = OpCompositeExtract %f32 %param1 0\n"
7634                 "OpStore %keep_going %true\n"
7635                 "OpBranch %forloop_begin\n"
7636
7637                 "%forloop_begin = OpLabel\n"
7638                 "OpLoopMerge %forloop_merge %forloop_continue None\n"
7639                 "OpBranch %forloop\n"
7640
7641                 "%forloop = OpLabel\n"
7642                 "%for_condition = OpLoad %bool %keep_going\n"
7643                 "OpBranchConditional %for_condition %forloop_body %forloop_merge\n"
7644
7645                 "%forloop_body = OpLabel\n"
7646                 "OpStore %val_ptr %param1_x\n"
7647                 "%param1_x_int = OpConvertFToS %i32 %param1_x\n"
7648
7649                 "OpSelectionMerge %switch_merge None\n"
7650                 "OpSwitch %param1_x_int %default 0 %case_0 1 %case_1\n"
7651                 "%case_0 = OpLabel\n"
7652                 "OpBranch %forloop_continue\n"
7653                 "%case_1 = OpLabel\n"
7654                 "OpBranch %forloop_continue\n"
7655                 "%default = OpLabel\n"
7656                 "OpBranch %forloop_continue\n"
7657                 "%switch_merge = OpLabel\n"
7658                 ";should never get here, so change the return value to invalid result\n"
7659                 "OpStore %val_ptr %c_f32_1\n"
7660                 "OpBranch %forloop_continue\n"
7661
7662                 "%forloop_continue = OpLabel\n"
7663                 "OpStore %keep_going %false\n"
7664                 "OpBranch %forloop_begin\n"
7665                 "%forloop_merge = OpLabel\n"
7666
7667                 "%val = OpLoad %f32 %val_ptr\n"
7668                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
7669                 "OpReturnValue %result\n"
7670                 "OpFunctionEnd\n";
7671         createTestsForAllStages("switch_continue", defaultColors, defaultColors, fragments, testGroup.get());
7672
7673         return testGroup.release();
7674 }
7675
7676 // A collection of tests putting OpControlBarrier in places GLSL forbids but SPIR-V allows.
7677 tcu::TestCaseGroup* createBarrierTests(tcu::TestContext& testCtx)
7678 {
7679         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "barrier", "OpControlBarrier"));
7680         map<string, string> fragments;
7681
7682         // A barrier inside a function body.
7683         fragments["pre_main"] =
7684                 "%Workgroup = OpConstant %i32 2\n"
7685                 "%WorkgroupAcquireRelease = OpConstant %i32 0x108\n";
7686         fragments["testfun"] =
7687                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7688                 "%param1 = OpFunctionParameter %v4f32\n"
7689                 "%label_testfun = OpLabel\n"
7690                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7691                 "OpReturnValue %param1\n"
7692                 "OpFunctionEnd\n";
7693         addTessCtrlTest(testGroup.get(), "in_function", fragments);
7694
7695         // Common setup code for the following tests.
7696         fragments["pre_main"] =
7697                 "%Workgroup = OpConstant %i32 2\n"
7698                 "%WorkgroupAcquireRelease = OpConstant %i32 0x108\n"
7699                 "%c_f32_5 = OpConstant %f32 5.\n";
7700         const string setupPercentZero =  // Begins %test_code function with code that sets %zero to 0u but cannot be optimized away.
7701                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7702                 "%param1 = OpFunctionParameter %v4f32\n"
7703                 "%entry = OpLabel\n"
7704                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7705                 "%dot = OpDot %f32 %param1 %param1\n"
7706                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7707                 "%zero = OpConvertFToU %u32 %div\n";
7708
7709         // Barriers inside OpSwitch branches.
7710         fragments["testfun"] =
7711                 setupPercentZero +
7712                 "OpSelectionMerge %switch_exit None\n"
7713                 "OpSwitch %zero %switch_default 0 %case0 1 %case1 ;should always go to %case0\n"
7714
7715                 "%case1 = OpLabel\n"
7716                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7717                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7718                 "%wrong_branch_alert1 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7719                 "OpBranch %switch_exit\n"
7720
7721                 "%switch_default = OpLabel\n"
7722                 "%wrong_branch_alert2 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7723                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7724                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7725                 "OpBranch %switch_exit\n"
7726
7727                 "%case0 = OpLabel\n"
7728                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7729                 "OpBranch %switch_exit\n"
7730
7731                 "%switch_exit = OpLabel\n"
7732                 "%ret = OpPhi %v4f32 %param1 %case0 %wrong_branch_alert1 %case1 %wrong_branch_alert2 %switch_default\n"
7733                 "OpReturnValue %ret\n"
7734                 "OpFunctionEnd\n";
7735         addTessCtrlTest(testGroup.get(), "in_switch", fragments);
7736
7737         // Barriers inside if-then-else.
7738         fragments["testfun"] =
7739                 setupPercentZero +
7740                 "%eq0 = OpIEqual %bool %zero %c_u32_0\n"
7741                 "OpSelectionMerge %exit DontFlatten\n"
7742                 "OpBranchConditional %eq0 %then %else\n"
7743
7744                 "%else = OpLabel\n"
7745                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7746                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7747                 "%wrong_branch_alert = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7748                 "OpBranch %exit\n"
7749
7750                 "%then = OpLabel\n"
7751                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7752                 "OpBranch %exit\n"
7753
7754                 "%exit = OpLabel\n"
7755                 "%ret = OpPhi %v4f32 %param1 %then %wrong_branch_alert %else\n"
7756                 "OpReturnValue %ret\n"
7757                 "OpFunctionEnd\n";
7758         addTessCtrlTest(testGroup.get(), "in_if", fragments);
7759
7760         // A barrier after control-flow reconvergence, tempting the compiler to attempt something like this:
7761         // http://lists.llvm.org/pipermail/llvm-dev/2009-October/026317.html.
7762         fragments["testfun"] =
7763                 setupPercentZero +
7764                 "%thread_id = OpLoad %i32 %BP_gl_InvocationID\n"
7765                 "%thread0 = OpIEqual %bool %thread_id %c_i32_0\n"
7766                 "OpSelectionMerge %exit DontFlatten\n"
7767                 "OpBranchConditional %thread0 %then %else\n"
7768
7769                 "%else = OpLabel\n"
7770                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7771                 "OpBranch %exit\n"
7772
7773                 "%then = OpLabel\n"
7774                 "%val1 = OpVectorExtractDynamic %f32 %param1 %zero\n"
7775                 "OpBranch %exit\n"
7776
7777                 "%exit = OpLabel\n"
7778                 "%val = OpPhi %f32 %val0 %else %val1 %then\n"
7779                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7780                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %val %zero\n"
7781                 "OpReturnValue %ret\n"
7782                 "OpFunctionEnd\n";
7783         addTessCtrlTest(testGroup.get(), "after_divergent_if", fragments);
7784
7785         // A barrier inside a loop.
7786         fragments["pre_main"] =
7787                 "%Workgroup = OpConstant %i32 2\n"
7788                 "%WorkgroupAcquireRelease = OpConstant %i32 0x108\n"
7789                 "%c_f32_10 = OpConstant %f32 10.\n";
7790         fragments["testfun"] =
7791                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7792                 "%param1 = OpFunctionParameter %v4f32\n"
7793                 "%entry = OpLabel\n"
7794                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7795                 "OpBranch %loop\n"
7796
7797                 ";adds 4, 3, 2, and 1 to %val0\n"
7798                 "%loop = OpLabel\n"
7799                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
7800                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
7801                 "OpControlBarrier %Workgroup %Workgroup %WorkgroupAcquireRelease\n"
7802                 "%fcount = OpConvertSToF %f32 %count\n"
7803                 "%val = OpFAdd %f32 %val1 %fcount\n"
7804                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7805                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7806                 "OpLoopMerge %exit %loop None\n"
7807                 "OpBranchConditional %again %loop %exit\n"
7808
7809                 "%exit = OpLabel\n"
7810                 "%same = OpFSub %f32 %val %c_f32_10\n"
7811                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7812                 "OpReturnValue %ret\n"
7813                 "OpFunctionEnd\n";
7814         addTessCtrlTest(testGroup.get(), "in_loop", fragments);
7815
7816         return testGroup.release();
7817 }
7818
7819 // Test for the OpFRem instruction.
7820 tcu::TestCaseGroup* createFRemTests(tcu::TestContext& testCtx)
7821 {
7822         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "frem", "OpFRem"));
7823         map<string, string>                                     fragments;
7824         RGBA                                                            inputColors[4];
7825         RGBA                                                            outputColors[4];
7826
7827         fragments["pre_main"]                            =
7828                 "%c_f32_3 = OpConstant %f32 3.0\n"
7829                 "%c_f32_n3 = OpConstant %f32 -3.0\n"
7830                 "%c_f32_4 = OpConstant %f32 4.0\n"
7831                 "%c_f32_p75 = OpConstant %f32 0.75\n"
7832                 "%c_v4f32_p75_p75_p75_p75 = OpConstantComposite %v4f32 %c_f32_p75 %c_f32_p75 %c_f32_p75 %c_f32_p75 \n"
7833                 "%c_v4f32_4_4_4_4 = OpConstantComposite %v4f32 %c_f32_4 %c_f32_4 %c_f32_4 %c_f32_4\n"
7834                 "%c_v4f32_3_n3_3_n3 = OpConstantComposite %v4f32 %c_f32_3 %c_f32_n3 %c_f32_3 %c_f32_n3\n";
7835
7836         // The test does the following.
7837         // vec4 result = (param1 * 8.0) - 4.0;
7838         // return (frem(result.x,3) + 0.75, frem(result.y, -3) + 0.75, 0, 1)
7839         fragments["testfun"]                             =
7840                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7841                 "%param1 = OpFunctionParameter %v4f32\n"
7842                 "%label_testfun = OpLabel\n"
7843                 "%v_times_8 = OpVectorTimesScalar %v4f32 %param1 %c_f32_8\n"
7844                 "%minus_4 = OpFSub %v4f32 %v_times_8 %c_v4f32_4_4_4_4\n"
7845                 "%frem = OpFRem %v4f32 %minus_4 %c_v4f32_3_n3_3_n3\n"
7846                 "%added = OpFAdd %v4f32 %frem %c_v4f32_p75_p75_p75_p75\n"
7847                 "%xyz_1 = OpVectorInsertDynamic %v4f32 %added %c_f32_1 %c_i32_3\n"
7848                 "%xy_0_1 = OpVectorInsertDynamic %v4f32 %xyz_1 %c_f32_0 %c_i32_2\n"
7849                 "OpReturnValue %xy_0_1\n"
7850                 "OpFunctionEnd\n";
7851
7852
7853         inputColors[0]          = RGBA(16,      16,             0, 255);
7854         inputColors[1]          = RGBA(232, 232,        0, 255);
7855         inputColors[2]          = RGBA(232, 16,         0, 255);
7856         inputColors[3]          = RGBA(16,      232,    0, 255);
7857
7858         outputColors[0]         = RGBA(64,      64,             0, 255);
7859         outputColors[1]         = RGBA(255, 255,        0, 255);
7860         outputColors[2]         = RGBA(255, 64,         0, 255);
7861         outputColors[3]         = RGBA(64,      255,    0, 255);
7862
7863         createTestsForAllStages("frem", inputColors, outputColors, fragments, testGroup.get());
7864         return testGroup.release();
7865 }
7866
7867 // Test for the OpSRem instruction.
7868 tcu::TestCaseGroup* createOpSRemGraphicsTests(tcu::TestContext& testCtx, qpTestResult negFailResult)
7869 {
7870         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "srem", "OpSRem"));
7871         map<string, string>                                     fragments;
7872
7873         fragments["pre_main"]                            =
7874                 "%c_f32_255 = OpConstant %f32 255.0\n"
7875                 "%c_i32_128 = OpConstant %i32 128\n"
7876                 "%c_i32_255 = OpConstant %i32 255\n"
7877                 "%c_v4f32_255 = OpConstantComposite %v4f32 %c_f32_255 %c_f32_255 %c_f32_255 %c_f32_255 \n"
7878                 "%c_v4f32_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 \n"
7879                 "%c_v4i32_128 = OpConstantComposite %v4i32 %c_i32_128 %c_i32_128 %c_i32_128 %c_i32_128 \n";
7880
7881         // The test does the following.
7882         // ivec4 ints = int(param1 * 255.0 + 0.5) - 128;
7883         // ivec4 result = ivec4(srem(ints.x, ints.y), srem(ints.y, ints.z), srem(ints.z, ints.x), 255);
7884         // return float(result + 128) / 255.0;
7885         fragments["testfun"]                             =
7886                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7887                 "%param1 = OpFunctionParameter %v4f32\n"
7888                 "%label_testfun = OpLabel\n"
7889                 "%div255 = OpFMul %v4f32 %param1 %c_v4f32_255\n"
7890                 "%add0_5 = OpFAdd %v4f32 %div255 %c_v4f32_0_5\n"
7891                 "%uints_in = OpConvertFToS %v4i32 %add0_5\n"
7892                 "%ints_in = OpISub %v4i32 %uints_in %c_v4i32_128\n"
7893                 "%x_in = OpCompositeExtract %i32 %ints_in 0\n"
7894                 "%y_in = OpCompositeExtract %i32 %ints_in 1\n"
7895                 "%z_in = OpCompositeExtract %i32 %ints_in 2\n"
7896                 "%x_out = OpSRem %i32 %x_in %y_in\n"
7897                 "%y_out = OpSRem %i32 %y_in %z_in\n"
7898                 "%z_out = OpSRem %i32 %z_in %x_in\n"
7899                 "%ints_out = OpCompositeConstruct %v4i32 %x_out %y_out %z_out %c_i32_255\n"
7900                 "%ints_offset = OpIAdd %v4i32 %ints_out %c_v4i32_128\n"
7901                 "%f_ints_offset = OpConvertSToF %v4f32 %ints_offset\n"
7902                 "%float_out = OpFDiv %v4f32 %f_ints_offset %c_v4f32_255\n"
7903                 "OpReturnValue %float_out\n"
7904                 "OpFunctionEnd\n";
7905
7906         const struct CaseParams
7907         {
7908                 const char*             name;
7909                 const char*             failMessageTemplate;    // customized status message
7910                 qpTestResult    failResult;                             // override status on failure
7911                 int                             operands[4][3];                 // four (x, y, z) vectors of operands
7912                 int                             results[4][3];                  // four (x, y, z) vectors of results
7913         } cases[] =
7914         {
7915                 {
7916                         "positive",
7917                         "${reason}",
7918                         QP_TEST_RESULT_FAIL,
7919                         { { 5, 12, 17 }, { 5, 5, 7 }, { 75, 8, 81 }, { 25, 60, 100 } },                 // operands
7920                         { { 5, 12,  2 }, { 0, 5, 2 }, {  3, 8,  6 }, { 25, 60,   0 } },                 // results
7921                 },
7922                 {
7923                         "all",
7924                         "Inconsistent results, but within specification: ${reason}",
7925                         negFailResult,                                                                                                                  // negative operands, not required by the spec
7926                         { { 5, 12, -17 }, { -5, -5, 7 }, { 75, 8, -81 }, { 25, -60, 100 } },    // operands
7927                         { { 5, 12,  -2 }, {  0, -5, 2 }, {  3, 8,  -6 }, { 25, -60,   0 } },    // results
7928                 },
7929         };
7930         // If either operand is negative the result is undefined. Some implementations may still return correct values.
7931
7932         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
7933         {
7934                 const CaseParams&       params                  = cases[caseNdx];
7935                 RGBA                            inputColors[4];
7936                 RGBA                            outputColors[4];
7937
7938                 for (int i = 0; i < 4; ++i)
7939                 {
7940                         inputColors [i] = RGBA(params.operands[i][0] + 128, params.operands[i][1] + 128, params.operands[i][2] + 128, 255);
7941                         outputColors[i] = RGBA(params.results [i][0] + 128, params.results [i][1] + 128, params.results [i][2] + 128, 255);
7942                 }
7943
7944                 createTestsForAllStages(params.name, inputColors, outputColors, fragments, testGroup.get(), params.failResult, params.failMessageTemplate);
7945         }
7946
7947         return testGroup.release();
7948 }
7949
7950 // Test for the OpSMod instruction.
7951 tcu::TestCaseGroup* createOpSModGraphicsTests(tcu::TestContext& testCtx, qpTestResult negFailResult)
7952 {
7953         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "smod", "OpSMod"));
7954         map<string, string>                                     fragments;
7955
7956         fragments["pre_main"]                            =
7957                 "%c_f32_255 = OpConstant %f32 255.0\n"
7958                 "%c_i32_128 = OpConstant %i32 128\n"
7959                 "%c_i32_255 = OpConstant %i32 255\n"
7960                 "%c_v4f32_255 = OpConstantComposite %v4f32 %c_f32_255 %c_f32_255 %c_f32_255 %c_f32_255 \n"
7961                 "%c_v4f32_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 \n"
7962                 "%c_v4i32_128 = OpConstantComposite %v4i32 %c_i32_128 %c_i32_128 %c_i32_128 %c_i32_128 \n";
7963
7964         // The test does the following.
7965         // ivec4 ints = int(param1 * 255.0 + 0.5) - 128;
7966         // ivec4 result = ivec4(smod(ints.x, ints.y), smod(ints.y, ints.z), smod(ints.z, ints.x), 255);
7967         // return float(result + 128) / 255.0;
7968         fragments["testfun"]                             =
7969                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
7970                 "%param1 = OpFunctionParameter %v4f32\n"
7971                 "%label_testfun = OpLabel\n"
7972                 "%div255 = OpFMul %v4f32 %param1 %c_v4f32_255\n"
7973                 "%add0_5 = OpFAdd %v4f32 %div255 %c_v4f32_0_5\n"
7974                 "%uints_in = OpConvertFToS %v4i32 %add0_5\n"
7975                 "%ints_in = OpISub %v4i32 %uints_in %c_v4i32_128\n"
7976                 "%x_in = OpCompositeExtract %i32 %ints_in 0\n"
7977                 "%y_in = OpCompositeExtract %i32 %ints_in 1\n"
7978                 "%z_in = OpCompositeExtract %i32 %ints_in 2\n"
7979                 "%x_out = OpSMod %i32 %x_in %y_in\n"
7980                 "%y_out = OpSMod %i32 %y_in %z_in\n"
7981                 "%z_out = OpSMod %i32 %z_in %x_in\n"
7982                 "%ints_out = OpCompositeConstruct %v4i32 %x_out %y_out %z_out %c_i32_255\n"
7983                 "%ints_offset = OpIAdd %v4i32 %ints_out %c_v4i32_128\n"
7984                 "%f_ints_offset = OpConvertSToF %v4f32 %ints_offset\n"
7985                 "%float_out = OpFDiv %v4f32 %f_ints_offset %c_v4f32_255\n"
7986                 "OpReturnValue %float_out\n"
7987                 "OpFunctionEnd\n";
7988
7989         const struct CaseParams
7990         {
7991                 const char*             name;
7992                 const char*             failMessageTemplate;    // customized status message
7993                 qpTestResult    failResult;                             // override status on failure
7994                 int                             operands[4][3];                 // four (x, y, z) vectors of operands
7995                 int                             results[4][3];                  // four (x, y, z) vectors of results
7996         } cases[] =
7997         {
7998                 {
7999                         "positive",
8000                         "${reason}",
8001                         QP_TEST_RESULT_FAIL,
8002                         { { 5, 12, 17 }, { 5, 5, 7 }, { 75, 8, 81 }, { 25, 60, 100 } },                         // operands
8003                         { { 5, 12,  2 }, { 0, 5, 2 }, {  3, 8,  6 }, { 25, 60,   0 } },                         // results
8004                 },
8005                 {
8006                         "all",
8007                         "Inconsistent results, but within specification: ${reason}",
8008                         negFailResult,                                                                                                                          // negative operands, not required by the spec
8009                         { { 5, 12, -17 }, { -5, -5,  7 }, { 75,   8, -81 }, {  25, -60, 100 } },        // operands
8010                         { { 5, -5,   3 }, {  0,  2, -3 }, {  3, -73,  69 }, { -35,  40,   0 } },        // results
8011                 },
8012         };
8013         // If either operand is negative the result is undefined. Some implementations may still return correct values.
8014
8015         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
8016         {
8017                 const CaseParams&       params                  = cases[caseNdx];
8018                 RGBA                            inputColors[4];
8019                 RGBA                            outputColors[4];
8020
8021                 for (int i = 0; i < 4; ++i)
8022                 {
8023                         inputColors [i] = RGBA(params.operands[i][0] + 128, params.operands[i][1] + 128, params.operands[i][2] + 128, 255);
8024                         outputColors[i] = RGBA(params.results [i][0] + 128, params.results [i][1] + 128, params.results [i][2] + 128, 255);
8025                 }
8026
8027                 createTestsForAllStages(params.name, inputColors, outputColors, fragments, testGroup.get(), params.failResult, params.failMessageTemplate);
8028         }
8029         return testGroup.release();
8030 }
8031
8032 enum ConversionDataType
8033 {
8034         DATA_TYPE_SIGNED_16,
8035         DATA_TYPE_SIGNED_32,
8036         DATA_TYPE_SIGNED_64,
8037         DATA_TYPE_UNSIGNED_16,
8038         DATA_TYPE_UNSIGNED_32,
8039         DATA_TYPE_UNSIGNED_64,
8040         DATA_TYPE_FLOAT_32,
8041         DATA_TYPE_FLOAT_64,
8042         DATA_TYPE_VEC2_SIGNED_16,
8043         DATA_TYPE_VEC2_SIGNED_32
8044 };
8045
8046 const string getBitWidthStr (ConversionDataType type)
8047 {
8048         switch (type)
8049         {
8050                 case DATA_TYPE_SIGNED_16:
8051                 case DATA_TYPE_UNSIGNED_16:
8052                         return "16";
8053
8054                 case DATA_TYPE_SIGNED_32:
8055                 case DATA_TYPE_UNSIGNED_32:
8056                 case DATA_TYPE_FLOAT_32:
8057                 case DATA_TYPE_VEC2_SIGNED_16:
8058                         return "32";
8059
8060                 case DATA_TYPE_SIGNED_64:
8061                 case DATA_TYPE_UNSIGNED_64:
8062                 case DATA_TYPE_FLOAT_64:
8063                 case DATA_TYPE_VEC2_SIGNED_32:
8064                         return "64";
8065
8066                 default:
8067                         DE_ASSERT(false);
8068         }
8069         return "";
8070 }
8071
8072 const string getByteWidthStr (ConversionDataType type)
8073 {
8074         switch (type)
8075         {
8076                 case DATA_TYPE_SIGNED_16:
8077                 case DATA_TYPE_UNSIGNED_16:
8078                         return "2";
8079
8080                 case DATA_TYPE_SIGNED_32:
8081                 case DATA_TYPE_UNSIGNED_32:
8082                 case DATA_TYPE_FLOAT_32:
8083                 case DATA_TYPE_VEC2_SIGNED_16:
8084                         return "4";
8085
8086                 case DATA_TYPE_SIGNED_64:
8087                 case DATA_TYPE_UNSIGNED_64:
8088                 case DATA_TYPE_FLOAT_64:
8089                 case DATA_TYPE_VEC2_SIGNED_32:
8090                         return "8";
8091
8092                 default:
8093                         DE_ASSERT(false);
8094         }
8095         return "";
8096 }
8097
8098 bool isSigned (ConversionDataType type)
8099 {
8100         switch (type)
8101         {
8102                 case DATA_TYPE_SIGNED_16:
8103                 case DATA_TYPE_SIGNED_32:
8104                 case DATA_TYPE_SIGNED_64:
8105                 case DATA_TYPE_FLOAT_32:
8106                 case DATA_TYPE_FLOAT_64:
8107                 case DATA_TYPE_VEC2_SIGNED_16:
8108                 case DATA_TYPE_VEC2_SIGNED_32:
8109                         return true;
8110
8111                 case DATA_TYPE_UNSIGNED_16:
8112                 case DATA_TYPE_UNSIGNED_32:
8113                 case DATA_TYPE_UNSIGNED_64:
8114                         return false;
8115
8116                 default:
8117                         DE_ASSERT(false);
8118         }
8119         return false;
8120 }
8121
8122 bool isInt (ConversionDataType type)
8123 {
8124         switch (type)
8125         {
8126                 case DATA_TYPE_SIGNED_16:
8127                 case DATA_TYPE_SIGNED_32:
8128                 case DATA_TYPE_SIGNED_64:
8129                 case DATA_TYPE_UNSIGNED_16:
8130                 case DATA_TYPE_UNSIGNED_32:
8131                 case DATA_TYPE_UNSIGNED_64:
8132                         return true;
8133
8134                 case DATA_TYPE_FLOAT_32:
8135                 case DATA_TYPE_FLOAT_64:
8136                 case DATA_TYPE_VEC2_SIGNED_16:
8137                 case DATA_TYPE_VEC2_SIGNED_32:
8138                         return false;
8139
8140                 default:
8141                         DE_ASSERT(false);
8142         }
8143         return false;
8144 }
8145
8146 bool isFloat (ConversionDataType type)
8147 {
8148         switch (type)
8149         {
8150                 case DATA_TYPE_SIGNED_16:
8151                 case DATA_TYPE_SIGNED_32:
8152                 case DATA_TYPE_SIGNED_64:
8153                 case DATA_TYPE_UNSIGNED_16:
8154                 case DATA_TYPE_UNSIGNED_32:
8155                 case DATA_TYPE_UNSIGNED_64:
8156                 case DATA_TYPE_VEC2_SIGNED_16:
8157                 case DATA_TYPE_VEC2_SIGNED_32:
8158                         return false;
8159
8160                 case DATA_TYPE_FLOAT_32:
8161                 case DATA_TYPE_FLOAT_64:
8162                         return true;
8163
8164                 default:
8165                         DE_ASSERT(false);
8166         }
8167         return false;
8168 }
8169
8170 const string getTypeName (ConversionDataType type)
8171 {
8172         string prefix = isSigned(type) ? "" : "u";
8173
8174         if              (isInt(type))                                           return prefix + "int"   + getBitWidthStr(type);
8175         else if (isFloat(type))                                         return prefix + "float" + getBitWidthStr(type);
8176         else if (type == DATA_TYPE_VEC2_SIGNED_16)      return "i16vec2";
8177         else if (type == DATA_TYPE_VEC2_SIGNED_32)      return "i32vec2";
8178         else                                                                            DE_ASSERT(false);
8179
8180         return "";
8181 }
8182
8183 const string getTestName (ConversionDataType from, ConversionDataType to)
8184 {
8185         return getTypeName(from) + "_to_" + getTypeName(to);
8186 }
8187
8188 const string getAsmTypeName (ConversionDataType type)
8189 {
8190         string prefix;
8191
8192         if              (isInt(type))                                           prefix = isSigned(type) ? "i" : "u";
8193         else if (isFloat(type))                                         prefix = "f";
8194         else if (type == DATA_TYPE_VEC2_SIGNED_16)      return "i16vec2";
8195         else if (type == DATA_TYPE_VEC2_SIGNED_32)      return "v2i32";
8196         else                                                                            DE_ASSERT(false);
8197
8198         return prefix + getBitWidthStr(type);
8199 }
8200
8201 template<typename T>
8202 BufferSp getSpecializedBuffer (deInt64 number)
8203 {
8204         return BufferSp(new Buffer<T>(vector<T>(1, (T)number)));
8205 }
8206
8207 BufferSp getBuffer (ConversionDataType type, deInt64 number)
8208 {
8209         switch (type)
8210         {
8211                 case DATA_TYPE_SIGNED_16:               return getSpecializedBuffer<deInt16>(number);
8212                 case DATA_TYPE_SIGNED_32:               return getSpecializedBuffer<deInt32>(number);
8213                 case DATA_TYPE_SIGNED_64:               return getSpecializedBuffer<deInt64>(number);
8214                 case DATA_TYPE_UNSIGNED_16:             return getSpecializedBuffer<deUint16>(number);
8215                 case DATA_TYPE_UNSIGNED_32:             return getSpecializedBuffer<deUint32>(number);
8216                 case DATA_TYPE_UNSIGNED_64:             return getSpecializedBuffer<deUint64>(number);
8217                 case DATA_TYPE_FLOAT_32:                return getSpecializedBuffer<deUint32>(number);
8218                 case DATA_TYPE_FLOAT_64:                return getSpecializedBuffer<deUint64>(number);
8219                 case DATA_TYPE_VEC2_SIGNED_16:  return getSpecializedBuffer<deUint32>(number);
8220                 case DATA_TYPE_VEC2_SIGNED_32:  return getSpecializedBuffer<deUint64>(number);
8221
8222                 default:                                                DE_ASSERT(false);
8223                                                                                 return BufferSp(new Buffer<deInt32>(vector<deInt32>(1, 0)));
8224         }
8225 }
8226
8227 bool usesInt16 (ConversionDataType from, ConversionDataType to)
8228 {
8229         return (from == DATA_TYPE_SIGNED_16 || from == DATA_TYPE_UNSIGNED_16
8230                         || to == DATA_TYPE_SIGNED_16 || to == DATA_TYPE_UNSIGNED_16
8231                         || from == DATA_TYPE_VEC2_SIGNED_16 || to == DATA_TYPE_VEC2_SIGNED_16);
8232 }
8233
8234 bool usesInt32 (ConversionDataType from, ConversionDataType to)
8235 {
8236         return (from == DATA_TYPE_SIGNED_32 || from == DATA_TYPE_UNSIGNED_32
8237                 || to == DATA_TYPE_SIGNED_32 || to == DATA_TYPE_UNSIGNED_32
8238                 || from == DATA_TYPE_VEC2_SIGNED_32 || to == DATA_TYPE_VEC2_SIGNED_32);
8239 }
8240
8241 bool usesInt64 (ConversionDataType from, ConversionDataType to)
8242 {
8243         return (from == DATA_TYPE_SIGNED_64 || from == DATA_TYPE_UNSIGNED_64
8244                         || to == DATA_TYPE_SIGNED_64 || to == DATA_TYPE_UNSIGNED_64);
8245 }
8246
8247 bool usesFloat64 (ConversionDataType from, ConversionDataType to)
8248 {
8249         return (from == DATA_TYPE_FLOAT_64 || to == DATA_TYPE_FLOAT_64);
8250 }
8251
8252
8253 ComputeTestFeatures getConversionUsedFeatures (ConversionDataType from, ConversionDataType to)
8254 {
8255         if (usesInt16(from, to) && usesInt64(from, to))                 return COMPUTE_TEST_USES_INT16_INT64;
8256         else if (usesInt16(from, to) && usesInt32(from, to))    return COMPUTE_TEST_USES_NONE;
8257         else if (usesInt16(from, to))                                                   return COMPUTE_TEST_USES_INT16;                 // This is not set for int16<-->int32 only conversions
8258         else if (usesInt64(from, to))                                                   return COMPUTE_TEST_USES_INT64;
8259         else if (usesFloat64(from, to))                                                 return COMPUTE_TEST_USES_FLOAT64;
8260         else                                                                                                    return COMPUTE_TEST_USES_NONE;
8261 }
8262
8263 vector<string> getFeatureStringVector (ComputeTestFeatures computeTestFeatures)
8264 {
8265         vector<string> features;
8266         if (computeTestFeatures == COMPUTE_TEST_USES_INT16_INT64)
8267         {
8268                 features.push_back("shaderInt16");
8269                 features.push_back("shaderInt64");
8270         }
8271         else if (computeTestFeatures == COMPUTE_TEST_USES_INT16)                features.push_back("shaderInt16");
8272         else if (computeTestFeatures == COMPUTE_TEST_USES_INT64)                features.push_back("shaderInt64");
8273         else if (computeTestFeatures == COMPUTE_TEST_USES_FLOAT64)              features.push_back("shaderFloat64");
8274         else if (computeTestFeatures == COMPUTE_TEST_USES_NONE)                 {}
8275         else                                                                                                                    DE_ASSERT(false);
8276
8277         return features;
8278 }
8279
8280 struct ConvertCase
8281 {
8282         ConvertCase (ConversionDataType from, ConversionDataType to, deInt64 number, bool separateOutput = false, deInt64 outputNumber = 0)
8283         : m_fromType            (from)
8284         , m_toType                      (to)
8285         , m_features            (getConversionUsedFeatures(from, to))
8286         , m_name                        (getTestName(from, to))
8287         , m_inputBuffer         (getBuffer(from, number))
8288         {
8289                 m_asmTypes["inputType"]         = getAsmTypeName(from);
8290                 m_asmTypes["outputType"]        = getAsmTypeName(to);
8291
8292                 if (separateOutput)
8293                         m_outputBuffer = getBuffer(to, outputNumber);
8294                 else
8295                         m_outputBuffer = getBuffer(to, number);
8296
8297                 if (m_features == COMPUTE_TEST_USES_INT16)
8298                 {
8299                         m_asmTypes["datatype_capabilities"]       =             "OpCapability Int16\n"
8300                                                                                                                 "OpCapability StorageUniformBufferBlock16\n"
8301                                                                                                                 "OpCapability StorageUniform16\n";
8302                         m_asmTypes["datatype_additional_decl"] =        "%i16        = OpTypeInt 16 1\n"
8303                                                                                                                 "%u16        = OpTypeInt 16 0\n"
8304                                                                                                                 "%i16vec2    = OpTypeVector %i16 2\n";
8305                         m_asmTypes["datatype_extensions"]         =             "OpExtension \"SPV_KHR_16bit_storage\"\n";
8306                 }
8307                 else if (m_features == COMPUTE_TEST_USES_INT64)
8308                 {
8309                         m_asmTypes["datatype_capabilities"]       =             "OpCapability Int64\n";
8310                         m_asmTypes["datatype_additional_decl"] =        "%i64        = OpTypeInt 64 1\n"
8311                                                                                                                 "%u64        = OpTypeInt 64 0\n";
8312                         m_asmTypes["datatype_extensions"]         =             "";
8313                 }
8314                 else if (m_features == COMPUTE_TEST_USES_INT16_INT64)
8315                 {
8316                         m_asmTypes["datatype_capabilities"]       =             "OpCapability Int16\n"
8317                                                                                                                 "OpCapability StorageUniformBufferBlock16\n"
8318                                                                                                                 "OpCapability StorageUniform16\n"
8319                                                                                                                 "OpCapability Int64\n";
8320                         m_asmTypes["datatype_additional_decl"] =        "%i16        = OpTypeInt 16 1\n"
8321                                                                                                                 "%u16        = OpTypeInt 16 0\n"
8322                                                                                                                 "%i64        = OpTypeInt 64 1\n"
8323                                                                                                                 "%u64        = OpTypeInt 64 0\n";
8324                         m_asmTypes["datatype_extensions"]         =             "OpExtension \"SPV_KHR_16bit_storage\"\n";
8325                 }
8326                 else if (m_features == COMPUTE_TEST_USES_FLOAT64)
8327                 {
8328                         m_asmTypes["datatype_capabilities"]             =       "OpCapability Float64\n";
8329                         m_asmTypes["datatype_additional_decl"]  =       "%f64        = OpTypeFloat 64\n";
8330                 }
8331                 else if (usesInt16(from, to) && usesInt32(from, to))
8332                 {
8333                         m_asmTypes["datatype_capabilities"]       =             "OpCapability StorageUniformBufferBlock16\n"
8334                                                                                                                 "OpCapability StorageUniform16\n";
8335                         m_asmTypes["datatype_additional_decl"] =        "%i16        = OpTypeInt 16 1\n"
8336                                                                                                                 "%u16        = OpTypeInt 16 0\n"
8337                                                                                                                 "%i16vec2    = OpTypeVector %i16 2\n";
8338                         m_asmTypes["datatype_extensions"]         =             "OpExtension \"SPV_KHR_16bit_storage\"\n";
8339                 }
8340                 else
8341                 {
8342                         DE_ASSERT(false);
8343                 }
8344         }
8345
8346         ConversionDataType              m_fromType;
8347         ConversionDataType              m_toType;
8348         ComputeTestFeatures             m_features;
8349         string                                  m_name;
8350         map<string, string>             m_asmTypes;
8351         BufferSp                                m_inputBuffer;
8352         BufferSp                                m_outputBuffer;
8353 };
8354
8355 const string getConvertCaseShaderStr (const string& instruction, const ConvertCase& convertCase)
8356 {
8357         map<string, string> params = convertCase.m_asmTypes;
8358
8359         params["instruction"]   = instruction;
8360         params["inDecorator"]   = getByteWidthStr(convertCase.m_fromType);
8361         params["outDecorator"]  = getByteWidthStr(convertCase.m_toType);
8362
8363         const StringTemplate shader (
8364                 "OpCapability Shader\n"
8365                 "${datatype_capabilities}"
8366                 "${datatype_extensions:opt}"
8367                 "OpMemoryModel Logical GLSL450\n"
8368                 "OpEntryPoint GLCompute %main \"main\"\n"
8369                 "OpExecutionMode %main LocalSize 1 1 1\n"
8370                 "OpSource GLSL 430\n"
8371                 "OpName %main           \"main\"\n"
8372                 // Decorators
8373                 "OpDecorate %indata DescriptorSet 0\n"
8374                 "OpDecorate %indata Binding 0\n"
8375                 "OpDecorate %outdata DescriptorSet 0\n"
8376                 "OpDecorate %outdata Binding 1\n"
8377                 "OpDecorate %in_buf BufferBlock\n"
8378                 "OpDecorate %out_buf BufferBlock\n"
8379                 "OpMemberDecorate %in_buf 0 Offset 0\n"
8380                 "OpMemberDecorate %out_buf 0 Offset 0\n"
8381                 // Base types
8382                 "%void       = OpTypeVoid\n"
8383                 "%voidf      = OpTypeFunction %void\n"
8384                 "%u32        = OpTypeInt 32 0\n"
8385                 "%i32        = OpTypeInt 32 1\n"
8386                 "%f32        = OpTypeFloat 32\n"
8387                 "%v2i32      = OpTypeVector %i32 2\n"
8388                 "${datatype_additional_decl}"
8389                 "%uvec3      = OpTypeVector %u32 3\n"
8390                 // Derived types
8391                 "%in_ptr     = OpTypePointer Uniform %${inputType}\n"
8392                 "%out_ptr    = OpTypePointer Uniform %${outputType}\n"
8393                 "%in_buf     = OpTypeStruct %${inputType}\n"
8394                 "%out_buf    = OpTypeStruct %${outputType}\n"
8395                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
8396                 "%out_bufptr = OpTypePointer Uniform %out_buf\n"
8397                 "%indata     = OpVariable %in_bufptr Uniform\n"
8398                 "%outdata    = OpVariable %out_bufptr Uniform\n"
8399                 // Constants
8400                 "%zero       = OpConstant %i32 0\n"
8401                 // Main function
8402                 "%main       = OpFunction %void None %voidf\n"
8403                 "%label      = OpLabel\n"
8404                 "%inloc      = OpAccessChain %in_ptr %indata %zero\n"
8405                 "%outloc     = OpAccessChain %out_ptr %outdata %zero\n"
8406                 "%inval      = OpLoad %${inputType} %inloc\n"
8407                 "%conv       = ${instruction} %${outputType} %inval\n"
8408                 "              OpStore %outloc %conv\n"
8409                 "              OpReturn\n"
8410                 "              OpFunctionEnd\n"
8411         );
8412
8413         return shader.specialize(params);
8414 }
8415
8416 void createConvertCases (vector<ConvertCase>& testCases, const string& instruction)
8417 {
8418         if (instruction == "OpUConvert")
8419         {
8420                 // Convert unsigned int to unsigned int
8421                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_16,          DATA_TYPE_UNSIGNED_32,          60653));
8422                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_16,          DATA_TYPE_UNSIGNED_64,          17991));
8423                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_32,          DATA_TYPE_UNSIGNED_64,          904256275));
8424                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_32,          DATA_TYPE_UNSIGNED_16,          6275));
8425                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_64,          DATA_TYPE_UNSIGNED_32,          701256243));
8426                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_64,          DATA_TYPE_UNSIGNED_16,          4741));
8427         }
8428         else if (instruction == "OpSConvert")
8429         {
8430                 // Sign extension int->int
8431                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_16,            DATA_TYPE_SIGNED_32,            14669));
8432                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_16,            DATA_TYPE_SIGNED_64,            -3341));
8433                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_32,            DATA_TYPE_SIGNED_64,            973610259));
8434
8435                 // Truncate for int->int
8436                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_32,            DATA_TYPE_SIGNED_16,            12382));
8437                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_64,            DATA_TYPE_SIGNED_32,            -972812359));
8438                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_64,            DATA_TYPE_SIGNED_16,            -1067742499291926803ll,                         true,   -4371));
8439
8440                 // Sign extension for int->uint
8441                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_16,            DATA_TYPE_UNSIGNED_32,          14669));
8442                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_16,            DATA_TYPE_UNSIGNED_64,          -3341,                                                          true,   18446744073709548275ull));
8443                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_32,            DATA_TYPE_UNSIGNED_64,          973610259));
8444
8445                 // Truncate for int->uint
8446                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_32,            DATA_TYPE_UNSIGNED_16,          12382));
8447                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_64,            DATA_TYPE_UNSIGNED_32,          -972812359,                                                     true,   3322154937u));
8448                 testCases.push_back(ConvertCase(DATA_TYPE_SIGNED_64,            DATA_TYPE_UNSIGNED_16,          -1067742499291926803ll,                         true,   61165));
8449
8450                 // Sign extension for uint->int
8451                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_16,          DATA_TYPE_SIGNED_32,            14669));
8452                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_16,          DATA_TYPE_SIGNED_64,            62195,                                                          true,   -3341));
8453                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_32,          DATA_TYPE_SIGNED_64,            973610259));
8454
8455                 // Truncate for uint->int
8456                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_32,          DATA_TYPE_SIGNED_16,            12382));
8457                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_64,          DATA_TYPE_SIGNED_32,            18446744072736739257ull,                        true,   -972812359));
8458                 testCases.push_back(ConvertCase(DATA_TYPE_UNSIGNED_64,          DATA_TYPE_SIGNED_16,            17379001574417624813ull,                        true,   -4371));
8459
8460                 // Convert i16vec2 to i32vec2 and vice versa
8461                 // Unsigned values are used here to represent negative signed values and to allow defined shifting behaviour.
8462                 // The actual signed value -32123 is used here as uint16 value 33413 and uint32 value 4294935173
8463                 testCases.push_back(ConvertCase(DATA_TYPE_VEC2_SIGNED_16,       DATA_TYPE_VEC2_SIGNED_32,       (33413u << 16)                  | 27593,        true,   (4294935173ull << 32)   | 27593));
8464                 testCases.push_back(ConvertCase(DATA_TYPE_VEC2_SIGNED_32,       DATA_TYPE_VEC2_SIGNED_16,       (4294935173ull << 32)   | 27593,        true,   (33413u << 16)                  | 27593));
8465         }
8466         else if (instruction == "OpFConvert")
8467         {
8468                 // All hexadecimal values below represent 1024.0 as 32/64-bit IEEE 754 float
8469                 testCases.push_back(ConvertCase(DATA_TYPE_FLOAT_32,                     DATA_TYPE_FLOAT_64,                     0x449a4000,                                                     true,   0x4093480000000000));
8470                 testCases.push_back(ConvertCase(DATA_TYPE_FLOAT_64,                     DATA_TYPE_FLOAT_32,                     0x4093480000000000,                                     true,   0x449a4000));
8471         }
8472         else
8473                 DE_FATAL("Unknown instruction");
8474 }
8475
8476 const map<string, string> getConvertCaseFragments (string instruction, const ConvertCase& convertCase)
8477 {
8478         map<string, string> params = convertCase.m_asmTypes;
8479         map<string, string> fragments;
8480
8481         params["instruction"] = instruction;
8482         params["inDecorator"] = getByteWidthStr(convertCase.m_fromType);
8483
8484         const StringTemplate decoration (
8485                 "      OpDecorate %SSBOi DescriptorSet 0\n"
8486                 "      OpDecorate %SSBOo DescriptorSet 0\n"
8487                 "      OpDecorate %SSBOi Binding 0\n"
8488                 "      OpDecorate %SSBOo Binding 1\n"
8489                 "      OpDecorate %s_SSBOi Block\n"
8490                 "      OpDecorate %s_SSBOo Block\n"
8491                 "OpMemberDecorate %s_SSBOi 0 Offset 0\n"
8492                 "OpMemberDecorate %s_SSBOo 0 Offset 0\n");
8493
8494         const StringTemplate pre_main (
8495                 "${datatype_additional_decl:opt}"
8496                 "    %ptr_in = OpTypePointer StorageBuffer %${inputType}\n"
8497                 "   %ptr_out = OpTypePointer StorageBuffer %${outputType}\n"
8498                 "   %s_SSBOi = OpTypeStruct %${inputType}\n"
8499                 "   %s_SSBOo = OpTypeStruct %${outputType}\n"
8500                 " %ptr_SSBOi = OpTypePointer StorageBuffer %s_SSBOi\n"
8501                 " %ptr_SSBOo = OpTypePointer StorageBuffer %s_SSBOo\n"
8502                 "     %SSBOi = OpVariable %ptr_SSBOi StorageBuffer\n"
8503                 "     %SSBOo = OpVariable %ptr_SSBOo StorageBuffer\n");
8504
8505         const StringTemplate testfun (
8506                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
8507                 "%param     = OpFunctionParameter %v4f32\n"
8508                 "%label     = OpLabel\n"
8509                 "%iLoc      = OpAccessChain %ptr_in %SSBOi %c_u32_0\n"
8510                 "%oLoc      = OpAccessChain %ptr_out %SSBOo %c_u32_0\n"
8511                 "%valIn     = OpLoad %${inputType} %iLoc\n"
8512                 "%valOut    = ${instruction} %${outputType} %valIn\n"
8513                 "             OpStore %oLoc %valOut\n"
8514                 "             OpReturnValue %param\n"
8515                 "             OpFunctionEnd\n");
8516
8517         params["datatype_extensions"] =
8518                 params["datatype_extensions"] +
8519                 "OpExtension \"SPV_KHR_storage_buffer_storage_class\"\n";
8520
8521         fragments["capability"] = params["datatype_capabilities"];
8522         fragments["extension"]  = params["datatype_extensions"];
8523         fragments["decoration"] = decoration.specialize(params);
8524         fragments["pre_main"]   = pre_main.specialize(params);
8525         fragments["testfun"]    = testfun.specialize(params);
8526
8527         return fragments;
8528 }
8529
8530 // Test for OpSConvert, OpUConvert and OpFConvert in compute shaders
8531 tcu::TestCaseGroup* createConvertComputeTests (tcu::TestContext& testCtx, const string& instruction, const string& name)
8532 {
8533         de::MovePtr<tcu::TestCaseGroup>         group(new tcu::TestCaseGroup(testCtx, name.c_str(), instruction.c_str()));
8534         vector<ConvertCase>                                     testCases;
8535         createConvertCases(testCases, instruction);
8536
8537         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8538         {
8539                 ComputeShaderSpec spec;
8540                 spec.assembly                   = getConvertCaseShaderStr(instruction, *test);
8541                 spec.numWorkGroups              = IVec3(1, 1, 1);
8542                 spec.inputs.push_back   (test->m_inputBuffer);
8543                 spec.outputs.push_back  (test->m_outputBuffer);
8544
8545                 if (test->m_features == COMPUTE_TEST_USES_INT16 || test->m_features == COMPUTE_TEST_USES_INT16_INT64 || usesInt16(test->m_fromType, test->m_toType)) {
8546                         spec.extensions.push_back("VK_KHR_16bit_storage");
8547                         spec.requestedVulkanFeatures.ext16BitStorage = EXT16BITSTORAGEFEATURES_UNIFORM_BUFFER_BLOCK;
8548                 }
8549
8550                 group->addChild(new SpvAsmComputeShaderCase(testCtx, test->m_name.c_str(), "", spec, test->m_features));
8551         }
8552         return group.release();
8553 }
8554
8555 // Test for OpSConvert, OpUConvert and OpFConvert in graphics shaders
8556 tcu::TestCaseGroup* createConvertGraphicsTests (tcu::TestContext& testCtx, const string& instruction, const string& name)
8557 {
8558         de::MovePtr<tcu::TestCaseGroup>         group(new tcu::TestCaseGroup(testCtx, name.c_str(), instruction.c_str()));
8559         vector<ConvertCase>                                     testCases;
8560         createConvertCases(testCases, instruction);
8561
8562         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8563         {
8564                 map<string, string>     fragments               = getConvertCaseFragments(instruction, *test);
8565                 vector<string>          features                = getFeatureStringVector(test->m_features);
8566                 GraphicsResources       resources;
8567                 vector<string>          extensions;
8568                 SpecConstants           noSpecConstants;
8569                 PushConstants           noPushConstants;
8570                 VulkanFeatures          vulkanFeatures;
8571                 GraphicsInterfaces      noInterfaces;
8572                 tcu::RGBA                       defaultColors[4];
8573
8574                 getDefaultColors                        (defaultColors);
8575                 resources.inputs.push_back      (Resource(test->m_inputBuffer, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER));
8576                 resources.outputs.push_back     (Resource(test->m_outputBuffer, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER));
8577                 extensions.push_back            ("VK_KHR_storage_buffer_storage_class");
8578
8579                 if (test->m_features == COMPUTE_TEST_USES_INT16 || test->m_features == COMPUTE_TEST_USES_INT16_INT64 || usesInt16(test->m_fromType, test->m_toType))
8580                 {
8581                         extensions.push_back("VK_KHR_16bit_storage");
8582                         vulkanFeatures.ext16BitStorage = EXT16BITSTORAGEFEATURES_UNIFORM_BUFFER_BLOCK;
8583                 }
8584
8585                 createTestsForAllStages(
8586                         test->m_name, defaultColors, defaultColors, fragments, noSpecConstants,
8587                         noPushConstants, resources, noInterfaces, extensions, features, vulkanFeatures, group.get());
8588         }
8589         return group.release();
8590 }
8591
8592 const string getNumberTypeName (const NumberType type)
8593 {
8594         if (type == NUMBERTYPE_INT32)
8595         {
8596                 return "int";
8597         }
8598         else if (type == NUMBERTYPE_UINT32)
8599         {
8600                 return "uint";
8601         }
8602         else if (type == NUMBERTYPE_FLOAT32)
8603         {
8604                 return "float";
8605         }
8606         else
8607         {
8608                 DE_ASSERT(false);
8609                 return "";
8610         }
8611 }
8612
8613 deInt32 getInt(de::Random& rnd)
8614 {
8615         return rnd.getInt(std::numeric_limits<int>::min(), std::numeric_limits<int>::max());
8616 }
8617
8618 const string repeatString (const string& str, int times)
8619 {
8620         string filler;
8621         for (int i = 0; i < times; ++i)
8622         {
8623                 filler += str;
8624         }
8625         return filler;
8626 }
8627
8628 const string getRandomConstantString (const NumberType type, de::Random& rnd)
8629 {
8630         if (type == NUMBERTYPE_INT32)
8631         {
8632                 return numberToString<deInt32>(getInt(rnd));
8633         }
8634         else if (type == NUMBERTYPE_UINT32)
8635         {
8636                 return numberToString<deUint32>(rnd.getUint32());
8637         }
8638         else if (type == NUMBERTYPE_FLOAT32)
8639         {
8640                 return numberToString<float>(rnd.getFloat());
8641         }
8642         else
8643         {
8644                 DE_ASSERT(false);
8645                 return "";
8646         }
8647 }
8648
8649 void createVectorCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8650 {
8651         map<string, string> params;
8652
8653         // Vec2 to Vec4
8654         for (int width = 2; width <= 4; ++width)
8655         {
8656                 const string randomConst = numberToString(getInt(rnd));
8657                 const string widthStr = numberToString(width);
8658                 const string composite_type = "${customType}vec" + widthStr;
8659                 const int index = rnd.getInt(0, width-1);
8660
8661                 params["type"]                  = "vec";
8662                 params["name"]                  = params["type"] + "_" + widthStr;
8663                 params["compositeDecl"]         = composite_type + " = OpTypeVector ${customType} " + widthStr +"\n";
8664                 params["compositeType"]         = composite_type;
8665                 params["filler"]                = string("%filler    = OpConstant ${customType} ") + getRandomConstantString(type, rnd) + "\n";
8666                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct " + composite_type + repeatString(" %filler", width) + "\n";
8667                 params["indexes"]               = numberToString(index);
8668                 testCases.push_back(params);
8669         }
8670 }
8671
8672 void createArrayCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8673 {
8674         const int limit = 10;
8675         map<string, string> params;
8676
8677         for (int width = 2; width <= limit; ++width)
8678         {
8679                 string randomConst = numberToString(getInt(rnd));
8680                 string widthStr = numberToString(width);
8681                 int index = rnd.getInt(0, width-1);
8682
8683                 params["type"]                  = "array";
8684                 params["name"]                  = params["type"] + "_" + widthStr;
8685                 params["compositeDecl"]         = string("%arraywidth = OpConstant %u32 " + widthStr + "\n")
8686                                                                                         +        "%composite = OpTypeArray ${customType} %arraywidth\n";
8687                 params["compositeType"]         = "%composite";
8688                 params["filler"]                = string("%filler    = OpConstant ${customType} ") + getRandomConstantString(type, rnd) + "\n";
8689                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
8690                 params["indexes"]               = numberToString(index);
8691                 testCases.push_back(params);
8692         }
8693 }
8694
8695 void createStructCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8696 {
8697         const int limit = 10;
8698         map<string, string> params;
8699
8700         for (int width = 2; width <= limit; ++width)
8701         {
8702                 string randomConst = numberToString(getInt(rnd));
8703                 int index = rnd.getInt(0, width-1);
8704
8705                 params["type"]                  = "struct";
8706                 params["name"]                  = params["type"] + "_" + numberToString(width);
8707                 params["compositeDecl"]         = "%composite = OpTypeStruct" + repeatString(" ${customType}", width) + "\n";
8708                 params["compositeType"]         = "%composite";
8709                 params["filler"]                = string("%filler    = OpConstant ${customType} ") + getRandomConstantString(type, rnd) + "\n";
8710                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
8711                 params["indexes"]               = numberToString(index);
8712                 testCases.push_back(params);
8713         }
8714 }
8715
8716 void createMatrixCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8717 {
8718         map<string, string> params;
8719
8720         // Vec2 to Vec4
8721         for (int width = 2; width <= 4; ++width)
8722         {
8723                 string widthStr = numberToString(width);
8724
8725                 for (int column = 2 ; column <= 4; ++column)
8726                 {
8727                         int index_0 = rnd.getInt(0, column-1);
8728                         int index_1 = rnd.getInt(0, width-1);
8729                         string columnStr = numberToString(column);
8730
8731                         params["type"]          = "matrix";
8732                         params["name"]          = params["type"] + "_" + widthStr + "x" + columnStr;
8733                         params["compositeDecl"] = string("%vectype   = OpTypeVector ${customType} " + widthStr + "\n")
8734                                                                                                 +        "%composite = OpTypeMatrix %vectype " + columnStr + "\n";
8735                         params["compositeType"] = "%composite";
8736
8737                         params["filler"]        = string("%filler    = OpConstant ${customType} ") + getRandomConstantString(type, rnd) + "\n"
8738                                                                                                 +        "%fillerVec = OpConstantComposite %vectype" + repeatString(" %filler", width) + "\n";
8739
8740                         params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %fillerVec", column) + "\n";
8741                         params["indexes"]       = numberToString(index_0) + " " + numberToString(index_1);
8742                         testCases.push_back(params);
8743                 }
8744         }
8745 }
8746
8747 void createCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8748 {
8749         createVectorCompositeCases(testCases, rnd, type);
8750         createArrayCompositeCases(testCases, rnd, type);
8751         createStructCompositeCases(testCases, rnd, type);
8752         // Matrix only supports float types
8753         if (type == NUMBERTYPE_FLOAT32)
8754         {
8755                 createMatrixCompositeCases(testCases, rnd, type);
8756         }
8757 }
8758
8759 const string getAssemblyTypeDeclaration (const NumberType type)
8760 {
8761         switch (type)
8762         {
8763                 case NUMBERTYPE_INT32:          return "OpTypeInt 32 1";
8764                 case NUMBERTYPE_UINT32:         return "OpTypeInt 32 0";
8765                 case NUMBERTYPE_FLOAT32:        return "OpTypeFloat 32";
8766                 default:                        DE_ASSERT(false); return "";
8767         }
8768 }
8769
8770 const string getAssemblyTypeName (const NumberType type)
8771 {
8772         switch (type)
8773         {
8774                 case NUMBERTYPE_INT32:          return "%i32";
8775                 case NUMBERTYPE_UINT32:         return "%u32";
8776                 case NUMBERTYPE_FLOAT32:        return "%f32";
8777                 default:                        DE_ASSERT(false); return "";
8778         }
8779 }
8780
8781 const string specializeCompositeInsertShaderTemplate (const NumberType type, const map<string, string>& params)
8782 {
8783         map<string, string>     parameters(params);
8784
8785         const string customType = getAssemblyTypeName(type);
8786         map<string, string> substCustomType;
8787         substCustomType["customType"] = customType;
8788         parameters["compositeDecl"] = StringTemplate(parameters.at("compositeDecl")).specialize(substCustomType);
8789         parameters["compositeType"] = StringTemplate(parameters.at("compositeType")).specialize(substCustomType);
8790         parameters["compositeConstruct"] = StringTemplate(parameters.at("compositeConstruct")).specialize(substCustomType);
8791         parameters["filler"] = StringTemplate(parameters.at("filler")).specialize(substCustomType);
8792         parameters["customType"] = customType;
8793         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
8794
8795         if (parameters.at("compositeType") != "%u32vec3")
8796         {
8797                 parameters["u32vec3Decl"] = "%u32vec3   = OpTypeVector %u32 3\n";
8798         }
8799
8800         return StringTemplate(
8801                 "OpCapability Shader\n"
8802                 "OpCapability Matrix\n"
8803                 "OpMemoryModel Logical GLSL450\n"
8804                 "OpEntryPoint GLCompute %main \"main\" %id\n"
8805                 "OpExecutionMode %main LocalSize 1 1 1\n"
8806
8807                 "OpSource GLSL 430\n"
8808                 "OpName %main           \"main\"\n"
8809                 "OpName %id             \"gl_GlobalInvocationID\"\n"
8810
8811                 // Decorators
8812                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
8813                 "OpDecorate %buf BufferBlock\n"
8814                 "OpDecorate %indata DescriptorSet 0\n"
8815                 "OpDecorate %indata Binding 0\n"
8816                 "OpDecorate %outdata DescriptorSet 0\n"
8817                 "OpDecorate %outdata Binding 1\n"
8818                 "OpDecorate %customarr ArrayStride 4\n"
8819                 "${compositeDecorator}"
8820                 "OpMemberDecorate %buf 0 Offset 0\n"
8821
8822                 // General types
8823                 "%void      = OpTypeVoid\n"
8824                 "%voidf     = OpTypeFunction %void\n"
8825                 "%u32       = OpTypeInt 32 0\n"
8826                 "%i32       = OpTypeInt 32 1\n"
8827                 "%f32       = OpTypeFloat 32\n"
8828
8829                 // Composite declaration
8830                 "${compositeDecl}"
8831
8832                 // Constants
8833                 "${filler}"
8834
8835                 "${u32vec3Decl:opt}"
8836                 "%uvec3ptr  = OpTypePointer Input %u32vec3\n"
8837
8838                 // Inherited from custom
8839                 "%customptr = OpTypePointer Uniform ${customType}\n"
8840                 "%customarr = OpTypeRuntimeArray ${customType}\n"
8841                 "%buf       = OpTypeStruct %customarr\n"
8842                 "%bufptr    = OpTypePointer Uniform %buf\n"
8843
8844                 "%indata    = OpVariable %bufptr Uniform\n"
8845                 "%outdata   = OpVariable %bufptr Uniform\n"
8846
8847                 "%id        = OpVariable %uvec3ptr Input\n"
8848                 "%zero      = OpConstant %i32 0\n"
8849
8850                 "%main      = OpFunction %void None %voidf\n"
8851                 "%label     = OpLabel\n"
8852                 "%idval     = OpLoad %u32vec3 %id\n"
8853                 "%x         = OpCompositeExtract %u32 %idval 0\n"
8854
8855                 "%inloc     = OpAccessChain %customptr %indata %zero %x\n"
8856                 "%outloc    = OpAccessChain %customptr %outdata %zero %x\n"
8857                 // Read the input value
8858                 "%inval     = OpLoad ${customType} %inloc\n"
8859                 // Create the composite and fill it
8860                 "${compositeConstruct}"
8861                 // Insert the input value to a place
8862                 "%instance2 = OpCompositeInsert ${compositeType} %inval %instance ${indexes}\n"
8863                 // Read back the value from the position
8864                 "%out_val   = OpCompositeExtract ${customType} %instance2 ${indexes}\n"
8865                 // Store it in the output position
8866                 "             OpStore %outloc %out_val\n"
8867                 "             OpReturn\n"
8868                 "             OpFunctionEnd\n"
8869         ).specialize(parameters);
8870 }
8871
8872 template<typename T>
8873 BufferSp createCompositeBuffer(T number)
8874 {
8875         return BufferSp(new Buffer<T>(vector<T>(1, number)));
8876 }
8877
8878 tcu::TestCaseGroup* createOpCompositeInsertGroup (tcu::TestContext& testCtx)
8879 {
8880         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "opcompositeinsert", "Test the OpCompositeInsert instruction"));
8881         de::Random                                              rnd             (deStringHash(group->getName()));
8882
8883         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
8884         {
8885                 NumberType                                              numberType              = NumberType(type);
8886                 const string                                    typeName                = getNumberTypeName(numberType);
8887                 const string                                    description             = "Test the OpCompositeInsert instruction with " + typeName + "s";
8888                 de::MovePtr<tcu::TestCaseGroup> subGroup                (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
8889                 vector<map<string, string> >    testCases;
8890
8891                 createCompositeCases(testCases, rnd, numberType);
8892
8893                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8894                 {
8895                         ComputeShaderSpec       spec;
8896
8897                         spec.assembly = specializeCompositeInsertShaderTemplate(numberType, *test);
8898
8899                         switch (numberType)
8900                         {
8901                                 case NUMBERTYPE_INT32:
8902                                 {
8903                                         deInt32 number = getInt(rnd);
8904                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
8905                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
8906                                         break;
8907                                 }
8908                                 case NUMBERTYPE_UINT32:
8909                                 {
8910                                         deUint32 number = rnd.getUint32();
8911                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
8912                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
8913                                         break;
8914                                 }
8915                                 case NUMBERTYPE_FLOAT32:
8916                                 {
8917                                         float number = rnd.getFloat();
8918                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
8919                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
8920                                         break;
8921                                 }
8922                                 default:
8923                                         DE_ASSERT(false);
8924                         }
8925
8926                         spec.numWorkGroups = IVec3(1, 1, 1);
8927                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpCompositeInsert test", spec));
8928                 }
8929                 group->addChild(subGroup.release());
8930         }
8931         return group.release();
8932 }
8933
8934 struct AssemblyStructInfo
8935 {
8936         AssemblyStructInfo (const deUint32 comp, const deUint32 idx)
8937         : components    (comp)
8938         , index                 (idx)
8939         {}
8940
8941         deUint32 components;
8942         deUint32 index;
8943 };
8944
8945 const string specializeInBoundsShaderTemplate (const NumberType type, const AssemblyStructInfo& structInfo, const map<string, string>& params)
8946 {
8947         // Create the full index string
8948         string                          fullIndex       = numberToString(structInfo.index) + " " + params.at("indexes");
8949         // Convert it to list of indexes
8950         vector<string>          indexes         = de::splitString(fullIndex, ' ');
8951
8952         map<string, string>     parameters      (params);
8953         parameters["structType"]        = repeatString(" ${compositeType}", structInfo.components);
8954         parameters["structConstruct"]   = repeatString(" %instance", structInfo.components);
8955         parameters["insertIndexes"]     = fullIndex;
8956
8957         // In matrix cases the last two index is the CompositeExtract indexes
8958         const deUint32 extractIndexes = (parameters["type"] == "matrix") ? 2 : 1;
8959
8960         // Construct the extractIndex
8961         for (vector<string>::const_iterator index = indexes.end() - extractIndexes; index != indexes.end(); ++index)
8962         {
8963                 parameters["extractIndexes"] += " " + *index;
8964         }
8965
8966         // Remove the last 1 or 2 element depends on matrix case or not
8967         indexes.erase(indexes.end() - extractIndexes, indexes.end());
8968
8969         deUint32 id = 0;
8970         // Generate AccessChain index expressions (except for the last one, because we use ptr to the composite)
8971         for (vector<string>::const_iterator index = indexes.begin(); index != indexes.end(); ++index)
8972         {
8973                 string indexId = "%index_" + numberToString(id++);
8974                 parameters["accessChainConstDeclaration"] += indexId + "   = OpConstant %u32 " + *index + "\n";
8975                 parameters["accessChainIndexes"] += " " + indexId;
8976         }
8977
8978         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
8979
8980         const string customType = getAssemblyTypeName(type);
8981         map<string, string> substCustomType;
8982         substCustomType["customType"] = customType;
8983         parameters["compositeDecl"] = StringTemplate(parameters.at("compositeDecl")).specialize(substCustomType);
8984         parameters["compositeType"] = StringTemplate(parameters.at("compositeType")).specialize(substCustomType);
8985         parameters["compositeConstruct"] = StringTemplate(parameters.at("compositeConstruct")).specialize(substCustomType);
8986         parameters["filler"] = StringTemplate(parameters.at("filler")).specialize(substCustomType);
8987         parameters["customType"] = customType;
8988
8989         const string compositeType = parameters.at("compositeType");
8990         map<string, string> substCompositeType;
8991         substCompositeType["compositeType"] = compositeType;
8992         parameters["structType"] = StringTemplate(parameters.at("structType")).specialize(substCompositeType);
8993         if (compositeType != "%u32vec3")
8994         {
8995                 parameters["u32vec3Decl"] = "%u32vec3   = OpTypeVector %u32 3\n";
8996         }
8997
8998         return StringTemplate(
8999                 "OpCapability Shader\n"
9000                 "OpCapability Matrix\n"
9001                 "OpMemoryModel Logical GLSL450\n"
9002                 "OpEntryPoint GLCompute %main \"main\" %id\n"
9003                 "OpExecutionMode %main LocalSize 1 1 1\n"
9004
9005                 "OpSource GLSL 430\n"
9006                 "OpName %main           \"main\"\n"
9007                 "OpName %id             \"gl_GlobalInvocationID\"\n"
9008                 // Decorators
9009                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
9010                 "OpDecorate %buf BufferBlock\n"
9011                 "OpDecorate %indata DescriptorSet 0\n"
9012                 "OpDecorate %indata Binding 0\n"
9013                 "OpDecorate %outdata DescriptorSet 0\n"
9014                 "OpDecorate %outdata Binding 1\n"
9015                 "OpDecorate %customarr ArrayStride 4\n"
9016                 "${compositeDecorator}"
9017                 "OpMemberDecorate %buf 0 Offset 0\n"
9018                 // General types
9019                 "%void      = OpTypeVoid\n"
9020                 "%voidf     = OpTypeFunction %void\n"
9021                 "%i32       = OpTypeInt 32 1\n"
9022                 "%u32       = OpTypeInt 32 0\n"
9023                 "%f32       = OpTypeFloat 32\n"
9024                 // Custom types
9025                 "${compositeDecl}"
9026                 // %u32vec3 if not already declared in ${compositeDecl}
9027                 "${u32vec3Decl:opt}"
9028                 "%uvec3ptr  = OpTypePointer Input %u32vec3\n"
9029                 // Inherited from composite
9030                 "%composite_p = OpTypePointer Function ${compositeType}\n"
9031                 "%struct_t  = OpTypeStruct${structType}\n"
9032                 "%struct_p  = OpTypePointer Function %struct_t\n"
9033                 // Constants
9034                 "${filler}"
9035                 "${accessChainConstDeclaration}"
9036                 // Inherited from custom
9037                 "%customptr = OpTypePointer Uniform ${customType}\n"
9038                 "%customarr = OpTypeRuntimeArray ${customType}\n"
9039                 "%buf       = OpTypeStruct %customarr\n"
9040                 "%bufptr    = OpTypePointer Uniform %buf\n"
9041                 "%indata    = OpVariable %bufptr Uniform\n"
9042                 "%outdata   = OpVariable %bufptr Uniform\n"
9043
9044                 "%id        = OpVariable %uvec3ptr Input\n"
9045                 "%zero      = OpConstant %u32 0\n"
9046                 "%main      = OpFunction %void None %voidf\n"
9047                 "%label     = OpLabel\n"
9048                 "%struct_v  = OpVariable %struct_p Function\n"
9049                 "%idval     = OpLoad %u32vec3 %id\n"
9050                 "%x         = OpCompositeExtract %u32 %idval 0\n"
9051                 // Create the input/output type
9052                 "%inloc     = OpInBoundsAccessChain %customptr %indata %zero %x\n"
9053                 "%outloc    = OpInBoundsAccessChain %customptr %outdata %zero %x\n"
9054                 // Read the input value
9055                 "%inval     = OpLoad ${customType} %inloc\n"
9056                 // Create the composite and fill it
9057                 "${compositeConstruct}"
9058                 // Create the struct and fill it with the composite
9059                 "%struct    = OpCompositeConstruct %struct_t${structConstruct}\n"
9060                 // Insert the value
9061                 "%comp_obj  = OpCompositeInsert %struct_t %inval %struct ${insertIndexes}\n"
9062                 // Store the object
9063                 "             OpStore %struct_v %comp_obj\n"
9064                 // Get deepest possible composite pointer
9065                 "%inner_ptr = OpInBoundsAccessChain %composite_p %struct_v${accessChainIndexes}\n"
9066                 "%read_obj  = OpLoad ${compositeType} %inner_ptr\n"
9067                 // Read back the stored value
9068                 "%read_val  = OpCompositeExtract ${customType} %read_obj${extractIndexes}\n"
9069                 "             OpStore %outloc %read_val\n"
9070                 "             OpReturn\n"
9071                 "             OpFunctionEnd\n"
9072         ).specialize(parameters);
9073 }
9074
9075 tcu::TestCaseGroup* createOpInBoundsAccessChainGroup (tcu::TestContext& testCtx)
9076 {
9077         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opinboundsaccesschain", "Test the OpInBoundsAccessChain instruction"));
9078         de::Random                                              rnd                             (deStringHash(group->getName()));
9079
9080         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
9081         {
9082                 NumberType                                              numberType      = NumberType(type);
9083                 const string                                    typeName        = getNumberTypeName(numberType);
9084                 const string                                    description     = "Test the OpInBoundsAccessChain instruction with " + typeName + "s";
9085                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
9086
9087                 vector<map<string, string> >    testCases;
9088                 createCompositeCases(testCases, rnd, numberType);
9089
9090                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
9091                 {
9092                         ComputeShaderSpec       spec;
9093
9094                         // Number of components inside of a struct
9095                         deUint32 structComponents = rnd.getInt(2, 8);
9096                         // Component index value
9097                         deUint32 structIndex = rnd.getInt(0, structComponents - 1);
9098                         AssemblyStructInfo structInfo(structComponents, structIndex);
9099
9100                         spec.assembly = specializeInBoundsShaderTemplate(numberType, structInfo, *test);
9101
9102                         switch (numberType)
9103                         {
9104                                 case NUMBERTYPE_INT32:
9105                                 {
9106                                         deInt32 number = getInt(rnd);
9107                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
9108                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
9109                                         break;
9110                                 }
9111                                 case NUMBERTYPE_UINT32:
9112                                 {
9113                                         deUint32 number = rnd.getUint32();
9114                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
9115                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
9116                                         break;
9117                                 }
9118                                 case NUMBERTYPE_FLOAT32:
9119                                 {
9120                                         float number = rnd.getFloat();
9121                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
9122                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
9123                                         break;
9124                                 }
9125                                 default:
9126                                         DE_ASSERT(false);
9127                         }
9128                         spec.numWorkGroups = IVec3(1, 1, 1);
9129                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpInBoundsAccessChain test", spec));
9130                 }
9131                 group->addChild(subGroup.release());
9132         }
9133         return group.release();
9134 }
9135
9136 // If the params missing, uninitialized case
9137 const string specializeDefaultOutputShaderTemplate (const NumberType type, const map<string, string>& params = map<string, string>())
9138 {
9139         map<string, string> parameters(params);
9140
9141         parameters["customType"]        = getAssemblyTypeName(type);
9142
9143         // Declare the const value, and use it in the initializer
9144         if (params.find("constValue") != params.end())
9145         {
9146                 parameters["variableInitializer"]       = " %const";
9147         }
9148         // Uninitialized case
9149         else
9150         {
9151                 parameters["commentDecl"]       = ";";
9152         }
9153
9154         return StringTemplate(
9155                 "OpCapability Shader\n"
9156                 "OpMemoryModel Logical GLSL450\n"
9157                 "OpEntryPoint GLCompute %main \"main\" %id\n"
9158                 "OpExecutionMode %main LocalSize 1 1 1\n"
9159                 "OpSource GLSL 430\n"
9160                 "OpName %main           \"main\"\n"
9161                 "OpName %id             \"gl_GlobalInvocationID\"\n"
9162                 // Decorators
9163                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
9164                 "OpDecorate %indata DescriptorSet 0\n"
9165                 "OpDecorate %indata Binding 0\n"
9166                 "OpDecorate %outdata DescriptorSet 0\n"
9167                 "OpDecorate %outdata Binding 1\n"
9168                 "OpDecorate %in_arr ArrayStride 4\n"
9169                 "OpDecorate %in_buf BufferBlock\n"
9170                 "OpMemberDecorate %in_buf 0 Offset 0\n"
9171                 // Base types
9172                 "%void       = OpTypeVoid\n"
9173                 "%voidf      = OpTypeFunction %void\n"
9174                 "%u32        = OpTypeInt 32 0\n"
9175                 "%i32        = OpTypeInt 32 1\n"
9176                 "%f32        = OpTypeFloat 32\n"
9177                 "%uvec3      = OpTypeVector %u32 3\n"
9178                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
9179                 "${commentDecl:opt}%const      = OpConstant ${customType} ${constValue:opt}\n"
9180                 // Derived types
9181                 "%in_ptr     = OpTypePointer Uniform ${customType}\n"
9182                 "%in_arr     = OpTypeRuntimeArray ${customType}\n"
9183                 "%in_buf     = OpTypeStruct %in_arr\n"
9184                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
9185                 "%indata     = OpVariable %in_bufptr Uniform\n"
9186                 "%outdata    = OpVariable %in_bufptr Uniform\n"
9187                 "%id         = OpVariable %uvec3ptr Input\n"
9188                 "%var_ptr    = OpTypePointer Function ${customType}\n"
9189                 // Constants
9190                 "%zero       = OpConstant %i32 0\n"
9191                 // Main function
9192                 "%main       = OpFunction %void None %voidf\n"
9193                 "%label      = OpLabel\n"
9194                 "%out_var    = OpVariable %var_ptr Function${variableInitializer:opt}\n"
9195                 "%idval      = OpLoad %uvec3 %id\n"
9196                 "%x          = OpCompositeExtract %u32 %idval 0\n"
9197                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
9198                 "%outloc     = OpAccessChain %in_ptr %outdata %zero %x\n"
9199
9200                 "%outval     = OpLoad ${customType} %out_var\n"
9201                 "              OpStore %outloc %outval\n"
9202                 "              OpReturn\n"
9203                 "              OpFunctionEnd\n"
9204         ).specialize(parameters);
9205 }
9206
9207 bool compareFloats (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog& log)
9208 {
9209         DE_ASSERT(outputAllocs.size() != 0);
9210         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
9211
9212         // Use custom epsilon because of the float->string conversion
9213         const float     epsilon = 0.00001f;
9214
9215         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
9216         {
9217                 vector<deUint8> expectedBytes;
9218                 float                   expected;
9219                 float                   actual;
9220
9221                 expectedOutputs[outputNdx].getBytes(expectedBytes);
9222                 memcpy(&expected, &expectedBytes.front(), expectedBytes.size());
9223                 memcpy(&actual, outputAllocs[outputNdx]->getHostPtr(), expectedBytes.size());
9224
9225                 // Test with epsilon
9226                 if (fabs(expected - actual) > epsilon)
9227                 {
9228                         log << TestLog::Message << "Error: The actual and expected values not matching."
9229                                 << " Expected: " << expected << " Actual: " << actual << " Epsilon: " << epsilon << TestLog::EndMessage;
9230                         return false;
9231                 }
9232         }
9233         return true;
9234 }
9235
9236 // Checks if the driver crash with uninitialized cases
9237 bool passthruVerify (const std::vector<Resource>&, const vector<AllocationSp>& outputAllocs, const std::vector<Resource>& expectedOutputs, TestLog&)
9238 {
9239         DE_ASSERT(outputAllocs.size() != 0);
9240         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
9241
9242         // Copy and discard the result.
9243         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
9244         {
9245                 vector<deUint8> expectedBytes;
9246                 expectedOutputs[outputNdx].getBytes(expectedBytes);
9247
9248                 const size_t    width                   = expectedBytes.size();
9249                 vector<char>    data                    (width);
9250
9251                 memcpy(&data[0], outputAllocs[outputNdx]->getHostPtr(), width);
9252         }
9253         return true;
9254 }
9255
9256 tcu::TestCaseGroup* createShaderDefaultOutputGroup (tcu::TestContext& testCtx)
9257 {
9258         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "shader_default_output", "Test shader default output."));
9259         de::Random                                              rnd             (deStringHash(group->getName()));
9260
9261         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
9262         {
9263                 NumberType                                              numberType      = NumberType(type);
9264                 const string                                    typeName        = getNumberTypeName(numberType);
9265                 const string                                    description     = "Test the OpVariable initializer with " + typeName + ".";
9266                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
9267
9268                 // 2 similar subcases (initialized and uninitialized)
9269                 for (int subCase = 0; subCase < 2; ++subCase)
9270                 {
9271                         ComputeShaderSpec spec;
9272                         spec.numWorkGroups = IVec3(1, 1, 1);
9273
9274                         map<string, string>                             params;
9275
9276                         switch (numberType)
9277                         {
9278                                 case NUMBERTYPE_INT32:
9279                                 {
9280                                         deInt32 number = getInt(rnd);
9281                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
9282                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
9283                                         params["constValue"] = numberToString(number);
9284                                         break;
9285                                 }
9286                                 case NUMBERTYPE_UINT32:
9287                                 {
9288                                         deUint32 number = rnd.getUint32();
9289                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
9290                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
9291                                         params["constValue"] = numberToString(number);
9292                                         break;
9293                                 }
9294                                 case NUMBERTYPE_FLOAT32:
9295                                 {
9296                                         float number = rnd.getFloat();
9297                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
9298                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
9299                                         spec.verifyIO = &compareFloats;
9300                                         params["constValue"] = numberToString(number);
9301                                         break;
9302                                 }
9303                                 default:
9304                                         DE_ASSERT(false);
9305                         }
9306
9307                         // Initialized subcase
9308                         if (!subCase)
9309                         {
9310                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType, params);
9311                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "initialized", "OpVariable initializer tests.", spec));
9312                         }
9313                         // Uninitialized subcase
9314                         else
9315                         {
9316                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType);
9317                                 spec.verifyIO = &passthruVerify;
9318                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "uninitialized", "OpVariable initializer tests.", spec));
9319                         }
9320                 }
9321                 group->addChild(subGroup.release());
9322         }
9323         return group.release();
9324 }
9325
9326 tcu::TestCaseGroup* createOpNopTests (tcu::TestContext& testCtx)
9327 {
9328         de::MovePtr<tcu::TestCaseGroup> testGroup (new tcu::TestCaseGroup(testCtx, "opnop", "Test OpNop"));
9329         RGBA                                                    defaultColors[4];
9330         map<string, string>                             opNopFragments;
9331
9332         getDefaultColors(defaultColors);
9333
9334         opNopFragments["testfun"]               =
9335                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
9336                 "%param1 = OpFunctionParameter %v4f32\n"
9337                 "%label_testfun = OpLabel\n"
9338                 "OpNop\n"
9339                 "OpNop\n"
9340                 "OpNop\n"
9341                 "OpNop\n"
9342                 "OpNop\n"
9343                 "OpNop\n"
9344                 "OpNop\n"
9345                 "OpNop\n"
9346                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
9347                 "%b = OpFAdd %f32 %a %a\n"
9348                 "OpNop\n"
9349                 "%c = OpFSub %f32 %b %a\n"
9350                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %c %c_i32_0\n"
9351                 "OpNop\n"
9352                 "OpNop\n"
9353                 "OpReturnValue %ret\n"
9354                 "OpFunctionEnd\n";
9355
9356         createTestsForAllStages("opnop", defaultColors, defaultColors, opNopFragments, testGroup.get());
9357
9358         return testGroup.release();
9359 }
9360
9361 tcu::TestCaseGroup* createOpNameTests (tcu::TestContext& testCtx)
9362 {
9363         de::MovePtr<tcu::TestCaseGroup> testGroup (new tcu::TestCaseGroup(testCtx, "opname","Test OpName"));
9364         RGBA                                                    defaultColors[4];
9365         map<string, string>                             opNameFragments;
9366
9367         getDefaultColors(defaultColors);
9368
9369         opNameFragments["debug"]                =
9370                 "OpName %BP_main \"not_main\"";
9371
9372         opNameFragments["testfun"]              =
9373                 "%test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
9374                 "%param1 = OpFunctionParameter %v4f32\n"
9375                 "%label_func = OpLabel\n"
9376                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
9377                 "%b = OpFAdd %f32 %a %a\n"
9378                 "%c = OpFSub %f32 %b %a\n"
9379                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %c %c_i32_0\n"
9380                 "OpReturnValue %ret\n"
9381                 "OpFunctionEnd\n";
9382
9383         createTestsForAllStages("opname", defaultColors, defaultColors, opNameFragments, testGroup.get());
9384
9385         return testGroup.release();
9386 }
9387
9388 tcu::TestCaseGroup* createInstructionTests (tcu::TestContext& testCtx)
9389 {
9390         const bool testComputePipeline = true;
9391
9392         de::MovePtr<tcu::TestCaseGroup> instructionTests        (new tcu::TestCaseGroup(testCtx, "instruction", "Instructions with special opcodes/operands"));
9393         de::MovePtr<tcu::TestCaseGroup> computeTests            (new tcu::TestCaseGroup(testCtx, "compute", "Compute Instructions with special opcodes/operands"));
9394         de::MovePtr<tcu::TestCaseGroup> graphicsTests           (new tcu::TestCaseGroup(testCtx, "graphics", "Graphics Instructions with special opcodes/operands"));
9395
9396         computeTests->addChild(createSpivVersionCheckTests(testCtx, testComputePipeline));
9397         computeTests->addChild(createLocalSizeGroup(testCtx));
9398         computeTests->addChild(createOpNopGroup(testCtx));
9399         computeTests->addChild(createOpFUnordGroup(testCtx));
9400         computeTests->addChild(createOpAtomicGroup(testCtx, false));
9401         computeTests->addChild(createOpAtomicGroup(testCtx, true));                                     // Using new StorageBuffer decoration
9402         computeTests->addChild(createOpAtomicGroup(testCtx, false, 1024, true));        // Return value validation
9403         computeTests->addChild(createOpLineGroup(testCtx));
9404         computeTests->addChild(createOpModuleProcessedGroup(testCtx));
9405         computeTests->addChild(createOpNoLineGroup(testCtx));
9406         computeTests->addChild(createOpConstantNullGroup(testCtx));
9407         computeTests->addChild(createOpConstantCompositeGroup(testCtx));
9408         computeTests->addChild(createOpConstantUsageGroup(testCtx));
9409         computeTests->addChild(createSpecConstantGroup(testCtx));
9410         computeTests->addChild(createOpSourceGroup(testCtx));
9411         computeTests->addChild(createOpSourceExtensionGroup(testCtx));
9412         computeTests->addChild(createDecorationGroupGroup(testCtx));
9413         computeTests->addChild(createOpPhiGroup(testCtx));
9414         computeTests->addChild(createLoopControlGroup(testCtx));
9415         computeTests->addChild(createFunctionControlGroup(testCtx));
9416         computeTests->addChild(createSelectionControlGroup(testCtx));
9417         computeTests->addChild(createBlockOrderGroup(testCtx));
9418         computeTests->addChild(createMultipleShaderGroup(testCtx));
9419         computeTests->addChild(createMemoryAccessGroup(testCtx));
9420         computeTests->addChild(createOpCopyMemoryGroup(testCtx));
9421         computeTests->addChild(createOpCopyObjectGroup(testCtx));
9422         computeTests->addChild(createNoContractionGroup(testCtx));
9423         computeTests->addChild(createOpUndefGroup(testCtx));
9424         computeTests->addChild(createOpUnreachableGroup(testCtx));
9425         computeTests ->addChild(createOpQuantizeToF16Group(testCtx));
9426         computeTests ->addChild(createOpFRemGroup(testCtx));
9427         computeTests->addChild(createOpSRemComputeGroup(testCtx, QP_TEST_RESULT_PASS));
9428         computeTests->addChild(createOpSRemComputeGroup64(testCtx, QP_TEST_RESULT_PASS));
9429         computeTests->addChild(createOpSModComputeGroup(testCtx, QP_TEST_RESULT_PASS));
9430         computeTests->addChild(createOpSModComputeGroup64(testCtx, QP_TEST_RESULT_PASS));
9431         computeTests->addChild(createConvertComputeTests(testCtx, "OpSConvert", "sconvert"));
9432         computeTests->addChild(createConvertComputeTests(testCtx, "OpUConvert", "uconvert"));
9433         computeTests->addChild(createConvertComputeTests(testCtx, "OpFConvert", "fconvert"));
9434         computeTests->addChild(createOpCompositeInsertGroup(testCtx));
9435         computeTests->addChild(createOpInBoundsAccessChainGroup(testCtx));
9436         computeTests->addChild(createShaderDefaultOutputGroup(testCtx));
9437         computeTests->addChild(createOpNMinGroup(testCtx));
9438         computeTests->addChild(createOpNMaxGroup(testCtx));
9439         computeTests->addChild(createOpNClampGroup(testCtx));
9440         {
9441                 de::MovePtr<tcu::TestCaseGroup> computeAndroidTests     (new tcu::TestCaseGroup(testCtx, "android", "Android CTS Tests"));
9442
9443                 computeAndroidTests->addChild(createOpSRemComputeGroup(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
9444                 computeAndroidTests->addChild(createOpSModComputeGroup(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
9445
9446                 computeTests->addChild(computeAndroidTests.release());
9447         }
9448
9449         computeTests->addChild(create8BitStorageComputeGroup(testCtx));
9450         computeTests->addChild(create16BitStorageComputeGroup(testCtx));
9451         computeTests->addChild(createUboMatrixPaddingComputeGroup(testCtx));
9452         computeTests->addChild(createVariableInitComputeGroup(testCtx));
9453         computeTests->addChild(createConditionalBranchComputeGroup(testCtx));
9454         computeTests->addChild(createIndexingComputeGroup(testCtx));
9455         computeTests->addChild(createVariablePointersComputeGroup(testCtx));
9456         computeTests->addChild(createImageSamplerComputeGroup(testCtx));
9457         computeTests->addChild(createOpNameGroup(testCtx));
9458         computeTests->addChild(createPointerParameterComputeGroup(testCtx));
9459         graphicsTests->addChild(createCrossStageInterfaceTests(testCtx));
9460         graphicsTests->addChild(createSpivVersionCheckTests(testCtx, !testComputePipeline));
9461         graphicsTests->addChild(createOpNopTests(testCtx));
9462         graphicsTests->addChild(createOpSourceTests(testCtx));
9463         graphicsTests->addChild(createOpSourceContinuedTests(testCtx));
9464         graphicsTests->addChild(createOpModuleProcessedTests(testCtx));
9465         graphicsTests->addChild(createOpLineTests(testCtx));
9466         graphicsTests->addChild(createOpNoLineTests(testCtx));
9467         graphicsTests->addChild(createOpConstantNullTests(testCtx));
9468         graphicsTests->addChild(createOpConstantCompositeTests(testCtx));
9469         graphicsTests->addChild(createMemoryAccessTests(testCtx));
9470         graphicsTests->addChild(createOpUndefTests(testCtx));
9471         graphicsTests->addChild(createSelectionBlockOrderTests(testCtx));
9472         graphicsTests->addChild(createModuleTests(testCtx));
9473         graphicsTests->addChild(createSwitchBlockOrderTests(testCtx));
9474         graphicsTests->addChild(createOpPhiTests(testCtx));
9475         graphicsTests->addChild(createNoContractionTests(testCtx));
9476         graphicsTests->addChild(createOpQuantizeTests(testCtx));
9477         graphicsTests->addChild(createLoopTests(testCtx));
9478         graphicsTests->addChild(createSpecConstantTests(testCtx));
9479         graphicsTests->addChild(createSpecConstantOpQuantizeToF16Group(testCtx));
9480         graphicsTests->addChild(createBarrierTests(testCtx));
9481         graphicsTests->addChild(createDecorationGroupTests(testCtx));
9482         graphicsTests->addChild(createFRemTests(testCtx));
9483         graphicsTests->addChild(createOpSRemGraphicsTests(testCtx, QP_TEST_RESULT_PASS));
9484         graphicsTests->addChild(createOpSModGraphicsTests(testCtx, QP_TEST_RESULT_PASS));
9485
9486         {
9487                 de::MovePtr<tcu::TestCaseGroup> graphicsAndroidTests    (new tcu::TestCaseGroup(testCtx, "android", "Android CTS Tests"));
9488
9489                 graphicsAndroidTests->addChild(createOpSRemGraphicsTests(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
9490                 graphicsAndroidTests->addChild(createOpSModGraphicsTests(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
9491
9492                 graphicsTests->addChild(graphicsAndroidTests.release());
9493         }
9494         graphicsTests->addChild(createOpNameTests(testCtx));
9495
9496         graphicsTests->addChild(create8BitStorageGraphicsGroup(testCtx));
9497         graphicsTests->addChild(create16BitStorageGraphicsGroup(testCtx));
9498         graphicsTests->addChild(createUboMatrixPaddingGraphicsGroup(testCtx));
9499         graphicsTests->addChild(createVariableInitGraphicsGroup(testCtx));
9500         graphicsTests->addChild(createConditionalBranchGraphicsGroup(testCtx));
9501         graphicsTests->addChild(createIndexingGraphicsGroup(testCtx));
9502         graphicsTests->addChild(createVariablePointersGraphicsGroup(testCtx));
9503         graphicsTests->addChild(createImageSamplerGraphicsGroup(testCtx));
9504         graphicsTests->addChild(createConvertGraphicsTests(testCtx, "OpSConvert", "sconvert"));
9505         graphicsTests->addChild(createConvertGraphicsTests(testCtx, "OpUConvert", "uconvert"));
9506         graphicsTests->addChild(createConvertGraphicsTests(testCtx, "OpFConvert", "fconvert"));
9507         graphicsTests->addChild(createPointerParameterGraphicsGroup(testCtx));
9508
9509         instructionTests->addChild(computeTests.release());
9510         instructionTests->addChild(graphicsTests.release());
9511
9512         return instructionTests.release();
9513 }
9514
9515 } // SpirVAssembly
9516 } // vkt