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 "vktSpvAsm16bitStorageTests.hpp"
  53 #include "vktSpvAsmUboMatrixPaddingTests.hpp"
  54 #include "vktSpvAsmConditionalBranchTests.hpp"
  55 #include "vktSpvAsmIndexingTests.hpp"
  56 #include "vktSpvAsmComputeShaderCase.hpp"
  57 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  58 #include "vktSpvAsmGraphicsShaderTestUtil.hpp"
  59 #include "vktSpvAsmVariablePointersTests.hpp"
  60 #include "vktSpvAsmSpirvVersionTests.hpp"
  61 #include "vktTestCaseUtil.hpp"
  62 #include "vktSpvAsmLoopDepLenTests.hpp"
  63 #include "vktSpvAsmLoopDepInfTests.hpp"
  64
  65 #include <cmath>
  66 #include <limits>
  67 #include <map>
  68 #include <string>
  69 #include <sstream>
  70 #include <utility>
  71
  72 namespace vkt
  73 {
  74 namespace SpirVAssembly
  75 {
  76
  77 namespace
  78 {
  79
  80 using namespace vk;
  81 using std::map;
  82 using std::string;
  83 using std::vector;
  84 using tcu::IVec3;
  85 using tcu::IVec4;
  86 using tcu::RGBA;
  87 using tcu::TestLog;
  88 using tcu::TestStatus;
  89 using tcu::Vec4;
  90 using de::UniquePtr;
  91 using tcu::StringTemplate;
  92 using tcu::Vec4;
  93
  94 template<typename T>
  95 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, int offset = 0)
  96 {
  97         T* const typedPtr = (T*)dst;
  98         for (int ndx = 0; ndx < numValues; ndx++)
  99                 typedPtr[offset + ndx] = randomScalar<T>(rnd, minValue, maxValue);
 100 }
 101
 102 // Filter is a function that returns true if a value should pass, false otherwise.
 103 template<typename T, typename FilterT>
 104 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, FilterT filter, int offset = 0)
 105 {
 106         T* const typedPtr = (T*)dst;
 107         T value;
 108         for (int ndx = 0; ndx < numValues; ndx++)
 109         {
 110                 do
 111                         value = randomScalar<T>(rnd, minValue, maxValue);
 112                 while (!filter(value));
 113
 114                 typedPtr[offset + ndx] = value;
 115         }
 116 }
 117
 118 // Gets a 64-bit integer with a more logarithmic distribution
 119 deInt64 randomInt64LogDistributed (de::Random& rnd)
 120 {
 121         deInt64 val = rnd.getUint64();
 122         val &= (1ull << rnd.getInt(1, 63)) - 1;
 123         if (rnd.getBool())
 124                 val = -val;
 125         return val;
 126 }
 127
 128 static void fillRandomInt64sLogDistributed (de::Random& rnd, vector<deInt64>& dst, int numValues)
 129 {
 130         for (int ndx = 0; ndx < numValues; ndx++)
 131                 dst[ndx] = randomInt64LogDistributed(rnd);
 132 }
 133
 134 template<typename FilterT>
 135 static void fillRandomInt64sLogDistributed (de::Random& rnd, vector<deInt64>& dst, int numValues, FilterT filter)
 136 {
 137         for (int ndx = 0; ndx < numValues; ndx++)
 138         {
 139                 deInt64 value;
 140                 do {
 141                         value = randomInt64LogDistributed(rnd);
 142                 } while (!filter(value));
 143                 dst[ndx] = value;
 144         }
 145 }
 146
 147 inline bool filterNonNegative (const deInt64 value)
 148 {
 149         return value >= 0;
 150 }
 151
 152 inline bool filterPositive (const deInt64 value)
 153 {
 154         return value > 0;
 155 }
 156
 157 inline bool filterNotZero (const deInt64 value)
 158 {
 159         return value != 0;
 160 }
 161
 162 static void floorAll (vector<float>& values)
 163 {
 164         for (size_t i = 0; i < values.size(); i++)
 165                 values[i] = deFloatFloor(values[i]);
 166 }
 167
 168 static void floorAll (vector<Vec4>& values)
 169 {
 170         for (size_t i = 0; i < values.size(); i++)
 171                 values[i] = floor(values[i]);
 172 }
 173
 174 struct CaseParameter
 175 {
 176         const char*             name;
 177         string                  param;
 178
 179         CaseParameter   (const char* case_, const string& param_) : name(case_), param(param_) {}
 180 };
 181
 182 // Assembly code used for testing OpNop, OpConstant{Null|Composite}, Op[No]Line, OpSource[Continued], OpSourceExtension, OpUndef is based on GLSL source code:
 183 //
 184 // #version 430
 185 //
 186 // layout(std140, set = 0, binding = 0) readonly buffer Input {
 187 //   float elements[];
 188 // } input_data;
 189 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
 190 //   float elements[];
 191 // } output_data;
 192 //
 193 // layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 194 //
 195 // void main() {
 196 //   uint x = gl_GlobalInvocationID.x;
 197 //   output_data.elements[x] = -input_data.elements[x];
 198 // }
 199
 200 tcu::TestCaseGroup* createOpNopGroup (tcu::TestContext& testCtx)
 201 {
 202         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnop", "Test the OpNop instruction"));
 203         ComputeShaderSpec                               spec;
 204         de::Random                                              rnd                             (deStringHash(group->getName()));
 205         const int                                               numElements             = 100;
 206         vector<float>                                   positiveFloats  (numElements, 0);
 207         vector<float>                                   negativeFloats  (numElements, 0);
 208
 209         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 210
 211         for (size_t ndx = 0; ndx < numElements; ++ndx)
 212                 negativeFloats[ndx] = -positiveFloats[ndx];
 213
 214         spec.assembly =
 215                 string(getComputeAsmShaderPreamble()) +
 216
 217                 "OpSource GLSL 430\n"
 218                 "OpName %main           \"main\"\n"
 219                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 220
 221                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 222
 223                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes())
 224
 225                 + string(getComputeAsmInputOutputBuffer()) +
 226
 227                 "%id        = OpVariable %uvec3ptr Input\n"
 228                 "%zero      = OpConstant %i32 0\n"
 229
 230                 "%main      = OpFunction %void None %voidf\n"
 231                 "%label     = OpLabel\n"
 232                 "%idval     = OpLoad %uvec3 %id\n"
 233                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 234
 235                 "             OpNop\n" // Inside a function body
 236
 237                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 238                 "%inval     = OpLoad %f32 %inloc\n"
 239                 "%neg       = OpFNegate %f32 %inval\n"
 240                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 241                 "             OpStore %outloc %neg\n"
 242                 "             OpReturn\n"
 243                 "             OpFunctionEnd\n";
 244         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 245         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 246         spec.numWorkGroups = IVec3(numElements, 1, 1);
 247
 248         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNop appearing at different places", spec));
 249
 250         return group.release();
 251 }
 252
 253 bool compareFUnord (const std::vector<BufferSp>& inputs, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog& log)
 254 {
 255         if (outputAllocs.size() != 1)
 256                 return false;
 257
 258         vector<deUint8> input1Bytes;
 259         vector<deUint8> input2Bytes;
 260         vector<deUint8> expectedBytes;
 261
 262         inputs[0]->getBytes(input1Bytes);
 263         inputs[1]->getBytes(input2Bytes);
 264         expectedOutputs[0]->getBytes(expectedBytes);
 265
 266         const deInt32* const    expectedOutputAsInt             = reinterpret_cast<const deInt32* const>(&expectedBytes.front());
 267         const deInt32* const    outputAsInt                             = static_cast<const deInt32* const>(outputAllocs[0]->getHostPtr());
 268         const float* const              input1AsFloat                   = reinterpret_cast<const float* const>(&input1Bytes.front());
 269         const float* const              input2AsFloat                   = reinterpret_cast<const float* const>(&input2Bytes.front());
 270         bool returnValue                                                                = true;
 271
 272         for (size_t idx = 0; idx < expectedBytes.size() / sizeof(deInt32); ++idx)
 273         {
 274                 if (outputAsInt[idx] != expectedOutputAsInt[idx])
 275                 {
 276                         log << TestLog::Message << "ERROR: Sub-case failed. inputs: " << input1AsFloat[idx] << "," << input2AsFloat[idx] << " output: " << outputAsInt[idx]<< " expected output: " << expectedOutputAsInt[idx] << TestLog::EndMessage;
 277                         returnValue = false;
 278                 }
 279         }
 280         return returnValue;
 281 }
 282
 283 typedef VkBool32 (*compareFuncType) (float, float);
 284
 285 struct OpFUnordCase
 286 {
 287         const char*             name;
 288         const char*             opCode;
 289         compareFuncType compareFunc;
 290
 291                                         OpFUnordCase                    (const char* _name, const char* _opCode, compareFuncType _compareFunc)
 292                                                 : name                          (_name)
 293                                                 , opCode                        (_opCode)
 294                                                 , compareFunc           (_compareFunc) {}
 295 };
 296
 297 #define ADD_OPFUNORD_CASE(NAME, OPCODE, OPERATOR) \
 298 do { \
 299     struct compare_##NAME { static VkBool32 compare(float x, float y) { return (x OPERATOR y) ? VK_TRUE : VK_FALSE; } }; \
 300     cases.push_back(OpFUnordCase(#NAME, OPCODE, compare_##NAME::compare)); \
 301 } while (deGetFalse())
 302
 303 tcu::TestCaseGroup* createOpFUnordGroup (tcu::TestContext& testCtx)
 304 {
 305         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfunord", "Test the OpFUnord* opcodes"));
 306         de::Random                                              rnd                             (deStringHash(group->getName()));
 307         const int                                               numElements             = 100;
 308         vector<OpFUnordCase>                    cases;
 309
 310         const StringTemplate                    shaderTemplate  (
 311
 312                 string(getComputeAsmShaderPreamble()) +
 313
 314                 "OpSource GLSL 430\n"
 315                 "OpName %main           \"main\"\n"
 316                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 317
 318                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 319
 320                 "OpDecorate %buf BufferBlock\n"
 321                 "OpDecorate %buf2 BufferBlock\n"
 322                 "OpDecorate %indata1 DescriptorSet 0\n"
 323                 "OpDecorate %indata1 Binding 0\n"
 324                 "OpDecorate %indata2 DescriptorSet 0\n"
 325                 "OpDecorate %indata2 Binding 1\n"
 326                 "OpDecorate %outdata DescriptorSet 0\n"
 327                 "OpDecorate %outdata Binding 2\n"
 328                 "OpDecorate %f32arr ArrayStride 4\n"
 329                 "OpDecorate %i32arr ArrayStride 4\n"
 330                 "OpMemberDecorate %buf 0 Offset 0\n"
 331                 "OpMemberDecorate %buf2 0 Offset 0\n"
 332
 333                 + string(getComputeAsmCommonTypes()) +
 334
 335                 "%buf        = OpTypeStruct %f32arr\n"
 336                 "%bufptr     = OpTypePointer Uniform %buf\n"
 337                 "%indata1    = OpVariable %bufptr Uniform\n"
 338                 "%indata2    = OpVariable %bufptr Uniform\n"
 339
 340                 "%buf2       = OpTypeStruct %i32arr\n"
 341                 "%buf2ptr    = OpTypePointer Uniform %buf2\n"
 342                 "%outdata    = OpVariable %buf2ptr Uniform\n"
 343
 344                 "%id        = OpVariable %uvec3ptr Input\n"
 345                 "%zero      = OpConstant %i32 0\n"
 346                 "%consti1   = OpConstant %i32 1\n"
 347                 "%constf1   = OpConstant %f32 1.0\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                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 355                 "%inval1    = OpLoad %f32 %inloc1\n"
 356                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 357                 "%inval2    = OpLoad %f32 %inloc2\n"
 358                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
 359
 360                 "%result    = ${OPCODE} %bool %inval1 %inval2\n"
 361                 "%int_res   = OpSelect %i32 %result %consti1 %zero\n"
 362                 "             OpStore %outloc %int_res\n"
 363
 364                 "             OpReturn\n"
 365                 "             OpFunctionEnd\n");
 366
 367         ADD_OPFUNORD_CASE(equal, "OpFUnordEqual", ==);
 368         ADD_OPFUNORD_CASE(less, "OpFUnordLessThan", <);
 369         ADD_OPFUNORD_CASE(lessequal, "OpFUnordLessThanEqual", <=);
 370         ADD_OPFUNORD_CASE(greater, "OpFUnordGreaterThan", >);
 371         ADD_OPFUNORD_CASE(greaterequal, "OpFUnordGreaterThanEqual", >=);
 372         ADD_OPFUNORD_CASE(notequal, "OpFUnordNotEqual", !=);
 373
 374         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 375         {
 376                 map<string, string>                     specializations;
 377                 ComputeShaderSpec                       spec;
 378                 const float                                     NaN                             = std::numeric_limits<float>::quiet_NaN();
 379                 vector<float>                           inputFloats1    (numElements, 0);
 380                 vector<float>                           inputFloats2    (numElements, 0);
 381                 vector<deInt32>                         expectedInts    (numElements, 0);
 382
 383                 specializations["OPCODE"]       = cases[caseNdx].opCode;
 384                 spec.assembly                           = shaderTemplate.specialize(specializations);
 385
 386                 fillRandomScalars(rnd, 1.f, 100.f, &inputFloats1[0], numElements);
 387                 for (size_t ndx = 0; ndx < numElements; ++ndx)
 388                 {
 389                         switch (ndx % 6)
 390                         {
 391                                 case 0:         inputFloats2[ndx] = inputFloats1[ndx] + 1.0f; break;
 392                                 case 1:         inputFloats2[ndx] = inputFloats1[ndx] - 1.0f; break;
 393                                 case 2:         inputFloats2[ndx] = inputFloats1[ndx]; break;
 394                                 case 3:         inputFloats2[ndx] = NaN; break;
 395                                 case 4:         inputFloats2[ndx] = inputFloats1[ndx];  inputFloats1[ndx] = NaN; break;
 396                                 case 5:         inputFloats2[ndx] = NaN;                                inputFloats1[ndx] = NaN; break;
 397                         }
 398                         expectedInts[ndx] = tcu::Float32(inputFloats1[ndx]).isNaN() || tcu::Float32(inputFloats2[ndx]).isNaN() || cases[caseNdx].compareFunc(inputFloats1[ndx], inputFloats2[ndx]);
 399                 }
 400
 401                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 402                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 403                 spec.outputs.push_back(BufferSp(new Int32Buffer(expectedInts)));
 404                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 405                 spec.verifyIO = &compareFUnord;
 406                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 407         }
 408
 409         return group.release();
 410 }
 411
 412 struct OpAtomicCase
 413 {
 414         const char*             name;
 415         const char*             assembly;
 416         OpAtomicType    opAtomic;
 417         deInt32                 numOutputElements;
 418
 419                                         OpAtomicCase                    (const char* _name, const char* _assembly, OpAtomicType _opAtomic, deInt32 _numOutputElements)
 420                                                 : name                          (_name)
 421                                                 , assembly                      (_assembly)
 422                                                 , opAtomic                      (_opAtomic)
 423                                                 , numOutputElements     (_numOutputElements) {}
 424 };
 425
 426 tcu::TestCaseGroup* createOpAtomicGroup (tcu::TestContext& testCtx, bool useStorageBuffer)
 427 {
 428         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx,
 429                                                                                                                                                                 useStorageBuffer ? "opatomic_storage_buffer" : "opatomic",
 430                                                                                                                                                                 "Test the OpAtomic* opcodes"));
 431         const int                                               numElements                     = 65535;
 432         vector<OpAtomicCase>                    cases;
 433
 434         const StringTemplate                    shaderTemplate  (
 435
 436                 string("OpCapability Shader\n") +
 437                 (useStorageBuffer ? "OpExtension \"SPV_KHR_storage_buffer_storage_class\"\n" : "") +
 438                 "OpMemoryModel Logical GLSL450\n"
 439                 "OpEntryPoint GLCompute %main \"main\" %id\n"
 440                 "OpExecutionMode %main LocalSize 1 1 1\n" +
 441
 442                 "OpSource GLSL 430\n"
 443                 "OpName %main           \"main\"\n"
 444                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 445
 446                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 447
 448                 "OpDecorate %buf ${BLOCK_DECORATION}\n"
 449                 "OpDecorate %indata DescriptorSet 0\n"
 450                 "OpDecorate %indata Binding 0\n"
 451                 "OpDecorate %i32arr ArrayStride 4\n"
 452                 "OpMemberDecorate %buf 0 Offset 0\n"
 453
 454                 "OpDecorate %sumbuf ${BLOCK_DECORATION}\n"
 455                 "OpDecorate %sum DescriptorSet 0\n"
 456                 "OpDecorate %sum Binding 1\n"
 457                 "OpMemberDecorate %sumbuf 0 Coherent\n"
 458                 "OpMemberDecorate %sumbuf 0 Offset 0\n"
 459
 460                 + getComputeAsmCommonTypes("${BLOCK_POINTER_TYPE}") +
 461
 462                 "%buf       = OpTypeStruct %i32arr\n"
 463                 "%bufptr    = OpTypePointer ${BLOCK_POINTER_TYPE} %buf\n"
 464                 "%indata    = OpVariable %bufptr ${BLOCK_POINTER_TYPE}\n"
 465
 466                 "%sumbuf    = OpTypeStruct %i32arr\n"
 467                 "%sumbufptr = OpTypePointer ${BLOCK_POINTER_TYPE} %sumbuf\n"
 468                 "%sum       = OpVariable %sumbufptr ${BLOCK_POINTER_TYPE}\n"
 469
 470                 "%id        = OpVariable %uvec3ptr Input\n"
 471                 "%minusone  = OpConstant %i32 -1\n"
 472                 "%zero      = OpConstant %i32 0\n"
 473                 "%one       = OpConstant %u32 1\n"
 474                 "%two       = OpConstant %i32 2\n"
 475
 476                 "%main      = OpFunction %void None %voidf\n"
 477                 "%label     = OpLabel\n"
 478                 "%idval     = OpLoad %uvec3 %id\n"
 479                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 480
 481                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
 482                 "%inval     = OpLoad %i32 %inloc\n"
 483
 484                 "%outloc    = OpAccessChain %i32ptr %sum %zero ${INDEX}\n"
 485                 "${INSTRUCTION}"
 486
 487                 "             OpReturn\n"
 488                 "             OpFunctionEnd\n");
 489
 490         #define ADD_OPATOMIC_CASE(NAME, ASSEMBLY, OPATOMIC, NUM_OUTPUT_ELEMENTS) \
 491         do { \
 492                 DE_STATIC_ASSERT((NUM_OUTPUT_ELEMENTS) == 1 || (NUM_OUTPUT_ELEMENTS) == numElements); \
 493                 cases.push_back(OpAtomicCase(#NAME, ASSEMBLY, OPATOMIC, NUM_OUTPUT_ELEMENTS)); \
 494         } while (deGetFalse())
 495         #define ADD_OPATOMIC_CASE_1(NAME, ASSEMBLY, OPATOMIC) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, OPATOMIC, 1)
 496         #define ADD_OPATOMIC_CASE_N(NAME, ASSEMBLY, OPATOMIC) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, OPATOMIC, numElements)
 497
 498         ADD_OPATOMIC_CASE_1(iadd,       "%unused    = OpAtomicIAdd %i32 %outloc %one %zero %inval\n", OPATOMIC_IADD );
 499         ADD_OPATOMIC_CASE_1(isub,       "%unused    = OpAtomicISub %i32 %outloc %one %zero %inval\n", OPATOMIC_ISUB );
 500         ADD_OPATOMIC_CASE_1(iinc,       "%unused    = OpAtomicIIncrement %i32 %outloc %one %zero\n",  OPATOMIC_IINC );
 501         ADD_OPATOMIC_CASE_1(idec,       "%unused    = OpAtomicIDecrement %i32 %outloc %one %zero\n",  OPATOMIC_IDEC );
 502         ADD_OPATOMIC_CASE_N(load,       "%inval2    = OpAtomicLoad %i32 %inloc %zero %zero\n"
 503                                                                 "             OpStore %outloc %inval2\n",  OPATOMIC_LOAD );
 504         ADD_OPATOMIC_CASE_N(store,      "             OpAtomicStore %outloc %zero %zero %inval\n",  OPATOMIC_STORE );
 505         ADD_OPATOMIC_CASE_N(compex, "%even      = OpSMod %i32 %inval %two\n"
 506                                                                 "             OpStore %outloc %even\n"
 507                                                                 "%unused    = OpAtomicCompareExchange %i32 %outloc %one %zero %zero %minusone %zero\n",  OPATOMIC_COMPEX );
 508
 509         #undef ADD_OPATOMIC_CASE
 510         #undef ADD_OPATOMIC_CASE_1
 511         #undef ADD_OPATOMIC_CASE_N
 512
 513         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 514         {
 515                 map<string, string>                     specializations;
 516                 ComputeShaderSpec                       spec;
 517                 vector<deInt32>                         inputInts               (numElements, 0);
 518                 vector<deInt32>                         expected                (cases[caseNdx].numOutputElements, -1);
 519
 520                 specializations["INDEX"]                                = (cases[caseNdx].numOutputElements == 1) ? "%zero" : "%x";
 521                 specializations["INSTRUCTION"]                  = cases[caseNdx].assembly;
 522                 specializations["BLOCK_DECORATION"]             = useStorageBuffer ? "Block" : "BufferBlock";
 523                 specializations["BLOCK_POINTER_TYPE"]   = useStorageBuffer ? "StorageBuffer" : "Uniform";
 524                 spec.assembly                                                   = shaderTemplate.specialize(specializations);
 525
 526                 if (useStorageBuffer)
 527                         spec.extensions.push_back("VK_KHR_storage_buffer_storage_class");
 528
 529                 spec.inputs.push_back(BufferSp(new OpAtomicBuffer(numElements, cases[caseNdx].numOutputElements, cases[caseNdx].opAtomic, BUFFERTYPE_INPUT)));
 530                 spec.outputs.push_back(BufferSp(new OpAtomicBuffer(numElements, cases[caseNdx].numOutputElements, cases[caseNdx].opAtomic, BUFFERTYPE_EXPECTED)));
 531                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 532                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 533         }
 534
 535         return group.release();
 536 }
 537
 538 tcu::TestCaseGroup* createOpLineGroup (tcu::TestContext& testCtx)
 539 {
 540         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opline", "Test the OpLine instruction"));
 541         ComputeShaderSpec                               spec;
 542         de::Random                                              rnd                             (deStringHash(group->getName()));
 543         const int                                               numElements             = 100;
 544         vector<float>                                   positiveFloats  (numElements, 0);
 545         vector<float>                                   negativeFloats  (numElements, 0);
 546
 547         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 548
 549         for (size_t ndx = 0; ndx < numElements; ++ndx)
 550                 negativeFloats[ndx] = -positiveFloats[ndx];
 551
 552         spec.assembly =
 553                 string(getComputeAsmShaderPreamble()) +
 554
 555                 "%fname1 = OpString \"negateInputs.comp\"\n"
 556                 "%fname2 = OpString \"negateInputs\"\n"
 557
 558                 "OpSource GLSL 430\n"
 559                 "OpName %main           \"main\"\n"
 560                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 561
 562                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 563
 564                 + string(getComputeAsmInputOutputBufferTraits()) +
 565
 566                 "OpLine %fname1 0 0\n" // At the earliest possible position
 567
 568                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 569
 570                 "OpLine %fname1 0 1\n" // Multiple OpLines in sequence
 571                 "OpLine %fname2 1 0\n" // Different filenames
 572                 "OpLine %fname1 1000 100000\n"
 573
 574                 "%id        = OpVariable %uvec3ptr Input\n"
 575                 "%zero      = OpConstant %i32 0\n"
 576
 577                 "OpLine %fname1 1 1\n" // Before a function
 578
 579                 "%main      = OpFunction %void None %voidf\n"
 580                 "%label     = OpLabel\n"
 581
 582                 "OpLine %fname1 1 1\n" // In a function
 583
 584                 "%idval     = OpLoad %uvec3 %id\n"
 585                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 586                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 587                 "%inval     = OpLoad %f32 %inloc\n"
 588                 "%neg       = OpFNegate %f32 %inval\n"
 589                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 590                 "             OpStore %outloc %neg\n"
 591                 "             OpReturn\n"
 592                 "             OpFunctionEnd\n";
 593         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 594         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 595         spec.numWorkGroups = IVec3(numElements, 1, 1);
 596
 597         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpLine appearing at different places", spec));
 598
 599         return group.release();
 600 }
 601
 602 bool veryfiBinaryShader (const ProgramBinary& binary)
 603 {
 604         const size_t    paternCount                     = 3u;
 605         bool paternsCheck[paternCount]          =
 606         {
 607                 false, false, false
 608         };
 609         const string patersns[paternCount]      =
 610         {
 611                 "VULKAN CTS",
 612                 "Negative values",
 613                 "Date: 2017/09/21"
 614         };
 615         size_t                  paternNdx               = 0u;
 616
 617         for (size_t ndx = 0u; ndx < binary.getSize(); ++ndx)
 618         {
 619                 if (false == paternsCheck[paternNdx] &&
 620                         patersns[paternNdx][0] == static_cast<char>(binary.getBinary()[ndx]) &&
 621                         deMemoryEqual((const char*)&binary.getBinary()[ndx], &patersns[paternNdx][0], patersns[paternNdx].length()))
 622                 {
 623                         paternsCheck[paternNdx]= true;
 624                         paternNdx++;
 625                         if (paternNdx == paternCount)
 626                                 break;
 627                 }
 628         }
 629
 630         for (size_t ndx = 0u; ndx < paternCount; ++ndx)
 631         {
 632                 if (!paternsCheck[ndx])
 633                         return false;
 634         }
 635
 636         return true;
 637 }
 638
 639 tcu::TestCaseGroup* createOpModuleProcessedGroup (tcu::TestContext& testCtx)
 640 {
 641         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opmoduleprocessed", "Test the OpModuleProcessed instruction"));
 642         ComputeShaderSpec                               spec;
 643         de::Random                                              rnd                             (deStringHash(group->getName()));
 644         const int                                               numElements             = 10;
 645         vector<float>                                   positiveFloats  (numElements, 0);
 646         vector<float>                                   negativeFloats  (numElements, 0);
 647
 648         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 649
 650         for (size_t ndx = 0; ndx < numElements; ++ndx)
 651                 negativeFloats[ndx] = -positiveFloats[ndx];
 652
 653         spec.assembly =
 654                 string(getComputeAsmShaderPreamble()) +
 655                 "%fname = OpString \"negateInputs.comp\"\n"
 656
 657                 "OpSource GLSL 430\n"
 658                 "OpName %main           \"main\"\n"
 659                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 660                 "OpModuleProcessed \"VULKAN CTS\"\n"                                    //OpModuleProcessed;
 661                 "OpModuleProcessed \"Negative values\"\n"
 662                 "OpModuleProcessed \"Date: 2017/09/21\"\n"
 663                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 664
 665                 + string(getComputeAsmInputOutputBufferTraits())
 666
 667                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 668
 669                 "OpLine %fname 0 1\n"
 670
 671                 "OpLine %fname 1000 1\n"
 672
 673                 "%id        = OpVariable %uvec3ptr Input\n"
 674                 "%zero      = OpConstant %i32 0\n"
 675                 "%main      = OpFunction %void None %voidf\n"
 676
 677                 "%label     = OpLabel\n"
 678                 "%idval     = OpLoad %uvec3 %id\n"
 679                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 680
 681                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 682                 "%inval     = OpLoad %f32 %inloc\n"
 683                 "%neg       = OpFNegate %f32 %inval\n"
 684                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 685                 "             OpStore %outloc %neg\n"
 686                 "             OpReturn\n"
 687                 "             OpFunctionEnd\n";
 688         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 689         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 690         spec.numWorkGroups = IVec3(numElements, 1, 1);
 691         spec.verifyBinary = veryfiBinaryShader;
 692         spec.spirvVersion = SPIRV_VERSION_1_3;
 693
 694         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpModuleProcessed Tests", spec));
 695
 696         return group.release();
 697 }
 698
 699 tcu::TestCaseGroup* createOpNoLineGroup (tcu::TestContext& testCtx)
 700 {
 701         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnoline", "Test the OpNoLine instruction"));
 702         ComputeShaderSpec                               spec;
 703         de::Random                                              rnd                             (deStringHash(group->getName()));
 704         const int                                               numElements             = 100;
 705         vector<float>                                   positiveFloats  (numElements, 0);
 706         vector<float>                                   negativeFloats  (numElements, 0);
 707
 708         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 709
 710         for (size_t ndx = 0; ndx < numElements; ++ndx)
 711                 negativeFloats[ndx] = -positiveFloats[ndx];
 712
 713         spec.assembly =
 714                 string(getComputeAsmShaderPreamble()) +
 715
 716                 "%fname = OpString \"negateInputs.comp\"\n"
 717
 718                 "OpSource GLSL 430\n"
 719                 "OpName %main           \"main\"\n"
 720                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 721
 722                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 723
 724                 + string(getComputeAsmInputOutputBufferTraits()) +
 725
 726                 "OpNoLine\n" // At the earliest possible position, without preceding OpLine
 727
 728                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 729
 730                 "OpLine %fname 0 1\n"
 731                 "OpNoLine\n" // Immediately following a preceding OpLine
 732
 733                 "OpLine %fname 1000 1\n"
 734
 735                 "%id        = OpVariable %uvec3ptr Input\n"
 736                 "%zero      = OpConstant %i32 0\n"
 737
 738                 "OpNoLine\n" // Contents after the previous OpLine
 739
 740                 "%main      = OpFunction %void None %voidf\n"
 741                 "%label     = OpLabel\n"
 742                 "%idval     = OpLoad %uvec3 %id\n"
 743                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 744
 745                 "OpNoLine\n" // Multiple OpNoLine
 746                 "OpNoLine\n"
 747                 "OpNoLine\n"
 748
 749                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 750                 "%inval     = OpLoad %f32 %inloc\n"
 751                 "%neg       = OpFNegate %f32 %inval\n"
 752                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 753                 "             OpStore %outloc %neg\n"
 754                 "             OpReturn\n"
 755                 "             OpFunctionEnd\n";
 756         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 757         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 758         spec.numWorkGroups = IVec3(numElements, 1, 1);
 759
 760         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNoLine appearing at different places", spec));
 761
 762         return group.release();
 763 }
 764
 765 // Compare instruction for the contraction compute case.
 766 // Returns true if the output is what is expected from the test case.
 767 bool compareNoContractCase(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 768 {
 769         if (outputAllocs.size() != 1)
 770                 return false;
 771
 772         // Only size is needed because we are not comparing the exact values.
 773         size_t byteSize = expectedOutputs[0]->getByteSize();
 774
 775         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
 776
 777         for(size_t i = 0; i < byteSize / sizeof(float); ++i) {
 778                 if (outputAsFloat[i] != 0.f &&
 779                         outputAsFloat[i] != -ldexp(1, -24)) {
 780                         return false;
 781                 }
 782         }
 783
 784         return true;
 785 }
 786
 787 tcu::TestCaseGroup* createNoContractionGroup (tcu::TestContext& testCtx)
 788 {
 789         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
 790         vector<CaseParameter>                   cases;
 791         const int                                               numElements             = 100;
 792         vector<float>                                   inputFloats1    (numElements, 0);
 793         vector<float>                                   inputFloats2    (numElements, 0);
 794         vector<float>                                   outputFloats    (numElements, 0);
 795         const StringTemplate                    shaderTemplate  (
 796                 string(getComputeAsmShaderPreamble()) +
 797
 798                 "OpName %main           \"main\"\n"
 799                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 800
 801                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 802
 803                 "${DECORATION}\n"
 804
 805                 "OpDecorate %buf BufferBlock\n"
 806                 "OpDecorate %indata1 DescriptorSet 0\n"
 807                 "OpDecorate %indata1 Binding 0\n"
 808                 "OpDecorate %indata2 DescriptorSet 0\n"
 809                 "OpDecorate %indata2 Binding 1\n"
 810                 "OpDecorate %outdata DescriptorSet 0\n"
 811                 "OpDecorate %outdata Binding 2\n"
 812                 "OpDecorate %f32arr ArrayStride 4\n"
 813                 "OpMemberDecorate %buf 0 Offset 0\n"
 814
 815                 + string(getComputeAsmCommonTypes()) +
 816
 817                 "%buf        = OpTypeStruct %f32arr\n"
 818                 "%bufptr     = OpTypePointer Uniform %buf\n"
 819                 "%indata1    = OpVariable %bufptr Uniform\n"
 820                 "%indata2    = OpVariable %bufptr Uniform\n"
 821                 "%outdata    = OpVariable %bufptr Uniform\n"
 822
 823                 "%id         = OpVariable %uvec3ptr Input\n"
 824                 "%zero       = OpConstant %i32 0\n"
 825                 "%c_f_m1     = OpConstant %f32 -1.\n"
 826
 827                 "%main       = OpFunction %void None %voidf\n"
 828                 "%label      = OpLabel\n"
 829                 "%idval      = OpLoad %uvec3 %id\n"
 830                 "%x          = OpCompositeExtract %u32 %idval 0\n"
 831                 "%inloc1     = OpAccessChain %f32ptr %indata1 %zero %x\n"
 832                 "%inval1     = OpLoad %f32 %inloc1\n"
 833                 "%inloc2     = OpAccessChain %f32ptr %indata2 %zero %x\n"
 834                 "%inval2     = OpLoad %f32 %inloc2\n"
 835                 "%mul        = OpFMul %f32 %inval1 %inval2\n"
 836                 "%add        = OpFAdd %f32 %mul %c_f_m1\n"
 837                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
 838                 "              OpStore %outloc %add\n"
 839                 "              OpReturn\n"
 840                 "              OpFunctionEnd\n");
 841
 842         cases.push_back(CaseParameter("multiplication", "OpDecorate %mul NoContraction"));
 843         cases.push_back(CaseParameter("addition",               "OpDecorate %add NoContraction"));
 844         cases.push_back(CaseParameter("both",                   "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"));
 845
 846         for (size_t ndx = 0; ndx < numElements; ++ndx)
 847         {
 848                 inputFloats1[ndx]       = 1.f + std::ldexp(1.f, -23); // 1 + 2^-23.
 849                 inputFloats2[ndx]       = 1.f - std::ldexp(1.f, -23); // 1 - 2^-23.
 850                 // Result for (1 + 2^-23) * (1 - 2^-23) - 1. With NoContraction, the multiplication will be
 851                 // conducted separately and the result is rounded to 1, or 0x1.fffffcp-1
 852                 // So the final result will be 0.f or 0x1p-24.
 853                 // If the operation is combined into a precise fused multiply-add, then the result would be
 854                 // 2^-46 (0xa8800000).
 855                 outputFloats[ndx]       = 0.f;
 856         }
 857
 858         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 859         {
 860                 map<string, string>             specializations;
 861                 ComputeShaderSpec               spec;
 862
 863                 specializations["DECORATION"] = cases[caseNdx].param;
 864                 spec.assembly = shaderTemplate.specialize(specializations);
 865                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 866                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 867                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 868                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 869                 // Check against the two possible answers based on rounding mode.
 870                 spec.verifyIO = &compareNoContractCase;
 871
 872                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 873         }
 874         return group.release();
 875 }
 876
 877 bool compareFRem(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 878 {
 879         if (outputAllocs.size() != 1)
 880                 return false;
 881
 882         vector<deUint8> expectedBytes;
 883         expectedOutputs[0]->getBytes(expectedBytes);
 884
 885         const float*    expectedOutputAsFloat   = reinterpret_cast<const float*>(&expectedBytes.front());
 886         const float*    outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
 887
 888         for (size_t idx = 0; idx < expectedBytes.size() / sizeof(float); ++idx)
 889         {
 890                 const float f0 = expectedOutputAsFloat[idx];
 891                 const float f1 = outputAsFloat[idx];
 892                 // \todo relative error needs to be fairly high because FRem may be implemented as
 893                 // (roughly) frac(a/b)*b, so LSB errors can be magnified. But this should be fine for now.
 894                 if (deFloatAbs((f1 - f0) / f0) > 0.02)
 895                         return false;
 896         }
 897
 898         return true;
 899 }
 900
 901 tcu::TestCaseGroup* createOpFRemGroup (tcu::TestContext& testCtx)
 902 {
 903         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfrem", "Test the OpFRem instruction"));
 904         ComputeShaderSpec                               spec;
 905         de::Random                                              rnd                             (deStringHash(group->getName()));
 906         const int                                               numElements             = 200;
 907         vector<float>                                   inputFloats1    (numElements, 0);
 908         vector<float>                                   inputFloats2    (numElements, 0);
 909         vector<float>                                   outputFloats    (numElements, 0);
 910
 911         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
 912         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats2[0], numElements);
 913
 914         for (size_t ndx = 0; ndx < numElements; ++ndx)
 915         {
 916                 // Guard against divisors near zero.
 917                 if (std::fabs(inputFloats2[ndx]) < 1e-3)
 918                         inputFloats2[ndx] = 8.f;
 919
 920                 // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
 921                 outputFloats[ndx] = std::fmod(inputFloats1[ndx], inputFloats2[ndx]);
 922         }
 923
 924         spec.assembly =
 925                 string(getComputeAsmShaderPreamble()) +
 926
 927                 "OpName %main           \"main\"\n"
 928                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 929
 930                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 931
 932                 "OpDecorate %buf BufferBlock\n"
 933                 "OpDecorate %indata1 DescriptorSet 0\n"
 934                 "OpDecorate %indata1 Binding 0\n"
 935                 "OpDecorate %indata2 DescriptorSet 0\n"
 936                 "OpDecorate %indata2 Binding 1\n"
 937                 "OpDecorate %outdata DescriptorSet 0\n"
 938                 "OpDecorate %outdata Binding 2\n"
 939                 "OpDecorate %f32arr ArrayStride 4\n"
 940                 "OpMemberDecorate %buf 0 Offset 0\n"
 941
 942                 + string(getComputeAsmCommonTypes()) +
 943
 944                 "%buf        = OpTypeStruct %f32arr\n"
 945                 "%bufptr     = OpTypePointer Uniform %buf\n"
 946                 "%indata1    = OpVariable %bufptr Uniform\n"
 947                 "%indata2    = OpVariable %bufptr Uniform\n"
 948                 "%outdata    = OpVariable %bufptr Uniform\n"
 949
 950                 "%id        = OpVariable %uvec3ptr Input\n"
 951                 "%zero      = OpConstant %i32 0\n"
 952
 953                 "%main      = OpFunction %void None %voidf\n"
 954                 "%label     = OpLabel\n"
 955                 "%idval     = OpLoad %uvec3 %id\n"
 956                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 957                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 958                 "%inval1    = OpLoad %f32 %inloc1\n"
 959                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 960                 "%inval2    = OpLoad %f32 %inloc2\n"
 961                 "%rem       = OpFRem %f32 %inval1 %inval2\n"
 962                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 963                 "             OpStore %outloc %rem\n"
 964                 "             OpReturn\n"
 965                 "             OpFunctionEnd\n";
 966
 967         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 968         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 969         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 970         spec.numWorkGroups = IVec3(numElements, 1, 1);
 971         spec.verifyIO = &compareFRem;
 972
 973         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
 974
 975         return group.release();
 976 }
 977
 978 bool compareNMin (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 979 {
 980         if (outputAllocs.size() != 1)
 981                 return false;
 982
 983         const BufferSp&                 expectedOutput                  (expectedOutputs[0]);
 984         std::vector<deUint8>    data;
 985         expectedOutput->getBytes(data);
 986
 987         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
 988         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
 989
 990         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float); ++idx)
 991         {
 992                 const float f0 = expectedOutputAsFloat[idx];
 993                 const float f1 = outputAsFloat[idx];
 994
 995                 // For NMin, we accept NaN as output if both inputs were NaN.
 996                 // Otherwise the NaN is the wrong choise, as on architectures that
 997                 // do not handle NaN, those are huge values.
 998                 if (!(tcu::Float32(f1).isNaN() && tcu::Float32(f0).isNaN()) && deFloatAbs(f1 - f0) > 0.00001f)
 999                         return false;
1000         }
1001
1002         return true;
1003 }
1004
1005 tcu::TestCaseGroup* createOpNMinGroup (tcu::TestContext& testCtx)
1006 {
1007         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnmin", "Test the OpNMin instruction"));
1008         ComputeShaderSpec                               spec;
1009         de::Random                                              rnd                             (deStringHash(group->getName()));
1010         const int                                               numElements             = 200;
1011         vector<float>                                   inputFloats1    (numElements, 0);
1012         vector<float>                                   inputFloats2    (numElements, 0);
1013         vector<float>                                   outputFloats    (numElements, 0);
1014
1015         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1016         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1017
1018         // Make the first case a full-NAN case.
1019         inputFloats1[0] = TCU_NAN;
1020         inputFloats2[0] = TCU_NAN;
1021
1022         for (size_t ndx = 0; ndx < numElements; ++ndx)
1023         {
1024                 // By default, pick the smallest
1025                 outputFloats[ndx] = std::min(inputFloats1[ndx], inputFloats2[ndx]);
1026
1027                 // Make half of the cases NaN cases
1028                 if ((ndx & 1) == 0)
1029                 {
1030                         // Alternate between the NaN operand
1031                         if ((ndx & 2) == 0)
1032                         {
1033                                 outputFloats[ndx] = inputFloats2[ndx];
1034                                 inputFloats1[ndx] = TCU_NAN;
1035                         }
1036                         else
1037                         {
1038                                 outputFloats[ndx] = inputFloats1[ndx];
1039                                 inputFloats2[ndx] = TCU_NAN;
1040                         }
1041                 }
1042         }
1043
1044         spec.assembly =
1045                 "OpCapability Shader\n"
1046                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1047                 "OpMemoryModel Logical GLSL450\n"
1048                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1049                 "OpExecutionMode %main LocalSize 1 1 1\n"
1050
1051                 "OpName %main           \"main\"\n"
1052                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1053
1054                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1055
1056                 "OpDecorate %buf BufferBlock\n"
1057                 "OpDecorate %indata1 DescriptorSet 0\n"
1058                 "OpDecorate %indata1 Binding 0\n"
1059                 "OpDecorate %indata2 DescriptorSet 0\n"
1060                 "OpDecorate %indata2 Binding 1\n"
1061                 "OpDecorate %outdata DescriptorSet 0\n"
1062                 "OpDecorate %outdata Binding 2\n"
1063                 "OpDecorate %f32arr ArrayStride 4\n"
1064                 "OpMemberDecorate %buf 0 Offset 0\n"
1065
1066                 + string(getComputeAsmCommonTypes()) +
1067
1068                 "%buf        = OpTypeStruct %f32arr\n"
1069                 "%bufptr     = OpTypePointer Uniform %buf\n"
1070                 "%indata1    = OpVariable %bufptr Uniform\n"
1071                 "%indata2    = OpVariable %bufptr Uniform\n"
1072                 "%outdata    = OpVariable %bufptr Uniform\n"
1073
1074                 "%id        = OpVariable %uvec3ptr Input\n"
1075                 "%zero      = OpConstant %i32 0\n"
1076
1077                 "%main      = OpFunction %void None %voidf\n"
1078                 "%label     = OpLabel\n"
1079                 "%idval     = OpLoad %uvec3 %id\n"
1080                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1081                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1082                 "%inval1    = OpLoad %f32 %inloc1\n"
1083                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1084                 "%inval2    = OpLoad %f32 %inloc2\n"
1085                 "%rem       = OpExtInst %f32 %std450 NMin %inval1 %inval2\n"
1086                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1087                 "             OpStore %outloc %rem\n"
1088                 "             OpReturn\n"
1089                 "             OpFunctionEnd\n";
1090
1091         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1092         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1093         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1094         spec.numWorkGroups = IVec3(numElements, 1, 1);
1095         spec.verifyIO = &compareNMin;
1096
1097         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1098
1099         return group.release();
1100 }
1101
1102 bool compareNMax (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
1103 {
1104         if (outputAllocs.size() != 1)
1105                 return false;
1106
1107         const BufferSp&                 expectedOutput                  = expectedOutputs[0];
1108         std::vector<deUint8>    data;
1109         expectedOutput->getBytes(data);
1110
1111         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
1112         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1113
1114         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float); ++idx)
1115         {
1116                 const float f0 = expectedOutputAsFloat[idx];
1117                 const float f1 = outputAsFloat[idx];
1118
1119                 // For NMax, NaN is considered acceptable result, since in
1120                 // architectures that do not handle NaNs, those are huge values.
1121                 if (!tcu::Float32(f1).isNaN() && deFloatAbs(f1 - f0) > 0.00001f)
1122                         return false;
1123         }
1124
1125         return true;
1126 }
1127
1128 tcu::TestCaseGroup* createOpNMaxGroup (tcu::TestContext& testCtx)
1129 {
1130         de::MovePtr<tcu::TestCaseGroup> group(new tcu::TestCaseGroup(testCtx, "opnmax", "Test the OpNMax instruction"));
1131         ComputeShaderSpec                               spec;
1132         de::Random                                              rnd                             (deStringHash(group->getName()));
1133         const int                                               numElements             = 200;
1134         vector<float>                                   inputFloats1    (numElements, 0);
1135         vector<float>                                   inputFloats2    (numElements, 0);
1136         vector<float>                                   outputFloats    (numElements, 0);
1137
1138         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1139         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1140
1141         // Make the first case a full-NAN case.
1142         inputFloats1[0] = TCU_NAN;
1143         inputFloats2[0] = TCU_NAN;
1144
1145         for (size_t ndx = 0; ndx < numElements; ++ndx)
1146         {
1147                 // By default, pick the biggest
1148                 outputFloats[ndx] = std::max(inputFloats1[ndx], inputFloats2[ndx]);
1149
1150                 // Make half of the cases NaN cases
1151                 if ((ndx & 1) == 0)
1152                 {
1153                         // Alternate between the NaN operand
1154                         if ((ndx & 2) == 0)
1155                         {
1156                                 outputFloats[ndx] = inputFloats2[ndx];
1157                                 inputFloats1[ndx] = TCU_NAN;
1158                         }
1159                         else
1160                         {
1161                                 outputFloats[ndx] = inputFloats1[ndx];
1162                                 inputFloats2[ndx] = TCU_NAN;
1163                         }
1164                 }
1165         }
1166
1167         spec.assembly =
1168                 "OpCapability Shader\n"
1169                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1170                 "OpMemoryModel Logical GLSL450\n"
1171                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1172                 "OpExecutionMode %main LocalSize 1 1 1\n"
1173
1174                 "OpName %main           \"main\"\n"
1175                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1176
1177                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1178
1179                 "OpDecorate %buf BufferBlock\n"
1180                 "OpDecorate %indata1 DescriptorSet 0\n"
1181                 "OpDecorate %indata1 Binding 0\n"
1182                 "OpDecorate %indata2 DescriptorSet 0\n"
1183                 "OpDecorate %indata2 Binding 1\n"
1184                 "OpDecorate %outdata DescriptorSet 0\n"
1185                 "OpDecorate %outdata Binding 2\n"
1186                 "OpDecorate %f32arr ArrayStride 4\n"
1187                 "OpMemberDecorate %buf 0 Offset 0\n"
1188
1189                 + string(getComputeAsmCommonTypes()) +
1190
1191                 "%buf        = OpTypeStruct %f32arr\n"
1192                 "%bufptr     = OpTypePointer Uniform %buf\n"
1193                 "%indata1    = OpVariable %bufptr Uniform\n"
1194                 "%indata2    = OpVariable %bufptr Uniform\n"
1195                 "%outdata    = OpVariable %bufptr Uniform\n"
1196
1197                 "%id        = OpVariable %uvec3ptr Input\n"
1198                 "%zero      = OpConstant %i32 0\n"
1199
1200                 "%main      = OpFunction %void None %voidf\n"
1201                 "%label     = OpLabel\n"
1202                 "%idval     = OpLoad %uvec3 %id\n"
1203                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1204                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1205                 "%inval1    = OpLoad %f32 %inloc1\n"
1206                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1207                 "%inval2    = OpLoad %f32 %inloc2\n"
1208                 "%rem       = OpExtInst %f32 %std450 NMax %inval1 %inval2\n"
1209                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1210                 "             OpStore %outloc %rem\n"
1211                 "             OpReturn\n"
1212                 "             OpFunctionEnd\n";
1213
1214         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1215         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1216         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1217         spec.numWorkGroups = IVec3(numElements, 1, 1);
1218         spec.verifyIO = &compareNMax;
1219
1220         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1221
1222         return group.release();
1223 }
1224
1225 bool compareNClamp (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
1226 {
1227         if (outputAllocs.size() != 1)
1228                 return false;
1229
1230         const BufferSp&                 expectedOutput                  = expectedOutputs[0];
1231         std::vector<deUint8>    data;
1232         expectedOutput->getBytes(data);
1233
1234         const float* const              expectedOutputAsFloat   = reinterpret_cast<const float*>(&data.front());
1235         const float* const              outputAsFloat                   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
1236
1237         for (size_t idx = 0; idx < expectedOutput->getByteSize() / sizeof(float) / 2; ++idx)
1238         {
1239                 const float e0 = expectedOutputAsFloat[idx * 2];
1240                 const float e1 = expectedOutputAsFloat[idx * 2 + 1];
1241                 const float res = outputAsFloat[idx];
1242
1243                 // For NClamp, we have two possible outcomes based on
1244                 // whether NaNs are handled or not.
1245                 // If either min or max value is NaN, the result is undefined,
1246                 // so this test doesn't stress those. If the clamped value is
1247                 // NaN, and NaNs are handled, the result is min; if NaNs are not
1248                 // handled, they are big values that result in max.
1249                 // If all three parameters are NaN, the result should be NaN.
1250                 if (!((tcu::Float32(e0).isNaN() && tcu::Float32(res).isNaN()) ||
1251                          (deFloatAbs(e0 - res) < 0.00001f) ||
1252                          (deFloatAbs(e1 - res) < 0.00001f)))
1253                         return false;
1254         }
1255
1256         return true;
1257 }
1258
1259 tcu::TestCaseGroup* createOpNClampGroup (tcu::TestContext& testCtx)
1260 {
1261         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnclamp", "Test the OpNClamp instruction"));
1262         ComputeShaderSpec                               spec;
1263         de::Random                                              rnd                             (deStringHash(group->getName()));
1264         const int                                               numElements             = 200;
1265         vector<float>                                   inputFloats1    (numElements, 0);
1266         vector<float>                                   inputFloats2    (numElements, 0);
1267         vector<float>                                   inputFloats3    (numElements, 0);
1268         vector<float>                                   outputFloats    (numElements * 2, 0);
1269
1270         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
1271         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats2[0], numElements);
1272         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats3[0], numElements);
1273
1274         for (size_t ndx = 0; ndx < numElements; ++ndx)
1275         {
1276                 // Results are only defined if max value is bigger than min value.
1277                 if (inputFloats2[ndx] > inputFloats3[ndx])
1278                 {
1279                         float t = inputFloats2[ndx];
1280                         inputFloats2[ndx] = inputFloats3[ndx];
1281                         inputFloats3[ndx] = t;
1282                 }
1283
1284                 // By default, do the clamp, setting both possible answers
1285                 float defaultRes = std::min(std::max(inputFloats1[ndx], inputFloats2[ndx]), inputFloats3[ndx]);
1286
1287                 float maxResA = std::max(inputFloats1[ndx], inputFloats2[ndx]);
1288                 float maxResB = maxResA;
1289
1290                 // Alternate between the NaN cases
1291                 if (ndx & 1)
1292                 {
1293                         inputFloats1[ndx] = TCU_NAN;
1294                         // If NaN is handled, the result should be same as the clamp minimum.
1295                         // If NaN is not handled, the result should clamp to the clamp maximum.
1296                         maxResA = inputFloats2[ndx];
1297                         maxResB = inputFloats3[ndx];
1298                 }
1299                 else
1300                 {
1301                         // Not a NaN case - only one legal result.
1302                         maxResA = defaultRes;
1303                         maxResB = defaultRes;
1304                 }
1305
1306                 outputFloats[ndx * 2] = maxResA;
1307                 outputFloats[ndx * 2 + 1] = maxResB;
1308         }
1309
1310         // Make the first case a full-NAN case.
1311         inputFloats1[0] = TCU_NAN;
1312         inputFloats2[0] = TCU_NAN;
1313         inputFloats3[0] = TCU_NAN;
1314         outputFloats[0] = TCU_NAN;
1315         outputFloats[1] = TCU_NAN;
1316
1317         spec.assembly =
1318                 "OpCapability Shader\n"
1319                 "%std450        = OpExtInstImport \"GLSL.std.450\"\n"
1320                 "OpMemoryModel Logical GLSL450\n"
1321                 "OpEntryPoint GLCompute %main \"main\" %id\n"
1322                 "OpExecutionMode %main LocalSize 1 1 1\n"
1323
1324                 "OpName %main           \"main\"\n"
1325                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1326
1327                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1328
1329                 "OpDecorate %buf BufferBlock\n"
1330                 "OpDecorate %indata1 DescriptorSet 0\n"
1331                 "OpDecorate %indata1 Binding 0\n"
1332                 "OpDecorate %indata2 DescriptorSet 0\n"
1333                 "OpDecorate %indata2 Binding 1\n"
1334                 "OpDecorate %indata3 DescriptorSet 0\n"
1335                 "OpDecorate %indata3 Binding 2\n"
1336                 "OpDecorate %outdata DescriptorSet 0\n"
1337                 "OpDecorate %outdata Binding 3\n"
1338                 "OpDecorate %f32arr ArrayStride 4\n"
1339                 "OpMemberDecorate %buf 0 Offset 0\n"
1340
1341                 + string(getComputeAsmCommonTypes()) +
1342
1343                 "%buf        = OpTypeStruct %f32arr\n"
1344                 "%bufptr     = OpTypePointer Uniform %buf\n"
1345                 "%indata1    = OpVariable %bufptr Uniform\n"
1346                 "%indata2    = OpVariable %bufptr Uniform\n"
1347                 "%indata3    = OpVariable %bufptr Uniform\n"
1348                 "%outdata    = OpVariable %bufptr Uniform\n"
1349
1350                 "%id        = OpVariable %uvec3ptr Input\n"
1351                 "%zero      = OpConstant %i32 0\n"
1352
1353                 "%main      = OpFunction %void None %voidf\n"
1354                 "%label     = OpLabel\n"
1355                 "%idval     = OpLoad %uvec3 %id\n"
1356                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1357                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
1358                 "%inval1    = OpLoad %f32 %inloc1\n"
1359                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
1360                 "%inval2    = OpLoad %f32 %inloc2\n"
1361                 "%inloc3    = OpAccessChain %f32ptr %indata3 %zero %x\n"
1362                 "%inval3    = OpLoad %f32 %inloc3\n"
1363                 "%rem       = OpExtInst %f32 %std450 NClamp %inval1 %inval2 %inval3\n"
1364                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1365                 "             OpStore %outloc %rem\n"
1366                 "             OpReturn\n"
1367                 "             OpFunctionEnd\n";
1368
1369         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1370         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1371         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
1372         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1373         spec.numWorkGroups = IVec3(numElements, 1, 1);
1374         spec.verifyIO = &compareNClamp;
1375
1376         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
1377
1378         return group.release();
1379 }
1380
1381 tcu::TestCaseGroup* createOpSRemComputeGroup (tcu::TestContext& testCtx, qpTestResult negFailResult)
1382 {
1383         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsrem", "Test the OpSRem instruction"));
1384         de::Random                                              rnd                             (deStringHash(group->getName()));
1385         const int                                               numElements             = 200;
1386
1387         const struct CaseParams
1388         {
1389                 const char*             name;
1390                 const char*             failMessage;            // customized status message
1391                 qpTestResult    failResult;                     // override status on failure
1392                 int                             op1Min, op1Max;         // operand ranges
1393                 int                             op2Min, op2Max;
1394         } cases[] =
1395         {
1396                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    0,              65536,  0,              100 },
1397                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  -65536, 65536,  -100,   100 },  // see below
1398         };
1399         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1400
1401         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1402         {
1403                 const CaseParams&       params          = cases[caseNdx];
1404                 ComputeShaderSpec       spec;
1405                 vector<deInt32>         inputInts1      (numElements, 0);
1406                 vector<deInt32>         inputInts2      (numElements, 0);
1407                 vector<deInt32>         outputInts      (numElements, 0);
1408
1409                 fillRandomScalars(rnd, params.op1Min, params.op1Max, &inputInts1[0], numElements);
1410                 fillRandomScalars(rnd, params.op2Min, params.op2Max, &inputInts2[0], numElements, filterNotZero);
1411
1412                 for (int ndx = 0; ndx < numElements; ++ndx)
1413                 {
1414                         // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
1415                         outputInts[ndx] = inputInts1[ndx] % inputInts2[ndx];
1416                 }
1417
1418                 spec.assembly =
1419                         string(getComputeAsmShaderPreamble()) +
1420
1421                         "OpName %main           \"main\"\n"
1422                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1423
1424                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1425
1426                         "OpDecorate %buf BufferBlock\n"
1427                         "OpDecorate %indata1 DescriptorSet 0\n"
1428                         "OpDecorate %indata1 Binding 0\n"
1429                         "OpDecorate %indata2 DescriptorSet 0\n"
1430                         "OpDecorate %indata2 Binding 1\n"
1431                         "OpDecorate %outdata DescriptorSet 0\n"
1432                         "OpDecorate %outdata Binding 2\n"
1433                         "OpDecorate %i32arr ArrayStride 4\n"
1434                         "OpMemberDecorate %buf 0 Offset 0\n"
1435
1436                         + string(getComputeAsmCommonTypes()) +
1437
1438                         "%buf        = OpTypeStruct %i32arr\n"
1439                         "%bufptr     = OpTypePointer Uniform %buf\n"
1440                         "%indata1    = OpVariable %bufptr Uniform\n"
1441                         "%indata2    = OpVariable %bufptr Uniform\n"
1442                         "%outdata    = OpVariable %bufptr Uniform\n"
1443
1444                         "%id        = OpVariable %uvec3ptr Input\n"
1445                         "%zero      = OpConstant %i32 0\n"
1446
1447                         "%main      = OpFunction %void None %voidf\n"
1448                         "%label     = OpLabel\n"
1449                         "%idval     = OpLoad %uvec3 %id\n"
1450                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1451                         "%inloc1    = OpAccessChain %i32ptr %indata1 %zero %x\n"
1452                         "%inval1    = OpLoad %i32 %inloc1\n"
1453                         "%inloc2    = OpAccessChain %i32ptr %indata2 %zero %x\n"
1454                         "%inval2    = OpLoad %i32 %inloc2\n"
1455                         "%rem       = OpSRem %i32 %inval1 %inval2\n"
1456                         "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1457                         "             OpStore %outloc %rem\n"
1458                         "             OpReturn\n"
1459                         "             OpFunctionEnd\n";
1460
1461                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts1)));
1462                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts2)));
1463                 spec.outputs.push_back  (BufferSp(new Int32Buffer(outputInts)));
1464                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1465                 spec.failResult                 = params.failResult;
1466                 spec.failMessage                = params.failMessage;
1467
1468                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec));
1469         }
1470
1471         return group.release();
1472 }
1473
1474 tcu::TestCaseGroup* createOpSRemComputeGroup64 (tcu::TestContext& testCtx, qpTestResult negFailResult)
1475 {
1476         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsrem64", "Test the 64-bit OpSRem instruction"));
1477         de::Random                                              rnd                             (deStringHash(group->getName()));
1478         const int                                               numElements             = 200;
1479
1480         const struct CaseParams
1481         {
1482                 const char*             name;
1483                 const char*             failMessage;            // customized status message
1484                 qpTestResult    failResult;                     // override status on failure
1485                 bool                    positive;
1486         } cases[] =
1487         {
1488                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    true },
1489                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  false },        // see below
1490         };
1491         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1492
1493         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1494         {
1495                 const CaseParams&       params          = cases[caseNdx];
1496                 ComputeShaderSpec       spec;
1497                 vector<deInt64>         inputInts1      (numElements, 0);
1498                 vector<deInt64>         inputInts2      (numElements, 0);
1499                 vector<deInt64>         outputInts      (numElements, 0);
1500
1501                 if (params.positive)
1502                 {
1503                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements, filterNonNegative);
1504                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterPositive);
1505                 }
1506                 else
1507                 {
1508                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements);
1509                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterNotZero);
1510                 }
1511
1512                 for (int ndx = 0; ndx < numElements; ++ndx)
1513                 {
1514                         // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
1515                         outputInts[ndx] = inputInts1[ndx] % inputInts2[ndx];
1516                 }
1517
1518                 spec.assembly =
1519                         "OpCapability Int64\n"
1520
1521                         + string(getComputeAsmShaderPreamble()) +
1522
1523                         "OpName %main           \"main\"\n"
1524                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1525
1526                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1527
1528                         "OpDecorate %buf BufferBlock\n"
1529                         "OpDecorate %indata1 DescriptorSet 0\n"
1530                         "OpDecorate %indata1 Binding 0\n"
1531                         "OpDecorate %indata2 DescriptorSet 0\n"
1532                         "OpDecorate %indata2 Binding 1\n"
1533                         "OpDecorate %outdata DescriptorSet 0\n"
1534                         "OpDecorate %outdata Binding 2\n"
1535                         "OpDecorate %i64arr ArrayStride 8\n"
1536                         "OpMemberDecorate %buf 0 Offset 0\n"
1537
1538                         + string(getComputeAsmCommonTypes())
1539                         + string(getComputeAsmCommonInt64Types()) +
1540
1541                         "%buf        = OpTypeStruct %i64arr\n"
1542                         "%bufptr     = OpTypePointer Uniform %buf\n"
1543                         "%indata1    = OpVariable %bufptr Uniform\n"
1544                         "%indata2    = OpVariable %bufptr Uniform\n"
1545                         "%outdata    = OpVariable %bufptr Uniform\n"
1546
1547                         "%id        = OpVariable %uvec3ptr Input\n"
1548                         "%zero      = OpConstant %i64 0\n"
1549
1550                         "%main      = OpFunction %void None %voidf\n"
1551                         "%label     = OpLabel\n"
1552                         "%idval     = OpLoad %uvec3 %id\n"
1553                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1554                         "%inloc1    = OpAccessChain %i64ptr %indata1 %zero %x\n"
1555                         "%inval1    = OpLoad %i64 %inloc1\n"
1556                         "%inloc2    = OpAccessChain %i64ptr %indata2 %zero %x\n"
1557                         "%inval2    = OpLoad %i64 %inloc2\n"
1558                         "%rem       = OpSRem %i64 %inval1 %inval2\n"
1559                         "%outloc    = OpAccessChain %i64ptr %outdata %zero %x\n"
1560                         "             OpStore %outloc %rem\n"
1561                         "             OpReturn\n"
1562                         "             OpFunctionEnd\n";
1563
1564                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts1)));
1565                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts2)));
1566                 spec.outputs.push_back  (BufferSp(new Int64Buffer(outputInts)));
1567                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1568                 spec.failResult                 = params.failResult;
1569                 spec.failMessage                = params.failMessage;
1570
1571                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec, COMPUTE_TEST_USES_INT64));
1572         }
1573
1574         return group.release();
1575 }
1576
1577 tcu::TestCaseGroup* createOpSModComputeGroup (tcu::TestContext& testCtx, qpTestResult negFailResult)
1578 {
1579         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsmod", "Test the OpSMod instruction"));
1580         de::Random                                              rnd                             (deStringHash(group->getName()));
1581         const int                                               numElements             = 200;
1582
1583         const struct CaseParams
1584         {
1585                 const char*             name;
1586                 const char*             failMessage;            // customized status message
1587                 qpTestResult    failResult;                     // override status on failure
1588                 int                             op1Min, op1Max;         // operand ranges
1589                 int                             op2Min, op2Max;
1590         } cases[] =
1591         {
1592                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    0,              65536,  0,              100 },
1593                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  -65536, 65536,  -100,   100 },  // see below
1594         };
1595         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1596
1597         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1598         {
1599                 const CaseParams&       params          = cases[caseNdx];
1600
1601                 ComputeShaderSpec       spec;
1602                 vector<deInt32>         inputInts1      (numElements, 0);
1603                 vector<deInt32>         inputInts2      (numElements, 0);
1604                 vector<deInt32>         outputInts      (numElements, 0);
1605
1606                 fillRandomScalars(rnd, params.op1Min, params.op1Max, &inputInts1[0], numElements);
1607                 fillRandomScalars(rnd, params.op2Min, params.op2Max, &inputInts2[0], numElements, filterNotZero);
1608
1609                 for (int ndx = 0; ndx < numElements; ++ndx)
1610                 {
1611                         deInt32 rem = inputInts1[ndx] % inputInts2[ndx];
1612                         if (rem == 0)
1613                         {
1614                                 outputInts[ndx] = 0;
1615                         }
1616                         else if ((inputInts1[ndx] >= 0) == (inputInts2[ndx] >= 0))
1617                         {
1618                                 // They have the same sign
1619                                 outputInts[ndx] = rem;
1620                         }
1621                         else
1622                         {
1623                                 // They have opposite sign.  The remainder operation takes the
1624                                 // sign inputInts1[ndx] but OpSMod is supposed to take ths sign
1625                                 // of inputInts2[ndx].  Adding inputInts2[ndx] will ensure that
1626                                 // the result has the correct sign and that it is still
1627                                 // congruent to inputInts1[ndx] modulo inputInts2[ndx]
1628                                 //
1629                                 // See also http://mathforum.org/library/drmath/view/52343.html
1630                                 outputInts[ndx] = rem + inputInts2[ndx];
1631                         }
1632                 }
1633
1634                 spec.assembly =
1635                         string(getComputeAsmShaderPreamble()) +
1636
1637                         "OpName %main           \"main\"\n"
1638                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1639
1640                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1641
1642                         "OpDecorate %buf BufferBlock\n"
1643                         "OpDecorate %indata1 DescriptorSet 0\n"
1644                         "OpDecorate %indata1 Binding 0\n"
1645                         "OpDecorate %indata2 DescriptorSet 0\n"
1646                         "OpDecorate %indata2 Binding 1\n"
1647                         "OpDecorate %outdata DescriptorSet 0\n"
1648                         "OpDecorate %outdata Binding 2\n"
1649                         "OpDecorate %i32arr ArrayStride 4\n"
1650                         "OpMemberDecorate %buf 0 Offset 0\n"
1651
1652                         + string(getComputeAsmCommonTypes()) +
1653
1654                         "%buf        = OpTypeStruct %i32arr\n"
1655                         "%bufptr     = OpTypePointer Uniform %buf\n"
1656                         "%indata1    = OpVariable %bufptr Uniform\n"
1657                         "%indata2    = OpVariable %bufptr Uniform\n"
1658                         "%outdata    = OpVariable %bufptr Uniform\n"
1659
1660                         "%id        = OpVariable %uvec3ptr Input\n"
1661                         "%zero      = OpConstant %i32 0\n"
1662
1663                         "%main      = OpFunction %void None %voidf\n"
1664                         "%label     = OpLabel\n"
1665                         "%idval     = OpLoad %uvec3 %id\n"
1666                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1667                         "%inloc1    = OpAccessChain %i32ptr %indata1 %zero %x\n"
1668                         "%inval1    = OpLoad %i32 %inloc1\n"
1669                         "%inloc2    = OpAccessChain %i32ptr %indata2 %zero %x\n"
1670                         "%inval2    = OpLoad %i32 %inloc2\n"
1671                         "%rem       = OpSMod %i32 %inval1 %inval2\n"
1672                         "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1673                         "             OpStore %outloc %rem\n"
1674                         "             OpReturn\n"
1675                         "             OpFunctionEnd\n";
1676
1677                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts1)));
1678                 spec.inputs.push_back   (BufferSp(new Int32Buffer(inputInts2)));
1679                 spec.outputs.push_back  (BufferSp(new Int32Buffer(outputInts)));
1680                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1681                 spec.failResult                 = params.failResult;
1682                 spec.failMessage                = params.failMessage;
1683
1684                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec));
1685         }
1686
1687         return group.release();
1688 }
1689
1690 tcu::TestCaseGroup* createOpSModComputeGroup64 (tcu::TestContext& testCtx, qpTestResult negFailResult)
1691 {
1692         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsmod64", "Test the OpSMod instruction"));
1693         de::Random                                              rnd                             (deStringHash(group->getName()));
1694         const int                                               numElements             = 200;
1695
1696         const struct CaseParams
1697         {
1698                 const char*             name;
1699                 const char*             failMessage;            // customized status message
1700                 qpTestResult    failResult;                     // override status on failure
1701                 bool                    positive;
1702         } cases[] =
1703         {
1704                 { "positive",   "Output doesn't match with expected",                           QP_TEST_RESULT_FAIL,    true },
1705                 { "all",                "Inconsistent results, but within specification",       negFailResult,                  false },        // see below
1706         };
1707         // If either operand is negative the result is undefined. Some implementations may still return correct values.
1708
1709         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
1710         {
1711                 const CaseParams&       params          = cases[caseNdx];
1712
1713                 ComputeShaderSpec       spec;
1714                 vector<deInt64>         inputInts1      (numElements, 0);
1715                 vector<deInt64>         inputInts2      (numElements, 0);
1716                 vector<deInt64>         outputInts      (numElements, 0);
1717
1718
1719                 if (params.positive)
1720                 {
1721                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements, filterNonNegative);
1722                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterPositive);
1723                 }
1724                 else
1725                 {
1726                         fillRandomInt64sLogDistributed(rnd, inputInts1, numElements);
1727                         fillRandomInt64sLogDistributed(rnd, inputInts2, numElements, filterNotZero);
1728                 }
1729
1730                 for (int ndx = 0; ndx < numElements; ++ndx)
1731                 {
1732                         deInt64 rem = inputInts1[ndx] % inputInts2[ndx];
1733                         if (rem == 0)
1734                         {
1735                                 outputInts[ndx] = 0;
1736                         }
1737                         else if ((inputInts1[ndx] >= 0) == (inputInts2[ndx] >= 0))
1738                         {
1739                                 // They have the same sign
1740                                 outputInts[ndx] = rem;
1741                         }
1742                         else
1743                         {
1744                                 // They have opposite sign.  The remainder operation takes the
1745                                 // sign inputInts1[ndx] but OpSMod is supposed to take ths sign
1746                                 // of inputInts2[ndx].  Adding inputInts2[ndx] will ensure that
1747                                 // the result has the correct sign and that it is still
1748                                 // congruent to inputInts1[ndx] modulo inputInts2[ndx]
1749                                 //
1750                                 // See also http://mathforum.org/library/drmath/view/52343.html
1751                                 outputInts[ndx] = rem + inputInts2[ndx];
1752                         }
1753                 }
1754
1755                 spec.assembly =
1756                         "OpCapability Int64\n"
1757
1758                         + string(getComputeAsmShaderPreamble()) +
1759
1760                         "OpName %main           \"main\"\n"
1761                         "OpName %id             \"gl_GlobalInvocationID\"\n"
1762
1763                         "OpDecorate %id BuiltIn GlobalInvocationId\n"
1764
1765                         "OpDecorate %buf BufferBlock\n"
1766                         "OpDecorate %indata1 DescriptorSet 0\n"
1767                         "OpDecorate %indata1 Binding 0\n"
1768                         "OpDecorate %indata2 DescriptorSet 0\n"
1769                         "OpDecorate %indata2 Binding 1\n"
1770                         "OpDecorate %outdata DescriptorSet 0\n"
1771                         "OpDecorate %outdata Binding 2\n"
1772                         "OpDecorate %i64arr ArrayStride 8\n"
1773                         "OpMemberDecorate %buf 0 Offset 0\n"
1774
1775                         + string(getComputeAsmCommonTypes())
1776                         + string(getComputeAsmCommonInt64Types()) +
1777
1778                         "%buf        = OpTypeStruct %i64arr\n"
1779                         "%bufptr     = OpTypePointer Uniform %buf\n"
1780                         "%indata1    = OpVariable %bufptr Uniform\n"
1781                         "%indata2    = OpVariable %bufptr Uniform\n"
1782                         "%outdata    = OpVariable %bufptr Uniform\n"
1783
1784                         "%id        = OpVariable %uvec3ptr Input\n"
1785                         "%zero      = OpConstant %i64 0\n"
1786
1787                         "%main      = OpFunction %void None %voidf\n"
1788                         "%label     = OpLabel\n"
1789                         "%idval     = OpLoad %uvec3 %id\n"
1790                         "%x         = OpCompositeExtract %u32 %idval 0\n"
1791                         "%inloc1    = OpAccessChain %i64ptr %indata1 %zero %x\n"
1792                         "%inval1    = OpLoad %i64 %inloc1\n"
1793                         "%inloc2    = OpAccessChain %i64ptr %indata2 %zero %x\n"
1794                         "%inval2    = OpLoad %i64 %inloc2\n"
1795                         "%rem       = OpSMod %i64 %inval1 %inval2\n"
1796                         "%outloc    = OpAccessChain %i64ptr %outdata %zero %x\n"
1797                         "             OpStore %outloc %rem\n"
1798                         "             OpReturn\n"
1799                         "             OpFunctionEnd\n";
1800
1801                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts1)));
1802                 spec.inputs.push_back   (BufferSp(new Int64Buffer(inputInts2)));
1803                 spec.outputs.push_back  (BufferSp(new Int64Buffer(outputInts)));
1804                 spec.numWorkGroups              = IVec3(numElements, 1, 1);
1805                 spec.failResult                 = params.failResult;
1806                 spec.failMessage                = params.failMessage;
1807
1808                 group->addChild(new SpvAsmComputeShaderCase(testCtx, params.name, "", spec, COMPUTE_TEST_USES_INT64));
1809         }
1810
1811         return group.release();
1812 }
1813
1814 // Copy contents in the input buffer to the output buffer.
1815 tcu::TestCaseGroup* createOpCopyMemoryGroup (tcu::TestContext& testCtx)
1816 {
1817         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopymemory", "Test the OpCopyMemory instruction"));
1818         de::Random                                              rnd                             (deStringHash(group->getName()));
1819         const int                                               numElements             = 100;
1820
1821         // 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.
1822         ComputeShaderSpec                               spec1;
1823         vector<Vec4>                                    inputFloats1    (numElements);
1824         vector<Vec4>                                    outputFloats1   (numElements);
1825
1826         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats1[0], numElements * 4);
1827
1828         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1829         floorAll(inputFloats1);
1830
1831         for (size_t ndx = 0; ndx < numElements; ++ndx)
1832                 outputFloats1[ndx] = inputFloats1[ndx] + Vec4(0.f, 0.5f, 1.5f, 2.5f);
1833
1834         spec1.assembly =
1835                 string(getComputeAsmShaderPreamble()) +
1836
1837                 "OpName %main           \"main\"\n"
1838                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1839
1840                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1841                 "OpDecorate %vec4arr ArrayStride 16\n"
1842
1843                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1844
1845                 "%vec4       = OpTypeVector %f32 4\n"
1846                 "%vec4ptr_u  = OpTypePointer Uniform %vec4\n"
1847                 "%vec4ptr_f  = OpTypePointer Function %vec4\n"
1848                 "%vec4arr    = OpTypeRuntimeArray %vec4\n"
1849                 "%buf        = OpTypeStruct %vec4arr\n"
1850                 "%bufptr     = OpTypePointer Uniform %buf\n"
1851                 "%indata     = OpVariable %bufptr Uniform\n"
1852                 "%outdata    = OpVariable %bufptr Uniform\n"
1853
1854                 "%id         = OpVariable %uvec3ptr Input\n"
1855                 "%zero       = OpConstant %i32 0\n"
1856                 "%c_f_0      = OpConstant %f32 0.\n"
1857                 "%c_f_0_5    = OpConstant %f32 0.5\n"
1858                 "%c_f_1_5    = OpConstant %f32 1.5\n"
1859                 "%c_f_2_5    = OpConstant %f32 2.5\n"
1860                 "%c_vec4     = OpConstantComposite %vec4 %c_f_0 %c_f_0_5 %c_f_1_5 %c_f_2_5\n"
1861
1862                 "%main       = OpFunction %void None %voidf\n"
1863                 "%label      = OpLabel\n"
1864                 "%v_vec4     = OpVariable %vec4ptr_f Function\n"
1865                 "%idval      = OpLoad %uvec3 %id\n"
1866                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1867                 "%inloc      = OpAccessChain %vec4ptr_u %indata %zero %x\n"
1868                 "%outloc     = OpAccessChain %vec4ptr_u %outdata %zero %x\n"
1869                 "              OpCopyMemory %v_vec4 %inloc\n"
1870                 "%v_vec4_val = OpLoad %vec4 %v_vec4\n"
1871                 "%add        = OpFAdd %vec4 %v_vec4_val %c_vec4\n"
1872                 "              OpStore %outloc %add\n"
1873                 "              OpReturn\n"
1874                 "              OpFunctionEnd\n";
1875
1876         spec1.inputs.push_back(BufferSp(new Vec4Buffer(inputFloats1)));
1877         spec1.outputs.push_back(BufferSp(new Vec4Buffer(outputFloats1)));
1878         spec1.numWorkGroups = IVec3(numElements, 1, 1);
1879
1880         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector", "OpCopyMemory elements of vector type", spec1));
1881
1882         // The following case copies a float[100] variable from the input buffer to the output buffer.
1883         ComputeShaderSpec                               spec2;
1884         vector<float>                                   inputFloats2    (numElements);
1885         vector<float>                                   outputFloats2   (numElements);
1886
1887         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats2[0], numElements);
1888
1889         for (size_t ndx = 0; ndx < numElements; ++ndx)
1890                 outputFloats2[ndx] = inputFloats2[ndx];
1891
1892         spec2.assembly =
1893                 string(getComputeAsmShaderPreamble()) +
1894
1895                 "OpName %main           \"main\"\n"
1896                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1897
1898                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1899                 "OpDecorate %f32arr100 ArrayStride 4\n"
1900
1901                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1902
1903                 "%hundred        = OpConstant %u32 100\n"
1904                 "%f32arr100      = OpTypeArray %f32 %hundred\n"
1905                 "%f32arr100ptr_f = OpTypePointer Function %f32arr100\n"
1906                 "%f32arr100ptr_u = OpTypePointer Uniform %f32arr100\n"
1907                 "%buf            = OpTypeStruct %f32arr100\n"
1908                 "%bufptr         = OpTypePointer Uniform %buf\n"
1909                 "%indata         = OpVariable %bufptr Uniform\n"
1910                 "%outdata        = OpVariable %bufptr Uniform\n"
1911
1912                 "%id             = OpVariable %uvec3ptr Input\n"
1913                 "%zero           = OpConstant %i32 0\n"
1914
1915                 "%main           = OpFunction %void None %voidf\n"
1916                 "%label          = OpLabel\n"
1917                 "%var            = OpVariable %f32arr100ptr_f Function\n"
1918                 "%inarr          = OpAccessChain %f32arr100ptr_u %indata %zero\n"
1919                 "%outarr         = OpAccessChain %f32arr100ptr_u %outdata %zero\n"
1920                 "                  OpCopyMemory %var %inarr\n"
1921                 "                  OpCopyMemory %outarr %var\n"
1922                 "                  OpReturn\n"
1923                 "                  OpFunctionEnd\n";
1924
1925         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1926         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
1927         spec2.numWorkGroups = IVec3(1, 1, 1);
1928
1929         group->addChild(new SpvAsmComputeShaderCase(testCtx, "array", "OpCopyMemory elements of array type", spec2));
1930
1931         // The following case copies a struct{vec4, vec4, vec4, vec4} variable from the input buffer to the output buffer.
1932         ComputeShaderSpec                               spec3;
1933         vector<float>                                   inputFloats3    (16);
1934         vector<float>                                   outputFloats3   (16);
1935
1936         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats3[0], 16);
1937
1938         for (size_t ndx = 0; ndx < 16; ++ndx)
1939                 outputFloats3[ndx] = inputFloats3[ndx];
1940
1941         spec3.assembly =
1942                 string(getComputeAsmShaderPreamble()) +
1943
1944                 "OpName %main           \"main\"\n"
1945                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1946
1947                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1948                 "OpMemberDecorate %buf 0 Offset 0\n"
1949                 "OpMemberDecorate %buf 1 Offset 16\n"
1950                 "OpMemberDecorate %buf 2 Offset 32\n"
1951                 "OpMemberDecorate %buf 3 Offset 48\n"
1952
1953                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1954
1955                 "%vec4      = OpTypeVector %f32 4\n"
1956                 "%buf       = OpTypeStruct %vec4 %vec4 %vec4 %vec4\n"
1957                 "%bufptr    = OpTypePointer Uniform %buf\n"
1958                 "%indata    = OpVariable %bufptr Uniform\n"
1959                 "%outdata   = OpVariable %bufptr Uniform\n"
1960                 "%vec4stptr = OpTypePointer Function %buf\n"
1961
1962                 "%id        = OpVariable %uvec3ptr Input\n"
1963                 "%zero      = OpConstant %i32 0\n"
1964
1965                 "%main      = OpFunction %void None %voidf\n"
1966                 "%label     = OpLabel\n"
1967                 "%var       = OpVariable %vec4stptr Function\n"
1968                 "             OpCopyMemory %var %indata\n"
1969                 "             OpCopyMemory %outdata %var\n"
1970                 "             OpReturn\n"
1971                 "             OpFunctionEnd\n";
1972
1973         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
1974         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
1975         spec3.numWorkGroups = IVec3(1, 1, 1);
1976
1977         group->addChild(new SpvAsmComputeShaderCase(testCtx, "struct", "OpCopyMemory elements of struct type", spec3));
1978
1979         // The following case negates multiple float variables from the input buffer and stores the results to the output buffer.
1980         ComputeShaderSpec                               spec4;
1981         vector<float>                                   inputFloats4    (numElements);
1982         vector<float>                                   outputFloats4   (numElements);
1983
1984         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats4[0], numElements);
1985
1986         for (size_t ndx = 0; ndx < numElements; ++ndx)
1987                 outputFloats4[ndx] = -inputFloats4[ndx];
1988
1989         spec4.assembly =
1990                 string(getComputeAsmShaderPreamble()) +
1991
1992                 "OpName %main           \"main\"\n"
1993                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1994
1995                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1996
1997                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
1998
1999                 "%f32ptr_f  = OpTypePointer Function %f32\n"
2000                 "%id        = OpVariable %uvec3ptr Input\n"
2001                 "%zero      = OpConstant %i32 0\n"
2002
2003                 "%main      = OpFunction %void None %voidf\n"
2004                 "%label     = OpLabel\n"
2005                 "%var       = OpVariable %f32ptr_f Function\n"
2006                 "%idval     = OpLoad %uvec3 %id\n"
2007                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2008                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2009                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2010                 "             OpCopyMemory %var %inloc\n"
2011                 "%val       = OpLoad %f32 %var\n"
2012                 "%neg       = OpFNegate %f32 %val\n"
2013                 "             OpStore %outloc %neg\n"
2014                 "             OpReturn\n"
2015                 "             OpFunctionEnd\n";
2016
2017         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
2018         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
2019         spec4.numWorkGroups = IVec3(numElements, 1, 1);
2020
2021         group->addChild(new SpvAsmComputeShaderCase(testCtx, "float", "OpCopyMemory elements of float type", spec4));
2022
2023         return group.release();
2024 }
2025
2026 tcu::TestCaseGroup* createOpCopyObjectGroup (tcu::TestContext& testCtx)
2027 {
2028         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopyobject", "Test the OpCopyObject instruction"));
2029         ComputeShaderSpec                               spec;
2030         de::Random                                              rnd                             (deStringHash(group->getName()));
2031         const int                                               numElements             = 100;
2032         vector<float>                                   inputFloats             (numElements, 0);
2033         vector<float>                                   outputFloats    (numElements, 0);
2034
2035         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
2036
2037         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2038         floorAll(inputFloats);
2039
2040         for (size_t ndx = 0; ndx < numElements; ++ndx)
2041                 outputFloats[ndx] = inputFloats[ndx] + 7.5f;
2042
2043         spec.assembly =
2044                 string(getComputeAsmShaderPreamble()) +
2045
2046                 "OpName %main           \"main\"\n"
2047                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2048
2049                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2050
2051                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2052
2053                 "%fmat     = OpTypeMatrix %fvec3 3\n"
2054                 "%three    = OpConstant %u32 3\n"
2055                 "%farr     = OpTypeArray %f32 %three\n"
2056                 "%fst      = OpTypeStruct %f32 %f32\n"
2057
2058                 + string(getComputeAsmInputOutputBuffer()) +
2059
2060                 "%id            = OpVariable %uvec3ptr Input\n"
2061                 "%zero          = OpConstant %i32 0\n"
2062                 "%c_f           = OpConstant %f32 1.5\n"
2063                 "%c_fvec3       = OpConstantComposite %fvec3 %c_f %c_f %c_f\n"
2064                 "%c_fmat        = OpConstantComposite %fmat %c_fvec3 %c_fvec3 %c_fvec3\n"
2065                 "%c_farr        = OpConstantComposite %farr %c_f %c_f %c_f\n"
2066                 "%c_fst         = OpConstantComposite %fst %c_f %c_f\n"
2067
2068                 "%main          = OpFunction %void None %voidf\n"
2069                 "%label         = OpLabel\n"
2070                 "%c_f_copy      = OpCopyObject %f32   %c_f\n"
2071                 "%c_fvec3_copy  = OpCopyObject %fvec3 %c_fvec3\n"
2072                 "%c_fmat_copy   = OpCopyObject %fmat  %c_fmat\n"
2073                 "%c_farr_copy   = OpCopyObject %farr  %c_farr\n"
2074                 "%c_fst_copy    = OpCopyObject %fst   %c_fst\n"
2075                 "%fvec3_elem    = OpCompositeExtract %f32 %c_fvec3_copy 0\n"
2076                 "%fmat_elem     = OpCompositeExtract %f32 %c_fmat_copy 1 2\n"
2077                 "%farr_elem     = OpCompositeExtract %f32 %c_farr_copy 2\n"
2078                 "%fst_elem      = OpCompositeExtract %f32 %c_fst_copy 1\n"
2079                 // Add up. 1.5 * 5 = 7.5.
2080                 "%add1          = OpFAdd %f32 %c_f_copy %fvec3_elem\n"
2081                 "%add2          = OpFAdd %f32 %add1     %fmat_elem\n"
2082                 "%add3          = OpFAdd %f32 %add2     %farr_elem\n"
2083                 "%add4          = OpFAdd %f32 %add3     %fst_elem\n"
2084
2085                 "%idval         = OpLoad %uvec3 %id\n"
2086                 "%x             = OpCompositeExtract %u32 %idval 0\n"
2087                 "%inloc         = OpAccessChain %f32ptr %indata %zero %x\n"
2088                 "%outloc        = OpAccessChain %f32ptr %outdata %zero %x\n"
2089                 "%inval         = OpLoad %f32 %inloc\n"
2090                 "%add           = OpFAdd %f32 %add4 %inval\n"
2091                 "                 OpStore %outloc %add\n"
2092                 "                 OpReturn\n"
2093                 "                 OpFunctionEnd\n";
2094         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2095         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2096         spec.numWorkGroups = IVec3(numElements, 1, 1);
2097
2098         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "OpCopyObject on different types", spec));
2099
2100         return group.release();
2101 }
2102 // Assembly code used for testing OpUnreachable is based on GLSL source code:
2103 //
2104 // #version 430
2105 //
2106 // layout(std140, set = 0, binding = 0) readonly buffer Input {
2107 //   float elements[];
2108 // } input_data;
2109 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
2110 //   float elements[];
2111 // } output_data;
2112 //
2113 // void not_called_func() {
2114 //   // place OpUnreachable here
2115 // }
2116 //
2117 // uint modulo4(uint val) {
2118 //   switch (val % uint(4)) {
2119 //     case 0:  return 3;
2120 //     case 1:  return 2;
2121 //     case 2:  return 1;
2122 //     case 3:  return 0;
2123 //     default: return 100; // place OpUnreachable here
2124 //   }
2125 // }
2126 //
2127 // uint const5() {
2128 //   return 5;
2129 //   // place OpUnreachable here
2130 // }
2131 //
2132 // void main() {
2133 //   uint x = gl_GlobalInvocationID.x;
2134 //   if (const5() > modulo4(1000)) {
2135 //     output_data.elements[x] = -input_data.elements[x];
2136 //   } else {
2137 //     // place OpUnreachable here
2138 //     output_data.elements[x] = input_data.elements[x];
2139 //   }
2140 // }
2141
2142 tcu::TestCaseGroup* createOpUnreachableGroup (tcu::TestContext& testCtx)
2143 {
2144         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opunreachable", "Test the OpUnreachable instruction"));
2145         ComputeShaderSpec                               spec;
2146         de::Random                                              rnd                             (deStringHash(group->getName()));
2147         const int                                               numElements             = 100;
2148         vector<float>                                   positiveFloats  (numElements, 0);
2149         vector<float>                                   negativeFloats  (numElements, 0);
2150
2151         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2152
2153         for (size_t ndx = 0; ndx < numElements; ++ndx)
2154                 negativeFloats[ndx] = -positiveFloats[ndx];
2155
2156         spec.assembly =
2157                 string(getComputeAsmShaderPreamble()) +
2158
2159                 "OpSource GLSL 430\n"
2160                 "OpName %main            \"main\"\n"
2161                 "OpName %func_not_called_func \"not_called_func(\"\n"
2162                 "OpName %func_modulo4         \"modulo4(u1;\"\n"
2163                 "OpName %func_const5          \"const5(\"\n"
2164                 "OpName %id                   \"gl_GlobalInvocationID\"\n"
2165
2166                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2167
2168                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2169
2170                 "%u32ptr    = OpTypePointer Function %u32\n"
2171                 "%uintfuint = OpTypeFunction %u32 %u32ptr\n"
2172                 "%unitf     = OpTypeFunction %u32\n"
2173
2174                 "%id        = OpVariable %uvec3ptr Input\n"
2175                 "%zero      = OpConstant %u32 0\n"
2176                 "%one       = OpConstant %u32 1\n"
2177                 "%two       = OpConstant %u32 2\n"
2178                 "%three     = OpConstant %u32 3\n"
2179                 "%four      = OpConstant %u32 4\n"
2180                 "%five      = OpConstant %u32 5\n"
2181                 "%hundred   = OpConstant %u32 100\n"
2182                 "%thousand  = OpConstant %u32 1000\n"
2183
2184                 + string(getComputeAsmInputOutputBuffer()) +
2185
2186                 // Main()
2187                 "%main   = OpFunction %void None %voidf\n"
2188                 "%main_entry  = OpLabel\n"
2189                 "%v_thousand  = OpVariable %u32ptr Function %thousand\n"
2190                 "%idval       = OpLoad %uvec3 %id\n"
2191                 "%x           = OpCompositeExtract %u32 %idval 0\n"
2192                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
2193                 "%inval       = OpLoad %f32 %inloc\n"
2194                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
2195                 "%ret_const5  = OpFunctionCall %u32 %func_const5\n"
2196                 "%ret_modulo4 = OpFunctionCall %u32 %func_modulo4 %v_thousand\n"
2197                 "%cmp_gt      = OpUGreaterThan %bool %ret_const5 %ret_modulo4\n"
2198                 "               OpSelectionMerge %if_end None\n"
2199                 "               OpBranchConditional %cmp_gt %if_true %if_false\n"
2200                 "%if_true     = OpLabel\n"
2201                 "%negate      = OpFNegate %f32 %inval\n"
2202                 "               OpStore %outloc %negate\n"
2203                 "               OpBranch %if_end\n"
2204                 "%if_false    = OpLabel\n"
2205                 "               OpUnreachable\n" // Unreachable else branch for if statement
2206                 "%if_end      = OpLabel\n"
2207                 "               OpReturn\n"
2208                 "               OpFunctionEnd\n"
2209
2210                 // not_called_function()
2211                 "%func_not_called_func  = OpFunction %void None %voidf\n"
2212                 "%not_called_func_entry = OpLabel\n"
2213                 "                         OpUnreachable\n" // Unreachable entry block in not called static function
2214                 "                         OpFunctionEnd\n"
2215
2216                 // modulo4()
2217                 "%func_modulo4  = OpFunction %u32 None %uintfuint\n"
2218                 "%valptr        = OpFunctionParameter %u32ptr\n"
2219                 "%modulo4_entry = OpLabel\n"
2220                 "%val           = OpLoad %u32 %valptr\n"
2221                 "%modulo        = OpUMod %u32 %val %four\n"
2222                 "                 OpSelectionMerge %switch_merge None\n"
2223                 "                 OpSwitch %modulo %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
2224                 "%case0         = OpLabel\n"
2225                 "                 OpReturnValue %three\n"
2226                 "%case1         = OpLabel\n"
2227                 "                 OpReturnValue %two\n"
2228                 "%case2         = OpLabel\n"
2229                 "                 OpReturnValue %one\n"
2230                 "%case3         = OpLabel\n"
2231                 "                 OpReturnValue %zero\n"
2232                 "%default       = OpLabel\n"
2233                 "                 OpUnreachable\n" // Unreachable default case for switch statement
2234                 "%switch_merge  = OpLabel\n"
2235                 "                 OpUnreachable\n" // Unreachable merge block for switch statement
2236                 "                 OpFunctionEnd\n"
2237
2238                 // const5()
2239                 "%func_const5  = OpFunction %u32 None %unitf\n"
2240                 "%const5_entry = OpLabel\n"
2241                 "                OpReturnValue %five\n"
2242                 "%unreachable  = OpLabel\n"
2243                 "                OpUnreachable\n" // Unreachable block in function
2244                 "                OpFunctionEnd\n";
2245         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2246         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2247         spec.numWorkGroups = IVec3(numElements, 1, 1);
2248
2249         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpUnreachable appearing at different places", spec));
2250
2251         return group.release();
2252 }
2253
2254 // Assembly code used for testing decoration group is based on GLSL source code:
2255 //
2256 // #version 430
2257 //
2258 // layout(std140, set = 0, binding = 0) readonly buffer Input0 {
2259 //   float elements[];
2260 // } input_data0;
2261 // layout(std140, set = 0, binding = 1) readonly buffer Input1 {
2262 //   float elements[];
2263 // } input_data1;
2264 // layout(std140, set = 0, binding = 2) readonly buffer Input2 {
2265 //   float elements[];
2266 // } input_data2;
2267 // layout(std140, set = 0, binding = 3) readonly buffer Input3 {
2268 //   float elements[];
2269 // } input_data3;
2270 // layout(std140, set = 0, binding = 4) readonly buffer Input4 {
2271 //   float elements[];
2272 // } input_data4;
2273 // layout(std140, set = 0, binding = 5) writeonly buffer Output {
2274 //   float elements[];
2275 // } output_data;
2276 //
2277 // void main() {
2278 //   uint x = gl_GlobalInvocationID.x;
2279 //   output_data.elements[x] = input_data0.elements[x] + input_data1.elements[x] + input_data2.elements[x] + input_data3.elements[x] + input_data4.elements[x];
2280 // }
2281 tcu::TestCaseGroup* createDecorationGroupGroup (tcu::TestContext& testCtx)
2282 {
2283         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "decoration_group", "Test the OpDecorationGroup & OpGroupDecorate instruction"));
2284         ComputeShaderSpec                               spec;
2285         de::Random                                              rnd                             (deStringHash(group->getName()));
2286         const int                                               numElements             = 100;
2287         vector<float>                                   inputFloats0    (numElements, 0);
2288         vector<float>                                   inputFloats1    (numElements, 0);
2289         vector<float>                                   inputFloats2    (numElements, 0);
2290         vector<float>                                   inputFloats3    (numElements, 0);
2291         vector<float>                                   inputFloats4    (numElements, 0);
2292         vector<float>                                   outputFloats    (numElements, 0);
2293
2294         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats0[0], numElements);
2295         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats1[0], numElements);
2296         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats2[0], numElements);
2297         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats3[0], numElements);
2298         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats4[0], numElements);
2299
2300         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2301         floorAll(inputFloats0);
2302         floorAll(inputFloats1);
2303         floorAll(inputFloats2);
2304         floorAll(inputFloats3);
2305         floorAll(inputFloats4);
2306
2307         for (size_t ndx = 0; ndx < numElements; ++ndx)
2308                 outputFloats[ndx] = inputFloats0[ndx] + inputFloats1[ndx] + inputFloats2[ndx] + inputFloats3[ndx] + inputFloats4[ndx];
2309
2310         spec.assembly =
2311                 string(getComputeAsmShaderPreamble()) +
2312
2313                 "OpSource GLSL 430\n"
2314                 "OpName %main \"main\"\n"
2315                 "OpName %id \"gl_GlobalInvocationID\"\n"
2316
2317                 // Not using group decoration on variable.
2318                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2319                 // Not using group decoration on type.
2320                 "OpDecorate %f32arr ArrayStride 4\n"
2321
2322                 "OpDecorate %groups BufferBlock\n"
2323                 "OpDecorate %groupm Offset 0\n"
2324                 "%groups = OpDecorationGroup\n"
2325                 "%groupm = OpDecorationGroup\n"
2326
2327                 // Group decoration on multiple structs.
2328                 "OpGroupDecorate %groups %outbuf %inbuf0 %inbuf1 %inbuf2 %inbuf3 %inbuf4\n"
2329                 // Group decoration on multiple struct members.
2330                 "OpGroupMemberDecorate %groupm %outbuf 0 %inbuf0 0 %inbuf1 0 %inbuf2 0 %inbuf3 0 %inbuf4 0\n"
2331
2332                 "OpDecorate %group1 DescriptorSet 0\n"
2333                 "OpDecorate %group3 DescriptorSet 0\n"
2334                 "OpDecorate %group3 NonWritable\n"
2335                 "OpDecorate %group3 Restrict\n"
2336                 "%group0 = OpDecorationGroup\n"
2337                 "%group1 = OpDecorationGroup\n"
2338                 "%group3 = OpDecorationGroup\n"
2339
2340                 // Applying the same decoration group multiple times.
2341                 "OpGroupDecorate %group1 %outdata\n"
2342                 "OpGroupDecorate %group1 %outdata\n"
2343                 "OpGroupDecorate %group1 %outdata\n"
2344                 "OpDecorate %outdata DescriptorSet 0\n"
2345                 "OpDecorate %outdata Binding 5\n"
2346                 // Applying decoration group containing nothing.
2347                 "OpGroupDecorate %group0 %indata0\n"
2348                 "OpDecorate %indata0 DescriptorSet 0\n"
2349                 "OpDecorate %indata0 Binding 0\n"
2350                 // Applying decoration group containing one decoration.
2351                 "OpGroupDecorate %group1 %indata1\n"
2352                 "OpDecorate %indata1 Binding 1\n"
2353                 // Applying decoration group containing multiple decorations.
2354                 "OpGroupDecorate %group3 %indata2 %indata3\n"
2355                 "OpDecorate %indata2 Binding 2\n"
2356                 "OpDecorate %indata3 Binding 3\n"
2357                 // Applying multiple decoration groups (with overlapping).
2358                 "OpGroupDecorate %group0 %indata4\n"
2359                 "OpGroupDecorate %group1 %indata4\n"
2360                 "OpGroupDecorate %group3 %indata4\n"
2361                 "OpDecorate %indata4 Binding 4\n"
2362
2363                 + string(getComputeAsmCommonTypes()) +
2364
2365                 "%id   = OpVariable %uvec3ptr Input\n"
2366                 "%zero = OpConstant %i32 0\n"
2367
2368                 "%outbuf    = OpTypeStruct %f32arr\n"
2369                 "%outbufptr = OpTypePointer Uniform %outbuf\n"
2370                 "%outdata   = OpVariable %outbufptr Uniform\n"
2371                 "%inbuf0    = OpTypeStruct %f32arr\n"
2372                 "%inbuf0ptr = OpTypePointer Uniform %inbuf0\n"
2373                 "%indata0   = OpVariable %inbuf0ptr Uniform\n"
2374                 "%inbuf1    = OpTypeStruct %f32arr\n"
2375                 "%inbuf1ptr = OpTypePointer Uniform %inbuf1\n"
2376                 "%indata1   = OpVariable %inbuf1ptr Uniform\n"
2377                 "%inbuf2    = OpTypeStruct %f32arr\n"
2378                 "%inbuf2ptr = OpTypePointer Uniform %inbuf2\n"
2379                 "%indata2   = OpVariable %inbuf2ptr Uniform\n"
2380                 "%inbuf3    = OpTypeStruct %f32arr\n"
2381                 "%inbuf3ptr = OpTypePointer Uniform %inbuf3\n"
2382                 "%indata3   = OpVariable %inbuf3ptr Uniform\n"
2383                 "%inbuf4    = OpTypeStruct %f32arr\n"
2384                 "%inbufptr  = OpTypePointer Uniform %inbuf4\n"
2385                 "%indata4   = OpVariable %inbufptr Uniform\n"
2386
2387                 "%main   = OpFunction %void None %voidf\n"
2388                 "%label  = OpLabel\n"
2389                 "%idval  = OpLoad %uvec3 %id\n"
2390                 "%x      = OpCompositeExtract %u32 %idval 0\n"
2391                 "%inloc0 = OpAccessChain %f32ptr %indata0 %zero %x\n"
2392                 "%inloc1 = OpAccessChain %f32ptr %indata1 %zero %x\n"
2393                 "%inloc2 = OpAccessChain %f32ptr %indata2 %zero %x\n"
2394                 "%inloc3 = OpAccessChain %f32ptr %indata3 %zero %x\n"
2395                 "%inloc4 = OpAccessChain %f32ptr %indata4 %zero %x\n"
2396                 "%outloc = OpAccessChain %f32ptr %outdata %zero %x\n"
2397                 "%inval0 = OpLoad %f32 %inloc0\n"
2398                 "%inval1 = OpLoad %f32 %inloc1\n"
2399                 "%inval2 = OpLoad %f32 %inloc2\n"
2400                 "%inval3 = OpLoad %f32 %inloc3\n"
2401                 "%inval4 = OpLoad %f32 %inloc4\n"
2402                 "%add0   = OpFAdd %f32 %inval0 %inval1\n"
2403                 "%add1   = OpFAdd %f32 %add0 %inval2\n"
2404                 "%add2   = OpFAdd %f32 %add1 %inval3\n"
2405                 "%add    = OpFAdd %f32 %add2 %inval4\n"
2406                 "          OpStore %outloc %add\n"
2407                 "          OpReturn\n"
2408                 "          OpFunctionEnd\n";
2409         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats0)));
2410         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
2411         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
2412         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
2413         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
2414         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2415         spec.numWorkGroups = IVec3(numElements, 1, 1);
2416
2417         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "decoration group cases", spec));
2418
2419         return group.release();
2420 }
2421
2422 struct SpecConstantTwoIntCase
2423 {
2424         const char*             caseName;
2425         const char*             scDefinition0;
2426         const char*             scDefinition1;
2427         const char*             scResultType;
2428         const char*             scOperation;
2429         deInt32                 scActualValue0;
2430         deInt32                 scActualValue1;
2431         const char*             resultOperation;
2432         vector<deInt32> expectedOutput;
2433
2434                                         SpecConstantTwoIntCase (const char* name,
2435                                                                                         const char* definition0,
2436                                                                                         const char* definition1,
2437                                                                                         const char* resultType,
2438                                                                                         const char* operation,
2439                                                                                         deInt32 value0,
2440                                                                                         deInt32 value1,
2441                                                                                         const char* resultOp,
2442                                                                                         const vector<deInt32>& output)
2443                                                 : caseName                      (name)
2444                                                 , scDefinition0         (definition0)
2445                                                 , scDefinition1         (definition1)
2446                                                 , scResultType          (resultType)
2447                                                 , scOperation           (operation)
2448                                                 , scActualValue0        (value0)
2449                                                 , scActualValue1        (value1)
2450                                                 , resultOperation       (resultOp)
2451                                                 , expectedOutput        (output) {}
2452 };
2453
2454 tcu::TestCaseGroup* createSpecConstantGroup (tcu::TestContext& testCtx)
2455 {
2456         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
2457         vector<SpecConstantTwoIntCase>  cases;
2458         de::Random                                              rnd                             (deStringHash(group->getName()));
2459         const int                                               numElements             = 100;
2460         vector<deInt32>                                 inputInts               (numElements, 0);
2461         vector<deInt32>                                 outputInts1             (numElements, 0);
2462         vector<deInt32>                                 outputInts2             (numElements, 0);
2463         vector<deInt32>                                 outputInts3             (numElements, 0);
2464         vector<deInt32>                                 outputInts4             (numElements, 0);
2465         const StringTemplate                    shaderTemplate  (
2466                 string(getComputeAsmShaderPreamble()) +
2467
2468                 "OpName %main           \"main\"\n"
2469                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2470
2471                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2472                 "OpDecorate %sc_0  SpecId 0\n"
2473                 "OpDecorate %sc_1  SpecId 1\n"
2474                 "OpDecorate %i32arr ArrayStride 4\n"
2475
2476                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2477
2478                 "%buf     = OpTypeStruct %i32arr\n"
2479                 "%bufptr  = OpTypePointer Uniform %buf\n"
2480                 "%indata    = OpVariable %bufptr Uniform\n"
2481                 "%outdata   = OpVariable %bufptr Uniform\n"
2482
2483                 "%id        = OpVariable %uvec3ptr Input\n"
2484                 "%zero      = OpConstant %i32 0\n"
2485
2486                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
2487                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
2488                 "%sc_final  = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n"
2489
2490                 "%main      = OpFunction %void None %voidf\n"
2491                 "%label     = OpLabel\n"
2492                 "%idval     = OpLoad %uvec3 %id\n"
2493                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2494                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
2495                 "%inval     = OpLoad %i32 %inloc\n"
2496                 "%final     = ${GEN_RESULT}\n"
2497                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
2498                 "             OpStore %outloc %final\n"
2499                 "             OpReturn\n"
2500                 "             OpFunctionEnd\n");
2501
2502         fillRandomScalars(rnd, -65536, 65536, &inputInts[0], numElements);
2503
2504         for (size_t ndx = 0; ndx < numElements; ++ndx)
2505         {
2506                 outputInts1[ndx] = inputInts[ndx] + 42;
2507                 outputInts2[ndx] = inputInts[ndx];
2508                 outputInts3[ndx] = inputInts[ndx] - 11200;
2509                 outputInts4[ndx] = inputInts[ndx] + 1;
2510         }
2511
2512         const char addScToInput[]               = "OpIAdd %i32 %inval %sc_final";
2513         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_final %inval %zero";
2514         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_final %zero %inval";
2515
2516         cases.push_back(SpecConstantTwoIntCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                     62,             -20,    addScToInput,           outputInts1));
2517         cases.push_back(SpecConstantTwoIntCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                     100,    58,             addScToInput,           outputInts1));
2518         cases.push_back(SpecConstantTwoIntCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                     -2,             -21,    addScToInput,           outputInts1));
2519         cases.push_back(SpecConstantTwoIntCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                     -126,   -3,             addScToInput,           outputInts1));
2520         cases.push_back(SpecConstantTwoIntCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                     126,    3,              addScToInput,           outputInts1));
2521         cases.push_back(SpecConstantTwoIntCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
2522         cases.push_back(SpecConstantTwoIntCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
2523         cases.push_back(SpecConstantTwoIntCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                     342,    50,             addScToInput,           outputInts1));
2524         cases.push_back(SpecConstantTwoIntCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                     42,             63,             addScToInput,           outputInts1));
2525         cases.push_back(SpecConstantTwoIntCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                     34,             8,              addScToInput,           outputInts1));
2526         cases.push_back(SpecConstantTwoIntCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                     18,             56,             addScToInput,           outputInts1));
2527         cases.push_back(SpecConstantTwoIntCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
2528         cases.push_back(SpecConstantTwoIntCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
2529         cases.push_back(SpecConstantTwoIntCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                     21,             1,              addScToInput,           outputInts1));
2530         cases.push_back(SpecConstantTwoIntCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                     -20,    -10,    selectTrueUsingSc,      outputInts2));
2531         cases.push_back(SpecConstantTwoIntCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                     10,             20,             selectTrueUsingSc,      outputInts2));
2532         cases.push_back(SpecConstantTwoIntCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
2533         cases.push_back(SpecConstantTwoIntCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                     10,             5,              selectTrueUsingSc,      outputInts2));
2534         cases.push_back(SpecConstantTwoIntCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                     -10,    -10,    selectTrueUsingSc,      outputInts2));
2535         cases.push_back(SpecConstantTwoIntCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                     50,             100,    selectTrueUsingSc,      outputInts2));
2536         cases.push_back(SpecConstantTwoIntCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
2537         cases.push_back(SpecConstantTwoIntCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                     10,             10,             selectTrueUsingSc,      outputInts2));
2538         cases.push_back(SpecConstantTwoIntCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                     42,             24,             selectFalseUsingSc,     outputInts2));
2539         cases.push_back(SpecConstantTwoIntCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
2540         cases.push_back(SpecConstantTwoIntCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
2541         cases.push_back(SpecConstantTwoIntCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
2542         cases.push_back(SpecConstantTwoIntCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
2543         cases.push_back(SpecConstantTwoIntCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                           -42,    0,              addScToInput,           outputInts1));
2544         cases.push_back(SpecConstantTwoIntCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                           -43,    0,              addScToInput,           outputInts1));
2545         cases.push_back(SpecConstantTwoIntCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                           1,              0,              selectFalseUsingSc,     outputInts2));
2546         cases.push_back(SpecConstantTwoIntCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %zero",       1,              42,             addScToInput,           outputInts1));
2547         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
2548
2549         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2550         {
2551                 map<string, string>             specializations;
2552                 ComputeShaderSpec               spec;
2553
2554                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
2555                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
2556                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
2557                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
2558                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
2559
2560                 spec.assembly = shaderTemplate.specialize(specializations);
2561                 spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
2562                 spec.outputs.push_back(BufferSp(new Int32Buffer(cases[caseNdx].expectedOutput)));
2563                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2564                 spec.specConstants.push_back(cases[caseNdx].scActualValue0);
2565                 spec.specConstants.push_back(cases[caseNdx].scActualValue1);
2566
2567                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].caseName, cases[caseNdx].caseName, spec));
2568         }
2569
2570         ComputeShaderSpec                               spec;
2571
2572         spec.assembly =
2573                 string(getComputeAsmShaderPreamble()) +
2574
2575                 "OpName %main           \"main\"\n"
2576                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2577
2578                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2579                 "OpDecorate %sc_0  SpecId 0\n"
2580                 "OpDecorate %sc_1  SpecId 1\n"
2581                 "OpDecorate %sc_2  SpecId 2\n"
2582                 "OpDecorate %i32arr ArrayStride 4\n"
2583
2584                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2585
2586                 "%ivec3       = OpTypeVector %i32 3\n"
2587                 "%buf         = OpTypeStruct %i32arr\n"
2588                 "%bufptr      = OpTypePointer Uniform %buf\n"
2589                 "%indata      = OpVariable %bufptr Uniform\n"
2590                 "%outdata     = OpVariable %bufptr Uniform\n"
2591
2592                 "%id          = OpVariable %uvec3ptr Input\n"
2593                 "%zero        = OpConstant %i32 0\n"
2594                 "%ivec3_0     = OpConstantComposite %ivec3 %zero %zero %zero\n"
2595                 "%vec3_undef  = OpUndef %ivec3\n"
2596
2597                 "%sc_0        = OpSpecConstant %i32 0\n"
2598                 "%sc_1        = OpSpecConstant %i32 0\n"
2599                 "%sc_2        = OpSpecConstant %i32 0\n"
2600                 "%sc_vec3_0   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_0        %ivec3_0     0\n"                                                 // (sc_0, 0, 0)
2601                 "%sc_vec3_1   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_1        %ivec3_0     1\n"                                                 // (0, sc_1, 0)
2602                 "%sc_vec3_2   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_2        %ivec3_0     2\n"                                                 // (0, 0, sc_2)
2603                 "%sc_vec3_0_s = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0   %vec3_undef  0          0xFFFFFFFF 2\n"   // (sc_0, ???,  0)
2604                 "%sc_vec3_1_s = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_1   %vec3_undef  0xFFFFFFFF 1          0\n"   // (???,  sc_1, 0)
2605                 "%sc_vec3_2_s = OpSpecConstantOp %ivec3 VectorShuffle    %vec3_undef  %sc_vec3_2   5          0xFFFFFFFF 5\n"   // (sc_2, ???,  sc_2)
2606                 "%sc_vec3_01  = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0_s %sc_vec3_1_s 1 0 4\n"                                             // (0,    sc_0, sc_1)
2607                 "%sc_vec3_012 = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_01  %sc_vec3_2_s 5 1 2\n"                                             // (sc_2, sc_0, sc_1)
2608                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              0\n"                                                 // sc_2
2609                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              1\n"                                                 // sc_0
2610                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              2\n"                                                 // sc_1
2611                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"                                                              // (sc_2 - sc_0)
2612                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n"                                                              // (sc_2 - sc_0) * sc_1
2613
2614                 "%main      = OpFunction %void None %voidf\n"
2615                 "%label     = OpLabel\n"
2616                 "%idval     = OpLoad %uvec3 %id\n"
2617                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2618                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
2619                 "%inval     = OpLoad %i32 %inloc\n"
2620                 "%final     = OpIAdd %i32 %inval %sc_final\n"
2621                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
2622                 "             OpStore %outloc %final\n"
2623                 "             OpReturn\n"
2624                 "             OpFunctionEnd\n";
2625         spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
2626         spec.outputs.push_back(BufferSp(new Int32Buffer(outputInts3)));
2627         spec.numWorkGroups = IVec3(numElements, 1, 1);
2628         spec.specConstants.push_back(123);
2629         spec.specConstants.push_back(56);
2630         spec.specConstants.push_back(-77);
2631
2632         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector_related", "VectorShuffle, CompositeExtract, & CompositeInsert", spec));
2633
2634         return group.release();
2635 }
2636
2637 string generateConstantDefinitions (int count)
2638 {
2639         std::stringstream       r;
2640         for (int i = 0; i < count; i++)
2641                 r << "%cf" << (i * 10 + 5) << " = OpConstant %f32 " <<(i * 10 + 5) << ".0\n";
2642         return r.str() + string("\n");
2643 }
2644
2645 string generateSwitchCases (int count)
2646 {
2647         std::stringstream       r;
2648         for (int i = 0; i < count; i++)
2649                 r << " " << i << " %case" << i;
2650         return r.str() + string("\n");
2651 }
2652
2653 string generateSwitchTargets (int count)
2654 {
2655         std::stringstream       r;
2656         for (int i = 0; i < count; i++)
2657                 r << "%case" << i << " = OpLabel\n            OpBranch %phi\n";
2658         return r.str() + string("\n");
2659 }
2660
2661 string generateOpPhiParams (int count)
2662 {
2663         std::stringstream       r;
2664         for (int i = 0; i < count; i++)
2665                 r << " %cf" << (i * 10 + 5) << " %case" << i;
2666         return r.str() + string("\n");
2667 }
2668
2669 string generateIntWidth (int value)
2670 {
2671         std::stringstream       r;
2672         r << value;
2673         return r.str();
2674 }
2675
2676 tcu::TestCaseGroup* createOpPhiGroup (tcu::TestContext& testCtx)
2677 {
2678         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
2679         ComputeShaderSpec                               spec1;
2680         ComputeShaderSpec                               spec2;
2681         ComputeShaderSpec                               spec3;
2682         ComputeShaderSpec                               spec4;
2683         de::Random                                              rnd                             (deStringHash(group->getName()));
2684         const int                                               numElements             = 100;
2685         vector<float>                                   inputFloats             (numElements, 0);
2686         vector<float>                                   outputFloats1   (numElements, 0);
2687         vector<float>                                   outputFloats2   (numElements, 0);
2688         vector<float>                                   outputFloats3   (numElements, 0);
2689         vector<float>                                   outputFloats4   (numElements, 0);
2690         const int                                               test4Width              = 1024;
2691
2692         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats[0], numElements);
2693
2694         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2695         floorAll(inputFloats);
2696
2697         for (size_t ndx = 0; ndx < numElements; ++ndx)
2698         {
2699                 switch (ndx % 3)
2700                 {
2701                         case 0:         outputFloats1[ndx] = inputFloats[ndx] + 5.5f;   break;
2702                         case 1:         outputFloats1[ndx] = inputFloats[ndx] + 20.5f;  break;
2703                         case 2:         outputFloats1[ndx] = inputFloats[ndx] + 1.75f;  break;
2704                         default:        break;
2705                 }
2706                 outputFloats2[ndx] = inputFloats[ndx] + 6.5f * 3;
2707                 outputFloats3[ndx] = 8.5f - inputFloats[ndx];
2708
2709                 int index4 = (int)deFloor(deAbs((float)ndx * inputFloats[ndx]));
2710                 outputFloats4[ndx] = (float)(index4 % test4Width) * 10.0f + 5.0f;
2711         }
2712
2713         spec1.assembly =
2714                 string(getComputeAsmShaderPreamble()) +
2715
2716                 "OpSource GLSL 430\n"
2717                 "OpName %main \"main\"\n"
2718                 "OpName %id \"gl_GlobalInvocationID\"\n"
2719
2720                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2721
2722                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2723
2724                 "%id = OpVariable %uvec3ptr Input\n"
2725                 "%zero       = OpConstant %i32 0\n"
2726                 "%three      = OpConstant %u32 3\n"
2727                 "%constf5p5  = OpConstant %f32 5.5\n"
2728                 "%constf20p5 = OpConstant %f32 20.5\n"
2729                 "%constf1p75 = OpConstant %f32 1.75\n"
2730                 "%constf8p5  = OpConstant %f32 8.5\n"
2731                 "%constf6p5  = OpConstant %f32 6.5\n"
2732
2733                 "%main     = OpFunction %void None %voidf\n"
2734                 "%entry    = OpLabel\n"
2735                 "%idval    = OpLoad %uvec3 %id\n"
2736                 "%x        = OpCompositeExtract %u32 %idval 0\n"
2737                 "%selector = OpUMod %u32 %x %three\n"
2738                 "            OpSelectionMerge %phi None\n"
2739                 "            OpSwitch %selector %default 0 %case0 1 %case1 2 %case2\n"
2740
2741                 // Case 1 before OpPhi.
2742                 "%case1    = OpLabel\n"
2743                 "            OpBranch %phi\n"
2744
2745                 "%default  = OpLabel\n"
2746                 "            OpUnreachable\n"
2747
2748                 "%phi      = OpLabel\n"
2749                 "%operand  = OpPhi %f32   %constf1p75 %case2   %constf20p5 %case1   %constf5p5 %case0\n" // not in the order of blocks
2750                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
2751                 "%inval    = OpLoad %f32 %inloc\n"
2752                 "%add      = OpFAdd %f32 %inval %operand\n"
2753                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
2754                 "            OpStore %outloc %add\n"
2755                 "            OpReturn\n"
2756
2757                 // Case 0 after OpPhi.
2758                 "%case0    = OpLabel\n"
2759                 "            OpBranch %phi\n"
2760
2761
2762                 // Case 2 after OpPhi.
2763                 "%case2    = OpLabel\n"
2764                 "            OpBranch %phi\n"
2765
2766                 "            OpFunctionEnd\n";
2767         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2768         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
2769         spec1.numWorkGroups = IVec3(numElements, 1, 1);
2770
2771         group->addChild(new SpvAsmComputeShaderCase(testCtx, "block", "out-of-order and unreachable blocks for OpPhi", spec1));
2772
2773         spec2.assembly =
2774                 string(getComputeAsmShaderPreamble()) +
2775
2776                 "OpName %main \"main\"\n"
2777                 "OpName %id \"gl_GlobalInvocationID\"\n"
2778
2779                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2780
2781                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2782
2783                 "%id         = OpVariable %uvec3ptr Input\n"
2784                 "%zero       = OpConstant %i32 0\n"
2785                 "%one        = OpConstant %i32 1\n"
2786                 "%three      = OpConstant %i32 3\n"
2787                 "%constf6p5  = OpConstant %f32 6.5\n"
2788
2789                 "%main       = OpFunction %void None %voidf\n"
2790                 "%entry      = OpLabel\n"
2791                 "%idval      = OpLoad %uvec3 %id\n"
2792                 "%x          = OpCompositeExtract %u32 %idval 0\n"
2793                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
2794                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
2795                 "%inval      = OpLoad %f32 %inloc\n"
2796                 "              OpBranch %phi\n"
2797
2798                 "%phi        = OpLabel\n"
2799                 "%step       = OpPhi %i32 %zero  %entry %step_next  %phi\n"
2800                 "%accum      = OpPhi %f32 %inval %entry %accum_next %phi\n"
2801                 "%step_next  = OpIAdd %i32 %step %one\n"
2802                 "%accum_next = OpFAdd %f32 %accum %constf6p5\n"
2803                 "%still_loop = OpSLessThan %bool %step %three\n"
2804                 "              OpLoopMerge %exit %phi None\n"
2805                 "              OpBranchConditional %still_loop %phi %exit\n"
2806
2807                 "%exit       = OpLabel\n"
2808                 "              OpStore %outloc %accum\n"
2809                 "              OpReturn\n"
2810                 "              OpFunctionEnd\n";
2811         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2812         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
2813         spec2.numWorkGroups = IVec3(numElements, 1, 1);
2814
2815         group->addChild(new SpvAsmComputeShaderCase(testCtx, "induction", "The usual way induction variables are handled in LLVM IR", spec2));
2816
2817         spec3.assembly =
2818                 string(getComputeAsmShaderPreamble()) +
2819
2820                 "OpName %main \"main\"\n"
2821                 "OpName %id \"gl_GlobalInvocationID\"\n"
2822
2823                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2824
2825                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2826
2827                 "%f32ptr_f   = OpTypePointer Function %f32\n"
2828                 "%id         = OpVariable %uvec3ptr Input\n"
2829                 "%true       = OpConstantTrue %bool\n"
2830                 "%false      = OpConstantFalse %bool\n"
2831                 "%zero       = OpConstant %i32 0\n"
2832                 "%constf8p5  = OpConstant %f32 8.5\n"
2833
2834                 "%main       = OpFunction %void None %voidf\n"
2835                 "%entry      = OpLabel\n"
2836                 "%b          = OpVariable %f32ptr_f Function %constf8p5\n"
2837                 "%idval      = OpLoad %uvec3 %id\n"
2838                 "%x          = OpCompositeExtract %u32 %idval 0\n"
2839                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
2840                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
2841                 "%a_init     = OpLoad %f32 %inloc\n"
2842                 "%b_init     = OpLoad %f32 %b\n"
2843                 "              OpBranch %phi\n"
2844
2845                 "%phi        = OpLabel\n"
2846                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
2847                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
2848                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
2849                 "              OpLoopMerge %exit %phi None\n"
2850                 "              OpBranchConditional %still_loop %phi %exit\n"
2851
2852                 "%exit       = OpLabel\n"
2853                 "%sub        = OpFSub %f32 %a_next %b_next\n"
2854                 "              OpStore %outloc %sub\n"
2855                 "              OpReturn\n"
2856                 "              OpFunctionEnd\n";
2857         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2858         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
2859         spec3.numWorkGroups = IVec3(numElements, 1, 1);
2860
2861         group->addChild(new SpvAsmComputeShaderCase(testCtx, "swap", "Swap the values of two variables using OpPhi", spec3));
2862
2863         spec4.assembly =
2864                 "OpCapability Shader\n"
2865                 "%ext = OpExtInstImport \"GLSL.std.450\"\n"
2866                 "OpMemoryModel Logical GLSL450\n"
2867                 "OpEntryPoint GLCompute %main \"main\" %id\n"
2868                 "OpExecutionMode %main LocalSize 1 1 1\n"
2869
2870                 "OpSource GLSL 430\n"
2871                 "OpName %main \"main\"\n"
2872                 "OpName %id \"gl_GlobalInvocationID\"\n"
2873
2874                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2875
2876                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2877
2878                 "%id       = OpVariable %uvec3ptr Input\n"
2879                 "%zero     = OpConstant %i32 0\n"
2880                 "%cimod    = OpConstant %u32 " + generateIntWidth(test4Width) + "\n"
2881
2882                 + generateConstantDefinitions(test4Width) +
2883
2884                 "%main     = OpFunction %void None %voidf\n"
2885                 "%entry    = OpLabel\n"
2886                 "%idval    = OpLoad %uvec3 %id\n"
2887                 "%x        = OpCompositeExtract %u32 %idval 0\n"
2888                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
2889                 "%inval    = OpLoad %f32 %inloc\n"
2890                 "%xf       = OpConvertUToF %f32 %x\n"
2891                 "%xm       = OpFMul %f32 %xf %inval\n"
2892                 "%xa       = OpExtInst %f32 %ext FAbs %xm\n"
2893                 "%xi       = OpConvertFToU %u32 %xa\n"
2894                 "%selector = OpUMod %u32 %xi %cimod\n"
2895                 "            OpSelectionMerge %phi None\n"
2896                 "            OpSwitch %selector %default "
2897
2898                 + generateSwitchCases(test4Width) +
2899
2900                 "%default  = OpLabel\n"
2901                 "            OpUnreachable\n"
2902
2903                 + generateSwitchTargets(test4Width) +
2904
2905                 "%phi      = OpLabel\n"
2906                 "%result   = OpPhi %f32"
2907
2908                 + generateOpPhiParams(test4Width) +
2909
2910                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
2911                 "            OpStore %outloc %result\n"
2912                 "            OpReturn\n"
2913
2914                 "            OpFunctionEnd\n";
2915         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2916         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
2917         spec4.numWorkGroups = IVec3(numElements, 1, 1);
2918
2919         group->addChild(new SpvAsmComputeShaderCase(testCtx, "wide", "OpPhi with a lot of parameters", spec4));
2920
2921         return group.release();
2922 }
2923
2924 // Assembly code used for testing block order is based on GLSL source code:
2925 //
2926 // #version 430
2927 //
2928 // layout(std140, set = 0, binding = 0) readonly buffer Input {
2929 //   float elements[];
2930 // } input_data;
2931 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
2932 //   float elements[];
2933 // } output_data;
2934 //
2935 // void main() {
2936 //   uint x = gl_GlobalInvocationID.x;
2937 //   output_data.elements[x] = input_data.elements[x];
2938 //   if (x > uint(50)) {
2939 //     switch (x % uint(3)) {
2940 //       case 0: output_data.elements[x] += 1.5f; break;
2941 //       case 1: output_data.elements[x] += 42.f; break;
2942 //       case 2: output_data.elements[x] -= 27.f; break;
2943 //       default: break;
2944 //     }
2945 //   } else {
2946 //     output_data.elements[x] = -input_data.elements[x];
2947 //   }
2948 // }
2949 tcu::TestCaseGroup* createBlockOrderGroup (tcu::TestContext& testCtx)
2950 {
2951         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "block_order", "Test block orders"));
2952         ComputeShaderSpec                               spec;
2953         de::Random                                              rnd                             (deStringHash(group->getName()));
2954         const int                                               numElements             = 100;
2955         vector<float>                                   inputFloats             (numElements, 0);
2956         vector<float>                                   outputFloats    (numElements, 0);
2957
2958         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
2959
2960         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
2961         floorAll(inputFloats);
2962
2963         for (size_t ndx = 0; ndx <= 50; ++ndx)
2964                 outputFloats[ndx] = -inputFloats[ndx];
2965
2966         for (size_t ndx = 51; ndx < numElements; ++ndx)
2967         {
2968                 switch (ndx % 3)
2969                 {
2970                         case 0:         outputFloats[ndx] = inputFloats[ndx] + 1.5f; break;
2971                         case 1:         outputFloats[ndx] = inputFloats[ndx] + 42.f; break;
2972                         case 2:         outputFloats[ndx] = inputFloats[ndx] - 27.f; break;
2973                         default:        break;
2974                 }
2975         }
2976
2977         spec.assembly =
2978                 string(getComputeAsmShaderPreamble()) +
2979
2980                 "OpSource GLSL 430\n"
2981                 "OpName %main \"main\"\n"
2982                 "OpName %id \"gl_GlobalInvocationID\"\n"
2983
2984                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2985
2986                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2987
2988                 "%u32ptr       = OpTypePointer Function %u32\n"
2989                 "%u32ptr_input = OpTypePointer Input %u32\n"
2990
2991                 + string(getComputeAsmInputOutputBuffer()) +
2992
2993                 "%id        = OpVariable %uvec3ptr Input\n"
2994                 "%zero      = OpConstant %i32 0\n"
2995                 "%const3    = OpConstant %u32 3\n"
2996                 "%const50   = OpConstant %u32 50\n"
2997                 "%constf1p5 = OpConstant %f32 1.5\n"
2998                 "%constf27  = OpConstant %f32 27.0\n"
2999                 "%constf42  = OpConstant %f32 42.0\n"
3000
3001                 "%main = OpFunction %void None %voidf\n"
3002
3003                 // entry block.
3004                 "%entry    = OpLabel\n"
3005
3006                 // Create a temporary variable to hold the value of gl_GlobalInvocationID.x.
3007                 "%xvar     = OpVariable %u32ptr Function\n"
3008                 "%xptr     = OpAccessChain %u32ptr_input %id %zero\n"
3009                 "%x        = OpLoad %u32 %xptr\n"
3010                 "            OpStore %xvar %x\n"
3011
3012                 "%cmp      = OpUGreaterThan %bool %x %const50\n"
3013                 "            OpSelectionMerge %if_merge None\n"
3014                 "            OpBranchConditional %cmp %if_true %if_false\n"
3015
3016                 // False branch for if-statement: placed in the middle of switch cases and before true branch.
3017                 "%if_false = OpLabel\n"
3018                 "%x_f      = OpLoad %u32 %xvar\n"
3019                 "%inloc_f  = OpAccessChain %f32ptr %indata %zero %x_f\n"
3020                 "%inval_f  = OpLoad %f32 %inloc_f\n"
3021                 "%negate   = OpFNegate %f32 %inval_f\n"
3022                 "%outloc_f = OpAccessChain %f32ptr %outdata %zero %x_f\n"
3023                 "            OpStore %outloc_f %negate\n"
3024                 "            OpBranch %if_merge\n"
3025
3026                 // Merge block for if-statement: placed in the middle of true and false branch.
3027                 "%if_merge = OpLabel\n"
3028                 "            OpReturn\n"
3029
3030                 // True branch for if-statement: placed in the middle of swtich cases and after the false branch.
3031                 "%if_true  = OpLabel\n"
3032                 "%xval_t   = OpLoad %u32 %xvar\n"
3033                 "%mod      = OpUMod %u32 %xval_t %const3\n"
3034                 "            OpSelectionMerge %switch_merge None\n"
3035                 "            OpSwitch %mod %default 0 %case0 1 %case1 2 %case2\n"
3036
3037                 // Merge block for switch-statement: placed before the case
3038                 // bodies.  But it must follow OpSwitch which dominates it.
3039                 "%switch_merge = OpLabel\n"
3040                 "                OpBranch %if_merge\n"
3041
3042                 // Case 1 for switch-statement: placed before case 0.
3043                 // It must follow the OpSwitch that dominates it.
3044                 "%case1    = OpLabel\n"
3045                 "%x_1      = OpLoad %u32 %xvar\n"
3046                 "%inloc_1  = OpAccessChain %f32ptr %indata %zero %x_1\n"
3047                 "%inval_1  = OpLoad %f32 %inloc_1\n"
3048                 "%addf42   = OpFAdd %f32 %inval_1 %constf42\n"
3049                 "%outloc_1 = OpAccessChain %f32ptr %outdata %zero %x_1\n"
3050                 "            OpStore %outloc_1 %addf42\n"
3051                 "            OpBranch %switch_merge\n"
3052
3053                 // Case 2 for switch-statement.
3054                 "%case2    = OpLabel\n"
3055                 "%x_2      = OpLoad %u32 %xvar\n"
3056                 "%inloc_2  = OpAccessChain %f32ptr %indata %zero %x_2\n"
3057                 "%inval_2  = OpLoad %f32 %inloc_2\n"
3058                 "%subf27   = OpFSub %f32 %inval_2 %constf27\n"
3059                 "%outloc_2 = OpAccessChain %f32ptr %outdata %zero %x_2\n"
3060                 "            OpStore %outloc_2 %subf27\n"
3061                 "            OpBranch %switch_merge\n"
3062
3063                 // Default case for switch-statement: placed in the middle of normal cases.
3064                 "%default = OpLabel\n"
3065                 "           OpBranch %switch_merge\n"
3066
3067                 // Case 0 for switch-statement: out of order.
3068                 "%case0    = OpLabel\n"
3069                 "%x_0      = OpLoad %u32 %xvar\n"
3070                 "%inloc_0  = OpAccessChain %f32ptr %indata %zero %x_0\n"
3071                 "%inval_0  = OpLoad %f32 %inloc_0\n"
3072                 "%addf1p5  = OpFAdd %f32 %inval_0 %constf1p5\n"
3073                 "%outloc_0 = OpAccessChain %f32ptr %outdata %zero %x_0\n"
3074                 "            OpStore %outloc_0 %addf1p5\n"
3075                 "            OpBranch %switch_merge\n"
3076
3077                 "            OpFunctionEnd\n";
3078         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3079         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3080         spec.numWorkGroups = IVec3(numElements, 1, 1);
3081
3082         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "various out-of-order blocks", spec));
3083
3084         return group.release();
3085 }
3086
3087 tcu::TestCaseGroup* createMultipleShaderGroup (tcu::TestContext& testCtx)
3088 {
3089         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "multiple_shaders", "Test multiple shaders in the same module"));
3090         ComputeShaderSpec                               spec1;
3091         ComputeShaderSpec                               spec2;
3092         de::Random                                              rnd                             (deStringHash(group->getName()));
3093         const int                                               numElements             = 100;
3094         vector<float>                                   inputFloats             (numElements, 0);
3095         vector<float>                                   outputFloats1   (numElements, 0);
3096         vector<float>                                   outputFloats2   (numElements, 0);
3097         fillRandomScalars(rnd, -500.f, 500.f, &inputFloats[0], numElements);
3098
3099         for (size_t ndx = 0; ndx < numElements; ++ndx)
3100         {
3101                 outputFloats1[ndx] = inputFloats[ndx] + inputFloats[ndx];
3102                 outputFloats2[ndx] = -inputFloats[ndx];
3103         }
3104
3105         const string assembly(
3106                 "OpCapability Shader\n"
3107                 "OpCapability ClipDistance\n"
3108                 "OpMemoryModel Logical GLSL450\n"
3109                 "OpEntryPoint GLCompute %comp_main1 \"entrypoint1\" %id\n"
3110                 "OpEntryPoint GLCompute %comp_main2 \"entrypoint2\" %id\n"
3111                 // A module cannot have two OpEntryPoint instructions with the same Execution Model and the same Name string.
3112                 "OpEntryPoint Vertex    %vert_main  \"entrypoint2\" %vert_builtins %vertexIndex %instanceIndex\n"
3113                 "OpExecutionMode %comp_main1 LocalSize 1 1 1\n"
3114                 "OpExecutionMode %comp_main2 LocalSize 1 1 1\n"
3115
3116                 "OpName %comp_main1              \"entrypoint1\"\n"
3117                 "OpName %comp_main2              \"entrypoint2\"\n"
3118                 "OpName %vert_main               \"entrypoint2\"\n"
3119                 "OpName %id                      \"gl_GlobalInvocationID\"\n"
3120                 "OpName %vert_builtin_st         \"gl_PerVertex\"\n"
3121                 "OpName %vertexIndex             \"gl_VertexIndex\"\n"
3122                 "OpName %instanceIndex           \"gl_InstanceIndex\"\n"
3123                 "OpMemberName %vert_builtin_st 0 \"gl_Position\"\n"
3124                 "OpMemberName %vert_builtin_st 1 \"gl_PointSize\"\n"
3125                 "OpMemberName %vert_builtin_st 2 \"gl_ClipDistance\"\n"
3126
3127                 "OpDecorate %id                      BuiltIn GlobalInvocationId\n"
3128                 "OpDecorate %vertexIndex             BuiltIn VertexIndex\n"
3129                 "OpDecorate %instanceIndex           BuiltIn InstanceIndex\n"
3130                 "OpDecorate %vert_builtin_st         Block\n"
3131                 "OpMemberDecorate %vert_builtin_st 0 BuiltIn Position\n"
3132                 "OpMemberDecorate %vert_builtin_st 1 BuiltIn PointSize\n"
3133                 "OpMemberDecorate %vert_builtin_st 2 BuiltIn ClipDistance\n"
3134
3135                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3136
3137                 "%zero       = OpConstant %i32 0\n"
3138                 "%one        = OpConstant %u32 1\n"
3139                 "%c_f32_1    = OpConstant %f32 1\n"
3140
3141                 "%i32inputptr         = OpTypePointer Input %i32\n"
3142                 "%vec4                = OpTypeVector %f32 4\n"
3143                 "%vec4ptr             = OpTypePointer Output %vec4\n"
3144                 "%f32arr1             = OpTypeArray %f32 %one\n"
3145                 "%vert_builtin_st     = OpTypeStruct %vec4 %f32 %f32arr1\n"
3146                 "%vert_builtin_st_ptr = OpTypePointer Output %vert_builtin_st\n"
3147                 "%vert_builtins       = OpVariable %vert_builtin_st_ptr Output\n"
3148
3149                 "%id         = OpVariable %uvec3ptr Input\n"
3150                 "%vertexIndex = OpVariable %i32inputptr Input\n"
3151                 "%instanceIndex = OpVariable %i32inputptr Input\n"
3152                 "%c_vec4_1   = OpConstantComposite %vec4 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
3153
3154                 // gl_Position = vec4(1.);
3155                 "%vert_main  = OpFunction %void None %voidf\n"
3156                 "%vert_entry = OpLabel\n"
3157                 "%position   = OpAccessChain %vec4ptr %vert_builtins %zero\n"
3158                 "              OpStore %position %c_vec4_1\n"
3159                 "              OpReturn\n"
3160                 "              OpFunctionEnd\n"
3161
3162                 // Double inputs.
3163                 "%comp_main1  = OpFunction %void None %voidf\n"
3164                 "%comp1_entry = OpLabel\n"
3165                 "%idval1      = OpLoad %uvec3 %id\n"
3166                 "%x1          = OpCompositeExtract %u32 %idval1 0\n"
3167                 "%inloc1      = OpAccessChain %f32ptr %indata %zero %x1\n"
3168                 "%inval1      = OpLoad %f32 %inloc1\n"
3169                 "%add         = OpFAdd %f32 %inval1 %inval1\n"
3170                 "%outloc1     = OpAccessChain %f32ptr %outdata %zero %x1\n"
3171                 "               OpStore %outloc1 %add\n"
3172                 "               OpReturn\n"
3173                 "               OpFunctionEnd\n"
3174
3175                 // Negate inputs.
3176                 "%comp_main2  = OpFunction %void None %voidf\n"
3177                 "%comp2_entry = OpLabel\n"
3178                 "%idval2      = OpLoad %uvec3 %id\n"
3179                 "%x2          = OpCompositeExtract %u32 %idval2 0\n"
3180                 "%inloc2      = OpAccessChain %f32ptr %indata %zero %x2\n"
3181                 "%inval2      = OpLoad %f32 %inloc2\n"
3182                 "%neg         = OpFNegate %f32 %inval2\n"
3183                 "%outloc2     = OpAccessChain %f32ptr %outdata %zero %x2\n"
3184                 "               OpStore %outloc2 %neg\n"
3185                 "               OpReturn\n"
3186                 "               OpFunctionEnd\n");
3187
3188         spec1.assembly = assembly;
3189         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3190         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
3191         spec1.numWorkGroups = IVec3(numElements, 1, 1);
3192         spec1.entryPoint = "entrypoint1";
3193
3194         spec2.assembly = assembly;
3195         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3196         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
3197         spec2.numWorkGroups = IVec3(numElements, 1, 1);
3198         spec2.entryPoint = "entrypoint2";
3199
3200         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader1", "multiple shaders in the same module", spec1));
3201         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader2", "multiple shaders in the same module", spec2));
3202
3203         return group.release();
3204 }
3205
3206 inline std::string makeLongUTF8String (size_t num4ByteChars)
3207 {
3208         // An example of a longest valid UTF-8 character.  Be explicit about the
3209         // character type because Microsoft compilers can otherwise interpret the
3210         // character string as being over wide (16-bit) characters. Ideally, we
3211         // would just use a C++11 UTF-8 string literal, but we want to support older
3212         // Microsoft compilers.
3213         const std::basic_string<char> earthAfrica("\xF0\x9F\x8C\x8D");
3214         std::string longString;
3215         longString.reserve(num4ByteChars * 4);
3216         for (size_t count = 0; count < num4ByteChars; count++)
3217         {
3218                 longString += earthAfrica;
3219         }
3220         return longString;
3221 }
3222
3223 tcu::TestCaseGroup* createOpSourceGroup (tcu::TestContext& testCtx)
3224 {
3225         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsource", "Tests the OpSource & OpSourceContinued instruction"));
3226         vector<CaseParameter>                   cases;
3227         de::Random                                              rnd                             (deStringHash(group->getName()));
3228         const int                                               numElements             = 100;
3229         vector<float>                                   positiveFloats  (numElements, 0);
3230         vector<float>                                   negativeFloats  (numElements, 0);
3231         const StringTemplate                    shaderTemplate  (
3232                 "OpCapability Shader\n"
3233                 "OpMemoryModel Logical GLSL450\n"
3234
3235                 "OpEntryPoint GLCompute %main \"main\" %id\n"
3236                 "OpExecutionMode %main LocalSize 1 1 1\n"
3237
3238                 "${SOURCE}\n"
3239
3240                 "OpName %main           \"main\"\n"
3241                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3242
3243                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3244
3245                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3246
3247                 "%id        = OpVariable %uvec3ptr Input\n"
3248                 "%zero      = OpConstant %i32 0\n"
3249
3250                 "%main      = OpFunction %void None %voidf\n"
3251                 "%label     = OpLabel\n"
3252                 "%idval     = OpLoad %uvec3 %id\n"
3253                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3254                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3255                 "%inval     = OpLoad %f32 %inloc\n"
3256                 "%neg       = OpFNegate %f32 %inval\n"
3257                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3258                 "             OpStore %outloc %neg\n"
3259                 "             OpReturn\n"
3260                 "             OpFunctionEnd\n");
3261
3262         cases.push_back(CaseParameter("unknown_source",                                                 "OpSource Unknown 0"));
3263         cases.push_back(CaseParameter("wrong_source",                                                   "OpSource OpenCL_C 210"));
3264         cases.push_back(CaseParameter("normal_filename",                                                "%fname = OpString \"filename\"\n"
3265                                                                                                                                                         "OpSource GLSL 430 %fname"));
3266         cases.push_back(CaseParameter("empty_filename",                                                 "%fname = OpString \"\"\n"
3267                                                                                                                                                         "OpSource GLSL 430 %fname"));
3268         cases.push_back(CaseParameter("normal_source_code",                                             "%fname = OpString \"filename\"\n"
3269                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\""));
3270         cases.push_back(CaseParameter("empty_source_code",                                              "%fname = OpString \"filename\"\n"
3271                                                                                                                                                         "OpSource GLSL 430 %fname \"\""));
3272         cases.push_back(CaseParameter("long_source_code",                                               "%fname = OpString \"filename\"\n"
3273                                                                                                                                                         "OpSource GLSL 430 %fname \"" + makeLongUTF8String(65530) + "ccc\"")); // word count: 65535
3274         cases.push_back(CaseParameter("utf8_source_code",                                               "%fname = OpString \"filename\"\n"
3275                                                                                                                                                         "OpSource GLSL 430 %fname \"\xE2\x98\x82\xE2\x98\x85\"")); // umbrella & black star symbol
3276         cases.push_back(CaseParameter("normal_sourcecontinued",                                 "%fname = OpString \"filename\"\n"
3277                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvo\"\n"
3278                                                                                                                                                         "OpSourceContinued \"id main() {}\""));
3279         cases.push_back(CaseParameter("empty_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
3280                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
3281                                                                                                                                                         "OpSourceContinued \"\""));
3282         cases.push_back(CaseParameter("long_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
3283                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
3284                                                                                                                                                         "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\"")); // word count: 65535
3285         cases.push_back(CaseParameter("utf8_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
3286                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
3287                                                                                                                                                         "OpSourceContinued \"\xE2\x98\x8E\xE2\x9A\x91\"")); // white telephone & black flag symbol
3288         cases.push_back(CaseParameter("multi_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
3289                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\n\"\n"
3290                                                                                                                                                         "OpSourceContinued \"void\"\n"
3291                                                                                                                                                         "OpSourceContinued \"main()\"\n"
3292                                                                                                                                                         "OpSourceContinued \"{}\""));
3293         cases.push_back(CaseParameter("empty_source_before_sourcecontinued",    "%fname = OpString \"filename\"\n"
3294                                                                                                                                                         "OpSource GLSL 430 %fname \"\"\n"
3295                                                                                                                                                         "OpSourceContinued \"#version 430\nvoid main() {}\""));
3296
3297         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
3298
3299         for (size_t ndx = 0; ndx < numElements; ++ndx)
3300                 negativeFloats[ndx] = -positiveFloats[ndx];
3301
3302         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3303         {
3304                 map<string, string>             specializations;
3305                 ComputeShaderSpec               spec;
3306
3307                 specializations["SOURCE"] = cases[caseNdx].param;
3308                 spec.assembly = shaderTemplate.specialize(specializations);
3309                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3310                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3311                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3312
3313                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3314         }
3315
3316         return group.release();
3317 }
3318
3319 tcu::TestCaseGroup* createOpSourceExtensionGroup (tcu::TestContext& testCtx)
3320 {
3321         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsourceextension", "Tests the OpSource instruction"));
3322         vector<CaseParameter>                   cases;
3323         de::Random                                              rnd                             (deStringHash(group->getName()));
3324         const int                                               numElements             = 100;
3325         vector<float>                                   inputFloats             (numElements, 0);
3326         vector<float>                                   outputFloats    (numElements, 0);
3327         const StringTemplate                    shaderTemplate  (
3328                 string(getComputeAsmShaderPreamble()) +
3329
3330                 "OpSourceExtension \"${EXTENSION}\"\n"
3331
3332                 "OpName %main           \"main\"\n"
3333                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3334
3335                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3336
3337                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3338
3339                 "%id        = OpVariable %uvec3ptr Input\n"
3340                 "%zero      = OpConstant %i32 0\n"
3341
3342                 "%main      = OpFunction %void None %voidf\n"
3343                 "%label     = OpLabel\n"
3344                 "%idval     = OpLoad %uvec3 %id\n"
3345                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3346                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3347                 "%inval     = OpLoad %f32 %inloc\n"
3348                 "%neg       = OpFNegate %f32 %inval\n"
3349                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3350                 "             OpStore %outloc %neg\n"
3351                 "             OpReturn\n"
3352                 "             OpFunctionEnd\n");
3353
3354         cases.push_back(CaseParameter("empty_extension",        ""));
3355         cases.push_back(CaseParameter("real_extension",         "GL_ARB_texture_rectangle"));
3356         cases.push_back(CaseParameter("fake_extension",         "GL_ARB_im_the_ultimate_extension"));
3357         cases.push_back(CaseParameter("utf8_extension",         "GL_ARB_\xE2\x98\x82\xE2\x98\x85"));
3358         cases.push_back(CaseParameter("long_extension",         makeLongUTF8String(65533) + "ccc")); // word count: 65535
3359
3360         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
3361
3362         for (size_t ndx = 0; ndx < numElements; ++ndx)
3363                 outputFloats[ndx] = -inputFloats[ndx];
3364
3365         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3366         {
3367                 map<string, string>             specializations;
3368                 ComputeShaderSpec               spec;
3369
3370                 specializations["EXTENSION"] = cases[caseNdx].param;
3371                 spec.assembly = shaderTemplate.specialize(specializations);
3372                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3373                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3374                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3375
3376                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3377         }
3378
3379         return group.release();
3380 }
3381
3382 // Checks that a compute shader can generate a constant null value of various types, without exercising a computation on it.
3383 tcu::TestCaseGroup* createOpConstantNullGroup (tcu::TestContext& testCtx)
3384 {
3385         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnull", "Tests the OpConstantNull instruction"));
3386         vector<CaseParameter>                   cases;
3387         de::Random                                              rnd                             (deStringHash(group->getName()));
3388         const int                                               numElements             = 100;
3389         vector<float>                                   positiveFloats  (numElements, 0);
3390         vector<float>                                   negativeFloats  (numElements, 0);
3391         const StringTemplate                    shaderTemplate  (
3392                 string(getComputeAsmShaderPreamble()) +
3393
3394                 "OpSource GLSL 430\n"
3395                 "OpName %main           \"main\"\n"
3396                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3397
3398                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3399
3400                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
3401                 "%uvec2     = OpTypeVector %u32 2\n"
3402                 "%bvec3     = OpTypeVector %bool 3\n"
3403                 "%fvec4     = OpTypeVector %f32 4\n"
3404                 "%fmat33    = OpTypeMatrix %fvec3 3\n"
3405                 "%const100  = OpConstant %u32 100\n"
3406                 "%uarr100   = OpTypeArray %i32 %const100\n"
3407                 "%struct    = OpTypeStruct %f32 %i32 %u32\n"
3408                 "%pointer   = OpTypePointer Function %i32\n"
3409                 + string(getComputeAsmInputOutputBuffer()) +
3410
3411                 "%null      = OpConstantNull ${TYPE}\n"
3412
3413                 "%id        = OpVariable %uvec3ptr Input\n"
3414                 "%zero      = OpConstant %i32 0\n"
3415
3416                 "%main      = OpFunction %void None %voidf\n"
3417                 "%label     = OpLabel\n"
3418                 "%idval     = OpLoad %uvec3 %id\n"
3419                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3420                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3421                 "%inval     = OpLoad %f32 %inloc\n"
3422                 "%neg       = OpFNegate %f32 %inval\n"
3423                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3424                 "             OpStore %outloc %neg\n"
3425                 "             OpReturn\n"
3426                 "             OpFunctionEnd\n");
3427
3428         cases.push_back(CaseParameter("bool",                   "%bool"));
3429         cases.push_back(CaseParameter("sint32",                 "%i32"));
3430         cases.push_back(CaseParameter("uint32",                 "%u32"));
3431         cases.push_back(CaseParameter("float32",                "%f32"));
3432         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
3433         cases.push_back(CaseParameter("vec3bool",               "%bvec3"));
3434         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
3435         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
3436         cases.push_back(CaseParameter("array",                  "%uarr100"));
3437         cases.push_back(CaseParameter("struct",                 "%struct"));
3438         cases.push_back(CaseParameter("pointer",                "%pointer"));
3439
3440         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
3441
3442         for (size_t ndx = 0; ndx < numElements; ++ndx)
3443                 negativeFloats[ndx] = -positiveFloats[ndx];
3444
3445         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3446         {
3447                 map<string, string>             specializations;
3448                 ComputeShaderSpec               spec;
3449
3450                 specializations["TYPE"] = cases[caseNdx].param;
3451                 spec.assembly = shaderTemplate.specialize(specializations);
3452                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3453                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3454                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3455
3456                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3457         }
3458
3459         return group.release();
3460 }
3461
3462 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
3463 tcu::TestCaseGroup* createOpConstantCompositeGroup (tcu::TestContext& testCtx)
3464 {
3465         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "Tests the OpConstantComposite instruction"));
3466         vector<CaseParameter>                   cases;
3467         de::Random                                              rnd                             (deStringHash(group->getName()));
3468         const int                                               numElements             = 100;
3469         vector<float>                                   positiveFloats  (numElements, 0);
3470         vector<float>                                   negativeFloats  (numElements, 0);
3471         const StringTemplate                    shaderTemplate  (
3472                 string(getComputeAsmShaderPreamble()) +
3473
3474                 "OpSource GLSL 430\n"
3475                 "OpName %main           \"main\"\n"
3476                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3477
3478                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3479
3480                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3481
3482                 "%id        = OpVariable %uvec3ptr Input\n"
3483                 "%zero      = OpConstant %i32 0\n"
3484
3485                 "${CONSTANT}\n"
3486
3487                 "%main      = OpFunction %void None %voidf\n"
3488                 "%label     = OpLabel\n"
3489                 "%idval     = OpLoad %uvec3 %id\n"
3490                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3491                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3492                 "%inval     = OpLoad %f32 %inloc\n"
3493                 "%neg       = OpFNegate %f32 %inval\n"
3494                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3495                 "             OpStore %outloc %neg\n"
3496                 "             OpReturn\n"
3497                 "             OpFunctionEnd\n");
3498
3499         cases.push_back(CaseParameter("vector",                 "%five = OpConstant %u32 5\n"
3500                                                                                                         "%const = OpConstantComposite %uvec3 %five %zero %five"));
3501         cases.push_back(CaseParameter("matrix",                 "%m3fvec3 = OpTypeMatrix %fvec3 3\n"
3502                                                                                                         "%ten = OpConstant %f32 10.\n"
3503                                                                                                         "%fzero = OpConstant %f32 0.\n"
3504                                                                                                         "%vec = OpConstantComposite %fvec3 %ten %fzero %ten\n"
3505                                                                                                         "%mat = OpConstantComposite %m3fvec3 %vec %vec %vec"));
3506         cases.push_back(CaseParameter("struct",                 "%m2vec3 = OpTypeMatrix %fvec3 2\n"
3507                                                                                                         "%struct = OpTypeStruct %i32 %f32 %fvec3 %m2vec3\n"
3508                                                                                                         "%fzero = OpConstant %f32 0.\n"
3509                                                                                                         "%one = OpConstant %f32 1.\n"
3510                                                                                                         "%point5 = OpConstant %f32 0.5\n"
3511                                                                                                         "%vec = OpConstantComposite %fvec3 %one %one %fzero\n"
3512                                                                                                         "%mat = OpConstantComposite %m2vec3 %vec %vec\n"
3513                                                                                                         "%const = OpConstantComposite %struct %zero %point5 %vec %mat"));
3514         cases.push_back(CaseParameter("nested_struct",  "%st1 = OpTypeStruct %u32 %f32\n"
3515                                                                                                         "%st2 = OpTypeStruct %i32 %i32\n"
3516                                                                                                         "%struct = OpTypeStruct %st1 %st2\n"
3517                                                                                                         "%point5 = OpConstant %f32 0.5\n"
3518                                                                                                         "%one = OpConstant %u32 1\n"
3519                                                                                                         "%ten = OpConstant %i32 10\n"
3520                                                                                                         "%st1val = OpConstantComposite %st1 %one %point5\n"
3521                                                                                                         "%st2val = OpConstantComposite %st2 %ten %ten\n"
3522                                                                                                         "%const = OpConstantComposite %struct %st1val %st2val"));
3523
3524         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
3525
3526         for (size_t ndx = 0; ndx < numElements; ++ndx)
3527                 negativeFloats[ndx] = -positiveFloats[ndx];
3528
3529         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3530         {
3531                 map<string, string>             specializations;
3532                 ComputeShaderSpec               spec;
3533
3534                 specializations["CONSTANT"] = cases[caseNdx].param;
3535                 spec.assembly = shaderTemplate.specialize(specializations);
3536                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3537                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3538                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3539
3540                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3541         }
3542
3543         return group.release();
3544 }
3545
3546 // Creates a floating point number with the given exponent, and significand
3547 // bits set. It can only create normalized numbers. Only the least significant
3548 // 24 bits of the significand will be examined. The final bit of the
3549 // significand will also be ignored. This allows alignment to be written
3550 // similarly to C99 hex-floats.
3551 // For example if you wanted to write 0x1.7f34p-12 you would call
3552 // constructNormalizedFloat(-12, 0x7f3400)
3553 float constructNormalizedFloat (deInt32 exponent, deUint32 significand)
3554 {
3555         float f = 1.0f;
3556
3557         for (deInt32 idx = 0; idx < 23; ++idx)
3558         {
3559                 f += ((significand & 0x800000) == 0) ? 0.f : std::ldexp(1.0f, -(idx + 1));
3560                 significand <<= 1;
3561         }
3562
3563         return std::ldexp(f, exponent);
3564 }
3565
3566 // Compare instruction for the OpQuantizeF16 compute exact case.
3567 // Returns true if the output is what is expected from the test case.
3568 bool compareOpQuantizeF16ComputeExactCase (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
3569 {
3570         if (outputAllocs.size() != 1)
3571                 return false;
3572
3573         // Only size is needed because we cannot compare Nans.
3574         size_t byteSize = expectedOutputs[0]->getByteSize();
3575
3576         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());
3577
3578         if (byteSize != 4*sizeof(float)) {
3579                 return false;
3580         }
3581
3582         if (*outputAsFloat != constructNormalizedFloat(8, 0x304000) &&
3583                 *outputAsFloat != constructNormalizedFloat(8, 0x300000)) {
3584                 return false;
3585         }
3586         outputAsFloat++;
3587
3588         if (*outputAsFloat != -constructNormalizedFloat(-7, 0x600000) &&
3589                 *outputAsFloat != -constructNormalizedFloat(-7, 0x604000)) {
3590                 return false;
3591         }
3592         outputAsFloat++;
3593
3594         if (*outputAsFloat != constructNormalizedFloat(2, 0x01C000) &&
3595                 *outputAsFloat != constructNormalizedFloat(2, 0x020000)) {
3596                 return false;
3597         }
3598         outputAsFloat++;
3599
3600         if (*outputAsFloat != constructNormalizedFloat(1, 0xFFC000) &&
3601                 *outputAsFloat != constructNormalizedFloat(2, 0x000000)) {
3602                 return false;
3603         }
3604
3605         return true;
3606 }
3607
3608 // Checks that every output from a test-case is a float NaN.
3609 bool compareNan (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
3610 {
3611         if (outputAllocs.size() != 1)
3612                 return false;
3613
3614         // Only size is needed because we cannot compare Nans.
3615         size_t byteSize = expectedOutputs[0]->getByteSize();
3616
3617         const float* const      output_as_float = static_cast<const float* const>(outputAllocs[0]->getHostPtr());
3618
3619         for (size_t idx = 0; idx < byteSize / sizeof(float); ++idx)
3620         {
3621                 if (!deFloatIsNaN(output_as_float[idx]))
3622                 {
3623                         return false;
3624                 }
3625         }
3626
3627         return true;
3628 }
3629
3630 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
3631 tcu::TestCaseGroup* createOpQuantizeToF16Group (tcu::TestContext& testCtx)
3632 {
3633         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opquantize", "Tests the OpQuantizeToF16 instruction"));
3634
3635         const std::string shader (
3636                 string(getComputeAsmShaderPreamble()) +
3637
3638                 "OpSource GLSL 430\n"
3639                 "OpName %main           \"main\"\n"
3640                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3641
3642                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3643
3644                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3645
3646                 "%id        = OpVariable %uvec3ptr Input\n"
3647                 "%zero      = OpConstant %i32 0\n"
3648
3649                 "%main      = OpFunction %void None %voidf\n"
3650                 "%label     = OpLabel\n"
3651                 "%idval     = OpLoad %uvec3 %id\n"
3652                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3653                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3654                 "%inval     = OpLoad %f32 %inloc\n"
3655                 "%quant     = OpQuantizeToF16 %f32 %inval\n"
3656                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3657                 "             OpStore %outloc %quant\n"
3658                 "             OpReturn\n"
3659                 "             OpFunctionEnd\n");
3660
3661         {
3662                 ComputeShaderSpec       spec;
3663                 const deUint32          numElements             = 100;
3664                 vector<float>           infinities;
3665                 vector<float>           results;
3666
3667                 infinities.reserve(numElements);
3668                 results.reserve(numElements);
3669
3670                 for (size_t idx = 0; idx < numElements; ++idx)
3671                 {
3672                         switch(idx % 4)
3673                         {
3674                                 case 0:
3675                                         infinities.push_back(std::numeric_limits<float>::infinity());
3676                                         results.push_back(std::numeric_limits<float>::infinity());
3677                                         break;
3678                                 case 1:
3679                                         infinities.push_back(-std::numeric_limits<float>::infinity());
3680                                         results.push_back(-std::numeric_limits<float>::infinity());
3681                                         break;
3682                                 case 2:
3683                                         infinities.push_back(std::ldexp(1.0f, 16));
3684                                         results.push_back(std::numeric_limits<float>::infinity());
3685                                         break;
3686                                 case 3:
3687                                         infinities.push_back(std::ldexp(-1.0f, 32));
3688                                         results.push_back(-std::numeric_limits<float>::infinity());
3689                                         break;
3690                         }
3691                 }
3692
3693                 spec.assembly = shader;
3694                 spec.inputs.push_back(BufferSp(new Float32Buffer(infinities)));
3695                 spec.outputs.push_back(BufferSp(new Float32Buffer(results)));
3696                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3697
3698                 group->addChild(new SpvAsmComputeShaderCase(
3699                         testCtx, "infinities", "Check that infinities propagated and created", spec));
3700         }
3701
3702         {
3703                 ComputeShaderSpec       spec;
3704                 vector<float>           nans;
3705                 const deUint32          numElements             = 100;
3706
3707                 nans.reserve(numElements);
3708
3709                 for (size_t idx = 0; idx < numElements; ++idx)
3710                 {
3711                         if (idx % 2 == 0)
3712                         {
3713                                 nans.push_back(std::numeric_limits<float>::quiet_NaN());
3714                         }
3715                         else
3716                         {
3717                                 nans.push_back(-std::numeric_limits<float>::quiet_NaN());
3718                         }
3719                 }
3720
3721                 spec.assembly = shader;
3722                 spec.inputs.push_back(BufferSp(new Float32Buffer(nans)));
3723                 spec.outputs.push_back(BufferSp(new Float32Buffer(nans)));
3724                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3725                 spec.verifyIO = &compareNan;
3726
3727                 group->addChild(new SpvAsmComputeShaderCase(
3728                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
3729         }
3730
3731         {
3732                 ComputeShaderSpec       spec;
3733                 vector<float>           small;
3734                 vector<float>           zeros;
3735                 const deUint32          numElements             = 100;
3736
3737                 small.reserve(numElements);
3738                 zeros.reserve(numElements);
3739
3740                 for (size_t idx = 0; idx < numElements; ++idx)
3741                 {
3742                         switch(idx % 6)
3743                         {
3744                                 case 0:
3745                                         small.push_back(0.f);
3746                                         zeros.push_back(0.f);
3747                                         break;
3748                                 case 1:
3749                                         small.push_back(-0.f);
3750                                         zeros.push_back(-0.f);
3751                                         break;
3752                                 case 2:
3753                                         small.push_back(std::ldexp(1.0f, -16));
3754                                         zeros.push_back(0.f);
3755                                         break;
3756                                 case 3:
3757                                         small.push_back(std::ldexp(-1.0f, -32));
3758                                         zeros.push_back(-0.f);
3759                                         break;
3760                                 case 4:
3761                                         small.push_back(std::ldexp(1.0f, -127));
3762                                         zeros.push_back(0.f);
3763                                         break;
3764                                 case 5:
3765                                         small.push_back(-std::ldexp(1.0f, -128));
3766                                         zeros.push_back(-0.f);
3767                                         break;
3768                         }
3769                 }
3770
3771                 spec.assembly = shader;
3772                 spec.inputs.push_back(BufferSp(new Float32Buffer(small)));
3773                 spec.outputs.push_back(BufferSp(new Float32Buffer(zeros)));
3774                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3775
3776                 group->addChild(new SpvAsmComputeShaderCase(
3777                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
3778         }
3779
3780         {
3781                 ComputeShaderSpec       spec;
3782                 vector<float>           exact;
3783                 const deUint32          numElements             = 200;
3784
3785                 exact.reserve(numElements);
3786
3787                 for (size_t idx = 0; idx < numElements; ++idx)
3788                         exact.push_back(static_cast<float>(static_cast<int>(idx) - 100));
3789
3790                 spec.assembly = shader;
3791                 spec.inputs.push_back(BufferSp(new Float32Buffer(exact)));
3792                 spec.outputs.push_back(BufferSp(new Float32Buffer(exact)));
3793                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3794
3795                 group->addChild(new SpvAsmComputeShaderCase(
3796                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
3797         }
3798
3799         {
3800                 ComputeShaderSpec       spec;
3801                 vector<float>           inputs;
3802                 const deUint32          numElements             = 4;
3803
3804                 inputs.push_back(constructNormalizedFloat(8,    0x300300));
3805                 inputs.push_back(-constructNormalizedFloat(-7,  0x600800));
3806                 inputs.push_back(constructNormalizedFloat(2,    0x01E000));
3807                 inputs.push_back(constructNormalizedFloat(1,    0xFFE000));
3808
3809                 spec.assembly = shader;
3810                 spec.verifyIO = &compareOpQuantizeF16ComputeExactCase;
3811                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
3812                 spec.outputs.push_back(BufferSp(new Float32Buffer(inputs)));
3813                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3814
3815                 group->addChild(new SpvAsmComputeShaderCase(
3816                         testCtx, "rounded", "Check that are rounded when needed", spec));
3817         }
3818
3819         return group.release();
3820 }
3821
3822 tcu::TestCaseGroup* createSpecConstantOpQuantizeToF16Group (tcu::TestContext& testCtx)
3823 {
3824         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop_opquantize", "Tests the OpQuantizeToF16 opcode for the OpSpecConstantOp instruction"));
3825
3826         const std::string shader (
3827                 string(getComputeAsmShaderPreamble()) +
3828
3829                 "OpName %main           \"main\"\n"
3830                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3831
3832                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3833
3834                 "OpDecorate %sc_0  SpecId 0\n"
3835                 "OpDecorate %sc_1  SpecId 1\n"
3836                 "OpDecorate %sc_2  SpecId 2\n"
3837                 "OpDecorate %sc_3  SpecId 3\n"
3838                 "OpDecorate %sc_4  SpecId 4\n"
3839                 "OpDecorate %sc_5  SpecId 5\n"
3840
3841                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3842
3843                 "%id        = OpVariable %uvec3ptr Input\n"
3844                 "%zero      = OpConstant %i32 0\n"
3845                 "%c_u32_6   = OpConstant %u32 6\n"
3846
3847                 "%sc_0      = OpSpecConstant %f32 0.\n"
3848                 "%sc_1      = OpSpecConstant %f32 0.\n"
3849                 "%sc_2      = OpSpecConstant %f32 0.\n"
3850                 "%sc_3      = OpSpecConstant %f32 0.\n"
3851                 "%sc_4      = OpSpecConstant %f32 0.\n"
3852                 "%sc_5      = OpSpecConstant %f32 0.\n"
3853
3854                 "%sc_0_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_0\n"
3855                 "%sc_1_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_1\n"
3856                 "%sc_2_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_2\n"
3857                 "%sc_3_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_3\n"
3858                 "%sc_4_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_4\n"
3859                 "%sc_5_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_5\n"
3860
3861                 "%main      = OpFunction %void None %voidf\n"
3862                 "%label     = OpLabel\n"
3863                 "%idval     = OpLoad %uvec3 %id\n"
3864                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3865                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3866                 "%selector  = OpUMod %u32 %x %c_u32_6\n"
3867                 "            OpSelectionMerge %exit None\n"
3868                 "            OpSwitch %selector %exit 0 %case0 1 %case1 2 %case2 3 %case3 4 %case4 5 %case5\n"
3869
3870                 "%case0     = OpLabel\n"
3871                 "             OpStore %outloc %sc_0_quant\n"
3872                 "             OpBranch %exit\n"
3873
3874                 "%case1     = OpLabel\n"
3875                 "             OpStore %outloc %sc_1_quant\n"
3876                 "             OpBranch %exit\n"
3877
3878                 "%case2     = OpLabel\n"
3879                 "             OpStore %outloc %sc_2_quant\n"
3880                 "             OpBranch %exit\n"
3881
3882                 "%case3     = OpLabel\n"
3883                 "             OpStore %outloc %sc_3_quant\n"
3884                 "             OpBranch %exit\n"
3885
3886                 "%case4     = OpLabel\n"
3887                 "             OpStore %outloc %sc_4_quant\n"
3888                 "             OpBranch %exit\n"
3889
3890                 "%case5     = OpLabel\n"
3891                 "             OpStore %outloc %sc_5_quant\n"
3892                 "             OpBranch %exit\n"
3893
3894                 "%exit      = OpLabel\n"
3895                 "             OpReturn\n"
3896
3897                 "             OpFunctionEnd\n");
3898
3899         {
3900                 ComputeShaderSpec       spec;
3901                 const deUint8           numCases        = 4;
3902                 vector<float>           inputs          (numCases, 0.f);
3903                 vector<float>           outputs;
3904
3905                 spec.assembly           = shader;
3906                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
3907
3908                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::numeric_limits<float>::infinity()));
3909                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::numeric_limits<float>::infinity()));
3910                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, 16)));
3911                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, 32)));
3912
3913                 outputs.push_back(std::numeric_limits<float>::infinity());
3914                 outputs.push_back(-std::numeric_limits<float>::infinity());
3915                 outputs.push_back(std::numeric_limits<float>::infinity());
3916                 outputs.push_back(-std::numeric_limits<float>::infinity());
3917
3918                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
3919                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
3920
3921                 group->addChild(new SpvAsmComputeShaderCase(
3922                         testCtx, "infinities", "Check that infinities propagated and created", spec));
3923         }
3924
3925         {
3926                 ComputeShaderSpec       spec;
3927                 const deUint8           numCases        = 2;
3928                 vector<float>           inputs          (numCases, 0.f);
3929                 vector<float>           outputs;
3930
3931                 spec.assembly           = shader;
3932                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
3933                 spec.verifyIO           = &compareNan;
3934
3935                 outputs.push_back(std::numeric_limits<float>::quiet_NaN());
3936                 outputs.push_back(-std::numeric_limits<float>::quiet_NaN());
3937
3938                 for (deUint8 idx = 0; idx < numCases; ++idx)
3939                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
3940
3941                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
3942                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
3943
3944                 group->addChild(new SpvAsmComputeShaderCase(
3945                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
3946         }
3947
3948         {
3949                 ComputeShaderSpec       spec;
3950                 const deUint8           numCases        = 6;
3951                 vector<float>           inputs          (numCases, 0.f);
3952                 vector<float>           outputs;
3953
3954                 spec.assembly           = shader;
3955                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
3956
3957                 spec.specConstants.push_back(bitwiseCast<deUint32>(0.f));
3958                 spec.specConstants.push_back(bitwiseCast<deUint32>(-0.f));
3959                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -16)));
3960                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, -32)));
3961                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -127)));
3962                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::ldexp(1.0f, -128)));
3963
3964                 outputs.push_back(0.f);
3965                 outputs.push_back(-0.f);
3966                 outputs.push_back(0.f);
3967                 outputs.push_back(-0.f);
3968                 outputs.push_back(0.f);
3969                 outputs.push_back(-0.f);
3970
3971                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
3972                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
3973
3974                 group->addChild(new SpvAsmComputeShaderCase(
3975                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
3976         }
3977
3978         {
3979                 ComputeShaderSpec       spec;
3980                 const deUint8           numCases        = 6;
3981                 vector<float>           inputs          (numCases, 0.f);
3982                 vector<float>           outputs;
3983
3984                 spec.assembly           = shader;
3985                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
3986
3987                 for (deUint8 idx = 0; idx < 6; ++idx)
3988                 {
3989                         const float f = static_cast<float>(idx * 10 - 30) / 4.f;
3990                         spec.specConstants.push_back(bitwiseCast<deUint32>(f));
3991                         outputs.push_back(f);
3992                 }
3993
3994                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
3995                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
3996
3997                 group->addChild(new SpvAsmComputeShaderCase(
3998                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
3999         }
4000
4001         {
4002                 ComputeShaderSpec       spec;
4003                 const deUint8           numCases        = 4;
4004                 vector<float>           inputs          (numCases, 0.f);
4005                 vector<float>           outputs;
4006
4007                 spec.assembly           = shader;
4008                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
4009                 spec.verifyIO           = &compareOpQuantizeF16ComputeExactCase;
4010
4011                 outputs.push_back(constructNormalizedFloat(8, 0x300300));
4012                 outputs.push_back(-constructNormalizedFloat(-7, 0x600800));
4013                 outputs.push_back(constructNormalizedFloat(2, 0x01E000));
4014                 outputs.push_back(constructNormalizedFloat(1, 0xFFE000));
4015
4016                 for (deUint8 idx = 0; idx < numCases; ++idx)
4017                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
4018
4019                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
4020                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
4021
4022                 group->addChild(new SpvAsmComputeShaderCase(
4023                         testCtx, "rounded", "Check that are rounded when needed", spec));
4024         }
4025
4026         return group.release();
4027 }
4028
4029 // Checks that constant null/composite values can be used in computation.
4030 tcu::TestCaseGroup* createOpConstantUsageGroup (tcu::TestContext& testCtx)
4031 {
4032         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnullcomposite", "Spotcheck the OpConstantNull & OpConstantComposite instruction"));
4033         ComputeShaderSpec                               spec;
4034         de::Random                                              rnd                             (deStringHash(group->getName()));
4035         const int                                               numElements             = 100;
4036         vector<float>                                   positiveFloats  (numElements, 0);
4037         vector<float>                                   negativeFloats  (numElements, 0);
4038
4039         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4040
4041         for (size_t ndx = 0; ndx < numElements; ++ndx)
4042                 negativeFloats[ndx] = -positiveFloats[ndx];
4043
4044         spec.assembly =
4045                 "OpCapability Shader\n"
4046                 "%std450 = OpExtInstImport \"GLSL.std.450\"\n"
4047                 "OpMemoryModel Logical GLSL450\n"
4048                 "OpEntryPoint GLCompute %main \"main\" %id\n"
4049                 "OpExecutionMode %main LocalSize 1 1 1\n"
4050
4051                 "OpSource GLSL 430\n"
4052                 "OpName %main           \"main\"\n"
4053                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4054
4055                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4056
4057                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
4058
4059                 "%fmat      = OpTypeMatrix %fvec3 3\n"
4060                 "%ten       = OpConstant %u32 10\n"
4061                 "%f32arr10  = OpTypeArray %f32 %ten\n"
4062                 "%fst       = OpTypeStruct %f32 %f32\n"
4063
4064                 + string(getComputeAsmInputOutputBuffer()) +
4065
4066                 "%id        = OpVariable %uvec3ptr Input\n"
4067                 "%zero      = OpConstant %i32 0\n"
4068
4069                 // Create a bunch of null values
4070                 "%unull     = OpConstantNull %u32\n"
4071                 "%fnull     = OpConstantNull %f32\n"
4072                 "%vnull     = OpConstantNull %fvec3\n"
4073                 "%mnull     = OpConstantNull %fmat\n"
4074                 "%anull     = OpConstantNull %f32arr10\n"
4075                 "%snull     = OpConstantComposite %fst %fnull %fnull\n"
4076
4077                 "%main      = OpFunction %void None %voidf\n"
4078                 "%label     = OpLabel\n"
4079                 "%idval     = OpLoad %uvec3 %id\n"
4080                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4081                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4082                 "%inval     = OpLoad %f32 %inloc\n"
4083                 "%neg       = OpFNegate %f32 %inval\n"
4084
4085                 // Get the abs() of (a certain element of) those null values
4086                 "%unull_cov = OpConvertUToF %f32 %unull\n"
4087                 "%unull_abs = OpExtInst %f32 %std450 FAbs %unull_cov\n"
4088                 "%fnull_abs = OpExtInst %f32 %std450 FAbs %fnull\n"
4089                 "%vnull_0   = OpCompositeExtract %f32 %vnull 0\n"
4090                 "%vnull_abs = OpExtInst %f32 %std450 FAbs %vnull_0\n"
4091                 "%mnull_12  = OpCompositeExtract %f32 %mnull 1 2\n"
4092                 "%mnull_abs = OpExtInst %f32 %std450 FAbs %mnull_12\n"
4093                 "%anull_3   = OpCompositeExtract %f32 %anull 3\n"
4094                 "%anull_abs = OpExtInst %f32 %std450 FAbs %anull_3\n"
4095                 "%snull_1   = OpCompositeExtract %f32 %snull 1\n"
4096                 "%snull_abs = OpExtInst %f32 %std450 FAbs %snull_1\n"
4097
4098                 // Add them all
4099                 "%add1      = OpFAdd %f32 %neg  %unull_abs\n"
4100                 "%add2      = OpFAdd %f32 %add1 %fnull_abs\n"
4101                 "%add3      = OpFAdd %f32 %add2 %vnull_abs\n"
4102                 "%add4      = OpFAdd %f32 %add3 %mnull_abs\n"
4103                 "%add5      = OpFAdd %f32 %add4 %anull_abs\n"
4104                 "%final     = OpFAdd %f32 %add5 %snull_abs\n"
4105
4106                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4107                 "             OpStore %outloc %final\n" // write to output
4108                 "             OpReturn\n"
4109                 "             OpFunctionEnd\n";
4110         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4111         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4112         spec.numWorkGroups = IVec3(numElements, 1, 1);
4113
4114         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "Check that values constructed via OpConstantNull & OpConstantComposite can be used", spec));
4115
4116         return group.release();
4117 }
4118
4119 // Assembly code used for testing loop control is based on GLSL source code:
4120 // #version 430
4121 //
4122 // layout(std140, set = 0, binding = 0) readonly buffer Input {
4123 //   float elements[];
4124 // } input_data;
4125 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
4126 //   float elements[];
4127 // } output_data;
4128 //
4129 // void main() {
4130 //   uint x = gl_GlobalInvocationID.x;
4131 //   output_data.elements[x] = input_data.elements[x];
4132 //   for (uint i = 0; i < 4; ++i)
4133 //     output_data.elements[x] += 1.f;
4134 // }
4135 tcu::TestCaseGroup* createLoopControlGroup (tcu::TestContext& testCtx)
4136 {
4137         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "loop_control", "Tests loop control cases"));
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                 "OpSource GLSL 430\n"
4147                 "OpName %main \"main\"\n"
4148                 "OpName %id \"gl_GlobalInvocationID\"\n"
4149
4150                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4151
4152                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4153
4154                 "%u32ptr      = OpTypePointer Function %u32\n"
4155
4156                 "%id          = OpVariable %uvec3ptr Input\n"
4157                 "%zero        = OpConstant %i32 0\n"
4158                 "%uzero       = OpConstant %u32 0\n"
4159                 "%one         = OpConstant %i32 1\n"
4160                 "%constf1     = OpConstant %f32 1.0\n"
4161                 "%four        = OpConstant %u32 4\n"
4162
4163                 "%main        = OpFunction %void None %voidf\n"
4164                 "%entry       = OpLabel\n"
4165                 "%i           = OpVariable %u32ptr Function\n"
4166                 "               OpStore %i %uzero\n"
4167
4168                 "%idval       = OpLoad %uvec3 %id\n"
4169                 "%x           = OpCompositeExtract %u32 %idval 0\n"
4170                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
4171                 "%inval       = OpLoad %f32 %inloc\n"
4172                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
4173                 "               OpStore %outloc %inval\n"
4174                 "               OpBranch %loop_entry\n"
4175
4176                 "%loop_entry  = OpLabel\n"
4177                 "%i_val       = OpLoad %u32 %i\n"
4178                 "%cmp_lt      = OpULessThan %bool %i_val %four\n"
4179                 "               OpLoopMerge %loop_merge %loop_body ${CONTROL}\n"
4180                 "               OpBranchConditional %cmp_lt %loop_body %loop_merge\n"
4181                 "%loop_body   = OpLabel\n"
4182                 "%outval      = OpLoad %f32 %outloc\n"
4183                 "%addf1       = OpFAdd %f32 %outval %constf1\n"
4184                 "               OpStore %outloc %addf1\n"
4185                 "%new_i       = OpIAdd %u32 %i_val %one\n"
4186                 "               OpStore %i %new_i\n"
4187                 "               OpBranch %loop_entry\n"
4188                 "%loop_merge  = OpLabel\n"
4189                 "               OpReturn\n"
4190                 "               OpFunctionEnd\n");
4191
4192         cases.push_back(CaseParameter("none",                           "None"));
4193         cases.push_back(CaseParameter("unroll",                         "Unroll"));
4194         cases.push_back(CaseParameter("dont_unroll",            "DontUnroll"));
4195         cases.push_back(CaseParameter("unroll_dont_unroll",     "Unroll|DontUnroll"));
4196
4197         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
4198
4199         for (size_t ndx = 0; ndx < numElements; ++ndx)
4200                 outputFloats[ndx] = inputFloats[ndx] + 4.f;
4201
4202         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4203         {
4204                 map<string, string>             specializations;
4205                 ComputeShaderSpec               spec;
4206
4207                 specializations["CONTROL"] = cases[caseNdx].param;
4208                 spec.assembly = shaderTemplate.specialize(specializations);
4209                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4210                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
4211                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4212
4213                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4214         }
4215
4216         group->addChild(new SpvAsmLoopControlDependencyLengthCase(testCtx, "dependency_length", "dependency_length"));
4217         group->addChild(new SpvAsmLoopControlDependencyInfiniteCase(testCtx, "dependency_infinite", "dependency_infinite"));
4218
4219         return group.release();
4220 }
4221
4222 // Assembly code used for testing selection control is based on GLSL source code:
4223 // #version 430
4224 //
4225 // layout(std140, set = 0, binding = 0) readonly buffer Input {
4226 //   float elements[];
4227 // } input_data;
4228 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
4229 //   float elements[];
4230 // } output_data;
4231 //
4232 // void main() {
4233 //   uint x = gl_GlobalInvocationID.x;
4234 //   float val = input_data.elements[x];
4235 //   if (val > 10.f)
4236 //     output_data.elements[x] = val + 1.f;
4237 //   else
4238 //     output_data.elements[x] = val - 1.f;
4239 // }
4240 tcu::TestCaseGroup* createSelectionControlGroup (tcu::TestContext& testCtx)
4241 {
4242         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "selection_control", "Tests selection control cases"));
4243         vector<CaseParameter>                   cases;
4244         de::Random                                              rnd                             (deStringHash(group->getName()));
4245         const int                                               numElements             = 100;
4246         vector<float>                                   inputFloats             (numElements, 0);
4247         vector<float>                                   outputFloats    (numElements, 0);
4248         const StringTemplate                    shaderTemplate  (
4249                 string(getComputeAsmShaderPreamble()) +
4250
4251                 "OpSource GLSL 430\n"
4252                 "OpName %main \"main\"\n"
4253                 "OpName %id \"gl_GlobalInvocationID\"\n"
4254
4255                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4256
4257                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4258
4259                 "%id       = OpVariable %uvec3ptr Input\n"
4260                 "%zero     = OpConstant %i32 0\n"
4261                 "%constf1  = OpConstant %f32 1.0\n"
4262                 "%constf10 = OpConstant %f32 10.0\n"
4263
4264                 "%main     = OpFunction %void None %voidf\n"
4265                 "%entry    = OpLabel\n"
4266                 "%idval    = OpLoad %uvec3 %id\n"
4267                 "%x        = OpCompositeExtract %u32 %idval 0\n"
4268                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
4269                 "%inval    = OpLoad %f32 %inloc\n"
4270                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
4271                 "%cmp_gt   = OpFOrdGreaterThan %bool %inval %constf10\n"
4272
4273                 "            OpSelectionMerge %if_end ${CONTROL}\n"
4274                 "            OpBranchConditional %cmp_gt %if_true %if_false\n"
4275                 "%if_true  = OpLabel\n"
4276                 "%addf1    = OpFAdd %f32 %inval %constf1\n"
4277                 "            OpStore %outloc %addf1\n"
4278                 "            OpBranch %if_end\n"
4279                 "%if_false = OpLabel\n"
4280                 "%subf1    = OpFSub %f32 %inval %constf1\n"
4281                 "            OpStore %outloc %subf1\n"
4282                 "            OpBranch %if_end\n"
4283                 "%if_end   = OpLabel\n"
4284                 "            OpReturn\n"
4285                 "            OpFunctionEnd\n");
4286
4287         cases.push_back(CaseParameter("none",                                   "None"));
4288         cases.push_back(CaseParameter("flatten",                                "Flatten"));
4289         cases.push_back(CaseParameter("dont_flatten",                   "DontFlatten"));
4290         cases.push_back(CaseParameter("flatten_dont_flatten",   "DontFlatten|Flatten"));
4291
4292         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
4293
4294         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
4295         floorAll(inputFloats);
4296
4297         for (size_t ndx = 0; ndx < numElements; ++ndx)
4298                 outputFloats[ndx] = inputFloats[ndx] + (inputFloats[ndx] > 10.f ? 1.f : -1.f);
4299
4300         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4301         {
4302                 map<string, string>             specializations;
4303                 ComputeShaderSpec               spec;
4304
4305                 specializations["CONTROL"] = cases[caseNdx].param;
4306                 spec.assembly = shaderTemplate.specialize(specializations);
4307                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4308                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
4309                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4310
4311                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4312         }
4313
4314         return group.release();
4315 }
4316
4317 // Assembly code used for testing function control is based on GLSL source code:
4318 //
4319 // #version 430
4320 //
4321 // layout(std140, set = 0, binding = 0) readonly buffer Input {
4322 //   float elements[];
4323 // } input_data;
4324 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
4325 //   float elements[];
4326 // } output_data;
4327 //
4328 // float const10() { return 10.f; }
4329 //
4330 // void main() {
4331 //   uint x = gl_GlobalInvocationID.x;
4332 //   output_data.elements[x] = input_data.elements[x] + const10();
4333 // }
4334 tcu::TestCaseGroup* createFunctionControlGroup (tcu::TestContext& testCtx)
4335 {
4336         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "function_control", "Tests function control cases"));
4337         vector<CaseParameter>                   cases;
4338         de::Random                                              rnd                             (deStringHash(group->getName()));
4339         const int                                               numElements             = 100;
4340         vector<float>                                   inputFloats             (numElements, 0);
4341         vector<float>                                   outputFloats    (numElements, 0);
4342         const StringTemplate                    shaderTemplate  (
4343                 string(getComputeAsmShaderPreamble()) +
4344
4345                 "OpSource GLSL 430\n"
4346                 "OpName %main \"main\"\n"
4347                 "OpName %func_const10 \"const10(\"\n"
4348                 "OpName %id \"gl_GlobalInvocationID\"\n"
4349
4350                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4351
4352                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4353
4354                 "%f32f = OpTypeFunction %f32\n"
4355                 "%id = OpVariable %uvec3ptr Input\n"
4356                 "%zero = OpConstant %i32 0\n"
4357                 "%constf10 = OpConstant %f32 10.0\n"
4358
4359                 "%main         = OpFunction %void None %voidf\n"
4360                 "%entry        = OpLabel\n"
4361                 "%idval        = OpLoad %uvec3 %id\n"
4362                 "%x            = OpCompositeExtract %u32 %idval 0\n"
4363                 "%inloc        = OpAccessChain %f32ptr %indata %zero %x\n"
4364                 "%inval        = OpLoad %f32 %inloc\n"
4365                 "%ret_10       = OpFunctionCall %f32 %func_const10\n"
4366                 "%fadd         = OpFAdd %f32 %inval %ret_10\n"
4367                 "%outloc       = OpAccessChain %f32ptr %outdata %zero %x\n"
4368                 "                OpStore %outloc %fadd\n"
4369                 "                OpReturn\n"
4370                 "                OpFunctionEnd\n"
4371
4372                 "%func_const10 = OpFunction %f32 ${CONTROL} %f32f\n"
4373                 "%label        = OpLabel\n"
4374                 "                OpReturnValue %constf10\n"
4375                 "                OpFunctionEnd\n");
4376
4377         cases.push_back(CaseParameter("none",                                           "None"));
4378         cases.push_back(CaseParameter("inline",                                         "Inline"));
4379         cases.push_back(CaseParameter("dont_inline",                            "DontInline"));
4380         cases.push_back(CaseParameter("pure",                                           "Pure"));
4381         cases.push_back(CaseParameter("const",                                          "Const"));
4382         cases.push_back(CaseParameter("inline_pure",                            "Inline|Pure"));
4383         cases.push_back(CaseParameter("const_dont_inline",                      "Const|DontInline"));
4384         cases.push_back(CaseParameter("inline_dont_inline",                     "Inline|DontInline"));
4385         cases.push_back(CaseParameter("pure_inline_dont_inline",        "Pure|Inline|DontInline"));
4386
4387         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
4388
4389         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
4390         floorAll(inputFloats);
4391
4392         for (size_t ndx = 0; ndx < numElements; ++ndx)
4393                 outputFloats[ndx] = inputFloats[ndx] + 10.f;
4394
4395         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4396         {
4397                 map<string, string>             specializations;
4398                 ComputeShaderSpec               spec;
4399
4400                 specializations["CONTROL"] = cases[caseNdx].param;
4401                 spec.assembly = shaderTemplate.specialize(specializations);
4402                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4403                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
4404                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4405
4406                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4407         }
4408
4409         return group.release();
4410 }
4411
4412 tcu::TestCaseGroup* createMemoryAccessGroup (tcu::TestContext& testCtx)
4413 {
4414         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "memory_access", "Tests memory access cases"));
4415         vector<CaseParameter>                   cases;
4416         de::Random                                              rnd                             (deStringHash(group->getName()));
4417         const int                                               numElements             = 100;
4418         vector<float>                                   inputFloats             (numElements, 0);
4419         vector<float>                                   outputFloats    (numElements, 0);
4420         const StringTemplate                    shaderTemplate  (
4421                 string(getComputeAsmShaderPreamble()) +
4422
4423                 "OpSource GLSL 430\n"
4424                 "OpName %main           \"main\"\n"
4425                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4426
4427                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4428
4429                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
4430
4431                 "%f32ptr_f  = OpTypePointer Function %f32\n"
4432
4433                 "%id        = OpVariable %uvec3ptr Input\n"
4434                 "%zero      = OpConstant %i32 0\n"
4435                 "%four      = OpConstant %i32 4\n"
4436
4437                 "%main      = OpFunction %void None %voidf\n"
4438                 "%label     = OpLabel\n"
4439                 "%copy      = OpVariable %f32ptr_f Function\n"
4440                 "%idval     = OpLoad %uvec3 %id ${ACCESS}\n"
4441                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4442                 "%inloc     = OpAccessChain %f32ptr %indata  %zero %x\n"
4443                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4444                 "             OpCopyMemory %copy %inloc ${ACCESS}\n"
4445                 "%val1      = OpLoad %f32 %copy\n"
4446                 "%val2      = OpLoad %f32 %inloc\n"
4447                 "%add       = OpFAdd %f32 %val1 %val2\n"
4448                 "             OpStore %outloc %add ${ACCESS}\n"
4449                 "             OpReturn\n"
4450                 "             OpFunctionEnd\n");
4451
4452         cases.push_back(CaseParameter("null",                                   ""));
4453         cases.push_back(CaseParameter("none",                                   "None"));
4454         cases.push_back(CaseParameter("volatile",                               "Volatile"));
4455         cases.push_back(CaseParameter("aligned",                                "Aligned 4"));
4456         cases.push_back(CaseParameter("nontemporal",                    "Nontemporal"));
4457         cases.push_back(CaseParameter("aligned_nontemporal",    "Aligned|Nontemporal 4"));
4458         cases.push_back(CaseParameter("aligned_volatile",               "Volatile|Aligned 4"));
4459
4460         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
4461
4462         for (size_t ndx = 0; ndx < numElements; ++ndx)
4463                 outputFloats[ndx] = inputFloats[ndx] + inputFloats[ndx];
4464
4465         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4466         {
4467                 map<string, string>             specializations;
4468                 ComputeShaderSpec               spec;
4469
4470                 specializations["ACCESS"] = cases[caseNdx].param;
4471                 spec.assembly = shaderTemplate.specialize(specializations);
4472                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
4473                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
4474                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4475
4476                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4477         }
4478
4479         return group.release();
4480 }
4481
4482 // Checks that we can get undefined values for various types, without exercising a computation with it.
4483 tcu::TestCaseGroup* createOpUndefGroup (tcu::TestContext& testCtx)
4484 {
4485         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opundef", "Tests the OpUndef instruction"));
4486         vector<CaseParameter>                   cases;
4487         de::Random                                              rnd                             (deStringHash(group->getName()));
4488         const int                                               numElements             = 100;
4489         vector<float>                                   positiveFloats  (numElements, 0);
4490         vector<float>                                   negativeFloats  (numElements, 0);
4491         const StringTemplate                    shaderTemplate  (
4492                 string(getComputeAsmShaderPreamble()) +
4493
4494                 "OpSource GLSL 430\n"
4495                 "OpName %main           \"main\"\n"
4496                 "OpName %id             \"gl_GlobalInvocationID\"\n"
4497
4498                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
4499
4500                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
4501                 "%uvec2     = OpTypeVector %u32 2\n"
4502                 "%fvec4     = OpTypeVector %f32 4\n"
4503                 "%fmat33    = OpTypeMatrix %fvec3 3\n"
4504                 "%image     = OpTypeImage %f32 2D 0 0 0 1 Unknown\n"
4505                 "%sampler   = OpTypeSampler\n"
4506                 "%simage    = OpTypeSampledImage %image\n"
4507                 "%const100  = OpConstant %u32 100\n"
4508                 "%uarr100   = OpTypeArray %i32 %const100\n"
4509                 "%struct    = OpTypeStruct %f32 %i32 %u32\n"
4510                 "%pointer   = OpTypePointer Function %i32\n"
4511                 + string(getComputeAsmInputOutputBuffer()) +
4512
4513                 "%id        = OpVariable %uvec3ptr Input\n"
4514                 "%zero      = OpConstant %i32 0\n"
4515
4516                 "%main      = OpFunction %void None %voidf\n"
4517                 "%label     = OpLabel\n"
4518
4519                 "%undef     = OpUndef ${TYPE}\n"
4520
4521                 "%idval     = OpLoad %uvec3 %id\n"
4522                 "%x         = OpCompositeExtract %u32 %idval 0\n"
4523
4524                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
4525                 "%inval     = OpLoad %f32 %inloc\n"
4526                 "%neg       = OpFNegate %f32 %inval\n"
4527                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
4528                 "             OpStore %outloc %neg\n"
4529                 "             OpReturn\n"
4530                 "             OpFunctionEnd\n");
4531
4532         cases.push_back(CaseParameter("bool",                   "%bool"));
4533         cases.push_back(CaseParameter("sint32",                 "%i32"));
4534         cases.push_back(CaseParameter("uint32",                 "%u32"));
4535         cases.push_back(CaseParameter("float32",                "%f32"));
4536         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
4537         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
4538         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
4539         cases.push_back(CaseParameter("image",                  "%image"));
4540         cases.push_back(CaseParameter("sampler",                "%sampler"));
4541         cases.push_back(CaseParameter("sampledimage",   "%simage"));
4542         cases.push_back(CaseParameter("array",                  "%uarr100"));
4543         cases.push_back(CaseParameter("runtimearray",   "%f32arr"));
4544         cases.push_back(CaseParameter("struct",                 "%struct"));
4545         cases.push_back(CaseParameter("pointer",                "%pointer"));
4546
4547         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
4548
4549         for (size_t ndx = 0; ndx < numElements; ++ndx)
4550                 negativeFloats[ndx] = -positiveFloats[ndx];
4551
4552         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4553         {
4554                 map<string, string>             specializations;
4555                 ComputeShaderSpec               spec;
4556
4557                 specializations["TYPE"] = cases[caseNdx].param;
4558                 spec.assembly = shaderTemplate.specialize(specializations);
4559                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
4560                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
4561                 spec.numWorkGroups = IVec3(numElements, 1, 1);
4562
4563                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
4564         }
4565
4566                 return group.release();
4567 }
4568 } // anonymous
4569
4570 tcu::TestCaseGroup* createOpSourceTests (tcu::TestContext& testCtx)
4571 {
4572         struct NameCodePair { string name, code; };
4573         RGBA                                                    defaultColors[4];
4574         de::MovePtr<tcu::TestCaseGroup> opSourceTests                   (new tcu::TestCaseGroup(testCtx, "opsource", "OpSource instruction"));
4575         const std::string                               opsourceGLSLWithFile    = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile ";
4576         map<string, string>                             fragments                               = passthruFragments();
4577         const NameCodePair                              tests[]                                 =
4578         {
4579                 {"unknown", "OpSource Unknown 321"},
4580                 {"essl", "OpSource ESSL 310"},
4581                 {"glsl", "OpSource GLSL 450"},
4582                 {"opencl_cpp", "OpSource OpenCL_CPP 120"},
4583                 {"opencl_c", "OpSource OpenCL_C 120"},
4584                 {"multiple", "OpSource GLSL 450\nOpSource GLSL 450"},
4585                 {"file", opsourceGLSLWithFile},
4586                 {"source", opsourceGLSLWithFile + "\"void main(){}\""},
4587                 // Longest possible source string: SPIR-V limits instructions to 65535
4588                 // words, of which the first 4 are opsourceGLSLWithFile; the rest will
4589                 // contain 65530 UTF8 characters (one word each) plus one last word
4590                 // containing 3 ASCII characters and \0.
4591                 {"longsource", opsourceGLSLWithFile + '"' + makeLongUTF8String(65530) + "ccc" + '"'}
4592         };
4593
4594         getDefaultColors(defaultColors);
4595         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
4596         {
4597                 fragments["debug"] = tests[testNdx].code;
4598                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
4599         }
4600
4601         return opSourceTests.release();
4602 }
4603
4604 tcu::TestCaseGroup* createOpSourceContinuedTests (tcu::TestContext& testCtx)
4605 {
4606         struct NameCodePair { string name, code; };
4607         RGBA                                                            defaultColors[4];
4608         de::MovePtr<tcu::TestCaseGroup>         opSourceTests           (new tcu::TestCaseGroup(testCtx, "opsourcecontinued", "OpSourceContinued instruction"));
4609         map<string, string>                                     fragments                       = passthruFragments();
4610         const std::string                                       opsource                        = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile \"void main(){}\"\n";
4611         const NameCodePair                                      tests[]                         =
4612         {
4613                 {"empty", opsource + "OpSourceContinued \"\""},
4614                 {"short", opsource + "OpSourceContinued \"abcde\""},
4615                 {"multiple", opsource + "OpSourceContinued \"abcde\"\nOpSourceContinued \"fghij\""},
4616                 // Longest possible source string: SPIR-V limits instructions to 65535
4617                 // words, of which the first one is OpSourceContinued/length; the rest
4618                 // will contain 65533 UTF8 characters (one word each) plus one last word
4619                 // containing 3 ASCII characters and \0.
4620                 {"long", opsource + "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\""}
4621         };
4622
4623         getDefaultColors(defaultColors);
4624         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
4625         {
4626                 fragments["debug"] = tests[testNdx].code;
4627                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
4628         }
4629
4630         return opSourceTests.release();
4631 }
4632 tcu::TestCaseGroup* createOpNoLineTests(tcu::TestContext& testCtx)
4633 {
4634         RGBA                                                             defaultColors[4];
4635         de::MovePtr<tcu::TestCaseGroup>          opLineTests             (new tcu::TestCaseGroup(testCtx, "opnoline", "OpNoLine instruction"));
4636         map<string, string>                                      fragments;
4637         getDefaultColors(defaultColors);
4638         fragments["debug"]                      =
4639                 "%name = OpString \"name\"\n";
4640
4641         fragments["pre_main"]   =
4642                 "OpNoLine\n"
4643                 "OpNoLine\n"
4644                 "OpLine %name 1 1\n"
4645                 "OpNoLine\n"
4646                 "OpLine %name 1 1\n"
4647                 "OpLine %name 1 1\n"
4648                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
4649                 "OpNoLine\n"
4650                 "OpLine %name 1 1\n"
4651                 "OpNoLine\n"
4652                 "OpLine %name 1 1\n"
4653                 "OpLine %name 1 1\n"
4654                 "%second_param1 = OpFunctionParameter %v4f32\n"
4655                 "OpNoLine\n"
4656                 "OpNoLine\n"
4657                 "%label_secondfunction = OpLabel\n"
4658                 "OpNoLine\n"
4659                 "OpReturnValue %second_param1\n"
4660                 "OpFunctionEnd\n"
4661                 "OpNoLine\n"
4662                 "OpNoLine\n";
4663
4664         fragments["testfun"]            =
4665                 // A %test_code function that returns its argument unchanged.
4666                 "OpNoLine\n"
4667                 "OpNoLine\n"
4668                 "OpLine %name 1 1\n"
4669                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4670                 "OpNoLine\n"
4671                 "%param1 = OpFunctionParameter %v4f32\n"
4672                 "OpNoLine\n"
4673                 "OpNoLine\n"
4674                 "%label_testfun = OpLabel\n"
4675                 "OpNoLine\n"
4676                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
4677                 "OpReturnValue %val1\n"
4678                 "OpFunctionEnd\n"
4679                 "OpLine %name 1 1\n"
4680                 "OpNoLine\n";
4681
4682         createTestsForAllStages("opnoline", defaultColors, defaultColors, fragments, opLineTests.get());
4683
4684         return opLineTests.release();
4685 }
4686
4687 tcu::TestCaseGroup* createOpModuleProcessedTests(tcu::TestContext& testCtx)
4688 {
4689         RGBA                                                            defaultColors[4];
4690         de::MovePtr<tcu::TestCaseGroup>         opModuleProcessedTests                  (new tcu::TestCaseGroup(testCtx, "opmoduleprocessed", "OpModuleProcessed instruction"));
4691         map<string, string>                                     fragments;
4692         std::vector<std::string>                        noExtensions;
4693         GraphicsResources                                       resources;
4694
4695         getDefaultColors(defaultColors);
4696         resources.verifyBinary = veryfiBinaryShader;
4697         resources.spirvVersion = SPIRV_VERSION_1_3;
4698
4699         fragments["moduleprocessed"]                                                    =
4700                 "OpModuleProcessed \"VULKAN CTS\"\n"
4701                 "OpModuleProcessed \"Negative values\"\n"
4702                 "OpModuleProcessed \"Date: 2017/09/21\"\n";
4703
4704         fragments["pre_main"]   =
4705                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
4706                 "%second_param1 = OpFunctionParameter %v4f32\n"
4707                 "%label_secondfunction = OpLabel\n"
4708                 "OpReturnValue %second_param1\n"
4709                 "OpFunctionEnd\n";
4710
4711         fragments["testfun"]            =
4712                 // A %test_code function that returns its argument unchanged.
4713                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4714                 "%param1 = OpFunctionParameter %v4f32\n"
4715                 "%label_testfun = OpLabel\n"
4716                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
4717                 "OpReturnValue %val1\n"
4718                 "OpFunctionEnd\n";
4719
4720         createTestsForAllStages ("opmoduleprocessed", defaultColors, defaultColors, fragments, resources, noExtensions, opModuleProcessedTests.get());
4721
4722         return opModuleProcessedTests.release();
4723 }
4724
4725
4726 tcu::TestCaseGroup* createOpLineTests(tcu::TestContext& testCtx)
4727 {
4728         RGBA                                                                                                    defaultColors[4];
4729         de::MovePtr<tcu::TestCaseGroup>                                                 opLineTests                     (new tcu::TestCaseGroup(testCtx, "opline", "OpLine instruction"));
4730         map<string, string>                                                                             fragments;
4731         std::vector<std::pair<std::string, std::string> >               problemStrings;
4732
4733         problemStrings.push_back(std::make_pair<std::string, std::string>("empty_name", ""));
4734         problemStrings.push_back(std::make_pair<std::string, std::string>("short_name", "short_name"));
4735         problemStrings.push_back(std::make_pair<std::string, std::string>("long_name", makeLongUTF8String(65530) + "ccc"));
4736         getDefaultColors(defaultColors);
4737
4738         fragments["debug"]                      =
4739                 "%other_name = OpString \"other_name\"\n";
4740
4741         fragments["pre_main"]   =
4742                 "OpLine %file_name 32 0\n"
4743                 "OpLine %file_name 32 32\n"
4744                 "OpLine %file_name 32 40\n"
4745                 "OpLine %other_name 32 40\n"
4746                 "OpLine %other_name 0 100\n"
4747                 "OpLine %other_name 0 4294967295\n"
4748                 "OpLine %other_name 4294967295 0\n"
4749                 "OpLine %other_name 32 40\n"
4750                 "OpLine %file_name 0 0\n"
4751                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
4752                 "OpLine %file_name 1 0\n"
4753                 "%second_param1 = OpFunctionParameter %v4f32\n"
4754                 "OpLine %file_name 1 3\n"
4755                 "OpLine %file_name 1 2\n"
4756                 "%label_secondfunction = OpLabel\n"
4757                 "OpLine %file_name 0 2\n"
4758                 "OpReturnValue %second_param1\n"
4759                 "OpFunctionEnd\n"
4760                 "OpLine %file_name 0 2\n"
4761                 "OpLine %file_name 0 2\n";
4762
4763         fragments["testfun"]            =
4764                 // A %test_code function that returns its argument unchanged.
4765                 "OpLine %file_name 1 0\n"
4766                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4767                 "OpLine %file_name 16 330\n"
4768                 "%param1 = OpFunctionParameter %v4f32\n"
4769                 "OpLine %file_name 14 442\n"
4770                 "%label_testfun = OpLabel\n"
4771                 "OpLine %file_name 11 1024\n"
4772                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
4773                 "OpLine %file_name 2 97\n"
4774                 "OpReturnValue %val1\n"
4775                 "OpFunctionEnd\n"
4776                 "OpLine %file_name 5 32\n";
4777
4778         for (size_t i = 0; i < problemStrings.size(); ++i)
4779         {
4780                 map<string, string> testFragments = fragments;
4781                 testFragments["debug"] += "%file_name = OpString \"" + problemStrings[i].second + "\"\n";
4782                 createTestsForAllStages(string("opline") + "_" + problemStrings[i].first, defaultColors, defaultColors, testFragments, opLineTests.get());
4783         }
4784
4785         return opLineTests.release();
4786 }
4787
4788 tcu::TestCaseGroup* createOpConstantNullTests(tcu::TestContext& testCtx)
4789 {
4790         de::MovePtr<tcu::TestCaseGroup> opConstantNullTests             (new tcu::TestCaseGroup(testCtx, "opconstantnull", "OpConstantNull instruction"));
4791         RGBA                                                    colors[4];
4792
4793
4794         const char                                              functionStart[] =
4795                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4796                 "%param1 = OpFunctionParameter %v4f32\n"
4797                 "%lbl    = OpLabel\n";
4798
4799         const char                                              functionEnd[]   =
4800                 "OpReturnValue %transformed_param\n"
4801                 "OpFunctionEnd\n";
4802
4803         struct NameConstantsCode
4804         {
4805                 string name;
4806                 string constants;
4807                 string code;
4808         };
4809
4810         NameConstantsCode tests[] =
4811         {
4812                 {
4813                         "vec4",
4814                         "%cnull = OpConstantNull %v4f32\n",
4815                         "%transformed_param = OpFAdd %v4f32 %param1 %cnull\n"
4816                 },
4817                 {
4818                         "float",
4819                         "%cnull = OpConstantNull %f32\n",
4820                         "%vp = OpVariable %fp_v4f32 Function\n"
4821                         "%v  = OpLoad %v4f32 %vp\n"
4822                         "%v0 = OpVectorInsertDynamic %v4f32 %v %cnull %c_i32_0\n"
4823                         "%v1 = OpVectorInsertDynamic %v4f32 %v0 %cnull %c_i32_1\n"
4824                         "%v2 = OpVectorInsertDynamic %v4f32 %v1 %cnull %c_i32_2\n"
4825                         "%v3 = OpVectorInsertDynamic %v4f32 %v2 %cnull %c_i32_3\n"
4826                         "%transformed_param = OpFAdd %v4f32 %param1 %v3\n"
4827                 },
4828                 {
4829                         "bool",
4830                         "%cnull             = OpConstantNull %bool\n",
4831                         "%v                 = OpVariable %fp_v4f32 Function\n"
4832                         "                     OpStore %v %param1\n"
4833                         "                     OpSelectionMerge %false_label None\n"
4834                         "                     OpBranchConditional %cnull %true_label %false_label\n"
4835                         "%true_label        = OpLabel\n"
4836                         "                     OpStore %v %c_v4f32_0_5_0_5_0_5_0_5\n"
4837                         "                     OpBranch %false_label\n"
4838                         "%false_label       = OpLabel\n"
4839                         "%transformed_param = OpLoad %v4f32 %v\n"
4840                 },
4841                 {
4842                         "i32",
4843                         "%cnull             = OpConstantNull %i32\n",
4844                         "%v                 = OpVariable %fp_v4f32 Function %c_v4f32_0_5_0_5_0_5_0_5\n"
4845                         "%b                 = OpIEqual %bool %cnull %c_i32_0\n"
4846                         "                     OpSelectionMerge %false_label None\n"
4847                         "                     OpBranchConditional %b %true_label %false_label\n"
4848                         "%true_label        = OpLabel\n"
4849                         "                     OpStore %v %param1\n"
4850                         "                     OpBranch %false_label\n"
4851                         "%false_label       = OpLabel\n"
4852                         "%transformed_param = OpLoad %v4f32 %v\n"
4853                 },
4854                 {
4855                         "struct",
4856                         "%stype             = OpTypeStruct %f32 %v4f32\n"
4857                         "%fp_stype          = OpTypePointer Function %stype\n"
4858                         "%cnull             = OpConstantNull %stype\n",
4859                         "%v                 = OpVariable %fp_stype Function %cnull\n"
4860                         "%f                 = OpAccessChain %fp_v4f32 %v %c_i32_1\n"
4861                         "%f_val             = OpLoad %v4f32 %f\n"
4862                         "%transformed_param = OpFAdd %v4f32 %param1 %f_val\n"
4863                 },
4864                 {
4865                         "array",
4866                         "%a4_v4f32          = OpTypeArray %v4f32 %c_u32_4\n"
4867                         "%fp_a4_v4f32       = OpTypePointer Function %a4_v4f32\n"
4868                         "%cnull             = OpConstantNull %a4_v4f32\n",
4869                         "%v                 = OpVariable %fp_a4_v4f32 Function %cnull\n"
4870                         "%f                 = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
4871                         "%f1                = OpAccessChain %fp_v4f32 %v %c_u32_1\n"
4872                         "%f2                = OpAccessChain %fp_v4f32 %v %c_u32_2\n"
4873                         "%f3                = OpAccessChain %fp_v4f32 %v %c_u32_3\n"
4874                         "%f_val             = OpLoad %v4f32 %f\n"
4875                         "%f1_val            = OpLoad %v4f32 %f1\n"
4876                         "%f2_val            = OpLoad %v4f32 %f2\n"
4877                         "%f3_val            = OpLoad %v4f32 %f3\n"
4878                         "%t0                = OpFAdd %v4f32 %param1 %f_val\n"
4879                         "%t1                = OpFAdd %v4f32 %t0 %f1_val\n"
4880                         "%t2                = OpFAdd %v4f32 %t1 %f2_val\n"
4881                         "%transformed_param = OpFAdd %v4f32 %t2 %f3_val\n"
4882                 },
4883                 {
4884                         "matrix",
4885                         "%mat4x4_f32        = OpTypeMatrix %v4f32 4\n"
4886                         "%cnull             = OpConstantNull %mat4x4_f32\n",
4887                         // Our null matrix * any vector should result in a zero vector.
4888                         "%v                 = OpVectorTimesMatrix %v4f32 %param1 %cnull\n"
4889                         "%transformed_param = OpFAdd %v4f32 %param1 %v\n"
4890                 }
4891         };
4892
4893         getHalfColorsFullAlpha(colors);
4894
4895         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
4896         {
4897                 map<string, string> fragments;
4898                 fragments["pre_main"] = tests[testNdx].constants;
4899                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
4900                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, opConstantNullTests.get());
4901         }
4902         return opConstantNullTests.release();
4903 }
4904 tcu::TestCaseGroup* createOpConstantCompositeTests(tcu::TestContext& testCtx)
4905 {
4906         de::MovePtr<tcu::TestCaseGroup> opConstantCompositeTests                (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "OpConstantComposite instruction"));
4907         RGBA                                                    inputColors[4];
4908         RGBA                                                    outputColors[4];
4909
4910
4911         const char                                              functionStart[]  =
4912                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4913                 "%param1 = OpFunctionParameter %v4f32\n"
4914                 "%lbl    = OpLabel\n";
4915
4916         const char                                              functionEnd[]           =
4917                 "OpReturnValue %transformed_param\n"
4918                 "OpFunctionEnd\n";
4919
4920         struct NameConstantsCode
4921         {
4922                 string name;
4923                 string constants;
4924                 string code;
4925         };
4926
4927         NameConstantsCode tests[] =
4928         {
4929                 {
4930                         "vec4",
4931
4932                         "%cval              = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0\n",
4933                         "%transformed_param = OpFAdd %v4f32 %param1 %cval\n"
4934                 },
4935                 {
4936                         "struct",
4937
4938                         "%stype             = OpTypeStruct %v4f32 %f32\n"
4939                         "%fp_stype          = OpTypePointer Function %stype\n"
4940                         "%f32_n_1           = OpConstant %f32 -1.0\n"
4941                         "%f32_1_5           = OpConstant %f32 !0x3fc00000\n" // +1.5
4942                         "%cvec              = OpConstantComposite %v4f32 %f32_1_5 %f32_1_5 %f32_1_5 %c_f32_1\n"
4943                         "%cval              = OpConstantComposite %stype %cvec %f32_n_1\n",
4944
4945                         "%v                 = OpVariable %fp_stype Function %cval\n"
4946                         "%vec_ptr           = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
4947                         "%f32_ptr           = OpAccessChain %fp_f32 %v %c_u32_1\n"
4948                         "%vec_val           = OpLoad %v4f32 %vec_ptr\n"
4949                         "%f32_val           = OpLoad %f32 %f32_ptr\n"
4950                         "%tmp1              = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_1 %f32_val\n" // vec4(-1)
4951                         "%tmp2              = OpFAdd %v4f32 %tmp1 %param1\n" // param1 + vec4(-1)
4952                         "%transformed_param = OpFAdd %v4f32 %tmp2 %vec_val\n" // param1 + vec4(-1) + vec4(1.5, 1.5, 1.5, 1.0)
4953                 },
4954                 {
4955                         // [1|0|0|0.5] [x] = x + 0.5
4956                         // [0|1|0|0.5] [y] = y + 0.5
4957                         // [0|0|1|0.5] [z] = z + 0.5
4958                         // [0|0|0|1  ] [1] = 1
4959                         "matrix",
4960
4961                         "%mat4x4_f32          = OpTypeMatrix %v4f32 4\n"
4962                     "%v4f32_1_0_0_0       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_0\n"
4963                     "%v4f32_0_1_0_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_1 %c_f32_0 %c_f32_0\n"
4964                     "%v4f32_0_0_1_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_1 %c_f32_0\n"
4965                     "%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"
4966                         "%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",
4967
4968                         "%transformed_param   = OpMatrixTimesVector %v4f32 %cval %param1\n"
4969                 },
4970                 {
4971                         "array",
4972
4973                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4974                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
4975                         "%f32_n_1             = OpConstant %f32 -1.0\n"
4976                         "%f32_1_5             = OpConstant %f32 !0x3fc00000\n" // +1.5
4977                         "%carr                = OpConstantComposite %a4f32 %c_f32_0 %f32_n_1 %f32_1_5 %c_f32_0\n",
4978
4979                         "%v                   = OpVariable %fp_a4f32 Function %carr\n"
4980                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_0\n"
4981                         "%f1                  = OpAccessChain %fp_f32 %v %c_u32_1\n"
4982                         "%f2                  = OpAccessChain %fp_f32 %v %c_u32_2\n"
4983                         "%f3                  = OpAccessChain %fp_f32 %v %c_u32_3\n"
4984                         "%f_val               = OpLoad %f32 %f\n"
4985                         "%f1_val              = OpLoad %f32 %f1\n"
4986                         "%f2_val              = OpLoad %f32 %f2\n"
4987                         "%f3_val              = OpLoad %f32 %f3\n"
4988                         "%ftot1               = OpFAdd %f32 %f_val %f1_val\n"
4989                         "%ftot2               = OpFAdd %f32 %ftot1 %f2_val\n"
4990                         "%ftot3               = OpFAdd %f32 %ftot2 %f3_val\n"  // 0 - 1 + 1.5 + 0
4991                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %ftot3\n"
4992                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
4993                 },
4994                 {
4995                         //
4996                         // [
4997                         //   {
4998                         //      0.0,
4999                         //      [ 1.0, 1.0, 1.0, 1.0]
5000                         //   },
5001                         //   {
5002                         //      1.0,
5003                         //      [ 0.0, 0.5, 0.0, 0.0]
5004                         //   }, //     ^^^
5005                         //   {
5006                         //      0.0,
5007                         //      [ 1.0, 1.0, 1.0, 1.0]
5008                         //   }
5009                         // ]
5010                         "array_of_struct_of_array",
5011
5012                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
5013                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
5014                         "%stype               = OpTypeStruct %f32 %a4f32\n"
5015                         "%a3stype             = OpTypeArray %stype %c_u32_3\n"
5016                         "%fp_a3stype          = OpTypePointer Function %a3stype\n"
5017                         "%ca4f32_0            = OpConstantComposite %a4f32 %c_f32_0 %c_f32_0_5 %c_f32_0 %c_f32_0\n"
5018                         "%ca4f32_1            = OpConstantComposite %a4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
5019                         "%cstype1             = OpConstantComposite %stype %c_f32_0 %ca4f32_1\n"
5020                         "%cstype2             = OpConstantComposite %stype %c_f32_1 %ca4f32_0\n"
5021                         "%carr                = OpConstantComposite %a3stype %cstype1 %cstype2 %cstype1",
5022
5023                         "%v                   = OpVariable %fp_a3stype Function %carr\n"
5024                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_1 %c_u32_1 %c_u32_1\n"
5025                         "%f_l                 = OpLoad %f32 %f\n"
5026                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %f_l\n"
5027                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
5028                 }
5029         };
5030
5031         getHalfColorsFullAlpha(inputColors);
5032         outputColors[0] = RGBA(255, 255, 255, 255);
5033         outputColors[1] = RGBA(255, 127, 127, 255);
5034         outputColors[2] = RGBA(127, 255, 127, 255);
5035         outputColors[3] = RGBA(127, 127, 255, 255);
5036
5037         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
5038         {
5039                 map<string, string> fragments;
5040                 fragments["pre_main"] = tests[testNdx].constants;
5041                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
5042                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, opConstantCompositeTests.get());
5043         }
5044         return opConstantCompositeTests.release();
5045 }
5046
5047 tcu::TestCaseGroup* createSelectionBlockOrderTests(tcu::TestContext& testCtx)
5048 {
5049         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "selection_block_order", "Out-of-order blocks for selection"));
5050         RGBA                                                    inputColors[4];
5051         RGBA                                                    outputColors[4];
5052         map<string, string>                             fragments;
5053
5054         // vec4 test_code(vec4 param) {
5055         //   vec4 result = param;
5056         //   for (int i = 0; i < 4; ++i) {
5057         //     if (i == 0) result[i] = 0.;
5058         //     else        result[i] = 1. - result[i];
5059         //   }
5060         //   return result;
5061         // }
5062         const char                                              function[]                      =
5063                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5064                 "%param1    = OpFunctionParameter %v4f32\n"
5065                 "%lbl       = OpLabel\n"
5066                 "%iptr      = OpVariable %fp_i32 Function\n"
5067                 "%result    = OpVariable %fp_v4f32 Function\n"
5068                 "             OpStore %iptr %c_i32_0\n"
5069                 "             OpStore %result %param1\n"
5070                 "             OpBranch %loop\n"
5071
5072                 // Loop entry block.
5073                 "%loop      = OpLabel\n"
5074                 "%ival      = OpLoad %i32 %iptr\n"
5075                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
5076                 "             OpLoopMerge %exit %if_entry None\n"
5077                 "             OpBranchConditional %lt_4 %if_entry %exit\n"
5078
5079                 // Merge block for loop.
5080                 "%exit      = OpLabel\n"
5081                 "%ret       = OpLoad %v4f32 %result\n"
5082                 "             OpReturnValue %ret\n"
5083
5084                 // If-statement entry block.
5085                 "%if_entry  = OpLabel\n"
5086                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
5087                 "%eq_0      = OpIEqual %bool %ival %c_i32_0\n"
5088                 "             OpSelectionMerge %if_exit None\n"
5089                 "             OpBranchConditional %eq_0 %if_true %if_false\n"
5090
5091                 // False branch for if-statement.
5092                 "%if_false  = OpLabel\n"
5093                 "%val       = OpLoad %f32 %loc\n"
5094                 "%sub       = OpFSub %f32 %c_f32_1 %val\n"
5095                 "             OpStore %loc %sub\n"
5096                 "             OpBranch %if_exit\n"
5097
5098                 // Merge block for if-statement.
5099                 "%if_exit   = OpLabel\n"
5100                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
5101                 "             OpStore %iptr %ival_next\n"
5102                 "             OpBranch %loop\n"
5103
5104                 // True branch for if-statement.
5105                 "%if_true   = OpLabel\n"
5106                 "             OpStore %loc %c_f32_0\n"
5107                 "             OpBranch %if_exit\n"
5108
5109                 "             OpFunctionEnd\n";
5110
5111         fragments["testfun"]    = function;
5112
5113         inputColors[0]                  = RGBA(127, 127, 127, 0);
5114         inputColors[1]                  = RGBA(127, 0,   0,   0);
5115         inputColors[2]                  = RGBA(0,   127, 0,   0);
5116         inputColors[3]                  = RGBA(0,   0,   127, 0);
5117
5118         outputColors[0]                 = RGBA(0, 128, 128, 255);
5119         outputColors[1]                 = RGBA(0, 255, 255, 255);
5120         outputColors[2]                 = RGBA(0, 128, 255, 255);
5121         outputColors[3]                 = RGBA(0, 255, 128, 255);
5122
5123         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
5124
5125         return group.release();
5126 }
5127
5128 tcu::TestCaseGroup* createSwitchBlockOrderTests(tcu::TestContext& testCtx)
5129 {
5130         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "switch_block_order", "Out-of-order blocks for switch"));
5131         RGBA                                                    inputColors[4];
5132         RGBA                                                    outputColors[4];
5133         map<string, string>                             fragments;
5134
5135         const char                                              typesAndConstants[]     =
5136                 "%c_f32_p2  = OpConstant %f32 0.2\n"
5137                 "%c_f32_p4  = OpConstant %f32 0.4\n"
5138                 "%c_f32_p6  = OpConstant %f32 0.6\n"
5139                 "%c_f32_p8  = OpConstant %f32 0.8\n";
5140
5141         // vec4 test_code(vec4 param) {
5142         //   vec4 result = param;
5143         //   for (int i = 0; i < 4; ++i) {
5144         //     switch (i) {
5145         //       case 0: result[i] += .2; break;
5146         //       case 1: result[i] += .6; break;
5147         //       case 2: result[i] += .4; break;
5148         //       case 3: result[i] += .8; break;
5149         //       default: break; // unreachable
5150         //     }
5151         //   }
5152         //   return result;
5153         // }
5154         const char                                              function[]                      =
5155                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5156                 "%param1    = OpFunctionParameter %v4f32\n"
5157                 "%lbl       = OpLabel\n"
5158                 "%iptr      = OpVariable %fp_i32 Function\n"
5159                 "%result    = OpVariable %fp_v4f32 Function\n"
5160                 "             OpStore %iptr %c_i32_0\n"
5161                 "             OpStore %result %param1\n"
5162                 "             OpBranch %loop\n"
5163
5164                 // Loop entry block.
5165                 "%loop      = OpLabel\n"
5166                 "%ival      = OpLoad %i32 %iptr\n"
5167                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
5168                 "             OpLoopMerge %exit %switch_exit None\n"
5169                 "             OpBranchConditional %lt_4 %switch_entry %exit\n"
5170
5171                 // Merge block for loop.
5172                 "%exit      = OpLabel\n"
5173                 "%ret       = OpLoad %v4f32 %result\n"
5174                 "             OpReturnValue %ret\n"
5175
5176                 // Switch-statement entry block.
5177                 "%switch_entry   = OpLabel\n"
5178                 "%loc            = OpAccessChain %fp_f32 %result %ival\n"
5179                 "%val            = OpLoad %f32 %loc\n"
5180                 "                  OpSelectionMerge %switch_exit None\n"
5181                 "                  OpSwitch %ival %switch_default 0 %case0 1 %case1 2 %case2 3 %case3\n"
5182
5183                 "%case2          = OpLabel\n"
5184                 "%addp4          = OpFAdd %f32 %val %c_f32_p4\n"
5185                 "                  OpStore %loc %addp4\n"
5186                 "                  OpBranch %switch_exit\n"
5187
5188                 "%switch_default = OpLabel\n"
5189                 "                  OpUnreachable\n"
5190
5191                 "%case3          = OpLabel\n"
5192                 "%addp8          = OpFAdd %f32 %val %c_f32_p8\n"
5193                 "                  OpStore %loc %addp8\n"
5194                 "                  OpBranch %switch_exit\n"
5195
5196                 "%case0          = OpLabel\n"
5197                 "%addp2          = OpFAdd %f32 %val %c_f32_p2\n"
5198                 "                  OpStore %loc %addp2\n"
5199                 "                  OpBranch %switch_exit\n"
5200
5201                 // Merge block for switch-statement.
5202                 "%switch_exit    = OpLabel\n"
5203                 "%ival_next      = OpIAdd %i32 %ival %c_i32_1\n"
5204                 "                  OpStore %iptr %ival_next\n"
5205                 "                  OpBranch %loop\n"
5206
5207                 "%case1          = OpLabel\n"
5208                 "%addp6          = OpFAdd %f32 %val %c_f32_p6\n"
5209                 "                  OpStore %loc %addp6\n"
5210                 "                  OpBranch %switch_exit\n"
5211
5212                 "                  OpFunctionEnd\n";
5213
5214         fragments["pre_main"]   = typesAndConstants;
5215         fragments["testfun"]    = function;
5216
5217         inputColors[0]                  = RGBA(127, 27,  127, 51);
5218         inputColors[1]                  = RGBA(127, 0,   0,   51);
5219         inputColors[2]                  = RGBA(0,   27,  0,   51);
5220         inputColors[3]                  = RGBA(0,   0,   127, 51);
5221
5222         outputColors[0]                 = RGBA(178, 180, 229, 255);
5223         outputColors[1]                 = RGBA(178, 153, 102, 255);
5224         outputColors[2]                 = RGBA(51,  180, 102, 255);
5225         outputColors[3]                 = RGBA(51,  153, 229, 255);
5226
5227         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
5228
5229         return group.release();
5230 }
5231
5232 tcu::TestCaseGroup* createDecorationGroupTests(tcu::TestContext& testCtx)
5233 {
5234         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "decoration_group", "Decoration group tests"));
5235         RGBA                                                    inputColors[4];
5236         RGBA                                                    outputColors[4];
5237         map<string, string>                             fragments;
5238
5239         const char                                              decorations[]           =
5240                 "OpDecorate %array_group         ArrayStride 4\n"
5241                 "OpDecorate %struct_member_group Offset 0\n"
5242                 "%array_group         = OpDecorationGroup\n"
5243                 "%struct_member_group = OpDecorationGroup\n"
5244
5245                 "OpDecorate %group1 RelaxedPrecision\n"
5246                 "OpDecorate %group3 RelaxedPrecision\n"
5247                 "OpDecorate %group3 Invariant\n"
5248                 "OpDecorate %group3 Restrict\n"
5249                 "%group0 = OpDecorationGroup\n"
5250                 "%group1 = OpDecorationGroup\n"
5251                 "%group3 = OpDecorationGroup\n";
5252
5253         const char                                              typesAndConstants[]     =
5254                 "%a3f32     = OpTypeArray %f32 %c_u32_3\n"
5255                 "%struct1   = OpTypeStruct %a3f32\n"
5256                 "%struct2   = OpTypeStruct %a3f32\n"
5257                 "%fp_struct1 = OpTypePointer Function %struct1\n"
5258                 "%fp_struct2 = OpTypePointer Function %struct2\n"
5259                 "%c_f32_2    = OpConstant %f32 2.\n"
5260                 "%c_f32_n2   = OpConstant %f32 -2.\n"
5261
5262                 "%c_a3f32_1 = OpConstantComposite %a3f32 %c_f32_1 %c_f32_2 %c_f32_1\n"
5263                 "%c_a3f32_2 = OpConstantComposite %a3f32 %c_f32_n1 %c_f32_n2 %c_f32_n1\n"
5264                 "%c_struct1 = OpConstantComposite %struct1 %c_a3f32_1\n"
5265                 "%c_struct2 = OpConstantComposite %struct2 %c_a3f32_2\n";
5266
5267         const char                                              function[]                      =
5268                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5269                 "%param     = OpFunctionParameter %v4f32\n"
5270                 "%entry     = OpLabel\n"
5271                 "%result    = OpVariable %fp_v4f32 Function\n"
5272                 "%v_struct1 = OpVariable %fp_struct1 Function\n"
5273                 "%v_struct2 = OpVariable %fp_struct2 Function\n"
5274                 "             OpStore %result %param\n"
5275                 "             OpStore %v_struct1 %c_struct1\n"
5276                 "             OpStore %v_struct2 %c_struct2\n"
5277                 "%ptr1      = OpAccessChain %fp_f32 %v_struct1 %c_i32_0 %c_i32_2\n"
5278                 "%val1      = OpLoad %f32 %ptr1\n"
5279                 "%ptr2      = OpAccessChain %fp_f32 %v_struct2 %c_i32_0 %c_i32_2\n"
5280                 "%val2      = OpLoad %f32 %ptr2\n"
5281                 "%addvalues = OpFAdd %f32 %val1 %val2\n"
5282                 "%ptr       = OpAccessChain %fp_f32 %result %c_i32_1\n"
5283                 "%val       = OpLoad %f32 %ptr\n"
5284                 "%addresult = OpFAdd %f32 %addvalues %val\n"
5285                 "             OpStore %ptr %addresult\n"
5286                 "%ret       = OpLoad %v4f32 %result\n"
5287                 "             OpReturnValue %ret\n"
5288                 "             OpFunctionEnd\n";
5289
5290         struct CaseNameDecoration
5291         {
5292                 string name;
5293                 string decoration;
5294         };
5295
5296         CaseNameDecoration tests[] =
5297         {
5298                 {
5299                         "same_decoration_group_on_multiple_types",
5300                         "OpGroupMemberDecorate %struct_member_group %struct1 0 %struct2 0\n"
5301                 },
5302                 {
5303                         "empty_decoration_group",
5304                         "OpGroupDecorate %group0      %a3f32\n"
5305                         "OpGroupDecorate %group0      %result\n"
5306                 },
5307                 {
5308                         "one_element_decoration_group",
5309                         "OpGroupDecorate %array_group %a3f32\n"
5310                 },
5311                 {
5312                         "multiple_elements_decoration_group",
5313                         "OpGroupDecorate %group3      %v_struct1\n"
5314                 },
5315                 {
5316                         "multiple_decoration_groups_on_same_variable",
5317                         "OpGroupDecorate %group0      %v_struct2\n"
5318                         "OpGroupDecorate %group1      %v_struct2\n"
5319                         "OpGroupDecorate %group3      %v_struct2\n"
5320                 },
5321                 {
5322                         "same_decoration_group_multiple_times",
5323                         "OpGroupDecorate %group1      %addvalues\n"
5324                         "OpGroupDecorate %group1      %addvalues\n"
5325                         "OpGroupDecorate %group1      %addvalues\n"
5326                 },
5327
5328         };
5329
5330         getHalfColorsFullAlpha(inputColors);
5331         getHalfColorsFullAlpha(outputColors);
5332
5333         for (size_t idx = 0; idx < (sizeof(tests) / sizeof(tests[0])); ++idx)
5334         {
5335                 fragments["decoration"] = decorations + tests[idx].decoration;
5336                 fragments["pre_main"]   = typesAndConstants;
5337                 fragments["testfun"]    = function;
5338
5339                 createTestsForAllStages(tests[idx].name, inputColors, outputColors, fragments, group.get());
5340         }
5341
5342         return group.release();
5343 }
5344
5345 struct SpecConstantTwoIntGraphicsCase
5346 {
5347         const char*             caseName;
5348         const char*             scDefinition0;
5349         const char*             scDefinition1;
5350         const char*             scResultType;
5351         const char*             scOperation;
5352         deInt32                 scActualValue0;
5353         deInt32                 scActualValue1;
5354         const char*             resultOperation;
5355         RGBA                    expectedColors[4];
5356
5357                                         SpecConstantTwoIntGraphicsCase (const char* name,
5358                                                                                         const char* definition0,
5359                                                                                         const char* definition1,
5360                                                                                         const char* resultType,
5361                                                                                         const char* operation,
5362                                                                                         deInt32         value0,
5363                                                                                         deInt32         value1,
5364                                                                                         const char* resultOp,
5365                                                                                         const RGBA      (&output)[4])
5366                                                 : caseName                      (name)
5367                                                 , scDefinition0         (definition0)
5368                                                 , scDefinition1         (definition1)
5369                                                 , scResultType          (resultType)
5370                                                 , scOperation           (operation)
5371                                                 , scActualValue0        (value0)
5372                                                 , scActualValue1        (value1)
5373                                                 , resultOperation       (resultOp)
5374         {
5375                 expectedColors[0] = output[0];
5376                 expectedColors[1] = output[1];
5377                 expectedColors[2] = output[2];
5378                 expectedColors[3] = output[3];
5379         }
5380 };
5381
5382 tcu::TestCaseGroup* createSpecConstantTests (tcu::TestContext& testCtx)
5383 {
5384         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
5385         vector<SpecConstantTwoIntGraphicsCase>  cases;
5386         RGBA                                                    inputColors[4];
5387         RGBA                                                    outputColors0[4];
5388         RGBA                                                    outputColors1[4];
5389         RGBA                                                    outputColors2[4];
5390
5391         const char      decorations1[]                  =
5392                 "OpDecorate %sc_0  SpecId 0\n"
5393                 "OpDecorate %sc_1  SpecId 1\n";
5394
5395         const char      typesAndConstants1[]    =
5396                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
5397                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
5398                 "%sc_op     = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n";
5399
5400         const char      function1[]                             =
5401                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5402                 "%param     = OpFunctionParameter %v4f32\n"
5403                 "%label     = OpLabel\n"
5404                 "%result    = OpVariable %fp_v4f32 Function\n"
5405                 "             OpStore %result %param\n"
5406                 "%gen       = ${GEN_RESULT}\n"
5407                 "%index     = OpIAdd %i32 %gen %c_i32_1\n"
5408                 "%loc       = OpAccessChain %fp_f32 %result %index\n"
5409                 "%val       = OpLoad %f32 %loc\n"
5410                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
5411                 "             OpStore %loc %add\n"
5412                 "%ret       = OpLoad %v4f32 %result\n"
5413                 "             OpReturnValue %ret\n"
5414                 "             OpFunctionEnd\n";
5415
5416         inputColors[0] = RGBA(127, 127, 127, 255);
5417         inputColors[1] = RGBA(127, 0,   0,   255);
5418         inputColors[2] = RGBA(0,   127, 0,   255);
5419         inputColors[3] = RGBA(0,   0,   127, 255);
5420
5421         // Derived from inputColors[x] by adding 128 to inputColors[x][0].
5422         outputColors0[0] = RGBA(255, 127, 127, 255);
5423         outputColors0[1] = RGBA(255, 0,   0,   255);
5424         outputColors0[2] = RGBA(128, 127, 0,   255);
5425         outputColors0[3] = RGBA(128, 0,   127, 255);
5426
5427         // Derived from inputColors[x] by adding 128 to inputColors[x][1].
5428         outputColors1[0] = RGBA(127, 255, 127, 255);
5429         outputColors1[1] = RGBA(127, 128, 0,   255);
5430         outputColors1[2] = RGBA(0,   255, 0,   255);
5431         outputColors1[3] = RGBA(0,   128, 127, 255);
5432
5433         // Derived from inputColors[x] by adding 128 to inputColors[x][2].
5434         outputColors2[0] = RGBA(127, 127, 255, 255);
5435         outputColors2[1] = RGBA(127, 0,   128, 255);
5436         outputColors2[2] = RGBA(0,   127, 128, 255);
5437         outputColors2[3] = RGBA(0,   0,   255, 255);
5438
5439         const char addZeroToSc[]                = "OpIAdd %i32 %c_i32_0 %sc_op";
5440         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_op %c_i32_1 %c_i32_0";
5441         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_op %c_i32_0 %c_i32_1";
5442
5443         cases.push_back(SpecConstantTwoIntGraphicsCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                             19,             -20,    addZeroToSc,            outputColors0));
5444         cases.push_back(SpecConstantTwoIntGraphicsCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                             19,             20,             addZeroToSc,            outputColors0));
5445         cases.push_back(SpecConstantTwoIntGraphicsCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                             -1,             -1,             addZeroToSc,            outputColors2));
5446         cases.push_back(SpecConstantTwoIntGraphicsCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                             -126,   126,    addZeroToSc,            outputColors0));
5447         cases.push_back(SpecConstantTwoIntGraphicsCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                             126,    126,    addZeroToSc,            outputColors2));
5448         cases.push_back(SpecConstantTwoIntGraphicsCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
5449         cases.push_back(SpecConstantTwoIntGraphicsCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
5450         cases.push_back(SpecConstantTwoIntGraphicsCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                             1001,   500,    addZeroToSc,            outputColors2));
5451         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                             0x33,   0x0d,   addZeroToSc,            outputColors2));
5452         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                             0,              1,              addZeroToSc,            outputColors2));
5453         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                             0x2e,   0x2f,   addZeroToSc,            outputColors2));
5454         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                             2,              1,              addZeroToSc,            outputColors2));
5455         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                             -4,             2,              addZeroToSc,            outputColors0));
5456         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                             1,              0,              addZeroToSc,            outputColors2));
5457         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                             -20,    -10,    selectTrueUsingSc,      outputColors2));
5458         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                             10,             20,             selectTrueUsingSc,      outputColors2));
5459         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
5460         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                             10,             5,              selectTrueUsingSc,      outputColors2));
5461         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                             -10,    -10,    selectTrueUsingSc,      outputColors2));
5462         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                             50,             100,    selectTrueUsingSc,      outputColors2));
5463         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
5464         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                             10,             10,             selectTrueUsingSc,      outputColors2));
5465         cases.push_back(SpecConstantTwoIntGraphicsCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                             42,             24,             selectFalseUsingSc,     outputColors2));
5466         cases.push_back(SpecConstantTwoIntGraphicsCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
5467         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
5468         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
5469         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
5470         cases.push_back(SpecConstantTwoIntGraphicsCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                                   -1,             0,              addZeroToSc,            outputColors2));
5471         cases.push_back(SpecConstantTwoIntGraphicsCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                                   -2,             0,              addZeroToSc,            outputColors2));
5472         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                                   1,              0,              selectFalseUsingSc,     outputColors2));
5473         cases.push_back(SpecConstantTwoIntGraphicsCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %c_i32_0",    1,              1,              addZeroToSc,            outputColors2));
5474         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
5475         // \todo[2015-12-1 antiagainst] OpQuantizeToF16
5476
5477         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
5478         {
5479                 map<string, string>     specializations;
5480                 map<string, string>     fragments;
5481                 vector<deInt32>         specConstants;
5482
5483                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
5484                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
5485                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
5486                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
5487                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
5488
5489                 fragments["decoration"]                         = tcu::StringTemplate(decorations1).specialize(specializations);
5490                 fragments["pre_main"]                           = tcu::StringTemplate(typesAndConstants1).specialize(specializations);
5491                 fragments["testfun"]                            = tcu::StringTemplate(function1).specialize(specializations);
5492
5493                 specConstants.push_back(cases[caseNdx].scActualValue0);
5494                 specConstants.push_back(cases[caseNdx].scActualValue1);
5495
5496                 createTestsForAllStages(cases[caseNdx].caseName, inputColors, cases[caseNdx].expectedColors, fragments, specConstants, group.get());
5497         }
5498
5499         const char      decorations2[]                  =
5500                 "OpDecorate %sc_0  SpecId 0\n"
5501                 "OpDecorate %sc_1  SpecId 1\n"
5502                 "OpDecorate %sc_2  SpecId 2\n";
5503
5504         const char      typesAndConstants2[]    =
5505                 "%v3i32       = OpTypeVector %i32 3\n"
5506                 "%vec3_0      = OpConstantComposite %v3i32 %c_i32_0 %c_i32_0 %c_i32_0\n"
5507                 "%vec3_undef  = OpUndef %v3i32\n"
5508
5509                 "%sc_0        = OpSpecConstant %i32 0\n"
5510                 "%sc_1        = OpSpecConstant %i32 0\n"
5511                 "%sc_2        = OpSpecConstant %i32 0\n"
5512                 "%sc_vec3_0   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_0        %vec3_0      0\n"                                                 // (sc_0, 0,    0)
5513                 "%sc_vec3_1   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_1        %vec3_0      1\n"                                                 // (0,    sc_1, 0)
5514                 "%sc_vec3_2   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_2        %vec3_0      2\n"                                                 // (0,    0,    sc_2)
5515                 "%sc_vec3_0_s = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0   %vec3_undef  0          0xFFFFFFFF 2\n"   // (sc_0, ???,  0)
5516                 "%sc_vec3_1_s = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_1   %vec3_undef  0xFFFFFFFF 1          0\n"   // (???,  sc_1, 0)
5517                 "%sc_vec3_2_s = OpSpecConstantOp %v3i32 VectorShuffle    %vec3_undef  %sc_vec3_2   5          0xFFFFFFFF 5\n"   // (sc_2, ???,  sc_2)
5518                 "%sc_vec3_01  = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0_s %sc_vec3_1_s 1 0 4\n"                                             // (0,    sc_0, sc_1)
5519                 "%sc_vec3_012 = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_01  %sc_vec3_2_s 5 1 2\n"                                             // (sc_2, sc_0, sc_1)
5520                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              0\n"                                                 // sc_2
5521                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              1\n"                                                 // sc_0
5522                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012              2\n"                                                 // sc_1
5523                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"                                                              // (sc_2 - sc_0)
5524                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n";                                                             // (sc_2 - sc_0) * sc_1
5525
5526         const char      function2[]                             =
5527                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5528                 "%param     = OpFunctionParameter %v4f32\n"
5529                 "%label     = OpLabel\n"
5530                 "%result    = OpVariable %fp_v4f32 Function\n"
5531                 "             OpStore %result %param\n"
5532                 "%loc       = OpAccessChain %fp_f32 %result %sc_final\n"
5533                 "%val       = OpLoad %f32 %loc\n"
5534                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
5535                 "             OpStore %loc %add\n"
5536                 "%ret       = OpLoad %v4f32 %result\n"
5537                 "             OpReturnValue %ret\n"
5538                 "             OpFunctionEnd\n";
5539
5540         map<string, string>     fragments;
5541         vector<deInt32>         specConstants;
5542
5543         fragments["decoration"] = decorations2;
5544         fragments["pre_main"]   = typesAndConstants2;
5545         fragments["testfun"]    = function2;
5546
5547         specConstants.push_back(56789);
5548         specConstants.push_back(-2);
5549         specConstants.push_back(56788);
5550
5551         createTestsForAllStages("vector_related", inputColors, outputColors2, fragments, specConstants, group.get());
5552
5553         return group.release();
5554 }
5555
5556 tcu::TestCaseGroup* createOpPhiTests(tcu::TestContext& testCtx)
5557 {
5558         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
5559         RGBA                                                    inputColors[4];
5560         RGBA                                                    outputColors1[4];
5561         RGBA                                                    outputColors2[4];
5562         RGBA                                                    outputColors3[4];
5563         map<string, string>                             fragments1;
5564         map<string, string>                             fragments2;
5565         map<string, string>                             fragments3;
5566
5567         const char      typesAndConstants1[]    =
5568                 "%c_f32_p2  = OpConstant %f32 0.2\n"
5569                 "%c_f32_p4  = OpConstant %f32 0.4\n"
5570                 "%c_f32_p5  = OpConstant %f32 0.5\n"
5571                 "%c_f32_p8  = OpConstant %f32 0.8\n";
5572
5573         // vec4 test_code(vec4 param) {
5574         //   vec4 result = param;
5575         //   for (int i = 0; i < 4; ++i) {
5576         //     float operand;
5577         //     switch (i) {
5578         //       case 0: operand = .2; break;
5579         //       case 1: operand = .5; break;
5580         //       case 2: operand = .4; break;
5581         //       case 3: operand = .0; break;
5582         //       default: break; // unreachable
5583         //     }
5584         //     result[i] += operand;
5585         //   }
5586         //   return result;
5587         // }
5588         const char      function1[]                             =
5589                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5590                 "%param1    = OpFunctionParameter %v4f32\n"
5591                 "%lbl       = OpLabel\n"
5592                 "%iptr      = OpVariable %fp_i32 Function\n"
5593                 "%result    = OpVariable %fp_v4f32 Function\n"
5594                 "             OpStore %iptr %c_i32_0\n"
5595                 "             OpStore %result %param1\n"
5596                 "             OpBranch %loop\n"
5597
5598                 "%loop      = OpLabel\n"
5599                 "%ival      = OpLoad %i32 %iptr\n"
5600                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
5601                 "             OpLoopMerge %exit %phi None\n"
5602                 "             OpBranchConditional %lt_4 %entry %exit\n"
5603
5604                 "%entry     = OpLabel\n"
5605                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
5606                 "%val       = OpLoad %f32 %loc\n"
5607                 "             OpSelectionMerge %phi None\n"
5608                 "             OpSwitch %ival %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
5609
5610                 "%case0     = OpLabel\n"
5611                 "             OpBranch %phi\n"
5612                 "%case1     = OpLabel\n"
5613                 "             OpBranch %phi\n"
5614                 "%case2     = OpLabel\n"
5615                 "             OpBranch %phi\n"
5616                 "%case3     = OpLabel\n"
5617                 "             OpBranch %phi\n"
5618
5619                 "%default   = OpLabel\n"
5620                 "             OpUnreachable\n"
5621
5622                 "%phi       = OpLabel\n"
5623                 "%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
5624                 "%add       = OpFAdd %f32 %val %operand\n"
5625                 "             OpStore %loc %add\n"
5626                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
5627                 "             OpStore %iptr %ival_next\n"
5628                 "             OpBranch %loop\n"
5629
5630                 "%exit      = OpLabel\n"
5631                 "%ret       = OpLoad %v4f32 %result\n"
5632                 "             OpReturnValue %ret\n"
5633
5634                 "             OpFunctionEnd\n";
5635
5636         fragments1["pre_main"]  = typesAndConstants1;
5637         fragments1["testfun"]   = function1;
5638
5639         getHalfColorsFullAlpha(inputColors);
5640
5641         outputColors1[0]                = RGBA(178, 255, 229, 255);
5642         outputColors1[1]                = RGBA(178, 127, 102, 255);
5643         outputColors1[2]                = RGBA(51,  255, 102, 255);
5644         outputColors1[3]                = RGBA(51,  127, 229, 255);
5645
5646         createTestsForAllStages("out_of_order", inputColors, outputColors1, fragments1, group.get());
5647
5648         const char      typesAndConstants2[]    =
5649                 "%c_f32_p2  = OpConstant %f32 0.2\n";
5650
5651         // Add .4 to the second element of the given parameter.
5652         const char      function2[]                             =
5653                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5654                 "%param     = OpFunctionParameter %v4f32\n"
5655                 "%entry     = OpLabel\n"
5656                 "%result    = OpVariable %fp_v4f32 Function\n"
5657                 "             OpStore %result %param\n"
5658                 "%loc       = OpAccessChain %fp_f32 %result %c_i32_1\n"
5659                 "%val       = OpLoad %f32 %loc\n"
5660                 "             OpBranch %phi\n"
5661
5662                 "%phi        = OpLabel\n"
5663                 "%step       = OpPhi %i32 %c_i32_0  %entry %step_next  %phi\n"
5664                 "%accum      = OpPhi %f32 %val      %entry %accum_next %phi\n"
5665                 "%step_next  = OpIAdd %i32 %step  %c_i32_1\n"
5666                 "%accum_next = OpFAdd %f32 %accum %c_f32_p2\n"
5667                 "%still_loop = OpSLessThan %bool %step %c_i32_2\n"
5668                 "              OpLoopMerge %exit %phi None\n"
5669                 "              OpBranchConditional %still_loop %phi %exit\n"
5670
5671                 "%exit       = OpLabel\n"
5672                 "              OpStore %loc %accum\n"
5673                 "%ret        = OpLoad %v4f32 %result\n"
5674                 "              OpReturnValue %ret\n"
5675
5676                 "              OpFunctionEnd\n";
5677
5678         fragments2["pre_main"]  = typesAndConstants2;
5679         fragments2["testfun"]   = function2;
5680
5681         outputColors2[0]                        = RGBA(127, 229, 127, 255);
5682         outputColors2[1]                        = RGBA(127, 102, 0,   255);
5683         outputColors2[2]                        = RGBA(0,   229, 0,   255);
5684         outputColors2[3]                        = RGBA(0,   102, 127, 255);
5685
5686         createTestsForAllStages("induction", inputColors, outputColors2, fragments2, group.get());
5687
5688         const char      typesAndConstants3[]    =
5689                 "%true      = OpConstantTrue %bool\n"
5690                 "%false     = OpConstantFalse %bool\n"
5691                 "%c_f32_p2  = OpConstant %f32 0.2\n";
5692
5693         // Swap the second and the third element of the given parameter.
5694         const char      function3[]                             =
5695                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5696                 "%param     = OpFunctionParameter %v4f32\n"
5697                 "%entry     = OpLabel\n"
5698                 "%result    = OpVariable %fp_v4f32 Function\n"
5699                 "             OpStore %result %param\n"
5700                 "%a_loc     = OpAccessChain %fp_f32 %result %c_i32_1\n"
5701                 "%a_init    = OpLoad %f32 %a_loc\n"
5702                 "%b_loc     = OpAccessChain %fp_f32 %result %c_i32_2\n"
5703                 "%b_init    = OpLoad %f32 %b_loc\n"
5704                 "             OpBranch %phi\n"
5705
5706                 "%phi        = OpLabel\n"
5707                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
5708                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
5709                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
5710                 "              OpLoopMerge %exit %phi None\n"
5711                 "              OpBranchConditional %still_loop %phi %exit\n"
5712
5713                 "%exit       = OpLabel\n"
5714                 "              OpStore %a_loc %a_next\n"
5715                 "              OpStore %b_loc %b_next\n"
5716                 "%ret        = OpLoad %v4f32 %result\n"
5717                 "              OpReturnValue %ret\n"
5718
5719                 "              OpFunctionEnd\n";
5720
5721         fragments3["pre_main"]  = typesAndConstants3;
5722         fragments3["testfun"]   = function3;
5723
5724         outputColors3[0]                        = RGBA(127, 127, 127, 255);
5725         outputColors3[1]                        = RGBA(127, 0,   0,   255);
5726         outputColors3[2]                        = RGBA(0,   0,   127, 255);
5727         outputColors3[3]                        = RGBA(0,   127, 0,   255);
5728
5729         createTestsForAllStages("swap", inputColors, outputColors3, fragments3, group.get());
5730
5731         return group.release();
5732 }
5733
5734 tcu::TestCaseGroup* createNoContractionTests(tcu::TestContext& testCtx)
5735 {
5736         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
5737         RGBA                                                    inputColors[4];
5738         RGBA                                                    outputColors[4];
5739
5740         // With NoContraction, (1 + 2^-23) * (1 - 2^-23) - 1 should be conducted as a multiplication and an addition separately.
5741         // For the multiplication, the result is 1 - 2^-46, which is out of the precision range for 32-bit float. (32-bit float
5742         // only have 23-bit fraction.) So it will be rounded to 1. Or 0x1.fffffc. Then the final result is 0 or -0x1p-24.
5743         // On the contrary, the result will be 2^-46, which is a normalized number perfectly representable as 32-bit float.
5744         const char                                              constantsAndTypes[]      =
5745                 "%c_vec4_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_0 %c_f32_1\n"
5746                 "%c_vec4_1       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
5747                 "%c_f32_1pl2_23  = OpConstant %f32 0x1.000002p+0\n" // 1 + 2^-23
5748                 "%c_f32_1mi2_23  = OpConstant %f32 0x1.fffffcp-1\n" // 1 - 2^-23
5749                 "%c_f32_n1pn24   = OpConstant %f32 -0x1p-24\n"
5750                 ;
5751
5752         const char                                              function[]       =
5753                 "%test_code      = OpFunction %v4f32 None %v4f32_function\n"
5754                 "%param          = OpFunctionParameter %v4f32\n"
5755                 "%label          = OpLabel\n"
5756                 "%var1           = OpVariable %fp_f32 Function %c_f32_1pl2_23\n"
5757                 "%var2           = OpVariable %fp_f32 Function\n"
5758                 "%red            = OpCompositeExtract %f32 %param 0\n"
5759                 "%plus_red       = OpFAdd %f32 %c_f32_1mi2_23 %red\n"
5760                 "                  OpStore %var2 %plus_red\n"
5761                 "%val1           = OpLoad %f32 %var1\n"
5762                 "%val2           = OpLoad %f32 %var2\n"
5763                 "%mul            = OpFMul %f32 %val1 %val2\n"
5764                 "%add            = OpFAdd %f32 %mul %c_f32_n1\n"
5765                 "%is0            = OpFOrdEqual %bool %add %c_f32_0\n"
5766                 "%isn1n24         = OpFOrdEqual %bool %add %c_f32_n1pn24\n"
5767                 "%success        = OpLogicalOr %bool %is0 %isn1n24\n"
5768                 "%v4success      = OpCompositeConstruct %v4bool %success %success %success %success\n"
5769                 "%ret            = OpSelect %v4f32 %v4success %c_vec4_0 %c_vec4_1\n"
5770                 "                  OpReturnValue %ret\n"
5771                 "                  OpFunctionEnd\n";
5772
5773         struct CaseNameDecoration
5774         {
5775                 string name;
5776                 string decoration;
5777         };
5778
5779
5780         CaseNameDecoration tests[] = {
5781                 {"multiplication",      "OpDecorate %mul NoContraction"},
5782                 {"addition",            "OpDecorate %add NoContraction"},
5783                 {"both",                        "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"},
5784         };
5785
5786         getHalfColorsFullAlpha(inputColors);
5787
5788         for (deUint8 idx = 0; idx < 4; ++idx)
5789         {
5790                 inputColors[idx].setRed(0);
5791                 outputColors[idx] = RGBA(0, 0, 0, 255);
5792         }
5793
5794         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(CaseNameDecoration); ++testNdx)
5795         {
5796                 map<string, string> fragments;
5797
5798                 fragments["decoration"] = tests[testNdx].decoration;
5799                 fragments["pre_main"] = constantsAndTypes;
5800                 fragments["testfun"] = function;
5801
5802                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, group.get());
5803         }
5804
5805         return group.release();
5806 }
5807
5808 tcu::TestCaseGroup* createMemoryAccessTests(tcu::TestContext& testCtx)
5809 {
5810         de::MovePtr<tcu::TestCaseGroup> memoryAccessTests (new tcu::TestCaseGroup(testCtx, "opmemoryaccess", "Memory Semantics"));
5811         RGBA                                                    colors[4];
5812
5813         const char                                              constantsAndTypes[]      =
5814                 "%c_a2f32_1         = OpConstantComposite %a2f32 %c_f32_1 %c_f32_1\n"
5815                 "%fp_a2f32          = OpTypePointer Function %a2f32\n"
5816                 "%stype             = OpTypeStruct  %v4f32 %a2f32 %f32\n"
5817                 "%fp_stype          = OpTypePointer Function %stype\n";
5818
5819         const char                                              function[]       =
5820                 "%test_code         = OpFunction %v4f32 None %v4f32_function\n"
5821                 "%param1            = OpFunctionParameter %v4f32\n"
5822                 "%lbl               = OpLabel\n"
5823                 "%v1                = OpVariable %fp_v4f32 Function\n"
5824                 "%v2                = OpVariable %fp_a2f32 Function\n"
5825                 "%v3                = OpVariable %fp_f32 Function\n"
5826                 "%v                 = OpVariable %fp_stype Function\n"
5827                 "%vv                = OpVariable %fp_stype Function\n"
5828                 "%vvv               = OpVariable %fp_f32 Function\n"
5829
5830                 "                     OpStore %v1 %c_v4f32_1_1_1_1\n"
5831                 "                     OpStore %v2 %c_a2f32_1\n"
5832                 "                     OpStore %v3 %c_f32_1\n"
5833
5834                 "%p_v4f32          = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
5835                 "%p_a2f32          = OpAccessChain %fp_a2f32 %v %c_u32_1\n"
5836                 "%p_f32            = OpAccessChain %fp_f32 %v %c_u32_2\n"
5837                 "%v1_v             = OpLoad %v4f32 %v1 ${access_type}\n"
5838                 "%v2_v             = OpLoad %a2f32 %v2 ${access_type}\n"
5839                 "%v3_v             = OpLoad %f32 %v3 ${access_type}\n"
5840
5841                 "                    OpStore %p_v4f32 %v1_v ${access_type}\n"
5842                 "                    OpStore %p_a2f32 %v2_v ${access_type}\n"
5843                 "                    OpStore %p_f32 %v3_v ${access_type}\n"
5844
5845                 "                    OpCopyMemory %vv %v ${access_type}\n"
5846                 "                    OpCopyMemory %vvv %p_f32 ${access_type}\n"
5847
5848                 "%p_f32_2          = OpAccessChain %fp_f32 %vv %c_u32_2\n"
5849                 "%v_f32_2          = OpLoad %f32 %p_f32_2\n"
5850                 "%v_f32_3          = OpLoad %f32 %vvv\n"
5851
5852                 "%ret1             = OpVectorTimesScalar %v4f32 %param1 %v_f32_2\n"
5853                 "%ret2             = OpVectorTimesScalar %v4f32 %ret1 %v_f32_3\n"
5854                 "                    OpReturnValue %ret2\n"
5855                 "                    OpFunctionEnd\n";
5856
5857         struct NameMemoryAccess
5858         {
5859                 string name;
5860                 string accessType;
5861         };
5862
5863
5864         NameMemoryAccess tests[] =
5865         {
5866                 { "none", "" },
5867                 { "volatile", "Volatile" },
5868                 { "aligned",  "Aligned 1" },
5869                 { "volatile_aligned",  "Volatile|Aligned 1" },
5870                 { "nontemporal_aligned",  "Nontemporal|Aligned 1" },
5871                 { "volatile_nontemporal",  "Volatile|Nontemporal" },
5872                 { "volatile_nontermporal_aligned",  "Volatile|Nontemporal|Aligned 1" },
5873         };
5874
5875         getHalfColorsFullAlpha(colors);
5876
5877         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameMemoryAccess); ++testNdx)
5878         {
5879                 map<string, string> fragments;
5880                 map<string, string> memoryAccess;
5881                 memoryAccess["access_type"] = tests[testNdx].accessType;
5882
5883                 fragments["pre_main"] = constantsAndTypes;
5884                 fragments["testfun"] = tcu::StringTemplate(function).specialize(memoryAccess);
5885                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, memoryAccessTests.get());
5886         }
5887         return memoryAccessTests.release();
5888 }
5889 tcu::TestCaseGroup* createOpUndefTests(tcu::TestContext& testCtx)
5890 {
5891         de::MovePtr<tcu::TestCaseGroup>         opUndefTests             (new tcu::TestCaseGroup(testCtx, "opundef", "Test OpUndef"));
5892         RGBA                                                            defaultColors[4];
5893         map<string, string>                                     fragments;
5894         getDefaultColors(defaultColors);
5895
5896         // First, simple cases that don't do anything with the OpUndef result.
5897         struct NameCodePair { string name, decl, type; };
5898         const NameCodePair tests[] =
5899         {
5900                 {"bool", "", "%bool"},
5901                 {"vec2uint32", "%type = OpTypeVector %u32 2", "%type"},
5902                 {"image", "%type = OpTypeImage %f32 2D 0 0 0 1 Unknown", "%type"},
5903                 {"sampler", "%type = OpTypeSampler", "%type"},
5904                 {"sampledimage", "%img = OpTypeImage %f32 2D 0 0 0 1 Unknown\n" "%type = OpTypeSampledImage %img", "%type"},
5905                 {"pointer", "", "%fp_i32"},
5906                 {"runtimearray", "%type = OpTypeRuntimeArray %f32", "%type"},
5907                 {"array", "%c_u32_100 = OpConstant %u32 100\n" "%type = OpTypeArray %i32 %c_u32_100", "%type"},
5908                 {"struct", "%type = OpTypeStruct %f32 %i32 %u32", "%type"}};
5909         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
5910         {
5911                 fragments["undef_type"] = tests[testNdx].type;
5912                 fragments["testfun"] = StringTemplate(
5913                         "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5914                         "%param1 = OpFunctionParameter %v4f32\n"
5915                         "%label_testfun = OpLabel\n"
5916                         "%undef = OpUndef ${undef_type}\n"
5917                         "OpReturnValue %param1\n"
5918                         "OpFunctionEnd\n").specialize(fragments);
5919                 fragments["pre_main"] = tests[testNdx].decl;
5920                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opUndefTests.get());
5921         }
5922         fragments.clear();
5923
5924         fragments["testfun"] =
5925                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5926                 "%param1 = OpFunctionParameter %v4f32\n"
5927                 "%label_testfun = OpLabel\n"
5928                 "%undef = OpUndef %f32\n"
5929                 "%zero = OpFMul %f32 %undef %c_f32_0\n"
5930                 "%is_nan = OpIsNan %bool %zero\n" //OpUndef may result in NaN which may turn %zero into Nan.
5931                 "%actually_zero = OpSelect %f32 %is_nan %c_f32_0 %zero\n"
5932                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5933                 "%b = OpFAdd %f32 %a %actually_zero\n"
5934                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %b %c_i32_0\n"
5935                 "OpReturnValue %ret\n"
5936                 "OpFunctionEnd\n"
5937                 ;
5938         createTestsForAllStages("float32", defaultColors, defaultColors, fragments, opUndefTests.get());
5939
5940         fragments["testfun"] =
5941                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5942                 "%param1 = OpFunctionParameter %v4f32\n"
5943                 "%label_testfun = OpLabel\n"
5944                 "%undef = OpUndef %i32\n"
5945                 "%zero = OpIMul %i32 %undef %c_i32_0\n"
5946                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
5947                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
5948                 "OpReturnValue %ret\n"
5949                 "OpFunctionEnd\n"
5950                 ;
5951         createTestsForAllStages("sint32", defaultColors, defaultColors, fragments, opUndefTests.get());
5952
5953         fragments["testfun"] =
5954                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5955                 "%param1 = OpFunctionParameter %v4f32\n"
5956                 "%label_testfun = OpLabel\n"
5957                 "%undef = OpUndef %u32\n"
5958                 "%zero = OpIMul %u32 %undef %c_i32_0\n"
5959                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
5960                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
5961                 "OpReturnValue %ret\n"
5962                 "OpFunctionEnd\n"
5963                 ;
5964         createTestsForAllStages("uint32", defaultColors, defaultColors, fragments, opUndefTests.get());
5965
5966         fragments["testfun"] =
5967                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5968                 "%param1 = OpFunctionParameter %v4f32\n"
5969                 "%label_testfun = OpLabel\n"
5970                 "%undef = OpUndef %v4f32\n"
5971                 "%vzero = OpVectorTimesScalar %v4f32 %undef %c_f32_0\n"
5972                 "%zero_0 = OpVectorExtractDynamic %f32 %vzero %c_i32_0\n"
5973                 "%zero_1 = OpVectorExtractDynamic %f32 %vzero %c_i32_1\n"
5974                 "%zero_2 = OpVectorExtractDynamic %f32 %vzero %c_i32_2\n"
5975                 "%zero_3 = OpVectorExtractDynamic %f32 %vzero %c_i32_3\n"
5976                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
5977                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
5978                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
5979                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
5980                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
5981                 "%actually_zero_1 = OpSelect %f32 %is_nan_1 %c_f32_0 %zero_1\n"
5982                 "%actually_zero_2 = OpSelect %f32 %is_nan_2 %c_f32_0 %zero_2\n"
5983                 "%actually_zero_3 = OpSelect %f32 %is_nan_3 %c_f32_0 %zero_3\n"
5984                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5985                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
5986                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
5987                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
5988                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
5989                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
5990                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
5991                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
5992                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
5993                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
5994                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
5995                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
5996                 "OpReturnValue %ret\n"
5997                 "OpFunctionEnd\n"
5998                 ;
5999         createTestsForAllStages("vec4float32", defaultColors, defaultColors, fragments, opUndefTests.get());
6000
6001         fragments["pre_main"] =
6002                 "%m2x2f32 = OpTypeMatrix %v2f32 2\n";
6003         fragments["testfun"] =
6004                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6005                 "%param1 = OpFunctionParameter %v4f32\n"
6006                 "%label_testfun = OpLabel\n"
6007                 "%undef = OpUndef %m2x2f32\n"
6008                 "%mzero = OpMatrixTimesScalar %m2x2f32 %undef %c_f32_0\n"
6009                 "%zero_0 = OpCompositeExtract %f32 %mzero 0 0\n"
6010                 "%zero_1 = OpCompositeExtract %f32 %mzero 0 1\n"
6011                 "%zero_2 = OpCompositeExtract %f32 %mzero 1 0\n"
6012                 "%zero_3 = OpCompositeExtract %f32 %mzero 1 1\n"
6013                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
6014                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
6015                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
6016                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
6017                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
6018                 "%actually_zero_1 = OpSelect %f32 %is_nan_1 %c_f32_0 %zero_1\n"
6019                 "%actually_zero_2 = OpSelect %f32 %is_nan_2 %c_f32_0 %zero_2\n"
6020                 "%actually_zero_3 = OpSelect %f32 %is_nan_3 %c_f32_0 %zero_3\n"
6021                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6022                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
6023                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
6024                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
6025                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
6026                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
6027                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
6028                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
6029                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
6030                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
6031                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
6032                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
6033                 "OpReturnValue %ret\n"
6034                 "OpFunctionEnd\n"
6035                 ;
6036         createTestsForAllStages("matrix", defaultColors, defaultColors, fragments, opUndefTests.get());
6037
6038         return opUndefTests.release();
6039 }
6040
6041 void createOpQuantizeSingleOptionTests(tcu::TestCaseGroup* testCtx)
6042 {
6043         const RGBA              inputColors[4]          =
6044         {
6045                 RGBA(0,         0,              0,              255),
6046                 RGBA(0,         0,              255,    255),
6047                 RGBA(0,         255,    0,              255),
6048                 RGBA(0,         255,    255,    255)
6049         };
6050
6051         const RGBA              expectedColors[4]       =
6052         {
6053                 RGBA(255,        0,              0,              255),
6054                 RGBA(255,        0,              0,              255),
6055                 RGBA(255,        0,              0,              255),
6056                 RGBA(255,        0,              0,              255)
6057         };
6058
6059         const struct SingleFP16Possibility
6060         {
6061                 const char* name;
6062                 const char* constant;  // Value to assign to %test_constant.
6063                 float           valueAsFloat;
6064                 const char* condition; // Must assign to %cond an expression that evaluates to true after %c = OpQuantizeToF16(%test_constant + 0).
6065         }                               tests[]                         =
6066         {
6067                 {
6068                         "negative",
6069                         "-0x1.3p1\n",
6070                         -constructNormalizedFloat(1, 0x300000),
6071                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
6072                 }, // -19
6073                 {
6074                         "positive",
6075                         "0x1.0p7\n",
6076                         constructNormalizedFloat(7, 0x000000),
6077                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
6078                 },  // +128
6079                 // SPIR-V requires that OpQuantizeToF16 flushes
6080                 // any numbers that would end up denormalized in F16 to zero.
6081                 {
6082                         "denorm",
6083                         "0x0.0006p-126\n",
6084                         std::ldexp(1.5f, -140),
6085                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
6086                 },  // denorm
6087                 {
6088                         "negative_denorm",
6089                         "-0x0.0006p-126\n",
6090                         -std::ldexp(1.5f, -140),
6091                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
6092                 }, // -denorm
6093                 {
6094                         "too_small",
6095                         "0x1.0p-16\n",
6096                         std::ldexp(1.0f, -16),
6097                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
6098                 },     // too small positive
6099                 {
6100                         "negative_too_small",
6101                         "-0x1.0p-32\n",
6102                         -std::ldexp(1.0f, -32),
6103                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
6104                 },      // too small negative
6105                 {
6106                         "negative_inf",
6107                         "-0x1.0p128\n",
6108                         -std::ldexp(1.0f, 128),
6109
6110                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
6111                         "%inf = OpIsInf %bool %c\n"
6112                         "%cond = OpLogicalAnd %bool %gz %inf\n"
6113                 },     // -inf to -inf
6114                 {
6115                         "inf",
6116                         "0x1.0p128\n",
6117                         std::ldexp(1.0f, 128),
6118
6119                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
6120                         "%inf = OpIsInf %bool %c\n"
6121                         "%cond = OpLogicalAnd %bool %gz %inf\n"
6122                 },     // +inf to +inf
6123                 {
6124                         "round_to_negative_inf",
6125                         "-0x1.0p32\n",
6126                         -std::ldexp(1.0f, 32),
6127
6128                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
6129                         "%inf = OpIsInf %bool %c\n"
6130                         "%cond = OpLogicalAnd %bool %gz %inf\n"
6131                 },     // round to -inf
6132                 {
6133                         "round_to_inf",
6134                         "0x1.0p16\n",
6135                         std::ldexp(1.0f, 16),
6136
6137                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
6138                         "%inf = OpIsInf %bool %c\n"
6139                         "%cond = OpLogicalAnd %bool %gz %inf\n"
6140                 },     // round to +inf
6141                 {
6142                         "nan",
6143                         "0x1.1p128\n",
6144                         std::numeric_limits<float>::quiet_NaN(),
6145
6146                         // Test for any NaN value, as NaNs are not preserved
6147                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
6148                         "%cond = OpIsNan %bool %direct_quant\n"
6149                 }, // nan
6150                 {
6151                         "negative_nan",
6152                         "-0x1.0001p128\n",
6153                         std::numeric_limits<float>::quiet_NaN(),
6154
6155                         // Test for any NaN value, as NaNs are not preserved
6156                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
6157                         "%cond = OpIsNan %bool %direct_quant\n"
6158                 } // -nan
6159         };
6160         const char*             constants                       =
6161                 "%test_constant = OpConstant %f32 ";  // The value will be test.constant.
6162
6163         StringTemplate  function                        (
6164                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
6165                 "%param1        = OpFunctionParameter %v4f32\n"
6166                 "%label_testfun = OpLabel\n"
6167                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6168                 "%b             = OpFAdd %f32 %test_constant %a\n"
6169                 "%c             = OpQuantizeToF16 %f32 %b\n"
6170                 "${condition}\n"
6171                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
6172                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
6173                 "                 OpReturnValue %retval\n"
6174                 "OpFunctionEnd\n"
6175         );
6176
6177         const char*             specDecorations         = "OpDecorate %test_constant SpecId 0\n";
6178         const char*             specConstants           =
6179                         "%test_constant = OpSpecConstant %f32 0.\n"
6180                         "%c             = OpSpecConstantOp %f32 QuantizeToF16 %test_constant\n";
6181
6182         StringTemplate  specConstantFunction(
6183                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
6184                 "%param1        = OpFunctionParameter %v4f32\n"
6185                 "%label_testfun = OpLabel\n"
6186                 "${condition}\n"
6187                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
6188                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
6189                 "                 OpReturnValue %retval\n"
6190                 "OpFunctionEnd\n"
6191         );
6192
6193         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
6194         {
6195                 map<string, string>                                                             codeSpecialization;
6196                 map<string, string>                                                             fragments;
6197                 codeSpecialization["condition"]                                 = tests[idx].condition;
6198                 fragments["testfun"]                                                    = function.specialize(codeSpecialization);
6199                 fragments["pre_main"]                                                   = string(constants) + tests[idx].constant + "\n";
6200                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
6201         }
6202
6203         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
6204         {
6205                 map<string, string>                                                             codeSpecialization;
6206                 map<string, string>                                                             fragments;
6207                 vector<deInt32>                                                                 passConstants;
6208                 deInt32                                                                                 specConstant;
6209
6210                 codeSpecialization["condition"]                                 = tests[idx].condition;
6211                 fragments["testfun"]                                                    = specConstantFunction.specialize(codeSpecialization);
6212                 fragments["decoration"]                                                 = specDecorations;
6213                 fragments["pre_main"]                                                   = specConstants;
6214
6215                 memcpy(&specConstant, &tests[idx].valueAsFloat, sizeof(float));
6216                 passConstants.push_back(specConstant);
6217
6218                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
6219         }
6220 }
6221
6222 void createOpQuantizeTwoPossibilityTests(tcu::TestCaseGroup* testCtx)
6223 {
6224         RGBA inputColors[4] =  {
6225                 RGBA(0,         0,              0,              255),
6226                 RGBA(0,         0,              255,    255),
6227                 RGBA(0,         255,    0,              255),
6228                 RGBA(0,         255,    255,    255)
6229         };
6230
6231         RGBA expectedColors[4] =
6232         {
6233                 RGBA(255,        0,              0,              255),
6234                 RGBA(255,        0,              0,              255),
6235                 RGBA(255,        0,              0,              255),
6236                 RGBA(255,        0,              0,              255)
6237         };
6238
6239         struct DualFP16Possibility
6240         {
6241                 const char* name;
6242                 const char* input;
6243                 float           inputAsFloat;
6244                 const char* possibleOutput1;
6245                 const char* possibleOutput2;
6246         } tests[] = {
6247                 {
6248                         "positive_round_up_or_round_down",
6249                         "0x1.3003p8",
6250                         constructNormalizedFloat(8, 0x300300),
6251                         "0x1.304p8",
6252                         "0x1.3p8"
6253                 },
6254                 {
6255                         "negative_round_up_or_round_down",
6256                         "-0x1.6008p-7",
6257                         -constructNormalizedFloat(-7, 0x600800),
6258                         "-0x1.6p-7",
6259                         "-0x1.604p-7"
6260                 },
6261                 {
6262                         "carry_bit",
6263                         "0x1.01ep2",
6264                         constructNormalizedFloat(2, 0x01e000),
6265                         "0x1.01cp2",
6266                         "0x1.02p2"
6267                 },
6268                 {
6269                         "carry_to_exponent",
6270                         "0x1.ffep1",
6271                         constructNormalizedFloat(1, 0xffe000),
6272                         "0x1.ffcp1",
6273                         "0x1.0p2"
6274                 },
6275         };
6276         StringTemplate constants (
6277                 "%input_const = OpConstant %f32 ${input}\n"
6278                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
6279                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
6280                 );
6281
6282         StringTemplate specConstants (
6283                 "%input_const = OpSpecConstant %f32 0.\n"
6284                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
6285                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
6286         );
6287
6288         const char* specDecorations = "OpDecorate %input_const  SpecId 0\n";
6289
6290         const char* function  =
6291                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
6292                 "%param1        = OpFunctionParameter %v4f32\n"
6293                 "%label_testfun = OpLabel\n"
6294                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6295                 // For the purposes of this test we assume that 0.f will always get
6296                 // faithfully passed through the pipeline stages.
6297                 "%b             = OpFAdd %f32 %input_const %a\n"
6298                 "%c             = OpQuantizeToF16 %f32 %b\n"
6299                 "%eq_1          = OpFOrdEqual %bool %c %possible_solution1\n"
6300                 "%eq_2          = OpFOrdEqual %bool %c %possible_solution2\n"
6301                 "%cond          = OpLogicalOr %bool %eq_1 %eq_2\n"
6302                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
6303                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1"
6304                 "                 OpReturnValue %retval\n"
6305                 "OpFunctionEnd\n";
6306
6307         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
6308                 map<string, string>                                                                     fragments;
6309                 map<string, string>                                                                     constantSpecialization;
6310
6311                 constantSpecialization["input"]                                         = tests[idx].input;
6312                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
6313                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
6314                 fragments["testfun"]                                                            = function;
6315                 fragments["pre_main"]                                                           = constants.specialize(constantSpecialization);
6316                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
6317         }
6318
6319         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
6320                 map<string, string>                                                                     fragments;
6321                 map<string, string>                                                                     constantSpecialization;
6322                 vector<deInt32>                                                                         passConstants;
6323                 deInt32                                                                                         specConstant;
6324
6325                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
6326                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
6327                 fragments["testfun"]                                                            = function;
6328                 fragments["decoration"]                                                         = specDecorations;
6329                 fragments["pre_main"]                                                           = specConstants.specialize(constantSpecialization);
6330
6331                 memcpy(&specConstant, &tests[idx].inputAsFloat, sizeof(float));
6332                 passConstants.push_back(specConstant);
6333
6334                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
6335         }
6336 }
6337
6338 tcu::TestCaseGroup* createOpQuantizeTests(tcu::TestContext& testCtx)
6339 {
6340         de::MovePtr<tcu::TestCaseGroup> opQuantizeTests (new tcu::TestCaseGroup(testCtx, "opquantize", "Test OpQuantizeToF16"));
6341         createOpQuantizeSingleOptionTests(opQuantizeTests.get());
6342         createOpQuantizeTwoPossibilityTests(opQuantizeTests.get());
6343         return opQuantizeTests.release();
6344 }
6345
6346 struct ShaderPermutation
6347 {
6348         deUint8 vertexPermutation;
6349         deUint8 geometryPermutation;
6350         deUint8 tesscPermutation;
6351         deUint8 tessePermutation;
6352         deUint8 fragmentPermutation;
6353 };
6354
6355 ShaderPermutation getShaderPermutation(deUint8 inputValue)
6356 {
6357         ShaderPermutation       permutation =
6358         {
6359                 static_cast<deUint8>(inputValue & 0x10? 1u: 0u),
6360                 static_cast<deUint8>(inputValue & 0x08? 1u: 0u),
6361                 static_cast<deUint8>(inputValue & 0x04? 1u: 0u),
6362                 static_cast<deUint8>(inputValue & 0x02? 1u: 0u),
6363                 static_cast<deUint8>(inputValue & 0x01? 1u: 0u)
6364         };
6365         return permutation;
6366 }
6367
6368 tcu::TestCaseGroup* createModuleTests(tcu::TestContext& testCtx)
6369 {
6370         RGBA                                                            defaultColors[4];
6371         RGBA                                                            invertedColors[4];
6372         de::MovePtr<tcu::TestCaseGroup>         moduleTests                     (new tcu::TestCaseGroup(testCtx, "module", "Multiple entry points into shaders"));
6373
6374         const ShaderElement                                     combinedPipeline[]      =
6375         {
6376                 ShaderElement("module", "main", VK_SHADER_STAGE_VERTEX_BIT),
6377                 ShaderElement("module", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
6378                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
6379                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
6380                 ShaderElement("module", "main", VK_SHADER_STAGE_FRAGMENT_BIT)
6381         };
6382
6383         getDefaultColors(defaultColors);
6384         getInvertedDefaultColors(invertedColors);
6385         addFunctionCaseWithPrograms<InstanceContext>(
6386                         moduleTests.get(), "same_module", "", createCombinedModule, runAndVerifyDefaultPipeline,
6387                         createInstanceContext(combinedPipeline, map<string, string>()));
6388
6389         const char* numbers[] =
6390         {
6391                 "1", "2"
6392         };
6393
6394         for (deInt8 idx = 0; idx < 32; ++idx)
6395         {
6396                 ShaderPermutation                       permutation             = getShaderPermutation(idx);
6397                 string                                          name                    = string("vert") + numbers[permutation.vertexPermutation] + "_geom" + numbers[permutation.geometryPermutation] + "_tessc" + numbers[permutation.tesscPermutation] + "_tesse" + numbers[permutation.tessePermutation] + "_frag" + numbers[permutation.fragmentPermutation];
6398                 const ShaderElement                     pipeline[]              =
6399                 {
6400                         ShaderElement("vert",   string("vert") +        numbers[permutation.vertexPermutation],         VK_SHADER_STAGE_VERTEX_BIT),
6401                         ShaderElement("geom",   string("geom") +        numbers[permutation.geometryPermutation],       VK_SHADER_STAGE_GEOMETRY_BIT),
6402                         ShaderElement("tessc",  string("tessc") +       numbers[permutation.tesscPermutation],          VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
6403                         ShaderElement("tesse",  string("tesse") +       numbers[permutation.tessePermutation],          VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
6404                         ShaderElement("frag",   string("frag") +        numbers[permutation.fragmentPermutation],       VK_SHADER_STAGE_FRAGMENT_BIT)
6405                 };
6406
6407                 // If there are an even number of swaps, then it should be no-op.
6408                 // If there are an odd number, the color should be flipped.
6409                 if ((permutation.vertexPermutation + permutation.geometryPermutation + permutation.tesscPermutation + permutation.tessePermutation + permutation.fragmentPermutation) % 2 == 0)
6410                 {
6411                         addFunctionCaseWithPrograms<InstanceContext>(
6412                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
6413                                         createInstanceContext(pipeline, defaultColors, defaultColors, map<string, string>()));
6414                 }
6415                 else
6416                 {
6417                         addFunctionCaseWithPrograms<InstanceContext>(
6418                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
6419                                         createInstanceContext(pipeline, defaultColors, invertedColors, map<string, string>()));
6420                 }
6421         }
6422         return moduleTests.release();
6423 }
6424
6425 tcu::TestCaseGroup* createLoopTests(tcu::TestContext& testCtx)
6426 {
6427         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "loop", "Looping control flow"));
6428         RGBA defaultColors[4];
6429         getDefaultColors(defaultColors);
6430         map<string, string> fragments;
6431         fragments["pre_main"] =
6432                 "%c_f32_5 = OpConstant %f32 5.\n";
6433
6434         // A loop with a single block. The Continue Target is the loop block
6435         // itself. In SPIR-V terms, the "loop construct" contains no blocks at all
6436         // -- the "continue construct" forms the entire loop.
6437         fragments["testfun"] =
6438                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6439                 "%param1 = OpFunctionParameter %v4f32\n"
6440
6441                 "%entry = OpLabel\n"
6442                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6443                 "OpBranch %loop\n"
6444
6445                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
6446                 "%loop = OpLabel\n"
6447                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
6448                 "%delta = OpPhi %f32 %c_f32_1 %entry %minus_delta %loop\n"
6449                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
6450                 "%val = OpFAdd %f32 %val1 %delta\n"
6451                 "%minus_delta = OpFSub %f32 %c_f32_0 %delta\n"
6452                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6453                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6454                 "OpLoopMerge %exit %loop None\n"
6455                 "OpBranchConditional %again %loop %exit\n"
6456
6457                 "%exit = OpLabel\n"
6458                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
6459                 "OpReturnValue %result\n"
6460
6461                 "OpFunctionEnd\n"
6462                 ;
6463         createTestsForAllStages("single_block", defaultColors, defaultColors, fragments, testGroup.get());
6464
6465         // Body comprised of multiple basic blocks.
6466         const StringTemplate multiBlock(
6467                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6468                 "%param1 = OpFunctionParameter %v4f32\n"
6469
6470                 "%entry = OpLabel\n"
6471                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6472                 "OpBranch %loop\n"
6473
6474                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
6475                 "%loop = OpLabel\n"
6476                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %gather\n"
6477                 "%delta = OpPhi %f32 %c_f32_1 %entry %delta_next %gather\n"
6478                 "%val1 = OpPhi %f32 %val0 %entry %val %gather\n"
6479                 // There are several possibilities for the Continue Target below.  Each
6480                 // will be specialized into a separate test case.
6481                 "OpLoopMerge %exit ${continue_target} None\n"
6482                 "OpBranch %if\n"
6483
6484                 "%if = OpLabel\n"
6485                 ";delta_next = (delta > 0) ? -1 : 1;\n"
6486                 "%gt0 = OpFOrdGreaterThan %bool %delta %c_f32_0\n"
6487                 "OpSelectionMerge %gather DontFlatten\n"
6488                 "OpBranchConditional %gt0 %even %odd ;tells us if %count is even or odd\n"
6489
6490                 "%odd = OpLabel\n"
6491                 "OpBranch %gather\n"
6492
6493                 "%even = OpLabel\n"
6494                 "OpBranch %gather\n"
6495
6496                 "%gather = OpLabel\n"
6497                 "%delta_next = OpPhi %f32 %c_f32_n1 %even %c_f32_1 %odd\n"
6498                 "%val = OpFAdd %f32 %val1 %delta\n"
6499                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6500                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6501                 "OpBranchConditional %again %loop %exit\n"
6502
6503                 "%exit = OpLabel\n"
6504                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
6505                 "OpReturnValue %result\n"
6506
6507                 "OpFunctionEnd\n");
6508
6509         map<string, string> continue_target;
6510
6511         // The Continue Target is the loop block itself.
6512         continue_target["continue_target"] = "%loop";
6513         fragments["testfun"] = multiBlock.specialize(continue_target);
6514         createTestsForAllStages("multi_block_continue_construct", defaultColors, defaultColors, fragments, testGroup.get());
6515
6516         // The Continue Target is at the end of the loop.
6517         continue_target["continue_target"] = "%gather";
6518         fragments["testfun"] = multiBlock.specialize(continue_target);
6519         createTestsForAllStages("multi_block_loop_construct", defaultColors, defaultColors, fragments, testGroup.get());
6520
6521         // A loop with continue statement.
6522         fragments["testfun"] =
6523                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6524                 "%param1 = OpFunctionParameter %v4f32\n"
6525
6526                 "%entry = OpLabel\n"
6527                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6528                 "OpBranch %loop\n"
6529
6530                 ";adds 4, 3, and 1 to %val0 (skips 2)\n"
6531                 "%loop = OpLabel\n"
6532                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
6533                 "%val1 = OpPhi %f32 %val0 %entry %val %continue\n"
6534                 "OpLoopMerge %exit %continue None\n"
6535                 "OpBranch %if\n"
6536
6537                 "%if = OpLabel\n"
6538                 ";skip if %count==2\n"
6539                 "%eq2 = OpIEqual %bool %count %c_i32_2\n"
6540                 "OpSelectionMerge %continue DontFlatten\n"
6541                 "OpBranchConditional %eq2 %continue %body\n"
6542
6543                 "%body = OpLabel\n"
6544                 "%fcount = OpConvertSToF %f32 %count\n"
6545                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
6546                 "OpBranch %continue\n"
6547
6548                 "%continue = OpLabel\n"
6549                 "%val = OpPhi %f32 %val2 %body %val1 %if\n"
6550                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6551                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6552                 "OpBranchConditional %again %loop %exit\n"
6553
6554                 "%exit = OpLabel\n"
6555                 "%same = OpFSub %f32 %val %c_f32_8\n"
6556                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
6557                 "OpReturnValue %result\n"
6558                 "OpFunctionEnd\n";
6559         createTestsForAllStages("continue", defaultColors, defaultColors, fragments, testGroup.get());
6560
6561         // A loop with break.
6562         fragments["testfun"] =
6563                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6564                 "%param1 = OpFunctionParameter %v4f32\n"
6565
6566                 "%entry = OpLabel\n"
6567                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
6568                 "%dot = OpDot %f32 %param1 %param1\n"
6569                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
6570                 "%zero = OpConvertFToU %u32 %div\n"
6571                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
6572                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6573                 "OpBranch %loop\n"
6574
6575                 ";adds 4 and 3 to %val0 (exits early)\n"
6576                 "%loop = OpLabel\n"
6577                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
6578                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
6579                 "OpLoopMerge %exit %continue None\n"
6580                 "OpBranch %if\n"
6581
6582                 "%if = OpLabel\n"
6583                 ";end loop if %count==%two\n"
6584                 "%above2 = OpSGreaterThan %bool %count %two\n"
6585                 "OpSelectionMerge %continue DontFlatten\n"
6586                 "OpBranchConditional %above2 %body %exit\n"
6587
6588                 "%body = OpLabel\n"
6589                 "%fcount = OpConvertSToF %f32 %count\n"
6590                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
6591                 "OpBranch %continue\n"
6592
6593                 "%continue = OpLabel\n"
6594                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6595                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6596                 "OpBranchConditional %again %loop %exit\n"
6597
6598                 "%exit = OpLabel\n"
6599                 "%val_post = OpPhi %f32 %val2 %continue %val1 %if\n"
6600                 "%same = OpFSub %f32 %val_post %c_f32_7\n"
6601                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
6602                 "OpReturnValue %result\n"
6603                 "OpFunctionEnd\n";
6604         createTestsForAllStages("break", defaultColors, defaultColors, fragments, testGroup.get());
6605
6606         // A loop with return.
6607         fragments["testfun"] =
6608                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6609                 "%param1 = OpFunctionParameter %v4f32\n"
6610
6611                 "%entry = OpLabel\n"
6612                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
6613                 "%dot = OpDot %f32 %param1 %param1\n"
6614                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
6615                 "%zero = OpConvertFToU %u32 %div\n"
6616                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
6617                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6618                 "OpBranch %loop\n"
6619
6620                 ";returns early without modifying %param1\n"
6621                 "%loop = OpLabel\n"
6622                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
6623                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
6624                 "OpLoopMerge %exit %continue None\n"
6625                 "OpBranch %if\n"
6626
6627                 "%if = OpLabel\n"
6628                 ";return if %count==%two\n"
6629                 "%above2 = OpSGreaterThan %bool %count %two\n"
6630                 "OpSelectionMerge %continue DontFlatten\n"
6631                 "OpBranchConditional %above2 %body %early_exit\n"
6632
6633                 "%early_exit = OpLabel\n"
6634                 "OpReturnValue %param1\n"
6635
6636                 "%body = OpLabel\n"
6637                 "%fcount = OpConvertSToF %f32 %count\n"
6638                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
6639                 "OpBranch %continue\n"
6640
6641                 "%continue = OpLabel\n"
6642                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6643                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6644                 "OpBranchConditional %again %loop %exit\n"
6645
6646                 "%exit = OpLabel\n"
6647                 ";should never get here, so return an incorrect result\n"
6648                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val2 %c_i32_0\n"
6649                 "OpReturnValue %result\n"
6650                 "OpFunctionEnd\n";
6651         createTestsForAllStages("return", defaultColors, defaultColors, fragments, testGroup.get());
6652
6653         return testGroup.release();
6654 }
6655
6656 // A collection of tests putting OpControlBarrier in places GLSL forbids but SPIR-V allows.
6657 tcu::TestCaseGroup* createBarrierTests(tcu::TestContext& testCtx)
6658 {
6659         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "barrier", "OpControlBarrier"));
6660         map<string, string> fragments;
6661
6662         // A barrier inside a function body.
6663         fragments["pre_main"] =
6664                 "%Workgroup = OpConstant %i32 2\n"
6665                 "%SequentiallyConsistent = OpConstant %i32 0x10\n";
6666         fragments["testfun"] =
6667                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6668                 "%param1 = OpFunctionParameter %v4f32\n"
6669                 "%label_testfun = OpLabel\n"
6670                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6671                 "OpReturnValue %param1\n"
6672                 "OpFunctionEnd\n";
6673         addTessCtrlTest(testGroup.get(), "in_function", fragments);
6674
6675         // Common setup code for the following tests.
6676         fragments["pre_main"] =
6677                 "%Workgroup = OpConstant %i32 2\n"
6678                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
6679                 "%c_f32_5 = OpConstant %f32 5.\n";
6680         const string setupPercentZero =  // Begins %test_code function with code that sets %zero to 0u but cannot be optimized away.
6681                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6682                 "%param1 = OpFunctionParameter %v4f32\n"
6683                 "%entry = OpLabel\n"
6684                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
6685                 "%dot = OpDot %f32 %param1 %param1\n"
6686                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
6687                 "%zero = OpConvertFToU %u32 %div\n";
6688
6689         // Barriers inside OpSwitch branches.
6690         fragments["testfun"] =
6691                 setupPercentZero +
6692                 "OpSelectionMerge %switch_exit None\n"
6693                 "OpSwitch %zero %switch_default 0 %case0 1 %case1 ;should always go to %case0\n"
6694
6695                 "%case1 = OpLabel\n"
6696                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
6697                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6698                 "%wrong_branch_alert1 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
6699                 "OpBranch %switch_exit\n"
6700
6701                 "%switch_default = OpLabel\n"
6702                 "%wrong_branch_alert2 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
6703                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
6704                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6705                 "OpBranch %switch_exit\n"
6706
6707                 "%case0 = OpLabel\n"
6708                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6709                 "OpBranch %switch_exit\n"
6710
6711                 "%switch_exit = OpLabel\n"
6712                 "%ret = OpPhi %v4f32 %param1 %case0 %wrong_branch_alert1 %case1 %wrong_branch_alert2 %switch_default\n"
6713                 "OpReturnValue %ret\n"
6714                 "OpFunctionEnd\n";
6715         addTessCtrlTest(testGroup.get(), "in_switch", fragments);
6716
6717         // Barriers inside if-then-else.
6718         fragments["testfun"] =
6719                 setupPercentZero +
6720                 "%eq0 = OpIEqual %bool %zero %c_u32_0\n"
6721                 "OpSelectionMerge %exit DontFlatten\n"
6722                 "OpBranchConditional %eq0 %then %else\n"
6723
6724                 "%else = OpLabel\n"
6725                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
6726                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6727                 "%wrong_branch_alert = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
6728                 "OpBranch %exit\n"
6729
6730                 "%then = OpLabel\n"
6731                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6732                 "OpBranch %exit\n"
6733
6734                 "%exit = OpLabel\n"
6735                 "%ret = OpPhi %v4f32 %param1 %then %wrong_branch_alert %else\n"
6736                 "OpReturnValue %ret\n"
6737                 "OpFunctionEnd\n";
6738         addTessCtrlTest(testGroup.get(), "in_if", fragments);
6739
6740         // A barrier after control-flow reconvergence, tempting the compiler to attempt something like this:
6741         // http://lists.llvm.org/pipermail/llvm-dev/2009-October/026317.html.
6742         fragments["testfun"] =
6743                 setupPercentZero +
6744                 "%thread_id = OpLoad %i32 %BP_gl_InvocationID\n"
6745                 "%thread0 = OpIEqual %bool %thread_id %c_i32_0\n"
6746                 "OpSelectionMerge %exit DontFlatten\n"
6747                 "OpBranchConditional %thread0 %then %else\n"
6748
6749                 "%else = OpLabel\n"
6750                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6751                 "OpBranch %exit\n"
6752
6753                 "%then = OpLabel\n"
6754                 "%val1 = OpVectorExtractDynamic %f32 %param1 %zero\n"
6755                 "OpBranch %exit\n"
6756
6757                 "%exit = OpLabel\n"
6758                 "%val = OpPhi %f32 %val0 %else %val1 %then\n"
6759                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6760                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %val %zero\n"
6761                 "OpReturnValue %ret\n"
6762                 "OpFunctionEnd\n";
6763         addTessCtrlTest(testGroup.get(), "after_divergent_if", fragments);
6764
6765         // A barrier inside a loop.
6766         fragments["pre_main"] =
6767                 "%Workgroup = OpConstant %i32 2\n"
6768                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
6769                 "%c_f32_10 = OpConstant %f32 10.\n";
6770         fragments["testfun"] =
6771                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6772                 "%param1 = OpFunctionParameter %v4f32\n"
6773                 "%entry = OpLabel\n"
6774                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6775                 "OpBranch %loop\n"
6776
6777                 ";adds 4, 3, 2, and 1 to %val0\n"
6778                 "%loop = OpLabel\n"
6779                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
6780                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
6781                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
6782                 "%fcount = OpConvertSToF %f32 %count\n"
6783                 "%val = OpFAdd %f32 %val1 %fcount\n"
6784                 "%count__ = OpISub %i32 %count %c_i32_1\n"
6785                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
6786                 "OpLoopMerge %exit %loop None\n"
6787                 "OpBranchConditional %again %loop %exit\n"
6788
6789                 "%exit = OpLabel\n"
6790                 "%same = OpFSub %f32 %val %c_f32_10\n"
6791                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
6792                 "OpReturnValue %ret\n"
6793                 "OpFunctionEnd\n";
6794         addTessCtrlTest(testGroup.get(), "in_loop", fragments);
6795
6796         return testGroup.release();
6797 }
6798
6799 // Test for the OpFRem instruction.
6800 tcu::TestCaseGroup* createFRemTests(tcu::TestContext& testCtx)
6801 {
6802         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "frem", "OpFRem"));
6803         map<string, string>                                     fragments;
6804         RGBA                                                            inputColors[4];
6805         RGBA                                                            outputColors[4];
6806
6807         fragments["pre_main"]                            =
6808                 "%c_f32_3 = OpConstant %f32 3.0\n"
6809                 "%c_f32_n3 = OpConstant %f32 -3.0\n"
6810                 "%c_f32_4 = OpConstant %f32 4.0\n"
6811                 "%c_f32_p75 = OpConstant %f32 0.75\n"
6812                 "%c_v4f32_p75_p75_p75_p75 = OpConstantComposite %v4f32 %c_f32_p75 %c_f32_p75 %c_f32_p75 %c_f32_p75 \n"
6813                 "%c_v4f32_4_4_4_4 = OpConstantComposite %v4f32 %c_f32_4 %c_f32_4 %c_f32_4 %c_f32_4\n"
6814                 "%c_v4f32_3_n3_3_n3 = OpConstantComposite %v4f32 %c_f32_3 %c_f32_n3 %c_f32_3 %c_f32_n3\n";
6815
6816         // The test does the following.
6817         // vec4 result = (param1 * 8.0) - 4.0;
6818         // return (frem(result.x,3) + 0.75, frem(result.y, -3) + 0.75, 0, 1)
6819         fragments["testfun"]                             =
6820                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6821                 "%param1 = OpFunctionParameter %v4f32\n"
6822                 "%label_testfun = OpLabel\n"
6823                 "%v_times_8 = OpVectorTimesScalar %v4f32 %param1 %c_f32_8\n"
6824                 "%minus_4 = OpFSub %v4f32 %v_times_8 %c_v4f32_4_4_4_4\n"
6825                 "%frem = OpFRem %v4f32 %minus_4 %c_v4f32_3_n3_3_n3\n"
6826                 "%added = OpFAdd %v4f32 %frem %c_v4f32_p75_p75_p75_p75\n"
6827                 "%xyz_1 = OpVectorInsertDynamic %v4f32 %added %c_f32_1 %c_i32_3\n"
6828                 "%xy_0_1 = OpVectorInsertDynamic %v4f32 %xyz_1 %c_f32_0 %c_i32_2\n"
6829                 "OpReturnValue %xy_0_1\n"
6830                 "OpFunctionEnd\n";
6831
6832
6833         inputColors[0]          = RGBA(16,      16,             0, 255);
6834         inputColors[1]          = RGBA(232, 232,        0, 255);
6835         inputColors[2]          = RGBA(232, 16,         0, 255);
6836         inputColors[3]          = RGBA(16,      232,    0, 255);
6837
6838         outputColors[0]         = RGBA(64,      64,             0, 255);
6839         outputColors[1]         = RGBA(255, 255,        0, 255);
6840         outputColors[2]         = RGBA(255, 64,         0, 255);
6841         outputColors[3]         = RGBA(64,      255,    0, 255);
6842
6843         createTestsForAllStages("frem", inputColors, outputColors, fragments, testGroup.get());
6844         return testGroup.release();
6845 }
6846
6847 // Test for the OpSRem instruction.
6848 tcu::TestCaseGroup* createOpSRemGraphicsTests(tcu::TestContext& testCtx, qpTestResult negFailResult)
6849 {
6850         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "srem", "OpSRem"));
6851         map<string, string>                                     fragments;
6852
6853         fragments["pre_main"]                            =
6854                 "%c_f32_255 = OpConstant %f32 255.0\n"
6855                 "%c_i32_128 = OpConstant %i32 128\n"
6856                 "%c_i32_255 = OpConstant %i32 255\n"
6857                 "%c_v4f32_255 = OpConstantComposite %v4f32 %c_f32_255 %c_f32_255 %c_f32_255 %c_f32_255 \n"
6858                 "%c_v4f32_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 \n"
6859                 "%c_v4i32_128 = OpConstantComposite %v4i32 %c_i32_128 %c_i32_128 %c_i32_128 %c_i32_128 \n";
6860
6861         // The test does the following.
6862         // ivec4 ints = int(param1 * 255.0 + 0.5) - 128;
6863         // ivec4 result = ivec4(srem(ints.x, ints.y), srem(ints.y, ints.z), srem(ints.z, ints.x), 255);
6864         // return float(result + 128) / 255.0;
6865         fragments["testfun"]                             =
6866                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6867                 "%param1 = OpFunctionParameter %v4f32\n"
6868                 "%label_testfun = OpLabel\n"
6869                 "%div255 = OpFMul %v4f32 %param1 %c_v4f32_255\n"
6870                 "%add0_5 = OpFAdd %v4f32 %div255 %c_v4f32_0_5\n"
6871                 "%uints_in = OpConvertFToS %v4i32 %add0_5\n"
6872                 "%ints_in = OpISub %v4i32 %uints_in %c_v4i32_128\n"
6873                 "%x_in = OpCompositeExtract %i32 %ints_in 0\n"
6874                 "%y_in = OpCompositeExtract %i32 %ints_in 1\n"
6875                 "%z_in = OpCompositeExtract %i32 %ints_in 2\n"
6876                 "%x_out = OpSRem %i32 %x_in %y_in\n"
6877                 "%y_out = OpSRem %i32 %y_in %z_in\n"
6878                 "%z_out = OpSRem %i32 %z_in %x_in\n"
6879                 "%ints_out = OpCompositeConstruct %v4i32 %x_out %y_out %z_out %c_i32_255\n"
6880                 "%ints_offset = OpIAdd %v4i32 %ints_out %c_v4i32_128\n"
6881                 "%f_ints_offset = OpConvertSToF %v4f32 %ints_offset\n"
6882                 "%float_out = OpFDiv %v4f32 %f_ints_offset %c_v4f32_255\n"
6883                 "OpReturnValue %float_out\n"
6884                 "OpFunctionEnd\n";
6885
6886         const struct CaseParams
6887         {
6888                 const char*             name;
6889                 const char*             failMessageTemplate;    // customized status message
6890                 qpTestResult    failResult;                             // override status on failure
6891                 int                             operands[4][3];                 // four (x, y, z) vectors of operands
6892                 int                             results[4][3];                  // four (x, y, z) vectors of results
6893         } cases[] =
6894         {
6895                 {
6896                         "positive",
6897                         "${reason}",
6898                         QP_TEST_RESULT_FAIL,
6899                         { { 5, 12, 17 }, { 5, 5, 7 }, { 75, 8, 81 }, { 25, 60, 100 } },                 // operands
6900                         { { 5, 12,  2 }, { 0, 5, 2 }, {  3, 8,  6 }, { 25, 60,   0 } },                 // results
6901                 },
6902                 {
6903                         "all",
6904                         "Inconsistent results, but within specification: ${reason}",
6905                         negFailResult,                                                                                                                  // negative operands, not required by the spec
6906                         { { 5, 12, -17 }, { -5, -5, 7 }, { 75, 8, -81 }, { 25, -60, 100 } },    // operands
6907                         { { 5, 12,  -2 }, {  0, -5, 2 }, {  3, 8,  -6 }, { 25, -60,   0 } },    // results
6908                 },
6909         };
6910         // If either operand is negative the result is undefined. Some implementations may still return correct values.
6911
6912         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
6913         {
6914                 const CaseParams&       params                  = cases[caseNdx];
6915                 RGBA                            inputColors[4];
6916                 RGBA                            outputColors[4];
6917
6918                 for (int i = 0; i < 4; ++i)
6919                 {
6920                         inputColors [i] = RGBA(params.operands[i][0] + 128, params.operands[i][1] + 128, params.operands[i][2] + 128, 255);
6921                         outputColors[i] = RGBA(params.results [i][0] + 128, params.results [i][1] + 128, params.results [i][2] + 128, 255);
6922                 }
6923
6924                 createTestsForAllStages(params.name, inputColors, outputColors, fragments, testGroup.get(), params.failResult, params.failMessageTemplate);
6925         }
6926
6927         return testGroup.release();
6928 }
6929
6930 // Test for the OpSMod instruction.
6931 tcu::TestCaseGroup* createOpSModGraphicsTests(tcu::TestContext& testCtx, qpTestResult negFailResult)
6932 {
6933         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "smod", "OpSMod"));
6934         map<string, string>                                     fragments;
6935
6936         fragments["pre_main"]                            =
6937                 "%c_f32_255 = OpConstant %f32 255.0\n"
6938                 "%c_i32_128 = OpConstant %i32 128\n"
6939                 "%c_i32_255 = OpConstant %i32 255\n"
6940                 "%c_v4f32_255 = OpConstantComposite %v4f32 %c_f32_255 %c_f32_255 %c_f32_255 %c_f32_255 \n"
6941                 "%c_v4f32_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 \n"
6942                 "%c_v4i32_128 = OpConstantComposite %v4i32 %c_i32_128 %c_i32_128 %c_i32_128 %c_i32_128 \n";
6943
6944         // The test does the following.
6945         // ivec4 ints = int(param1 * 255.0 + 0.5) - 128;
6946         // ivec4 result = ivec4(smod(ints.x, ints.y), smod(ints.y, ints.z), smod(ints.z, ints.x), 255);
6947         // return float(result + 128) / 255.0;
6948         fragments["testfun"]                             =
6949                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6950                 "%param1 = OpFunctionParameter %v4f32\n"
6951                 "%label_testfun = OpLabel\n"
6952                 "%div255 = OpFMul %v4f32 %param1 %c_v4f32_255\n"
6953                 "%add0_5 = OpFAdd %v4f32 %div255 %c_v4f32_0_5\n"
6954                 "%uints_in = OpConvertFToS %v4i32 %add0_5\n"
6955                 "%ints_in = OpISub %v4i32 %uints_in %c_v4i32_128\n"
6956                 "%x_in = OpCompositeExtract %i32 %ints_in 0\n"
6957                 "%y_in = OpCompositeExtract %i32 %ints_in 1\n"
6958                 "%z_in = OpCompositeExtract %i32 %ints_in 2\n"
6959                 "%x_out = OpSMod %i32 %x_in %y_in\n"
6960                 "%y_out = OpSMod %i32 %y_in %z_in\n"
6961                 "%z_out = OpSMod %i32 %z_in %x_in\n"
6962                 "%ints_out = OpCompositeConstruct %v4i32 %x_out %y_out %z_out %c_i32_255\n"
6963                 "%ints_offset = OpIAdd %v4i32 %ints_out %c_v4i32_128\n"
6964                 "%f_ints_offset = OpConvertSToF %v4f32 %ints_offset\n"
6965                 "%float_out = OpFDiv %v4f32 %f_ints_offset %c_v4f32_255\n"
6966                 "OpReturnValue %float_out\n"
6967                 "OpFunctionEnd\n";
6968
6969         const struct CaseParams
6970         {
6971                 const char*             name;
6972                 const char*             failMessageTemplate;    // customized status message
6973                 qpTestResult    failResult;                             // override status on failure
6974                 int                             operands[4][3];                 // four (x, y, z) vectors of operands
6975                 int                             results[4][3];                  // four (x, y, z) vectors of results
6976         } cases[] =
6977         {
6978                 {
6979                         "positive",
6980                         "${reason}",
6981                         QP_TEST_RESULT_FAIL,
6982                         { { 5, 12, 17 }, { 5, 5, 7 }, { 75, 8, 81 }, { 25, 60, 100 } },                         // operands
6983                         { { 5, 12,  2 }, { 0, 5, 2 }, {  3, 8,  6 }, { 25, 60,   0 } },                         // results
6984                 },
6985                 {
6986                         "all",
6987                         "Inconsistent results, but within specification: ${reason}",
6988                         negFailResult,                                                                                                                          // negative operands, not required by the spec
6989                         { { 5, 12, -17 }, { -5, -5,  7 }, { 75,   8, -81 }, {  25, -60, 100 } },        // operands
6990                         { { 5, -5,   3 }, {  0,  2, -3 }, {  3, -73,  69 }, { -35,  40,   0 } },        // results
6991                 },
6992         };
6993         // If either operand is negative the result is undefined. Some implementations may still return correct values.
6994
6995         for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(cases); ++caseNdx)
6996         {
6997                 const CaseParams&       params                  = cases[caseNdx];
6998                 RGBA                            inputColors[4];
6999                 RGBA                            outputColors[4];
7000
7001                 for (int i = 0; i < 4; ++i)
7002                 {
7003                         inputColors [i] = RGBA(params.operands[i][0] + 128, params.operands[i][1] + 128, params.operands[i][2] + 128, 255);
7004                         outputColors[i] = RGBA(params.results [i][0] + 128, params.results [i][1] + 128, params.results [i][2] + 128, 255);
7005                 }
7006
7007                 createTestsForAllStages(params.name, inputColors, outputColors, fragments, testGroup.get(), params.failResult, params.failMessageTemplate);
7008         }
7009         return testGroup.release();
7010 }
7011
7012
7013 enum IntegerType
7014 {
7015         INTEGER_TYPE_SIGNED_16,
7016         INTEGER_TYPE_SIGNED_32,
7017         INTEGER_TYPE_SIGNED_64,
7018
7019         INTEGER_TYPE_UNSIGNED_16,
7020         INTEGER_TYPE_UNSIGNED_32,
7021         INTEGER_TYPE_UNSIGNED_64,
7022 };
7023
7024 const string getBitWidthStr (IntegerType type)
7025 {
7026         switch (type)
7027         {
7028                 case INTEGER_TYPE_SIGNED_16:
7029                 case INTEGER_TYPE_UNSIGNED_16:  return "16";
7030
7031                 case INTEGER_TYPE_SIGNED_32:
7032                 case INTEGER_TYPE_UNSIGNED_32:  return "32";
7033
7034                 case INTEGER_TYPE_SIGNED_64:
7035                 case INTEGER_TYPE_UNSIGNED_64:  return "64";
7036
7037                 default:                                                DE_ASSERT(false);
7038                                                                                 return "";
7039         }
7040 }
7041
7042 const string getByteWidthStr (IntegerType type)
7043 {
7044         switch (type)
7045         {
7046                 case INTEGER_TYPE_SIGNED_16:
7047                 case INTEGER_TYPE_UNSIGNED_16:  return "2";
7048
7049                 case INTEGER_TYPE_SIGNED_32:
7050                 case INTEGER_TYPE_UNSIGNED_32:  return "4";
7051
7052                 case INTEGER_TYPE_SIGNED_64:
7053                 case INTEGER_TYPE_UNSIGNED_64:  return "8";
7054
7055                 default:                                                DE_ASSERT(false);
7056                                                                                 return "";
7057         }
7058 }
7059
7060 bool isSigned (IntegerType type)
7061 {
7062         return (type <= INTEGER_TYPE_SIGNED_64);
7063 }
7064
7065 const string getTypeName (IntegerType type)
7066 {
7067         string prefix = isSigned(type) ? "" : "u";
7068         return prefix + "int" + getBitWidthStr(type);
7069 }
7070
7071 const string getTestName (IntegerType from, IntegerType to)
7072 {
7073         return getTypeName(from) + "_to_" + getTypeName(to);
7074 }
7075
7076 const string getAsmTypeDeclaration (IntegerType type)
7077 {
7078         string sign = isSigned(type) ? " 1" : " 0";
7079         return "OpTypeInt " + getBitWidthStr(type) + sign;
7080 }
7081
7082 template<typename T>
7083 BufferSp getSpecializedBuffer (deInt64 number)
7084 {
7085         return BufferSp(new Buffer<T>(vector<T>(1, (T)number)));
7086 }
7087
7088 BufferSp getBuffer (IntegerType type, deInt64 number)
7089 {
7090         switch (type)
7091         {
7092                 case INTEGER_TYPE_SIGNED_16:    return getSpecializedBuffer<deInt16>(number);
7093                 case INTEGER_TYPE_SIGNED_32:    return getSpecializedBuffer<deInt32>(number);
7094                 case INTEGER_TYPE_SIGNED_64:    return getSpecializedBuffer<deInt64>(number);
7095
7096                 case INTEGER_TYPE_UNSIGNED_16:  return getSpecializedBuffer<deUint16>(number);
7097                 case INTEGER_TYPE_UNSIGNED_32:  return getSpecializedBuffer<deUint32>(number);
7098                 case INTEGER_TYPE_UNSIGNED_64:  return getSpecializedBuffer<deUint64>(number);
7099
7100                 default:                                                DE_ASSERT(false);
7101                                                                                 return BufferSp(new Buffer<deInt32>(vector<deInt32>(1, 0)));
7102         }
7103 }
7104
7105 bool usesInt16 (IntegerType from, IntegerType to)
7106 {
7107         return (from == INTEGER_TYPE_SIGNED_16 || from == INTEGER_TYPE_UNSIGNED_16
7108                         || to == INTEGER_TYPE_SIGNED_16 || to == INTEGER_TYPE_UNSIGNED_16);
7109 }
7110
7111 bool usesInt64 (IntegerType from, IntegerType to)
7112 {
7113         return (from == INTEGER_TYPE_SIGNED_64 || from == INTEGER_TYPE_UNSIGNED_64
7114                         || to == INTEGER_TYPE_SIGNED_64 || to == INTEGER_TYPE_UNSIGNED_64);
7115 }
7116
7117 ComputeTestFeatures getConversionUsedFeatures (IntegerType from, IntegerType to)
7118 {
7119         if (usesInt16(from, to))
7120         {
7121                 if (usesInt64(from, to))
7122                 {
7123                         return COMPUTE_TEST_USES_INT16_INT64;
7124                 }
7125                 else
7126                 {
7127                         return COMPUTE_TEST_USES_INT16;
7128                 }
7129         }
7130         else
7131         {
7132                 return COMPUTE_TEST_USES_INT64;
7133         }
7134 }
7135
7136 struct ConvertCase
7137 {
7138         ConvertCase (IntegerType from, IntegerType to, deInt64 number)
7139         : m_fromType            (from)
7140         , m_toType                      (to)
7141         , m_features            (getConversionUsedFeatures(from, to))
7142         , m_name                        (getTestName(from, to))
7143         , m_inputBuffer         (getBuffer(from, number))
7144         , m_outputBuffer        (getBuffer(to, number))
7145         {
7146                 m_asmTypes["inputType"]         = getAsmTypeDeclaration(from);
7147                 m_asmTypes["outputType"]        = getAsmTypeDeclaration(to);
7148
7149                 if (m_features == COMPUTE_TEST_USES_INT16)
7150                 {
7151                         m_asmTypes["int_capabilities"] = "OpCapability Int16\n"
7152                                                                                          "OpCapability StorageUniformBufferBlock16\n";
7153                         m_asmTypes["int_extensions"]   = "OpExtension \"SPV_KHR_16bit_storage\"\n";
7154                 }
7155                 else if (m_features == COMPUTE_TEST_USES_INT64)
7156                 {
7157                         m_asmTypes["int_capabilities"] = "OpCapability Int64\n";
7158                         m_asmTypes["int_extensions"]   = "";
7159                 }
7160                 else if (m_features == COMPUTE_TEST_USES_INT16_INT64)
7161                 {
7162                         m_asmTypes["int_capabilities"] = "OpCapability Int16\n"
7163                                                                                          "OpCapability StorageUniformBufferBlock16\n"
7164                                                                                          "OpCapability Int64\n";
7165                         m_asmTypes["int_extensions"] = "OpExtension \"SPV_KHR_16bit_storage\"\n";
7166                 }
7167                 else
7168                 {
7169                         DE_ASSERT(false);
7170                 }
7171         }
7172
7173         IntegerType                             m_fromType;
7174         IntegerType                             m_toType;
7175         ComputeTestFeatures             m_features;
7176         string                                  m_name;
7177         map<string, string>             m_asmTypes;
7178         BufferSp                                m_inputBuffer;
7179         BufferSp                                m_outputBuffer;
7180 };
7181
7182 const string getConvertCaseShaderStr (const string& instruction, const ConvertCase& convertCase)
7183 {
7184         map<string, string> params = convertCase.m_asmTypes;
7185
7186         params["instruction"] = instruction;
7187
7188         params["inDecorator"] = getByteWidthStr(convertCase.m_fromType);
7189         params["outDecorator"] = getByteWidthStr(convertCase.m_toType);
7190
7191         const StringTemplate shader (
7192                 "OpCapability Shader\n"
7193                 "${int_capabilities}"
7194                 "${int_extensions}"
7195                 "OpMemoryModel Logical GLSL450\n"
7196                 "OpEntryPoint GLCompute %main \"main\" %id\n"
7197                 "OpExecutionMode %main LocalSize 1 1 1\n"
7198                 "OpSource GLSL 430\n"
7199                 "OpName %main           \"main\"\n"
7200                 "OpName %id             \"gl_GlobalInvocationID\"\n"
7201                 // Decorators
7202                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
7203                 "OpDecorate %indata DescriptorSet 0\n"
7204                 "OpDecorate %indata Binding 0\n"
7205                 "OpDecorate %outdata DescriptorSet 0\n"
7206                 "OpDecorate %outdata Binding 1\n"
7207                 "OpDecorate %in_arr ArrayStride ${inDecorator}\n"
7208                 "OpDecorate %out_arr ArrayStride ${outDecorator}\n"
7209                 "OpDecorate %in_buf BufferBlock\n"
7210                 "OpDecorate %out_buf BufferBlock\n"
7211                 "OpMemberDecorate %in_buf 0 Offset 0\n"
7212                 "OpMemberDecorate %out_buf 0 Offset 0\n"
7213                 // Base types
7214                 "%void       = OpTypeVoid\n"
7215                 "%voidf      = OpTypeFunction %void\n"
7216                 "%u32        = OpTypeInt 32 0\n"
7217                 "%i32        = OpTypeInt 32 1\n"
7218                 "%uvec3      = OpTypeVector %u32 3\n"
7219                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
7220                 // Custom types
7221                 "%in_type    = ${inputType}\n"
7222                 "%out_type   = ${outputType}\n"
7223                 // Derived types
7224                 "%in_ptr     = OpTypePointer Uniform %in_type\n"
7225                 "%out_ptr    = OpTypePointer Uniform %out_type\n"
7226                 "%in_arr     = OpTypeRuntimeArray %in_type\n"
7227                 "%out_arr    = OpTypeRuntimeArray %out_type\n"
7228                 "%in_buf     = OpTypeStruct %in_arr\n"
7229                 "%out_buf    = OpTypeStruct %out_arr\n"
7230                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
7231                 "%out_bufptr = OpTypePointer Uniform %out_buf\n"
7232                 "%indata     = OpVariable %in_bufptr Uniform\n"
7233                 "%outdata    = OpVariable %out_bufptr Uniform\n"
7234                 "%inputptr   = OpTypePointer Input %in_type\n"
7235                 "%id         = OpVariable %uvec3ptr Input\n"
7236                 // Constants
7237                 "%zero       = OpConstant %i32 0\n"
7238                 // Main function
7239                 "%main       = OpFunction %void None %voidf\n"
7240                 "%label      = OpLabel\n"
7241                 "%idval      = OpLoad %uvec3 %id\n"
7242                 "%x          = OpCompositeExtract %u32 %idval 0\n"
7243                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
7244                 "%outloc     = OpAccessChain %out_ptr %outdata %zero %x\n"
7245                 "%inval      = OpLoad %in_type %inloc\n"
7246                 "%conv       = ${instruction} %out_type %inval\n"
7247                 "              OpStore %outloc %conv\n"
7248                 "              OpReturn\n"
7249                 "              OpFunctionEnd\n"
7250         );
7251
7252         return shader.specialize(params);
7253 }
7254
7255 void createSConvertCases (vector<ConvertCase>& testCases)
7256 {
7257         // Convert int to int
7258         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_32,         14669));
7259         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_64,         3341));
7260
7261         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_SIGNED_64,         973610259));
7262
7263         // Convert int to unsigned int
7264         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_32,       9288));
7265         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_64,       15460));
7266
7267         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_UNSIGNED_64,       346213461));
7268 }
7269
7270 //  Test for the OpSConvert instruction.
7271 tcu::TestCaseGroup* createSConvertTests (tcu::TestContext& testCtx)
7272 {
7273         const string instruction                                ("OpSConvert");
7274         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "sconvert", "OpSConvert"));
7275         vector<ConvertCase>                             testCases;
7276         createSConvertCases(testCases);
7277
7278         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
7279         {
7280                 ComputeShaderSpec       spec;
7281
7282                 spec.assembly = getConvertCaseShaderStr(instruction, *test);
7283                 spec.inputs.push_back(test->m_inputBuffer);
7284                 spec.outputs.push_back(test->m_outputBuffer);
7285                 spec.numWorkGroups = IVec3(1, 1, 1);
7286
7287                 if (test->m_features == COMPUTE_TEST_USES_INT16 || test->m_features == COMPUTE_TEST_USES_INT16_INT64)
7288                 {
7289                         spec.extensions.push_back("VK_KHR_16bit_storage");
7290                         spec.requestedVulkanFeatures.ext16BitStorage = EXT16BITSTORAGEFEATURES_UNIFORM_BUFFER_BLOCK;
7291                 }
7292
7293                 group->addChild(new SpvAsmComputeShaderCase(testCtx, test->m_name.c_str(), "Convert integers with OpSConvert.", spec, test->m_features));
7294         }
7295
7296         return group.release();
7297 }
7298
7299 void createUConvertCases (vector<ConvertCase>& testCases)
7300 {
7301         // Convert unsigned int to unsigned int
7302         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_32,       60653));
7303         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_64,       17991));
7304
7305         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_32,       INTEGER_TYPE_UNSIGNED_64,       904256275));
7306 }
7307
7308 //  Test for the OpUConvert instruction.
7309 tcu::TestCaseGroup* createUConvertTests (tcu::TestContext& testCtx)
7310 {
7311         const string instruction                                ("OpUConvert");
7312         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "uconvert", "OpUConvert"));
7313         vector<ConvertCase>                             testCases;
7314         createUConvertCases(testCases);
7315
7316         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
7317         {
7318                 ComputeShaderSpec       spec;
7319
7320                 spec.assembly = getConvertCaseShaderStr(instruction, *test);
7321                 spec.inputs.push_back(test->m_inputBuffer);
7322                 spec.outputs.push_back(test->m_outputBuffer);
7323                 spec.numWorkGroups = IVec3(1, 1, 1);
7324
7325                 if (test->m_features == COMPUTE_TEST_USES_INT16 || test->m_features == COMPUTE_TEST_USES_INT16_INT64)
7326                 {
7327                         spec.extensions.push_back("VK_KHR_16bit_storage");
7328                         spec.requestedVulkanFeatures.ext16BitStorage = EXT16BITSTORAGEFEATURES_UNIFORM_BUFFER_BLOCK;
7329                 }
7330
7331                 group->addChild(new SpvAsmComputeShaderCase(testCtx, test->m_name.c_str(), "Convert integers with OpUConvert.", spec, test->m_features));
7332         }
7333         return group.release();
7334 }
7335
7336 const string getNumberTypeName (const NumberType type)
7337 {
7338         if (type == NUMBERTYPE_INT32)
7339         {
7340                 return "int";
7341         }
7342         else if (type == NUMBERTYPE_UINT32)
7343         {
7344                 return "uint";
7345         }
7346         else if (type == NUMBERTYPE_FLOAT32)
7347         {
7348                 return "float";
7349         }
7350         else
7351         {
7352                 DE_ASSERT(false);
7353                 return "";
7354         }
7355 }
7356
7357 deInt32 getInt(de::Random& rnd)
7358 {
7359         return rnd.getInt(std::numeric_limits<int>::min(), std::numeric_limits<int>::max());
7360 }
7361
7362 const string repeatString (const string& str, int times)
7363 {
7364         string filler;
7365         for (int i = 0; i < times; ++i)
7366         {
7367                 filler += str;
7368         }
7369         return filler;
7370 }
7371
7372 const string getRandomConstantString (const NumberType type, de::Random& rnd)
7373 {
7374         if (type == NUMBERTYPE_INT32)
7375         {
7376                 return numberToString<deInt32>(getInt(rnd));
7377         }
7378         else if (type == NUMBERTYPE_UINT32)
7379         {
7380                 return numberToString<deUint32>(rnd.getUint32());
7381         }
7382         else if (type == NUMBERTYPE_FLOAT32)
7383         {
7384                 return numberToString<float>(rnd.getFloat());
7385         }
7386         else
7387         {
7388                 DE_ASSERT(false);
7389                 return "";
7390         }
7391 }
7392
7393 void createVectorCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
7394 {
7395         map<string, string> params;
7396
7397         // Vec2 to Vec4
7398         for (int width = 2; width <= 4; ++width)
7399         {
7400                 string randomConst = numberToString(getInt(rnd));
7401                 string widthStr = numberToString(width);
7402                 int index = rnd.getInt(0, width-1);
7403
7404                 params["type"]                                  = "vec";
7405                 params["name"]                                  = params["type"] + "_" + widthStr;
7406                 params["compositeType"]                 = "%composite = OpTypeVector %custom " + widthStr +"\n";
7407                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
7408                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
7409                 params["indexes"]                               = numberToString(index);
7410                 testCases.push_back(params);
7411         }
7412 }
7413
7414 void createArrayCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
7415 {
7416         const int limit = 10;
7417         map<string, string> params;
7418
7419         for (int width = 2; width <= limit; ++width)
7420         {
7421                 string randomConst = numberToString(getInt(rnd));
7422                 string widthStr = numberToString(width);
7423                 int index = rnd.getInt(0, width-1);
7424
7425                 params["type"]                                  = "array";
7426                 params["name"]                                  = params["type"] + "_" + widthStr;
7427                 params["compositeType"]                 = string("%arraywidth = OpConstant %u32 " + widthStr + "\n")
7428                                                                                         +        "%composite = OpTypeArray %custom %arraywidth\n";
7429
7430                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
7431                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
7432                 params["indexes"]                               = numberToString(index);
7433                 testCases.push_back(params);
7434         }
7435 }
7436
7437 void createStructCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
7438 {
7439         const int limit = 10;
7440         map<string, string> params;
7441
7442         for (int width = 2; width <= limit; ++width)
7443         {
7444                 string randomConst = numberToString(getInt(rnd));
7445                 int index = rnd.getInt(0, width-1);
7446
7447                 params["type"]                                  = "struct";
7448                 params["name"]                                  = params["type"] + "_" + numberToString(width);
7449                 params["compositeType"]                 = "%composite = OpTypeStruct" + repeatString(" %custom", width) + "\n";
7450                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
7451                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
7452                 params["indexes"]                               = numberToString(index);
7453                 testCases.push_back(params);
7454         }
7455 }
7456
7457 void createMatrixCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
7458 {
7459         map<string, string> params;
7460
7461         // Vec2 to Vec4
7462         for (int width = 2; width <= 4; ++width)
7463         {
7464                 string widthStr = numberToString(width);
7465
7466                 for (int column = 2 ; column <= 4; ++column)
7467                 {
7468                         int index_0 = rnd.getInt(0, column-1);
7469                         int index_1 = rnd.getInt(0, width-1);
7470                         string columnStr = numberToString(column);
7471
7472                         params["type"]                                  = "matrix";
7473                         params["name"]                                  = params["type"] + "_" + widthStr + "x" + columnStr;
7474                         params["compositeType"]                 = string("%vectype   = OpTypeVector %custom " + widthStr + "\n")
7475                                                                                                 +        "%composite = OpTypeMatrix %vectype " + columnStr + "\n";
7476
7477                         params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n"
7478                                                                                                 +        "%fillerVec = OpConstantComposite %vectype" + repeatString(" %filler", width) + "\n";
7479
7480                         params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %fillerVec", column) + "\n";
7481                         params["indexes"]                               = numberToString(index_0) + " " + numberToString(index_1);
7482                         testCases.push_back(params);
7483                 }
7484         }
7485 }
7486
7487 void createCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
7488 {
7489         createVectorCompositeCases(testCases, rnd, type);
7490         createArrayCompositeCases(testCases, rnd, type);
7491         createStructCompositeCases(testCases, rnd, type);
7492         // Matrix only supports float types
7493         if (type == NUMBERTYPE_FLOAT32)
7494         {
7495                 createMatrixCompositeCases(testCases, rnd, type);
7496         }
7497 }
7498
7499 const string getAssemblyTypeDeclaration (const NumberType type)
7500 {
7501         switch (type)
7502         {
7503                 case NUMBERTYPE_INT32:          return "OpTypeInt 32 1";
7504                 case NUMBERTYPE_UINT32:         return "OpTypeInt 32 0";
7505                 case NUMBERTYPE_FLOAT32:        return "OpTypeFloat 32";
7506                 default:                        DE_ASSERT(false); return "";
7507         }
7508 }
7509
7510 const string specializeCompositeInsertShaderTemplate (const NumberType type, const map<string, string>& params)
7511 {
7512         map<string, string>     parameters(params);
7513
7514         parameters["typeDeclaration"] = getAssemblyTypeDeclaration(type);
7515
7516         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
7517
7518         return StringTemplate (
7519                 "OpCapability Shader\n"
7520                 "OpCapability Matrix\n"
7521                 "OpMemoryModel Logical GLSL450\n"
7522                 "OpEntryPoint GLCompute %main \"main\" %id\n"
7523                 "OpExecutionMode %main LocalSize 1 1 1\n"
7524
7525                 "OpSource GLSL 430\n"
7526                 "OpName %main           \"main\"\n"
7527                 "OpName %id             \"gl_GlobalInvocationID\"\n"
7528
7529                 // Decorators
7530                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
7531                 "OpDecorate %buf BufferBlock\n"
7532                 "OpDecorate %indata DescriptorSet 0\n"
7533                 "OpDecorate %indata Binding 0\n"
7534                 "OpDecorate %outdata DescriptorSet 0\n"
7535                 "OpDecorate %outdata Binding 1\n"
7536                 "OpDecorate %customarr ArrayStride 4\n"
7537                 "${compositeDecorator}"
7538                 "OpMemberDecorate %buf 0 Offset 0\n"
7539
7540                 // General types
7541                 "%void      = OpTypeVoid\n"
7542                 "%voidf     = OpTypeFunction %void\n"
7543                 "%u32       = OpTypeInt 32 0\n"
7544                 "%i32       = OpTypeInt 32 1\n"
7545                 "%uvec3     = OpTypeVector %u32 3\n"
7546                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
7547
7548                 // Custom type
7549                 "%custom    = ${typeDeclaration}\n"
7550                 "${compositeType}"
7551
7552                 // Constants
7553                 "${filler}"
7554
7555                 // Inherited from custom
7556                 "%customptr = OpTypePointer Uniform %custom\n"
7557                 "%customarr = OpTypeRuntimeArray %custom\n"
7558                 "%buf       = OpTypeStruct %customarr\n"
7559                 "%bufptr    = OpTypePointer Uniform %buf\n"
7560
7561                 "%indata    = OpVariable %bufptr Uniform\n"
7562                 "%outdata   = OpVariable %bufptr Uniform\n"
7563
7564                 "%id        = OpVariable %uvec3ptr Input\n"
7565                 "%zero      = OpConstant %i32 0\n"
7566
7567                 "%main      = OpFunction %void None %voidf\n"
7568                 "%label     = OpLabel\n"
7569                 "%idval     = OpLoad %uvec3 %id\n"
7570                 "%x         = OpCompositeExtract %u32 %idval 0\n"
7571
7572                 "%inloc     = OpAccessChain %customptr %indata %zero %x\n"
7573                 "%outloc    = OpAccessChain %customptr %outdata %zero %x\n"
7574                 // Read the input value
7575                 "%inval     = OpLoad %custom %inloc\n"
7576                 // Create the composite and fill it
7577                 "${compositeConstruct}"
7578                 // Insert the input value to a place
7579                 "%instance2 = OpCompositeInsert %composite %inval %instance ${indexes}\n"
7580                 // Read back the value from the position
7581                 "%out_val   = OpCompositeExtract %custom %instance2 ${indexes}\n"
7582                 // Store it in the output position
7583                 "             OpStore %outloc %out_val\n"
7584                 "             OpReturn\n"
7585                 "             OpFunctionEnd\n"
7586         ).specialize(parameters);
7587 }
7588
7589 template<typename T>
7590 BufferSp createCompositeBuffer(T number)
7591 {
7592         return BufferSp(new Buffer<T>(vector<T>(1, number)));
7593 }
7594
7595 tcu::TestCaseGroup* createOpCompositeInsertGroup (tcu::TestContext& testCtx)
7596 {
7597         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "opcompositeinsert", "Test the OpCompositeInsert instruction"));
7598         de::Random                                              rnd             (deStringHash(group->getName()));
7599
7600         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
7601         {
7602                 NumberType                                              numberType              = NumberType(type);
7603                 const string                                    typeName                = getNumberTypeName(numberType);
7604                 const string                                    description             = "Test the OpCompositeInsert instruction with " + typeName + "s";
7605                 de::MovePtr<tcu::TestCaseGroup> subGroup                (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
7606                 vector<map<string, string> >    testCases;
7607
7608                 createCompositeCases(testCases, rnd, numberType);
7609
7610                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
7611                 {
7612                         ComputeShaderSpec       spec;
7613
7614                         spec.assembly = specializeCompositeInsertShaderTemplate(numberType, *test);
7615
7616                         switch (numberType)
7617                         {
7618                                 case NUMBERTYPE_INT32:
7619                                 {
7620                                         deInt32 number = getInt(rnd);
7621                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
7622                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
7623                                         break;
7624                                 }
7625                                 case NUMBERTYPE_UINT32:
7626                                 {
7627                                         deUint32 number = rnd.getUint32();
7628                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
7629                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
7630                                         break;
7631                                 }
7632                                 case NUMBERTYPE_FLOAT32:
7633                                 {
7634                                         float number = rnd.getFloat();
7635                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
7636                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
7637                                         break;
7638                                 }
7639                                 default:
7640                                         DE_ASSERT(false);
7641                         }
7642
7643                         spec.numWorkGroups = IVec3(1, 1, 1);
7644                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpCompositeInsert test", spec));
7645                 }
7646                 group->addChild(subGroup.release());
7647         }
7648         return group.release();
7649 }
7650
7651 struct AssemblyStructInfo
7652 {
7653         AssemblyStructInfo (const deUint32 comp, const deUint32 idx)
7654         : components    (comp)
7655         , index                 (idx)
7656         {}
7657
7658         deUint32 components;
7659         deUint32 index;
7660 };
7661
7662 const string specializeInBoundsShaderTemplate (const NumberType type, const AssemblyStructInfo& structInfo, const map<string, string>& params)
7663 {
7664         // Create the full index string
7665         string                          fullIndex       = numberToString(structInfo.index) + " " + params.at("indexes");
7666         // Convert it to list of indexes
7667         vector<string>          indexes         = de::splitString(fullIndex, ' ');
7668
7669         map<string, string>     parameters      (params);
7670         parameters["typeDeclaration"]   = getAssemblyTypeDeclaration(type);
7671         parameters["structType"]                = repeatString(" %composite", structInfo.components);
7672         parameters["structConstruct"]   = repeatString(" %instance", structInfo.components);
7673         parameters["insertIndexes"]             = fullIndex;
7674
7675         // In matrix cases the last two index is the CompositeExtract indexes
7676         const deUint32 extractIndexes = (parameters["type"] == "matrix") ? 2 : 1;
7677
7678         // Construct the extractIndex
7679         for (vector<string>::const_iterator index = indexes.end() - extractIndexes; index != indexes.end(); ++index)
7680         {
7681                 parameters["extractIndexes"] += " " + *index;
7682         }
7683
7684         // Remove the last 1 or 2 element depends on matrix case or not
7685         indexes.erase(indexes.end() - extractIndexes, indexes.end());
7686
7687         deUint32 id = 0;
7688         // Generate AccessChain index expressions (except for the last one, because we use ptr to the composite)
7689         for (vector<string>::const_iterator index = indexes.begin(); index != indexes.end(); ++index)
7690         {
7691                 string indexId = "%index_" + numberToString(id++);
7692                 parameters["accessChainConstDeclaration"] += indexId + "   = OpConstant %u32 " + *index + "\n";
7693                 parameters["accessChainIndexes"] += " " + indexId;
7694         }
7695
7696         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
7697
7698         return StringTemplate (
7699                 "OpCapability Shader\n"
7700                 "OpCapability Matrix\n"
7701                 "OpMemoryModel Logical GLSL450\n"
7702                 "OpEntryPoint GLCompute %main \"main\" %id\n"
7703                 "OpExecutionMode %main LocalSize 1 1 1\n"
7704
7705                 "OpSource GLSL 430\n"
7706                 "OpName %main           \"main\"\n"
7707                 "OpName %id             \"gl_GlobalInvocationID\"\n"
7708                 // Decorators
7709                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
7710                 "OpDecorate %buf BufferBlock\n"
7711                 "OpDecorate %indata DescriptorSet 0\n"
7712                 "OpDecorate %indata Binding 0\n"
7713                 "OpDecorate %outdata DescriptorSet 0\n"
7714                 "OpDecorate %outdata Binding 1\n"
7715                 "OpDecorate %customarr ArrayStride 4\n"
7716                 "${compositeDecorator}"
7717                 "OpMemberDecorate %buf 0 Offset 0\n"
7718                 // General types
7719                 "%void      = OpTypeVoid\n"
7720                 "%voidf     = OpTypeFunction %void\n"
7721                 "%u32       = OpTypeInt 32 0\n"
7722                 "%uvec3     = OpTypeVector %u32 3\n"
7723                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
7724                 // Custom type
7725                 "%custom    = ${typeDeclaration}\n"
7726                 // Custom types
7727                 "${compositeType}"
7728                 // Inherited from composite
7729                 "%composite_p = OpTypePointer Function %composite\n"
7730                 "%struct_t  = OpTypeStruct${structType}\n"
7731                 "%struct_p  = OpTypePointer Function %struct_t\n"
7732                 // Constants
7733                 "${filler}"
7734                 "${accessChainConstDeclaration}"
7735                 // Inherited from custom
7736                 "%customptr = OpTypePointer Uniform %custom\n"
7737                 "%customarr = OpTypeRuntimeArray %custom\n"
7738                 "%buf       = OpTypeStruct %customarr\n"
7739                 "%bufptr    = OpTypePointer Uniform %buf\n"
7740                 "%indata    = OpVariable %bufptr Uniform\n"
7741                 "%outdata   = OpVariable %bufptr Uniform\n"
7742
7743                 "%id        = OpVariable %uvec3ptr Input\n"
7744                 "%zero      = OpConstant %u32 0\n"
7745                 "%main      = OpFunction %void None %voidf\n"
7746                 "%label     = OpLabel\n"
7747                 "%struct_v  = OpVariable %struct_p Function\n"
7748                 "%idval     = OpLoad %uvec3 %id\n"
7749                 "%x         = OpCompositeExtract %u32 %idval 0\n"
7750                 // Create the input/output type
7751                 "%inloc     = OpInBoundsAccessChain %customptr %indata %zero %x\n"
7752                 "%outloc    = OpInBoundsAccessChain %customptr %outdata %zero %x\n"
7753                 // Read the input value
7754                 "%inval     = OpLoad %custom %inloc\n"
7755                 // Create the composite and fill it
7756                 "${compositeConstruct}"
7757                 // Create the struct and fill it with the composite
7758                 "%struct    = OpCompositeConstruct %struct_t${structConstruct}\n"
7759                 // Insert the value
7760                 "%comp_obj  = OpCompositeInsert %struct_t %inval %struct ${insertIndexes}\n"
7761                 // Store the object
7762                 "             OpStore %struct_v %comp_obj\n"
7763                 // Get deepest possible composite pointer
7764                 "%inner_ptr = OpInBoundsAccessChain %composite_p %struct_v${accessChainIndexes}\n"
7765                 "%read_obj  = OpLoad %composite %inner_ptr\n"
7766                 // Read back the stored value
7767                 "%read_val  = OpCompositeExtract %custom %read_obj${extractIndexes}\n"
7768                 "             OpStore %outloc %read_val\n"
7769                 "             OpReturn\n"
7770                 "             OpFunctionEnd\n").specialize(parameters);
7771 }
7772
7773 tcu::TestCaseGroup* createOpInBoundsAccessChainGroup (tcu::TestContext& testCtx)
7774 {
7775         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opinboundsaccesschain", "Test the OpInBoundsAccessChain instruction"));
7776         de::Random                                              rnd                             (deStringHash(group->getName()));
7777
7778         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
7779         {
7780                 NumberType                                              numberType      = NumberType(type);
7781                 const string                                    typeName        = getNumberTypeName(numberType);
7782                 const string                                    description     = "Test the OpInBoundsAccessChain instruction with " + typeName + "s";
7783                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
7784
7785                 vector<map<string, string> >    testCases;
7786                 createCompositeCases(testCases, rnd, numberType);
7787
7788                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
7789                 {
7790                         ComputeShaderSpec       spec;
7791
7792                         // Number of components inside of a struct
7793                         deUint32 structComponents = rnd.getInt(2, 8);
7794                         // Component index value
7795                         deUint32 structIndex = rnd.getInt(0, structComponents - 1);
7796                         AssemblyStructInfo structInfo(structComponents, structIndex);
7797
7798                         spec.assembly = specializeInBoundsShaderTemplate(numberType, structInfo, *test);
7799
7800                         switch (numberType)
7801                         {
7802                                 case NUMBERTYPE_INT32:
7803                                 {
7804                                         deInt32 number = getInt(rnd);
7805                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
7806                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
7807                                         break;
7808                                 }
7809                                 case NUMBERTYPE_UINT32:
7810                                 {
7811                                         deUint32 number = rnd.getUint32();
7812                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
7813                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
7814                                         break;
7815                                 }
7816                                 case NUMBERTYPE_FLOAT32:
7817                                 {
7818                                         float number = rnd.getFloat();
7819                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
7820                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
7821                                         break;
7822                                 }
7823                                 default:
7824                                         DE_ASSERT(false);
7825                         }
7826                         spec.numWorkGroups = IVec3(1, 1, 1);
7827                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpInBoundsAccessChain test", spec));
7828                 }
7829                 group->addChild(subGroup.release());
7830         }
7831         return group.release();
7832 }
7833
7834 // If the params missing, uninitialized case
7835 const string specializeDefaultOutputShaderTemplate (const NumberType type, const map<string, string>& params = map<string, string>())
7836 {
7837         map<string, string> parameters(params);
7838
7839         parameters["typeDeclaration"] = getAssemblyTypeDeclaration(type);
7840
7841         // Declare the const value, and use it in the initializer
7842         if (params.find("constValue") != params.end())
7843         {
7844                 parameters["constDeclaration"]          = "%const      = OpConstant %in_type " + params.at("constValue") + "\n";
7845                 parameters["variableInitializer"]       = "%const";
7846         }
7847         // Uninitialized case
7848         else
7849         {
7850                 parameters["constDeclaration"]          = "";
7851                 parameters["variableInitializer"]       = "";
7852         }
7853
7854         return StringTemplate(
7855                 "OpCapability Shader\n"
7856                 "OpMemoryModel Logical GLSL450\n"
7857                 "OpEntryPoint GLCompute %main \"main\" %id\n"
7858                 "OpExecutionMode %main LocalSize 1 1 1\n"
7859                 "OpSource GLSL 430\n"
7860                 "OpName %main           \"main\"\n"
7861                 "OpName %id             \"gl_GlobalInvocationID\"\n"
7862                 // Decorators
7863                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
7864                 "OpDecorate %indata DescriptorSet 0\n"
7865                 "OpDecorate %indata Binding 0\n"
7866                 "OpDecorate %outdata DescriptorSet 0\n"
7867                 "OpDecorate %outdata Binding 1\n"
7868                 "OpDecorate %in_arr ArrayStride 4\n"
7869                 "OpDecorate %in_buf BufferBlock\n"
7870                 "OpMemberDecorate %in_buf 0 Offset 0\n"
7871                 // Base types
7872                 "%void       = OpTypeVoid\n"
7873                 "%voidf      = OpTypeFunction %void\n"
7874                 "%u32        = OpTypeInt 32 0\n"
7875                 "%i32        = OpTypeInt 32 1\n"
7876                 "%uvec3      = OpTypeVector %u32 3\n"
7877                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
7878                 // Custom types
7879                 "%in_type    = ${typeDeclaration}\n"
7880                 // "%const      = OpConstant %in_type ${constValue}\n"
7881                 "${constDeclaration}\n"
7882                 // Derived types
7883                 "%in_ptr     = OpTypePointer Uniform %in_type\n"
7884                 "%in_arr     = OpTypeRuntimeArray %in_type\n"
7885                 "%in_buf     = OpTypeStruct %in_arr\n"
7886                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
7887                 "%indata     = OpVariable %in_bufptr Uniform\n"
7888                 "%outdata    = OpVariable %in_bufptr Uniform\n"
7889                 "%id         = OpVariable %uvec3ptr Input\n"
7890                 "%var_ptr    = OpTypePointer Function %in_type\n"
7891                 // Constants
7892                 "%zero       = OpConstant %i32 0\n"
7893                 // Main function
7894                 "%main       = OpFunction %void None %voidf\n"
7895                 "%label      = OpLabel\n"
7896                 "%out_var    = OpVariable %var_ptr Function ${variableInitializer}\n"
7897                 "%idval      = OpLoad %uvec3 %id\n"
7898                 "%x          = OpCompositeExtract %u32 %idval 0\n"
7899                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
7900                 "%outloc     = OpAccessChain %in_ptr %outdata %zero %x\n"
7901
7902                 "%outval     = OpLoad %in_type %out_var\n"
7903                 "              OpStore %outloc %outval\n"
7904                 "              OpReturn\n"
7905                 "              OpFunctionEnd\n"
7906         ).specialize(parameters);
7907 }
7908
7909 bool compareFloats (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog& log)
7910 {
7911         DE_ASSERT(outputAllocs.size() != 0);
7912         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
7913
7914         // Use custom epsilon because of the float->string conversion
7915         const float     epsilon = 0.00001f;
7916
7917         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
7918         {
7919                 vector<deUint8> expectedBytes;
7920                 float                   expected;
7921                 float                   actual;
7922
7923                 expectedOutputs[outputNdx]->getBytes(expectedBytes);
7924                 memcpy(&expected, &expectedBytes.front(), expectedBytes.size());
7925                 memcpy(&actual, outputAllocs[outputNdx]->getHostPtr(), expectedBytes.size());
7926
7927                 // Test with epsilon
7928                 if (fabs(expected - actual) > epsilon)
7929                 {
7930                         log << TestLog::Message << "Error: The actual and expected values not matching."
7931                                 << " Expected: " << expected << " Actual: " << actual << " Epsilon: " << epsilon << TestLog::EndMessage;
7932                         return false;
7933                 }
7934         }
7935         return true;
7936 }
7937
7938 // Checks if the driver crash with uninitialized cases
7939 bool passthruVerify (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
7940 {
7941         DE_ASSERT(outputAllocs.size() != 0);
7942         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
7943
7944         // Copy and discard the result.
7945         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
7946         {
7947                 vector<deUint8> expectedBytes;
7948                 expectedOutputs[outputNdx]->getBytes(expectedBytes);
7949
7950                 const size_t    width                   = expectedBytes.size();
7951                 vector<char>    data                    (width);
7952
7953                 memcpy(&data[0], outputAllocs[outputNdx]->getHostPtr(), width);
7954         }
7955         return true;
7956 }
7957
7958 tcu::TestCaseGroup* createShaderDefaultOutputGroup (tcu::TestContext& testCtx)
7959 {
7960         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "shader_default_output", "Test shader default output."));
7961         de::Random                                              rnd             (deStringHash(group->getName()));
7962
7963         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
7964         {
7965                 NumberType                                              numberType      = NumberType(type);
7966                 const string                                    typeName        = getNumberTypeName(numberType);
7967                 const string                                    description     = "Test the OpVariable initializer with " + typeName + ".";
7968                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
7969
7970                 // 2 similar subcases (initialized and uninitialized)
7971                 for (int subCase = 0; subCase < 2; ++subCase)
7972                 {
7973                         ComputeShaderSpec spec;
7974                         spec.numWorkGroups = IVec3(1, 1, 1);
7975
7976                         map<string, string>                             params;
7977
7978                         switch (numberType)
7979                         {
7980                                 case NUMBERTYPE_INT32:
7981                                 {
7982                                         deInt32 number = getInt(rnd);
7983                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
7984                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
7985                                         params["constValue"] = numberToString(number);
7986                                         break;
7987                                 }
7988                                 case NUMBERTYPE_UINT32:
7989                                 {
7990                                         deUint32 number = rnd.getUint32();
7991                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
7992                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
7993                                         params["constValue"] = numberToString(number);
7994                                         break;
7995                                 }
7996                                 case NUMBERTYPE_FLOAT32:
7997                                 {
7998                                         float number = rnd.getFloat();
7999                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
8000                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
8001                                         spec.verifyIO = &compareFloats;
8002                                         params["constValue"] = numberToString(number);
8003                                         break;
8004                                 }
8005                                 default:
8006                                         DE_ASSERT(false);
8007                         }
8008
8009                         // Initialized subcase
8010                         if (!subCase)
8011                         {
8012                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType, params);
8013                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "initialized", "OpVariable initializer tests.", spec));
8014                         }
8015                         // Uninitialized subcase
8016                         else
8017                         {
8018                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType);
8019                                 spec.verifyIO = &passthruVerify;
8020                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "uninitialized", "OpVariable initializer tests.", spec));
8021                         }
8022                 }
8023                 group->addChild(subGroup.release());
8024         }
8025         return group.release();
8026 }
8027
8028 tcu::TestCaseGroup* createOpNopTests (tcu::TestContext& testCtx)
8029 {
8030         de::MovePtr<tcu::TestCaseGroup> testGroup (new tcu::TestCaseGroup(testCtx, "opnop", "Test OpNop"));
8031         RGBA                                                    defaultColors[4];
8032         map<string, string>                             opNopFragments;
8033
8034         getDefaultColors(defaultColors);
8035
8036         opNopFragments["testfun"]               =
8037                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
8038                 "%param1 = OpFunctionParameter %v4f32\n"
8039                 "%label_testfun = OpLabel\n"
8040                 "OpNop\n"
8041                 "OpNop\n"
8042                 "OpNop\n"
8043                 "OpNop\n"
8044                 "OpNop\n"
8045                 "OpNop\n"
8046                 "OpNop\n"
8047                 "OpNop\n"
8048                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
8049                 "%b = OpFAdd %f32 %a %a\n"
8050                 "OpNop\n"
8051                 "%c = OpFSub %f32 %b %a\n"
8052                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %c %c_i32_0\n"
8053                 "OpNop\n"
8054                 "OpNop\n"
8055                 "OpReturnValue %ret\n"
8056                 "OpFunctionEnd\n";
8057
8058         createTestsForAllStages("opnop", defaultColors, defaultColors, opNopFragments, testGroup.get());
8059
8060         return testGroup.release();
8061 }
8062
8063 tcu::TestCaseGroup* createInstructionTests (tcu::TestContext& testCtx)
8064 {
8065         const bool testComputePipeline = true;
8066
8067         de::MovePtr<tcu::TestCaseGroup> instructionTests        (new tcu::TestCaseGroup(testCtx, "instruction", "Instructions with special opcodes/operands"));
8068         de::MovePtr<tcu::TestCaseGroup> computeTests            (new tcu::TestCaseGroup(testCtx, "compute", "Compute Instructions with special opcodes/operands"));
8069         de::MovePtr<tcu::TestCaseGroup> graphicsTests           (new tcu::TestCaseGroup(testCtx, "graphics", "Graphics Instructions with special opcodes/operands"));
8070
8071         computeTests->addChild(createSpivVersionCheckTests(testCtx, testComputePipeline));
8072         computeTests->addChild(createOpNopGroup(testCtx));
8073         computeTests->addChild(createOpFUnordGroup(testCtx));
8074         computeTests->addChild(createOpAtomicGroup(testCtx, false));
8075         computeTests->addChild(createOpAtomicGroup(testCtx, true)); // Using new StorageBuffer decoration
8076         computeTests->addChild(createOpLineGroup(testCtx));
8077         computeTests->addChild(createOpModuleProcessedGroup(testCtx));
8078         computeTests->addChild(createOpNoLineGroup(testCtx));
8079         computeTests->addChild(createOpConstantNullGroup(testCtx));
8080         computeTests->addChild(createOpConstantCompositeGroup(testCtx));
8081         computeTests->addChild(createOpConstantUsageGroup(testCtx));
8082         computeTests->addChild(createSpecConstantGroup(testCtx));
8083         computeTests->addChild(createOpSourceGroup(testCtx));
8084         computeTests->addChild(createOpSourceExtensionGroup(testCtx));
8085         computeTests->addChild(createDecorationGroupGroup(testCtx));
8086         computeTests->addChild(createOpPhiGroup(testCtx));
8087         computeTests->addChild(createLoopControlGroup(testCtx));
8088         computeTests->addChild(createFunctionControlGroup(testCtx));
8089         computeTests->addChild(createSelectionControlGroup(testCtx));
8090         computeTests->addChild(createBlockOrderGroup(testCtx));
8091         computeTests->addChild(createMultipleShaderGroup(testCtx));
8092         computeTests->addChild(createMemoryAccessGroup(testCtx));
8093         computeTests->addChild(createOpCopyMemoryGroup(testCtx));
8094         computeTests->addChild(createOpCopyObjectGroup(testCtx));
8095         computeTests->addChild(createNoContractionGroup(testCtx));
8096         computeTests->addChild(createOpUndefGroup(testCtx));
8097         computeTests->addChild(createOpUnreachableGroup(testCtx));
8098         computeTests ->addChild(createOpQuantizeToF16Group(testCtx));
8099         computeTests ->addChild(createOpFRemGroup(testCtx));
8100         computeTests->addChild(createOpSRemComputeGroup(testCtx, QP_TEST_RESULT_PASS));
8101         computeTests->addChild(createOpSRemComputeGroup64(testCtx, QP_TEST_RESULT_PASS));
8102         computeTests->addChild(createOpSModComputeGroup(testCtx, QP_TEST_RESULT_PASS));
8103         computeTests->addChild(createOpSModComputeGroup64(testCtx, QP_TEST_RESULT_PASS));
8104         computeTests->addChild(createSConvertTests(testCtx));
8105         computeTests->addChild(createUConvertTests(testCtx));
8106         computeTests->addChild(createOpCompositeInsertGroup(testCtx));
8107         computeTests->addChild(createOpInBoundsAccessChainGroup(testCtx));
8108         computeTests->addChild(createShaderDefaultOutputGroup(testCtx));
8109         computeTests->addChild(createOpNMinGroup(testCtx));
8110         computeTests->addChild(createOpNMaxGroup(testCtx));
8111         computeTests->addChild(createOpNClampGroup(testCtx));
8112         {
8113                 de::MovePtr<tcu::TestCaseGroup> computeAndroidTests     (new tcu::TestCaseGroup(testCtx, "android", "Android CTS Tests"));
8114
8115                 computeAndroidTests->addChild(createOpSRemComputeGroup(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
8116                 computeAndroidTests->addChild(createOpSModComputeGroup(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
8117
8118                 computeTests->addChild(computeAndroidTests.release());
8119         }
8120
8121         computeTests->addChild(create16BitStorageComputeGroup(testCtx));
8122         computeTests->addChild(createUboMatrixPaddingComputeGroup(testCtx));
8123         computeTests->addChild(createConditionalBranchComputeGroup(testCtx));
8124         computeTests->addChild(createIndexingComputeGroup(testCtx));
8125         computeTests->addChild(createVariablePointersComputeGroup(testCtx));
8126         graphicsTests->addChild(createSpivVersionCheckTests(testCtx, !testComputePipeline));
8127         graphicsTests->addChild(createOpNopTests(testCtx));
8128         graphicsTests->addChild(createOpSourceTests(testCtx));
8129         graphicsTests->addChild(createOpSourceContinuedTests(testCtx));
8130         graphicsTests->addChild(createOpModuleProcessedTests(testCtx));
8131         graphicsTests->addChild(createOpLineTests(testCtx));
8132         graphicsTests->addChild(createOpNoLineTests(testCtx));
8133         graphicsTests->addChild(createOpConstantNullTests(testCtx));
8134         graphicsTests->addChild(createOpConstantCompositeTests(testCtx));
8135         graphicsTests->addChild(createMemoryAccessTests(testCtx));
8136         graphicsTests->addChild(createOpUndefTests(testCtx));
8137         graphicsTests->addChild(createSelectionBlockOrderTests(testCtx));
8138         graphicsTests->addChild(createModuleTests(testCtx));
8139         graphicsTests->addChild(createSwitchBlockOrderTests(testCtx));
8140         graphicsTests->addChild(createOpPhiTests(testCtx));
8141         graphicsTests->addChild(createNoContractionTests(testCtx));
8142         graphicsTests->addChild(createOpQuantizeTests(testCtx));
8143         graphicsTests->addChild(createLoopTests(testCtx));
8144         graphicsTests->addChild(createSpecConstantTests(testCtx));
8145         graphicsTests->addChild(createSpecConstantOpQuantizeToF16Group(testCtx));
8146         graphicsTests->addChild(createBarrierTests(testCtx));
8147         graphicsTests->addChild(createDecorationGroupTests(testCtx));
8148         graphicsTests->addChild(createFRemTests(testCtx));
8149         graphicsTests->addChild(createOpSRemGraphicsTests(testCtx, QP_TEST_RESULT_PASS));
8150         graphicsTests->addChild(createOpSModGraphicsTests(testCtx, QP_TEST_RESULT_PASS));
8151
8152         {
8153                 de::MovePtr<tcu::TestCaseGroup> graphicsAndroidTests    (new tcu::TestCaseGroup(testCtx, "android", "Android CTS Tests"));
8154
8155                 graphicsAndroidTests->addChild(createOpSRemGraphicsTests(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
8156                 graphicsAndroidTests->addChild(createOpSModGraphicsTests(testCtx, QP_TEST_RESULT_QUALITY_WARNING));
8157
8158                 graphicsTests->addChild(graphicsAndroidTests.release());
8159         }
8160
8161         graphicsTests->addChild(create16BitStorageGraphicsGroup(testCtx));
8162         graphicsTests->addChild(createUboMatrixPaddingGraphicsGroup(testCtx));
8163         graphicsTests->addChild(createConditionalBranchGraphicsGroup(testCtx));
8164         graphicsTests->addChild(createIndexingGraphicsGroup(testCtx));
8165         graphicsTests->addChild(createVariablePointersGraphicsGroup(testCtx));
8166
8167         instructionTests->addChild(computeTests.release());
8168         instructionTests->addChild(graphicsTests.release());
8169
8170         return instructionTests.release();
8171 }
8172
8173 } // SpirVAssembly
8174 } // vkt