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
  35 #include "vkDefs.hpp"
  36 #include "vkDeviceUtil.hpp"
  37 #include "vkMemUtil.hpp"
  38 #include "vkPlatform.hpp"
  39 #include "vkPrograms.hpp"
  40 #include "vkQueryUtil.hpp"
  41 #include "vkRef.hpp"
  42 #include "vkRefUtil.hpp"
  43 #include "vkStrUtil.hpp"
  44 #include "vkTypeUtil.hpp"
  45
  46 #include "deRandom.hpp"
  47 #include "deStringUtil.hpp"
  48 #include "deUniquePtr.hpp"
  49 #include "tcuStringTemplate.hpp"
  50
  51 #include "vktSpvAsm16bitStorageTests.hpp"
  52 #include "vktSpvAsmComputeShaderCase.hpp"
  53 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  54 #include "vktSpvAsmGraphicsShaderTestUtil.hpp"
  55 #include "vktTestCaseUtil.hpp"
  56
  57 #include <cmath>
  58 #include <limits>
  59 #include <map>
  60 #include <string>
  61 #include <sstream>
  62 #include <utility>
  63
  64 namespace vkt
  65 {
  66 namespace SpirVAssembly
  67 {
  68
  69 namespace
  70 {
  71
  72 using namespace vk;
  73 using std::map;
  74 using std::string;
  75 using std::vector;
  76 using tcu::IVec3;
  77 using tcu::IVec4;
  78 using tcu::RGBA;
  79 using tcu::TestLog;
  80 using tcu::TestStatus;
  81 using tcu::Vec4;
  82 using de::UniquePtr;
  83 using tcu::StringTemplate;
  84 using tcu::Vec4;
  85
  86 template<typename T>
  87 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, int offset = 0)
  88 {
  89         T* const typedPtr = (T*)dst;
  90         for (int ndx = 0; ndx < numValues; ndx++)
  91                 typedPtr[offset + ndx] = randomScalar<T>(rnd, minValue, maxValue);
  92 }
  93
  94 // Filter is a function that returns true if a value should pass, false otherwise.
  95 template<typename T, typename FilterT>
  96 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, FilterT filter, int offset = 0)
  97 {
  98         T* const typedPtr = (T*)dst;
  99         T value;
 100         for (int ndx = 0; ndx < numValues; ndx++)
 101         {
 102                 do
 103                         value = randomScalar<T>(rnd, minValue, maxValue);
 104                 while (!filter(value));
 105
 106                 typedPtr[offset + ndx] = value;
 107         }
 108 }
 109
 110 static void floorAll (vector<float>& values)
 111 {
 112         for (size_t i = 0; i < values.size(); i++)
 113                 values[i] = deFloatFloor(values[i]);
 114 }
 115
 116 static void floorAll (vector<Vec4>& values)
 117 {
 118         for (size_t i = 0; i < values.size(); i++)
 119                 values[i] = floor(values[i]);
 120 }
 121
 122 struct CaseParameter
 123 {
 124         const char*             name;
 125         string                  param;
 126
 127         CaseParameter   (const char* case_, const string& param_) : name(case_), param(param_) {}
 128 };
 129
 130 // Assembly code used for testing OpNop, OpConstant{Null|Composite}, Op[No]Line, OpSource[Continued], OpSourceExtension, OpUndef is based on GLSL source code:
 131 //
 132 // #version 430
 133 //
 134 // layout(std140, set = 0, binding = 0) readonly buffer Input {
 135 //   float elements[];
 136 // } input_data;
 137 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
 138 //   float elements[];
 139 // } output_data;
 140 //
 141 // layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 142 //
 143 // void main() {
 144 //   uint x = gl_GlobalInvocationID.x;
 145 //   output_data.elements[x] = -input_data.elements[x];
 146 // }
 147
 148 tcu::TestCaseGroup* createOpNopGroup (tcu::TestContext& testCtx)
 149 {
 150         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnop", "Test the OpNop instruction"));
 151         ComputeShaderSpec                               spec;
 152         de::Random                                              rnd                             (deStringHash(group->getName()));
 153         const int                                               numElements             = 100;
 154         vector<float>                                   positiveFloats  (numElements, 0);
 155         vector<float>                                   negativeFloats  (numElements, 0);
 156
 157         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 158
 159         for (size_t ndx = 0; ndx < numElements; ++ndx)
 160                 negativeFloats[ndx] = -positiveFloats[ndx];
 161
 162         spec.assembly =
 163                 string(getComputeAsmShaderPreamble()) +
 164
 165                 "OpSource GLSL 430\n"
 166                 "OpName %main           \"main\"\n"
 167                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 168
 169                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 170
 171                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes())
 172
 173                 + string(getComputeAsmInputOutputBuffer()) +
 174
 175                 "%id        = OpVariable %uvec3ptr Input\n"
 176                 "%zero      = OpConstant %i32 0\n"
 177
 178                 "%main      = OpFunction %void None %voidf\n"
 179                 "%label     = OpLabel\n"
 180                 "%idval     = OpLoad %uvec3 %id\n"
 181                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 182
 183                 "             OpNop\n" // Inside a function body
 184
 185                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 186                 "%inval     = OpLoad %f32 %inloc\n"
 187                 "%neg       = OpFNegate %f32 %inval\n"
 188                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 189                 "             OpStore %outloc %neg\n"
 190                 "             OpReturn\n"
 191                 "             OpFunctionEnd\n";
 192         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 193         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 194         spec.numWorkGroups = IVec3(numElements, 1, 1);
 195
 196         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNop appearing at different places", spec));
 197
 198         return group.release();
 199 }
 200
 201 bool compareFUnord (const std::vector<BufferSp>& inputs, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog& log)
 202 {
 203         if (outputAllocs.size() != 1)
 204                 return false;
 205
 206         const BufferSp& expectedOutput                  = expectedOutputs[0];
 207         const deInt32*  expectedOutputAsInt             = static_cast<const deInt32*>(expectedOutputs[0]->data());
 208         const deInt32*  outputAsInt                             = static_cast<const deInt32*>(outputAllocs[0]->getHostPtr());
 209         const float*    input1AsFloat                   = static_cast<const float*>(inputs[0]->data());
 210         const float*    input2AsFloat                   = static_cast<const float*>(inputs[1]->data());
 211         bool returnValue                                                = true;
 212
 213         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(deInt32); ++idx)
 214         {
 215                 if (outputAsInt[idx] != expectedOutputAsInt[idx])
 216                 {
 217                         log << TestLog::Message << "ERROR: Sub-case failed. inputs: " << input1AsFloat[idx] << "," << input2AsFloat[idx] << " output: " << outputAsInt[idx]<< " expected output: " << expectedOutputAsInt[idx] << TestLog::EndMessage;
 218                         returnValue = false;
 219                 }
 220         }
 221         return returnValue;
 222 }
 223
 224 typedef VkBool32 (*compareFuncType) (float, float);
 225
 226 struct OpFUnordCase
 227 {
 228         const char*             name;
 229         const char*             opCode;
 230         compareFuncType compareFunc;
 231
 232                                         OpFUnordCase                    (const char* _name, const char* _opCode, compareFuncType _compareFunc)
 233                                                 : name                          (_name)
 234                                                 , opCode                        (_opCode)
 235                                                 , compareFunc           (_compareFunc) {}
 236 };
 237
 238 #define ADD_OPFUNORD_CASE(NAME, OPCODE, OPERATOR) \
 239 do { \
 240     struct compare_##NAME { static VkBool32 compare(float x, float y) { return (x OPERATOR y) ? VK_TRUE : VK_FALSE; } }; \
 241     cases.push_back(OpFUnordCase(#NAME, OPCODE, compare_##NAME::compare)); \
 242 } while (deGetFalse())
 243
 244 tcu::TestCaseGroup* createOpFUnordGroup (tcu::TestContext& testCtx)
 245 {
 246         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfunord", "Test the OpFUnord* opcodes"));
 247         de::Random                                              rnd                             (deStringHash(group->getName()));
 248         const int                                               numElements             = 100;
 249         vector<OpFUnordCase>                    cases;
 250
 251         const StringTemplate                    shaderTemplate  (
 252
 253                 string(getComputeAsmShaderPreamble()) +
 254
 255                 "OpSource GLSL 430\n"
 256                 "OpName %main           \"main\"\n"
 257                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 258
 259                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 260
 261                 "OpDecorate %buf BufferBlock\n"
 262                 "OpDecorate %buf2 BufferBlock\n"
 263                 "OpDecorate %indata1 DescriptorSet 0\n"
 264                 "OpDecorate %indata1 Binding 0\n"
 265                 "OpDecorate %indata2 DescriptorSet 0\n"
 266                 "OpDecorate %indata2 Binding 1\n"
 267                 "OpDecorate %outdata DescriptorSet 0\n"
 268                 "OpDecorate %outdata Binding 2\n"
 269                 "OpDecorate %f32arr ArrayStride 4\n"
 270                 "OpDecorate %i32arr ArrayStride 4\n"
 271                 "OpMemberDecorate %buf 0 Offset 0\n"
 272                 "OpMemberDecorate %buf2 0 Offset 0\n"
 273
 274                 + string(getComputeAsmCommonTypes()) +
 275
 276                 "%buf        = OpTypeStruct %f32arr\n"
 277                 "%bufptr     = OpTypePointer Uniform %buf\n"
 278                 "%indata1    = OpVariable %bufptr Uniform\n"
 279                 "%indata2    = OpVariable %bufptr Uniform\n"
 280
 281                 "%buf2       = OpTypeStruct %i32arr\n"
 282                 "%buf2ptr    = OpTypePointer Uniform %buf2\n"
 283                 "%outdata    = OpVariable %buf2ptr Uniform\n"
 284
 285                 "%id        = OpVariable %uvec3ptr Input\n"
 286                 "%zero      = OpConstant %i32 0\n"
 287                 "%consti1   = OpConstant %i32 1\n"
 288                 "%constf1   = OpConstant %f32 1.0\n"
 289
 290                 "%main      = OpFunction %void None %voidf\n"
 291                 "%label     = OpLabel\n"
 292                 "%idval     = OpLoad %uvec3 %id\n"
 293                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 294
 295                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 296                 "%inval1    = OpLoad %f32 %inloc1\n"
 297                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 298                 "%inval2    = OpLoad %f32 %inloc2\n"
 299                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
 300
 301                 "%result    = ${OPCODE} %bool %inval1 %inval2\n"
 302                 "%int_res   = OpSelect %i32 %result %consti1 %zero\n"
 303                 "             OpStore %outloc %int_res\n"
 304
 305                 "             OpReturn\n"
 306                 "             OpFunctionEnd\n");
 307
 308         ADD_OPFUNORD_CASE(equal, "OpFUnordEqual", ==);
 309         ADD_OPFUNORD_CASE(less, "OpFUnordLessThan", <);
 310         ADD_OPFUNORD_CASE(lessequal, "OpFUnordLessThanEqual", <=);
 311         ADD_OPFUNORD_CASE(greater, "OpFUnordGreaterThan", >);
 312         ADD_OPFUNORD_CASE(greaterequal, "OpFUnordGreaterThanEqual", >=);
 313         ADD_OPFUNORD_CASE(notequal, "OpFUnordNotEqual", !=);
 314
 315         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 316         {
 317                 map<string, string>                     specializations;
 318                 ComputeShaderSpec                       spec;
 319                 const float                                     NaN                             = std::numeric_limits<float>::quiet_NaN();
 320                 vector<float>                           inputFloats1    (numElements, 0);
 321                 vector<float>                           inputFloats2    (numElements, 0);
 322                 vector<deInt32>                         expectedInts    (numElements, 0);
 323
 324                 specializations["OPCODE"]       = cases[caseNdx].opCode;
 325                 spec.assembly                           = shaderTemplate.specialize(specializations);
 326
 327                 fillRandomScalars(rnd, 1.f, 100.f, &inputFloats1[0], numElements);
 328                 for (size_t ndx = 0; ndx < numElements; ++ndx)
 329                 {
 330                         switch (ndx % 6)
 331                         {
 332                                 case 0:         inputFloats2[ndx] = inputFloats1[ndx] + 1.0f; break;
 333                                 case 1:         inputFloats2[ndx] = inputFloats1[ndx] - 1.0f; break;
 334                                 case 2:         inputFloats2[ndx] = inputFloats1[ndx]; break;
 335                                 case 3:         inputFloats2[ndx] = NaN; break;
 336                                 case 4:         inputFloats2[ndx] = inputFloats1[ndx];  inputFloats1[ndx] = NaN; break;
 337                                 case 5:         inputFloats2[ndx] = NaN;                                inputFloats1[ndx] = NaN; break;
 338                         }
 339                         expectedInts[ndx] = tcu::Float32(inputFloats1[ndx]).isNaN() || tcu::Float32(inputFloats2[ndx]).isNaN() || cases[caseNdx].compareFunc(inputFloats1[ndx], inputFloats2[ndx]);
 340                 }
 341
 342                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 343                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 344                 spec.outputs.push_back(BufferSp(new Int32Buffer(expectedInts)));
 345                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 346                 spec.verifyIO = &compareFUnord;
 347                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 348         }
 349
 350         return group.release();
 351 }
 352
 353 struct OpAtomicCase
 354 {
 355         const char*             name;
 356         const char*             assembly;
 357         void                    (*calculateExpected)(deInt32&, deInt32);
 358         deInt32                 numOutputElements;
 359
 360                                         OpAtomicCase                    (const char* _name, const char* _assembly, void (*_calculateExpected)(deInt32&, deInt32), deInt32 _numOutputElements)
 361                                                 : name                          (_name)
 362                                                 , assembly                      (_assembly)
 363                                                 , calculateExpected     (_calculateExpected)
 364                                                 , numOutputElements (_numOutputElements) {}
 365 };
 366
 367 tcu::TestCaseGroup* createOpAtomicGroup (tcu::TestContext& testCtx, bool useStorageBuffer)
 368 {
 369         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx,
 370                                                                                                                                                                 useStorageBuffer ? "opatomic_storage_buffer" : "opatomic",
 371                                                                                                                                                                 "Test the OpAtomic* opcodes"));
 372         de::Random                                              rnd                                     (deStringHash(group->getName()));
 373         const int                                               numElements                     = 1000000;
 374         vector<OpAtomicCase>                    cases;
 375
 376         const StringTemplate                    shaderTemplate  (
 377
 378                 string("OpCapability Shader\n") +
 379                 (useStorageBuffer ? "OpExtension \"SPV_KHR_storage_buffer_storage_class\"\n" : "") +
 380                 "OpMemoryModel Logical GLSL450\n"
 381                 "OpEntryPoint GLCompute %main \"main\" %id\n"
 382                 "OpExecutionMode %main LocalSize 1 1 1\n" +
 383
 384                 "OpSource GLSL 430\n"
 385                 "OpName %main           \"main\"\n"
 386                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 387
 388                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 389
 390                 "OpDecorate %buf ${BLOCK_DECORATION}\n"
 391                 "OpDecorate %indata DescriptorSet 0\n"
 392                 "OpDecorate %indata Binding 0\n"
 393                 "OpDecorate %i32arr ArrayStride 4\n"
 394                 "OpMemberDecorate %buf 0 Offset 0\n"
 395
 396                 "OpDecorate %sumbuf ${BLOCK_DECORATION}\n"
 397                 "OpDecorate %sum DescriptorSet 0\n"
 398                 "OpDecorate %sum Binding 1\n"
 399                 "OpMemberDecorate %sumbuf 0 Coherent\n"
 400                 "OpMemberDecorate %sumbuf 0 Offset 0\n"
 401
 402                 "%void      = OpTypeVoid\n"
 403                 "%voidf     = OpTypeFunction %void\n"
 404                 "%u32       = OpTypeInt 32 0\n"
 405                 "%i32       = OpTypeInt 32 1\n"
 406                 "%uvec3     = OpTypeVector %u32 3\n"
 407                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
 408                 "%i32ptr    = OpTypePointer ${BLOCK_POINTER_TYPE} %i32\n"
 409                 "%i32arr    = OpTypeRuntimeArray %i32\n"
 410
 411                 "%buf       = OpTypeStruct %i32arr\n"
 412                 "%bufptr    = OpTypePointer ${BLOCK_POINTER_TYPE} %buf\n"
 413                 "%indata    = OpVariable %bufptr ${BLOCK_POINTER_TYPE}\n"
 414
 415                 "%sumbuf    = OpTypeStruct %i32arr\n"
 416                 "%sumbufptr = OpTypePointer ${BLOCK_POINTER_TYPE} %sumbuf\n"
 417                 "%sum       = OpVariable %sumbufptr ${BLOCK_POINTER_TYPE}\n"
 418
 419                 "%id        = OpVariable %uvec3ptr Input\n"
 420                 "%minusone  = OpConstant %i32 -1\n"
 421                 "%zero      = OpConstant %i32 0\n"
 422                 "%one       = OpConstant %u32 1\n"
 423                 "%two       = OpConstant %i32 2\n"
 424
 425                 "%main      = OpFunction %void None %voidf\n"
 426                 "%label     = OpLabel\n"
 427                 "%idval     = OpLoad %uvec3 %id\n"
 428                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 429
 430                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
 431                 "%inval     = OpLoad %i32 %inloc\n"
 432
 433                 "%outloc    = OpAccessChain %i32ptr %sum %zero ${INDEX}\n"
 434                 "${INSTRUCTION}"
 435
 436                 "             OpReturn\n"
 437                 "             OpFunctionEnd\n");
 438
 439         #define ADD_OPATOMIC_CASE(NAME, ASSEMBLY, CALCULATE_EXPECTED, NUM_OUTPUT_ELEMENTS) \
 440         do { \
 441                 DE_STATIC_ASSERT((NUM_OUTPUT_ELEMENTS) == 1 || (NUM_OUTPUT_ELEMENTS) == numElements); \
 442                 struct calculateExpected_##NAME { static void calculateExpected(deInt32& expected, deInt32 input) CALCULATE_EXPECTED }; /* NOLINT(CALCULATE_EXPECTED) */ \
 443                 cases.push_back(OpAtomicCase(#NAME, ASSEMBLY, calculateExpected_##NAME::calculateExpected, NUM_OUTPUT_ELEMENTS)); \
 444         } while (deGetFalse())
 445         #define ADD_OPATOMIC_CASE_1(NAME, ASSEMBLY, CALCULATE_EXPECTED) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, CALCULATE_EXPECTED, 1)
 446         #define ADD_OPATOMIC_CASE_N(NAME, ASSEMBLY, CALCULATE_EXPECTED) ADD_OPATOMIC_CASE(NAME, ASSEMBLY, CALCULATE_EXPECTED, numElements)
 447
 448         ADD_OPATOMIC_CASE_1(iadd,       "%unused    = OpAtomicIAdd %i32 %outloc %one %zero %inval\n", { expected += input; } );
 449         ADD_OPATOMIC_CASE_1(isub,       "%unused    = OpAtomicISub %i32 %outloc %one %zero %inval\n", { expected -= input; } );
 450         ADD_OPATOMIC_CASE_1(iinc,       "%unused    = OpAtomicIIncrement %i32 %outloc %one %zero\n",  { ++expected; (void)input;} );
 451         ADD_OPATOMIC_CASE_1(idec,       "%unused    = OpAtomicIDecrement %i32 %outloc %one %zero\n",  { --expected; (void)input;} );
 452         ADD_OPATOMIC_CASE_N(load,       "%inval2    = OpAtomicLoad %i32 %inloc %zero %zero\n"
 453                                                                 "             OpStore %outloc %inval2\n",  { expected = input;} );
 454         ADD_OPATOMIC_CASE_N(store,      "             OpAtomicStore %outloc %zero %zero %inval\n",  { expected = input;} );
 455         ADD_OPATOMIC_CASE_N(compex, "%even      = OpSMod %i32 %inval %two\n"
 456                                                                 "             OpStore %outloc %even\n"
 457                                                                 "%unused    = OpAtomicCompareExchange %i32 %outloc %one %zero %zero %minusone %zero\n",  { expected = (input % 2) == 0 ? -1 : 1;} );
 458
 459         #undef ADD_OPATOMIC_CASE
 460         #undef ADD_OPATOMIC_CASE_1
 461         #undef ADD_OPATOMIC_CASE_N
 462
 463         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 464         {
 465                 map<string, string>                     specializations;
 466                 ComputeShaderSpec                       spec;
 467                 vector<deInt32>                         inputInts               (numElements, 0);
 468                 vector<deInt32>                         expected                (cases[caseNdx].numOutputElements, -1);
 469
 470                 specializations["INDEX"]                                = (cases[caseNdx].numOutputElements == 1) ? "%zero" : "%x";
 471                 specializations["INSTRUCTION"]                  = cases[caseNdx].assembly;
 472                 specializations["BLOCK_DECORATION"]             = useStorageBuffer ? "Block" : "BufferBlock";
 473                 specializations["BLOCK_POINTER_TYPE"]   = useStorageBuffer ? "StorageBuffer" : "Uniform";
 474                 spec.assembly                                                   = shaderTemplate.specialize(specializations);
 475
 476                 if (useStorageBuffer)
 477                         spec.extensions.push_back("VK_KHR_storage_buffer_storage_class");
 478
 479                 fillRandomScalars(rnd, 1, 100, &inputInts[0], numElements);
 480                 for (size_t ndx = 0; ndx < numElements; ++ndx)
 481                 {
 482                         cases[caseNdx].calculateExpected((cases[caseNdx].numOutputElements == 1) ? expected[0] : expected[ndx], inputInts[ndx]);
 483                 }
 484
 485                 spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
 486                 spec.outputs.push_back(BufferSp(new Int32Buffer(expected)));
 487                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 488                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 489         }
 490
 491         return group.release();
 492 }
 493
 494 tcu::TestCaseGroup* createOpLineGroup (tcu::TestContext& testCtx)
 495 {
 496         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opline", "Test the OpLine instruction"));
 497         ComputeShaderSpec                               spec;
 498         de::Random                                              rnd                             (deStringHash(group->getName()));
 499         const int                                               numElements             = 100;
 500         vector<float>                                   positiveFloats  (numElements, 0);
 501         vector<float>                                   negativeFloats  (numElements, 0);
 502
 503         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 504
 505         for (size_t ndx = 0; ndx < numElements; ++ndx)
 506                 negativeFloats[ndx] = -positiveFloats[ndx];
 507
 508         spec.assembly =
 509                 string(getComputeAsmShaderPreamble()) +
 510
 511                 "%fname1 = OpString \"negateInputs.comp\"\n"
 512                 "%fname2 = OpString \"negateInputs\"\n"
 513
 514                 "OpSource GLSL 430\n"
 515                 "OpName %main           \"main\"\n"
 516                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 517
 518                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 519
 520                 + string(getComputeAsmInputOutputBufferTraits()) +
 521
 522                 "OpLine %fname1 0 0\n" // At the earliest possible position
 523
 524                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 525
 526                 "OpLine %fname1 0 1\n" // Multiple OpLines in sequence
 527                 "OpLine %fname2 1 0\n" // Different filenames
 528                 "OpLine %fname1 1000 100000\n"
 529
 530                 "%id        = OpVariable %uvec3ptr Input\n"
 531                 "%zero      = OpConstant %i32 0\n"
 532
 533                 "OpLine %fname1 1 1\n" // Before a function
 534
 535                 "%main      = OpFunction %void None %voidf\n"
 536                 "%label     = OpLabel\n"
 537
 538                 "OpLine %fname1 1 1\n" // In a function
 539
 540                 "%idval     = OpLoad %uvec3 %id\n"
 541                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 542                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 543                 "%inval     = OpLoad %f32 %inloc\n"
 544                 "%neg       = OpFNegate %f32 %inval\n"
 545                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 546                 "             OpStore %outloc %neg\n"
 547                 "             OpReturn\n"
 548                 "             OpFunctionEnd\n";
 549         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 550         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 551         spec.numWorkGroups = IVec3(numElements, 1, 1);
 552
 553         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpLine appearing at different places", spec));
 554
 555         return group.release();
 556 }
 557
 558 tcu::TestCaseGroup* createOpNoLineGroup (tcu::TestContext& testCtx)
 559 {
 560         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnoline", "Test the OpNoLine instruction"));
 561         ComputeShaderSpec                               spec;
 562         de::Random                                              rnd                             (deStringHash(group->getName()));
 563         const int                                               numElements             = 100;
 564         vector<float>                                   positiveFloats  (numElements, 0);
 565         vector<float>                                   negativeFloats  (numElements, 0);
 566
 567         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 568
 569         for (size_t ndx = 0; ndx < numElements; ++ndx)
 570                 negativeFloats[ndx] = -positiveFloats[ndx];
 571
 572         spec.assembly =
 573                 string(getComputeAsmShaderPreamble()) +
 574
 575                 "%fname = OpString \"negateInputs.comp\"\n"
 576
 577                 "OpSource GLSL 430\n"
 578                 "OpName %main           \"main\"\n"
 579                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 580
 581                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 582
 583                 + string(getComputeAsmInputOutputBufferTraits()) +
 584
 585                 "OpNoLine\n" // At the earliest possible position, without preceding OpLine
 586
 587                 + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
 588
 589                 "OpLine %fname 0 1\n"
 590                 "OpNoLine\n" // Immediately following a preceding OpLine
 591
 592                 "OpLine %fname 1000 1\n"
 593
 594                 "%id        = OpVariable %uvec3ptr Input\n"
 595                 "%zero      = OpConstant %i32 0\n"
 596
 597                 "OpNoLine\n" // Contents after the previous OpLine
 598
 599                 "%main      = OpFunction %void None %voidf\n"
 600                 "%label     = OpLabel\n"
 601                 "%idval     = OpLoad %uvec3 %id\n"
 602                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 603
 604                 "OpNoLine\n" // Multiple OpNoLine
 605                 "OpNoLine\n"
 606                 "OpNoLine\n"
 607
 608                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 609                 "%inval     = OpLoad %f32 %inloc\n"
 610                 "%neg       = OpFNegate %f32 %inval\n"
 611                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 612                 "             OpStore %outloc %neg\n"
 613                 "             OpReturn\n"
 614                 "             OpFunctionEnd\n";
 615         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 616         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 617         spec.numWorkGroups = IVec3(numElements, 1, 1);
 618
 619         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNoLine appearing at different places", spec));
 620
 621         return group.release();
 622 }
 623
 624 // Compare instruction for the contraction compute case.
 625 // Returns true if the output is what is expected from the test case.
 626 bool compareNoContractCase(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 627 {
 628         if (outputAllocs.size() != 1)
 629                 return false;
 630
 631         // We really just need this for size because we are not comparing the exact values.
 632         const BufferSp& expectedOutput  = expectedOutputs[0];
 633         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
 634
 635         for(size_t i = 0; i < expectedOutput->getNumBytes() / sizeof(float); ++i) {
 636                 if (outputAsFloat[i] != 0.f &&
 637                         outputAsFloat[i] != -ldexp(1, -24)) {
 638                         return false;
 639                 }
 640         }
 641
 642         return true;
 643 }
 644
 645 tcu::TestCaseGroup* createNoContractionGroup (tcu::TestContext& testCtx)
 646 {
 647         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
 648         vector<CaseParameter>                   cases;
 649         const int                                               numElements             = 100;
 650         vector<float>                                   inputFloats1    (numElements, 0);
 651         vector<float>                                   inputFloats2    (numElements, 0);
 652         vector<float>                                   outputFloats    (numElements, 0);
 653         const StringTemplate                    shaderTemplate  (
 654                 string(getComputeAsmShaderPreamble()) +
 655
 656                 "OpName %main           \"main\"\n"
 657                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 658
 659                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 660
 661                 "${DECORATION}\n"
 662
 663                 "OpDecorate %buf BufferBlock\n"
 664                 "OpDecorate %indata1 DescriptorSet 0\n"
 665                 "OpDecorate %indata1 Binding 0\n"
 666                 "OpDecorate %indata2 DescriptorSet 0\n"
 667                 "OpDecorate %indata2 Binding 1\n"
 668                 "OpDecorate %outdata DescriptorSet 0\n"
 669                 "OpDecorate %outdata Binding 2\n"
 670                 "OpDecorate %f32arr ArrayStride 4\n"
 671                 "OpMemberDecorate %buf 0 Offset 0\n"
 672
 673                 + string(getComputeAsmCommonTypes()) +
 674
 675                 "%buf        = OpTypeStruct %f32arr\n"
 676                 "%bufptr     = OpTypePointer Uniform %buf\n"
 677                 "%indata1    = OpVariable %bufptr Uniform\n"
 678                 "%indata2    = OpVariable %bufptr Uniform\n"
 679                 "%outdata    = OpVariable %bufptr Uniform\n"
 680
 681                 "%id         = OpVariable %uvec3ptr Input\n"
 682                 "%zero       = OpConstant %i32 0\n"
 683                 "%c_f_m1     = OpConstant %f32 -1.\n"
 684
 685                 "%main       = OpFunction %void None %voidf\n"
 686                 "%label      = OpLabel\n"
 687                 "%idval      = OpLoad %uvec3 %id\n"
 688                 "%x          = OpCompositeExtract %u32 %idval 0\n"
 689                 "%inloc1     = OpAccessChain %f32ptr %indata1 %zero %x\n"
 690                 "%inval1     = OpLoad %f32 %inloc1\n"
 691                 "%inloc2     = OpAccessChain %f32ptr %indata2 %zero %x\n"
 692                 "%inval2     = OpLoad %f32 %inloc2\n"
 693                 "%mul        = OpFMul %f32 %inval1 %inval2\n"
 694                 "%add        = OpFAdd %f32 %mul %c_f_m1\n"
 695                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
 696                 "              OpStore %outloc %add\n"
 697                 "              OpReturn\n"
 698                 "              OpFunctionEnd\n");
 699
 700         cases.push_back(CaseParameter("multiplication", "OpDecorate %mul NoContraction"));
 701         cases.push_back(CaseParameter("addition",               "OpDecorate %add NoContraction"));
 702         cases.push_back(CaseParameter("both",                   "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"));
 703
 704         for (size_t ndx = 0; ndx < numElements; ++ndx)
 705         {
 706                 inputFloats1[ndx]       = 1.f + std::ldexp(1.f, -23); // 1 + 2^-23.
 707                 inputFloats2[ndx]       = 1.f - std::ldexp(1.f, -23); // 1 - 2^-23.
 708                 // Result for (1 + 2^-23) * (1 - 2^-23) - 1. With NoContraction, the multiplication will be
 709                 // conducted separately and the result is rounded to 1, or 0x1.fffffcp-1
 710                 // So the final result will be 0.f or 0x1p-24.
 711                 // If the operation is combined into a precise fused multiply-add, then the result would be
 712                 // 2^-46 (0xa8800000).
 713                 outputFloats[ndx]       = 0.f;
 714         }
 715
 716         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 717         {
 718                 map<string, string>             specializations;
 719                 ComputeShaderSpec               spec;
 720
 721                 specializations["DECORATION"] = cases[caseNdx].param;
 722                 spec.assembly = shaderTemplate.specialize(specializations);
 723                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 724                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 725                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 726                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 727                 // Check against the two possible answers based on rounding mode.
 728                 spec.verifyIO = &compareNoContractCase;
 729
 730                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 731         }
 732         return group.release();
 733 }
 734
 735 bool compareFRem(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 736 {
 737         if (outputAllocs.size() != 1)
 738                 return false;
 739
 740         const BufferSp& expectedOutput = expectedOutputs[0];
 741         const float *expectedOutputAsFloat = static_cast<const float*>(expectedOutput->data());
 742         const float* outputAsFloat = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
 743
 744         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(float); ++idx)
 745         {
 746                 const float f0 = expectedOutputAsFloat[idx];
 747                 const float f1 = outputAsFloat[idx];
 748                 // \todo relative error needs to be fairly high because FRem may be implemented as
 749                 // (roughly) frac(a/b)*b, so LSB errors can be magnified. But this should be fine for now.
 750                 if (deFloatAbs((f1 - f0) / f0) > 0.02)
 751                         return false;
 752         }
 753
 754         return true;
 755 }
 756
 757 tcu::TestCaseGroup* createOpFRemGroup (tcu::TestContext& testCtx)
 758 {
 759         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfrem", "Test the OpFRem instruction"));
 760         ComputeShaderSpec                               spec;
 761         de::Random                                              rnd                             (deStringHash(group->getName()));
 762         const int                                               numElements             = 200;
 763         vector<float>                                   inputFloats1    (numElements, 0);
 764         vector<float>                                   inputFloats2    (numElements, 0);
 765         vector<float>                                   outputFloats    (numElements, 0);
 766
 767         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
 768         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats2[0], numElements);
 769
 770         for (size_t ndx = 0; ndx < numElements; ++ndx)
 771         {
 772                 // Guard against divisors near zero.
 773                 if (std::fabs(inputFloats2[ndx]) < 1e-3)
 774                         inputFloats2[ndx] = 8.f;
 775
 776                 // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
 777                 outputFloats[ndx] = std::fmod(inputFloats1[ndx], inputFloats2[ndx]);
 778         }
 779
 780         spec.assembly =
 781                 string(getComputeAsmShaderPreamble()) +
 782
 783                 "OpName %main           \"main\"\n"
 784                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 785
 786                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 787
 788                 "OpDecorate %buf BufferBlock\n"
 789                 "OpDecorate %indata1 DescriptorSet 0\n"
 790                 "OpDecorate %indata1 Binding 0\n"
 791                 "OpDecorate %indata2 DescriptorSet 0\n"
 792                 "OpDecorate %indata2 Binding 1\n"
 793                 "OpDecorate %outdata DescriptorSet 0\n"
 794                 "OpDecorate %outdata Binding 2\n"
 795                 "OpDecorate %f32arr ArrayStride 4\n"
 796                 "OpMemberDecorate %buf 0 Offset 0\n"
 797
 798                 + string(getComputeAsmCommonTypes()) +
 799
 800                 "%buf        = OpTypeStruct %f32arr\n"
 801                 "%bufptr     = OpTypePointer Uniform %buf\n"
 802                 "%indata1    = OpVariable %bufptr Uniform\n"
 803                 "%indata2    = OpVariable %bufptr Uniform\n"
 804                 "%outdata    = OpVariable %bufptr Uniform\n"
 805
 806                 "%id        = OpVariable %uvec3ptr Input\n"
 807                 "%zero      = OpConstant %i32 0\n"
 808
 809                 "%main      = OpFunction %void None %voidf\n"
 810                 "%label     = OpLabel\n"
 811                 "%idval     = OpLoad %uvec3 %id\n"
 812                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 813                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 814                 "%inval1    = OpLoad %f32 %inloc1\n"
 815                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 816                 "%inval2    = OpLoad %f32 %inloc2\n"
 817                 "%rem       = OpFRem %f32 %inval1 %inval2\n"
 818                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 819                 "             OpStore %outloc %rem\n"
 820                 "             OpReturn\n"
 821                 "             OpFunctionEnd\n";
 822
 823         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 824         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 825         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 826         spec.numWorkGroups = IVec3(numElements, 1, 1);
 827         spec.verifyIO = &compareFRem;
 828
 829         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
 830
 831         return group.release();
 832 }
 833
 834 // Copy contents in the input buffer to the output buffer.
 835 tcu::TestCaseGroup* createOpCopyMemoryGroup (tcu::TestContext& testCtx)
 836 {
 837         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopymemory", "Test the OpCopyMemory instruction"));
 838         de::Random                                              rnd                             (deStringHash(group->getName()));
 839         const int                                               numElements             = 100;
 840
 841         // 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.
 842         ComputeShaderSpec                               spec1;
 843         vector<Vec4>                                    inputFloats1    (numElements);
 844         vector<Vec4>                                    outputFloats1   (numElements);
 845
 846         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats1[0], numElements * 4);
 847
 848         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
 849         floorAll(inputFloats1);
 850
 851         for (size_t ndx = 0; ndx < numElements; ++ndx)
 852                 outputFloats1[ndx] = inputFloats1[ndx] + Vec4(0.f, 0.5f, 1.5f, 2.5f);
 853
 854         spec1.assembly =
 855                 string(getComputeAsmShaderPreamble()) +
 856
 857                 "OpName %main           \"main\"\n"
 858                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 859
 860                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 861                 "OpDecorate %vec4arr ArrayStride 16\n"
 862
 863                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
 864
 865                 "%vec4       = OpTypeVector %f32 4\n"
 866                 "%vec4ptr_u  = OpTypePointer Uniform %vec4\n"
 867                 "%vec4ptr_f  = OpTypePointer Function %vec4\n"
 868                 "%vec4arr    = OpTypeRuntimeArray %vec4\n"
 869                 "%buf        = OpTypeStruct %vec4arr\n"
 870                 "%bufptr     = OpTypePointer Uniform %buf\n"
 871                 "%indata     = OpVariable %bufptr Uniform\n"
 872                 "%outdata    = OpVariable %bufptr Uniform\n"
 873
 874                 "%id         = OpVariable %uvec3ptr Input\n"
 875                 "%zero       = OpConstant %i32 0\n"
 876                 "%c_f_0      = OpConstant %f32 0.\n"
 877                 "%c_f_0_5    = OpConstant %f32 0.5\n"
 878                 "%c_f_1_5    = OpConstant %f32 1.5\n"
 879                 "%c_f_2_5    = OpConstant %f32 2.5\n"
 880                 "%c_vec4     = OpConstantComposite %vec4 %c_f_0 %c_f_0_5 %c_f_1_5 %c_f_2_5\n"
 881
 882                 "%main       = OpFunction %void None %voidf\n"
 883                 "%label      = OpLabel\n"
 884                 "%v_vec4     = OpVariable %vec4ptr_f Function\n"
 885                 "%idval      = OpLoad %uvec3 %id\n"
 886                 "%x          = OpCompositeExtract %u32 %idval 0\n"
 887                 "%inloc      = OpAccessChain %vec4ptr_u %indata %zero %x\n"
 888                 "%outloc     = OpAccessChain %vec4ptr_u %outdata %zero %x\n"
 889                 "              OpCopyMemory %v_vec4 %inloc\n"
 890                 "%v_vec4_val = OpLoad %vec4 %v_vec4\n"
 891                 "%add        = OpFAdd %vec4 %v_vec4_val %c_vec4\n"
 892                 "              OpStore %outloc %add\n"
 893                 "              OpReturn\n"
 894                 "              OpFunctionEnd\n";
 895
 896         spec1.inputs.push_back(BufferSp(new Vec4Buffer(inputFloats1)));
 897         spec1.outputs.push_back(BufferSp(new Vec4Buffer(outputFloats1)));
 898         spec1.numWorkGroups = IVec3(numElements, 1, 1);
 899
 900         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector", "OpCopyMemory elements of vector type", spec1));
 901
 902         // The following case copies a float[100] variable from the input buffer to the output buffer.
 903         ComputeShaderSpec                               spec2;
 904         vector<float>                                   inputFloats2    (numElements);
 905         vector<float>                                   outputFloats2   (numElements);
 906
 907         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats2[0], numElements);
 908
 909         for (size_t ndx = 0; ndx < numElements; ++ndx)
 910                 outputFloats2[ndx] = inputFloats2[ndx];
 911
 912         spec2.assembly =
 913                 string(getComputeAsmShaderPreamble()) +
 914
 915                 "OpName %main           \"main\"\n"
 916                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 917
 918                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 919                 "OpDecorate %f32arr100 ArrayStride 4\n"
 920
 921                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
 922
 923                 "%hundred        = OpConstant %u32 100\n"
 924                 "%f32arr100      = OpTypeArray %f32 %hundred\n"
 925                 "%f32arr100ptr_f = OpTypePointer Function %f32arr100\n"
 926                 "%f32arr100ptr_u = OpTypePointer Uniform %f32arr100\n"
 927                 "%buf            = OpTypeStruct %f32arr100\n"
 928                 "%bufptr         = OpTypePointer Uniform %buf\n"
 929                 "%indata         = OpVariable %bufptr Uniform\n"
 930                 "%outdata        = OpVariable %bufptr Uniform\n"
 931
 932                 "%id             = OpVariable %uvec3ptr Input\n"
 933                 "%zero           = OpConstant %i32 0\n"
 934
 935                 "%main           = OpFunction %void None %voidf\n"
 936                 "%label          = OpLabel\n"
 937                 "%var            = OpVariable %f32arr100ptr_f Function\n"
 938                 "%inarr          = OpAccessChain %f32arr100ptr_u %indata %zero\n"
 939                 "%outarr         = OpAccessChain %f32arr100ptr_u %outdata %zero\n"
 940                 "                  OpCopyMemory %var %inarr\n"
 941                 "                  OpCopyMemory %outarr %var\n"
 942                 "                  OpReturn\n"
 943                 "                  OpFunctionEnd\n";
 944
 945         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 946         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
 947         spec2.numWorkGroups = IVec3(1, 1, 1);
 948
 949         group->addChild(new SpvAsmComputeShaderCase(testCtx, "array", "OpCopyMemory elements of array type", spec2));
 950
 951         // The following case copies a struct{vec4, vec4, vec4, vec4} variable from the input buffer to the output buffer.
 952         ComputeShaderSpec                               spec3;
 953         vector<float>                                   inputFloats3    (16);
 954         vector<float>                                   outputFloats3   (16);
 955
 956         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats3[0], 16);
 957
 958         for (size_t ndx = 0; ndx < 16; ++ndx)
 959                 outputFloats3[ndx] = inputFloats3[ndx];
 960
 961         spec3.assembly =
 962                 string(getComputeAsmShaderPreamble()) +
 963
 964                 "OpName %main           \"main\"\n"
 965                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 966
 967                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 968                 "OpMemberDecorate %buf 0 Offset 0\n"
 969                 "OpMemberDecorate %buf 1 Offset 16\n"
 970                 "OpMemberDecorate %buf 2 Offset 32\n"
 971                 "OpMemberDecorate %buf 3 Offset 48\n"
 972
 973                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
 974
 975                 "%vec4      = OpTypeVector %f32 4\n"
 976                 "%buf       = OpTypeStruct %vec4 %vec4 %vec4 %vec4\n"
 977                 "%bufptr    = OpTypePointer Uniform %buf\n"
 978                 "%indata    = OpVariable %bufptr Uniform\n"
 979                 "%outdata   = OpVariable %bufptr Uniform\n"
 980                 "%vec4stptr = OpTypePointer Function %buf\n"
 981
 982                 "%id        = OpVariable %uvec3ptr Input\n"
 983                 "%zero      = OpConstant %i32 0\n"
 984
 985                 "%main      = OpFunction %void None %voidf\n"
 986                 "%label     = OpLabel\n"
 987                 "%var       = OpVariable %vec4stptr Function\n"
 988                 "             OpCopyMemory %var %indata\n"
 989                 "             OpCopyMemory %outdata %var\n"
 990                 "             OpReturn\n"
 991                 "             OpFunctionEnd\n";
 992
 993         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
 994         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
 995         spec3.numWorkGroups = IVec3(1, 1, 1);
 996
 997         group->addChild(new SpvAsmComputeShaderCase(testCtx, "struct", "OpCopyMemory elements of struct type", spec3));
 998
 999         // The following case negates multiple float variables from the input buffer and stores the results to the output buffer.
1000         ComputeShaderSpec                               spec4;
1001         vector<float>                                   inputFloats4    (numElements);
1002         vector<float>                                   outputFloats4   (numElements);
1003
1004         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats4[0], numElements);
1005
1006         for (size_t ndx = 0; ndx < numElements; ++ndx)
1007                 outputFloats4[ndx] = -inputFloats4[ndx];
1008
1009         spec4.assembly =
1010                 string(getComputeAsmShaderPreamble()) +
1011
1012                 "OpName %main           \"main\"\n"
1013                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1014
1015                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1016
1017                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
1018
1019                 "%f32ptr_f  = OpTypePointer Function %f32\n"
1020                 "%id        = OpVariable %uvec3ptr Input\n"
1021                 "%zero      = OpConstant %i32 0\n"
1022
1023                 "%main      = OpFunction %void None %voidf\n"
1024                 "%label     = OpLabel\n"
1025                 "%var       = OpVariable %f32ptr_f Function\n"
1026                 "%idval     = OpLoad %uvec3 %id\n"
1027                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1028                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
1029                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
1030                 "             OpCopyMemory %var %inloc\n"
1031                 "%val       = OpLoad %f32 %var\n"
1032                 "%neg       = OpFNegate %f32 %val\n"
1033                 "             OpStore %outloc %neg\n"
1034                 "             OpReturn\n"
1035                 "             OpFunctionEnd\n";
1036
1037         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
1038         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
1039         spec4.numWorkGroups = IVec3(numElements, 1, 1);
1040
1041         group->addChild(new SpvAsmComputeShaderCase(testCtx, "float", "OpCopyMemory elements of float type", spec4));
1042
1043         return group.release();
1044 }
1045
1046 tcu::TestCaseGroup* createOpCopyObjectGroup (tcu::TestContext& testCtx)
1047 {
1048         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopyobject", "Test the OpCopyObject instruction"));
1049         ComputeShaderSpec                               spec;
1050         de::Random                                              rnd                             (deStringHash(group->getName()));
1051         const int                                               numElements             = 100;
1052         vector<float>                                   inputFloats             (numElements, 0);
1053         vector<float>                                   outputFloats    (numElements, 0);
1054
1055         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
1056
1057         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1058         floorAll(inputFloats);
1059
1060         for (size_t ndx = 0; ndx < numElements; ++ndx)
1061                 outputFloats[ndx] = inputFloats[ndx] + 7.5f;
1062
1063         spec.assembly =
1064                 string(getComputeAsmShaderPreamble()) +
1065
1066                 "OpName %main           \"main\"\n"
1067                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1068
1069                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1070
1071                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1072
1073                 "%fmat     = OpTypeMatrix %fvec3 3\n"
1074                 "%three    = OpConstant %u32 3\n"
1075                 "%farr     = OpTypeArray %f32 %three\n"
1076                 "%fst      = OpTypeStruct %f32 %f32\n"
1077
1078                 + string(getComputeAsmInputOutputBuffer()) +
1079
1080                 "%id            = OpVariable %uvec3ptr Input\n"
1081                 "%zero          = OpConstant %i32 0\n"
1082                 "%c_f           = OpConstant %f32 1.5\n"
1083                 "%c_fvec3       = OpConstantComposite %fvec3 %c_f %c_f %c_f\n"
1084                 "%c_fmat        = OpConstantComposite %fmat %c_fvec3 %c_fvec3 %c_fvec3\n"
1085                 "%c_farr        = OpConstantComposite %farr %c_f %c_f %c_f\n"
1086                 "%c_fst         = OpConstantComposite %fst %c_f %c_f\n"
1087
1088                 "%main          = OpFunction %void None %voidf\n"
1089                 "%label         = OpLabel\n"
1090                 "%c_f_copy      = OpCopyObject %f32   %c_f\n"
1091                 "%c_fvec3_copy  = OpCopyObject %fvec3 %c_fvec3\n"
1092                 "%c_fmat_copy   = OpCopyObject %fmat  %c_fmat\n"
1093                 "%c_farr_copy   = OpCopyObject %farr  %c_farr\n"
1094                 "%c_fst_copy    = OpCopyObject %fst   %c_fst\n"
1095                 "%fvec3_elem    = OpCompositeExtract %f32 %c_fvec3_copy 0\n"
1096                 "%fmat_elem     = OpCompositeExtract %f32 %c_fmat_copy 1 2\n"
1097                 "%farr_elem     = OpCompositeExtract %f32 %c_farr_copy 2\n"
1098                 "%fst_elem      = OpCompositeExtract %f32 %c_fst_copy 1\n"
1099                 // Add up. 1.5 * 5 = 7.5.
1100                 "%add1          = OpFAdd %f32 %c_f_copy %fvec3_elem\n"
1101                 "%add2          = OpFAdd %f32 %add1     %fmat_elem\n"
1102                 "%add3          = OpFAdd %f32 %add2     %farr_elem\n"
1103                 "%add4          = OpFAdd %f32 %add3     %fst_elem\n"
1104
1105                 "%idval         = OpLoad %uvec3 %id\n"
1106                 "%x             = OpCompositeExtract %u32 %idval 0\n"
1107                 "%inloc         = OpAccessChain %f32ptr %indata %zero %x\n"
1108                 "%outloc        = OpAccessChain %f32ptr %outdata %zero %x\n"
1109                 "%inval         = OpLoad %f32 %inloc\n"
1110                 "%add           = OpFAdd %f32 %add4 %inval\n"
1111                 "                 OpStore %outloc %add\n"
1112                 "                 OpReturn\n"
1113                 "                 OpFunctionEnd\n";
1114         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1115         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1116         spec.numWorkGroups = IVec3(numElements, 1, 1);
1117
1118         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "OpCopyObject on different types", spec));
1119
1120         return group.release();
1121 }
1122 // Assembly code used for testing OpUnreachable is based on GLSL source code:
1123 //
1124 // #version 430
1125 //
1126 // layout(std140, set = 0, binding = 0) readonly buffer Input {
1127 //   float elements[];
1128 // } input_data;
1129 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
1130 //   float elements[];
1131 // } output_data;
1132 //
1133 // void not_called_func() {
1134 //   // place OpUnreachable here
1135 // }
1136 //
1137 // uint modulo4(uint val) {
1138 //   switch (val % uint(4)) {
1139 //     case 0:  return 3;
1140 //     case 1:  return 2;
1141 //     case 2:  return 1;
1142 //     case 3:  return 0;
1143 //     default: return 100; // place OpUnreachable here
1144 //   }
1145 // }
1146 //
1147 // uint const5() {
1148 //   return 5;
1149 //   // place OpUnreachable here
1150 // }
1151 //
1152 // void main() {
1153 //   uint x = gl_GlobalInvocationID.x;
1154 //   if (const5() > modulo4(1000)) {
1155 //     output_data.elements[x] = -input_data.elements[x];
1156 //   } else {
1157 //     // place OpUnreachable here
1158 //     output_data.elements[x] = input_data.elements[x];
1159 //   }
1160 // }
1161
1162 tcu::TestCaseGroup* createOpUnreachableGroup (tcu::TestContext& testCtx)
1163 {
1164         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opunreachable", "Test the OpUnreachable instruction"));
1165         ComputeShaderSpec                               spec;
1166         de::Random                                              rnd                             (deStringHash(group->getName()));
1167         const int                                               numElements             = 100;
1168         vector<float>                                   positiveFloats  (numElements, 0);
1169         vector<float>                                   negativeFloats  (numElements, 0);
1170
1171         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
1172
1173         for (size_t ndx = 0; ndx < numElements; ++ndx)
1174                 negativeFloats[ndx] = -positiveFloats[ndx];
1175
1176         spec.assembly =
1177                 string(getComputeAsmShaderPreamble()) +
1178
1179                 "OpSource GLSL 430\n"
1180                 "OpName %main            \"main\"\n"
1181                 "OpName %func_not_called_func \"not_called_func(\"\n"
1182                 "OpName %func_modulo4         \"modulo4(u1;\"\n"
1183                 "OpName %func_const5          \"const5(\"\n"
1184                 "OpName %id                   \"gl_GlobalInvocationID\"\n"
1185
1186                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1187
1188                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1189
1190                 "%u32ptr    = OpTypePointer Function %u32\n"
1191                 "%uintfuint = OpTypeFunction %u32 %u32ptr\n"
1192                 "%unitf     = OpTypeFunction %u32\n"
1193
1194                 "%id        = OpVariable %uvec3ptr Input\n"
1195                 "%zero      = OpConstant %u32 0\n"
1196                 "%one       = OpConstant %u32 1\n"
1197                 "%two       = OpConstant %u32 2\n"
1198                 "%three     = OpConstant %u32 3\n"
1199                 "%four      = OpConstant %u32 4\n"
1200                 "%five      = OpConstant %u32 5\n"
1201                 "%hundred   = OpConstant %u32 100\n"
1202                 "%thousand  = OpConstant %u32 1000\n"
1203
1204                 + string(getComputeAsmInputOutputBuffer()) +
1205
1206                 // Main()
1207                 "%main   = OpFunction %void None %voidf\n"
1208                 "%main_entry  = OpLabel\n"
1209                 "%v_thousand  = OpVariable %u32ptr Function %thousand\n"
1210                 "%idval       = OpLoad %uvec3 %id\n"
1211                 "%x           = OpCompositeExtract %u32 %idval 0\n"
1212                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
1213                 "%inval       = OpLoad %f32 %inloc\n"
1214                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
1215                 "%ret_const5  = OpFunctionCall %u32 %func_const5\n"
1216                 "%ret_modulo4 = OpFunctionCall %u32 %func_modulo4 %v_thousand\n"
1217                 "%cmp_gt      = OpUGreaterThan %bool %ret_const5 %ret_modulo4\n"
1218                 "               OpSelectionMerge %if_end None\n"
1219                 "               OpBranchConditional %cmp_gt %if_true %if_false\n"
1220                 "%if_true     = OpLabel\n"
1221                 "%negate      = OpFNegate %f32 %inval\n"
1222                 "               OpStore %outloc %negate\n"
1223                 "               OpBranch %if_end\n"
1224                 "%if_false    = OpLabel\n"
1225                 "               OpUnreachable\n" // Unreachable else branch for if statement
1226                 "%if_end      = OpLabel\n"
1227                 "               OpReturn\n"
1228                 "               OpFunctionEnd\n"
1229
1230                 // not_called_function()
1231                 "%func_not_called_func  = OpFunction %void None %voidf\n"
1232                 "%not_called_func_entry = OpLabel\n"
1233                 "                         OpUnreachable\n" // Unreachable entry block in not called static function
1234                 "                         OpFunctionEnd\n"
1235
1236                 // modulo4()
1237                 "%func_modulo4  = OpFunction %u32 None %uintfuint\n"
1238                 "%valptr        = OpFunctionParameter %u32ptr\n"
1239                 "%modulo4_entry = OpLabel\n"
1240                 "%val           = OpLoad %u32 %valptr\n"
1241                 "%modulo        = OpUMod %u32 %val %four\n"
1242                 "                 OpSelectionMerge %switch_merge None\n"
1243                 "                 OpSwitch %modulo %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
1244                 "%case0         = OpLabel\n"
1245                 "                 OpReturnValue %three\n"
1246                 "%case1         = OpLabel\n"
1247                 "                 OpReturnValue %two\n"
1248                 "%case2         = OpLabel\n"
1249                 "                 OpReturnValue %one\n"
1250                 "%case3         = OpLabel\n"
1251                 "                 OpReturnValue %zero\n"
1252                 "%default       = OpLabel\n"
1253                 "                 OpUnreachable\n" // Unreachable default case for switch statement
1254                 "%switch_merge  = OpLabel\n"
1255                 "                 OpUnreachable\n" // Unreachable merge block for switch statement
1256                 "                 OpFunctionEnd\n"
1257
1258                 // const5()
1259                 "%func_const5  = OpFunction %u32 None %unitf\n"
1260                 "%const5_entry = OpLabel\n"
1261                 "                OpReturnValue %five\n"
1262                 "%unreachable  = OpLabel\n"
1263                 "                OpUnreachable\n" // Unreachable block in function
1264                 "                OpFunctionEnd\n";
1265         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
1266         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
1267         spec.numWorkGroups = IVec3(numElements, 1, 1);
1268
1269         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpUnreachable appearing at different places", spec));
1270
1271         return group.release();
1272 }
1273
1274 // Assembly code used for testing decoration group is based on GLSL source code:
1275 //
1276 // #version 430
1277 //
1278 // layout(std140, set = 0, binding = 0) readonly buffer Input0 {
1279 //   float elements[];
1280 // } input_data0;
1281 // layout(std140, set = 0, binding = 1) readonly buffer Input1 {
1282 //   float elements[];
1283 // } input_data1;
1284 // layout(std140, set = 0, binding = 2) readonly buffer Input2 {
1285 //   float elements[];
1286 // } input_data2;
1287 // layout(std140, set = 0, binding = 3) readonly buffer Input3 {
1288 //   float elements[];
1289 // } input_data3;
1290 // layout(std140, set = 0, binding = 4) readonly buffer Input4 {
1291 //   float elements[];
1292 // } input_data4;
1293 // layout(std140, set = 0, binding = 5) writeonly buffer Output {
1294 //   float elements[];
1295 // } output_data;
1296 //
1297 // void main() {
1298 //   uint x = gl_GlobalInvocationID.x;
1299 //   output_data.elements[x] = input_data0.elements[x] + input_data1.elements[x] + input_data2.elements[x] + input_data3.elements[x] + input_data4.elements[x];
1300 // }
1301 tcu::TestCaseGroup* createDecorationGroupGroup (tcu::TestContext& testCtx)
1302 {
1303         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "decoration_group", "Test the OpDecorationGroup & OpGroupDecorate instruction"));
1304         ComputeShaderSpec                               spec;
1305         de::Random                                              rnd                             (deStringHash(group->getName()));
1306         const int                                               numElements             = 100;
1307         vector<float>                                   inputFloats0    (numElements, 0);
1308         vector<float>                                   inputFloats1    (numElements, 0);
1309         vector<float>                                   inputFloats2    (numElements, 0);
1310         vector<float>                                   inputFloats3    (numElements, 0);
1311         vector<float>                                   inputFloats4    (numElements, 0);
1312         vector<float>                                   outputFloats    (numElements, 0);
1313
1314         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats0[0], numElements);
1315         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats1[0], numElements);
1316         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats2[0], numElements);
1317         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats3[0], numElements);
1318         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats4[0], numElements);
1319
1320         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1321         floorAll(inputFloats0);
1322         floorAll(inputFloats1);
1323         floorAll(inputFloats2);
1324         floorAll(inputFloats3);
1325         floorAll(inputFloats4);
1326
1327         for (size_t ndx = 0; ndx < numElements; ++ndx)
1328                 outputFloats[ndx] = inputFloats0[ndx] + inputFloats1[ndx] + inputFloats2[ndx] + inputFloats3[ndx] + inputFloats4[ndx];
1329
1330         spec.assembly =
1331                 string(getComputeAsmShaderPreamble()) +
1332
1333                 "OpSource GLSL 430\n"
1334                 "OpName %main \"main\"\n"
1335                 "OpName %id \"gl_GlobalInvocationID\"\n"
1336
1337                 // Not using group decoration on variable.
1338                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1339                 // Not using group decoration on type.
1340                 "OpDecorate %f32arr ArrayStride 4\n"
1341
1342                 "OpDecorate %groups BufferBlock\n"
1343                 "OpDecorate %groupm Offset 0\n"
1344                 "%groups = OpDecorationGroup\n"
1345                 "%groupm = OpDecorationGroup\n"
1346
1347                 // Group decoration on multiple structs.
1348                 "OpGroupDecorate %groups %outbuf %inbuf0 %inbuf1 %inbuf2 %inbuf3 %inbuf4\n"
1349                 // Group decoration on multiple struct members.
1350                 "OpGroupMemberDecorate %groupm %outbuf 0 %inbuf0 0 %inbuf1 0 %inbuf2 0 %inbuf3 0 %inbuf4 0\n"
1351
1352                 "OpDecorate %group1 DescriptorSet 0\n"
1353                 "OpDecorate %group3 DescriptorSet 0\n"
1354                 "OpDecorate %group3 NonWritable\n"
1355                 "OpDecorate %group3 Restrict\n"
1356                 "%group0 = OpDecorationGroup\n"
1357                 "%group1 = OpDecorationGroup\n"
1358                 "%group3 = OpDecorationGroup\n"
1359
1360                 // Applying the same decoration group multiple times.
1361                 "OpGroupDecorate %group1 %outdata\n"
1362                 "OpGroupDecorate %group1 %outdata\n"
1363                 "OpGroupDecorate %group1 %outdata\n"
1364                 "OpDecorate %outdata DescriptorSet 0\n"
1365                 "OpDecorate %outdata Binding 5\n"
1366                 // Applying decoration group containing nothing.
1367                 "OpGroupDecorate %group0 %indata0\n"
1368                 "OpDecorate %indata0 DescriptorSet 0\n"
1369                 "OpDecorate %indata0 Binding 0\n"
1370                 // Applying decoration group containing one decoration.
1371                 "OpGroupDecorate %group1 %indata1\n"
1372                 "OpDecorate %indata1 Binding 1\n"
1373                 // Applying decoration group containing multiple decorations.
1374                 "OpGroupDecorate %group3 %indata2 %indata3\n"
1375                 "OpDecorate %indata2 Binding 2\n"
1376                 "OpDecorate %indata3 Binding 3\n"
1377                 // Applying multiple decoration groups (with overlapping).
1378                 "OpGroupDecorate %group0 %indata4\n"
1379                 "OpGroupDecorate %group1 %indata4\n"
1380                 "OpGroupDecorate %group3 %indata4\n"
1381                 "OpDecorate %indata4 Binding 4\n"
1382
1383                 + string(getComputeAsmCommonTypes()) +
1384
1385                 "%id   = OpVariable %uvec3ptr Input\n"
1386                 "%zero = OpConstant %i32 0\n"
1387
1388                 "%outbuf    = OpTypeStruct %f32arr\n"
1389                 "%outbufptr = OpTypePointer Uniform %outbuf\n"
1390                 "%outdata   = OpVariable %outbufptr Uniform\n"
1391                 "%inbuf0    = OpTypeStruct %f32arr\n"
1392                 "%inbuf0ptr = OpTypePointer Uniform %inbuf0\n"
1393                 "%indata0   = OpVariable %inbuf0ptr Uniform\n"
1394                 "%inbuf1    = OpTypeStruct %f32arr\n"
1395                 "%inbuf1ptr = OpTypePointer Uniform %inbuf1\n"
1396                 "%indata1   = OpVariable %inbuf1ptr Uniform\n"
1397                 "%inbuf2    = OpTypeStruct %f32arr\n"
1398                 "%inbuf2ptr = OpTypePointer Uniform %inbuf2\n"
1399                 "%indata2   = OpVariable %inbuf2ptr Uniform\n"
1400                 "%inbuf3    = OpTypeStruct %f32arr\n"
1401                 "%inbuf3ptr = OpTypePointer Uniform %inbuf3\n"
1402                 "%indata3   = OpVariable %inbuf3ptr Uniform\n"
1403                 "%inbuf4    = OpTypeStruct %f32arr\n"
1404                 "%inbufptr  = OpTypePointer Uniform %inbuf4\n"
1405                 "%indata4   = OpVariable %inbufptr Uniform\n"
1406
1407                 "%main   = OpFunction %void None %voidf\n"
1408                 "%label  = OpLabel\n"
1409                 "%idval  = OpLoad %uvec3 %id\n"
1410                 "%x      = OpCompositeExtract %u32 %idval 0\n"
1411                 "%inloc0 = OpAccessChain %f32ptr %indata0 %zero %x\n"
1412                 "%inloc1 = OpAccessChain %f32ptr %indata1 %zero %x\n"
1413                 "%inloc2 = OpAccessChain %f32ptr %indata2 %zero %x\n"
1414                 "%inloc3 = OpAccessChain %f32ptr %indata3 %zero %x\n"
1415                 "%inloc4 = OpAccessChain %f32ptr %indata4 %zero %x\n"
1416                 "%outloc = OpAccessChain %f32ptr %outdata %zero %x\n"
1417                 "%inval0 = OpLoad %f32 %inloc0\n"
1418                 "%inval1 = OpLoad %f32 %inloc1\n"
1419                 "%inval2 = OpLoad %f32 %inloc2\n"
1420                 "%inval3 = OpLoad %f32 %inloc3\n"
1421                 "%inval4 = OpLoad %f32 %inloc4\n"
1422                 "%add0   = OpFAdd %f32 %inval0 %inval1\n"
1423                 "%add1   = OpFAdd %f32 %add0 %inval2\n"
1424                 "%add2   = OpFAdd %f32 %add1 %inval3\n"
1425                 "%add    = OpFAdd %f32 %add2 %inval4\n"
1426                 "          OpStore %outloc %add\n"
1427                 "          OpReturn\n"
1428                 "          OpFunctionEnd\n";
1429         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats0)));
1430         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1431         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1432         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
1433         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
1434         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1435         spec.numWorkGroups = IVec3(numElements, 1, 1);
1436
1437         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "decoration group cases", spec));
1438
1439         return group.release();
1440 }
1441
1442 struct SpecConstantTwoIntCase
1443 {
1444         const char*             caseName;
1445         const char*             scDefinition0;
1446         const char*             scDefinition1;
1447         const char*             scResultType;
1448         const char*             scOperation;
1449         deInt32                 scActualValue0;
1450         deInt32                 scActualValue1;
1451         const char*             resultOperation;
1452         vector<deInt32> expectedOutput;
1453
1454                                         SpecConstantTwoIntCase (const char* name,
1455                                                                                         const char* definition0,
1456                                                                                         const char* definition1,
1457                                                                                         const char* resultType,
1458                                                                                         const char* operation,
1459                                                                                         deInt32 value0,
1460                                                                                         deInt32 value1,
1461                                                                                         const char* resultOp,
1462                                                                                         const vector<deInt32>& output)
1463                                                 : caseName                      (name)
1464                                                 , scDefinition0         (definition0)
1465                                                 , scDefinition1         (definition1)
1466                                                 , scResultType          (resultType)
1467                                                 , scOperation           (operation)
1468                                                 , scActualValue0        (value0)
1469                                                 , scActualValue1        (value1)
1470                                                 , resultOperation       (resultOp)
1471                                                 , expectedOutput        (output) {}
1472 };
1473
1474 tcu::TestCaseGroup* createSpecConstantGroup (tcu::TestContext& testCtx)
1475 {
1476         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
1477         vector<SpecConstantTwoIntCase>  cases;
1478         de::Random                                              rnd                             (deStringHash(group->getName()));
1479         const int                                               numElements             = 100;
1480         vector<deInt32>                                 inputInts               (numElements, 0);
1481         vector<deInt32>                                 outputInts1             (numElements, 0);
1482         vector<deInt32>                                 outputInts2             (numElements, 0);
1483         vector<deInt32>                                 outputInts3             (numElements, 0);
1484         vector<deInt32>                                 outputInts4             (numElements, 0);
1485         const StringTemplate                    shaderTemplate  (
1486                 string(getComputeAsmShaderPreamble()) +
1487
1488                 "OpName %main           \"main\"\n"
1489                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1490
1491                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1492                 "OpDecorate %sc_0  SpecId 0\n"
1493                 "OpDecorate %sc_1  SpecId 1\n"
1494                 "OpDecorate %i32arr ArrayStride 4\n"
1495
1496                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1497
1498                 "%buf     = OpTypeStruct %i32arr\n"
1499                 "%bufptr  = OpTypePointer Uniform %buf\n"
1500                 "%indata    = OpVariable %bufptr Uniform\n"
1501                 "%outdata   = OpVariable %bufptr Uniform\n"
1502
1503                 "%id        = OpVariable %uvec3ptr Input\n"
1504                 "%zero      = OpConstant %i32 0\n"
1505
1506                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
1507                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
1508                 "%sc_final  = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n"
1509
1510                 "%main      = OpFunction %void None %voidf\n"
1511                 "%label     = OpLabel\n"
1512                 "%idval     = OpLoad %uvec3 %id\n"
1513                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1514                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
1515                 "%inval     = OpLoad %i32 %inloc\n"
1516                 "%final     = ${GEN_RESULT}\n"
1517                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1518                 "             OpStore %outloc %final\n"
1519                 "             OpReturn\n"
1520                 "             OpFunctionEnd\n");
1521
1522         fillRandomScalars(rnd, -65536, 65536, &inputInts[0], numElements);
1523
1524         for (size_t ndx = 0; ndx < numElements; ++ndx)
1525         {
1526                 outputInts1[ndx] = inputInts[ndx] + 42;
1527                 outputInts2[ndx] = inputInts[ndx];
1528                 outputInts3[ndx] = inputInts[ndx] - 11200;
1529                 outputInts4[ndx] = inputInts[ndx] + 1;
1530         }
1531
1532         const char addScToInput[]               = "OpIAdd %i32 %inval %sc_final";
1533         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_final %inval %zero";
1534         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_final %zero %inval";
1535
1536         cases.push_back(SpecConstantTwoIntCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                     62,             -20,    addScToInput,           outputInts1));
1537         cases.push_back(SpecConstantTwoIntCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                     100,    58,             addScToInput,           outputInts1));
1538         cases.push_back(SpecConstantTwoIntCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                     -2,             -21,    addScToInput,           outputInts1));
1539         cases.push_back(SpecConstantTwoIntCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                     -126,   -3,             addScToInput,           outputInts1));
1540         cases.push_back(SpecConstantTwoIntCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                     126,    3,              addScToInput,           outputInts1));
1541         cases.push_back(SpecConstantTwoIntCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
1542         cases.push_back(SpecConstantTwoIntCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
1543         cases.push_back(SpecConstantTwoIntCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                     342,    50,             addScToInput,           outputInts1));
1544         cases.push_back(SpecConstantTwoIntCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                     42,             63,             addScToInput,           outputInts1));
1545         cases.push_back(SpecConstantTwoIntCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                     34,             8,              addScToInput,           outputInts1));
1546         cases.push_back(SpecConstantTwoIntCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                     18,             56,             addScToInput,           outputInts1));
1547         cases.push_back(SpecConstantTwoIntCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
1548         cases.push_back(SpecConstantTwoIntCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
1549         cases.push_back(SpecConstantTwoIntCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                     21,             1,              addScToInput,           outputInts1));
1550         cases.push_back(SpecConstantTwoIntCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                     -20,    -10,    selectTrueUsingSc,      outputInts2));
1551         cases.push_back(SpecConstantTwoIntCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                     10,             20,             selectTrueUsingSc,      outputInts2));
1552         cases.push_back(SpecConstantTwoIntCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
1553         cases.push_back(SpecConstantTwoIntCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                     10,             5,              selectTrueUsingSc,      outputInts2));
1554         cases.push_back(SpecConstantTwoIntCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                     -10,    -10,    selectTrueUsingSc,      outputInts2));
1555         cases.push_back(SpecConstantTwoIntCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                     50,             100,    selectTrueUsingSc,      outputInts2));
1556         cases.push_back(SpecConstantTwoIntCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
1557         cases.push_back(SpecConstantTwoIntCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                     10,             10,             selectTrueUsingSc,      outputInts2));
1558         cases.push_back(SpecConstantTwoIntCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                     42,             24,             selectFalseUsingSc,     outputInts2));
1559         cases.push_back(SpecConstantTwoIntCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
1560         cases.push_back(SpecConstantTwoIntCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
1561         cases.push_back(SpecConstantTwoIntCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
1562         cases.push_back(SpecConstantTwoIntCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
1563         cases.push_back(SpecConstantTwoIntCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                           -42,    0,              addScToInput,           outputInts1));
1564         cases.push_back(SpecConstantTwoIntCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                           -43,    0,              addScToInput,           outputInts1));
1565         cases.push_back(SpecConstantTwoIntCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                           1,              0,              selectFalseUsingSc,     outputInts2));
1566         cases.push_back(SpecConstantTwoIntCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %zero",       1,              42,             addScToInput,           outputInts1));
1567         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
1568
1569         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
1570         {
1571                 map<string, string>             specializations;
1572                 ComputeShaderSpec               spec;
1573
1574                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
1575                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
1576                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
1577                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
1578                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
1579
1580                 spec.assembly = shaderTemplate.specialize(specializations);
1581                 spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
1582                 spec.outputs.push_back(BufferSp(new Int32Buffer(cases[caseNdx].expectedOutput)));
1583                 spec.numWorkGroups = IVec3(numElements, 1, 1);
1584                 spec.specConstants.push_back(cases[caseNdx].scActualValue0);
1585                 spec.specConstants.push_back(cases[caseNdx].scActualValue1);
1586
1587                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].caseName, cases[caseNdx].caseName, spec));
1588         }
1589
1590         ComputeShaderSpec                               spec;
1591
1592         spec.assembly =
1593                 string(getComputeAsmShaderPreamble()) +
1594
1595                 "OpName %main           \"main\"\n"
1596                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1597
1598                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1599                 "OpDecorate %sc_0  SpecId 0\n"
1600                 "OpDecorate %sc_1  SpecId 1\n"
1601                 "OpDecorate %sc_2  SpecId 2\n"
1602                 "OpDecorate %i32arr ArrayStride 4\n"
1603
1604                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1605
1606                 "%ivec3     = OpTypeVector %i32 3\n"
1607                 "%buf     = OpTypeStruct %i32arr\n"
1608                 "%bufptr  = OpTypePointer Uniform %buf\n"
1609                 "%indata    = OpVariable %bufptr Uniform\n"
1610                 "%outdata   = OpVariable %bufptr Uniform\n"
1611
1612                 "%id        = OpVariable %uvec3ptr Input\n"
1613                 "%zero      = OpConstant %i32 0\n"
1614                 "%ivec3_0   = OpConstantComposite %ivec3 %zero %zero %zero\n"
1615
1616                 "%sc_0        = OpSpecConstant %i32 0\n"
1617                 "%sc_1        = OpSpecConstant %i32 0\n"
1618                 "%sc_2        = OpSpecConstant %i32 0\n"
1619                 "%sc_vec3_0   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_0        %ivec3_0   0\n"     // (sc_0, 0, 0)
1620                 "%sc_vec3_1   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_1        %ivec3_0   1\n"     // (0, sc_1, 0)
1621                 "%sc_vec3_2   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_2        %ivec3_0   2\n"     // (0, 0, sc_2)
1622                 "%sc_vec3_01  = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0   %sc_vec3_1 1 0 4\n" // (0,    sc_0, sc_1)
1623                 "%sc_vec3_012 = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_01  %sc_vec3_2 5 1 2\n" // (sc_2, sc_0, sc_1)
1624                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            0\n"     // sc_2
1625                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            1\n"     // sc_0
1626                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            2\n"     // sc_1
1627                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"        // (sc_2 - sc_0)
1628                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n"        // (sc_2 - sc_0) * sc_1
1629
1630                 "%main      = OpFunction %void None %voidf\n"
1631                 "%label     = OpLabel\n"
1632                 "%idval     = OpLoad %uvec3 %id\n"
1633                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1634                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
1635                 "%inval     = OpLoad %i32 %inloc\n"
1636                 "%final     = OpIAdd %i32 %inval %sc_final\n"
1637                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1638                 "             OpStore %outloc %final\n"
1639                 "             OpReturn\n"
1640                 "             OpFunctionEnd\n";
1641         spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
1642         spec.outputs.push_back(BufferSp(new Int32Buffer(outputInts3)));
1643         spec.numWorkGroups = IVec3(numElements, 1, 1);
1644         spec.specConstants.push_back(123);
1645         spec.specConstants.push_back(56);
1646         spec.specConstants.push_back(-77);
1647
1648         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector_related", "VectorShuffle, CompositeExtract, & CompositeInsert", spec));
1649
1650         return group.release();
1651 }
1652
1653 tcu::TestCaseGroup* createOpPhiGroup (tcu::TestContext& testCtx)
1654 {
1655         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
1656         ComputeShaderSpec                               spec1;
1657         ComputeShaderSpec                               spec2;
1658         ComputeShaderSpec                               spec3;
1659         de::Random                                              rnd                             (deStringHash(group->getName()));
1660         const int                                               numElements             = 100;
1661         vector<float>                                   inputFloats             (numElements, 0);
1662         vector<float>                                   outputFloats1   (numElements, 0);
1663         vector<float>                                   outputFloats2   (numElements, 0);
1664         vector<float>                                   outputFloats3   (numElements, 0);
1665
1666         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats[0], numElements);
1667
1668         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1669         floorAll(inputFloats);
1670
1671         for (size_t ndx = 0; ndx < numElements; ++ndx)
1672         {
1673                 switch (ndx % 3)
1674                 {
1675                         case 0:         outputFloats1[ndx] = inputFloats[ndx] + 5.5f;   break;
1676                         case 1:         outputFloats1[ndx] = inputFloats[ndx] + 20.5f;  break;
1677                         case 2:         outputFloats1[ndx] = inputFloats[ndx] + 1.75f;  break;
1678                         default:        break;
1679                 }
1680                 outputFloats2[ndx] = inputFloats[ndx] + 6.5f * 3;
1681                 outputFloats3[ndx] = 8.5f - inputFloats[ndx];
1682         }
1683
1684         spec1.assembly =
1685                 string(getComputeAsmShaderPreamble()) +
1686
1687                 "OpSource GLSL 430\n"
1688                 "OpName %main \"main\"\n"
1689                 "OpName %id \"gl_GlobalInvocationID\"\n"
1690
1691                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1692
1693                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
1694
1695                 "%id = OpVariable %uvec3ptr Input\n"
1696                 "%zero       = OpConstant %i32 0\n"
1697                 "%three      = OpConstant %u32 3\n"
1698                 "%constf5p5  = OpConstant %f32 5.5\n"
1699                 "%constf20p5 = OpConstant %f32 20.5\n"
1700                 "%constf1p75 = OpConstant %f32 1.75\n"
1701                 "%constf8p5  = OpConstant %f32 8.5\n"
1702                 "%constf6p5  = OpConstant %f32 6.5\n"
1703
1704                 "%main     = OpFunction %void None %voidf\n"
1705                 "%entry    = OpLabel\n"
1706                 "%idval    = OpLoad %uvec3 %id\n"
1707                 "%x        = OpCompositeExtract %u32 %idval 0\n"
1708                 "%selector = OpUMod %u32 %x %three\n"
1709                 "            OpSelectionMerge %phi None\n"
1710                 "            OpSwitch %selector %default 0 %case0 1 %case1 2 %case2\n"
1711
1712                 // Case 1 before OpPhi.
1713                 "%case1    = OpLabel\n"
1714                 "            OpBranch %phi\n"
1715
1716                 "%default  = OpLabel\n"
1717                 "            OpUnreachable\n"
1718
1719                 "%phi      = OpLabel\n"
1720                 "%operand  = OpPhi %f32   %constf1p75 %case2   %constf20p5 %case1   %constf5p5 %case0\n" // not in the order of blocks
1721                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
1722                 "%inval    = OpLoad %f32 %inloc\n"
1723                 "%add      = OpFAdd %f32 %inval %operand\n"
1724                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
1725                 "            OpStore %outloc %add\n"
1726                 "            OpReturn\n"
1727
1728                 // Case 0 after OpPhi.
1729                 "%case0    = OpLabel\n"
1730                 "            OpBranch %phi\n"
1731
1732
1733                 // Case 2 after OpPhi.
1734                 "%case2    = OpLabel\n"
1735                 "            OpBranch %phi\n"
1736
1737                 "            OpFunctionEnd\n";
1738         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1739         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
1740         spec1.numWorkGroups = IVec3(numElements, 1, 1);
1741
1742         group->addChild(new SpvAsmComputeShaderCase(testCtx, "block", "out-of-order and unreachable blocks for OpPhi", spec1));
1743
1744         spec2.assembly =
1745                 string(getComputeAsmShaderPreamble()) +
1746
1747                 "OpName %main \"main\"\n"
1748                 "OpName %id \"gl_GlobalInvocationID\"\n"
1749
1750                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1751
1752                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
1753
1754                 "%id         = OpVariable %uvec3ptr Input\n"
1755                 "%zero       = OpConstant %i32 0\n"
1756                 "%one        = OpConstant %i32 1\n"
1757                 "%three      = OpConstant %i32 3\n"
1758                 "%constf6p5  = OpConstant %f32 6.5\n"
1759
1760                 "%main       = OpFunction %void None %voidf\n"
1761                 "%entry      = OpLabel\n"
1762                 "%idval      = OpLoad %uvec3 %id\n"
1763                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1764                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
1765                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
1766                 "%inval      = OpLoad %f32 %inloc\n"
1767                 "              OpBranch %phi\n"
1768
1769                 "%phi        = OpLabel\n"
1770                 "%step       = OpPhi %i32 %zero  %entry %step_next  %phi\n"
1771                 "%accum      = OpPhi %f32 %inval %entry %accum_next %phi\n"
1772                 "%step_next  = OpIAdd %i32 %step %one\n"
1773                 "%accum_next = OpFAdd %f32 %accum %constf6p5\n"
1774                 "%still_loop = OpSLessThan %bool %step %three\n"
1775                 "              OpLoopMerge %exit %phi None\n"
1776                 "              OpBranchConditional %still_loop %phi %exit\n"
1777
1778                 "%exit       = OpLabel\n"
1779                 "              OpStore %outloc %accum\n"
1780                 "              OpReturn\n"
1781                 "              OpFunctionEnd\n";
1782         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1783         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
1784         spec2.numWorkGroups = IVec3(numElements, 1, 1);
1785
1786         group->addChild(new SpvAsmComputeShaderCase(testCtx, "induction", "The usual way induction variables are handled in LLVM IR", spec2));
1787
1788         spec3.assembly =
1789                 string(getComputeAsmShaderPreamble()) +
1790
1791                 "OpName %main \"main\"\n"
1792                 "OpName %id \"gl_GlobalInvocationID\"\n"
1793
1794                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1795
1796                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
1797
1798                 "%f32ptr_f   = OpTypePointer Function %f32\n"
1799                 "%id         = OpVariable %uvec3ptr Input\n"
1800                 "%true       = OpConstantTrue %bool\n"
1801                 "%false      = OpConstantFalse %bool\n"
1802                 "%zero       = OpConstant %i32 0\n"
1803                 "%constf8p5  = OpConstant %f32 8.5\n"
1804
1805                 "%main       = OpFunction %void None %voidf\n"
1806                 "%entry      = OpLabel\n"
1807                 "%b          = OpVariable %f32ptr_f Function %constf8p5\n"
1808                 "%idval      = OpLoad %uvec3 %id\n"
1809                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1810                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
1811                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
1812                 "%a_init     = OpLoad %f32 %inloc\n"
1813                 "%b_init     = OpLoad %f32 %b\n"
1814                 "              OpBranch %phi\n"
1815
1816                 "%phi        = OpLabel\n"
1817                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
1818                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
1819                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
1820                 "              OpLoopMerge %exit %phi None\n"
1821                 "              OpBranchConditional %still_loop %phi %exit\n"
1822
1823                 "%exit       = OpLabel\n"
1824                 "%sub        = OpFSub %f32 %a_next %b_next\n"
1825                 "              OpStore %outloc %sub\n"
1826                 "              OpReturn\n"
1827                 "              OpFunctionEnd\n";
1828         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1829         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
1830         spec3.numWorkGroups = IVec3(numElements, 1, 1);
1831
1832         group->addChild(new SpvAsmComputeShaderCase(testCtx, "swap", "Swap the values of two variables using OpPhi", spec3));
1833
1834         return group.release();
1835 }
1836
1837 // Assembly code used for testing block order is based on GLSL source code:
1838 //
1839 // #version 430
1840 //
1841 // layout(std140, set = 0, binding = 0) readonly buffer Input {
1842 //   float elements[];
1843 // } input_data;
1844 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
1845 //   float elements[];
1846 // } output_data;
1847 //
1848 // void main() {
1849 //   uint x = gl_GlobalInvocationID.x;
1850 //   output_data.elements[x] = input_data.elements[x];
1851 //   if (x > uint(50)) {
1852 //     switch (x % uint(3)) {
1853 //       case 0: output_data.elements[x] += 1.5f; break;
1854 //       case 1: output_data.elements[x] += 42.f; break;
1855 //       case 2: output_data.elements[x] -= 27.f; break;
1856 //       default: break;
1857 //     }
1858 //   } else {
1859 //     output_data.elements[x] = -input_data.elements[x];
1860 //   }
1861 // }
1862 tcu::TestCaseGroup* createBlockOrderGroup (tcu::TestContext& testCtx)
1863 {
1864         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "block_order", "Test block orders"));
1865         ComputeShaderSpec                               spec;
1866         de::Random                                              rnd                             (deStringHash(group->getName()));
1867         const int                                               numElements             = 100;
1868         vector<float>                                   inputFloats             (numElements, 0);
1869         vector<float>                                   outputFloats    (numElements, 0);
1870
1871         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
1872
1873         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1874         floorAll(inputFloats);
1875
1876         for (size_t ndx = 0; ndx <= 50; ++ndx)
1877                 outputFloats[ndx] = -inputFloats[ndx];
1878
1879         for (size_t ndx = 51; ndx < numElements; ++ndx)
1880         {
1881                 switch (ndx % 3)
1882                 {
1883                         case 0:         outputFloats[ndx] = inputFloats[ndx] + 1.5f; break;
1884                         case 1:         outputFloats[ndx] = inputFloats[ndx] + 42.f; break;
1885                         case 2:         outputFloats[ndx] = inputFloats[ndx] - 27.f; break;
1886                         default:        break;
1887                 }
1888         }
1889
1890         spec.assembly =
1891                 string(getComputeAsmShaderPreamble()) +
1892
1893                 "OpSource GLSL 430\n"
1894                 "OpName %main \"main\"\n"
1895                 "OpName %id \"gl_GlobalInvocationID\"\n"
1896
1897                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1898
1899                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
1900
1901                 "%u32ptr       = OpTypePointer Function %u32\n"
1902                 "%u32ptr_input = OpTypePointer Input %u32\n"
1903
1904                 + string(getComputeAsmInputOutputBuffer()) +
1905
1906                 "%id        = OpVariable %uvec3ptr Input\n"
1907                 "%zero      = OpConstant %i32 0\n"
1908                 "%const3    = OpConstant %u32 3\n"
1909                 "%const50   = OpConstant %u32 50\n"
1910                 "%constf1p5 = OpConstant %f32 1.5\n"
1911                 "%constf27  = OpConstant %f32 27.0\n"
1912                 "%constf42  = OpConstant %f32 42.0\n"
1913
1914                 "%main = OpFunction %void None %voidf\n"
1915
1916                 // entry block.
1917                 "%entry    = OpLabel\n"
1918
1919                 // Create a temporary variable to hold the value of gl_GlobalInvocationID.x.
1920                 "%xvar     = OpVariable %u32ptr Function\n"
1921                 "%xptr     = OpAccessChain %u32ptr_input %id %zero\n"
1922                 "%x        = OpLoad %u32 %xptr\n"
1923                 "            OpStore %xvar %x\n"
1924
1925                 "%cmp      = OpUGreaterThan %bool %x %const50\n"
1926                 "            OpSelectionMerge %if_merge None\n"
1927                 "            OpBranchConditional %cmp %if_true %if_false\n"
1928
1929                 // False branch for if-statement: placed in the middle of switch cases and before true branch.
1930                 "%if_false = OpLabel\n"
1931                 "%x_f      = OpLoad %u32 %xvar\n"
1932                 "%inloc_f  = OpAccessChain %f32ptr %indata %zero %x_f\n"
1933                 "%inval_f  = OpLoad %f32 %inloc_f\n"
1934                 "%negate   = OpFNegate %f32 %inval_f\n"
1935                 "%outloc_f = OpAccessChain %f32ptr %outdata %zero %x_f\n"
1936                 "            OpStore %outloc_f %negate\n"
1937                 "            OpBranch %if_merge\n"
1938
1939                 // Merge block for if-statement: placed in the middle of true and false branch.
1940                 "%if_merge = OpLabel\n"
1941                 "            OpReturn\n"
1942
1943                 // True branch for if-statement: placed in the middle of swtich cases and after the false branch.
1944                 "%if_true  = OpLabel\n"
1945                 "%xval_t   = OpLoad %u32 %xvar\n"
1946                 "%mod      = OpUMod %u32 %xval_t %const3\n"
1947                 "            OpSelectionMerge %switch_merge None\n"
1948                 "            OpSwitch %mod %default 0 %case0 1 %case1 2 %case2\n"
1949
1950                 // Merge block for switch-statement: placed before the case
1951                 // bodies.  But it must follow OpSwitch which dominates it.
1952                 "%switch_merge = OpLabel\n"
1953                 "                OpBranch %if_merge\n"
1954
1955                 // Case 1 for switch-statement: placed before case 0.
1956                 // It must follow the OpSwitch that dominates it.
1957                 "%case1    = OpLabel\n"
1958                 "%x_1      = OpLoad %u32 %xvar\n"
1959                 "%inloc_1  = OpAccessChain %f32ptr %indata %zero %x_1\n"
1960                 "%inval_1  = OpLoad %f32 %inloc_1\n"
1961                 "%addf42   = OpFAdd %f32 %inval_1 %constf42\n"
1962                 "%outloc_1 = OpAccessChain %f32ptr %outdata %zero %x_1\n"
1963                 "            OpStore %outloc_1 %addf42\n"
1964                 "            OpBranch %switch_merge\n"
1965
1966                 // Case 2 for switch-statement.
1967                 "%case2    = OpLabel\n"
1968                 "%x_2      = OpLoad %u32 %xvar\n"
1969                 "%inloc_2  = OpAccessChain %f32ptr %indata %zero %x_2\n"
1970                 "%inval_2  = OpLoad %f32 %inloc_2\n"
1971                 "%subf27   = OpFSub %f32 %inval_2 %constf27\n"
1972                 "%outloc_2 = OpAccessChain %f32ptr %outdata %zero %x_2\n"
1973                 "            OpStore %outloc_2 %subf27\n"
1974                 "            OpBranch %switch_merge\n"
1975
1976                 // Default case for switch-statement: placed in the middle of normal cases.
1977                 "%default = OpLabel\n"
1978                 "           OpBranch %switch_merge\n"
1979
1980                 // Case 0 for switch-statement: out of order.
1981                 "%case0    = OpLabel\n"
1982                 "%x_0      = OpLoad %u32 %xvar\n"
1983                 "%inloc_0  = OpAccessChain %f32ptr %indata %zero %x_0\n"
1984                 "%inval_0  = OpLoad %f32 %inloc_0\n"
1985                 "%addf1p5  = OpFAdd %f32 %inval_0 %constf1p5\n"
1986                 "%outloc_0 = OpAccessChain %f32ptr %outdata %zero %x_0\n"
1987                 "            OpStore %outloc_0 %addf1p5\n"
1988                 "            OpBranch %switch_merge\n"
1989
1990                 "            OpFunctionEnd\n";
1991         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1992         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1993         spec.numWorkGroups = IVec3(numElements, 1, 1);
1994
1995         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "various out-of-order blocks", spec));
1996
1997         return group.release();
1998 }
1999
2000 tcu::TestCaseGroup* createMultipleShaderGroup (tcu::TestContext& testCtx)
2001 {
2002         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "multiple_shaders", "Test multiple shaders in the same module"));
2003         ComputeShaderSpec                               spec1;
2004         ComputeShaderSpec                               spec2;
2005         de::Random                                              rnd                             (deStringHash(group->getName()));
2006         const int                                               numElements             = 100;
2007         vector<float>                                   inputFloats             (numElements, 0);
2008         vector<float>                                   outputFloats1   (numElements, 0);
2009         vector<float>                                   outputFloats2   (numElements, 0);
2010         fillRandomScalars(rnd, -500.f, 500.f, &inputFloats[0], numElements);
2011
2012         for (size_t ndx = 0; ndx < numElements; ++ndx)
2013         {
2014                 outputFloats1[ndx] = inputFloats[ndx] + inputFloats[ndx];
2015                 outputFloats2[ndx] = -inputFloats[ndx];
2016         }
2017
2018         const string assembly(
2019                 "OpCapability Shader\n"
2020                 "OpCapability ClipDistance\n"
2021                 "OpMemoryModel Logical GLSL450\n"
2022                 "OpEntryPoint GLCompute %comp_main1 \"entrypoint1\" %id\n"
2023                 "OpEntryPoint GLCompute %comp_main2 \"entrypoint2\" %id\n"
2024                 // A module cannot have two OpEntryPoint instructions with the same Execution Model and the same Name string.
2025                 "OpEntryPoint Vertex    %vert_main  \"entrypoint2\" %vert_builtins %vertexIndex %instanceIndex\n"
2026                 "OpExecutionMode %comp_main1 LocalSize 1 1 1\n"
2027                 "OpExecutionMode %comp_main2 LocalSize 1 1 1\n"
2028
2029                 "OpName %comp_main1              \"entrypoint1\"\n"
2030                 "OpName %comp_main2              \"entrypoint2\"\n"
2031                 "OpName %vert_main               \"entrypoint2\"\n"
2032                 "OpName %id                      \"gl_GlobalInvocationID\"\n"
2033                 "OpName %vert_builtin_st         \"gl_PerVertex\"\n"
2034                 "OpName %vertexIndex             \"gl_VertexIndex\"\n"
2035                 "OpName %instanceIndex           \"gl_InstanceIndex\"\n"
2036                 "OpMemberName %vert_builtin_st 0 \"gl_Position\"\n"
2037                 "OpMemberName %vert_builtin_st 1 \"gl_PointSize\"\n"
2038                 "OpMemberName %vert_builtin_st 2 \"gl_ClipDistance\"\n"
2039
2040                 "OpDecorate %id                      BuiltIn GlobalInvocationId\n"
2041                 "OpDecorate %vertexIndex             BuiltIn VertexIndex\n"
2042                 "OpDecorate %instanceIndex           BuiltIn InstanceIndex\n"
2043                 "OpDecorate %vert_builtin_st         Block\n"
2044                 "OpMemberDecorate %vert_builtin_st 0 BuiltIn Position\n"
2045                 "OpMemberDecorate %vert_builtin_st 1 BuiltIn PointSize\n"
2046                 "OpMemberDecorate %vert_builtin_st 2 BuiltIn ClipDistance\n"
2047
2048                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2049
2050                 "%zero       = OpConstant %i32 0\n"
2051                 "%one        = OpConstant %u32 1\n"
2052                 "%c_f32_1    = OpConstant %f32 1\n"
2053
2054                 "%i32inputptr         = OpTypePointer Input %i32\n"
2055                 "%vec4                = OpTypeVector %f32 4\n"
2056                 "%vec4ptr             = OpTypePointer Output %vec4\n"
2057                 "%f32arr1             = OpTypeArray %f32 %one\n"
2058                 "%vert_builtin_st     = OpTypeStruct %vec4 %f32 %f32arr1\n"
2059                 "%vert_builtin_st_ptr = OpTypePointer Output %vert_builtin_st\n"
2060                 "%vert_builtins       = OpVariable %vert_builtin_st_ptr Output\n"
2061
2062                 "%id         = OpVariable %uvec3ptr Input\n"
2063                 "%vertexIndex = OpVariable %i32inputptr Input\n"
2064                 "%instanceIndex = OpVariable %i32inputptr Input\n"
2065                 "%c_vec4_1   = OpConstantComposite %vec4 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
2066
2067                 // gl_Position = vec4(1.);
2068                 "%vert_main  = OpFunction %void None %voidf\n"
2069                 "%vert_entry = OpLabel\n"
2070                 "%position   = OpAccessChain %vec4ptr %vert_builtins %zero\n"
2071                 "              OpStore %position %c_vec4_1\n"
2072                 "              OpReturn\n"
2073                 "              OpFunctionEnd\n"
2074
2075                 // Double inputs.
2076                 "%comp_main1  = OpFunction %void None %voidf\n"
2077                 "%comp1_entry = OpLabel\n"
2078                 "%idval1      = OpLoad %uvec3 %id\n"
2079                 "%x1          = OpCompositeExtract %u32 %idval1 0\n"
2080                 "%inloc1      = OpAccessChain %f32ptr %indata %zero %x1\n"
2081                 "%inval1      = OpLoad %f32 %inloc1\n"
2082                 "%add         = OpFAdd %f32 %inval1 %inval1\n"
2083                 "%outloc1     = OpAccessChain %f32ptr %outdata %zero %x1\n"
2084                 "               OpStore %outloc1 %add\n"
2085                 "               OpReturn\n"
2086                 "               OpFunctionEnd\n"
2087
2088                 // Negate inputs.
2089                 "%comp_main2  = OpFunction %void None %voidf\n"
2090                 "%comp2_entry = OpLabel\n"
2091                 "%idval2      = OpLoad %uvec3 %id\n"
2092                 "%x2          = OpCompositeExtract %u32 %idval2 0\n"
2093                 "%inloc2      = OpAccessChain %f32ptr %indata %zero %x2\n"
2094                 "%inval2      = OpLoad %f32 %inloc2\n"
2095                 "%neg         = OpFNegate %f32 %inval2\n"
2096                 "%outloc2     = OpAccessChain %f32ptr %outdata %zero %x2\n"
2097                 "               OpStore %outloc2 %neg\n"
2098                 "               OpReturn\n"
2099                 "               OpFunctionEnd\n");
2100
2101         spec1.assembly = assembly;
2102         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2103         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
2104         spec1.numWorkGroups = IVec3(numElements, 1, 1);
2105         spec1.entryPoint = "entrypoint1";
2106
2107         spec2.assembly = assembly;
2108         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2109         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
2110         spec2.numWorkGroups = IVec3(numElements, 1, 1);
2111         spec2.entryPoint = "entrypoint2";
2112
2113         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader1", "multiple shaders in the same module", spec1));
2114         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader2", "multiple shaders in the same module", spec2));
2115
2116         return group.release();
2117 }
2118
2119 inline std::string makeLongUTF8String (size_t num4ByteChars)
2120 {
2121         // An example of a longest valid UTF-8 character.  Be explicit about the
2122         // character type because Microsoft compilers can otherwise interpret the
2123         // character string as being over wide (16-bit) characters. Ideally, we
2124         // would just use a C++11 UTF-8 string literal, but we want to support older
2125         // Microsoft compilers.
2126         const std::basic_string<char> earthAfrica("\xF0\x9F\x8C\x8D");
2127         std::string longString;
2128         longString.reserve(num4ByteChars * 4);
2129         for (size_t count = 0; count < num4ByteChars; count++)
2130         {
2131                 longString += earthAfrica;
2132         }
2133         return longString;
2134 }
2135
2136 tcu::TestCaseGroup* createOpSourceGroup (tcu::TestContext& testCtx)
2137 {
2138         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsource", "Tests the OpSource & OpSourceContinued instruction"));
2139         vector<CaseParameter>                   cases;
2140         de::Random                                              rnd                             (deStringHash(group->getName()));
2141         const int                                               numElements             = 100;
2142         vector<float>                                   positiveFloats  (numElements, 0);
2143         vector<float>                                   negativeFloats  (numElements, 0);
2144         const StringTemplate                    shaderTemplate  (
2145                 "OpCapability Shader\n"
2146                 "OpMemoryModel Logical GLSL450\n"
2147
2148                 "OpEntryPoint GLCompute %main \"main\" %id\n"
2149                 "OpExecutionMode %main LocalSize 1 1 1\n"
2150
2151                 "${SOURCE}\n"
2152
2153                 "OpName %main           \"main\"\n"
2154                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2155
2156                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2157
2158                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2159
2160                 "%id        = OpVariable %uvec3ptr Input\n"
2161                 "%zero      = OpConstant %i32 0\n"
2162
2163                 "%main      = OpFunction %void None %voidf\n"
2164                 "%label     = OpLabel\n"
2165                 "%idval     = OpLoad %uvec3 %id\n"
2166                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2167                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2168                 "%inval     = OpLoad %f32 %inloc\n"
2169                 "%neg       = OpFNegate %f32 %inval\n"
2170                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2171                 "             OpStore %outloc %neg\n"
2172                 "             OpReturn\n"
2173                 "             OpFunctionEnd\n");
2174
2175         cases.push_back(CaseParameter("unknown_source",                                                 "OpSource Unknown 0"));
2176         cases.push_back(CaseParameter("wrong_source",                                                   "OpSource OpenCL_C 210"));
2177         cases.push_back(CaseParameter("normal_filename",                                                "%fname = OpString \"filename\"\n"
2178                                                                                                                                                         "OpSource GLSL 430 %fname"));
2179         cases.push_back(CaseParameter("empty_filename",                                                 "%fname = OpString \"\"\n"
2180                                                                                                                                                         "OpSource GLSL 430 %fname"));
2181         cases.push_back(CaseParameter("normal_source_code",                                             "%fname = OpString \"filename\"\n"
2182                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\""));
2183         cases.push_back(CaseParameter("empty_source_code",                                              "%fname = OpString \"filename\"\n"
2184                                                                                                                                                         "OpSource GLSL 430 %fname \"\""));
2185         cases.push_back(CaseParameter("long_source_code",                                               "%fname = OpString \"filename\"\n"
2186                                                                                                                                                         "OpSource GLSL 430 %fname \"" + makeLongUTF8String(65530) + "ccc\"")); // word count: 65535
2187         cases.push_back(CaseParameter("utf8_source_code",                                               "%fname = OpString \"filename\"\n"
2188                                                                                                                                                         "OpSource GLSL 430 %fname \"\xE2\x98\x82\xE2\x98\x85\"")); // umbrella & black star symbol
2189         cases.push_back(CaseParameter("normal_sourcecontinued",                                 "%fname = OpString \"filename\"\n"
2190                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvo\"\n"
2191                                                                                                                                                         "OpSourceContinued \"id main() {}\""));
2192         cases.push_back(CaseParameter("empty_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
2193                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2194                                                                                                                                                         "OpSourceContinued \"\""));
2195         cases.push_back(CaseParameter("long_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
2196                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2197                                                                                                                                                         "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\"")); // word count: 65535
2198         cases.push_back(CaseParameter("utf8_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
2199                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2200                                                                                                                                                         "OpSourceContinued \"\xE2\x98\x8E\xE2\x9A\x91\"")); // white telephone & black flag symbol
2201         cases.push_back(CaseParameter("multi_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
2202                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\n\"\n"
2203                                                                                                                                                         "OpSourceContinued \"void\"\n"
2204                                                                                                                                                         "OpSourceContinued \"main()\"\n"
2205                                                                                                                                                         "OpSourceContinued \"{}\""));
2206         cases.push_back(CaseParameter("empty_source_before_sourcecontinued",    "%fname = OpString \"filename\"\n"
2207                                                                                                                                                         "OpSource GLSL 430 %fname \"\"\n"
2208                                                                                                                                                         "OpSourceContinued \"#version 430\nvoid main() {}\""));
2209
2210         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2211
2212         for (size_t ndx = 0; ndx < numElements; ++ndx)
2213                 negativeFloats[ndx] = -positiveFloats[ndx];
2214
2215         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2216         {
2217                 map<string, string>             specializations;
2218                 ComputeShaderSpec               spec;
2219
2220                 specializations["SOURCE"] = cases[caseNdx].param;
2221                 spec.assembly = shaderTemplate.specialize(specializations);
2222                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2223                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2224                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2225
2226                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2227         }
2228
2229         return group.release();
2230 }
2231
2232 tcu::TestCaseGroup* createOpSourceExtensionGroup (tcu::TestContext& testCtx)
2233 {
2234         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsourceextension", "Tests the OpSource instruction"));
2235         vector<CaseParameter>                   cases;
2236         de::Random                                              rnd                             (deStringHash(group->getName()));
2237         const int                                               numElements             = 100;
2238         vector<float>                                   inputFloats             (numElements, 0);
2239         vector<float>                                   outputFloats    (numElements, 0);
2240         const StringTemplate                    shaderTemplate  (
2241                 string(getComputeAsmShaderPreamble()) +
2242
2243                 "OpSourceExtension \"${EXTENSION}\"\n"
2244
2245                 "OpName %main           \"main\"\n"
2246                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2247
2248                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2249
2250                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2251
2252                 "%id        = OpVariable %uvec3ptr Input\n"
2253                 "%zero      = OpConstant %i32 0\n"
2254
2255                 "%main      = OpFunction %void None %voidf\n"
2256                 "%label     = OpLabel\n"
2257                 "%idval     = OpLoad %uvec3 %id\n"
2258                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2259                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2260                 "%inval     = OpLoad %f32 %inloc\n"
2261                 "%neg       = OpFNegate %f32 %inval\n"
2262                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2263                 "             OpStore %outloc %neg\n"
2264                 "             OpReturn\n"
2265                 "             OpFunctionEnd\n");
2266
2267         cases.push_back(CaseParameter("empty_extension",        ""));
2268         cases.push_back(CaseParameter("real_extension",         "GL_ARB_texture_rectangle"));
2269         cases.push_back(CaseParameter("fake_extension",         "GL_ARB_im_the_ultimate_extension"));
2270         cases.push_back(CaseParameter("utf8_extension",         "GL_ARB_\xE2\x98\x82\xE2\x98\x85"));
2271         cases.push_back(CaseParameter("long_extension",         makeLongUTF8String(65533) + "ccc")); // word count: 65535
2272
2273         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
2274
2275         for (size_t ndx = 0; ndx < numElements; ++ndx)
2276                 outputFloats[ndx] = -inputFloats[ndx];
2277
2278         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2279         {
2280                 map<string, string>             specializations;
2281                 ComputeShaderSpec               spec;
2282
2283                 specializations["EXTENSION"] = cases[caseNdx].param;
2284                 spec.assembly = shaderTemplate.specialize(specializations);
2285                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2286                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2287                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2288
2289                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2290         }
2291
2292         return group.release();
2293 }
2294
2295 // Checks that a compute shader can generate a constant null value of various types, without exercising a computation on it.
2296 tcu::TestCaseGroup* createOpConstantNullGroup (tcu::TestContext& testCtx)
2297 {
2298         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnull", "Tests the OpConstantNull instruction"));
2299         vector<CaseParameter>                   cases;
2300         de::Random                                              rnd                             (deStringHash(group->getName()));
2301         const int                                               numElements             = 100;
2302         vector<float>                                   positiveFloats  (numElements, 0);
2303         vector<float>                                   negativeFloats  (numElements, 0);
2304         const StringTemplate                    shaderTemplate  (
2305                 string(getComputeAsmShaderPreamble()) +
2306
2307                 "OpSource GLSL 430\n"
2308                 "OpName %main           \"main\"\n"
2309                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2310
2311                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2312
2313                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2314
2315                 "${TYPE}\n"
2316                 "%null      = OpConstantNull ${TYPE}\n"
2317
2318                 "%id        = OpVariable %uvec3ptr Input\n"
2319                 "%zero      = OpConstant %i32 0\n"
2320
2321                 "%main      = OpFunction %void None %voidf\n"
2322                 "%label     = OpLabel\n"
2323                 "%idval     = OpLoad %uvec3 %id\n"
2324                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2325                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2326                 "%inval     = OpLoad %f32 %inloc\n"
2327                 "%neg       = OpFNegate %f32 %inval\n"
2328                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2329                 "             OpStore %outloc %neg\n"
2330                 "             OpReturn\n"
2331                 "             OpFunctionEnd\n");
2332
2333         cases.push_back(CaseParameter("bool",                   "%bool"));
2334         cases.push_back(CaseParameter("sint32",                 "%i32"));
2335         cases.push_back(CaseParameter("uint32",                 "%u32"));
2336         cases.push_back(CaseParameter("float32",                "%f32"));
2337         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
2338         cases.push_back(CaseParameter("vec3bool",               "%bvec3"));
2339         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
2340         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
2341         cases.push_back(CaseParameter("array",                  "%uarr100"));
2342         cases.push_back(CaseParameter("struct",                 "%struct"));
2343         cases.push_back(CaseParameter("pointer",                "%pointer"));
2344
2345         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2346
2347         for (size_t ndx = 0; ndx < numElements; ++ndx)
2348                 negativeFloats[ndx] = -positiveFloats[ndx];
2349
2350         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2351         {
2352                 map<string, string>             specializations;
2353                 ComputeShaderSpec               spec;
2354
2355                 specializations["TYPE"] = cases[caseNdx].param;
2356                 spec.assembly = shaderTemplate.specialize(specializations);
2357                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2358                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2359                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2360
2361                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2362         }
2363
2364         return group.release();
2365 }
2366
2367 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
2368 tcu::TestCaseGroup* createOpConstantCompositeGroup (tcu::TestContext& testCtx)
2369 {
2370         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "Tests the OpConstantComposite instruction"));
2371         vector<CaseParameter>                   cases;
2372         de::Random                                              rnd                             (deStringHash(group->getName()));
2373         const int                                               numElements             = 100;
2374         vector<float>                                   positiveFloats  (numElements, 0);
2375         vector<float>                                   negativeFloats  (numElements, 0);
2376         const StringTemplate                    shaderTemplate  (
2377                 string(getComputeAsmShaderPreamble()) +
2378
2379                 "OpSource GLSL 430\n"
2380                 "OpName %main           \"main\"\n"
2381                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2382
2383                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2384
2385                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2386
2387                 "%id        = OpVariable %uvec3ptr Input\n"
2388                 "%zero      = OpConstant %i32 0\n"
2389
2390                 "${CONSTANT}\n"
2391
2392                 "%main      = OpFunction %void None %voidf\n"
2393                 "%label     = OpLabel\n"
2394                 "%idval     = OpLoad %uvec3 %id\n"
2395                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2396                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2397                 "%inval     = OpLoad %f32 %inloc\n"
2398                 "%neg       = OpFNegate %f32 %inval\n"
2399                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2400                 "             OpStore %outloc %neg\n"
2401                 "             OpReturn\n"
2402                 "             OpFunctionEnd\n");
2403
2404         cases.push_back(CaseParameter("vector",                 "%five = OpConstant %u32 5\n"
2405                                                                                                         "%const = OpConstantComposite %uvec3 %five %zero %five"));
2406         cases.push_back(CaseParameter("matrix",                 "%m3fvec3 = OpTypeMatrix %fvec3 3\n"
2407                                                                                                         "%ten = OpConstant %f32 10.\n"
2408                                                                                                         "%fzero = OpConstant %f32 0.\n"
2409                                                                                                         "%vec = OpConstantComposite %fvec3 %ten %fzero %ten\n"
2410                                                                                                         "%mat = OpConstantComposite %m3fvec3 %vec %vec %vec"));
2411         cases.push_back(CaseParameter("struct",                 "%m2vec3 = OpTypeMatrix %fvec3 2\n"
2412                                                                                                         "%struct = OpTypeStruct %i32 %f32 %fvec3 %m2vec3\n"
2413                                                                                                         "%fzero = OpConstant %f32 0.\n"
2414                                                                                                         "%one = OpConstant %f32 1.\n"
2415                                                                                                         "%point5 = OpConstant %f32 0.5\n"
2416                                                                                                         "%vec = OpConstantComposite %fvec3 %one %one %fzero\n"
2417                                                                                                         "%mat = OpConstantComposite %m2vec3 %vec %vec\n"
2418                                                                                                         "%const = OpConstantComposite %struct %zero %point5 %vec %mat"));
2419         cases.push_back(CaseParameter("nested_struct",  "%st1 = OpTypeStruct %u32 %f32\n"
2420                                                                                                         "%st2 = OpTypeStruct %i32 %i32\n"
2421                                                                                                         "%struct = OpTypeStruct %st1 %st2\n"
2422                                                                                                         "%point5 = OpConstant %f32 0.5\n"
2423                                                                                                         "%one = OpConstant %u32 1\n"
2424                                                                                                         "%ten = OpConstant %i32 10\n"
2425                                                                                                         "%st1val = OpConstantComposite %st1 %one %point5\n"
2426                                                                                                         "%st2val = OpConstantComposite %st2 %ten %ten\n"
2427                                                                                                         "%const = OpConstantComposite %struct %st1val %st2val"));
2428
2429         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2430
2431         for (size_t ndx = 0; ndx < numElements; ++ndx)
2432                 negativeFloats[ndx] = -positiveFloats[ndx];
2433
2434         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2435         {
2436                 map<string, string>             specializations;
2437                 ComputeShaderSpec               spec;
2438
2439                 specializations["CONSTANT"] = cases[caseNdx].param;
2440                 spec.assembly = shaderTemplate.specialize(specializations);
2441                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2442                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2443                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2444
2445                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2446         }
2447
2448         return group.release();
2449 }
2450
2451 // Creates a floating point number with the given exponent, and significand
2452 // bits set. It can only create normalized numbers. Only the least significant
2453 // 24 bits of the significand will be examined. The final bit of the
2454 // significand will also be ignored. This allows alignment to be written
2455 // similarly to C99 hex-floats.
2456 // For example if you wanted to write 0x1.7f34p-12 you would call
2457 // constructNormalizedFloat(-12, 0x7f3400)
2458 float constructNormalizedFloat (deInt32 exponent, deUint32 significand)
2459 {
2460         float f = 1.0f;
2461
2462         for (deInt32 idx = 0; idx < 23; ++idx)
2463         {
2464                 f += ((significand & 0x800000) == 0) ? 0.f : std::ldexp(1.0f, -(idx + 1));
2465                 significand <<= 1;
2466         }
2467
2468         return std::ldexp(f, exponent);
2469 }
2470
2471 // Compare instruction for the OpQuantizeF16 compute exact case.
2472 // Returns true if the output is what is expected from the test case.
2473 bool compareOpQuantizeF16ComputeExactCase (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
2474 {
2475         if (outputAllocs.size() != 1)
2476                 return false;
2477
2478         // We really just need this for size because we cannot compare Nans.
2479         const BufferSp& expectedOutput  = expectedOutputs[0];
2480         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
2481
2482         if (expectedOutput->getNumBytes() != 4*sizeof(float)) {
2483                 return false;
2484         }
2485
2486         if (*outputAsFloat != constructNormalizedFloat(8, 0x304000) &&
2487                 *outputAsFloat != constructNormalizedFloat(8, 0x300000)) {
2488                 return false;
2489         }
2490         outputAsFloat++;
2491
2492         if (*outputAsFloat != -constructNormalizedFloat(-7, 0x600000) &&
2493                 *outputAsFloat != -constructNormalizedFloat(-7, 0x604000)) {
2494                 return false;
2495         }
2496         outputAsFloat++;
2497
2498         if (*outputAsFloat != constructNormalizedFloat(2, 0x01C000) &&
2499                 *outputAsFloat != constructNormalizedFloat(2, 0x020000)) {
2500                 return false;
2501         }
2502         outputAsFloat++;
2503
2504         if (*outputAsFloat != constructNormalizedFloat(1, 0xFFC000) &&
2505                 *outputAsFloat != constructNormalizedFloat(2, 0x000000)) {
2506                 return false;
2507         }
2508
2509         return true;
2510 }
2511
2512 // Checks that every output from a test-case is a float NaN.
2513 bool compareNan (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
2514 {
2515         if (outputAllocs.size() != 1)
2516                 return false;
2517
2518         // We really just need this for size because we cannot compare Nans.
2519         const BufferSp& expectedOutput          = expectedOutputs[0];
2520         const float* output_as_float            = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
2521
2522         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(float); ++idx)
2523         {
2524                 if (!deFloatIsNaN(output_as_float[idx]))
2525                 {
2526                         return false;
2527                 }
2528         }
2529
2530         return true;
2531 }
2532
2533 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
2534 tcu::TestCaseGroup* createOpQuantizeToF16Group (tcu::TestContext& testCtx)
2535 {
2536         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opquantize", "Tests the OpQuantizeToF16 instruction"));
2537
2538         const std::string shader (
2539                 string(getComputeAsmShaderPreamble()) +
2540
2541                 "OpSource GLSL 430\n"
2542                 "OpName %main           \"main\"\n"
2543                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2544
2545                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2546
2547                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2548
2549                 "%id        = OpVariable %uvec3ptr Input\n"
2550                 "%zero      = OpConstant %i32 0\n"
2551
2552                 "%main      = OpFunction %void None %voidf\n"
2553                 "%label     = OpLabel\n"
2554                 "%idval     = OpLoad %uvec3 %id\n"
2555                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2556                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2557                 "%inval     = OpLoad %f32 %inloc\n"
2558                 "%quant     = OpQuantizeToF16 %f32 %inval\n"
2559                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2560                 "             OpStore %outloc %quant\n"
2561                 "             OpReturn\n"
2562                 "             OpFunctionEnd\n");
2563
2564         {
2565                 ComputeShaderSpec       spec;
2566                 const deUint32          numElements             = 100;
2567                 vector<float>           infinities;
2568                 vector<float>           results;
2569
2570                 infinities.reserve(numElements);
2571                 results.reserve(numElements);
2572
2573                 for (size_t idx = 0; idx < numElements; ++idx)
2574                 {
2575                         switch(idx % 4)
2576                         {
2577                                 case 0:
2578                                         infinities.push_back(std::numeric_limits<float>::infinity());
2579                                         results.push_back(std::numeric_limits<float>::infinity());
2580                                         break;
2581                                 case 1:
2582                                         infinities.push_back(-std::numeric_limits<float>::infinity());
2583                                         results.push_back(-std::numeric_limits<float>::infinity());
2584                                         break;
2585                                 case 2:
2586                                         infinities.push_back(std::ldexp(1.0f, 16));
2587                                         results.push_back(std::numeric_limits<float>::infinity());
2588                                         break;
2589                                 case 3:
2590                                         infinities.push_back(std::ldexp(-1.0f, 32));
2591                                         results.push_back(-std::numeric_limits<float>::infinity());
2592                                         break;
2593                         }
2594                 }
2595
2596                 spec.assembly = shader;
2597                 spec.inputs.push_back(BufferSp(new Float32Buffer(infinities)));
2598                 spec.outputs.push_back(BufferSp(new Float32Buffer(results)));
2599                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2600
2601                 group->addChild(new SpvAsmComputeShaderCase(
2602                         testCtx, "infinities", "Check that infinities propagated and created", spec));
2603         }
2604
2605         {
2606                 ComputeShaderSpec       spec;
2607                 vector<float>           nans;
2608                 const deUint32          numElements             = 100;
2609
2610                 nans.reserve(numElements);
2611
2612                 for (size_t idx = 0; idx < numElements; ++idx)
2613                 {
2614                         if (idx % 2 == 0)
2615                         {
2616                                 nans.push_back(std::numeric_limits<float>::quiet_NaN());
2617                         }
2618                         else
2619                         {
2620                                 nans.push_back(-std::numeric_limits<float>::quiet_NaN());
2621                         }
2622                 }
2623
2624                 spec.assembly = shader;
2625                 spec.inputs.push_back(BufferSp(new Float32Buffer(nans)));
2626                 spec.outputs.push_back(BufferSp(new Float32Buffer(nans)));
2627                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2628                 spec.verifyIO = &compareNan;
2629
2630                 group->addChild(new SpvAsmComputeShaderCase(
2631                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
2632         }
2633
2634         {
2635                 ComputeShaderSpec       spec;
2636                 vector<float>           small;
2637                 vector<float>           zeros;
2638                 const deUint32          numElements             = 100;
2639
2640                 small.reserve(numElements);
2641                 zeros.reserve(numElements);
2642
2643                 for (size_t idx = 0; idx < numElements; ++idx)
2644                 {
2645                         switch(idx % 6)
2646                         {
2647                                 case 0:
2648                                         small.push_back(0.f);
2649                                         zeros.push_back(0.f);
2650                                         break;
2651                                 case 1:
2652                                         small.push_back(-0.f);
2653                                         zeros.push_back(-0.f);
2654                                         break;
2655                                 case 2:
2656                                         small.push_back(std::ldexp(1.0f, -16));
2657                                         zeros.push_back(0.f);
2658                                         break;
2659                                 case 3:
2660                                         small.push_back(std::ldexp(-1.0f, -32));
2661                                         zeros.push_back(-0.f);
2662                                         break;
2663                                 case 4:
2664                                         small.push_back(std::ldexp(1.0f, -127));
2665                                         zeros.push_back(0.f);
2666                                         break;
2667                                 case 5:
2668                                         small.push_back(-std::ldexp(1.0f, -128));
2669                                         zeros.push_back(-0.f);
2670                                         break;
2671                         }
2672                 }
2673
2674                 spec.assembly = shader;
2675                 spec.inputs.push_back(BufferSp(new Float32Buffer(small)));
2676                 spec.outputs.push_back(BufferSp(new Float32Buffer(zeros)));
2677                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2678
2679                 group->addChild(new SpvAsmComputeShaderCase(
2680                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
2681         }
2682
2683         {
2684                 ComputeShaderSpec       spec;
2685                 vector<float>           exact;
2686                 const deUint32          numElements             = 200;
2687
2688                 exact.reserve(numElements);
2689
2690                 for (size_t idx = 0; idx < numElements; ++idx)
2691                         exact.push_back(static_cast<float>(static_cast<int>(idx) - 100));
2692
2693                 spec.assembly = shader;
2694                 spec.inputs.push_back(BufferSp(new Float32Buffer(exact)));
2695                 spec.outputs.push_back(BufferSp(new Float32Buffer(exact)));
2696                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2697
2698                 group->addChild(new SpvAsmComputeShaderCase(
2699                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
2700         }
2701
2702         {
2703                 ComputeShaderSpec       spec;
2704                 vector<float>           inputs;
2705                 const deUint32          numElements             = 4;
2706
2707                 inputs.push_back(constructNormalizedFloat(8,    0x300300));
2708                 inputs.push_back(-constructNormalizedFloat(-7,  0x600800));
2709                 inputs.push_back(constructNormalizedFloat(2,    0x01E000));
2710                 inputs.push_back(constructNormalizedFloat(1,    0xFFE000));
2711
2712                 spec.assembly = shader;
2713                 spec.verifyIO = &compareOpQuantizeF16ComputeExactCase;
2714                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2715                 spec.outputs.push_back(BufferSp(new Float32Buffer(inputs)));
2716                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2717
2718                 group->addChild(new SpvAsmComputeShaderCase(
2719                         testCtx, "rounded", "Check that are rounded when needed", spec));
2720         }
2721
2722         return group.release();
2723 }
2724
2725 tcu::TestCaseGroup* createSpecConstantOpQuantizeToF16Group (tcu::TestContext& testCtx)
2726 {
2727         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop_opquantize", "Tests the OpQuantizeToF16 opcode for the OpSpecConstantOp instruction"));
2728
2729         const std::string shader (
2730                 string(getComputeAsmShaderPreamble()) +
2731
2732                 "OpName %main           \"main\"\n"
2733                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2734
2735                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2736
2737                 "OpDecorate %sc_0  SpecId 0\n"
2738                 "OpDecorate %sc_1  SpecId 1\n"
2739                 "OpDecorate %sc_2  SpecId 2\n"
2740                 "OpDecorate %sc_3  SpecId 3\n"
2741                 "OpDecorate %sc_4  SpecId 4\n"
2742                 "OpDecorate %sc_5  SpecId 5\n"
2743
2744                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
2745
2746                 "%id        = OpVariable %uvec3ptr Input\n"
2747                 "%zero      = OpConstant %i32 0\n"
2748                 "%c_u32_6   = OpConstant %u32 6\n"
2749
2750                 "%sc_0      = OpSpecConstant %f32 0.\n"
2751                 "%sc_1      = OpSpecConstant %f32 0.\n"
2752                 "%sc_2      = OpSpecConstant %f32 0.\n"
2753                 "%sc_3      = OpSpecConstant %f32 0.\n"
2754                 "%sc_4      = OpSpecConstant %f32 0.\n"
2755                 "%sc_5      = OpSpecConstant %f32 0.\n"
2756
2757                 "%sc_0_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_0\n"
2758                 "%sc_1_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_1\n"
2759                 "%sc_2_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_2\n"
2760                 "%sc_3_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_3\n"
2761                 "%sc_4_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_4\n"
2762                 "%sc_5_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_5\n"
2763
2764                 "%main      = OpFunction %void None %voidf\n"
2765                 "%label     = OpLabel\n"
2766                 "%idval     = OpLoad %uvec3 %id\n"
2767                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2768                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2769                 "%selector  = OpUMod %u32 %x %c_u32_6\n"
2770                 "            OpSelectionMerge %exit None\n"
2771                 "            OpSwitch %selector %exit 0 %case0 1 %case1 2 %case2 3 %case3 4 %case4 5 %case5\n"
2772
2773                 "%case0     = OpLabel\n"
2774                 "             OpStore %outloc %sc_0_quant\n"
2775                 "             OpBranch %exit\n"
2776
2777                 "%case1     = OpLabel\n"
2778                 "             OpStore %outloc %sc_1_quant\n"
2779                 "             OpBranch %exit\n"
2780
2781                 "%case2     = OpLabel\n"
2782                 "             OpStore %outloc %sc_2_quant\n"
2783                 "             OpBranch %exit\n"
2784
2785                 "%case3     = OpLabel\n"
2786                 "             OpStore %outloc %sc_3_quant\n"
2787                 "             OpBranch %exit\n"
2788
2789                 "%case4     = OpLabel\n"
2790                 "             OpStore %outloc %sc_4_quant\n"
2791                 "             OpBranch %exit\n"
2792
2793                 "%case5     = OpLabel\n"
2794                 "             OpStore %outloc %sc_5_quant\n"
2795                 "             OpBranch %exit\n"
2796
2797                 "%exit      = OpLabel\n"
2798                 "             OpReturn\n"
2799
2800                 "             OpFunctionEnd\n");
2801
2802         {
2803                 ComputeShaderSpec       spec;
2804                 const deUint8           numCases        = 4;
2805                 vector<float>           inputs          (numCases, 0.f);
2806                 vector<float>           outputs;
2807
2808                 spec.assembly           = shader;
2809                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2810
2811                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::numeric_limits<float>::infinity()));
2812                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::numeric_limits<float>::infinity()));
2813                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, 16)));
2814                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, 32)));
2815
2816                 outputs.push_back(std::numeric_limits<float>::infinity());
2817                 outputs.push_back(-std::numeric_limits<float>::infinity());
2818                 outputs.push_back(std::numeric_limits<float>::infinity());
2819                 outputs.push_back(-std::numeric_limits<float>::infinity());
2820
2821                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2822                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2823
2824                 group->addChild(new SpvAsmComputeShaderCase(
2825                         testCtx, "infinities", "Check that infinities propagated and created", spec));
2826         }
2827
2828         {
2829                 ComputeShaderSpec       spec;
2830                 const deUint8           numCases        = 2;
2831                 vector<float>           inputs          (numCases, 0.f);
2832                 vector<float>           outputs;
2833
2834                 spec.assembly           = shader;
2835                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2836                 spec.verifyIO           = &compareNan;
2837
2838                 outputs.push_back(std::numeric_limits<float>::quiet_NaN());
2839                 outputs.push_back(-std::numeric_limits<float>::quiet_NaN());
2840
2841                 for (deUint8 idx = 0; idx < numCases; ++idx)
2842                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
2843
2844                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2845                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2846
2847                 group->addChild(new SpvAsmComputeShaderCase(
2848                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
2849         }
2850
2851         {
2852                 ComputeShaderSpec       spec;
2853                 const deUint8           numCases        = 6;
2854                 vector<float>           inputs          (numCases, 0.f);
2855                 vector<float>           outputs;
2856
2857                 spec.assembly           = shader;
2858                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2859
2860                 spec.specConstants.push_back(bitwiseCast<deUint32>(0.f));
2861                 spec.specConstants.push_back(bitwiseCast<deUint32>(-0.f));
2862                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -16)));
2863                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, -32)));
2864                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -127)));
2865                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::ldexp(1.0f, -128)));
2866
2867                 outputs.push_back(0.f);
2868                 outputs.push_back(-0.f);
2869                 outputs.push_back(0.f);
2870                 outputs.push_back(-0.f);
2871                 outputs.push_back(0.f);
2872                 outputs.push_back(-0.f);
2873
2874                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2875                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2876
2877                 group->addChild(new SpvAsmComputeShaderCase(
2878                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
2879         }
2880
2881         {
2882                 ComputeShaderSpec       spec;
2883                 const deUint8           numCases        = 6;
2884                 vector<float>           inputs          (numCases, 0.f);
2885                 vector<float>           outputs;
2886
2887                 spec.assembly           = shader;
2888                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2889
2890                 for (deUint8 idx = 0; idx < 6; ++idx)
2891                 {
2892                         const float f = static_cast<float>(idx * 10 - 30) / 4.f;
2893                         spec.specConstants.push_back(bitwiseCast<deUint32>(f));
2894                         outputs.push_back(f);
2895                 }
2896
2897                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2898                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2899
2900                 group->addChild(new SpvAsmComputeShaderCase(
2901                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
2902         }
2903
2904         {
2905                 ComputeShaderSpec       spec;
2906                 const deUint8           numCases        = 4;
2907                 vector<float>           inputs          (numCases, 0.f);
2908                 vector<float>           outputs;
2909
2910                 spec.assembly           = shader;
2911                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2912                 spec.verifyIO           = &compareOpQuantizeF16ComputeExactCase;
2913
2914                 outputs.push_back(constructNormalizedFloat(8, 0x300300));
2915                 outputs.push_back(-constructNormalizedFloat(-7, 0x600800));
2916                 outputs.push_back(constructNormalizedFloat(2, 0x01E000));
2917                 outputs.push_back(constructNormalizedFloat(1, 0xFFE000));
2918
2919                 for (deUint8 idx = 0; idx < numCases; ++idx)
2920                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
2921
2922                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2923                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2924
2925                 group->addChild(new SpvAsmComputeShaderCase(
2926                         testCtx, "rounded", "Check that are rounded when needed", spec));
2927         }
2928
2929         return group.release();
2930 }
2931
2932 // Checks that constant null/composite values can be used in computation.
2933 tcu::TestCaseGroup* createOpConstantUsageGroup (tcu::TestContext& testCtx)
2934 {
2935         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnullcomposite", "Spotcheck the OpConstantNull & OpConstantComposite instruction"));
2936         ComputeShaderSpec                               spec;
2937         de::Random                                              rnd                             (deStringHash(group->getName()));
2938         const int                                               numElements             = 100;
2939         vector<float>                                   positiveFloats  (numElements, 0);
2940         vector<float>                                   negativeFloats  (numElements, 0);
2941
2942         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2943
2944         for (size_t ndx = 0; ndx < numElements; ++ndx)
2945                 negativeFloats[ndx] = -positiveFloats[ndx];
2946
2947         spec.assembly =
2948                 "OpCapability Shader\n"
2949                 "%std450 = OpExtInstImport \"GLSL.std.450\"\n"
2950                 "OpMemoryModel Logical GLSL450\n"
2951                 "OpEntryPoint GLCompute %main \"main\" %id\n"
2952                 "OpExecutionMode %main LocalSize 1 1 1\n"
2953
2954                 "OpSource GLSL 430\n"
2955                 "OpName %main           \"main\"\n"
2956                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2957
2958                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2959
2960                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) +
2961
2962                 "%fmat      = OpTypeMatrix %fvec3 3\n"
2963                 "%ten       = OpConstant %u32 10\n"
2964                 "%f32arr10  = OpTypeArray %f32 %ten\n"
2965                 "%fst       = OpTypeStruct %f32 %f32\n"
2966
2967                 + string(getComputeAsmInputOutputBuffer()) +
2968
2969                 "%id        = OpVariable %uvec3ptr Input\n"
2970                 "%zero      = OpConstant %i32 0\n"
2971
2972                 // Create a bunch of null values
2973                 "%unull     = OpConstantNull %u32\n"
2974                 "%fnull     = OpConstantNull %f32\n"
2975                 "%vnull     = OpConstantNull %fvec3\n"
2976                 "%mnull     = OpConstantNull %fmat\n"
2977                 "%anull     = OpConstantNull %f32arr10\n"
2978                 "%snull     = OpConstantComposite %fst %fnull %fnull\n"
2979
2980                 "%main      = OpFunction %void None %voidf\n"
2981                 "%label     = OpLabel\n"
2982                 "%idval     = OpLoad %uvec3 %id\n"
2983                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2984                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2985                 "%inval     = OpLoad %f32 %inloc\n"
2986                 "%neg       = OpFNegate %f32 %inval\n"
2987
2988                 // Get the abs() of (a certain element of) those null values
2989                 "%unull_cov = OpConvertUToF %f32 %unull\n"
2990                 "%unull_abs = OpExtInst %f32 %std450 FAbs %unull_cov\n"
2991                 "%fnull_abs = OpExtInst %f32 %std450 FAbs %fnull\n"
2992                 "%vnull_0   = OpCompositeExtract %f32 %vnull 0\n"
2993                 "%vnull_abs = OpExtInst %f32 %std450 FAbs %vnull_0\n"
2994                 "%mnull_12  = OpCompositeExtract %f32 %mnull 1 2\n"
2995                 "%mnull_abs = OpExtInst %f32 %std450 FAbs %mnull_12\n"
2996                 "%anull_3   = OpCompositeExtract %f32 %anull 3\n"
2997                 "%anull_abs = OpExtInst %f32 %std450 FAbs %anull_3\n"
2998                 "%snull_1   = OpCompositeExtract %f32 %snull 1\n"
2999                 "%snull_abs = OpExtInst %f32 %std450 FAbs %snull_1\n"
3000
3001                 // Add them all
3002                 "%add1      = OpFAdd %f32 %neg  %unull_abs\n"
3003                 "%add2      = OpFAdd %f32 %add1 %fnull_abs\n"
3004                 "%add3      = OpFAdd %f32 %add2 %vnull_abs\n"
3005                 "%add4      = OpFAdd %f32 %add3 %mnull_abs\n"
3006                 "%add5      = OpFAdd %f32 %add4 %anull_abs\n"
3007                 "%final     = OpFAdd %f32 %add5 %snull_abs\n"
3008
3009                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3010                 "             OpStore %outloc %final\n" // write to output
3011                 "             OpReturn\n"
3012                 "             OpFunctionEnd\n";
3013         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3014         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3015         spec.numWorkGroups = IVec3(numElements, 1, 1);
3016
3017         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "Check that values constructed via OpConstantNull & OpConstantComposite can be used", spec));
3018
3019         return group.release();
3020 }
3021
3022 // Assembly code used for testing loop control is based on GLSL source code:
3023 // #version 430
3024 //
3025 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3026 //   float elements[];
3027 // } input_data;
3028 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3029 //   float elements[];
3030 // } output_data;
3031 //
3032 // void main() {
3033 //   uint x = gl_GlobalInvocationID.x;
3034 //   output_data.elements[x] = input_data.elements[x];
3035 //   for (uint i = 0; i < 4; ++i)
3036 //     output_data.elements[x] += 1.f;
3037 // }
3038 tcu::TestCaseGroup* createLoopControlGroup (tcu::TestContext& testCtx)
3039 {
3040         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "loop_control", "Tests loop control cases"));
3041         vector<CaseParameter>                   cases;
3042         de::Random                                              rnd                             (deStringHash(group->getName()));
3043         const int                                               numElements             = 100;
3044         vector<float>                                   inputFloats             (numElements, 0);
3045         vector<float>                                   outputFloats    (numElements, 0);
3046         const StringTemplate                    shaderTemplate  (
3047                 string(getComputeAsmShaderPreamble()) +
3048
3049                 "OpSource GLSL 430\n"
3050                 "OpName %main \"main\"\n"
3051                 "OpName %id \"gl_GlobalInvocationID\"\n"
3052
3053                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3054
3055                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3056
3057                 "%u32ptr      = OpTypePointer Function %u32\n"
3058
3059                 "%id          = OpVariable %uvec3ptr Input\n"
3060                 "%zero        = OpConstant %i32 0\n"
3061                 "%uzero       = OpConstant %u32 0\n"
3062                 "%one         = OpConstant %i32 1\n"
3063                 "%constf1     = OpConstant %f32 1.0\n"
3064                 "%four        = OpConstant %u32 4\n"
3065
3066                 "%main        = OpFunction %void None %voidf\n"
3067                 "%entry       = OpLabel\n"
3068                 "%i           = OpVariable %u32ptr Function\n"
3069                 "               OpStore %i %uzero\n"
3070
3071                 "%idval       = OpLoad %uvec3 %id\n"
3072                 "%x           = OpCompositeExtract %u32 %idval 0\n"
3073                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
3074                 "%inval       = OpLoad %f32 %inloc\n"
3075                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
3076                 "               OpStore %outloc %inval\n"
3077                 "               OpBranch %loop_entry\n"
3078
3079                 "%loop_entry  = OpLabel\n"
3080                 "%i_val       = OpLoad %u32 %i\n"
3081                 "%cmp_lt      = OpULessThan %bool %i_val %four\n"
3082                 "               OpLoopMerge %loop_merge %loop_body ${CONTROL}\n"
3083                 "               OpBranchConditional %cmp_lt %loop_body %loop_merge\n"
3084                 "%loop_body   = OpLabel\n"
3085                 "%outval      = OpLoad %f32 %outloc\n"
3086                 "%addf1       = OpFAdd %f32 %outval %constf1\n"
3087                 "               OpStore %outloc %addf1\n"
3088                 "%new_i       = OpIAdd %u32 %i_val %one\n"
3089                 "               OpStore %i %new_i\n"
3090                 "               OpBranch %loop_entry\n"
3091                 "%loop_merge  = OpLabel\n"
3092                 "               OpReturn\n"
3093                 "               OpFunctionEnd\n");
3094
3095         cases.push_back(CaseParameter("none",                           "None"));
3096         cases.push_back(CaseParameter("unroll",                         "Unroll"));
3097         cases.push_back(CaseParameter("dont_unroll",            "DontUnroll"));
3098         cases.push_back(CaseParameter("unroll_dont_unroll",     "Unroll|DontUnroll"));
3099
3100         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3101
3102         for (size_t ndx = 0; ndx < numElements; ++ndx)
3103                 outputFloats[ndx] = inputFloats[ndx] + 4.f;
3104
3105         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3106         {
3107                 map<string, string>             specializations;
3108                 ComputeShaderSpec               spec;
3109
3110                 specializations["CONTROL"] = cases[caseNdx].param;
3111                 spec.assembly = shaderTemplate.specialize(specializations);
3112                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3113                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3114                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3115
3116                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3117         }
3118
3119         return group.release();
3120 }
3121
3122 // Assembly code used for testing selection control is based on GLSL source code:
3123 // #version 430
3124 //
3125 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3126 //   float elements[];
3127 // } input_data;
3128 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3129 //   float elements[];
3130 // } output_data;
3131 //
3132 // void main() {
3133 //   uint x = gl_GlobalInvocationID.x;
3134 //   float val = input_data.elements[x];
3135 //   if (val > 10.f)
3136 //     output_data.elements[x] = val + 1.f;
3137 //   else
3138 //     output_data.elements[x] = val - 1.f;
3139 // }
3140 tcu::TestCaseGroup* createSelectionControlGroup (tcu::TestContext& testCtx)
3141 {
3142         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "selection_control", "Tests selection control cases"));
3143         vector<CaseParameter>                   cases;
3144         de::Random                                              rnd                             (deStringHash(group->getName()));
3145         const int                                               numElements             = 100;
3146         vector<float>                                   inputFloats             (numElements, 0);
3147         vector<float>                                   outputFloats    (numElements, 0);
3148         const StringTemplate                    shaderTemplate  (
3149                 string(getComputeAsmShaderPreamble()) +
3150
3151                 "OpSource GLSL 430\n"
3152                 "OpName %main \"main\"\n"
3153                 "OpName %id \"gl_GlobalInvocationID\"\n"
3154
3155                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3156
3157                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3158
3159                 "%id       = OpVariable %uvec3ptr Input\n"
3160                 "%zero     = OpConstant %i32 0\n"
3161                 "%constf1  = OpConstant %f32 1.0\n"
3162                 "%constf10 = OpConstant %f32 10.0\n"
3163
3164                 "%main     = OpFunction %void None %voidf\n"
3165                 "%entry    = OpLabel\n"
3166                 "%idval    = OpLoad %uvec3 %id\n"
3167                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3168                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3169                 "%inval    = OpLoad %f32 %inloc\n"
3170                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3171                 "%cmp_gt   = OpFOrdGreaterThan %bool %inval %constf10\n"
3172
3173                 "            OpSelectionMerge %if_end ${CONTROL}\n"
3174                 "            OpBranchConditional %cmp_gt %if_true %if_false\n"
3175                 "%if_true  = OpLabel\n"
3176                 "%addf1    = OpFAdd %f32 %inval %constf1\n"
3177                 "            OpStore %outloc %addf1\n"
3178                 "            OpBranch %if_end\n"
3179                 "%if_false = OpLabel\n"
3180                 "%subf1    = OpFSub %f32 %inval %constf1\n"
3181                 "            OpStore %outloc %subf1\n"
3182                 "            OpBranch %if_end\n"
3183                 "%if_end   = OpLabel\n"
3184                 "            OpReturn\n"
3185                 "            OpFunctionEnd\n");
3186
3187         cases.push_back(CaseParameter("none",                                   "None"));
3188         cases.push_back(CaseParameter("flatten",                                "Flatten"));
3189         cases.push_back(CaseParameter("dont_flatten",                   "DontFlatten"));
3190         cases.push_back(CaseParameter("flatten_dont_flatten",   "DontFlatten|Flatten"));
3191
3192         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3193
3194         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3195         floorAll(inputFloats);
3196
3197         for (size_t ndx = 0; ndx < numElements; ++ndx)
3198                 outputFloats[ndx] = inputFloats[ndx] + (inputFloats[ndx] > 10.f ? 1.f : -1.f);
3199
3200         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3201         {
3202                 map<string, string>             specializations;
3203                 ComputeShaderSpec               spec;
3204
3205                 specializations["CONTROL"] = cases[caseNdx].param;
3206                 spec.assembly = shaderTemplate.specialize(specializations);
3207                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3208                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3209                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3210
3211                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3212         }
3213
3214         return group.release();
3215 }
3216
3217 // Assembly code used for testing function control is based on GLSL source code:
3218 //
3219 // #version 430
3220 //
3221 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3222 //   float elements[];
3223 // } input_data;
3224 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3225 //   float elements[];
3226 // } output_data;
3227 //
3228 // float const10() { return 10.f; }
3229 //
3230 // void main() {
3231 //   uint x = gl_GlobalInvocationID.x;
3232 //   output_data.elements[x] = input_data.elements[x] + const10();
3233 // }
3234 tcu::TestCaseGroup* createFunctionControlGroup (tcu::TestContext& testCtx)
3235 {
3236         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "function_control", "Tests function control cases"));
3237         vector<CaseParameter>                   cases;
3238         de::Random                                              rnd                             (deStringHash(group->getName()));
3239         const int                                               numElements             = 100;
3240         vector<float>                                   inputFloats             (numElements, 0);
3241         vector<float>                                   outputFloats    (numElements, 0);
3242         const StringTemplate                    shaderTemplate  (
3243                 string(getComputeAsmShaderPreamble()) +
3244
3245                 "OpSource GLSL 430\n"
3246                 "OpName %main \"main\"\n"
3247                 "OpName %func_const10 \"const10(\"\n"
3248                 "OpName %id \"gl_GlobalInvocationID\"\n"
3249
3250                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3251
3252                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3253
3254                 "%f32f = OpTypeFunction %f32\n"
3255                 "%id = OpVariable %uvec3ptr Input\n"
3256                 "%zero = OpConstant %i32 0\n"
3257                 "%constf10 = OpConstant %f32 10.0\n"
3258
3259                 "%main         = OpFunction %void None %voidf\n"
3260                 "%entry        = OpLabel\n"
3261                 "%idval        = OpLoad %uvec3 %id\n"
3262                 "%x            = OpCompositeExtract %u32 %idval 0\n"
3263                 "%inloc        = OpAccessChain %f32ptr %indata %zero %x\n"
3264                 "%inval        = OpLoad %f32 %inloc\n"
3265                 "%ret_10       = OpFunctionCall %f32 %func_const10\n"
3266                 "%fadd         = OpFAdd %f32 %inval %ret_10\n"
3267                 "%outloc       = OpAccessChain %f32ptr %outdata %zero %x\n"
3268                 "                OpStore %outloc %fadd\n"
3269                 "                OpReturn\n"
3270                 "                OpFunctionEnd\n"
3271
3272                 "%func_const10 = OpFunction %f32 ${CONTROL} %f32f\n"
3273                 "%label        = OpLabel\n"
3274                 "                OpReturnValue %constf10\n"
3275                 "                OpFunctionEnd\n");
3276
3277         cases.push_back(CaseParameter("none",                                           "None"));
3278         cases.push_back(CaseParameter("inline",                                         "Inline"));
3279         cases.push_back(CaseParameter("dont_inline",                            "DontInline"));
3280         cases.push_back(CaseParameter("pure",                                           "Pure"));
3281         cases.push_back(CaseParameter("const",                                          "Const"));
3282         cases.push_back(CaseParameter("inline_pure",                            "Inline|Pure"));
3283         cases.push_back(CaseParameter("const_dont_inline",                      "Const|DontInline"));
3284         cases.push_back(CaseParameter("inline_dont_inline",                     "Inline|DontInline"));
3285         cases.push_back(CaseParameter("pure_inline_dont_inline",        "Pure|Inline|DontInline"));
3286
3287         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3288
3289         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3290         floorAll(inputFloats);
3291
3292         for (size_t ndx = 0; ndx < numElements; ++ndx)
3293                 outputFloats[ndx] = inputFloats[ndx] + 10.f;
3294
3295         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3296         {
3297                 map<string, string>             specializations;
3298                 ComputeShaderSpec               spec;
3299
3300                 specializations["CONTROL"] = cases[caseNdx].param;
3301                 spec.assembly = shaderTemplate.specialize(specializations);
3302                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3303                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3304                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3305
3306                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3307         }
3308
3309         return group.release();
3310 }
3311
3312 tcu::TestCaseGroup* createMemoryAccessGroup (tcu::TestContext& testCtx)
3313 {
3314         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "memory_access", "Tests memory access cases"));
3315         vector<CaseParameter>                   cases;
3316         de::Random                                              rnd                             (deStringHash(group->getName()));
3317         const int                                               numElements             = 100;
3318         vector<float>                                   inputFloats             (numElements, 0);
3319         vector<float>                                   outputFloats    (numElements, 0);
3320         const StringTemplate                    shaderTemplate  (
3321                 string(getComputeAsmShaderPreamble()) +
3322
3323                 "OpSource GLSL 430\n"
3324                 "OpName %main           \"main\"\n"
3325                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3326
3327                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3328
3329                 + string(getComputeAsmInputOutputBufferTraits()) + string(getComputeAsmCommonTypes()) + string(getComputeAsmInputOutputBuffer()) +
3330
3331                 "%f32ptr_f  = OpTypePointer Function %f32\n"
3332
3333                 "%id        = OpVariable %uvec3ptr Input\n"
3334                 "%zero      = OpConstant %i32 0\n"
3335                 "%four      = OpConstant %i32 4\n"
3336
3337                 "%main      = OpFunction %void None %voidf\n"
3338                 "%label     = OpLabel\n"
3339                 "%copy      = OpVariable %f32ptr_f Function\n"
3340                 "%idval     = OpLoad %uvec3 %id ${ACCESS}\n"
3341                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3342                 "%inloc     = OpAccessChain %f32ptr %indata  %zero %x\n"
3343                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3344                 "             OpCopyMemory %copy %inloc ${ACCESS}\n"
3345                 "%val1      = OpLoad %f32 %copy\n"
3346                 "%val2      = OpLoad %f32 %inloc\n"
3347                 "%add       = OpFAdd %f32 %val1 %val2\n"
3348                 "             OpStore %outloc %add ${ACCESS}\n"
3349                 "             OpReturn\n"
3350                 "             OpFunctionEnd\n");
3351
3352         cases.push_back(CaseParameter("null",                                   ""));
3353         cases.push_back(CaseParameter("none",                                   "None"));
3354         cases.push_back(CaseParameter("volatile",                               "Volatile"));
3355         cases.push_back(CaseParameter("aligned",                                "Aligned 4"));
3356         cases.push_back(CaseParameter("nontemporal",                    "Nontemporal"));
3357         cases.push_back(CaseParameter("aligned_nontemporal",    "Aligned|Nontemporal 4"));
3358         cases.push_back(CaseParameter("aligned_volatile",               "Volatile|Aligned 4"));
3359
3360         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3361
3362         for (size_t ndx = 0; ndx < numElements; ++ndx)
3363                 outputFloats[ndx] = inputFloats[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["ACCESS"] = 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 we can get undefined values for various types, without exercising a computation with it.
3383 tcu::TestCaseGroup* createOpUndefGroup (tcu::TestContext& testCtx)
3384 {
3385         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opundef", "Tests the OpUndef 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()) + string(getComputeAsmInputOutputBuffer()) +
3401
3402                 "${TYPE}\n"
3403
3404                 "%id        = OpVariable %uvec3ptr Input\n"
3405                 "%zero      = OpConstant %i32 0\n"
3406
3407                 "%main      = OpFunction %void None %voidf\n"
3408                 "%label     = OpLabel\n"
3409
3410                 "%undef     = OpUndef ${TYPE}\n"
3411
3412                 "%idval     = OpLoad %uvec3 %id\n"
3413                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3414
3415                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3416                 "%inval     = OpLoad %f32 %inloc\n"
3417                 "%neg       = OpFNegate %f32 %inval\n"
3418                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3419                 "             OpStore %outloc %neg\n"
3420                 "             OpReturn\n"
3421                 "             OpFunctionEnd\n");
3422
3423         cases.push_back(CaseParameter("bool",                   "%bool"));
3424         cases.push_back(CaseParameter("sint32",                 "%i32"));
3425         cases.push_back(CaseParameter("uint32",                 "%u32"));
3426         cases.push_back(CaseParameter("float32",                "%f32"));
3427         cases.push_back(CaseParameter("vec4float32",    "%fvec4"));
3428         cases.push_back(CaseParameter("vec2uint32",             "%uvec2"));
3429         cases.push_back(CaseParameter("matrix",                 "%fmat33"));
3430         cases.push_back(CaseParameter("image",                  "%image"));
3431         cases.push_back(CaseParameter("sampler",                "%sampler"));
3432         cases.push_back(CaseParameter("sampledimage",   "%simage"));
3433         cases.push_back(CaseParameter("array",                  "%uarr100"));
3434         cases.push_back(CaseParameter("runtimearray",   "%f32arr"));
3435         cases.push_back(CaseParameter("struct",                 "%struct"));
3436         cases.push_back(CaseParameter("pointer",                "%pointer"));
3437
3438         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
3439
3440         for (size_t ndx = 0; ndx < numElements; ++ndx)
3441                 negativeFloats[ndx] = -positiveFloats[ndx];
3442
3443         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3444         {
3445                 map<string, string>             specializations;
3446                 ComputeShaderSpec               spec;
3447
3448                 specializations["TYPE"] = cases[caseNdx].param;
3449                 spec.assembly = shaderTemplate.specialize(specializations);
3450                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3451                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3452                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3453
3454                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3455         }
3456
3457                 return group.release();
3458 }
3459 } // anonymous
3460
3461 tcu::TestCaseGroup* createOpSourceTests (tcu::TestContext& testCtx)
3462 {
3463         struct NameCodePair { string name, code; };
3464         RGBA                                                    defaultColors[4];
3465         de::MovePtr<tcu::TestCaseGroup> opSourceTests                   (new tcu::TestCaseGroup(testCtx, "opsource", "OpSource instruction"));
3466         const std::string                               opsourceGLSLWithFile    = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile ";
3467         map<string, string>                             fragments                               = passthruFragments();
3468         const NameCodePair                              tests[]                                 =
3469         {
3470                 {"unknown", "OpSource Unknown 321"},
3471                 {"essl", "OpSource ESSL 310"},
3472                 {"glsl", "OpSource GLSL 450"},
3473                 {"opencl_cpp", "OpSource OpenCL_CPP 120"},
3474                 {"opencl_c", "OpSource OpenCL_C 120"},
3475                 {"multiple", "OpSource GLSL 450\nOpSource GLSL 450"},
3476                 {"file", opsourceGLSLWithFile},
3477                 {"source", opsourceGLSLWithFile + "\"void main(){}\""},
3478                 // Longest possible source string: SPIR-V limits instructions to 65535
3479                 // words, of which the first 4 are opsourceGLSLWithFile; the rest will
3480                 // contain 65530 UTF8 characters (one word each) plus one last word
3481                 // containing 3 ASCII characters and \0.
3482                 {"longsource", opsourceGLSLWithFile + '"' + makeLongUTF8String(65530) + "ccc" + '"'}
3483         };
3484
3485         getDefaultColors(defaultColors);
3486         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
3487         {
3488                 fragments["debug"] = tests[testNdx].code;
3489                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
3490         }
3491
3492         return opSourceTests.release();
3493 }
3494
3495 tcu::TestCaseGroup* createOpSourceContinuedTests (tcu::TestContext& testCtx)
3496 {
3497         struct NameCodePair { string name, code; };
3498         RGBA                                                            defaultColors[4];
3499         de::MovePtr<tcu::TestCaseGroup>         opSourceTests           (new tcu::TestCaseGroup(testCtx, "opsourcecontinued", "OpSourceContinued instruction"));
3500         map<string, string>                                     fragments                       = passthruFragments();
3501         const std::string                                       opsource                        = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile \"void main(){}\"\n";
3502         const NameCodePair                                      tests[]                         =
3503         {
3504                 {"empty", opsource + "OpSourceContinued \"\""},
3505                 {"short", opsource + "OpSourceContinued \"abcde\""},
3506                 {"multiple", opsource + "OpSourceContinued \"abcde\"\nOpSourceContinued \"fghij\""},
3507                 // Longest possible source string: SPIR-V limits instructions to 65535
3508                 // words, of which the first one is OpSourceContinued/length; the rest
3509                 // will contain 65533 UTF8 characters (one word each) plus one last word
3510                 // containing 3 ASCII characters and \0.
3511                 {"long", opsource + "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\""}
3512         };
3513
3514         getDefaultColors(defaultColors);
3515         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
3516         {
3517                 fragments["debug"] = tests[testNdx].code;
3518                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
3519         }
3520
3521         return opSourceTests.release();
3522 }
3523
3524 tcu::TestCaseGroup* createOpNoLineTests(tcu::TestContext& testCtx)
3525 {
3526         RGBA                                                             defaultColors[4];
3527         de::MovePtr<tcu::TestCaseGroup>          opLineTests             (new tcu::TestCaseGroup(testCtx, "opnoline", "OpNoLine instruction"));
3528         map<string, string>                                      fragments;
3529         getDefaultColors(defaultColors);
3530         fragments["debug"]                      =
3531                 "%name = OpString \"name\"\n";
3532
3533         fragments["pre_main"]   =
3534                 "OpNoLine\n"
3535                 "OpNoLine\n"
3536                 "OpLine %name 1 1\n"
3537                 "OpNoLine\n"
3538                 "OpLine %name 1 1\n"
3539                 "OpLine %name 1 1\n"
3540                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
3541                 "OpNoLine\n"
3542                 "OpLine %name 1 1\n"
3543                 "OpNoLine\n"
3544                 "OpLine %name 1 1\n"
3545                 "OpLine %name 1 1\n"
3546                 "%second_param1 = OpFunctionParameter %v4f32\n"
3547                 "OpNoLine\n"
3548                 "OpNoLine\n"
3549                 "%label_secondfunction = OpLabel\n"
3550                 "OpNoLine\n"
3551                 "OpReturnValue %second_param1\n"
3552                 "OpFunctionEnd\n"
3553                 "OpNoLine\n"
3554                 "OpNoLine\n";
3555
3556         fragments["testfun"]            =
3557                 // A %test_code function that returns its argument unchanged.
3558                 "OpNoLine\n"
3559                 "OpNoLine\n"
3560                 "OpLine %name 1 1\n"
3561                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
3562                 "OpNoLine\n"
3563                 "%param1 = OpFunctionParameter %v4f32\n"
3564                 "OpNoLine\n"
3565                 "OpNoLine\n"
3566                 "%label_testfun = OpLabel\n"
3567                 "OpNoLine\n"
3568                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
3569                 "OpReturnValue %val1\n"
3570                 "OpFunctionEnd\n"
3571                 "OpLine %name 1 1\n"
3572                 "OpNoLine\n";
3573
3574         createTestsForAllStages("opnoline", defaultColors, defaultColors, fragments, opLineTests.get());
3575
3576         return opLineTests.release();
3577 }
3578
3579
3580 tcu::TestCaseGroup* createOpLineTests(tcu::TestContext& testCtx)
3581 {
3582         RGBA                                                                                                    defaultColors[4];
3583         de::MovePtr<tcu::TestCaseGroup>                                                 opLineTests                     (new tcu::TestCaseGroup(testCtx, "opline", "OpLine instruction"));
3584         map<string, string>                                                                             fragments;
3585         std::vector<std::pair<std::string, std::string> >               problemStrings;
3586
3587         problemStrings.push_back(std::make_pair<std::string, std::string>("empty_name", ""));
3588         problemStrings.push_back(std::make_pair<std::string, std::string>("short_name", "short_name"));
3589         problemStrings.push_back(std::make_pair<std::string, std::string>("long_name", makeLongUTF8String(65530) + "ccc"));
3590         getDefaultColors(defaultColors);
3591
3592         fragments["debug"]                      =
3593                 "%other_name = OpString \"other_name\"\n";
3594
3595         fragments["pre_main"]   =
3596                 "OpLine %file_name 32 0\n"
3597                 "OpLine %file_name 32 32\n"
3598                 "OpLine %file_name 32 40\n"
3599                 "OpLine %other_name 32 40\n"
3600                 "OpLine %other_name 0 100\n"
3601                 "OpLine %other_name 0 4294967295\n"
3602                 "OpLine %other_name 4294967295 0\n"
3603                 "OpLine %other_name 32 40\n"
3604                 "OpLine %file_name 0 0\n"
3605                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
3606                 "OpLine %file_name 1 0\n"
3607                 "%second_param1 = OpFunctionParameter %v4f32\n"
3608                 "OpLine %file_name 1 3\n"
3609                 "OpLine %file_name 1 2\n"
3610                 "%label_secondfunction = OpLabel\n"
3611                 "OpLine %file_name 0 2\n"
3612                 "OpReturnValue %second_param1\n"
3613                 "OpFunctionEnd\n"
3614                 "OpLine %file_name 0 2\n"
3615                 "OpLine %file_name 0 2\n";
3616
3617         fragments["testfun"]            =
3618                 // A %test_code function that returns its argument unchanged.
3619                 "OpLine %file_name 1 0\n"
3620                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
3621                 "OpLine %file_name 16 330\n"
3622                 "%param1 = OpFunctionParameter %v4f32\n"
3623                 "OpLine %file_name 14 442\n"
3624                 "%label_testfun = OpLabel\n"
3625                 "OpLine %file_name 11 1024\n"
3626                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
3627                 "OpLine %file_name 2 97\n"
3628                 "OpReturnValue %val1\n"
3629                 "OpFunctionEnd\n"
3630                 "OpLine %file_name 5 32\n";
3631
3632         for (size_t i = 0; i < problemStrings.size(); ++i)
3633         {
3634                 map<string, string> testFragments = fragments;
3635                 testFragments["debug"] += "%file_name = OpString \"" + problemStrings[i].second + "\"\n";
3636                 createTestsForAllStages(string("opline") + "_" + problemStrings[i].first, defaultColors, defaultColors, testFragments, opLineTests.get());
3637         }
3638
3639         return opLineTests.release();
3640 }
3641
3642 tcu::TestCaseGroup* createOpConstantNullTests(tcu::TestContext& testCtx)
3643 {
3644         de::MovePtr<tcu::TestCaseGroup> opConstantNullTests             (new tcu::TestCaseGroup(testCtx, "opconstantnull", "OpConstantNull instruction"));
3645         RGBA                                                    colors[4];
3646
3647
3648         const char                                              functionStart[] =
3649                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
3650                 "%param1 = OpFunctionParameter %v4f32\n"
3651                 "%lbl    = OpLabel\n";
3652
3653         const char                                              functionEnd[]   =
3654                 "OpReturnValue %transformed_param\n"
3655                 "OpFunctionEnd\n";
3656
3657         struct NameConstantsCode
3658         {
3659                 string name;
3660                 string constants;
3661                 string code;
3662         };
3663
3664         NameConstantsCode tests[] =
3665         {
3666                 {
3667                         "vec4",
3668                         "%cnull = OpConstantNull %v4f32\n",
3669                         "%transformed_param = OpFAdd %v4f32 %param1 %cnull\n"
3670                 },
3671                 {
3672                         "float",
3673                         "%cnull = OpConstantNull %f32\n",
3674                         "%vp = OpVariable %fp_v4f32 Function\n"
3675                         "%v  = OpLoad %v4f32 %vp\n"
3676                         "%v0 = OpVectorInsertDynamic %v4f32 %v %cnull %c_i32_0\n"
3677                         "%v1 = OpVectorInsertDynamic %v4f32 %v0 %cnull %c_i32_1\n"
3678                         "%v2 = OpVectorInsertDynamic %v4f32 %v1 %cnull %c_i32_2\n"
3679                         "%v3 = OpVectorInsertDynamic %v4f32 %v2 %cnull %c_i32_3\n"
3680                         "%transformed_param = OpFAdd %v4f32 %param1 %v3\n"
3681                 },
3682                 {
3683                         "bool",
3684                         "%cnull             = OpConstantNull %bool\n",
3685                         "%v                 = OpVariable %fp_v4f32 Function\n"
3686                         "                     OpStore %v %param1\n"
3687                         "                     OpSelectionMerge %false_label None\n"
3688                         "                     OpBranchConditional %cnull %true_label %false_label\n"
3689                         "%true_label        = OpLabel\n"
3690                         "                     OpStore %v %c_v4f32_0_5_0_5_0_5_0_5\n"
3691                         "                     OpBranch %false_label\n"
3692                         "%false_label       = OpLabel\n"
3693                         "%transformed_param = OpLoad %v4f32 %v\n"
3694                 },
3695                 {
3696                         "i32",
3697                         "%cnull             = OpConstantNull %i32\n",
3698                         "%v                 = OpVariable %fp_v4f32 Function %c_v4f32_0_5_0_5_0_5_0_5\n"
3699                         "%b                 = OpIEqual %bool %cnull %c_i32_0\n"
3700                         "                     OpSelectionMerge %false_label None\n"
3701                         "                     OpBranchConditional %b %true_label %false_label\n"
3702                         "%true_label        = OpLabel\n"
3703                         "                     OpStore %v %param1\n"
3704                         "                     OpBranch %false_label\n"
3705                         "%false_label       = OpLabel\n"
3706                         "%transformed_param = OpLoad %v4f32 %v\n"
3707                 },
3708                 {
3709                         "struct",
3710                         "%stype             = OpTypeStruct %f32 %v4f32\n"
3711                         "%fp_stype          = OpTypePointer Function %stype\n"
3712                         "%cnull             = OpConstantNull %stype\n",
3713                         "%v                 = OpVariable %fp_stype Function %cnull\n"
3714                         "%f                 = OpAccessChain %fp_v4f32 %v %c_i32_1\n"
3715                         "%f_val             = OpLoad %v4f32 %f\n"
3716                         "%transformed_param = OpFAdd %v4f32 %param1 %f_val\n"
3717                 },
3718                 {
3719                         "array",
3720                         "%a4_v4f32          = OpTypeArray %v4f32 %c_u32_4\n"
3721                         "%fp_a4_v4f32       = OpTypePointer Function %a4_v4f32\n"
3722                         "%cnull             = OpConstantNull %a4_v4f32\n",
3723                         "%v                 = OpVariable %fp_a4_v4f32 Function %cnull\n"
3724                         "%f                 = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
3725                         "%f1                = OpAccessChain %fp_v4f32 %v %c_u32_1\n"
3726                         "%f2                = OpAccessChain %fp_v4f32 %v %c_u32_2\n"
3727                         "%f3                = OpAccessChain %fp_v4f32 %v %c_u32_3\n"
3728                         "%f_val             = OpLoad %v4f32 %f\n"
3729                         "%f1_val            = OpLoad %v4f32 %f1\n"
3730                         "%f2_val            = OpLoad %v4f32 %f2\n"
3731                         "%f3_val            = OpLoad %v4f32 %f3\n"
3732                         "%t0                = OpFAdd %v4f32 %param1 %f_val\n"
3733                         "%t1                = OpFAdd %v4f32 %t0 %f1_val\n"
3734                         "%t2                = OpFAdd %v4f32 %t1 %f2_val\n"
3735                         "%transformed_param = OpFAdd %v4f32 %t2 %f3_val\n"
3736                 },
3737                 {
3738                         "matrix",
3739                         "%mat4x4_f32        = OpTypeMatrix %v4f32 4\n"
3740                         "%cnull             = OpConstantNull %mat4x4_f32\n",
3741                         // Our null matrix * any vector should result in a zero vector.
3742                         "%v                 = OpVectorTimesMatrix %v4f32 %param1 %cnull\n"
3743                         "%transformed_param = OpFAdd %v4f32 %param1 %v\n"
3744                 }
3745         };
3746
3747         getHalfColorsFullAlpha(colors);
3748
3749         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
3750         {
3751                 map<string, string> fragments;
3752                 fragments["pre_main"] = tests[testNdx].constants;
3753                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
3754                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, opConstantNullTests.get());
3755         }
3756         return opConstantNullTests.release();
3757 }
3758 tcu::TestCaseGroup* createOpConstantCompositeTests(tcu::TestContext& testCtx)
3759 {
3760         de::MovePtr<tcu::TestCaseGroup> opConstantCompositeTests                (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "OpConstantComposite instruction"));
3761         RGBA                                                    inputColors[4];
3762         RGBA                                                    outputColors[4];
3763
3764
3765         const char                                              functionStart[]  =
3766                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
3767                 "%param1 = OpFunctionParameter %v4f32\n"
3768                 "%lbl    = OpLabel\n";
3769
3770         const char                                              functionEnd[]           =
3771                 "OpReturnValue %transformed_param\n"
3772                 "OpFunctionEnd\n";
3773
3774         struct NameConstantsCode
3775         {
3776                 string name;
3777                 string constants;
3778                 string code;
3779         };
3780
3781         NameConstantsCode tests[] =
3782         {
3783                 {
3784                         "vec4",
3785
3786                         "%cval              = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0\n",
3787                         "%transformed_param = OpFAdd %v4f32 %param1 %cval\n"
3788                 },
3789                 {
3790                         "struct",
3791
3792                         "%stype             = OpTypeStruct %v4f32 %f32\n"
3793                         "%fp_stype          = OpTypePointer Function %stype\n"
3794                         "%f32_n_1           = OpConstant %f32 -1.0\n"
3795                         "%f32_1_5           = OpConstant %f32 !0x3fc00000\n" // +1.5
3796                         "%cvec              = OpConstantComposite %v4f32 %f32_1_5 %f32_1_5 %f32_1_5 %c_f32_1\n"
3797                         "%cval              = OpConstantComposite %stype %cvec %f32_n_1\n",
3798
3799                         "%v                 = OpVariable %fp_stype Function %cval\n"
3800                         "%vec_ptr           = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
3801                         "%f32_ptr           = OpAccessChain %fp_f32 %v %c_u32_1\n"
3802                         "%vec_val           = OpLoad %v4f32 %vec_ptr\n"
3803                         "%f32_val           = OpLoad %f32 %f32_ptr\n"
3804                         "%tmp1              = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_1 %f32_val\n" // vec4(-1)
3805                         "%tmp2              = OpFAdd %v4f32 %tmp1 %param1\n" // param1 + vec4(-1)
3806                         "%transformed_param = OpFAdd %v4f32 %tmp2 %vec_val\n" // param1 + vec4(-1) + vec4(1.5, 1.5, 1.5, 1.0)
3807                 },
3808                 {
3809                         // [1|0|0|0.5] [x] = x + 0.5
3810                         // [0|1|0|0.5] [y] = y + 0.5
3811                         // [0|0|1|0.5] [z] = z + 0.5
3812                         // [0|0|0|1  ] [1] = 1
3813                         "matrix",
3814
3815                         "%mat4x4_f32          = OpTypeMatrix %v4f32 4\n"
3816                     "%v4f32_1_0_0_0       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_0\n"
3817                     "%v4f32_0_1_0_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_1 %c_f32_0 %c_f32_0\n"
3818                     "%v4f32_0_0_1_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_1 %c_f32_0\n"
3819                     "%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"
3820                         "%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",
3821
3822                         "%transformed_param   = OpMatrixTimesVector %v4f32 %cval %param1\n"
3823                 },
3824                 {
3825                         "array",
3826
3827                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
3828                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
3829                         "%f32_n_1             = OpConstant %f32 -1.0\n"
3830                         "%f32_1_5             = OpConstant %f32 !0x3fc00000\n" // +1.5
3831                         "%carr                = OpConstantComposite %a4f32 %c_f32_0 %f32_n_1 %f32_1_5 %c_f32_0\n",
3832
3833                         "%v                   = OpVariable %fp_a4f32 Function %carr\n"
3834                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_0\n"
3835                         "%f1                  = OpAccessChain %fp_f32 %v %c_u32_1\n"
3836                         "%f2                  = OpAccessChain %fp_f32 %v %c_u32_2\n"
3837                         "%f3                  = OpAccessChain %fp_f32 %v %c_u32_3\n"
3838                         "%f_val               = OpLoad %f32 %f\n"
3839                         "%f1_val              = OpLoad %f32 %f1\n"
3840                         "%f2_val              = OpLoad %f32 %f2\n"
3841                         "%f3_val              = OpLoad %f32 %f3\n"
3842                         "%ftot1               = OpFAdd %f32 %f_val %f1_val\n"
3843                         "%ftot2               = OpFAdd %f32 %ftot1 %f2_val\n"
3844                         "%ftot3               = OpFAdd %f32 %ftot2 %f3_val\n"  // 0 - 1 + 1.5 + 0
3845                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %ftot3\n"
3846                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
3847                 },
3848                 {
3849                         //
3850                         // [
3851                         //   {
3852                         //      0.0,
3853                         //      [ 1.0, 1.0, 1.0, 1.0]
3854                         //   },
3855                         //   {
3856                         //      1.0,
3857                         //      [ 0.0, 0.5, 0.0, 0.0]
3858                         //   }, //     ^^^
3859                         //   {
3860                         //      0.0,
3861                         //      [ 1.0, 1.0, 1.0, 1.0]
3862                         //   }
3863                         // ]
3864                         "array_of_struct_of_array",
3865
3866                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
3867                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
3868                         "%stype               = OpTypeStruct %f32 %a4f32\n"
3869                         "%a3stype             = OpTypeArray %stype %c_u32_3\n"
3870                         "%fp_a3stype          = OpTypePointer Function %a3stype\n"
3871                         "%ca4f32_0            = OpConstantComposite %a4f32 %c_f32_0 %c_f32_0_5 %c_f32_0 %c_f32_0\n"
3872                         "%ca4f32_1            = OpConstantComposite %a4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
3873                         "%cstype1             = OpConstantComposite %stype %c_f32_0 %ca4f32_1\n"
3874                         "%cstype2             = OpConstantComposite %stype %c_f32_1 %ca4f32_0\n"
3875                         "%carr                = OpConstantComposite %a3stype %cstype1 %cstype2 %cstype1",
3876
3877                         "%v                   = OpVariable %fp_a3stype Function %carr\n"
3878                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_1 %c_u32_1 %c_u32_1\n"
3879                         "%f_l                 = OpLoad %f32 %f\n"
3880                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %f_l\n"
3881                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
3882                 }
3883         };
3884
3885         getHalfColorsFullAlpha(inputColors);
3886         outputColors[0] = RGBA(255, 255, 255, 255);
3887         outputColors[1] = RGBA(255, 127, 127, 255);
3888         outputColors[2] = RGBA(127, 255, 127, 255);
3889         outputColors[3] = RGBA(127, 127, 255, 255);
3890
3891         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
3892         {
3893                 map<string, string> fragments;
3894                 fragments["pre_main"] = tests[testNdx].constants;
3895                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
3896                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, opConstantCompositeTests.get());
3897         }
3898         return opConstantCompositeTests.release();
3899 }
3900
3901 tcu::TestCaseGroup* createSelectionBlockOrderTests(tcu::TestContext& testCtx)
3902 {
3903         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "selection_block_order", "Out-of-order blocks for selection"));
3904         RGBA                                                    inputColors[4];
3905         RGBA                                                    outputColors[4];
3906         map<string, string>                             fragments;
3907
3908         // vec4 test_code(vec4 param) {
3909         //   vec4 result = param;
3910         //   for (int i = 0; i < 4; ++i) {
3911         //     if (i == 0) result[i] = 0.;
3912         //     else        result[i] = 1. - result[i];
3913         //   }
3914         //   return result;
3915         // }
3916         const char                                              function[]                      =
3917                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
3918                 "%param1    = OpFunctionParameter %v4f32\n"
3919                 "%lbl       = OpLabel\n"
3920                 "%iptr      = OpVariable %fp_i32 Function\n"
3921                 "%result    = OpVariable %fp_v4f32 Function\n"
3922                 "             OpStore %iptr %c_i32_0\n"
3923                 "             OpStore %result %param1\n"
3924                 "             OpBranch %loop\n"
3925
3926                 // Loop entry block.
3927                 "%loop      = OpLabel\n"
3928                 "%ival      = OpLoad %i32 %iptr\n"
3929                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
3930                 "             OpLoopMerge %exit %if_entry None\n"
3931                 "             OpBranchConditional %lt_4 %if_entry %exit\n"
3932
3933                 // Merge block for loop.
3934                 "%exit      = OpLabel\n"
3935                 "%ret       = OpLoad %v4f32 %result\n"
3936                 "             OpReturnValue %ret\n"
3937
3938                 // If-statement entry block.
3939                 "%if_entry  = OpLabel\n"
3940                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
3941                 "%eq_0      = OpIEqual %bool %ival %c_i32_0\n"
3942                 "             OpSelectionMerge %if_exit None\n"
3943                 "             OpBranchConditional %eq_0 %if_true %if_false\n"
3944
3945                 // False branch for if-statement.
3946                 "%if_false  = OpLabel\n"
3947                 "%val       = OpLoad %f32 %loc\n"
3948                 "%sub       = OpFSub %f32 %c_f32_1 %val\n"
3949                 "             OpStore %loc %sub\n"
3950                 "             OpBranch %if_exit\n"
3951
3952                 // Merge block for if-statement.
3953                 "%if_exit   = OpLabel\n"
3954                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
3955                 "             OpStore %iptr %ival_next\n"
3956                 "             OpBranch %loop\n"
3957
3958                 // True branch for if-statement.
3959                 "%if_true   = OpLabel\n"
3960                 "             OpStore %loc %c_f32_0\n"
3961                 "             OpBranch %if_exit\n"
3962
3963                 "             OpFunctionEnd\n";
3964
3965         fragments["testfun"]    = function;
3966
3967         inputColors[0]                  = RGBA(127, 127, 127, 0);
3968         inputColors[1]                  = RGBA(127, 0,   0,   0);
3969         inputColors[2]                  = RGBA(0,   127, 0,   0);
3970         inputColors[3]                  = RGBA(0,   0,   127, 0);
3971
3972         outputColors[0]                 = RGBA(0, 128, 128, 255);
3973         outputColors[1]                 = RGBA(0, 255, 255, 255);
3974         outputColors[2]                 = RGBA(0, 128, 255, 255);
3975         outputColors[3]                 = RGBA(0, 255, 128, 255);
3976
3977         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
3978
3979         return group.release();
3980 }
3981
3982 tcu::TestCaseGroup* createSwitchBlockOrderTests(tcu::TestContext& testCtx)
3983 {
3984         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "switch_block_order", "Out-of-order blocks for switch"));
3985         RGBA                                                    inputColors[4];
3986         RGBA                                                    outputColors[4];
3987         map<string, string>                             fragments;
3988
3989         const char                                              typesAndConstants[]     =
3990                 "%c_f32_p2  = OpConstant %f32 0.2\n"
3991                 "%c_f32_p4  = OpConstant %f32 0.4\n"
3992                 "%c_f32_p6  = OpConstant %f32 0.6\n"
3993                 "%c_f32_p8  = OpConstant %f32 0.8\n";
3994
3995         // vec4 test_code(vec4 param) {
3996         //   vec4 result = param;
3997         //   for (int i = 0; i < 4; ++i) {
3998         //     switch (i) {
3999         //       case 0: result[i] += .2; break;
4000         //       case 1: result[i] += .6; break;
4001         //       case 2: result[i] += .4; break;
4002         //       case 3: result[i] += .8; break;
4003         //       default: break; // unreachable
4004         //     }
4005         //   }
4006         //   return result;
4007         // }
4008         const char                                              function[]                      =
4009                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4010                 "%param1    = OpFunctionParameter %v4f32\n"
4011                 "%lbl       = OpLabel\n"
4012                 "%iptr      = OpVariable %fp_i32 Function\n"
4013                 "%result    = OpVariable %fp_v4f32 Function\n"
4014                 "             OpStore %iptr %c_i32_0\n"
4015                 "             OpStore %result %param1\n"
4016                 "             OpBranch %loop\n"
4017
4018                 // Loop entry block.
4019                 "%loop      = OpLabel\n"
4020                 "%ival      = OpLoad %i32 %iptr\n"
4021                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
4022                 "             OpLoopMerge %exit %switch_exit None\n"
4023                 "             OpBranchConditional %lt_4 %switch_entry %exit\n"
4024
4025                 // Merge block for loop.
4026                 "%exit      = OpLabel\n"
4027                 "%ret       = OpLoad %v4f32 %result\n"
4028                 "             OpReturnValue %ret\n"
4029
4030                 // Switch-statement entry block.
4031                 "%switch_entry   = OpLabel\n"
4032                 "%loc            = OpAccessChain %fp_f32 %result %ival\n"
4033                 "%val            = OpLoad %f32 %loc\n"
4034                 "                  OpSelectionMerge %switch_exit None\n"
4035                 "                  OpSwitch %ival %switch_default 0 %case0 1 %case1 2 %case2 3 %case3\n"
4036
4037                 "%case2          = OpLabel\n"
4038                 "%addp4          = OpFAdd %f32 %val %c_f32_p4\n"
4039                 "                  OpStore %loc %addp4\n"
4040                 "                  OpBranch %switch_exit\n"
4041
4042                 "%switch_default = OpLabel\n"
4043                 "                  OpUnreachable\n"
4044
4045                 "%case3          = OpLabel\n"
4046                 "%addp8          = OpFAdd %f32 %val %c_f32_p8\n"
4047                 "                  OpStore %loc %addp8\n"
4048                 "                  OpBranch %switch_exit\n"
4049
4050                 "%case0          = OpLabel\n"
4051                 "%addp2          = OpFAdd %f32 %val %c_f32_p2\n"
4052                 "                  OpStore %loc %addp2\n"
4053                 "                  OpBranch %switch_exit\n"
4054
4055                 // Merge block for switch-statement.
4056                 "%switch_exit    = OpLabel\n"
4057                 "%ival_next      = OpIAdd %i32 %ival %c_i32_1\n"
4058                 "                  OpStore %iptr %ival_next\n"
4059                 "                  OpBranch %loop\n"
4060
4061                 "%case1          = OpLabel\n"
4062                 "%addp6          = OpFAdd %f32 %val %c_f32_p6\n"
4063                 "                  OpStore %loc %addp6\n"
4064                 "                  OpBranch %switch_exit\n"
4065
4066                 "                  OpFunctionEnd\n";
4067
4068         fragments["pre_main"]   = typesAndConstants;
4069         fragments["testfun"]    = function;
4070
4071         inputColors[0]                  = RGBA(127, 27,  127, 51);
4072         inputColors[1]                  = RGBA(127, 0,   0,   51);
4073         inputColors[2]                  = RGBA(0,   27,  0,   51);
4074         inputColors[3]                  = RGBA(0,   0,   127, 51);
4075
4076         outputColors[0]                 = RGBA(178, 180, 229, 255);
4077         outputColors[1]                 = RGBA(178, 153, 102, 255);
4078         outputColors[2]                 = RGBA(51,  180, 102, 255);
4079         outputColors[3]                 = RGBA(51,  153, 229, 255);
4080
4081         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
4082
4083         return group.release();
4084 }
4085
4086 tcu::TestCaseGroup* createDecorationGroupTests(tcu::TestContext& testCtx)
4087 {
4088         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "decoration_group", "Decoration group tests"));
4089         RGBA                                                    inputColors[4];
4090         RGBA                                                    outputColors[4];
4091         map<string, string>                             fragments;
4092
4093         const char                                              decorations[]           =
4094                 "OpDecorate %array_group         ArrayStride 4\n"
4095                 "OpDecorate %struct_member_group Offset 0\n"
4096                 "%array_group         = OpDecorationGroup\n"
4097                 "%struct_member_group = OpDecorationGroup\n"
4098
4099                 "OpDecorate %group1 RelaxedPrecision\n"
4100                 "OpDecorate %group3 RelaxedPrecision\n"
4101                 "OpDecorate %group3 Invariant\n"
4102                 "OpDecorate %group3 Restrict\n"
4103                 "%group0 = OpDecorationGroup\n"
4104                 "%group1 = OpDecorationGroup\n"
4105                 "%group3 = OpDecorationGroup\n";
4106
4107         const char                                              typesAndConstants[]     =
4108                 "%a3f32     = OpTypeArray %f32 %c_u32_3\n"
4109                 "%struct1   = OpTypeStruct %a3f32\n"
4110                 "%struct2   = OpTypeStruct %a3f32\n"
4111                 "%fp_struct1 = OpTypePointer Function %struct1\n"
4112                 "%fp_struct2 = OpTypePointer Function %struct2\n"
4113                 "%c_f32_2    = OpConstant %f32 2.\n"
4114                 "%c_f32_n2   = OpConstant %f32 -2.\n"
4115
4116                 "%c_a3f32_1 = OpConstantComposite %a3f32 %c_f32_1 %c_f32_2 %c_f32_1\n"
4117                 "%c_a3f32_2 = OpConstantComposite %a3f32 %c_f32_n1 %c_f32_n2 %c_f32_n1\n"
4118                 "%c_struct1 = OpConstantComposite %struct1 %c_a3f32_1\n"
4119                 "%c_struct2 = OpConstantComposite %struct2 %c_a3f32_2\n";
4120
4121         const char                                              function[]                      =
4122                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4123                 "%param     = OpFunctionParameter %v4f32\n"
4124                 "%entry     = OpLabel\n"
4125                 "%result    = OpVariable %fp_v4f32 Function\n"
4126                 "%v_struct1 = OpVariable %fp_struct1 Function\n"
4127                 "%v_struct2 = OpVariable %fp_struct2 Function\n"
4128                 "             OpStore %result %param\n"
4129                 "             OpStore %v_struct1 %c_struct1\n"
4130                 "             OpStore %v_struct2 %c_struct2\n"
4131                 "%ptr1      = OpAccessChain %fp_f32 %v_struct1 %c_i32_0 %c_i32_2\n"
4132                 "%val1      = OpLoad %f32 %ptr1\n"
4133                 "%ptr2      = OpAccessChain %fp_f32 %v_struct2 %c_i32_0 %c_i32_2\n"
4134                 "%val2      = OpLoad %f32 %ptr2\n"
4135                 "%addvalues = OpFAdd %f32 %val1 %val2\n"
4136                 "%ptr       = OpAccessChain %fp_f32 %result %c_i32_1\n"
4137                 "%val       = OpLoad %f32 %ptr\n"
4138                 "%addresult = OpFAdd %f32 %addvalues %val\n"
4139                 "             OpStore %ptr %addresult\n"
4140                 "%ret       = OpLoad %v4f32 %result\n"
4141                 "             OpReturnValue %ret\n"
4142                 "             OpFunctionEnd\n";
4143
4144         struct CaseNameDecoration
4145         {
4146                 string name;
4147                 string decoration;
4148         };
4149
4150         CaseNameDecoration tests[] =
4151         {
4152                 {
4153                         "same_decoration_group_on_multiple_types",
4154                         "OpGroupMemberDecorate %struct_member_group %struct1 0 %struct2 0\n"
4155                 },
4156                 {
4157                         "empty_decoration_group",
4158                         "OpGroupDecorate %group0      %a3f32\n"
4159                         "OpGroupDecorate %group0      %result\n"
4160                 },
4161                 {
4162                         "one_element_decoration_group",
4163                         "OpGroupDecorate %array_group %a3f32\n"
4164                 },
4165                 {
4166                         "multiple_elements_decoration_group",
4167                         "OpGroupDecorate %group3      %v_struct1\n"
4168                 },
4169                 {
4170                         "multiple_decoration_groups_on_same_variable",
4171                         "OpGroupDecorate %group0      %v_struct2\n"
4172                         "OpGroupDecorate %group1      %v_struct2\n"
4173                         "OpGroupDecorate %group3      %v_struct2\n"
4174                 },
4175                 {
4176                         "same_decoration_group_multiple_times",
4177                         "OpGroupDecorate %group1      %addvalues\n"
4178                         "OpGroupDecorate %group1      %addvalues\n"
4179                         "OpGroupDecorate %group1      %addvalues\n"
4180                 },
4181
4182         };
4183
4184         getHalfColorsFullAlpha(inputColors);
4185         getHalfColorsFullAlpha(outputColors);
4186
4187         for (size_t idx = 0; idx < (sizeof(tests) / sizeof(tests[0])); ++idx)
4188         {
4189                 fragments["decoration"] = decorations + tests[idx].decoration;
4190                 fragments["pre_main"]   = typesAndConstants;
4191                 fragments["testfun"]    = function;
4192
4193                 createTestsForAllStages(tests[idx].name, inputColors, outputColors, fragments, group.get());
4194         }
4195
4196         return group.release();
4197 }
4198
4199 struct SpecConstantTwoIntGraphicsCase
4200 {
4201         const char*             caseName;
4202         const char*             scDefinition0;
4203         const char*             scDefinition1;
4204         const char*             scResultType;
4205         const char*             scOperation;
4206         deInt32                 scActualValue0;
4207         deInt32                 scActualValue1;
4208         const char*             resultOperation;
4209         RGBA                    expectedColors[4];
4210
4211                                         SpecConstantTwoIntGraphicsCase (const char* name,
4212                                                                                         const char* definition0,
4213                                                                                         const char* definition1,
4214                                                                                         const char* resultType,
4215                                                                                         const char* operation,
4216                                                                                         deInt32         value0,
4217                                                                                         deInt32         value1,
4218                                                                                         const char* resultOp,
4219                                                                                         const RGBA      (&output)[4])
4220                                                 : caseName                      (name)
4221                                                 , scDefinition0         (definition0)
4222                                                 , scDefinition1         (definition1)
4223                                                 , scResultType          (resultType)
4224                                                 , scOperation           (operation)
4225                                                 , scActualValue0        (value0)
4226                                                 , scActualValue1        (value1)
4227                                                 , resultOperation       (resultOp)
4228         {
4229                 expectedColors[0] = output[0];
4230                 expectedColors[1] = output[1];
4231                 expectedColors[2] = output[2];
4232                 expectedColors[3] = output[3];
4233         }
4234 };
4235
4236 tcu::TestCaseGroup* createSpecConstantTests (tcu::TestContext& testCtx)
4237 {
4238         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
4239         vector<SpecConstantTwoIntGraphicsCase>  cases;
4240         RGBA                                                    inputColors[4];
4241         RGBA                                                    outputColors0[4];
4242         RGBA                                                    outputColors1[4];
4243         RGBA                                                    outputColors2[4];
4244
4245         const char      decorations1[]                  =
4246                 "OpDecorate %sc_0  SpecId 0\n"
4247                 "OpDecorate %sc_1  SpecId 1\n";
4248
4249         const char      typesAndConstants1[]    =
4250                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
4251                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
4252                 "%sc_op     = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n";
4253
4254         const char      function1[]                             =
4255                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4256                 "%param     = OpFunctionParameter %v4f32\n"
4257                 "%label     = OpLabel\n"
4258                 "%result    = OpVariable %fp_v4f32 Function\n"
4259                 "             OpStore %result %param\n"
4260                 "%gen       = ${GEN_RESULT}\n"
4261                 "%index     = OpIAdd %i32 %gen %c_i32_1\n"
4262                 "%loc       = OpAccessChain %fp_f32 %result %index\n"
4263                 "%val       = OpLoad %f32 %loc\n"
4264                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
4265                 "             OpStore %loc %add\n"
4266                 "%ret       = OpLoad %v4f32 %result\n"
4267                 "             OpReturnValue %ret\n"
4268                 "             OpFunctionEnd\n";
4269
4270         inputColors[0] = RGBA(127, 127, 127, 255);
4271         inputColors[1] = RGBA(127, 0,   0,   255);
4272         inputColors[2] = RGBA(0,   127, 0,   255);
4273         inputColors[3] = RGBA(0,   0,   127, 255);
4274
4275         // Derived from inputColors[x] by adding 128 to inputColors[x][0].
4276         outputColors0[0] = RGBA(255, 127, 127, 255);
4277         outputColors0[1] = RGBA(255, 0,   0,   255);
4278         outputColors0[2] = RGBA(128, 127, 0,   255);
4279         outputColors0[3] = RGBA(128, 0,   127, 255);
4280
4281         // Derived from inputColors[x] by adding 128 to inputColors[x][1].
4282         outputColors1[0] = RGBA(127, 255, 127, 255);
4283         outputColors1[1] = RGBA(127, 128, 0,   255);
4284         outputColors1[2] = RGBA(0,   255, 0,   255);
4285         outputColors1[3] = RGBA(0,   128, 127, 255);
4286
4287         // Derived from inputColors[x] by adding 128 to inputColors[x][2].
4288         outputColors2[0] = RGBA(127, 127, 255, 255);
4289         outputColors2[1] = RGBA(127, 0,   128, 255);
4290         outputColors2[2] = RGBA(0,   127, 128, 255);
4291         outputColors2[3] = RGBA(0,   0,   255, 255);
4292
4293         const char addZeroToSc[]                = "OpIAdd %i32 %c_i32_0 %sc_op";
4294         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_op %c_i32_1 %c_i32_0";
4295         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_op %c_i32_0 %c_i32_1";
4296
4297         cases.push_back(SpecConstantTwoIntGraphicsCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                             19,             -20,    addZeroToSc,            outputColors0));
4298         cases.push_back(SpecConstantTwoIntGraphicsCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                             19,             20,             addZeroToSc,            outputColors0));
4299         cases.push_back(SpecConstantTwoIntGraphicsCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                             -1,             -1,             addZeroToSc,            outputColors2));
4300         cases.push_back(SpecConstantTwoIntGraphicsCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                             -126,   126,    addZeroToSc,            outputColors0));
4301         cases.push_back(SpecConstantTwoIntGraphicsCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                             126,    126,    addZeroToSc,            outputColors2));
4302         cases.push_back(SpecConstantTwoIntGraphicsCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
4303         cases.push_back(SpecConstantTwoIntGraphicsCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
4304         cases.push_back(SpecConstantTwoIntGraphicsCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                             1001,   500,    addZeroToSc,            outputColors2));
4305         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                             0x33,   0x0d,   addZeroToSc,            outputColors2));
4306         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                             0,              1,              addZeroToSc,            outputColors2));
4307         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                             0x2e,   0x2f,   addZeroToSc,            outputColors2));
4308         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                             2,              1,              addZeroToSc,            outputColors2));
4309         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                             -4,             2,              addZeroToSc,            outputColors0));
4310         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                             1,              0,              addZeroToSc,            outputColors2));
4311         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                             -20,    -10,    selectTrueUsingSc,      outputColors2));
4312         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                             10,             20,             selectTrueUsingSc,      outputColors2));
4313         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
4314         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                             10,             5,              selectTrueUsingSc,      outputColors2));
4315         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                             -10,    -10,    selectTrueUsingSc,      outputColors2));
4316         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                             50,             100,    selectTrueUsingSc,      outputColors2));
4317         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
4318         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                             10,             10,             selectTrueUsingSc,      outputColors2));
4319         cases.push_back(SpecConstantTwoIntGraphicsCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                             42,             24,             selectFalseUsingSc,     outputColors2));
4320         cases.push_back(SpecConstantTwoIntGraphicsCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
4321         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
4322         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
4323         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
4324         cases.push_back(SpecConstantTwoIntGraphicsCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                                   -1,             0,              addZeroToSc,            outputColors2));
4325         cases.push_back(SpecConstantTwoIntGraphicsCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                                   -2,             0,              addZeroToSc,            outputColors2));
4326         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                                   1,              0,              selectFalseUsingSc,     outputColors2));
4327         cases.push_back(SpecConstantTwoIntGraphicsCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %c_i32_0",    1,              1,              addZeroToSc,            outputColors2));
4328         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
4329         // \todo[2015-12-1 antiagainst] OpQuantizeToF16
4330
4331         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
4332         {
4333                 map<string, string>     specializations;
4334                 map<string, string>     fragments;
4335                 vector<deInt32>         specConstants;
4336
4337                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
4338                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
4339                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
4340                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
4341                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
4342
4343                 fragments["decoration"]                         = tcu::StringTemplate(decorations1).specialize(specializations);
4344                 fragments["pre_main"]                           = tcu::StringTemplate(typesAndConstants1).specialize(specializations);
4345                 fragments["testfun"]                            = tcu::StringTemplate(function1).specialize(specializations);
4346
4347                 specConstants.push_back(cases[caseNdx].scActualValue0);
4348                 specConstants.push_back(cases[caseNdx].scActualValue1);
4349
4350                 createTestsForAllStages(cases[caseNdx].caseName, inputColors, cases[caseNdx].expectedColors, fragments, specConstants, group.get());
4351         }
4352
4353         const char      decorations2[]                  =
4354                 "OpDecorate %sc_0  SpecId 0\n"
4355                 "OpDecorate %sc_1  SpecId 1\n"
4356                 "OpDecorate %sc_2  SpecId 2\n";
4357
4358         const char      typesAndConstants2[]    =
4359                 "%v3i32     = OpTypeVector %i32 3\n"
4360
4361                 "%sc_0      = OpSpecConstant %i32 0\n"
4362                 "%sc_1      = OpSpecConstant %i32 0\n"
4363                 "%sc_2      = OpSpecConstant %i32 0\n"
4364
4365                 "%vec3_0      = OpConstantComposite %v3i32 %c_i32_0 %c_i32_0 %c_i32_0\n"
4366                 "%sc_vec3_0   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_0        %vec3_0    0\n"     // (sc_0, 0, 0)
4367                 "%sc_vec3_1   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_1        %vec3_0    1\n"     // (0, sc_1, 0)
4368                 "%sc_vec3_2   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_2        %vec3_0    2\n"     // (0, 0, sc_2)
4369                 "%sc_vec3_01  = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0   %sc_vec3_1 1 0 4\n" // (0,    sc_0, sc_1)
4370                 "%sc_vec3_012 = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_01  %sc_vec3_2 5 1 2\n" // (sc_2, sc_0, sc_1)
4371                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            0\n"     // sc_2
4372                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            1\n"     // sc_0
4373                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            2\n"     // sc_1
4374                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"        // (sc_2 - sc_0)
4375                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n";       // (sc_2 - sc_0) * sc_1
4376
4377         const char      function2[]                             =
4378                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4379                 "%param     = OpFunctionParameter %v4f32\n"
4380                 "%label     = OpLabel\n"
4381                 "%result    = OpVariable %fp_v4f32 Function\n"
4382                 "             OpStore %result %param\n"
4383                 "%loc       = OpAccessChain %fp_f32 %result %sc_final\n"
4384                 "%val       = OpLoad %f32 %loc\n"
4385                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
4386                 "             OpStore %loc %add\n"
4387                 "%ret       = OpLoad %v4f32 %result\n"
4388                 "             OpReturnValue %ret\n"
4389                 "             OpFunctionEnd\n";
4390
4391         map<string, string>     fragments;
4392         vector<deInt32>         specConstants;
4393
4394         fragments["decoration"] = decorations2;
4395         fragments["pre_main"]   = typesAndConstants2;
4396         fragments["testfun"]    = function2;
4397
4398         specConstants.push_back(56789);
4399         specConstants.push_back(-2);
4400         specConstants.push_back(56788);
4401
4402         createTestsForAllStages("vector_related", inputColors, outputColors2, fragments, specConstants, group.get());
4403
4404         return group.release();
4405 }
4406
4407 tcu::TestCaseGroup* createOpPhiTests(tcu::TestContext& testCtx)
4408 {
4409         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
4410         RGBA                                                    inputColors[4];
4411         RGBA                                                    outputColors1[4];
4412         RGBA                                                    outputColors2[4];
4413         RGBA                                                    outputColors3[4];
4414         map<string, string>                             fragments1;
4415         map<string, string>                             fragments2;
4416         map<string, string>                             fragments3;
4417
4418         const char      typesAndConstants1[]    =
4419                 "%c_f32_p2  = OpConstant %f32 0.2\n"
4420                 "%c_f32_p4  = OpConstant %f32 0.4\n"
4421                 "%c_f32_p5  = OpConstant %f32 0.5\n"
4422                 "%c_f32_p8  = OpConstant %f32 0.8\n";
4423
4424         // vec4 test_code(vec4 param) {
4425         //   vec4 result = param;
4426         //   for (int i = 0; i < 4; ++i) {
4427         //     float operand;
4428         //     switch (i) {
4429         //       case 0: operand = .2; break;
4430         //       case 1: operand = .5; break;
4431         //       case 2: operand = .4; break;
4432         //       case 3: operand = .0; break;
4433         //       default: break; // unreachable
4434         //     }
4435         //     result[i] += operand;
4436         //   }
4437         //   return result;
4438         // }
4439         const char      function1[]                             =
4440                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4441                 "%param1    = OpFunctionParameter %v4f32\n"
4442                 "%lbl       = OpLabel\n"
4443                 "%iptr      = OpVariable %fp_i32 Function\n"
4444                 "%result    = OpVariable %fp_v4f32 Function\n"
4445                 "             OpStore %iptr %c_i32_0\n"
4446                 "             OpStore %result %param1\n"
4447                 "             OpBranch %loop\n"
4448
4449                 "%loop      = OpLabel\n"
4450                 "%ival      = OpLoad %i32 %iptr\n"
4451                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
4452                 "             OpLoopMerge %exit %phi None\n"
4453                 "             OpBranchConditional %lt_4 %entry %exit\n"
4454
4455                 "%entry     = OpLabel\n"
4456                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
4457                 "%val       = OpLoad %f32 %loc\n"
4458                 "             OpSelectionMerge %phi None\n"
4459                 "             OpSwitch %ival %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
4460
4461                 "%case0     = OpLabel\n"
4462                 "             OpBranch %phi\n"
4463                 "%case1     = OpLabel\n"
4464                 "             OpBranch %phi\n"
4465                 "%case2     = OpLabel\n"
4466                 "             OpBranch %phi\n"
4467                 "%case3     = OpLabel\n"
4468                 "             OpBranch %phi\n"
4469
4470                 "%default   = OpLabel\n"
4471                 "             OpUnreachable\n"
4472
4473                 "%phi       = OpLabel\n"
4474                 "%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
4475                 "%add       = OpFAdd %f32 %val %operand\n"
4476                 "             OpStore %loc %add\n"
4477                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
4478                 "             OpStore %iptr %ival_next\n"
4479                 "             OpBranch %loop\n"
4480
4481                 "%exit      = OpLabel\n"
4482                 "%ret       = OpLoad %v4f32 %result\n"
4483                 "             OpReturnValue %ret\n"
4484
4485                 "             OpFunctionEnd\n";
4486
4487         fragments1["pre_main"]  = typesAndConstants1;
4488         fragments1["testfun"]   = function1;
4489
4490         getHalfColorsFullAlpha(inputColors);
4491
4492         outputColors1[0]                = RGBA(178, 255, 229, 255);
4493         outputColors1[1]                = RGBA(178, 127, 102, 255);
4494         outputColors1[2]                = RGBA(51,  255, 102, 255);
4495         outputColors1[3]                = RGBA(51,  127, 229, 255);
4496
4497         createTestsForAllStages("out_of_order", inputColors, outputColors1, fragments1, group.get());
4498
4499         const char      typesAndConstants2[]    =
4500                 "%c_f32_p2  = OpConstant %f32 0.2\n";
4501
4502         // Add .4 to the second element of the given parameter.
4503         const char      function2[]                             =
4504                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4505                 "%param     = OpFunctionParameter %v4f32\n"
4506                 "%entry     = OpLabel\n"
4507                 "%result    = OpVariable %fp_v4f32 Function\n"
4508                 "             OpStore %result %param\n"
4509                 "%loc       = OpAccessChain %fp_f32 %result %c_i32_1\n"
4510                 "%val       = OpLoad %f32 %loc\n"
4511                 "             OpBranch %phi\n"
4512
4513                 "%phi        = OpLabel\n"
4514                 "%step       = OpPhi %i32 %c_i32_0  %entry %step_next  %phi\n"
4515                 "%accum      = OpPhi %f32 %val      %entry %accum_next %phi\n"
4516                 "%step_next  = OpIAdd %i32 %step  %c_i32_1\n"
4517                 "%accum_next = OpFAdd %f32 %accum %c_f32_p2\n"
4518                 "%still_loop = OpSLessThan %bool %step %c_i32_2\n"
4519                 "              OpLoopMerge %exit %phi None\n"
4520                 "              OpBranchConditional %still_loop %phi %exit\n"
4521
4522                 "%exit       = OpLabel\n"
4523                 "              OpStore %loc %accum\n"
4524                 "%ret        = OpLoad %v4f32 %result\n"
4525                 "              OpReturnValue %ret\n"
4526
4527                 "              OpFunctionEnd\n";
4528
4529         fragments2["pre_main"]  = typesAndConstants2;
4530         fragments2["testfun"]   = function2;
4531
4532         outputColors2[0]                        = RGBA(127, 229, 127, 255);
4533         outputColors2[1]                        = RGBA(127, 102, 0,   255);
4534         outputColors2[2]                        = RGBA(0,   229, 0,   255);
4535         outputColors2[3]                        = RGBA(0,   102, 127, 255);
4536
4537         createTestsForAllStages("induction", inputColors, outputColors2, fragments2, group.get());
4538
4539         const char      typesAndConstants3[]    =
4540                 "%true      = OpConstantTrue %bool\n"
4541                 "%false     = OpConstantFalse %bool\n"
4542                 "%c_f32_p2  = OpConstant %f32 0.2\n";
4543
4544         // Swap the second and the third element of the given parameter.
4545         const char      function3[]                             =
4546                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4547                 "%param     = OpFunctionParameter %v4f32\n"
4548                 "%entry     = OpLabel\n"
4549                 "%result    = OpVariable %fp_v4f32 Function\n"
4550                 "             OpStore %result %param\n"
4551                 "%a_loc     = OpAccessChain %fp_f32 %result %c_i32_1\n"
4552                 "%a_init    = OpLoad %f32 %a_loc\n"
4553                 "%b_loc     = OpAccessChain %fp_f32 %result %c_i32_2\n"
4554                 "%b_init    = OpLoad %f32 %b_loc\n"
4555                 "             OpBranch %phi\n"
4556
4557                 "%phi        = OpLabel\n"
4558                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
4559                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
4560                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
4561                 "              OpLoopMerge %exit %phi None\n"
4562                 "              OpBranchConditional %still_loop %phi %exit\n"
4563
4564                 "%exit       = OpLabel\n"
4565                 "              OpStore %a_loc %a_next\n"
4566                 "              OpStore %b_loc %b_next\n"
4567                 "%ret        = OpLoad %v4f32 %result\n"
4568                 "              OpReturnValue %ret\n"
4569
4570                 "              OpFunctionEnd\n";
4571
4572         fragments3["pre_main"]  = typesAndConstants3;
4573         fragments3["testfun"]   = function3;
4574
4575         outputColors3[0]                        = RGBA(127, 127, 127, 255);
4576         outputColors3[1]                        = RGBA(127, 0,   0,   255);
4577         outputColors3[2]                        = RGBA(0,   0,   127, 255);
4578         outputColors3[3]                        = RGBA(0,   127, 0,   255);
4579
4580         createTestsForAllStages("swap", inputColors, outputColors3, fragments3, group.get());
4581
4582         return group.release();
4583 }
4584
4585 tcu::TestCaseGroup* createNoContractionTests(tcu::TestContext& testCtx)
4586 {
4587         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
4588         RGBA                                                    inputColors[4];
4589         RGBA                                                    outputColors[4];
4590
4591         // With NoContraction, (1 + 2^-23) * (1 - 2^-23) - 1 should be conducted as a multiplication and an addition separately.
4592         // For the multiplication, the result is 1 - 2^-46, which is out of the precision range for 32-bit float. (32-bit float
4593         // only have 23-bit fraction.) So it will be rounded to 1. Or 0x1.fffffc. Then the final result is 0 or -0x1p-24.
4594         // On the contrary, the result will be 2^-46, which is a normalized number perfectly representable as 32-bit float.
4595         const char                                              constantsAndTypes[]      =
4596                 "%c_vec4_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_0 %c_f32_1\n"
4597                 "%c_vec4_1       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
4598                 "%c_f32_1pl2_23  = OpConstant %f32 0x1.000002p+0\n" // 1 + 2^-23
4599                 "%c_f32_1mi2_23  = OpConstant %f32 0x1.fffffcp-1\n" // 1 - 2^-23
4600                 "%c_f32_n1pn24   = OpConstant %f32 -0x1p-24\n"
4601                 ;
4602
4603         const char                                              function[]       =
4604                 "%test_code      = OpFunction %v4f32 None %v4f32_function\n"
4605                 "%param          = OpFunctionParameter %v4f32\n"
4606                 "%label          = OpLabel\n"
4607                 "%var1           = OpVariable %fp_f32 Function %c_f32_1pl2_23\n"
4608                 "%var2           = OpVariable %fp_f32 Function\n"
4609                 "%red            = OpCompositeExtract %f32 %param 0\n"
4610                 "%plus_red       = OpFAdd %f32 %c_f32_1mi2_23 %red\n"
4611                 "                  OpStore %var2 %plus_red\n"
4612                 "%val1           = OpLoad %f32 %var1\n"
4613                 "%val2           = OpLoad %f32 %var2\n"
4614                 "%mul            = OpFMul %f32 %val1 %val2\n"
4615                 "%add            = OpFAdd %f32 %mul %c_f32_n1\n"
4616                 "%is0            = OpFOrdEqual %bool %add %c_f32_0\n"
4617                 "%isn1n24         = OpFOrdEqual %bool %add %c_f32_n1pn24\n"
4618                 "%success        = OpLogicalOr %bool %is0 %isn1n24\n"
4619                 "%v4success      = OpCompositeConstruct %v4bool %success %success %success %success\n"
4620                 "%ret            = OpSelect %v4f32 %v4success %c_vec4_0 %c_vec4_1\n"
4621                 "                  OpReturnValue %ret\n"
4622                 "                  OpFunctionEnd\n";
4623
4624         struct CaseNameDecoration
4625         {
4626                 string name;
4627                 string decoration;
4628         };
4629
4630
4631         CaseNameDecoration tests[] = {
4632                 {"multiplication",      "OpDecorate %mul NoContraction"},
4633                 {"addition",            "OpDecorate %add NoContraction"},
4634                 {"both",                        "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"},
4635         };
4636
4637         getHalfColorsFullAlpha(inputColors);
4638
4639         for (deUint8 idx = 0; idx < 4; ++idx)
4640         {
4641                 inputColors[idx].setRed(0);
4642                 outputColors[idx] = RGBA(0, 0, 0, 255);
4643         }
4644
4645         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(CaseNameDecoration); ++testNdx)
4646         {
4647                 map<string, string> fragments;
4648
4649                 fragments["decoration"] = tests[testNdx].decoration;
4650                 fragments["pre_main"] = constantsAndTypes;
4651                 fragments["testfun"] = function;
4652
4653                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, group.get());
4654         }
4655
4656         return group.release();
4657 }
4658
4659 tcu::TestCaseGroup* createMemoryAccessTests(tcu::TestContext& testCtx)
4660 {
4661         de::MovePtr<tcu::TestCaseGroup> memoryAccessTests (new tcu::TestCaseGroup(testCtx, "opmemoryaccess", "Memory Semantics"));
4662         RGBA                                                    colors[4];
4663
4664         const char                                              constantsAndTypes[]      =
4665                 "%c_a2f32_1         = OpConstantComposite %a2f32 %c_f32_1 %c_f32_1\n"
4666                 "%fp_a2f32          = OpTypePointer Function %a2f32\n"
4667                 "%stype             = OpTypeStruct  %v4f32 %a2f32 %f32\n"
4668                 "%fp_stype          = OpTypePointer Function %stype\n";
4669
4670         const char                                              function[]       =
4671                 "%test_code         = OpFunction %v4f32 None %v4f32_function\n"
4672                 "%param1            = OpFunctionParameter %v4f32\n"
4673                 "%lbl               = OpLabel\n"
4674                 "%v1                = OpVariable %fp_v4f32 Function\n"
4675                 "%v2                = OpVariable %fp_a2f32 Function\n"
4676                 "%v3                = OpVariable %fp_f32 Function\n"
4677                 "%v                 = OpVariable %fp_stype Function\n"
4678                 "%vv                = OpVariable %fp_stype Function\n"
4679                 "%vvv               = OpVariable %fp_f32 Function\n"
4680
4681                 "                     OpStore %v1 %c_v4f32_1_1_1_1\n"
4682                 "                     OpStore %v2 %c_a2f32_1\n"
4683                 "                     OpStore %v3 %c_f32_1\n"
4684
4685                 "%p_v4f32          = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
4686                 "%p_a2f32          = OpAccessChain %fp_a2f32 %v %c_u32_1\n"
4687                 "%p_f32            = OpAccessChain %fp_f32 %v %c_u32_2\n"
4688                 "%v1_v             = OpLoad %v4f32 %v1 ${access_type}\n"
4689                 "%v2_v             = OpLoad %a2f32 %v2 ${access_type}\n"
4690                 "%v3_v             = OpLoad %f32 %v3 ${access_type}\n"
4691
4692                 "                    OpStore %p_v4f32 %v1_v ${access_type}\n"
4693                 "                    OpStore %p_a2f32 %v2_v ${access_type}\n"
4694                 "                    OpStore %p_f32 %v3_v ${access_type}\n"
4695
4696                 "                    OpCopyMemory %vv %v ${access_type}\n"
4697                 "                    OpCopyMemory %vvv %p_f32 ${access_type}\n"
4698
4699                 "%p_f32_2          = OpAccessChain %fp_f32 %vv %c_u32_2\n"
4700                 "%v_f32_2          = OpLoad %f32 %p_f32_2\n"
4701                 "%v_f32_3          = OpLoad %f32 %vvv\n"
4702
4703                 "%ret1             = OpVectorTimesScalar %v4f32 %param1 %v_f32_2\n"
4704                 "%ret2             = OpVectorTimesScalar %v4f32 %ret1 %v_f32_3\n"
4705                 "                    OpReturnValue %ret2\n"
4706                 "                    OpFunctionEnd\n";
4707
4708         struct NameMemoryAccess
4709         {
4710                 string name;
4711                 string accessType;
4712         };
4713
4714
4715         NameMemoryAccess tests[] =
4716         {
4717                 { "none", "" },
4718                 { "volatile", "Volatile" },
4719                 { "aligned",  "Aligned 1" },
4720                 { "volatile_aligned",  "Volatile|Aligned 1" },
4721                 { "nontemporal_aligned",  "Nontemporal|Aligned 1" },
4722                 { "volatile_nontemporal",  "Volatile|Nontemporal" },
4723                 { "volatile_nontermporal_aligned",  "Volatile|Nontemporal|Aligned 1" },
4724         };
4725
4726         getHalfColorsFullAlpha(colors);
4727
4728         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameMemoryAccess); ++testNdx)
4729         {
4730                 map<string, string> fragments;
4731                 map<string, string> memoryAccess;
4732                 memoryAccess["access_type"] = tests[testNdx].accessType;
4733
4734                 fragments["pre_main"] = constantsAndTypes;
4735                 fragments["testfun"] = tcu::StringTemplate(function).specialize(memoryAccess);
4736                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, memoryAccessTests.get());
4737         }
4738         return memoryAccessTests.release();
4739 }
4740 tcu::TestCaseGroup* createOpUndefTests(tcu::TestContext& testCtx)
4741 {
4742         de::MovePtr<tcu::TestCaseGroup>         opUndefTests             (new tcu::TestCaseGroup(testCtx, "opundef", "Test OpUndef"));
4743         RGBA                                                            defaultColors[4];
4744         map<string, string>                                     fragments;
4745         getDefaultColors(defaultColors);
4746
4747         // First, simple cases that don't do anything with the OpUndef result.
4748         struct NameCodePair { string name, decl, type; };
4749         const NameCodePair tests[] =
4750         {
4751                 {"bool", "", "%bool"},
4752                 {"vec2uint32", "%type = OpTypeVector %u32 2", "%type"},
4753                 {"image", "%type = OpTypeImage %f32 2D 0 0 0 1 Unknown", "%type"},
4754                 {"sampler", "%type = OpTypeSampler", "%type"},
4755                 {"sampledimage", "%img = OpTypeImage %f32 2D 0 0 0 1 Unknown\n" "%type = OpTypeSampledImage %img", "%type"},
4756                 {"pointer", "", "%fp_i32"},
4757                 {"runtimearray", "%type = OpTypeRuntimeArray %f32", "%type"},
4758                 {"array", "%c_u32_100 = OpConstant %u32 100\n" "%type = OpTypeArray %i32 %c_u32_100", "%type"},
4759                 {"struct", "%type = OpTypeStruct %f32 %i32 %u32", "%type"}};
4760         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
4761         {
4762                 fragments["undef_type"] = tests[testNdx].type;
4763                 fragments["testfun"] = StringTemplate(
4764                         "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4765                         "%param1 = OpFunctionParameter %v4f32\n"
4766                         "%label_testfun = OpLabel\n"
4767                         "%undef = OpUndef ${undef_type}\n"
4768                         "OpReturnValue %param1\n"
4769                         "OpFunctionEnd\n").specialize(fragments);
4770                 fragments["pre_main"] = tests[testNdx].decl;
4771                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opUndefTests.get());
4772         }
4773         fragments.clear();
4774
4775         fragments["testfun"] =
4776                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4777                 "%param1 = OpFunctionParameter %v4f32\n"
4778                 "%label_testfun = OpLabel\n"
4779                 "%undef = OpUndef %f32\n"
4780                 "%zero = OpFMul %f32 %undef %c_f32_0\n"
4781                 "%is_nan = OpIsNan %bool %zero\n" //OpUndef may result in NaN which may turn %zero into Nan.
4782                 "%actually_zero = OpSelect %f32 %is_nan %c_f32_0 %zero\n"
4783                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
4784                 "%b = OpFAdd %f32 %a %actually_zero\n"
4785                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %b %c_i32_0\n"
4786                 "OpReturnValue %ret\n"
4787                 "OpFunctionEnd\n"
4788                 ;
4789         createTestsForAllStages("float32", defaultColors, defaultColors, fragments, opUndefTests.get());
4790
4791         fragments["testfun"] =
4792                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4793                 "%param1 = OpFunctionParameter %v4f32\n"
4794                 "%label_testfun = OpLabel\n"
4795                 "%undef = OpUndef %i32\n"
4796                 "%zero = OpIMul %i32 %undef %c_i32_0\n"
4797                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
4798                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
4799                 "OpReturnValue %ret\n"
4800                 "OpFunctionEnd\n"
4801                 ;
4802         createTestsForAllStages("sint32", defaultColors, defaultColors, fragments, opUndefTests.get());
4803
4804         fragments["testfun"] =
4805                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4806                 "%param1 = OpFunctionParameter %v4f32\n"
4807                 "%label_testfun = OpLabel\n"
4808                 "%undef = OpUndef %u32\n"
4809                 "%zero = OpIMul %u32 %undef %c_i32_0\n"
4810                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
4811                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
4812                 "OpReturnValue %ret\n"
4813                 "OpFunctionEnd\n"
4814                 ;
4815         createTestsForAllStages("uint32", defaultColors, defaultColors, fragments, opUndefTests.get());
4816
4817         fragments["testfun"] =
4818                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4819                 "%param1 = OpFunctionParameter %v4f32\n"
4820                 "%label_testfun = OpLabel\n"
4821                 "%undef = OpUndef %v4f32\n"
4822                 "%vzero = OpVectorTimesScalar %v4f32 %undef %c_f32_0\n"
4823                 "%zero_0 = OpVectorExtractDynamic %f32 %vzero %c_i32_0\n"
4824                 "%zero_1 = OpVectorExtractDynamic %f32 %vzero %c_i32_1\n"
4825                 "%zero_2 = OpVectorExtractDynamic %f32 %vzero %c_i32_2\n"
4826                 "%zero_3 = OpVectorExtractDynamic %f32 %vzero %c_i32_3\n"
4827                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
4828                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
4829                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
4830                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
4831                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
4832                 "%actually_zero_1 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_1\n"
4833                 "%actually_zero_2 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_2\n"
4834                 "%actually_zero_3 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_3\n"
4835                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
4836                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
4837                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
4838                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
4839                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
4840                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
4841                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
4842                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
4843                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
4844                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
4845                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
4846                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
4847                 "OpReturnValue %ret\n"
4848                 "OpFunctionEnd\n"
4849                 ;
4850         createTestsForAllStages("vec4float32", defaultColors, defaultColors, fragments, opUndefTests.get());
4851
4852         fragments["pre_main"] =
4853                 "%m2x2f32 = OpTypeMatrix %v2f32 2\n";
4854         fragments["testfun"] =
4855                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4856                 "%param1 = OpFunctionParameter %v4f32\n"
4857                 "%label_testfun = OpLabel\n"
4858                 "%undef = OpUndef %m2x2f32\n"
4859                 "%mzero = OpMatrixTimesScalar %m2x2f32 %undef %c_f32_0\n"
4860                 "%zero_0 = OpCompositeExtract %f32 %mzero 0 0\n"
4861                 "%zero_1 = OpCompositeExtract %f32 %mzero 0 1\n"
4862                 "%zero_2 = OpCompositeExtract %f32 %mzero 1 0\n"
4863                 "%zero_3 = OpCompositeExtract %f32 %mzero 1 1\n"
4864                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
4865                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
4866                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
4867                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
4868                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
4869                 "%actually_zero_1 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_1\n"
4870                 "%actually_zero_2 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_2\n"
4871                 "%actually_zero_3 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_3\n"
4872                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
4873                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
4874                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
4875                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
4876                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
4877                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
4878                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
4879                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
4880                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
4881                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
4882                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
4883                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
4884                 "OpReturnValue %ret\n"
4885                 "OpFunctionEnd\n"
4886                 ;
4887         createTestsForAllStages("matrix", defaultColors, defaultColors, fragments, opUndefTests.get());
4888
4889         return opUndefTests.release();
4890 }
4891
4892 void createOpQuantizeSingleOptionTests(tcu::TestCaseGroup* testCtx)
4893 {
4894         const RGBA              inputColors[4]          =
4895         {
4896                 RGBA(0,         0,              0,              255),
4897                 RGBA(0,         0,              255,    255),
4898                 RGBA(0,         255,    0,              255),
4899                 RGBA(0,         255,    255,    255)
4900         };
4901
4902         const RGBA              expectedColors[4]       =
4903         {
4904                 RGBA(255,        0,              0,              255),
4905                 RGBA(255,        0,              0,              255),
4906                 RGBA(255,        0,              0,              255),
4907                 RGBA(255,        0,              0,              255)
4908         };
4909
4910         const struct SingleFP16Possibility
4911         {
4912                 const char* name;
4913                 const char* constant;  // Value to assign to %test_constant.
4914                 float           valueAsFloat;
4915                 const char* condition; // Must assign to %cond an expression that evaluates to true after %c = OpQuantizeToF16(%test_constant + 0).
4916         }                               tests[]                         =
4917         {
4918                 {
4919                         "negative",
4920                         "-0x1.3p1\n",
4921                         -constructNormalizedFloat(1, 0x300000),
4922                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
4923                 }, // -19
4924                 {
4925                         "positive",
4926                         "0x1.0p7\n",
4927                         constructNormalizedFloat(7, 0x000000),
4928                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
4929                 },  // +128
4930                 // SPIR-V requires that OpQuantizeToF16 flushes
4931                 // any numbers that would end up denormalized in F16 to zero.
4932                 {
4933                         "denorm",
4934                         "0x0.0006p-126\n",
4935                         std::ldexp(1.5f, -140),
4936                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
4937                 },  // denorm
4938                 {
4939                         "negative_denorm",
4940                         "-0x0.0006p-126\n",
4941                         -std::ldexp(1.5f, -140),
4942                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
4943                 }, // -denorm
4944                 {
4945                         "too_small",
4946                         "0x1.0p-16\n",
4947                         std::ldexp(1.0f, -16),
4948                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
4949                 },     // too small positive
4950                 {
4951                         "negative_too_small",
4952                         "-0x1.0p-32\n",
4953                         -std::ldexp(1.0f, -32),
4954                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
4955                 },      // too small negative
4956                 {
4957                         "negative_inf",
4958                         "-0x1.0p128\n",
4959                         -std::ldexp(1.0f, 128),
4960
4961                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
4962                         "%inf = OpIsInf %bool %c\n"
4963                         "%cond = OpLogicalAnd %bool %gz %inf\n"
4964                 },     // -inf to -inf
4965                 {
4966                         "inf",
4967                         "0x1.0p128\n",
4968                         std::ldexp(1.0f, 128),
4969
4970                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
4971                         "%inf = OpIsInf %bool %c\n"
4972                         "%cond = OpLogicalAnd %bool %gz %inf\n"
4973                 },     // +inf to +inf
4974                 {
4975                         "round_to_negative_inf",
4976                         "-0x1.0p32\n",
4977                         -std::ldexp(1.0f, 32),
4978
4979                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
4980                         "%inf = OpIsInf %bool %c\n"
4981                         "%cond = OpLogicalAnd %bool %gz %inf\n"
4982                 },     // round to -inf
4983                 {
4984                         "round_to_inf",
4985                         "0x1.0p16\n",
4986                         std::ldexp(1.0f, 16),
4987
4988                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
4989                         "%inf = OpIsInf %bool %c\n"
4990                         "%cond = OpLogicalAnd %bool %gz %inf\n"
4991                 },     // round to +inf
4992                 {
4993                         "nan",
4994                         "0x1.1p128\n",
4995                         std::numeric_limits<float>::quiet_NaN(),
4996
4997                         // Test for any NaN value, as NaNs are not preserved
4998                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
4999                         "%cond = OpIsNan %bool %direct_quant\n"
5000                 }, // nan
5001                 {
5002                         "negative_nan",
5003                         "-0x1.0001p128\n",
5004                         std::numeric_limits<float>::quiet_NaN(),
5005
5006                         // Test for any NaN value, as NaNs are not preserved
5007                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
5008                         "%cond = OpIsNan %bool %direct_quant\n"
5009                 } // -nan
5010         };
5011         const char*             constants                       =
5012                 "%test_constant = OpConstant %f32 ";  // The value will be test.constant.
5013
5014         StringTemplate  function                        (
5015                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
5016                 "%param1        = OpFunctionParameter %v4f32\n"
5017                 "%label_testfun = OpLabel\n"
5018                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5019                 "%b             = OpFAdd %f32 %test_constant %a\n"
5020                 "%c             = OpQuantizeToF16 %f32 %b\n"
5021                 "${condition}\n"
5022                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
5023                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
5024                 "                 OpReturnValue %retval\n"
5025                 "OpFunctionEnd\n"
5026         );
5027
5028         const char*             specDecorations         = "OpDecorate %test_constant SpecId 0\n";
5029         const char*             specConstants           =
5030                         "%test_constant = OpSpecConstant %f32 0.\n"
5031                         "%c             = OpSpecConstantOp %f32 QuantizeToF16 %test_constant\n";
5032
5033         StringTemplate  specConstantFunction(
5034                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
5035                 "%param1        = OpFunctionParameter %v4f32\n"
5036                 "%label_testfun = OpLabel\n"
5037                 "${condition}\n"
5038                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
5039                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
5040                 "                 OpReturnValue %retval\n"
5041                 "OpFunctionEnd\n"
5042         );
5043
5044         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
5045         {
5046                 map<string, string>                                                             codeSpecialization;
5047                 map<string, string>                                                             fragments;
5048                 codeSpecialization["condition"]                                 = tests[idx].condition;
5049                 fragments["testfun"]                                                    = function.specialize(codeSpecialization);
5050                 fragments["pre_main"]                                                   = string(constants) + tests[idx].constant + "\n";
5051                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
5052         }
5053
5054         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
5055         {
5056                 map<string, string>                                                             codeSpecialization;
5057                 map<string, string>                                                             fragments;
5058                 vector<deInt32>                                                                 passConstants;
5059                 deInt32                                                                                 specConstant;
5060
5061                 codeSpecialization["condition"]                                 = tests[idx].condition;
5062                 fragments["testfun"]                                                    = specConstantFunction.specialize(codeSpecialization);
5063                 fragments["decoration"]                                                 = specDecorations;
5064                 fragments["pre_main"]                                                   = specConstants;
5065
5066                 memcpy(&specConstant, &tests[idx].valueAsFloat, sizeof(float));
5067                 passConstants.push_back(specConstant);
5068
5069                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
5070         }
5071 }
5072
5073 void createOpQuantizeTwoPossibilityTests(tcu::TestCaseGroup* testCtx)
5074 {
5075         RGBA inputColors[4] =  {
5076                 RGBA(0,         0,              0,              255),
5077                 RGBA(0,         0,              255,    255),
5078                 RGBA(0,         255,    0,              255),
5079                 RGBA(0,         255,    255,    255)
5080         };
5081
5082         RGBA expectedColors[4] =
5083         {
5084                 RGBA(255,        0,              0,              255),
5085                 RGBA(255,        0,              0,              255),
5086                 RGBA(255,        0,              0,              255),
5087                 RGBA(255,        0,              0,              255)
5088         };
5089
5090         struct DualFP16Possibility
5091         {
5092                 const char* name;
5093                 const char* input;
5094                 float           inputAsFloat;
5095                 const char* possibleOutput1;
5096                 const char* possibleOutput2;
5097         } tests[] = {
5098                 {
5099                         "positive_round_up_or_round_down",
5100                         "0x1.3003p8",
5101                         constructNormalizedFloat(8, 0x300300),
5102                         "0x1.304p8",
5103                         "0x1.3p8"
5104                 },
5105                 {
5106                         "negative_round_up_or_round_down",
5107                         "-0x1.6008p-7",
5108                         -constructNormalizedFloat(-7, 0x600800),
5109                         "-0x1.6p-7",
5110                         "-0x1.604p-7"
5111                 },
5112                 {
5113                         "carry_bit",
5114                         "0x1.01ep2",
5115                         constructNormalizedFloat(2, 0x01e000),
5116                         "0x1.01cp2",
5117                         "0x1.02p2"
5118                 },
5119                 {
5120                         "carry_to_exponent",
5121                         "0x1.ffep1",
5122                         constructNormalizedFloat(1, 0xffe000),
5123                         "0x1.ffcp1",
5124                         "0x1.0p2"
5125                 },
5126         };
5127         StringTemplate constants (
5128                 "%input_const = OpConstant %f32 ${input}\n"
5129                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
5130                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
5131                 );
5132
5133         StringTemplate specConstants (
5134                 "%input_const = OpSpecConstant %f32 0.\n"
5135                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
5136                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
5137         );
5138
5139         const char* specDecorations = "OpDecorate %input_const  SpecId 0\n";
5140
5141         const char* function  =
5142                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
5143                 "%param1        = OpFunctionParameter %v4f32\n"
5144                 "%label_testfun = OpLabel\n"
5145                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5146                 // For the purposes of this test we assume that 0.f will always get
5147                 // faithfully passed through the pipeline stages.
5148                 "%b             = OpFAdd %f32 %input_const %a\n"
5149                 "%c             = OpQuantizeToF16 %f32 %b\n"
5150                 "%eq_1          = OpFOrdEqual %bool %c %possible_solution1\n"
5151                 "%eq_2          = OpFOrdEqual %bool %c %possible_solution2\n"
5152                 "%cond          = OpLogicalOr %bool %eq_1 %eq_2\n"
5153                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
5154                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1"
5155                 "                 OpReturnValue %retval\n"
5156                 "OpFunctionEnd\n";
5157
5158         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
5159                 map<string, string>                                                                     fragments;
5160                 map<string, string>                                                                     constantSpecialization;
5161
5162                 constantSpecialization["input"]                                         = tests[idx].input;
5163                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
5164                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
5165                 fragments["testfun"]                                                            = function;
5166                 fragments["pre_main"]                                                           = constants.specialize(constantSpecialization);
5167                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
5168         }
5169
5170         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
5171                 map<string, string>                                                                     fragments;
5172                 map<string, string>                                                                     constantSpecialization;
5173                 vector<deInt32>                                                                         passConstants;
5174                 deInt32                                                                                         specConstant;
5175
5176                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
5177                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
5178                 fragments["testfun"]                                                            = function;
5179                 fragments["decoration"]                                                         = specDecorations;
5180                 fragments["pre_main"]                                                           = specConstants.specialize(constantSpecialization);
5181
5182                 memcpy(&specConstant, &tests[idx].inputAsFloat, sizeof(float));
5183                 passConstants.push_back(specConstant);
5184
5185                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
5186         }
5187 }
5188
5189 tcu::TestCaseGroup* createOpQuantizeTests(tcu::TestContext& testCtx)
5190 {
5191         de::MovePtr<tcu::TestCaseGroup> opQuantizeTests (new tcu::TestCaseGroup(testCtx, "opquantize", "Test OpQuantizeToF16"));
5192         createOpQuantizeSingleOptionTests(opQuantizeTests.get());
5193         createOpQuantizeTwoPossibilityTests(opQuantizeTests.get());
5194         return opQuantizeTests.release();
5195 }
5196
5197 struct ShaderPermutation
5198 {
5199         deUint8 vertexPermutation;
5200         deUint8 geometryPermutation;
5201         deUint8 tesscPermutation;
5202         deUint8 tessePermutation;
5203         deUint8 fragmentPermutation;
5204 };
5205
5206 ShaderPermutation getShaderPermutation(deUint8 inputValue)
5207 {
5208         ShaderPermutation       permutation =
5209         {
5210                 static_cast<deUint8>(inputValue & 0x10? 1u: 0u),
5211                 static_cast<deUint8>(inputValue & 0x08? 1u: 0u),
5212                 static_cast<deUint8>(inputValue & 0x04? 1u: 0u),
5213                 static_cast<deUint8>(inputValue & 0x02? 1u: 0u),
5214                 static_cast<deUint8>(inputValue & 0x01? 1u: 0u)
5215         };
5216         return permutation;
5217 }
5218
5219 tcu::TestCaseGroup* createModuleTests(tcu::TestContext& testCtx)
5220 {
5221         RGBA                                                            defaultColors[4];
5222         RGBA                                                            invertedColors[4];
5223         de::MovePtr<tcu::TestCaseGroup>         moduleTests                     (new tcu::TestCaseGroup(testCtx, "module", "Multiple entry points into shaders"));
5224
5225         const ShaderElement                                     combinedPipeline[]      =
5226         {
5227                 ShaderElement("module", "main", VK_SHADER_STAGE_VERTEX_BIT),
5228                 ShaderElement("module", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
5229                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
5230                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
5231                 ShaderElement("module", "main", VK_SHADER_STAGE_FRAGMENT_BIT)
5232         };
5233
5234         getDefaultColors(defaultColors);
5235         getInvertedDefaultColors(invertedColors);
5236         addFunctionCaseWithPrograms<InstanceContext>(
5237                         moduleTests.get(), "same_module", "", createCombinedModule, runAndVerifyDefaultPipeline,
5238                         createInstanceContext(combinedPipeline, map<string, string>()));
5239
5240         const char* numbers[] =
5241         {
5242                 "1", "2"
5243         };
5244
5245         for (deInt8 idx = 0; idx < 32; ++idx)
5246         {
5247                 ShaderPermutation                       permutation             = getShaderPermutation(idx);
5248                 string                                          name                    = string("vert") + numbers[permutation.vertexPermutation] + "_geom" + numbers[permutation.geometryPermutation] + "_tessc" + numbers[permutation.tesscPermutation] + "_tesse" + numbers[permutation.tessePermutation] + "_frag" + numbers[permutation.fragmentPermutation];
5249                 const ShaderElement                     pipeline[]              =
5250                 {
5251                         ShaderElement("vert",   string("vert") +        numbers[permutation.vertexPermutation],         VK_SHADER_STAGE_VERTEX_BIT),
5252                         ShaderElement("geom",   string("geom") +        numbers[permutation.geometryPermutation],       VK_SHADER_STAGE_GEOMETRY_BIT),
5253                         ShaderElement("tessc",  string("tessc") +       numbers[permutation.tesscPermutation],          VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
5254                         ShaderElement("tesse",  string("tesse") +       numbers[permutation.tessePermutation],          VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
5255                         ShaderElement("frag",   string("frag") +        numbers[permutation.fragmentPermutation],       VK_SHADER_STAGE_FRAGMENT_BIT)
5256                 };
5257
5258                 // If there are an even number of swaps, then it should be no-op.
5259                 // If there are an odd number, the color should be flipped.
5260                 if ((permutation.vertexPermutation + permutation.geometryPermutation + permutation.tesscPermutation + permutation.tessePermutation + permutation.fragmentPermutation) % 2 == 0)
5261                 {
5262                         addFunctionCaseWithPrograms<InstanceContext>(
5263                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
5264                                         createInstanceContext(pipeline, defaultColors, defaultColors, map<string, string>()));
5265                 }
5266                 else
5267                 {
5268                         addFunctionCaseWithPrograms<InstanceContext>(
5269                                         moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline,
5270                                         createInstanceContext(pipeline, defaultColors, invertedColors, map<string, string>()));
5271                 }
5272         }
5273         return moduleTests.release();
5274 }
5275
5276 tcu::TestCaseGroup* createLoopTests(tcu::TestContext& testCtx)
5277 {
5278         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "loop", "Looping control flow"));
5279         RGBA defaultColors[4];
5280         getDefaultColors(defaultColors);
5281         map<string, string> fragments;
5282         fragments["pre_main"] =
5283                 "%c_f32_5 = OpConstant %f32 5.\n";
5284
5285         // A loop with a single block. The Continue Target is the loop block
5286         // itself. In SPIR-V terms, the "loop construct" contains no blocks at all
5287         // -- the "continue construct" forms the entire loop.
5288         fragments["testfun"] =
5289                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5290                 "%param1 = OpFunctionParameter %v4f32\n"
5291
5292                 "%entry = OpLabel\n"
5293                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5294                 "OpBranch %loop\n"
5295
5296                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
5297                 "%loop = OpLabel\n"
5298                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
5299                 "%delta = OpPhi %f32 %c_f32_1 %entry %minus_delta %loop\n"
5300                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
5301                 "%val = OpFAdd %f32 %val1 %delta\n"
5302                 "%minus_delta = OpFSub %f32 %c_f32_0 %delta\n"
5303                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5304                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5305                 "OpLoopMerge %exit %loop None\n"
5306                 "OpBranchConditional %again %loop %exit\n"
5307
5308                 "%exit = OpLabel\n"
5309                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
5310                 "OpReturnValue %result\n"
5311
5312                 "OpFunctionEnd\n"
5313                 ;
5314         createTestsForAllStages("single_block", defaultColors, defaultColors, fragments, testGroup.get());
5315
5316         // Body comprised of multiple basic blocks.
5317         const StringTemplate multiBlock(
5318                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5319                 "%param1 = OpFunctionParameter %v4f32\n"
5320
5321                 "%entry = OpLabel\n"
5322                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5323                 "OpBranch %loop\n"
5324
5325                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
5326                 "%loop = OpLabel\n"
5327                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %gather\n"
5328                 "%delta = OpPhi %f32 %c_f32_1 %entry %delta_next %gather\n"
5329                 "%val1 = OpPhi %f32 %val0 %entry %val %gather\n"
5330                 // There are several possibilities for the Continue Target below.  Each
5331                 // will be specialized into a separate test case.
5332                 "OpLoopMerge %exit ${continue_target} None\n"
5333                 "OpBranch %if\n"
5334
5335                 "%if = OpLabel\n"
5336                 ";delta_next = (delta > 0) ? -1 : 1;\n"
5337                 "%gt0 = OpFOrdGreaterThan %bool %delta %c_f32_0\n"
5338                 "OpSelectionMerge %gather DontFlatten\n"
5339                 "OpBranchConditional %gt0 %even %odd ;tells us if %count is even or odd\n"
5340
5341                 "%odd = OpLabel\n"
5342                 "OpBranch %gather\n"
5343
5344                 "%even = OpLabel\n"
5345                 "OpBranch %gather\n"
5346
5347                 "%gather = OpLabel\n"
5348                 "%delta_next = OpPhi %f32 %c_f32_n1 %even %c_f32_1 %odd\n"
5349                 "%val = OpFAdd %f32 %val1 %delta\n"
5350                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5351                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5352                 "OpBranchConditional %again %loop %exit\n"
5353
5354                 "%exit = OpLabel\n"
5355                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
5356                 "OpReturnValue %result\n"
5357
5358                 "OpFunctionEnd\n");
5359
5360         map<string, string> continue_target;
5361
5362         // The Continue Target is the loop block itself.
5363         continue_target["continue_target"] = "%loop";
5364         fragments["testfun"] = multiBlock.specialize(continue_target);
5365         createTestsForAllStages("multi_block_continue_construct", defaultColors, defaultColors, fragments, testGroup.get());
5366
5367         // The Continue Target is at the end of the loop.
5368         continue_target["continue_target"] = "%gather";
5369         fragments["testfun"] = multiBlock.specialize(continue_target);
5370         createTestsForAllStages("multi_block_loop_construct", defaultColors, defaultColors, fragments, testGroup.get());
5371
5372         // A loop with continue statement.
5373         fragments["testfun"] =
5374                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5375                 "%param1 = OpFunctionParameter %v4f32\n"
5376
5377                 "%entry = OpLabel\n"
5378                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5379                 "OpBranch %loop\n"
5380
5381                 ";adds 4, 3, and 1 to %val0 (skips 2)\n"
5382                 "%loop = OpLabel\n"
5383                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
5384                 "%val1 = OpPhi %f32 %val0 %entry %val %continue\n"
5385                 "OpLoopMerge %exit %continue None\n"
5386                 "OpBranch %if\n"
5387
5388                 "%if = OpLabel\n"
5389                 ";skip if %count==2\n"
5390                 "%eq2 = OpIEqual %bool %count %c_i32_2\n"
5391                 "OpSelectionMerge %continue DontFlatten\n"
5392                 "OpBranchConditional %eq2 %continue %body\n"
5393
5394                 "%body = OpLabel\n"
5395                 "%fcount = OpConvertSToF %f32 %count\n"
5396                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
5397                 "OpBranch %continue\n"
5398
5399                 "%continue = OpLabel\n"
5400                 "%val = OpPhi %f32 %val2 %body %val1 %if\n"
5401                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5402                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5403                 "OpBranchConditional %again %loop %exit\n"
5404
5405                 "%exit = OpLabel\n"
5406                 "%same = OpFSub %f32 %val %c_f32_8\n"
5407                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
5408                 "OpReturnValue %result\n"
5409                 "OpFunctionEnd\n";
5410         createTestsForAllStages("continue", defaultColors, defaultColors, fragments, testGroup.get());
5411
5412         // A loop with break.
5413         fragments["testfun"] =
5414                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5415                 "%param1 = OpFunctionParameter %v4f32\n"
5416
5417                 "%entry = OpLabel\n"
5418                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
5419                 "%dot = OpDot %f32 %param1 %param1\n"
5420                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
5421                 "%zero = OpConvertFToU %u32 %div\n"
5422                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
5423                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5424                 "OpBranch %loop\n"
5425
5426                 ";adds 4 and 3 to %val0 (exits early)\n"
5427                 "%loop = OpLabel\n"
5428                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
5429                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
5430                 "OpLoopMerge %exit %continue None\n"
5431                 "OpBranch %if\n"
5432
5433                 "%if = OpLabel\n"
5434                 ";end loop if %count==%two\n"
5435                 "%above2 = OpSGreaterThan %bool %count %two\n"
5436                 "OpSelectionMerge %continue DontFlatten\n"
5437                 "OpBranchConditional %above2 %body %exit\n"
5438
5439                 "%body = OpLabel\n"
5440                 "%fcount = OpConvertSToF %f32 %count\n"
5441                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
5442                 "OpBranch %continue\n"
5443
5444                 "%continue = OpLabel\n"
5445                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5446                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5447                 "OpBranchConditional %again %loop %exit\n"
5448
5449                 "%exit = OpLabel\n"
5450                 "%val_post = OpPhi %f32 %val2 %continue %val1 %if\n"
5451                 "%same = OpFSub %f32 %val_post %c_f32_7\n"
5452                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
5453                 "OpReturnValue %result\n"
5454                 "OpFunctionEnd\n";
5455         createTestsForAllStages("break", defaultColors, defaultColors, fragments, testGroup.get());
5456
5457         // A loop with return.
5458         fragments["testfun"] =
5459                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5460                 "%param1 = OpFunctionParameter %v4f32\n"
5461
5462                 "%entry = OpLabel\n"
5463                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
5464                 "%dot = OpDot %f32 %param1 %param1\n"
5465                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
5466                 "%zero = OpConvertFToU %u32 %div\n"
5467                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
5468                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5469                 "OpBranch %loop\n"
5470
5471                 ";returns early without modifying %param1\n"
5472                 "%loop = OpLabel\n"
5473                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
5474                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
5475                 "OpLoopMerge %exit %continue None\n"
5476                 "OpBranch %if\n"
5477
5478                 "%if = OpLabel\n"
5479                 ";return if %count==%two\n"
5480                 "%above2 = OpSGreaterThan %bool %count %two\n"
5481                 "OpSelectionMerge %continue DontFlatten\n"
5482                 "OpBranchConditional %above2 %body %early_exit\n"
5483
5484                 "%early_exit = OpLabel\n"
5485                 "OpReturnValue %param1\n"
5486
5487                 "%body = OpLabel\n"
5488                 "%fcount = OpConvertSToF %f32 %count\n"
5489                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
5490                 "OpBranch %continue\n"
5491
5492                 "%continue = OpLabel\n"
5493                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5494                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5495                 "OpBranchConditional %again %loop %exit\n"
5496
5497                 "%exit = OpLabel\n"
5498                 ";should never get here, so return an incorrect result\n"
5499                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val2 %c_i32_0\n"
5500                 "OpReturnValue %result\n"
5501                 "OpFunctionEnd\n";
5502         createTestsForAllStages("return", defaultColors, defaultColors, fragments, testGroup.get());
5503
5504         return testGroup.release();
5505 }
5506
5507 // A collection of tests putting OpControlBarrier in places GLSL forbids but SPIR-V allows.
5508 tcu::TestCaseGroup* createBarrierTests(tcu::TestContext& testCtx)
5509 {
5510         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "barrier", "OpControlBarrier"));
5511         map<string, string> fragments;
5512
5513         // A barrier inside a function body.
5514         fragments["pre_main"] =
5515                 "%Workgroup = OpConstant %i32 2\n"
5516                 "%SequentiallyConsistent = OpConstant %i32 0x10\n";
5517         fragments["testfun"] =
5518                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5519                 "%param1 = OpFunctionParameter %v4f32\n"
5520                 "%label_testfun = OpLabel\n"
5521                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5522                 "OpReturnValue %param1\n"
5523                 "OpFunctionEnd\n";
5524         addTessCtrlTest(testGroup.get(), "in_function", fragments);
5525
5526         // Common setup code for the following tests.
5527         fragments["pre_main"] =
5528                 "%Workgroup = OpConstant %i32 2\n"
5529                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
5530                 "%c_f32_5 = OpConstant %f32 5.\n";
5531         const string setupPercentZero =  // Begins %test_code function with code that sets %zero to 0u but cannot be optimized away.
5532                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5533                 "%param1 = OpFunctionParameter %v4f32\n"
5534                 "%entry = OpLabel\n"
5535                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
5536                 "%dot = OpDot %f32 %param1 %param1\n"
5537                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
5538                 "%zero = OpConvertFToU %u32 %div\n";
5539
5540         // Barriers inside OpSwitch branches.
5541         fragments["testfun"] =
5542                 setupPercentZero +
5543                 "OpSelectionMerge %switch_exit None\n"
5544                 "OpSwitch %zero %switch_default 0 %case0 1 %case1 ;should always go to %case0\n"
5545
5546                 "%case1 = OpLabel\n"
5547                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
5548                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5549                 "%wrong_branch_alert1 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
5550                 "OpBranch %switch_exit\n"
5551
5552                 "%switch_default = OpLabel\n"
5553                 "%wrong_branch_alert2 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
5554                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
5555                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5556                 "OpBranch %switch_exit\n"
5557
5558                 "%case0 = OpLabel\n"
5559                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5560                 "OpBranch %switch_exit\n"
5561
5562                 "%switch_exit = OpLabel\n"
5563                 "%ret = OpPhi %v4f32 %param1 %case0 %wrong_branch_alert1 %case1 %wrong_branch_alert2 %switch_default\n"
5564                 "OpReturnValue %ret\n"
5565                 "OpFunctionEnd\n";
5566         addTessCtrlTest(testGroup.get(), "in_switch", fragments);
5567
5568         // Barriers inside if-then-else.
5569         fragments["testfun"] =
5570                 setupPercentZero +
5571                 "%eq0 = OpIEqual %bool %zero %c_u32_0\n"
5572                 "OpSelectionMerge %exit DontFlatten\n"
5573                 "OpBranchConditional %eq0 %then %else\n"
5574
5575                 "%else = OpLabel\n"
5576                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
5577                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5578                 "%wrong_branch_alert = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
5579                 "OpBranch %exit\n"
5580
5581                 "%then = OpLabel\n"
5582                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5583                 "OpBranch %exit\n"
5584
5585                 "%exit = OpLabel\n"
5586                 "%ret = OpPhi %v4f32 %param1 %then %wrong_branch_alert %else\n"
5587                 "OpReturnValue %ret\n"
5588                 "OpFunctionEnd\n";
5589         addTessCtrlTest(testGroup.get(), "in_if", fragments);
5590
5591         // A barrier after control-flow reconvergence, tempting the compiler to attempt something like this:
5592         // http://lists.llvm.org/pipermail/llvm-dev/2009-October/026317.html.
5593         fragments["testfun"] =
5594                 setupPercentZero +
5595                 "%thread_id = OpLoad %i32 %BP_gl_InvocationID\n"
5596                 "%thread0 = OpIEqual %bool %thread_id %c_i32_0\n"
5597                 "OpSelectionMerge %exit DontFlatten\n"
5598                 "OpBranchConditional %thread0 %then %else\n"
5599
5600                 "%else = OpLabel\n"
5601                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5602                 "OpBranch %exit\n"
5603
5604                 "%then = OpLabel\n"
5605                 "%val1 = OpVectorExtractDynamic %f32 %param1 %zero\n"
5606                 "OpBranch %exit\n"
5607
5608                 "%exit = OpLabel\n"
5609                 "%val = OpPhi %f32 %val0 %else %val1 %then\n"
5610                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5611                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %val %zero\n"
5612                 "OpReturnValue %ret\n"
5613                 "OpFunctionEnd\n";
5614         addTessCtrlTest(testGroup.get(), "after_divergent_if", fragments);
5615
5616         // A barrier inside a loop.
5617         fragments["pre_main"] =
5618                 "%Workgroup = OpConstant %i32 2\n"
5619                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
5620                 "%c_f32_10 = OpConstant %f32 10.\n";
5621         fragments["testfun"] =
5622                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5623                 "%param1 = OpFunctionParameter %v4f32\n"
5624                 "%entry = OpLabel\n"
5625                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
5626                 "OpBranch %loop\n"
5627
5628                 ";adds 4, 3, 2, and 1 to %val0\n"
5629                 "%loop = OpLabel\n"
5630                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
5631                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
5632                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
5633                 "%fcount = OpConvertSToF %f32 %count\n"
5634                 "%val = OpFAdd %f32 %val1 %fcount\n"
5635                 "%count__ = OpISub %i32 %count %c_i32_1\n"
5636                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
5637                 "OpLoopMerge %exit %loop None\n"
5638                 "OpBranchConditional %again %loop %exit\n"
5639
5640                 "%exit = OpLabel\n"
5641                 "%same = OpFSub %f32 %val %c_f32_10\n"
5642                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
5643                 "OpReturnValue %ret\n"
5644                 "OpFunctionEnd\n";
5645         addTessCtrlTest(testGroup.get(), "in_loop", fragments);
5646
5647         return testGroup.release();
5648 }
5649
5650 // Test for the OpFRem instruction.
5651 tcu::TestCaseGroup* createFRemTests(tcu::TestContext& testCtx)
5652 {
5653         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "frem", "OpFRem"));
5654         map<string, string>                                     fragments;
5655         RGBA                                                            inputColors[4];
5656         RGBA                                                            outputColors[4];
5657
5658         fragments["pre_main"]                            =
5659                 "%c_f32_3 = OpConstant %f32 3.0\n"
5660                 "%c_f32_n3 = OpConstant %f32 -3.0\n"
5661                 "%c_f32_4 = OpConstant %f32 4.0\n"
5662                 "%c_f32_p75 = OpConstant %f32 0.75\n"
5663                 "%c_v4f32_p75_p75_p75_p75 = OpConstantComposite %v4f32 %c_f32_p75 %c_f32_p75 %c_f32_p75 %c_f32_p75 \n"
5664                 "%c_v4f32_4_4_4_4 = OpConstantComposite %v4f32 %c_f32_4 %c_f32_4 %c_f32_4 %c_f32_4\n"
5665                 "%c_v4f32_3_n3_3_n3 = OpConstantComposite %v4f32 %c_f32_3 %c_f32_n3 %c_f32_3 %c_f32_n3\n";
5666
5667         // The test does the following.
5668         // vec4 result = (param1 * 8.0) - 4.0;
5669         // return (frem(result.x,3) + 0.75, frem(result.y, -3) + 0.75, 0, 1)
5670         fragments["testfun"]                             =
5671                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5672                 "%param1 = OpFunctionParameter %v4f32\n"
5673                 "%label_testfun = OpLabel\n"
5674                 "%v_times_8 = OpVectorTimesScalar %v4f32 %param1 %c_f32_8\n"
5675                 "%minus_4 = OpFSub %v4f32 %v_times_8 %c_v4f32_4_4_4_4\n"
5676                 "%frem = OpFRem %v4f32 %minus_4 %c_v4f32_3_n3_3_n3\n"
5677                 "%added = OpFAdd %v4f32 %frem %c_v4f32_p75_p75_p75_p75\n"
5678                 "%xyz_1 = OpVectorInsertDynamic %v4f32 %added %c_f32_1 %c_i32_3\n"
5679                 "%xy_0_1 = OpVectorInsertDynamic %v4f32 %xyz_1 %c_f32_0 %c_i32_2\n"
5680                 "OpReturnValue %xy_0_1\n"
5681                 "OpFunctionEnd\n";
5682
5683
5684         inputColors[0]          = RGBA(16,      16,             0, 255);
5685         inputColors[1]          = RGBA(232, 232,        0, 255);
5686         inputColors[2]          = RGBA(232, 16,         0, 255);
5687         inputColors[3]          = RGBA(16,      232,    0, 255);
5688
5689         outputColors[0]         = RGBA(64,      64,             0, 255);
5690         outputColors[1]         = RGBA(255, 255,        0, 255);
5691         outputColors[2]         = RGBA(255, 64,         0, 255);
5692         outputColors[3]         = RGBA(64,      255,    0, 255);
5693
5694         createTestsForAllStages("frem", inputColors, outputColors, fragments, testGroup.get());
5695         return testGroup.release();
5696 }
5697
5698 enum IntegerType
5699 {
5700         INTEGER_TYPE_SIGNED_16,
5701         INTEGER_TYPE_SIGNED_32,
5702         INTEGER_TYPE_SIGNED_64,
5703
5704         INTEGER_TYPE_UNSIGNED_16,
5705         INTEGER_TYPE_UNSIGNED_32,
5706         INTEGER_TYPE_UNSIGNED_64,
5707 };
5708
5709 const string getBitWidthStr (IntegerType type)
5710 {
5711         switch (type)
5712         {
5713                 case INTEGER_TYPE_SIGNED_16:
5714                 case INTEGER_TYPE_UNSIGNED_16:  return "16";
5715
5716                 case INTEGER_TYPE_SIGNED_32:
5717                 case INTEGER_TYPE_UNSIGNED_32:  return "32";
5718
5719                 case INTEGER_TYPE_SIGNED_64:
5720                 case INTEGER_TYPE_UNSIGNED_64:  return "64";
5721
5722                 default:                                                DE_ASSERT(false);
5723                                                                                 return "";
5724         }
5725 }
5726
5727 const string getByteWidthStr (IntegerType type)
5728 {
5729         switch (type)
5730         {
5731                 case INTEGER_TYPE_SIGNED_16:
5732                 case INTEGER_TYPE_UNSIGNED_16:  return "2";
5733
5734                 case INTEGER_TYPE_SIGNED_32:
5735                 case INTEGER_TYPE_UNSIGNED_32:  return "4";
5736
5737                 case INTEGER_TYPE_SIGNED_64:
5738                 case INTEGER_TYPE_UNSIGNED_64:  return "8";
5739
5740                 default:                                                DE_ASSERT(false);
5741                                                                                 return "";
5742         }
5743 }
5744
5745 bool isSigned (IntegerType type)
5746 {
5747         return (type <= INTEGER_TYPE_SIGNED_64);
5748 }
5749
5750 const string getTypeName (IntegerType type)
5751 {
5752         string prefix = isSigned(type) ? "" : "u";
5753         return prefix + "int" + getBitWidthStr(type);
5754 }
5755
5756 const string getTestName (IntegerType from, IntegerType to)
5757 {
5758         return getTypeName(from) + "_to_" + getTypeName(to);
5759 }
5760
5761 const string getAsmTypeDeclaration (IntegerType type)
5762 {
5763         string sign = isSigned(type) ? " 1" : " 0";
5764         return "OpTypeInt " + getBitWidthStr(type) + sign;
5765 }
5766
5767 template<typename T>
5768 BufferSp getSpecializedBuffer (deInt64 number)
5769 {
5770         return BufferSp(new Buffer<T>(vector<T>(1, (T)number)));
5771 }
5772
5773 BufferSp getBuffer (IntegerType type, deInt64 number)
5774 {
5775         switch (type)
5776         {
5777                 case INTEGER_TYPE_SIGNED_16:    return getSpecializedBuffer<deInt16>(number);
5778                 case INTEGER_TYPE_SIGNED_32:    return getSpecializedBuffer<deInt32>(number);
5779                 case INTEGER_TYPE_SIGNED_64:    return getSpecializedBuffer<deInt64>(number);
5780
5781                 case INTEGER_TYPE_UNSIGNED_16:  return getSpecializedBuffer<deUint16>(number);
5782                 case INTEGER_TYPE_UNSIGNED_32:  return getSpecializedBuffer<deUint32>(number);
5783                 case INTEGER_TYPE_UNSIGNED_64:  return getSpecializedBuffer<deUint64>(number);
5784
5785                 default:                                                DE_ASSERT(false);
5786                                                                                 return BufferSp(new Buffer<deInt32>(vector<deInt32>(1, 0)));
5787         }
5788 }
5789
5790 bool usesInt16 (IntegerType from, IntegerType to)
5791 {
5792         return (from == INTEGER_TYPE_SIGNED_16 || from == INTEGER_TYPE_UNSIGNED_16
5793                         || to == INTEGER_TYPE_SIGNED_16 || to == INTEGER_TYPE_UNSIGNED_16);
5794 }
5795
5796 bool usesInt64 (IntegerType from, IntegerType to)
5797 {
5798         return (from == INTEGER_TYPE_SIGNED_64 || from == INTEGER_TYPE_UNSIGNED_64
5799                         || to == INTEGER_TYPE_SIGNED_64 || to == INTEGER_TYPE_UNSIGNED_64);
5800 }
5801
5802 ComputeTestFeatures getConversionUsedFeatures (IntegerType from, IntegerType to)
5803 {
5804         if (usesInt16(from, to))
5805         {
5806                 if (usesInt64(from, to))
5807                 {
5808                         return COMPUTE_TEST_USES_INT16_INT64;
5809                 }
5810                 else
5811                 {
5812                         return COMPUTE_TEST_USES_INT16;
5813                 }
5814         }
5815         else
5816         {
5817                 return COMPUTE_TEST_USES_INT64;
5818         }
5819 }
5820
5821 struct ConvertCase
5822 {
5823         ConvertCase (IntegerType from, IntegerType to, deInt64 number)
5824         : m_fromType            (from)
5825         , m_toType                      (to)
5826         , m_features            (getConversionUsedFeatures(from, to))
5827         , m_name                        (getTestName(from, to))
5828         , m_inputBuffer         (getBuffer(from, number))
5829         , m_outputBuffer        (getBuffer(to, number))
5830         {
5831                 m_asmTypes["inputType"]         = getAsmTypeDeclaration(from);
5832                 m_asmTypes["outputType"]        = getAsmTypeDeclaration(to);
5833
5834                 if (m_features == COMPUTE_TEST_USES_INT16)
5835                 {
5836                         m_asmTypes["int_capabilities"] = "OpCapability Int16\n";
5837                 }
5838                 else if (m_features == COMPUTE_TEST_USES_INT64)
5839                 {
5840                         m_asmTypes["int_capabilities"] = "OpCapability Int64\n";
5841                 }
5842                 else if (m_features == COMPUTE_TEST_USES_INT16_INT64)
5843                 {
5844                         m_asmTypes["int_capabilities"] = string("OpCapability Int16\n") +
5845                                                                                                         "OpCapability Int64\n";
5846                 }
5847                 else
5848                 {
5849                         DE_ASSERT(false);
5850                 }
5851         }
5852
5853         IntegerType                             m_fromType;
5854         IntegerType                             m_toType;
5855         ComputeTestFeatures             m_features;
5856         string                                  m_name;
5857         map<string, string>             m_asmTypes;
5858         BufferSp                                m_inputBuffer;
5859         BufferSp                                m_outputBuffer;
5860 };
5861
5862 const string getConvertCaseShaderStr (const string& instruction, const ConvertCase& convertCase)
5863 {
5864         map<string, string> params = convertCase.m_asmTypes;
5865
5866         params["instruction"] = instruction;
5867
5868         params["inDecorator"] = getByteWidthStr(convertCase.m_fromType);
5869         params["outDecorator"] = getByteWidthStr(convertCase.m_toType);
5870
5871         const StringTemplate shader (
5872                 "OpCapability Shader\n"
5873                 "${int_capabilities}"
5874                 "OpMemoryModel Logical GLSL450\n"
5875                 "OpEntryPoint GLCompute %main \"main\" %id\n"
5876                 "OpExecutionMode %main LocalSize 1 1 1\n"
5877                 "OpSource GLSL 430\n"
5878                 "OpName %main           \"main\"\n"
5879                 "OpName %id             \"gl_GlobalInvocationID\"\n"
5880                 // Decorators
5881                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
5882                 "OpDecorate %indata DescriptorSet 0\n"
5883                 "OpDecorate %indata Binding 0\n"
5884                 "OpDecorate %outdata DescriptorSet 0\n"
5885                 "OpDecorate %outdata Binding 1\n"
5886                 "OpDecorate %in_arr ArrayStride ${inDecorator}\n"
5887                 "OpDecorate %out_arr ArrayStride ${outDecorator}\n"
5888                 "OpDecorate %in_buf BufferBlock\n"
5889                 "OpDecorate %out_buf BufferBlock\n"
5890                 "OpMemberDecorate %in_buf 0 Offset 0\n"
5891                 "OpMemberDecorate %out_buf 0 Offset 0\n"
5892                 // Base types
5893                 "%void       = OpTypeVoid\n"
5894                 "%voidf      = OpTypeFunction %void\n"
5895                 "%u32        = OpTypeInt 32 0\n"
5896                 "%i32        = OpTypeInt 32 1\n"
5897                 "%uvec3      = OpTypeVector %u32 3\n"
5898                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
5899                 // Custom types
5900                 "%in_type    = ${inputType}\n"
5901                 "%out_type   = ${outputType}\n"
5902                 // Derived types
5903                 "%in_ptr     = OpTypePointer Uniform %in_type\n"
5904                 "%out_ptr    = OpTypePointer Uniform %out_type\n"
5905                 "%in_arr     = OpTypeRuntimeArray %in_type\n"
5906                 "%out_arr    = OpTypeRuntimeArray %out_type\n"
5907                 "%in_buf     = OpTypeStruct %in_arr\n"
5908                 "%out_buf    = OpTypeStruct %out_arr\n"
5909                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
5910                 "%out_bufptr = OpTypePointer Uniform %out_buf\n"
5911                 "%indata     = OpVariable %in_bufptr Uniform\n"
5912                 "%outdata    = OpVariable %out_bufptr Uniform\n"
5913                 "%inputptr   = OpTypePointer Input %in_type\n"
5914                 "%id         = OpVariable %uvec3ptr Input\n"
5915                 // Constants
5916                 "%zero       = OpConstant %i32 0\n"
5917                 // Main function
5918                 "%main       = OpFunction %void None %voidf\n"
5919                 "%label      = OpLabel\n"
5920                 "%idval      = OpLoad %uvec3 %id\n"
5921                 "%x          = OpCompositeExtract %u32 %idval 0\n"
5922                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
5923                 "%outloc     = OpAccessChain %out_ptr %outdata %zero %x\n"
5924                 "%inval      = OpLoad %in_type %inloc\n"
5925                 "%conv       = ${instruction} %out_type %inval\n"
5926                 "              OpStore %outloc %conv\n"
5927                 "              OpReturn\n"
5928                 "              OpFunctionEnd\n"
5929         );
5930
5931         return shader.specialize(params);
5932 }
5933
5934 void createSConvertCases (vector<ConvertCase>& testCases)
5935 {
5936         // Convert int to int
5937         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_32,         14669));
5938         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_64,         3341));
5939
5940         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_SIGNED_64,         973610259));
5941
5942         // Convert int to unsigned int
5943         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_32,       9288));
5944         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_64,       15460));
5945
5946         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_UNSIGNED_64,       346213461));
5947 }
5948
5949 //  Test for the OpSConvert instruction.
5950 tcu::TestCaseGroup* createSConvertTests (tcu::TestContext& testCtx)
5951 {
5952         const string instruction                                ("OpSConvert");
5953         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "sconvert", "OpSConvert"));
5954         vector<ConvertCase>                             testCases;
5955         createSConvertCases(testCases);
5956
5957         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
5958         {
5959                 ComputeShaderSpec       spec;
5960
5961                 spec.assembly = getConvertCaseShaderStr(instruction, *test);
5962                 spec.inputs.push_back(test->m_inputBuffer);
5963                 spec.outputs.push_back(test->m_outputBuffer);
5964                 spec.numWorkGroups = IVec3(1, 1, 1);
5965
5966                 group->addChild(new SpvAsmComputeShaderCase(testCtx, test->m_name.c_str(), "Convert integers with OpSConvert.", spec, test->m_features));
5967         }
5968
5969         return group.release();
5970 }
5971
5972 void createUConvertCases (vector<ConvertCase>& testCases)
5973 {
5974         // Convert unsigned int to unsigned int
5975         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_32,       60653));
5976         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_64,       17991));
5977
5978         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_32,       INTEGER_TYPE_UNSIGNED_64,       904256275));
5979
5980         // Convert unsigned int to int
5981         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_SIGNED_32,         38002));
5982         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_SIGNED_64,         64921));
5983
5984         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_32,       INTEGER_TYPE_SIGNED_64,         4294956295ll));
5985 }
5986
5987 //  Test for the OpUConvert instruction.
5988 tcu::TestCaseGroup* createUConvertTests (tcu::TestContext& testCtx)
5989 {
5990         const string instruction                                ("OpUConvert");
5991         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "uconvert", "OpUConvert"));
5992         vector<ConvertCase>                             testCases;
5993         createUConvertCases(testCases);
5994
5995         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
5996         {
5997                 ComputeShaderSpec       spec;
5998
5999                 spec.assembly = getConvertCaseShaderStr(instruction, *test);
6000                 spec.inputs.push_back(test->m_inputBuffer);
6001                 spec.outputs.push_back(test->m_outputBuffer);
6002                 spec.numWorkGroups = IVec3(1, 1, 1);
6003
6004                 group->addChild(new SpvAsmComputeShaderCase(testCtx, test->m_name.c_str(), "Convert integers with OpUConvert.", spec, test->m_features));
6005         }
6006         return group.release();
6007 }
6008
6009 const string getNumberTypeName (const NumberType type)
6010 {
6011         if (type == NUMBERTYPE_INT32)
6012         {
6013                 return "int";
6014         }
6015         else if (type == NUMBERTYPE_UINT32)
6016         {
6017                 return "uint";
6018         }
6019         else if (type == NUMBERTYPE_FLOAT32)
6020         {
6021                 return "float";
6022         }
6023         else
6024         {
6025                 DE_ASSERT(false);
6026                 return "";
6027         }
6028 }
6029
6030 deInt32 getInt(de::Random& rnd)
6031 {
6032         return rnd.getInt(std::numeric_limits<int>::min(), std::numeric_limits<int>::max());
6033 }
6034
6035 const string repeatString (const string& str, int times)
6036 {
6037         string filler;
6038         for (int i = 0; i < times; ++i)
6039         {
6040                 filler += str;
6041         }
6042         return filler;
6043 }
6044
6045 const string getRandomConstantString (const NumberType type, de::Random& rnd)
6046 {
6047         if (type == NUMBERTYPE_INT32)
6048         {
6049                 return numberToString<deInt32>(getInt(rnd));
6050         }
6051         else if (type == NUMBERTYPE_UINT32)
6052         {
6053                 return numberToString<deUint32>(rnd.getUint32());
6054         }
6055         else if (type == NUMBERTYPE_FLOAT32)
6056         {
6057                 return numberToString<float>(rnd.getFloat());
6058         }
6059         else
6060         {
6061                 DE_ASSERT(false);
6062                 return "";
6063         }
6064 }
6065
6066 void createVectorCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
6067 {
6068         map<string, string> params;
6069
6070         // Vec2 to Vec4
6071         for (int width = 2; width <= 4; ++width)
6072         {
6073                 string randomConst = numberToString(getInt(rnd));
6074                 string widthStr = numberToString(width);
6075                 int index = rnd.getInt(0, width-1);
6076
6077                 params["type"]                                  = "vec";
6078                 params["name"]                                  = params["type"] + "_" + widthStr;
6079                 params["compositeType"]                 = "%composite = OpTypeVector %custom " + widthStr +"\n";
6080                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
6081                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
6082                 params["indexes"]                               = numberToString(index);
6083                 testCases.push_back(params);
6084         }
6085 }
6086
6087 void createArrayCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
6088 {
6089         const int limit = 10;
6090         map<string, string> params;
6091
6092         for (int width = 2; width <= limit; ++width)
6093         {
6094                 string randomConst = numberToString(getInt(rnd));
6095                 string widthStr = numberToString(width);
6096                 int index = rnd.getInt(0, width-1);
6097
6098                 params["type"]                                  = "array";
6099                 params["name"]                                  = params["type"] + "_" + widthStr;
6100                 params["compositeType"]                 = string("%arraywidth = OpConstant %u32 " + widthStr + "\n")
6101                                                                                         +        "%composite = OpTypeArray %custom %arraywidth\n";
6102
6103                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
6104                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
6105                 params["indexes"]                               = numberToString(index);
6106                 testCases.push_back(params);
6107         }
6108 }
6109
6110 void createStructCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
6111 {
6112         const int limit = 10;
6113         map<string, string> params;
6114
6115         for (int width = 2; width <= limit; ++width)
6116         {
6117                 string randomConst = numberToString(getInt(rnd));
6118                 int index = rnd.getInt(0, width-1);
6119
6120                 params["type"]                                  = "struct";
6121                 params["name"]                                  = params["type"] + "_" + numberToString(width);
6122                 params["compositeType"]                 = "%composite = OpTypeStruct" + repeatString(" %custom", width) + "\n";
6123                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
6124                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
6125                 params["indexes"]                               = numberToString(index);
6126                 testCases.push_back(params);
6127         }
6128 }
6129
6130 void createMatrixCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
6131 {
6132         map<string, string> params;
6133
6134         // Vec2 to Vec4
6135         for (int width = 2; width <= 4; ++width)
6136         {
6137                 string widthStr = numberToString(width);
6138
6139                 for (int column = 2 ; column <= 4; ++column)
6140                 {
6141                         int index_0 = rnd.getInt(0, column-1);
6142                         int index_1 = rnd.getInt(0, width-1);
6143                         string columnStr = numberToString(column);
6144
6145                         params["type"]                                  = "matrix";
6146                         params["name"]                                  = params["type"] + "_" + widthStr + "x" + columnStr;
6147                         params["compositeType"]                 = string("%vectype   = OpTypeVector %custom " + widthStr + "\n")
6148                                                                                                 +        "%composite = OpTypeMatrix %vectype " + columnStr + "\n";
6149
6150                         params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n"
6151                                                                                                 +        "%fillerVec = OpConstantComposite %vectype" + repeatString(" %filler", width) + "\n";
6152
6153                         params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %fillerVec", column) + "\n";
6154                         params["indexes"]                               = numberToString(index_0) + " " + numberToString(index_1);
6155                         testCases.push_back(params);
6156                 }
6157         }
6158 }
6159
6160 void createCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
6161 {
6162         createVectorCompositeCases(testCases, rnd, type);
6163         createArrayCompositeCases(testCases, rnd, type);
6164         createStructCompositeCases(testCases, rnd, type);
6165         // Matrix only supports float types
6166         if (type == NUMBERTYPE_FLOAT32)
6167         {
6168                 createMatrixCompositeCases(testCases, rnd, type);
6169         }
6170 }
6171
6172 const string getAssemblyTypeDeclaration (const NumberType type)
6173 {
6174         switch (type)
6175         {
6176                 case NUMBERTYPE_INT32:          return "OpTypeInt 32 1";
6177                 case NUMBERTYPE_UINT32:         return "OpTypeInt 32 0";
6178                 case NUMBERTYPE_FLOAT32:        return "OpTypeFloat 32";
6179                 default:                        DE_ASSERT(false); return "";
6180         }
6181 }
6182
6183 const string specializeCompositeInsertShaderTemplate (const NumberType type, const map<string, string>& params)
6184 {
6185         map<string, string>     parameters(params);
6186
6187         parameters["typeDeclaration"] = getAssemblyTypeDeclaration(type);
6188
6189         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
6190
6191         return StringTemplate (
6192                 "OpCapability Shader\n"
6193                 "OpCapability Matrix\n"
6194                 "OpMemoryModel Logical GLSL450\n"
6195                 "OpEntryPoint GLCompute %main \"main\" %id\n"
6196                 "OpExecutionMode %main LocalSize 1 1 1\n"
6197
6198                 "OpSource GLSL 430\n"
6199                 "OpName %main           \"main\"\n"
6200                 "OpName %id             \"gl_GlobalInvocationID\"\n"
6201
6202                 // Decorators
6203                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
6204                 "OpDecorate %buf BufferBlock\n"
6205                 "OpDecorate %indata DescriptorSet 0\n"
6206                 "OpDecorate %indata Binding 0\n"
6207                 "OpDecorate %outdata DescriptorSet 0\n"
6208                 "OpDecorate %outdata Binding 1\n"
6209                 "OpDecorate %customarr ArrayStride 4\n"
6210                 "${compositeDecorator}"
6211                 "OpMemberDecorate %buf 0 Offset 0\n"
6212
6213                 // General types
6214                 "%void      = OpTypeVoid\n"
6215                 "%voidf     = OpTypeFunction %void\n"
6216                 "%u32       = OpTypeInt 32 0\n"
6217                 "%i32       = OpTypeInt 32 1\n"
6218                 "%uvec3     = OpTypeVector %u32 3\n"
6219                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
6220
6221                 // Custom type
6222                 "%custom    = ${typeDeclaration}\n"
6223                 "${compositeType}"
6224
6225                 // Constants
6226                 "${filler}"
6227
6228                 // Inherited from custom
6229                 "%customptr = OpTypePointer Uniform %custom\n"
6230                 "%customarr = OpTypeRuntimeArray %custom\n"
6231                 "%buf       = OpTypeStruct %customarr\n"
6232                 "%bufptr    = OpTypePointer Uniform %buf\n"
6233
6234                 "%indata    = OpVariable %bufptr Uniform\n"
6235                 "%outdata   = OpVariable %bufptr Uniform\n"
6236
6237                 "%id        = OpVariable %uvec3ptr Input\n"
6238                 "%zero      = OpConstant %i32 0\n"
6239
6240                 "%main      = OpFunction %void None %voidf\n"
6241                 "%label     = OpLabel\n"
6242                 "%idval     = OpLoad %uvec3 %id\n"
6243                 "%x         = OpCompositeExtract %u32 %idval 0\n"
6244
6245                 "%inloc     = OpAccessChain %customptr %indata %zero %x\n"
6246                 "%outloc    = OpAccessChain %customptr %outdata %zero %x\n"
6247                 // Read the input value
6248                 "%inval     = OpLoad %custom %inloc\n"
6249                 // Create the composite and fill it
6250                 "${compositeConstruct}"
6251                 // Insert the input value to a place
6252                 "%instance2 = OpCompositeInsert %composite %inval %instance ${indexes}\n"
6253                 // Read back the value from the position
6254                 "%out_val   = OpCompositeExtract %custom %instance2 ${indexes}\n"
6255                 // Store it in the output position
6256                 "             OpStore %outloc %out_val\n"
6257                 "             OpReturn\n"
6258                 "             OpFunctionEnd\n"
6259         ).specialize(parameters);
6260 }
6261
6262 template<typename T>
6263 BufferSp createCompositeBuffer(T number)
6264 {
6265         return BufferSp(new Buffer<T>(vector<T>(1, number)));
6266 }
6267
6268 tcu::TestCaseGroup* createOpCompositeInsertGroup (tcu::TestContext& testCtx)
6269 {
6270         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "opcompositeinsert", "Test the OpCompositeInsert instruction"));
6271         de::Random                                              rnd             (deStringHash(group->getName()));
6272
6273         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
6274         {
6275                 NumberType                                              numberType              = NumberType(type);
6276                 const string                                    typeName                = getNumberTypeName(numberType);
6277                 const string                                    description             = "Test the OpCompositeInsert instruction with " + typeName + "s";
6278                 de::MovePtr<tcu::TestCaseGroup> subGroup                (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
6279                 vector<map<string, string> >    testCases;
6280
6281                 createCompositeCases(testCases, rnd, numberType);
6282
6283                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
6284                 {
6285                         ComputeShaderSpec       spec;
6286
6287                         spec.assembly = specializeCompositeInsertShaderTemplate(numberType, *test);
6288
6289                         switch (numberType)
6290                         {
6291                                 case NUMBERTYPE_INT32:
6292                                 {
6293                                         deInt32 number = getInt(rnd);
6294                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
6295                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
6296                                         break;
6297                                 }
6298                                 case NUMBERTYPE_UINT32:
6299                                 {
6300                                         deUint32 number = rnd.getUint32();
6301                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
6302                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
6303                                         break;
6304                                 }
6305                                 case NUMBERTYPE_FLOAT32:
6306                                 {
6307                                         float number = rnd.getFloat();
6308                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
6309                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
6310                                         break;
6311                                 }
6312                                 default:
6313                                         DE_ASSERT(false);
6314                         }
6315
6316                         spec.numWorkGroups = IVec3(1, 1, 1);
6317                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpCompositeInsert test", spec));
6318                 }
6319                 group->addChild(subGroup.release());
6320         }
6321         return group.release();
6322 }
6323
6324 struct AssemblyStructInfo
6325 {
6326         AssemblyStructInfo (const deUint32 comp, const deUint32 idx)
6327         : components    (comp)
6328         , index                 (idx)
6329         {}
6330
6331         deUint32 components;
6332         deUint32 index;
6333 };
6334
6335 const string specializeInBoundsShaderTemplate (const NumberType type, const AssemblyStructInfo& structInfo, const map<string, string>& params)
6336 {
6337         // Create the full index string
6338         string                          fullIndex       = numberToString(structInfo.index) + " " + params.at("indexes");
6339         // Convert it to list of indexes
6340         vector<string>          indexes         = de::splitString(fullIndex, ' ');
6341
6342         map<string, string>     parameters      (params);
6343         parameters["typeDeclaration"]   = getAssemblyTypeDeclaration(type);
6344         parameters["structType"]                = repeatString(" %composite", structInfo.components);
6345         parameters["structConstruct"]   = repeatString(" %instance", structInfo.components);
6346         parameters["insertIndexes"]             = fullIndex;
6347
6348         // In matrix cases the last two index is the CompositeExtract indexes
6349         const deUint32 extractIndexes = (parameters["type"] == "matrix") ? 2 : 1;
6350
6351         // Construct the extractIndex
6352         for (vector<string>::const_iterator index = indexes.end() - extractIndexes; index != indexes.end(); ++index)
6353         {
6354                 parameters["extractIndexes"] += " " + *index;
6355         }
6356
6357         // Remove the last 1 or 2 element depends on matrix case or not
6358         indexes.erase(indexes.end() - extractIndexes, indexes.end());
6359
6360         deUint32 id = 0;
6361         // Generate AccessChain index expressions (except for the last one, because we use ptr to the composite)
6362         for (vector<string>::const_iterator index = indexes.begin(); index != indexes.end(); ++index)
6363         {
6364                 string indexId = "%index_" + numberToString(id++);
6365                 parameters["accessChainConstDeclaration"] += indexId + "   = OpConstant %u32 " + *index + "\n";
6366                 parameters["accessChainIndexes"] += " " + indexId;
6367         }
6368
6369         parameters["compositeDecorator"] = (parameters["type"] == "array") ? "OpDecorate %composite ArrayStride 4\n" : "";
6370
6371         return StringTemplate (
6372                 "OpCapability Shader\n"
6373                 "OpCapability Matrix\n"
6374                 "OpMemoryModel Logical GLSL450\n"
6375                 "OpEntryPoint GLCompute %main \"main\" %id\n"
6376                 "OpExecutionMode %main LocalSize 1 1 1\n"
6377
6378                 "OpSource GLSL 430\n"
6379                 "OpName %main           \"main\"\n"
6380                 "OpName %id             \"gl_GlobalInvocationID\"\n"
6381                 // Decorators
6382                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
6383                 "OpDecorate %buf BufferBlock\n"
6384                 "OpDecorate %indata DescriptorSet 0\n"
6385                 "OpDecorate %indata Binding 0\n"
6386                 "OpDecorate %outdata DescriptorSet 0\n"
6387                 "OpDecorate %outdata Binding 1\n"
6388                 "OpDecorate %customarr ArrayStride 4\n"
6389                 "${compositeDecorator}"
6390                 "OpMemberDecorate %buf 0 Offset 0\n"
6391                 // General types
6392                 "%void      = OpTypeVoid\n"
6393                 "%voidf     = OpTypeFunction %void\n"
6394                 "%u32       = OpTypeInt 32 0\n"
6395                 "%uvec3     = OpTypeVector %u32 3\n"
6396                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
6397                 // Custom type
6398                 "%custom    = ${typeDeclaration}\n"
6399                 // Custom types
6400                 "${compositeType}"
6401                 // Inherited from composite
6402                 "%composite_p = OpTypePointer Function %composite\n"
6403                 "%struct_t  = OpTypeStruct${structType}\n"
6404                 "%struct_p  = OpTypePointer Function %struct_t\n"
6405                 // Constants
6406                 "${filler}"
6407                 "${accessChainConstDeclaration}"
6408                 // Inherited from custom
6409                 "%customptr = OpTypePointer Uniform %custom\n"
6410                 "%customarr = OpTypeRuntimeArray %custom\n"
6411                 "%buf       = OpTypeStruct %customarr\n"
6412                 "%bufptr    = OpTypePointer Uniform %buf\n"
6413                 "%indata    = OpVariable %bufptr Uniform\n"
6414                 "%outdata   = OpVariable %bufptr Uniform\n"
6415
6416                 "%id        = OpVariable %uvec3ptr Input\n"
6417                 "%zero      = OpConstant %u32 0\n"
6418                 "%main      = OpFunction %void None %voidf\n"
6419                 "%label     = OpLabel\n"
6420                 "%struct_v  = OpVariable %struct_p Function\n"
6421                 "%idval     = OpLoad %uvec3 %id\n"
6422                 "%x         = OpCompositeExtract %u32 %idval 0\n"
6423                 // Create the input/output type
6424                 "%inloc     = OpInBoundsAccessChain %customptr %indata %zero %x\n"
6425                 "%outloc    = OpInBoundsAccessChain %customptr %outdata %zero %x\n"
6426                 // Read the input value
6427                 "%inval     = OpLoad %custom %inloc\n"
6428                 // Create the composite and fill it
6429                 "${compositeConstruct}"
6430                 // Create the struct and fill it with the composite
6431                 "%struct    = OpCompositeConstruct %struct_t${structConstruct}\n"
6432                 // Insert the value
6433                 "%comp_obj  = OpCompositeInsert %struct_t %inval %struct ${insertIndexes}\n"
6434                 // Store the object
6435                 "             OpStore %struct_v %comp_obj\n"
6436                 // Get deepest possible composite pointer
6437                 "%inner_ptr = OpInBoundsAccessChain %composite_p %struct_v${accessChainIndexes}\n"
6438                 "%read_obj  = OpLoad %composite %inner_ptr\n"
6439                 // Read back the stored value
6440                 "%read_val  = OpCompositeExtract %custom %read_obj${extractIndexes}\n"
6441                 "             OpStore %outloc %read_val\n"
6442                 "             OpReturn\n"
6443                 "             OpFunctionEnd\n").specialize(parameters);
6444 }
6445
6446 tcu::TestCaseGroup* createOpInBoundsAccessChainGroup (tcu::TestContext& testCtx)
6447 {
6448         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opinboundsaccesschain", "Test the OpInBoundsAccessChain instruction"));
6449         de::Random                                              rnd                             (deStringHash(group->getName()));
6450
6451         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
6452         {
6453                 NumberType                                              numberType      = NumberType(type);
6454                 const string                                    typeName        = getNumberTypeName(numberType);
6455                 const string                                    description     = "Test the OpInBoundsAccessChain instruction with " + typeName + "s";
6456                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
6457
6458                 vector<map<string, string> >    testCases;
6459                 createCompositeCases(testCases, rnd, numberType);
6460
6461                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
6462                 {
6463                         ComputeShaderSpec       spec;
6464
6465                         // Number of components inside of a struct
6466                         deUint32 structComponents = rnd.getInt(2, 8);
6467                         // Component index value
6468                         deUint32 structIndex = rnd.getInt(0, structComponents - 1);
6469                         AssemblyStructInfo structInfo(structComponents, structIndex);
6470
6471                         spec.assembly = specializeInBoundsShaderTemplate(numberType, structInfo, *test);
6472
6473                         switch (numberType)
6474                         {
6475                                 case NUMBERTYPE_INT32:
6476                                 {
6477                                         deInt32 number = getInt(rnd);
6478                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
6479                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
6480                                         break;
6481                                 }
6482                                 case NUMBERTYPE_UINT32:
6483                                 {
6484                                         deUint32 number = rnd.getUint32();
6485                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
6486                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
6487                                         break;
6488                                 }
6489                                 case NUMBERTYPE_FLOAT32:
6490                                 {
6491                                         float number = rnd.getFloat();
6492                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
6493                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
6494                                         break;
6495                                 }
6496                                 default:
6497                                         DE_ASSERT(false);
6498                         }
6499                         spec.numWorkGroups = IVec3(1, 1, 1);
6500                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpInBoundsAccessChain test", spec));
6501                 }
6502                 group->addChild(subGroup.release());
6503         }
6504         return group.release();
6505 }
6506
6507 // If the params missing, uninitialized case
6508 const string specializeDefaultOutputShaderTemplate (const NumberType type, const map<string, string>& params = map<string, string>())
6509 {
6510         map<string, string> parameters(params);
6511
6512         parameters["typeDeclaration"] = getAssemblyTypeDeclaration(type);
6513
6514         // Declare the const value, and use it in the initializer
6515         if (params.find("constValue") != params.end())
6516         {
6517                 parameters["constDeclaration"]          = "%const      = OpConstant %in_type " + params.at("constValue") + "\n";
6518                 parameters["variableInitializer"]       = "%const";
6519         }
6520         // Uninitialized case
6521         else
6522         {
6523                 parameters["constDeclaration"]          = "";
6524                 parameters["variableInitializer"]       = "";
6525         }
6526
6527         return StringTemplate(
6528                 "OpCapability Shader\n"
6529                 "OpMemoryModel Logical GLSL450\n"
6530                 "OpEntryPoint GLCompute %main \"main\" %id\n"
6531                 "OpExecutionMode %main LocalSize 1 1 1\n"
6532                 "OpSource GLSL 430\n"
6533                 "OpName %main           \"main\"\n"
6534                 "OpName %id             \"gl_GlobalInvocationID\"\n"
6535                 // Decorators
6536                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
6537                 "OpDecorate %indata DescriptorSet 0\n"
6538                 "OpDecorate %indata Binding 0\n"
6539                 "OpDecorate %outdata DescriptorSet 0\n"
6540                 "OpDecorate %outdata Binding 1\n"
6541                 "OpDecorate %in_arr ArrayStride 4\n"
6542                 "OpDecorate %in_buf BufferBlock\n"
6543                 "OpMemberDecorate %in_buf 0 Offset 0\n"
6544                 // Base types
6545                 "%void       = OpTypeVoid\n"
6546                 "%voidf      = OpTypeFunction %void\n"
6547                 "%u32        = OpTypeInt 32 0\n"
6548                 "%i32        = OpTypeInt 32 1\n"
6549                 "%uvec3      = OpTypeVector %u32 3\n"
6550                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
6551                 // Custom types
6552                 "%in_type    = ${typeDeclaration}\n"
6553                 // "%const      = OpConstant %in_type ${constValue}\n"
6554                 "${constDeclaration}\n"
6555                 // Derived types
6556                 "%in_ptr     = OpTypePointer Uniform %in_type\n"
6557                 "%in_arr     = OpTypeRuntimeArray %in_type\n"
6558                 "%in_buf     = OpTypeStruct %in_arr\n"
6559                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
6560                 "%indata     = OpVariable %in_bufptr Uniform\n"
6561                 "%outdata    = OpVariable %in_bufptr Uniform\n"
6562                 "%id         = OpVariable %uvec3ptr Input\n"
6563                 "%var_ptr    = OpTypePointer Function %in_type\n"
6564                 // Constants
6565                 "%zero       = OpConstant %i32 0\n"
6566                 // Main function
6567                 "%main       = OpFunction %void None %voidf\n"
6568                 "%label      = OpLabel\n"
6569                 "%out_var    = OpVariable %var_ptr Function ${variableInitializer}\n"
6570                 "%idval      = OpLoad %uvec3 %id\n"
6571                 "%x          = OpCompositeExtract %u32 %idval 0\n"
6572                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
6573                 "%outloc     = OpAccessChain %in_ptr %outdata %zero %x\n"
6574
6575                 "%outval     = OpLoad %in_type %out_var\n"
6576                 "              OpStore %outloc %outval\n"
6577                 "              OpReturn\n"
6578                 "              OpFunctionEnd\n"
6579         ).specialize(parameters);
6580 }
6581
6582 bool compareFloats (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog& log)
6583 {
6584         DE_ASSERT(outputAllocs.size() != 0);
6585         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
6586
6587         // Use custom epsilon because of the float->string conversion
6588         const float     epsilon = 0.00001f;
6589
6590         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
6591         {
6592                 float expected;
6593                 memcpy(&expected, expectedOutputs[outputNdx]->data(), expectedOutputs[outputNdx]->getNumBytes());
6594
6595                 float actual;
6596                 memcpy(&actual, outputAllocs[outputNdx]->getHostPtr(), expectedOutputs[outputNdx]->getNumBytes());
6597
6598                 // Test with epsilon
6599                 if (fabs(expected - actual) > epsilon)
6600                 {
6601                         log << TestLog::Message << "Error: The actual and expected values not matching."
6602                                 << " Expected: " << expected << " Actual: " << actual << " Epsilon: " << epsilon << TestLog::EndMessage;
6603                         return false;
6604                 }
6605         }
6606         return true;
6607 }
6608
6609 // Checks if the driver crash with uninitialized cases
6610 bool passthruVerify (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
6611 {
6612         DE_ASSERT(outputAllocs.size() != 0);
6613         DE_ASSERT(outputAllocs.size() == expectedOutputs.size());
6614
6615         // Copy and discard the result.
6616         for (size_t outputNdx = 0; outputNdx < outputAllocs.size(); ++outputNdx)
6617         {
6618                 size_t width = expectedOutputs[outputNdx]->getNumBytes();
6619
6620                 vector<char> data(width);
6621                 memcpy(&data[0], outputAllocs[outputNdx]->getHostPtr(), width);
6622         }
6623         return true;
6624 }
6625
6626 tcu::TestCaseGroup* createShaderDefaultOutputGroup (tcu::TestContext& testCtx)
6627 {
6628         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "shader_default_output", "Test shader default output."));
6629         de::Random                                              rnd             (deStringHash(group->getName()));
6630
6631         for (int type = NUMBERTYPE_INT32; type != NUMBERTYPE_END32; ++type)
6632         {
6633                 NumberType                                              numberType      = NumberType(type);
6634                 const string                                    typeName        = getNumberTypeName(numberType);
6635                 const string                                    description     = "Test the OpVariable initializer with " + typeName + ".";
6636                 de::MovePtr<tcu::TestCaseGroup> subGroup        (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
6637
6638                 // 2 similar subcases (initialized and uninitialized)
6639                 for (int subCase = 0; subCase < 2; ++subCase)
6640                 {
6641                         ComputeShaderSpec spec;
6642                         spec.numWorkGroups = IVec3(1, 1, 1);
6643
6644                         map<string, string>                             params;
6645
6646                         switch (numberType)
6647                         {
6648                                 case NUMBERTYPE_INT32:
6649                                 {
6650                                         deInt32 number = getInt(rnd);
6651                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
6652                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
6653                                         params["constValue"] = numberToString(number);
6654                                         break;
6655                                 }
6656                                 case NUMBERTYPE_UINT32:
6657                                 {
6658                                         deUint32 number = rnd.getUint32();
6659                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
6660                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
6661                                         params["constValue"] = numberToString(number);
6662                                         break;
6663                                 }
6664                                 case NUMBERTYPE_FLOAT32:
6665                                 {
6666                                         float number = rnd.getFloat();
6667                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
6668                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
6669                                         spec.verifyIO = &compareFloats;
6670                                         params["constValue"] = numberToString(number);
6671                                         break;
6672                                 }
6673                                 default:
6674                                         DE_ASSERT(false);
6675                         }
6676
6677                         // Initialized subcase
6678                         if (!subCase)
6679                         {
6680                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType, params);
6681                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "initialized", "OpVariable initializer tests.", spec));
6682                         }
6683                         // Uninitialized subcase
6684                         else
6685                         {
6686                                 spec.assembly = specializeDefaultOutputShaderTemplate(numberType);
6687                                 spec.verifyIO = &passthruVerify;
6688                                 subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, "uninitialized", "OpVariable initializer tests.", spec));
6689                         }
6690                 }
6691                 group->addChild(subGroup.release());
6692         }
6693         return group.release();
6694 }
6695
6696 tcu::TestCaseGroup* createOpNopTests (tcu::TestContext& testCtx)
6697 {
6698         de::MovePtr<tcu::TestCaseGroup> testGroup (new tcu::TestCaseGroup(testCtx, "opnop", "Test OpNop"));
6699         RGBA                                                    defaultColors[4];
6700         map<string, string>                             opNopFragments;
6701
6702         getDefaultColors(defaultColors);
6703
6704         opNopFragments["testfun"]               =
6705                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6706                 "%param1 = OpFunctionParameter %v4f32\n"
6707                 "%label_testfun = OpLabel\n"
6708                 "OpNop\n"
6709                 "OpNop\n"
6710                 "OpNop\n"
6711                 "OpNop\n"
6712                 "OpNop\n"
6713                 "OpNop\n"
6714                 "OpNop\n"
6715                 "OpNop\n"
6716                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6717                 "%b = OpFAdd %f32 %a %a\n"
6718                 "OpNop\n"
6719                 "%c = OpFSub %f32 %b %a\n"
6720                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %c %c_i32_0\n"
6721                 "OpNop\n"
6722                 "OpNop\n"
6723                 "OpReturnValue %ret\n"
6724                 "OpFunctionEnd\n";
6725
6726         createTestsForAllStages("opnop", defaultColors, defaultColors, opNopFragments, testGroup.get());
6727
6728         return testGroup.release();
6729 }
6730
6731 tcu::TestCaseGroup* createInstructionTests (tcu::TestContext& testCtx)
6732 {
6733         de::MovePtr<tcu::TestCaseGroup> instructionTests        (new tcu::TestCaseGroup(testCtx, "instruction", "Instructions with special opcodes/operands"));
6734         de::MovePtr<tcu::TestCaseGroup> computeTests            (new tcu::TestCaseGroup(testCtx, "compute", "Compute Instructions with special opcodes/operands"));
6735         de::MovePtr<tcu::TestCaseGroup> graphicsTests           (new tcu::TestCaseGroup(testCtx, "graphics", "Graphics Instructions with special opcodes/operands"));
6736
6737         computeTests->addChild(createOpNopGroup(testCtx));
6738         computeTests->addChild(createOpFUnordGroup(testCtx));
6739         computeTests->addChild(createOpAtomicGroup(testCtx, false));
6740         computeTests->addChild(createOpAtomicGroup(testCtx, true)); // Using new StorageBuffer decoration
6741         computeTests->addChild(createOpLineGroup(testCtx));
6742         computeTests->addChild(createOpNoLineGroup(testCtx));
6743         computeTests->addChild(createOpConstantNullGroup(testCtx));
6744         computeTests->addChild(createOpConstantCompositeGroup(testCtx));
6745         computeTests->addChild(createOpConstantUsageGroup(testCtx));
6746         computeTests->addChild(createSpecConstantGroup(testCtx));
6747         computeTests->addChild(createOpSourceGroup(testCtx));
6748         computeTests->addChild(createOpSourceExtensionGroup(testCtx));
6749         computeTests->addChild(createDecorationGroupGroup(testCtx));
6750         computeTests->addChild(createOpPhiGroup(testCtx));
6751         computeTests->addChild(createLoopControlGroup(testCtx));
6752         computeTests->addChild(createFunctionControlGroup(testCtx));
6753         computeTests->addChild(createSelectionControlGroup(testCtx));
6754         computeTests->addChild(createBlockOrderGroup(testCtx));
6755         computeTests->addChild(createMultipleShaderGroup(testCtx));
6756         computeTests->addChild(createMemoryAccessGroup(testCtx));
6757         computeTests->addChild(createOpCopyMemoryGroup(testCtx));
6758         computeTests->addChild(createOpCopyObjectGroup(testCtx));
6759         computeTests->addChild(createNoContractionGroup(testCtx));
6760         computeTests->addChild(createOpUndefGroup(testCtx));
6761         computeTests->addChild(createOpUnreachableGroup(testCtx));
6762         computeTests ->addChild(createOpQuantizeToF16Group(testCtx));
6763         computeTests ->addChild(createOpFRemGroup(testCtx));
6764         computeTests->addChild(createSConvertTests(testCtx));
6765         computeTests->addChild(createUConvertTests(testCtx));
6766         computeTests->addChild(createOpCompositeInsertGroup(testCtx));
6767         computeTests->addChild(createOpInBoundsAccessChainGroup(testCtx));
6768         computeTests->addChild(createShaderDefaultOutputGroup(testCtx));
6769         computeTests->addChild(create16BitStorageComputeGroup(testCtx));
6770
6771         graphicsTests->addChild(createOpNopTests(testCtx));
6772         graphicsTests->addChild(createOpSourceTests(testCtx));
6773         graphicsTests->addChild(createOpSourceContinuedTests(testCtx));
6774         graphicsTests->addChild(createOpLineTests(testCtx));
6775         graphicsTests->addChild(createOpNoLineTests(testCtx));
6776         graphicsTests->addChild(createOpConstantNullTests(testCtx));
6777         graphicsTests->addChild(createOpConstantCompositeTests(testCtx));
6778         graphicsTests->addChild(createMemoryAccessTests(testCtx));
6779         graphicsTests->addChild(createOpUndefTests(testCtx));
6780         graphicsTests->addChild(createSelectionBlockOrderTests(testCtx));
6781         graphicsTests->addChild(createModuleTests(testCtx));
6782         graphicsTests->addChild(createSwitchBlockOrderTests(testCtx));
6783         graphicsTests->addChild(createOpPhiTests(testCtx));
6784         graphicsTests->addChild(createNoContractionTests(testCtx));
6785         graphicsTests->addChild(createOpQuantizeTests(testCtx));
6786         graphicsTests->addChild(createLoopTests(testCtx));
6787         graphicsTests->addChild(createSpecConstantTests(testCtx));
6788         graphicsTests->addChild(createSpecConstantOpQuantizeToF16Group(testCtx));
6789         graphicsTests->addChild(createBarrierTests(testCtx));
6790         graphicsTests->addChild(createDecorationGroupTests(testCtx));
6791         graphicsTests->addChild(createFRemTests(testCtx));
6792
6793         graphicsTests->addChild(create16BitStorageGraphicsGroup(testCtx));
6794
6795         instructionTests->addChild(computeTests.release());
6796         instructionTests->addChild(graphicsTests.release());
6797
6798         return instructionTests.release();
6799 }
6800
6801 } // SpirVAssembly
6802 } // vkt