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

   1 /*-------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2015 Google Inc.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  *//*!
  20  * \file
  21  * \brief SPIR-V Assembly Tests for Instructions (special opcode/operand)
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "vktSpvAsmInstructionTests.hpp"
  25
  26 #include "tcuCommandLine.hpp"
  27 #include "tcuFormatUtil.hpp"
  28 #include "tcuFloat.hpp"
  29 #include "tcuRGBA.hpp"
  30 #include "tcuStringTemplate.hpp"
  31 #include "tcuTestLog.hpp"
  32 #include "tcuVectorUtil.hpp"
  33
  34 #include "vkDefs.hpp"
  35 #include "vkDeviceUtil.hpp"
  36 #include "vkMemUtil.hpp"
  37 #include "vkPlatform.hpp"
  38 #include "vkPrograms.hpp"
  39 #include "vkQueryUtil.hpp"
  40 #include "vkRef.hpp"
  41 #include "vkRefUtil.hpp"
  42 #include "vkStrUtil.hpp"
  43 #include "vkTypeUtil.hpp"
  44
  45 #include "deRandom.hpp"
  46 #include "deStringUtil.hpp"
  47 #include "deUniquePtr.hpp"
  48 #include "tcuStringTemplate.hpp"
  49
  50 #include <cmath>
  51 #include "vktSpvAsmComputeShaderCase.hpp"
  52 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  53 #include "vktTestCaseUtil.hpp"
  54
  55 #include <cmath>
  56 #include <limits>
  57 #include <map>
  58 #include <string>
  59 #include <sstream>
  60
  61 namespace vkt
  62 {
  63 namespace SpirVAssembly
  64 {
  65
  66 namespace
  67 {
  68
  69 using namespace vk;
  70 using std::map;
  71 using std::string;
  72 using std::vector;
  73 using tcu::IVec3;
  74 using tcu::IVec4;
  75 using tcu::RGBA;
  76 using tcu::TestLog;
  77 using tcu::TestStatus;
  78 using tcu::Vec4;
  79 using de::UniquePtr;
  80 using tcu::StringTemplate;
  81 using tcu::Vec4;
  82
  83 typedef Unique<VkShaderModule>                  ModuleHandleUp;
  84 typedef de::SharedPtr<ModuleHandleUp>   ModuleHandleSp;
  85
  86 template<typename T>    T                       randomScalar    (de::Random& rnd, T minValue, T maxValue);
  87 template<> inline               float           randomScalar    (de::Random& rnd, float minValue, float maxValue)               { return rnd.getFloat(minValue, maxValue);      }
  88 template<> inline               deInt32         randomScalar    (de::Random& rnd, deInt32 minValue, deInt32 maxValue)   { return rnd.getInt(minValue, maxValue);        }
  89
  90 template<typename T>
  91 static void fillRandomScalars (de::Random& rnd, T minValue, T maxValue, void* dst, int numValues, int offset = 0)
  92 {
  93         T* const typedPtr = (T*)dst;
  94         for (int ndx = 0; ndx < numValues; ndx++)
  95                 typedPtr[offset + ndx] = randomScalar<T>(rnd, minValue, maxValue);
  96 }
  97
  98 static void floorAll (vector<float>& values)
  99 {
 100         for (size_t i = 0; i < values.size(); i++)
 101                 values[i] = deFloatFloor(values[i]);
 102 }
 103
 104 static void floorAll (vector<Vec4>& values)
 105 {
 106         for (size_t i = 0; i < values.size(); i++)
 107                 values[i] = floor(values[i]);
 108 }
 109
 110 struct CaseParameter
 111 {
 112         const char*             name;
 113         string                  param;
 114
 115         CaseParameter   (const char* case_, const string& param_) : name(case_), param(param_) {}
 116 };
 117
 118 // Assembly code used for testing OpNop, OpConstant{Null|Composite}, Op[No]Line, OpSource[Continued], OpSourceExtension, OpUndef is based on GLSL source code:
 119 //
 120 // #version 430
 121 //
 122 // layout(std140, set = 0, binding = 0) readonly buffer Input {
 123 //   float elements[];
 124 // } input_data;
 125 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
 126 //   float elements[];
 127 // } output_data;
 128 //
 129 // layout (local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
 130 //
 131 // void main() {
 132 //   uint x = gl_GlobalInvocationID.x;
 133 //   output_data.elements[x] = -input_data.elements[x];
 134 // }
 135
 136 static const char* const s_ShaderPreamble =
 137         "OpCapability Shader\n"
 138         "OpMemoryModel Logical GLSL450\n"
 139         "OpEntryPoint GLCompute %main \"main\" %id\n"
 140         "OpExecutionMode %main LocalSize 1 1 1\n";
 141
 142 static const char* const s_CommonTypes =
 143         "%bool      = OpTypeBool\n"
 144         "%void      = OpTypeVoid\n"
 145         "%voidf     = OpTypeFunction %void\n"
 146         "%u32       = OpTypeInt 32 0\n"
 147         "%i32       = OpTypeInt 32 1\n"
 148         "%f32       = OpTypeFloat 32\n"
 149         "%uvec3     = OpTypeVector %u32 3\n"
 150         "%fvec3     = OpTypeVector %f32 3\n"
 151         "%uvec3ptr  = OpTypePointer Input %uvec3\n"
 152         "%f32ptr    = OpTypePointer Uniform %f32\n"
 153         "%f32arr    = OpTypeRuntimeArray %f32\n"
 154         "%boolarr   = OpTypeRuntimeArray %bool\n";
 155
 156 // Declares two uniform variables (indata, outdata) of type "struct { float[] }". Depends on type "f32arr" (for "float[]").
 157 static const char* const s_InputOutputBuffer =
 158         "%buf     = OpTypeStruct %f32arr\n"
 159         "%bufptr  = OpTypePointer Uniform %buf\n"
 160         "%indata    = OpVariable %bufptr Uniform\n"
 161         "%outdata   = OpVariable %bufptr Uniform\n";
 162
 163 // Declares buffer type and layout for uniform variables indata and outdata. Both of them are SSBO bounded to descriptor set 0.
 164 // indata is at binding point 0, while outdata is at 1.
 165 static const char* const s_InputOutputBufferTraits =
 166         "OpDecorate %buf BufferBlock\n"
 167         "OpDecorate %indata DescriptorSet 0\n"
 168         "OpDecorate %indata Binding 0\n"
 169         "OpDecorate %outdata DescriptorSet 0\n"
 170         "OpDecorate %outdata Binding 1\n"
 171         "OpDecorate %f32arr ArrayStride 4\n"
 172         "OpMemberDecorate %buf 0 Offset 0\n";
 173
 174 tcu::TestCaseGroup* createOpNopGroup (tcu::TestContext& testCtx)
 175 {
 176         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnop", "Test the OpNop instruction"));
 177         ComputeShaderSpec                               spec;
 178         de::Random                                              rnd                             (deStringHash(group->getName()));
 179         const int                                               numElements             = 100;
 180         vector<float>                                   positiveFloats  (numElements, 0);
 181         vector<float>                                   negativeFloats  (numElements, 0);
 182
 183         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 184
 185         for (size_t ndx = 0; ndx < numElements; ++ndx)
 186                 negativeFloats[ndx] = -positiveFloats[ndx];
 187
 188         spec.assembly =
 189                 string(s_ShaderPreamble) +
 190
 191                 "OpSource GLSL 430\n"
 192                 "OpName %main           \"main\"\n"
 193                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 194
 195                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 196
 197                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes)
 198
 199                 + string(s_InputOutputBuffer) +
 200
 201                 "%id        = OpVariable %uvec3ptr Input\n"
 202                 "%zero      = OpConstant %i32 0\n"
 203
 204                 "%main      = OpFunction %void None %voidf\n"
 205                 "%label     = OpLabel\n"
 206                 "%idval     = OpLoad %uvec3 %id\n"
 207                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 208
 209                 "             OpNop\n" // Inside a function body
 210
 211                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 212                 "%inval     = OpLoad %f32 %inloc\n"
 213                 "%neg       = OpFNegate %f32 %inval\n"
 214                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 215                 "             OpStore %outloc %neg\n"
 216                 "             OpReturn\n"
 217                 "             OpFunctionEnd\n";
 218         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 219         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 220         spec.numWorkGroups = IVec3(numElements, 1, 1);
 221
 222         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNop appearing at different places", spec));
 223
 224         return group.release();
 225 }
 226
 227 bool compareFUnord (const std::vector<BufferSp>& inputs, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog& log)
 228 {
 229         if (outputAllocs.size() != 1)
 230                 return false;
 231
 232         const BufferSp& expectedOutput                  = expectedOutputs[0];
 233         const deInt32*  expectedOutputAsInt             = static_cast<const deInt32*>(expectedOutputs[0]->data());
 234         const deInt32*  outputAsInt                             = static_cast<const deInt32*>(outputAllocs[0]->getHostPtr());
 235         const float*    input1AsFloat                   = static_cast<const float*>(inputs[0]->data());
 236         const float*    input2AsFloat                   = static_cast<const float*>(inputs[1]->data());
 237         bool returnValue                                                = true;
 238
 239         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(deInt32); ++idx)
 240         {
 241                 if (outputAsInt[idx] != expectedOutputAsInt[idx])
 242                 {
 243                         log << TestLog::Message << "ERROR: Sub-case failed. inputs: " << input1AsFloat[idx] << "," << input2AsFloat[idx] << " output: " << outputAsInt[idx]<< " expected output: " << expectedOutputAsInt[idx] << TestLog::EndMessage;
 244                         returnValue = false;
 245                 }
 246         }
 247         return returnValue;
 248 }
 249
 250 typedef VkBool32 (*compareFuncType) (float, float);
 251
 252 struct OpFUnordCase
 253 {
 254         const char*             name;
 255         const char*             opCode;
 256         compareFuncType compareFunc;
 257
 258                                         OpFUnordCase                    (const char* _name, const char* _opCode, compareFuncType _compareFunc)
 259                                                 : name                          (_name)
 260                                                 , opCode                        (_opCode)
 261                                                 , compareFunc           (_compareFunc) {}
 262 };
 263
 264 #define ADD_OPFUNORD_CASE(NAME, OPCODE, OPERATOR) \
 265 do { \
 266     struct compare_##NAME { static VkBool32 compare(float x, float y) { return (x OPERATOR y) ? VK_TRUE : VK_FALSE; } }; \
 267     cases.push_back(OpFUnordCase(#NAME, OPCODE, compare_##NAME::compare)); \
 268 } while (deGetFalse())
 269
 270 tcu::TestCaseGroup* createOpFUnordGroup (tcu::TestContext& testCtx)
 271 {
 272         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfunord", "Test the OpFUnord* opcodes"));
 273         de::Random                                              rnd                             (deStringHash(group->getName()));
 274         const int                                               numElements             = 100;
 275         vector<OpFUnordCase>                    cases;
 276
 277         const StringTemplate                    shaderTemplate  (
 278
 279                 string(s_ShaderPreamble) +
 280
 281                 "OpSource GLSL 430\n"
 282                 "OpName %main           \"main\"\n"
 283                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 284
 285                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 286
 287                 "OpDecorate %buf BufferBlock\n"
 288                 "OpDecorate %buf2 BufferBlock\n"
 289                 "OpDecorate %indata1 DescriptorSet 0\n"
 290                 "OpDecorate %indata1 Binding 0\n"
 291                 "OpDecorate %indata2 DescriptorSet 0\n"
 292                 "OpDecorate %indata2 Binding 1\n"
 293                 "OpDecorate %outdata DescriptorSet 0\n"
 294                 "OpDecorate %outdata Binding 2\n"
 295                 "OpDecorate %f32arr ArrayStride 4\n"
 296                 "OpDecorate %boolarr ArrayStride 4\n"
 297                 "OpMemberDecorate %buf 0 Offset 0\n"
 298                 "OpMemberDecorate %buf2 0 Offset 0\n"
 299
 300                 + string(s_CommonTypes) +
 301
 302                 "%i32ptr     = OpTypePointer Uniform %i32\n"
 303                 "%buf        = OpTypeStruct %f32arr\n"
 304                 "%bufptr     = OpTypePointer Uniform %buf\n"
 305                 "%indata1    = OpVariable %bufptr Uniform\n"
 306                 "%indata2    = OpVariable %bufptr Uniform\n"
 307
 308                 "%buf2       = OpTypeStruct %boolarr\n"
 309                 "%buf2ptr    = OpTypePointer Uniform %buf2\n"
 310                 "%outdata    = OpVariable %buf2ptr Uniform\n"
 311
 312                 "%id        = OpVariable %uvec3ptr Input\n"
 313                 "%zero      = OpConstant %i32 0\n"
 314                 "%consti1   = OpConstant %i32 1\n"
 315                 "%constf1   = OpConstant %f32 1.0\n"
 316
 317                 "%main      = OpFunction %void None %voidf\n"
 318                 "%label     = OpLabel\n"
 319                 "%idval     = OpLoad %uvec3 %id\n"
 320                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 321
 322                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 323                 "%inval1    = OpLoad %f32 %inloc1\n"
 324                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 325                 "%inval2    = OpLoad %f32 %inloc2\n"
 326                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
 327
 328                 "%result    = ${OPCODE} %bool %inval1 %inval2\n"
 329                 "%int_res   = OpSelect %i32 %result %consti1 %zero\n"
 330                 "             OpStore %outloc %int_res\n"
 331
 332                 "             OpReturn\n"
 333                 "             OpFunctionEnd\n");
 334
 335         ADD_OPFUNORD_CASE(equal, "OpFUnordEqual", ==);
 336         ADD_OPFUNORD_CASE(less, "OpFUnordLessThan", <);
 337         ADD_OPFUNORD_CASE(lessequal, "OpFUnordLessThanEqual", <=);
 338         ADD_OPFUNORD_CASE(greater, "OpFUnordGreaterThan", >);
 339         ADD_OPFUNORD_CASE(greaterequal, "OpFUnordGreaterThanEqual", >=);
 340         ADD_OPFUNORD_CASE(notequal, "OpFUnordNotEqual", !=);
 341
 342         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 343         {
 344                 map<string, string>                     specializations;
 345                 ComputeShaderSpec                       spec;
 346                 const float                                     NaN                             = std::numeric_limits<float>::quiet_NaN();
 347                 vector<float>                           inputFloats1    (numElements, 0);
 348                 vector<float>                           inputFloats2    (numElements, 0);
 349                 vector<deInt32>                         expectedInts    (numElements, 0);
 350
 351                 specializations["OPCODE"]       = cases[caseNdx].opCode;
 352                 spec.assembly                           = shaderTemplate.specialize(specializations);
 353
 354                 fillRandomScalars(rnd, 1.f, 100.f, &inputFloats1[0], numElements);
 355                 for (size_t ndx = 0; ndx < numElements; ++ndx)
 356                 {
 357                         switch (ndx % 6)
 358                         {
 359                                 case 0:         inputFloats2[ndx] = inputFloats1[ndx] + 1.0f; break;
 360                                 case 1:         inputFloats2[ndx] = inputFloats1[ndx] - 1.0f; break;
 361                                 case 2:         inputFloats2[ndx] = inputFloats1[ndx]; break;
 362                                 case 3:         inputFloats2[ndx] = NaN; break;
 363                                 case 4:         inputFloats2[ndx] = inputFloats1[ndx];  inputFloats1[ndx] = NaN; break;
 364                                 case 5:         inputFloats2[ndx] = NaN;                                inputFloats1[ndx] = NaN; break;
 365                         }
 366                         expectedInts[ndx] = tcu::Float32(inputFloats1[ndx]).isNaN() || tcu::Float32(inputFloats2[ndx]).isNaN() || cases[caseNdx].compareFunc(inputFloats1[ndx], inputFloats2[ndx]);
 367                 }
 368
 369                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 370                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 371                 spec.outputs.push_back(BufferSp(new Int32Buffer(expectedInts)));
 372                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 373                 spec.verifyIO = &compareFUnord;
 374                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 375         }
 376
 377         return group.release();
 378 }
 379
 380 tcu::TestCaseGroup* createOpLineGroup (tcu::TestContext& testCtx)
 381 {
 382         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opline", "Test the OpLine instruction"));
 383         ComputeShaderSpec                               spec;
 384         de::Random                                              rnd                             (deStringHash(group->getName()));
 385         const int                                               numElements             = 100;
 386         vector<float>                                   positiveFloats  (numElements, 0);
 387         vector<float>                                   negativeFloats  (numElements, 0);
 388
 389         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 390
 391         for (size_t ndx = 0; ndx < numElements; ++ndx)
 392                 negativeFloats[ndx] = -positiveFloats[ndx];
 393
 394         spec.assembly =
 395                 string(s_ShaderPreamble) +
 396
 397                 "%fname1 = OpString \"negateInputs.comp\"\n"
 398                 "%fname2 = OpString \"negateInputs\"\n"
 399
 400                 "OpSource GLSL 430\n"
 401                 "OpName %main           \"main\"\n"
 402                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 403
 404                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 405
 406                 + string(s_InputOutputBufferTraits) +
 407
 408                 "OpLine %fname1 0 0\n" // At the earliest possible position
 409
 410                 + string(s_CommonTypes) + string(s_InputOutputBuffer) +
 411
 412                 "OpLine %fname1 0 1\n" // Multiple OpLines in sequence
 413                 "OpLine %fname2 1 0\n" // Different filenames
 414                 "OpLine %fname1 1000 100000\n"
 415
 416                 "%id        = OpVariable %uvec3ptr Input\n"
 417                 "%zero      = OpConstant %i32 0\n"
 418
 419                 "OpLine %fname1 1 1\n" // Before a function
 420
 421                 "%main      = OpFunction %void None %voidf\n"
 422                 "%label     = OpLabel\n"
 423
 424                 "OpLine %fname1 1 1\n" // In a function
 425
 426                 "%idval     = OpLoad %uvec3 %id\n"
 427                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 428                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 429                 "%inval     = OpLoad %f32 %inloc\n"
 430                 "%neg       = OpFNegate %f32 %inval\n"
 431                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 432                 "             OpStore %outloc %neg\n"
 433                 "             OpReturn\n"
 434                 "             OpFunctionEnd\n";
 435         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 436         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 437         spec.numWorkGroups = IVec3(numElements, 1, 1);
 438
 439         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpLine appearing at different places", spec));
 440
 441         return group.release();
 442 }
 443
 444 tcu::TestCaseGroup* createOpNoLineGroup (tcu::TestContext& testCtx)
 445 {
 446         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opnoline", "Test the OpNoLine instruction"));
 447         ComputeShaderSpec                               spec;
 448         de::Random                                              rnd                             (deStringHash(group->getName()));
 449         const int                                               numElements             = 100;
 450         vector<float>                                   positiveFloats  (numElements, 0);
 451         vector<float>                                   negativeFloats  (numElements, 0);
 452
 453         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
 454
 455         for (size_t ndx = 0; ndx < numElements; ++ndx)
 456                 negativeFloats[ndx] = -positiveFloats[ndx];
 457
 458         spec.assembly =
 459                 string(s_ShaderPreamble) +
 460
 461                 "%fname = OpString \"negateInputs.comp\"\n"
 462
 463                 "OpSource GLSL 430\n"
 464                 "OpName %main           \"main\"\n"
 465                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 466
 467                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 468
 469                 + string(s_InputOutputBufferTraits) +
 470
 471                 "OpNoLine\n" // At the earliest possible position, without preceding OpLine
 472
 473                 + string(s_CommonTypes) + string(s_InputOutputBuffer) +
 474
 475                 "OpLine %fname 0 1\n"
 476                 "OpNoLine\n" // Immediately following a preceding OpLine
 477
 478                 "OpLine %fname 1000 1\n"
 479
 480                 "%id        = OpVariable %uvec3ptr Input\n"
 481                 "%zero      = OpConstant %i32 0\n"
 482
 483                 "OpNoLine\n" // Contents after the previous OpLine
 484
 485                 "%main      = OpFunction %void None %voidf\n"
 486                 "%label     = OpLabel\n"
 487                 "%idval     = OpLoad %uvec3 %id\n"
 488                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 489
 490                 "OpNoLine\n" // Multiple OpNoLine
 491                 "OpNoLine\n"
 492                 "OpNoLine\n"
 493
 494                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 495                 "%inval     = OpLoad %f32 %inloc\n"
 496                 "%neg       = OpFNegate %f32 %inval\n"
 497                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 498                 "             OpStore %outloc %neg\n"
 499                 "             OpReturn\n"
 500                 "             OpFunctionEnd\n";
 501         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
 502         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
 503         spec.numWorkGroups = IVec3(numElements, 1, 1);
 504
 505         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpNoLine appearing at different places", spec));
 506
 507         return group.release();
 508 }
 509
 510 // Compare instruction for the contraction compute case.
 511 // Returns true if the output is what is expected from the test case.
 512 bool compareNoContractCase(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 513 {
 514         if (outputAllocs.size() != 1)
 515                 return false;
 516
 517         // We really just need this for size because we are not comparing the exact values.
 518         const BufferSp& expectedOutput  = expectedOutputs[0];
 519         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
 520
 521         for(size_t i = 0; i < expectedOutput->getNumBytes() / sizeof(float); ++i) {
 522                 if (outputAsFloat[i] != 0.f &&
 523                         outputAsFloat[i] != -ldexp(1, -24)) {
 524                         return false;
 525                 }
 526         }
 527
 528         return true;
 529 }
 530
 531 tcu::TestCaseGroup* createNoContractionGroup (tcu::TestContext& testCtx)
 532 {
 533         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
 534         vector<CaseParameter>                   cases;
 535         const int                                               numElements             = 100;
 536         vector<float>                                   inputFloats1    (numElements, 0);
 537         vector<float>                                   inputFloats2    (numElements, 0);
 538         vector<float>                                   outputFloats    (numElements, 0);
 539         const StringTemplate                    shaderTemplate  (
 540                 string(s_ShaderPreamble) +
 541
 542                 "OpName %main           \"main\"\n"
 543                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 544
 545                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 546
 547                 "${DECORATION}\n"
 548
 549                 "OpDecorate %buf BufferBlock\n"
 550                 "OpDecorate %indata1 DescriptorSet 0\n"
 551                 "OpDecorate %indata1 Binding 0\n"
 552                 "OpDecorate %indata2 DescriptorSet 0\n"
 553                 "OpDecorate %indata2 Binding 1\n"
 554                 "OpDecorate %outdata DescriptorSet 0\n"
 555                 "OpDecorate %outdata Binding 2\n"
 556                 "OpDecorate %f32arr ArrayStride 4\n"
 557                 "OpMemberDecorate %buf 0 Offset 0\n"
 558
 559                 + string(s_CommonTypes) +
 560
 561                 "%buf        = OpTypeStruct %f32arr\n"
 562                 "%bufptr     = OpTypePointer Uniform %buf\n"
 563                 "%indata1    = OpVariable %bufptr Uniform\n"
 564                 "%indata2    = OpVariable %bufptr Uniform\n"
 565                 "%outdata    = OpVariable %bufptr Uniform\n"
 566
 567                 "%id         = OpVariable %uvec3ptr Input\n"
 568                 "%zero       = OpConstant %i32 0\n"
 569                 "%c_f_m1     = OpConstant %f32 -1.\n"
 570
 571                 "%main       = OpFunction %void None %voidf\n"
 572                 "%label      = OpLabel\n"
 573                 "%idval      = OpLoad %uvec3 %id\n"
 574                 "%x          = OpCompositeExtract %u32 %idval 0\n"
 575                 "%inloc1     = OpAccessChain %f32ptr %indata1 %zero %x\n"
 576                 "%inval1     = OpLoad %f32 %inloc1\n"
 577                 "%inloc2     = OpAccessChain %f32ptr %indata2 %zero %x\n"
 578                 "%inval2     = OpLoad %f32 %inloc2\n"
 579                 "%mul        = OpFMul %f32 %inval1 %inval2\n"
 580                 "%add        = OpFAdd %f32 %mul %c_f_m1\n"
 581                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
 582                 "              OpStore %outloc %add\n"
 583                 "              OpReturn\n"
 584                 "              OpFunctionEnd\n");
 585
 586         cases.push_back(CaseParameter("multiplication", "OpDecorate %mul NoContraction"));
 587         cases.push_back(CaseParameter("addition",               "OpDecorate %add NoContraction"));
 588         cases.push_back(CaseParameter("both",                   "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"));
 589
 590         for (size_t ndx = 0; ndx < numElements; ++ndx)
 591         {
 592                 inputFloats1[ndx]       = 1.f + std::ldexp(1.f, -23); // 1 + 2^-23.
 593                 inputFloats2[ndx]       = 1.f - std::ldexp(1.f, -23); // 1 - 2^-23.
 594                 // Result for (1 + 2^-23) * (1 - 2^-23) - 1. With NoContraction, the multiplication will be
 595                 // conducted separately and the result is rounded to 1, or 0x1.fffffcp-1
 596                 // So the final result will be 0.f or 0x1p-24.
 597                 // If the operation is combined into a precise fused multiply-add, then the result would be
 598                 // 2^-46 (0xa8800000).
 599                 outputFloats[ndx]       = 0.f;
 600         }
 601
 602         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
 603         {
 604                 map<string, string>             specializations;
 605                 ComputeShaderSpec               spec;
 606
 607                 specializations["DECORATION"] = cases[caseNdx].param;
 608                 spec.assembly = shaderTemplate.specialize(specializations);
 609                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 610                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 611                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 612                 spec.numWorkGroups = IVec3(numElements, 1, 1);
 613                 // Check against the two possible answers based on rounding mode.
 614                 spec.verifyIO = &compareNoContractCase;
 615
 616                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
 617         }
 618         return group.release();
 619 }
 620
 621 bool compareFRem(const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
 622 {
 623         if (outputAllocs.size() != 1)
 624                 return false;
 625
 626         const BufferSp& expectedOutput = expectedOutputs[0];
 627         const float *expectedOutputAsFloat = static_cast<const float*>(expectedOutput->data());
 628         const float* outputAsFloat = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
 629
 630         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(float); ++idx)
 631         {
 632                 const float f0 = expectedOutputAsFloat[idx];
 633                 const float f1 = outputAsFloat[idx];
 634                 // \todo relative error needs to be fairly high because FRem may be implemented as
 635                 // (roughly) frac(a/b)*b, so LSB errors can be magnified. But this should be fine for now.
 636                 if (deFloatAbs((f1 - f0) / f0) > 0.02)
 637                         return false;
 638         }
 639
 640         return true;
 641 }
 642
 643 tcu::TestCaseGroup* createOpFRemGroup (tcu::TestContext& testCtx)
 644 {
 645         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opfrem", "Test the OpFRem instruction"));
 646         ComputeShaderSpec                               spec;
 647         de::Random                                              rnd                             (deStringHash(group->getName()));
 648         const int                                               numElements             = 200;
 649         vector<float>                                   inputFloats1    (numElements, 0);
 650         vector<float>                                   inputFloats2    (numElements, 0);
 651         vector<float>                                   outputFloats    (numElements, 0);
 652
 653         fillRandomScalars(rnd, -10000.f, 10000.f, &inputFloats1[0], numElements);
 654         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats2[0], numElements);
 655
 656         for (size_t ndx = 0; ndx < numElements; ++ndx)
 657         {
 658                 // Guard against divisors near zero.
 659                 if (std::fabs(inputFloats2[ndx]) < 1e-3)
 660                         inputFloats2[ndx] = 8.f;
 661
 662                 // The return value of std::fmod() has the same sign as its first operand, which is how OpFRem spec'd.
 663                 outputFloats[ndx] = std::fmod(inputFloats1[ndx], inputFloats2[ndx]);
 664         }
 665
 666         spec.assembly =
 667                 string(s_ShaderPreamble) +
 668
 669                 "OpName %main           \"main\"\n"
 670                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 671
 672                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 673
 674                 "OpDecorate %buf BufferBlock\n"
 675                 "OpDecorate %indata1 DescriptorSet 0\n"
 676                 "OpDecorate %indata1 Binding 0\n"
 677                 "OpDecorate %indata2 DescriptorSet 0\n"
 678                 "OpDecorate %indata2 Binding 1\n"
 679                 "OpDecorate %outdata DescriptorSet 0\n"
 680                 "OpDecorate %outdata Binding 2\n"
 681                 "OpDecorate %f32arr ArrayStride 4\n"
 682                 "OpMemberDecorate %buf 0 Offset 0\n"
 683
 684                 + string(s_CommonTypes) +
 685
 686                 "%buf        = OpTypeStruct %f32arr\n"
 687                 "%bufptr     = OpTypePointer Uniform %buf\n"
 688                 "%indata1    = OpVariable %bufptr Uniform\n"
 689                 "%indata2    = OpVariable %bufptr Uniform\n"
 690                 "%outdata    = OpVariable %bufptr Uniform\n"
 691
 692                 "%id        = OpVariable %uvec3ptr Input\n"
 693                 "%zero      = OpConstant %i32 0\n"
 694
 695                 "%main      = OpFunction %void None %voidf\n"
 696                 "%label     = OpLabel\n"
 697                 "%idval     = OpLoad %uvec3 %id\n"
 698                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 699                 "%inloc1    = OpAccessChain %f32ptr %indata1 %zero %x\n"
 700                 "%inval1    = OpLoad %f32 %inloc1\n"
 701                 "%inloc2    = OpAccessChain %f32ptr %indata2 %zero %x\n"
 702                 "%inval2    = OpLoad %f32 %inloc2\n"
 703                 "%rem       = OpFRem %f32 %inval1 %inval2\n"
 704                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 705                 "             OpStore %outloc %rem\n"
 706                 "             OpReturn\n"
 707                 "             OpFunctionEnd\n";
 708
 709         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
 710         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 711         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
 712         spec.numWorkGroups = IVec3(numElements, 1, 1);
 713         spec.verifyIO = &compareFRem;
 714
 715         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "", spec));
 716
 717         return group.release();
 718 }
 719
 720 // Copy contents in the input buffer to the output buffer.
 721 tcu::TestCaseGroup* createOpCopyMemoryGroup (tcu::TestContext& testCtx)
 722 {
 723         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopymemory", "Test the OpCopyMemory instruction"));
 724         de::Random                                              rnd                             (deStringHash(group->getName()));
 725         const int                                               numElements             = 100;
 726
 727         // 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.
 728         ComputeShaderSpec                               spec1;
 729         vector<Vec4>                                    inputFloats1    (numElements);
 730         vector<Vec4>                                    outputFloats1   (numElements);
 731
 732         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats1[0], numElements * 4);
 733
 734         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
 735         floorAll(inputFloats1);
 736
 737         for (size_t ndx = 0; ndx < numElements; ++ndx)
 738                 outputFloats1[ndx] = inputFloats1[ndx] + Vec4(0.f, 0.5f, 1.5f, 2.5f);
 739
 740         spec1.assembly =
 741                 string(s_ShaderPreamble) +
 742
 743                 "OpName %main           \"main\"\n"
 744                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 745
 746                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 747                 "OpDecorate %vec4arr ArrayStride 16\n"
 748
 749                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
 750
 751                 "%vec4       = OpTypeVector %f32 4\n"
 752                 "%vec4ptr_u  = OpTypePointer Uniform %vec4\n"
 753                 "%vec4ptr_f  = OpTypePointer Function %vec4\n"
 754                 "%vec4arr    = OpTypeRuntimeArray %vec4\n"
 755                 "%buf        = OpTypeStruct %vec4arr\n"
 756                 "%bufptr     = OpTypePointer Uniform %buf\n"
 757                 "%indata     = OpVariable %bufptr Uniform\n"
 758                 "%outdata    = OpVariable %bufptr Uniform\n"
 759
 760                 "%id         = OpVariable %uvec3ptr Input\n"
 761                 "%zero       = OpConstant %i32 0\n"
 762                 "%c_f_0      = OpConstant %f32 0.\n"
 763                 "%c_f_0_5    = OpConstant %f32 0.5\n"
 764                 "%c_f_1_5    = OpConstant %f32 1.5\n"
 765                 "%c_f_2_5    = OpConstant %f32 2.5\n"
 766                 "%c_vec4     = OpConstantComposite %vec4 %c_f_0 %c_f_0_5 %c_f_1_5 %c_f_2_5\n"
 767
 768                 "%main       = OpFunction %void None %voidf\n"
 769                 "%label      = OpLabel\n"
 770                 "%v_vec4     = OpVariable %vec4ptr_f Function\n"
 771                 "%idval      = OpLoad %uvec3 %id\n"
 772                 "%x          = OpCompositeExtract %u32 %idval 0\n"
 773                 "%inloc      = OpAccessChain %vec4ptr_u %indata %zero %x\n"
 774                 "%outloc     = OpAccessChain %vec4ptr_u %outdata %zero %x\n"
 775                 "              OpCopyMemory %v_vec4 %inloc\n"
 776                 "%v_vec4_val = OpLoad %vec4 %v_vec4\n"
 777                 "%add        = OpFAdd %vec4 %v_vec4_val %c_vec4\n"
 778                 "              OpStore %outloc %add\n"
 779                 "              OpReturn\n"
 780                 "              OpFunctionEnd\n";
 781
 782         spec1.inputs.push_back(BufferSp(new Vec4Buffer(inputFloats1)));
 783         spec1.outputs.push_back(BufferSp(new Vec4Buffer(outputFloats1)));
 784         spec1.numWorkGroups = IVec3(numElements, 1, 1);
 785
 786         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector", "OpCopyMemory elements of vector type", spec1));
 787
 788         // The following case copies a float[100] variable from the input buffer to the output buffer.
 789         ComputeShaderSpec                               spec2;
 790         vector<float>                                   inputFloats2    (numElements);
 791         vector<float>                                   outputFloats2   (numElements);
 792
 793         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats2[0], numElements);
 794
 795         for (size_t ndx = 0; ndx < numElements; ++ndx)
 796                 outputFloats2[ndx] = inputFloats2[ndx];
 797
 798         spec2.assembly =
 799                 string(s_ShaderPreamble) +
 800
 801                 "OpName %main           \"main\"\n"
 802                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 803
 804                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 805                 "OpDecorate %f32arr100 ArrayStride 4\n"
 806
 807                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
 808
 809                 "%hundred        = OpConstant %u32 100\n"
 810                 "%f32arr100      = OpTypeArray %f32 %hundred\n"
 811                 "%f32arr100ptr_f = OpTypePointer Function %f32arr100\n"
 812                 "%f32arr100ptr_u = OpTypePointer Uniform %f32arr100\n"
 813                 "%buf            = OpTypeStruct %f32arr100\n"
 814                 "%bufptr         = OpTypePointer Uniform %buf\n"
 815                 "%indata         = OpVariable %bufptr Uniform\n"
 816                 "%outdata        = OpVariable %bufptr Uniform\n"
 817
 818                 "%id             = OpVariable %uvec3ptr Input\n"
 819                 "%zero           = OpConstant %i32 0\n"
 820
 821                 "%main           = OpFunction %void None %voidf\n"
 822                 "%label          = OpLabel\n"
 823                 "%var            = OpVariable %f32arr100ptr_f Function\n"
 824                 "%inarr          = OpAccessChain %f32arr100ptr_u %indata %zero\n"
 825                 "%outarr         = OpAccessChain %f32arr100ptr_u %outdata %zero\n"
 826                 "                  OpCopyMemory %var %inarr\n"
 827                 "                  OpCopyMemory %outarr %var\n"
 828                 "                  OpReturn\n"
 829                 "                  OpFunctionEnd\n";
 830
 831         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
 832         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
 833         spec2.numWorkGroups = IVec3(1, 1, 1);
 834
 835         group->addChild(new SpvAsmComputeShaderCase(testCtx, "array", "OpCopyMemory elements of array type", spec2));
 836
 837         // The following case copies a struct{vec4, vec4, vec4, vec4} variable from the input buffer to the output buffer.
 838         ComputeShaderSpec                               spec3;
 839         vector<float>                                   inputFloats3    (16);
 840         vector<float>                                   outputFloats3   (16);
 841
 842         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats3[0], 16);
 843
 844         for (size_t ndx = 0; ndx < 16; ++ndx)
 845                 outputFloats3[ndx] = inputFloats3[ndx];
 846
 847         spec3.assembly =
 848                 string(s_ShaderPreamble) +
 849
 850                 "OpName %main           \"main\"\n"
 851                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 852
 853                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 854                 "OpMemberDecorate %buf 0 Offset 0\n"
 855                 "OpMemberDecorate %buf 1 Offset 16\n"
 856                 "OpMemberDecorate %buf 2 Offset 32\n"
 857                 "OpMemberDecorate %buf 3 Offset 48\n"
 858
 859                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
 860
 861                 "%vec4      = OpTypeVector %f32 4\n"
 862                 "%buf       = OpTypeStruct %vec4 %vec4 %vec4 %vec4\n"
 863                 "%bufptr    = OpTypePointer Uniform %buf\n"
 864                 "%indata    = OpVariable %bufptr Uniform\n"
 865                 "%outdata   = OpVariable %bufptr Uniform\n"
 866                 "%vec4stptr = OpTypePointer Function %buf\n"
 867
 868                 "%id        = OpVariable %uvec3ptr Input\n"
 869                 "%zero      = OpConstant %i32 0\n"
 870
 871                 "%main      = OpFunction %void None %voidf\n"
 872                 "%label     = OpLabel\n"
 873                 "%var       = OpVariable %vec4stptr Function\n"
 874                 "             OpCopyMemory %var %indata\n"
 875                 "             OpCopyMemory %outdata %var\n"
 876                 "             OpReturn\n"
 877                 "             OpFunctionEnd\n";
 878
 879         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
 880         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
 881         spec3.numWorkGroups = IVec3(1, 1, 1);
 882
 883         group->addChild(new SpvAsmComputeShaderCase(testCtx, "struct", "OpCopyMemory elements of struct type", spec3));
 884
 885         // The following case negates multiple float variables from the input buffer and stores the results to the output buffer.
 886         ComputeShaderSpec                               spec4;
 887         vector<float>                                   inputFloats4    (numElements);
 888         vector<float>                                   outputFloats4   (numElements);
 889
 890         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats4[0], numElements);
 891
 892         for (size_t ndx = 0; ndx < numElements; ++ndx)
 893                 outputFloats4[ndx] = -inputFloats4[ndx];
 894
 895         spec4.assembly =
 896                 string(s_ShaderPreamble) +
 897
 898                 "OpName %main           \"main\"\n"
 899                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 900
 901                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 902
 903                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
 904
 905                 "%f32ptr_f  = OpTypePointer Function %f32\n"
 906                 "%id        = OpVariable %uvec3ptr Input\n"
 907                 "%zero      = OpConstant %i32 0\n"
 908
 909                 "%main      = OpFunction %void None %voidf\n"
 910                 "%label     = OpLabel\n"
 911                 "%var       = OpVariable %f32ptr_f Function\n"
 912                 "%idval     = OpLoad %uvec3 %id\n"
 913                 "%x         = OpCompositeExtract %u32 %idval 0\n"
 914                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
 915                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
 916                 "             OpCopyMemory %var %inloc\n"
 917                 "%val       = OpLoad %f32 %var\n"
 918                 "%neg       = OpFNegate %f32 %val\n"
 919                 "             OpStore %outloc %neg\n"
 920                 "             OpReturn\n"
 921                 "             OpFunctionEnd\n";
 922
 923         spec4.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
 924         spec4.outputs.push_back(BufferSp(new Float32Buffer(outputFloats4)));
 925         spec4.numWorkGroups = IVec3(numElements, 1, 1);
 926
 927         group->addChild(new SpvAsmComputeShaderCase(testCtx, "float", "OpCopyMemory elements of float type", spec4));
 928
 929         return group.release();
 930 }
 931
 932 tcu::TestCaseGroup* createOpCopyObjectGroup (tcu::TestContext& testCtx)
 933 {
 934         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opcopyobject", "Test the OpCopyObject instruction"));
 935         ComputeShaderSpec                               spec;
 936         de::Random                                              rnd                             (deStringHash(group->getName()));
 937         const int                                               numElements             = 100;
 938         vector<float>                                   inputFloats             (numElements, 0);
 939         vector<float>                                   outputFloats    (numElements, 0);
 940
 941         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
 942
 943         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
 944         floorAll(inputFloats);
 945
 946         for (size_t ndx = 0; ndx < numElements; ++ndx)
 947                 outputFloats[ndx] = inputFloats[ndx] + 7.5f;
 948
 949         spec.assembly =
 950                 string(s_ShaderPreamble) +
 951
 952                 "OpName %main           \"main\"\n"
 953                 "OpName %id             \"gl_GlobalInvocationID\"\n"
 954
 955                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
 956
 957                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
 958
 959                 "%fmat     = OpTypeMatrix %fvec3 3\n"
 960                 "%three    = OpConstant %u32 3\n"
 961                 "%farr     = OpTypeArray %f32 %three\n"
 962                 "%fst      = OpTypeStruct %f32 %f32\n"
 963
 964                 + string(s_InputOutputBuffer) +
 965
 966                 "%id            = OpVariable %uvec3ptr Input\n"
 967                 "%zero          = OpConstant %i32 0\n"
 968                 "%c_f           = OpConstant %f32 1.5\n"
 969                 "%c_fvec3       = OpConstantComposite %fvec3 %c_f %c_f %c_f\n"
 970                 "%c_fmat        = OpConstantComposite %fmat %c_fvec3 %c_fvec3 %c_fvec3\n"
 971                 "%c_farr        = OpConstantComposite %farr %c_f %c_f %c_f\n"
 972                 "%c_fst         = OpConstantComposite %fst %c_f %c_f\n"
 973
 974                 "%main          = OpFunction %void None %voidf\n"
 975                 "%label         = OpLabel\n"
 976                 "%c_f_copy      = OpCopyObject %f32   %c_f\n"
 977                 "%c_fvec3_copy  = OpCopyObject %fvec3 %c_fvec3\n"
 978                 "%c_fmat_copy   = OpCopyObject %fmat  %c_fmat\n"
 979                 "%c_farr_copy   = OpCopyObject %farr  %c_farr\n"
 980                 "%c_fst_copy    = OpCopyObject %fst   %c_fst\n"
 981                 "%fvec3_elem    = OpCompositeExtract %f32 %c_fvec3_copy 0\n"
 982                 "%fmat_elem     = OpCompositeExtract %f32 %c_fmat_copy 1 2\n"
 983                 "%farr_elem     = OpCompositeExtract %f32 %c_farr_copy 2\n"
 984                 "%fst_elem      = OpCompositeExtract %f32 %c_fst_copy 1\n"
 985                 // Add up. 1.5 * 5 = 7.5.
 986                 "%add1          = OpFAdd %f32 %c_f_copy %fvec3_elem\n"
 987                 "%add2          = OpFAdd %f32 %add1     %fmat_elem\n"
 988                 "%add3          = OpFAdd %f32 %add2     %farr_elem\n"
 989                 "%add4          = OpFAdd %f32 %add3     %fst_elem\n"
 990
 991                 "%idval         = OpLoad %uvec3 %id\n"
 992                 "%x             = OpCompositeExtract %u32 %idval 0\n"
 993                 "%inloc         = OpAccessChain %f32ptr %indata %zero %x\n"
 994                 "%outloc        = OpAccessChain %f32ptr %outdata %zero %x\n"
 995                 "%inval         = OpLoad %f32 %inloc\n"
 996                 "%add           = OpFAdd %f32 %add4 %inval\n"
 997                 "                 OpStore %outloc %add\n"
 998                 "                 OpReturn\n"
 999                 "                 OpFunctionEnd\n";
1000         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1001         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1002         spec.numWorkGroups = IVec3(numElements, 1, 1);
1003
1004         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "OpCopyObject on different types", spec));
1005
1006         return group.release();
1007 }
1008 // Assembly code used for testing OpUnreachable is based on GLSL source code:
1009 //
1010 // #version 430
1011 //
1012 // layout(std140, set = 0, binding = 0) readonly buffer Input {
1013 //   float elements[];
1014 // } input_data;
1015 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
1016 //   float elements[];
1017 // } output_data;
1018 //
1019 // void not_called_func() {
1020 //   // place OpUnreachable here
1021 // }
1022 //
1023 // uint modulo4(uint val) {
1024 //   switch (val % uint(4)) {
1025 //     case 0:  return 3;
1026 //     case 1:  return 2;
1027 //     case 2:  return 1;
1028 //     case 3:  return 0;
1029 //     default: return 100; // place OpUnreachable here
1030 //   }
1031 // }
1032 //
1033 // uint const5() {
1034 //   return 5;
1035 //   // place OpUnreachable here
1036 // }
1037 //
1038 // void main() {
1039 //   uint x = gl_GlobalInvocationID.x;
1040 //   if (const5() > modulo4(1000)) {
1041 //     output_data.elements[x] = -input_data.elements[x];
1042 //   } else {
1043 //     // place OpUnreachable here
1044 //     output_data.elements[x] = input_data.elements[x];
1045 //   }
1046 // }
1047
1048 tcu::TestCaseGroup* createOpUnreachableGroup (tcu::TestContext& testCtx)
1049 {
1050         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opunreachable", "Test the OpUnreachable instruction"));
1051         ComputeShaderSpec                               spec;
1052         de::Random                                              rnd                             (deStringHash(group->getName()));
1053         const int                                               numElements             = 100;
1054         vector<float>                                   positiveFloats  (numElements, 0);
1055         vector<float>                                   negativeFloats  (numElements, 0);
1056
1057         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
1058
1059         for (size_t ndx = 0; ndx < numElements; ++ndx)
1060                 negativeFloats[ndx] = -positiveFloats[ndx];
1061
1062         spec.assembly =
1063                 string(s_ShaderPreamble) +
1064
1065                 "OpSource GLSL 430\n"
1066                 "OpName %main            \"main\"\n"
1067                 "OpName %func_not_called_func \"not_called_func(\"\n"
1068                 "OpName %func_modulo4         \"modulo4(u1;\"\n"
1069                 "OpName %func_const5          \"const5(\"\n"
1070                 "OpName %id                   \"gl_GlobalInvocationID\"\n"
1071
1072                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1073
1074                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
1075
1076                 "%u32ptr    = OpTypePointer Function %u32\n"
1077                 "%uintfuint = OpTypeFunction %u32 %u32ptr\n"
1078                 "%unitf     = OpTypeFunction %u32\n"
1079
1080                 "%id        = OpVariable %uvec3ptr Input\n"
1081                 "%zero      = OpConstant %u32 0\n"
1082                 "%one       = OpConstant %u32 1\n"
1083                 "%two       = OpConstant %u32 2\n"
1084                 "%three     = OpConstant %u32 3\n"
1085                 "%four      = OpConstant %u32 4\n"
1086                 "%five      = OpConstant %u32 5\n"
1087                 "%hundred   = OpConstant %u32 100\n"
1088                 "%thousand  = OpConstant %u32 1000\n"
1089
1090                 + string(s_InputOutputBuffer) +
1091
1092                 // Main()
1093                 "%main   = OpFunction %void None %voidf\n"
1094                 "%main_entry  = OpLabel\n"
1095                 "%v_thousand  = OpVariable %u32ptr Function %thousand\n"
1096                 "%idval       = OpLoad %uvec3 %id\n"
1097                 "%x           = OpCompositeExtract %u32 %idval 0\n"
1098                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
1099                 "%inval       = OpLoad %f32 %inloc\n"
1100                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
1101                 "%ret_const5  = OpFunctionCall %u32 %func_const5\n"
1102                 "%ret_modulo4 = OpFunctionCall %u32 %func_modulo4 %v_thousand\n"
1103                 "%cmp_gt      = OpUGreaterThan %bool %ret_const5 %ret_modulo4\n"
1104                 "               OpSelectionMerge %if_end None\n"
1105                 "               OpBranchConditional %cmp_gt %if_true %if_false\n"
1106                 "%if_true     = OpLabel\n"
1107                 "%negate      = OpFNegate %f32 %inval\n"
1108                 "               OpStore %outloc %negate\n"
1109                 "               OpBranch %if_end\n"
1110                 "%if_false    = OpLabel\n"
1111                 "               OpUnreachable\n" // Unreachable else branch for if statement
1112                 "%if_end      = OpLabel\n"
1113                 "               OpReturn\n"
1114                 "               OpFunctionEnd\n"
1115
1116                 // not_called_function()
1117                 "%func_not_called_func  = OpFunction %void None %voidf\n"
1118                 "%not_called_func_entry = OpLabel\n"
1119                 "                         OpUnreachable\n" // Unreachable entry block in not called static function
1120                 "                         OpFunctionEnd\n"
1121
1122                 // modulo4()
1123                 "%func_modulo4  = OpFunction %u32 None %uintfuint\n"
1124                 "%valptr        = OpFunctionParameter %u32ptr\n"
1125                 "%modulo4_entry = OpLabel\n"
1126                 "%val           = OpLoad %u32 %valptr\n"
1127                 "%modulo        = OpUMod %u32 %val %four\n"
1128                 "                 OpSelectionMerge %switch_merge None\n"
1129                 "                 OpSwitch %modulo %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
1130                 "%case0         = OpLabel\n"
1131                 "                 OpReturnValue %three\n"
1132                 "%case1         = OpLabel\n"
1133                 "                 OpReturnValue %two\n"
1134                 "%case2         = OpLabel\n"
1135                 "                 OpReturnValue %one\n"
1136                 "%case3         = OpLabel\n"
1137                 "                 OpReturnValue %zero\n"
1138                 "%default       = OpLabel\n"
1139                 "                 OpUnreachable\n" // Unreachable default case for switch statement
1140                 "%switch_merge  = OpLabel\n"
1141                 "                 OpUnreachable\n" // Unreachable merge block for switch statement
1142                 "                 OpFunctionEnd\n"
1143
1144                 // const5()
1145                 "%func_const5  = OpFunction %u32 None %unitf\n"
1146                 "%const5_entry = OpLabel\n"
1147                 "                OpReturnValue %five\n"
1148                 "%unreachable  = OpLabel\n"
1149                 "                OpUnreachable\n" // Unreachable block in function
1150                 "                OpFunctionEnd\n";
1151         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
1152         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
1153         spec.numWorkGroups = IVec3(numElements, 1, 1);
1154
1155         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "OpUnreachable appearing at different places", spec));
1156
1157         return group.release();
1158 }
1159
1160 // Assembly code used for testing decoration group is based on GLSL source code:
1161 //
1162 // #version 430
1163 //
1164 // layout(std140, set = 0, binding = 0) readonly buffer Input0 {
1165 //   float elements[];
1166 // } input_data0;
1167 // layout(std140, set = 0, binding = 1) readonly buffer Input1 {
1168 //   float elements[];
1169 // } input_data1;
1170 // layout(std140, set = 0, binding = 2) readonly buffer Input2 {
1171 //   float elements[];
1172 // } input_data2;
1173 // layout(std140, set = 0, binding = 3) readonly buffer Input3 {
1174 //   float elements[];
1175 // } input_data3;
1176 // layout(std140, set = 0, binding = 4) readonly buffer Input4 {
1177 //   float elements[];
1178 // } input_data4;
1179 // layout(std140, set = 0, binding = 5) writeonly buffer Output {
1180 //   float elements[];
1181 // } output_data;
1182 //
1183 // void main() {
1184 //   uint x = gl_GlobalInvocationID.x;
1185 //   output_data.elements[x] = input_data0.elements[x] + input_data1.elements[x] + input_data2.elements[x] + input_data3.elements[x] + input_data4.elements[x];
1186 // }
1187 tcu::TestCaseGroup* createDecorationGroupGroup (tcu::TestContext& testCtx)
1188 {
1189         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "decoration_group", "Test the OpDecorationGroup & OpGroupDecorate instruction"));
1190         ComputeShaderSpec                               spec;
1191         de::Random                                              rnd                             (deStringHash(group->getName()));
1192         const int                                               numElements             = 100;
1193         vector<float>                                   inputFloats0    (numElements, 0);
1194         vector<float>                                   inputFloats1    (numElements, 0);
1195         vector<float>                                   inputFloats2    (numElements, 0);
1196         vector<float>                                   inputFloats3    (numElements, 0);
1197         vector<float>                                   inputFloats4    (numElements, 0);
1198         vector<float>                                   outputFloats    (numElements, 0);
1199
1200         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats0[0], numElements);
1201         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats1[0], numElements);
1202         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats2[0], numElements);
1203         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats3[0], numElements);
1204         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats4[0], numElements);
1205
1206         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1207         floorAll(inputFloats0);
1208         floorAll(inputFloats1);
1209         floorAll(inputFloats2);
1210         floorAll(inputFloats3);
1211         floorAll(inputFloats4);
1212
1213         for (size_t ndx = 0; ndx < numElements; ++ndx)
1214                 outputFloats[ndx] = inputFloats0[ndx] + inputFloats1[ndx] + inputFloats2[ndx] + inputFloats3[ndx] + inputFloats4[ndx];
1215
1216         spec.assembly =
1217                 string(s_ShaderPreamble) +
1218
1219                 "OpSource GLSL 430\n"
1220                 "OpName %main \"main\"\n"
1221                 "OpName %id \"gl_GlobalInvocationID\"\n"
1222
1223                 // Not using group decoration on variable.
1224                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1225                 // Not using group decoration on type.
1226                 "OpDecorate %f32arr ArrayStride 4\n"
1227
1228                 "OpDecorate %groups BufferBlock\n"
1229                 "OpDecorate %groupm Offset 0\n"
1230                 "%groups = OpDecorationGroup\n"
1231                 "%groupm = OpDecorationGroup\n"
1232
1233                 // Group decoration on multiple structs.
1234                 "OpGroupDecorate %groups %outbuf %inbuf0 %inbuf1 %inbuf2 %inbuf3 %inbuf4\n"
1235                 // Group decoration on multiple struct members.
1236                 "OpGroupMemberDecorate %groupm %outbuf 0 %inbuf0 0 %inbuf1 0 %inbuf2 0 %inbuf3 0 %inbuf4 0\n"
1237
1238                 "OpDecorate %group1 DescriptorSet 0\n"
1239                 "OpDecorate %group3 DescriptorSet 0\n"
1240                 "OpDecorate %group3 NonWritable\n"
1241                 "OpDecorate %group3 Restrict\n"
1242                 "%group0 = OpDecorationGroup\n"
1243                 "%group1 = OpDecorationGroup\n"
1244                 "%group3 = OpDecorationGroup\n"
1245
1246                 // Applying the same decoration group multiple times.
1247                 "OpGroupDecorate %group1 %outdata\n"
1248                 "OpGroupDecorate %group1 %outdata\n"
1249                 "OpGroupDecorate %group1 %outdata\n"
1250                 "OpDecorate %outdata DescriptorSet 0\n"
1251                 "OpDecorate %outdata Binding 5\n"
1252                 // Applying decoration group containing nothing.
1253                 "OpGroupDecorate %group0 %indata0\n"
1254                 "OpDecorate %indata0 DescriptorSet 0\n"
1255                 "OpDecorate %indata0 Binding 0\n"
1256                 // Applying decoration group containing one decoration.
1257                 "OpGroupDecorate %group1 %indata1\n"
1258                 "OpDecorate %indata1 Binding 1\n"
1259                 // Applying decoration group containing multiple decorations.
1260                 "OpGroupDecorate %group3 %indata2 %indata3\n"
1261                 "OpDecorate %indata2 Binding 2\n"
1262                 "OpDecorate %indata3 Binding 3\n"
1263                 // Applying multiple decoration groups (with overlapping).
1264                 "OpGroupDecorate %group0 %indata4\n"
1265                 "OpGroupDecorate %group1 %indata4\n"
1266                 "OpGroupDecorate %group3 %indata4\n"
1267                 "OpDecorate %indata4 Binding 4\n"
1268
1269                 + string(s_CommonTypes) +
1270
1271                 "%id   = OpVariable %uvec3ptr Input\n"
1272                 "%zero = OpConstant %i32 0\n"
1273
1274                 "%outbuf    = OpTypeStruct %f32arr\n"
1275                 "%outbufptr = OpTypePointer Uniform %outbuf\n"
1276                 "%outdata   = OpVariable %outbufptr Uniform\n"
1277                 "%inbuf0    = OpTypeStruct %f32arr\n"
1278                 "%inbuf0ptr = OpTypePointer Uniform %inbuf0\n"
1279                 "%indata0   = OpVariable %inbuf0ptr Uniform\n"
1280                 "%inbuf1    = OpTypeStruct %f32arr\n"
1281                 "%inbuf1ptr = OpTypePointer Uniform %inbuf1\n"
1282                 "%indata1   = OpVariable %inbuf1ptr Uniform\n"
1283                 "%inbuf2    = OpTypeStruct %f32arr\n"
1284                 "%inbuf2ptr = OpTypePointer Uniform %inbuf2\n"
1285                 "%indata2   = OpVariable %inbuf2ptr Uniform\n"
1286                 "%inbuf3    = OpTypeStruct %f32arr\n"
1287                 "%inbuf3ptr = OpTypePointer Uniform %inbuf3\n"
1288                 "%indata3   = OpVariable %inbuf3ptr Uniform\n"
1289                 "%inbuf4    = OpTypeStruct %f32arr\n"
1290                 "%inbufptr  = OpTypePointer Uniform %inbuf4\n"
1291                 "%indata4   = OpVariable %inbufptr Uniform\n"
1292
1293                 "%main   = OpFunction %void None %voidf\n"
1294                 "%label  = OpLabel\n"
1295                 "%idval  = OpLoad %uvec3 %id\n"
1296                 "%x      = OpCompositeExtract %u32 %idval 0\n"
1297                 "%inloc0 = OpAccessChain %f32ptr %indata0 %zero %x\n"
1298                 "%inloc1 = OpAccessChain %f32ptr %indata1 %zero %x\n"
1299                 "%inloc2 = OpAccessChain %f32ptr %indata2 %zero %x\n"
1300                 "%inloc3 = OpAccessChain %f32ptr %indata3 %zero %x\n"
1301                 "%inloc4 = OpAccessChain %f32ptr %indata4 %zero %x\n"
1302                 "%outloc = OpAccessChain %f32ptr %outdata %zero %x\n"
1303                 "%inval0 = OpLoad %f32 %inloc0\n"
1304                 "%inval1 = OpLoad %f32 %inloc1\n"
1305                 "%inval2 = OpLoad %f32 %inloc2\n"
1306                 "%inval3 = OpLoad %f32 %inloc3\n"
1307                 "%inval4 = OpLoad %f32 %inloc4\n"
1308                 "%add0   = OpFAdd %f32 %inval0 %inval1\n"
1309                 "%add1   = OpFAdd %f32 %add0 %inval2\n"
1310                 "%add2   = OpFAdd %f32 %add1 %inval3\n"
1311                 "%add    = OpFAdd %f32 %add2 %inval4\n"
1312                 "          OpStore %outloc %add\n"
1313                 "          OpReturn\n"
1314                 "          OpFunctionEnd\n";
1315         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats0)));
1316         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats1)));
1317         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats2)));
1318         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats3)));
1319         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats4)));
1320         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1321         spec.numWorkGroups = IVec3(numElements, 1, 1);
1322
1323         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "decoration group cases", spec));
1324
1325         return group.release();
1326 }
1327
1328 struct SpecConstantTwoIntCase
1329 {
1330         const char*             caseName;
1331         const char*             scDefinition0;
1332         const char*             scDefinition1;
1333         const char*             scResultType;
1334         const char*             scOperation;
1335         deInt32                 scActualValue0;
1336         deInt32                 scActualValue1;
1337         const char*             resultOperation;
1338         vector<deInt32> expectedOutput;
1339
1340                                         SpecConstantTwoIntCase (const char* name,
1341                                                                                         const char* definition0,
1342                                                                                         const char* definition1,
1343                                                                                         const char* resultType,
1344                                                                                         const char* operation,
1345                                                                                         deInt32 value0,
1346                                                                                         deInt32 value1,
1347                                                                                         const char* resultOp,
1348                                                                                         const vector<deInt32>& output)
1349                                                 : caseName                      (name)
1350                                                 , scDefinition0         (definition0)
1351                                                 , scDefinition1         (definition1)
1352                                                 , scResultType          (resultType)
1353                                                 , scOperation           (operation)
1354                                                 , scActualValue0        (value0)
1355                                                 , scActualValue1        (value1)
1356                                                 , resultOperation       (resultOp)
1357                                                 , expectedOutput        (output) {}
1358 };
1359
1360 tcu::TestCaseGroup* createSpecConstantGroup (tcu::TestContext& testCtx)
1361 {
1362         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
1363         vector<SpecConstantTwoIntCase>  cases;
1364         de::Random                                              rnd                             (deStringHash(group->getName()));
1365         const int                                               numElements             = 100;
1366         vector<deInt32>                                 inputInts               (numElements, 0);
1367         vector<deInt32>                                 outputInts1             (numElements, 0);
1368         vector<deInt32>                                 outputInts2             (numElements, 0);
1369         vector<deInt32>                                 outputInts3             (numElements, 0);
1370         vector<deInt32>                                 outputInts4             (numElements, 0);
1371         const StringTemplate                    shaderTemplate  (
1372                 string(s_ShaderPreamble) +
1373
1374                 "OpName %main           \"main\"\n"
1375                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1376
1377                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1378                 "OpDecorate %sc_0  SpecId 0\n"
1379                 "OpDecorate %sc_1  SpecId 1\n"
1380                 "OpDecorate %i32arr ArrayStride 4\n"
1381
1382                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
1383
1384                 "%i32ptr    = OpTypePointer Uniform %i32\n"
1385                 "%i32arr    = OpTypeRuntimeArray %i32\n"
1386                 "%buf     = OpTypeStruct %i32arr\n"
1387                 "%bufptr  = OpTypePointer Uniform %buf\n"
1388                 "%indata    = OpVariable %bufptr Uniform\n"
1389                 "%outdata   = OpVariable %bufptr Uniform\n"
1390
1391                 "%id        = OpVariable %uvec3ptr Input\n"
1392                 "%zero      = OpConstant %i32 0\n"
1393
1394                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
1395                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
1396                 "%sc_final  = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n"
1397
1398                 "%main      = OpFunction %void None %voidf\n"
1399                 "%label     = OpLabel\n"
1400                 "%idval     = OpLoad %uvec3 %id\n"
1401                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1402                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
1403                 "%inval     = OpLoad %i32 %inloc\n"
1404                 "%final     = ${GEN_RESULT}\n"
1405                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1406                 "             OpStore %outloc %final\n"
1407                 "             OpReturn\n"
1408                 "             OpFunctionEnd\n");
1409
1410         fillRandomScalars(rnd, -65536, 65536, &inputInts[0], numElements);
1411
1412         for (size_t ndx = 0; ndx < numElements; ++ndx)
1413         {
1414                 outputInts1[ndx] = inputInts[ndx] + 42;
1415                 outputInts2[ndx] = inputInts[ndx];
1416                 outputInts3[ndx] = inputInts[ndx] - 11200;
1417                 outputInts4[ndx] = inputInts[ndx] + 1;
1418         }
1419
1420         const char addScToInput[]               = "OpIAdd %i32 %inval %sc_final";
1421         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_final %inval %zero";
1422         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_final %zero %inval";
1423
1424         cases.push_back(SpecConstantTwoIntCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                     62,             -20,    addScToInput,           outputInts1));
1425         cases.push_back(SpecConstantTwoIntCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                     100,    58,             addScToInput,           outputInts1));
1426         cases.push_back(SpecConstantTwoIntCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                     -2,             -21,    addScToInput,           outputInts1));
1427         cases.push_back(SpecConstantTwoIntCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                     -126,   -3,             addScToInput,           outputInts1));
1428         cases.push_back(SpecConstantTwoIntCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                     126,    3,              addScToInput,           outputInts1));
1429         cases.push_back(SpecConstantTwoIntCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
1430         cases.push_back(SpecConstantTwoIntCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                     7,              3,              addScToInput,           outputInts4));
1431         cases.push_back(SpecConstantTwoIntCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                     342,    50,             addScToInput,           outputInts1));
1432         cases.push_back(SpecConstantTwoIntCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                     42,             63,             addScToInput,           outputInts1));
1433         cases.push_back(SpecConstantTwoIntCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                     34,             8,              addScToInput,           outputInts1));
1434         cases.push_back(SpecConstantTwoIntCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                     18,             56,             addScToInput,           outputInts1));
1435         cases.push_back(SpecConstantTwoIntCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
1436         cases.push_back(SpecConstantTwoIntCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                     168,    2,              addScToInput,           outputInts1));
1437         cases.push_back(SpecConstantTwoIntCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                     21,             1,              addScToInput,           outputInts1));
1438         cases.push_back(SpecConstantTwoIntCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                     -20,    -10,    selectTrueUsingSc,      outputInts2));
1439         cases.push_back(SpecConstantTwoIntCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                     10,             20,             selectTrueUsingSc,      outputInts2));
1440         cases.push_back(SpecConstantTwoIntCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
1441         cases.push_back(SpecConstantTwoIntCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                     10,             5,              selectTrueUsingSc,      outputInts2));
1442         cases.push_back(SpecConstantTwoIntCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                     -10,    -10,    selectTrueUsingSc,      outputInts2));
1443         cases.push_back(SpecConstantTwoIntCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                     50,             100,    selectTrueUsingSc,      outputInts2));
1444         cases.push_back(SpecConstantTwoIntCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                     -1000,  50,             selectFalseUsingSc,     outputInts2));
1445         cases.push_back(SpecConstantTwoIntCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                     10,             10,             selectTrueUsingSc,      outputInts2));
1446         cases.push_back(SpecConstantTwoIntCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                     42,             24,             selectFalseUsingSc,     outputInts2));
1447         cases.push_back(SpecConstantTwoIntCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
1448         cases.push_back(SpecConstantTwoIntCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
1449         cases.push_back(SpecConstantTwoIntCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                     0,              1,              selectFalseUsingSc,     outputInts2));
1450         cases.push_back(SpecConstantTwoIntCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                     1,              0,              selectTrueUsingSc,      outputInts2));
1451         cases.push_back(SpecConstantTwoIntCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                           -42,    0,              addScToInput,           outputInts1));
1452         cases.push_back(SpecConstantTwoIntCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                           -43,    0,              addScToInput,           outputInts1));
1453         cases.push_back(SpecConstantTwoIntCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                           1,              0,              selectFalseUsingSc,     outputInts2));
1454         cases.push_back(SpecConstantTwoIntCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %zero",       1,              42,             addScToInput,           outputInts1));
1455         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
1456
1457         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
1458         {
1459                 map<string, string>             specializations;
1460                 ComputeShaderSpec               spec;
1461
1462                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
1463                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
1464                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
1465                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
1466                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
1467
1468                 spec.assembly = shaderTemplate.specialize(specializations);
1469                 spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
1470                 spec.outputs.push_back(BufferSp(new Int32Buffer(cases[caseNdx].expectedOutput)));
1471                 spec.numWorkGroups = IVec3(numElements, 1, 1);
1472                 spec.specConstants.push_back(cases[caseNdx].scActualValue0);
1473                 spec.specConstants.push_back(cases[caseNdx].scActualValue1);
1474
1475                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].caseName, cases[caseNdx].caseName, spec));
1476         }
1477
1478         ComputeShaderSpec                               spec;
1479
1480         spec.assembly =
1481                 string(s_ShaderPreamble) +
1482
1483                 "OpName %main           \"main\"\n"
1484                 "OpName %id             \"gl_GlobalInvocationID\"\n"
1485
1486                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1487                 "OpDecorate %sc_0  SpecId 0\n"
1488                 "OpDecorate %sc_1  SpecId 1\n"
1489                 "OpDecorate %sc_2  SpecId 2\n"
1490                 "OpDecorate %i32arr ArrayStride 4\n"
1491
1492                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
1493
1494                 "%ivec3     = OpTypeVector %i32 3\n"
1495                 "%i32ptr    = OpTypePointer Uniform %i32\n"
1496                 "%i32arr    = OpTypeRuntimeArray %i32\n"
1497                 "%buf     = OpTypeStruct %i32arr\n"
1498                 "%bufptr  = OpTypePointer Uniform %buf\n"
1499                 "%indata    = OpVariable %bufptr Uniform\n"
1500                 "%outdata   = OpVariable %bufptr Uniform\n"
1501
1502                 "%id        = OpVariable %uvec3ptr Input\n"
1503                 "%zero      = OpConstant %i32 0\n"
1504                 "%ivec3_0   = OpConstantComposite %ivec3 %zero %zero %zero\n"
1505
1506                 "%sc_0        = OpSpecConstant %i32 0\n"
1507                 "%sc_1        = OpSpecConstant %i32 0\n"
1508                 "%sc_2        = OpSpecConstant %i32 0\n"
1509                 "%sc_vec3_0   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_0        %ivec3_0   0\n"     // (sc_0, 0, 0)
1510                 "%sc_vec3_1   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_1        %ivec3_0   1\n"     // (0, sc_1, 0)
1511                 "%sc_vec3_2   = OpSpecConstantOp %ivec3 CompositeInsert  %sc_2        %ivec3_0   2\n"     // (0, 0, sc_2)
1512                 "%sc_vec3_01  = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_0   %sc_vec3_1 1 0 4\n" // (0,    sc_0, sc_1)
1513                 "%sc_vec3_012 = OpSpecConstantOp %ivec3 VectorShuffle    %sc_vec3_01  %sc_vec3_2 5 1 2\n" // (sc_2, sc_0, sc_1)
1514                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            0\n"     // sc_2
1515                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            1\n"     // sc_0
1516                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            2\n"     // sc_1
1517                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"        // (sc_2 - sc_0)
1518                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n"        // (sc_2 - sc_0) * sc_1
1519
1520                 "%main      = OpFunction %void None %voidf\n"
1521                 "%label     = OpLabel\n"
1522                 "%idval     = OpLoad %uvec3 %id\n"
1523                 "%x         = OpCompositeExtract %u32 %idval 0\n"
1524                 "%inloc     = OpAccessChain %i32ptr %indata %zero %x\n"
1525                 "%inval     = OpLoad %i32 %inloc\n"
1526                 "%final     = OpIAdd %i32 %inval %sc_final\n"
1527                 "%outloc    = OpAccessChain %i32ptr %outdata %zero %x\n"
1528                 "             OpStore %outloc %final\n"
1529                 "             OpReturn\n"
1530                 "             OpFunctionEnd\n";
1531         spec.inputs.push_back(BufferSp(new Int32Buffer(inputInts)));
1532         spec.outputs.push_back(BufferSp(new Int32Buffer(outputInts3)));
1533         spec.numWorkGroups = IVec3(numElements, 1, 1);
1534         spec.specConstants.push_back(123);
1535         spec.specConstants.push_back(56);
1536         spec.specConstants.push_back(-77);
1537
1538         group->addChild(new SpvAsmComputeShaderCase(testCtx, "vector_related", "VectorShuffle, CompositeExtract, & CompositeInsert", spec));
1539
1540         return group.release();
1541 }
1542
1543 tcu::TestCaseGroup* createOpPhiGroup (tcu::TestContext& testCtx)
1544 {
1545         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
1546         ComputeShaderSpec                               spec1;
1547         ComputeShaderSpec                               spec2;
1548         ComputeShaderSpec                               spec3;
1549         de::Random                                              rnd                             (deStringHash(group->getName()));
1550         const int                                               numElements             = 100;
1551         vector<float>                                   inputFloats             (numElements, 0);
1552         vector<float>                                   outputFloats1   (numElements, 0);
1553         vector<float>                                   outputFloats2   (numElements, 0);
1554         vector<float>                                   outputFloats3   (numElements, 0);
1555
1556         fillRandomScalars(rnd, -300.f, 300.f, &inputFloats[0], numElements);
1557
1558         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1559         floorAll(inputFloats);
1560
1561         for (size_t ndx = 0; ndx < numElements; ++ndx)
1562         {
1563                 switch (ndx % 3)
1564                 {
1565                         case 0:         outputFloats1[ndx] = inputFloats[ndx] + 5.5f;   break;
1566                         case 1:         outputFloats1[ndx] = inputFloats[ndx] + 20.5f;  break;
1567                         case 2:         outputFloats1[ndx] = inputFloats[ndx] + 1.75f;  break;
1568                         default:        break;
1569                 }
1570                 outputFloats2[ndx] = inputFloats[ndx] + 6.5f * 3;
1571                 outputFloats3[ndx] = 8.5f - inputFloats[ndx];
1572         }
1573
1574         spec1.assembly =
1575                 string(s_ShaderPreamble) +
1576
1577                 "OpSource GLSL 430\n"
1578                 "OpName %main \"main\"\n"
1579                 "OpName %id \"gl_GlobalInvocationID\"\n"
1580
1581                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1582
1583                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
1584
1585                 "%id = OpVariable %uvec3ptr Input\n"
1586                 "%zero       = OpConstant %i32 0\n"
1587                 "%three      = OpConstant %u32 3\n"
1588                 "%constf5p5  = OpConstant %f32 5.5\n"
1589                 "%constf20p5 = OpConstant %f32 20.5\n"
1590                 "%constf1p75 = OpConstant %f32 1.75\n"
1591                 "%constf8p5  = OpConstant %f32 8.5\n"
1592                 "%constf6p5  = OpConstant %f32 6.5\n"
1593
1594                 "%main     = OpFunction %void None %voidf\n"
1595                 "%entry    = OpLabel\n"
1596                 "%idval    = OpLoad %uvec3 %id\n"
1597                 "%x        = OpCompositeExtract %u32 %idval 0\n"
1598                 "%selector = OpUMod %u32 %x %three\n"
1599                 "            OpSelectionMerge %phi None\n"
1600                 "            OpSwitch %selector %default 0 %case0 1 %case1 2 %case2\n"
1601
1602                 // Case 1 before OpPhi.
1603                 "%case1    = OpLabel\n"
1604                 "            OpBranch %phi\n"
1605
1606                 "%default  = OpLabel\n"
1607                 "            OpUnreachable\n"
1608
1609                 "%phi      = OpLabel\n"
1610                 "%operand  = OpPhi %f32   %constf1p75 %case2   %constf20p5 %case1   %constf5p5 %case0\n" // not in the order of blocks
1611                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
1612                 "%inval    = OpLoad %f32 %inloc\n"
1613                 "%add      = OpFAdd %f32 %inval %operand\n"
1614                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
1615                 "            OpStore %outloc %add\n"
1616                 "            OpReturn\n"
1617
1618                 // Case 0 after OpPhi.
1619                 "%case0    = OpLabel\n"
1620                 "            OpBranch %phi\n"
1621
1622
1623                 // Case 2 after OpPhi.
1624                 "%case2    = OpLabel\n"
1625                 "            OpBranch %phi\n"
1626
1627                 "            OpFunctionEnd\n";
1628         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1629         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
1630         spec1.numWorkGroups = IVec3(numElements, 1, 1);
1631
1632         group->addChild(new SpvAsmComputeShaderCase(testCtx, "block", "out-of-order and unreachable blocks for OpPhi", spec1));
1633
1634         spec2.assembly =
1635                 string(s_ShaderPreamble) +
1636
1637                 "OpName %main \"main\"\n"
1638                 "OpName %id \"gl_GlobalInvocationID\"\n"
1639
1640                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1641
1642                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
1643
1644                 "%id         = OpVariable %uvec3ptr Input\n"
1645                 "%zero       = OpConstant %i32 0\n"
1646                 "%one        = OpConstant %i32 1\n"
1647                 "%three      = OpConstant %i32 3\n"
1648                 "%constf6p5  = OpConstant %f32 6.5\n"
1649
1650                 "%main       = OpFunction %void None %voidf\n"
1651                 "%entry      = OpLabel\n"
1652                 "%idval      = OpLoad %uvec3 %id\n"
1653                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1654                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
1655                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
1656                 "%inval      = OpLoad %f32 %inloc\n"
1657                 "              OpBranch %phi\n"
1658
1659                 "%phi        = OpLabel\n"
1660                 "%step       = OpPhi %i32 %zero  %entry %step_next  %phi\n"
1661                 "%accum      = OpPhi %f32 %inval %entry %accum_next %phi\n"
1662                 "%step_next  = OpIAdd %i32 %step %one\n"
1663                 "%accum_next = OpFAdd %f32 %accum %constf6p5\n"
1664                 "%still_loop = OpSLessThan %bool %step %three\n"
1665                 "              OpLoopMerge %exit %phi None\n"
1666                 "              OpBranchConditional %still_loop %phi %exit\n"
1667
1668                 "%exit       = OpLabel\n"
1669                 "              OpStore %outloc %accum\n"
1670                 "              OpReturn\n"
1671                 "              OpFunctionEnd\n";
1672         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1673         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
1674         spec2.numWorkGroups = IVec3(numElements, 1, 1);
1675
1676         group->addChild(new SpvAsmComputeShaderCase(testCtx, "induction", "The usual way induction variables are handled in LLVM IR", spec2));
1677
1678         spec3.assembly =
1679                 string(s_ShaderPreamble) +
1680
1681                 "OpName %main \"main\"\n"
1682                 "OpName %id \"gl_GlobalInvocationID\"\n"
1683
1684                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1685
1686                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
1687
1688                 "%f32ptr_f   = OpTypePointer Function %f32\n"
1689                 "%id         = OpVariable %uvec3ptr Input\n"
1690                 "%true       = OpConstantTrue %bool\n"
1691                 "%false      = OpConstantFalse %bool\n"
1692                 "%zero       = OpConstant %i32 0\n"
1693                 "%constf8p5  = OpConstant %f32 8.5\n"
1694
1695                 "%main       = OpFunction %void None %voidf\n"
1696                 "%entry      = OpLabel\n"
1697                 "%b          = OpVariable %f32ptr_f Function %constf8p5\n"
1698                 "%idval      = OpLoad %uvec3 %id\n"
1699                 "%x          = OpCompositeExtract %u32 %idval 0\n"
1700                 "%inloc      = OpAccessChain %f32ptr %indata %zero %x\n"
1701                 "%outloc     = OpAccessChain %f32ptr %outdata %zero %x\n"
1702                 "%a_init     = OpLoad %f32 %inloc\n"
1703                 "%b_init     = OpLoad %f32 %b\n"
1704                 "              OpBranch %phi\n"
1705
1706                 "%phi        = OpLabel\n"
1707                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
1708                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
1709                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
1710                 "              OpLoopMerge %exit %phi None\n"
1711                 "              OpBranchConditional %still_loop %phi %exit\n"
1712
1713                 "%exit       = OpLabel\n"
1714                 "%sub        = OpFSub %f32 %a_next %b_next\n"
1715                 "              OpStore %outloc %sub\n"
1716                 "              OpReturn\n"
1717                 "              OpFunctionEnd\n";
1718         spec3.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1719         spec3.outputs.push_back(BufferSp(new Float32Buffer(outputFloats3)));
1720         spec3.numWorkGroups = IVec3(numElements, 1, 1);
1721
1722         group->addChild(new SpvAsmComputeShaderCase(testCtx, "swap", "Swap the values of two variables using OpPhi", spec3));
1723
1724         return group.release();
1725 }
1726
1727 // Assembly code used for testing block order is based on GLSL source code:
1728 //
1729 // #version 430
1730 //
1731 // layout(std140, set = 0, binding = 0) readonly buffer Input {
1732 //   float elements[];
1733 // } input_data;
1734 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
1735 //   float elements[];
1736 // } output_data;
1737 //
1738 // void main() {
1739 //   uint x = gl_GlobalInvocationID.x;
1740 //   output_data.elements[x] = input_data.elements[x];
1741 //   if (x > uint(50)) {
1742 //     switch (x % uint(3)) {
1743 //       case 0: output_data.elements[x] += 1.5f; break;
1744 //       case 1: output_data.elements[x] += 42.f; break;
1745 //       case 2: output_data.elements[x] -= 27.f; break;
1746 //       default: break;
1747 //     }
1748 //   } else {
1749 //     output_data.elements[x] = -input_data.elements[x];
1750 //   }
1751 // }
1752 tcu::TestCaseGroup* createBlockOrderGroup (tcu::TestContext& testCtx)
1753 {
1754         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "block_order", "Test block orders"));
1755         ComputeShaderSpec                               spec;
1756         de::Random                                              rnd                             (deStringHash(group->getName()));
1757         const int                                               numElements             = 100;
1758         vector<float>                                   inputFloats             (numElements, 0);
1759         vector<float>                                   outputFloats    (numElements, 0);
1760
1761         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
1762
1763         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
1764         floorAll(inputFloats);
1765
1766         for (size_t ndx = 0; ndx <= 50; ++ndx)
1767                 outputFloats[ndx] = -inputFloats[ndx];
1768
1769         for (size_t ndx = 51; ndx < numElements; ++ndx)
1770         {
1771                 switch (ndx % 3)
1772                 {
1773                         case 0:         outputFloats[ndx] = inputFloats[ndx] + 1.5f; break;
1774                         case 1:         outputFloats[ndx] = inputFloats[ndx] + 42.f; break;
1775                         case 2:         outputFloats[ndx] = inputFloats[ndx] - 27.f; break;
1776                         default:        break;
1777                 }
1778         }
1779
1780         spec.assembly =
1781                 string(s_ShaderPreamble) +
1782
1783                 "OpSource GLSL 430\n"
1784                 "OpName %main \"main\"\n"
1785                 "OpName %id \"gl_GlobalInvocationID\"\n"
1786
1787                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
1788
1789                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
1790
1791                 "%u32ptr       = OpTypePointer Function %u32\n"
1792                 "%u32ptr_input = OpTypePointer Input %u32\n"
1793
1794                 + string(s_InputOutputBuffer) +
1795
1796                 "%id        = OpVariable %uvec3ptr Input\n"
1797                 "%zero      = OpConstant %i32 0\n"
1798                 "%const3    = OpConstant %u32 3\n"
1799                 "%const50   = OpConstant %u32 50\n"
1800                 "%constf1p5 = OpConstant %f32 1.5\n"
1801                 "%constf27  = OpConstant %f32 27.0\n"
1802                 "%constf42  = OpConstant %f32 42.0\n"
1803
1804                 "%main = OpFunction %void None %voidf\n"
1805
1806                 // entry block.
1807                 "%entry    = OpLabel\n"
1808
1809                 // Create a temporary variable to hold the value of gl_GlobalInvocationID.x.
1810                 "%xvar     = OpVariable %u32ptr Function\n"
1811                 "%xptr     = OpAccessChain %u32ptr_input %id %zero\n"
1812                 "%x        = OpLoad %u32 %xptr\n"
1813                 "            OpStore %xvar %x\n"
1814
1815                 "%cmp      = OpUGreaterThan %bool %x %const50\n"
1816                 "            OpSelectionMerge %if_merge None\n"
1817                 "            OpBranchConditional %cmp %if_true %if_false\n"
1818
1819                 // Merge block for switch-statement: placed at the beginning.
1820                 "%switch_merge = OpLabel\n"
1821                 "                OpBranch %if_merge\n"
1822
1823                 // Case 1 for switch-statement.
1824                 "%case1    = OpLabel\n"
1825                 "%x_1      = OpLoad %u32 %xvar\n"
1826                 "%inloc_1  = OpAccessChain %f32ptr %indata %zero %x_1\n"
1827                 "%inval_1  = OpLoad %f32 %inloc_1\n"
1828                 "%addf42   = OpFAdd %f32 %inval_1 %constf42\n"
1829                 "%outloc_1 = OpAccessChain %f32ptr %outdata %zero %x_1\n"
1830                 "            OpStore %outloc_1 %addf42\n"
1831                 "            OpBranch %switch_merge\n"
1832
1833                 // False branch for if-statement: placed in the middle of switch cases and before true branch.
1834                 "%if_false = OpLabel\n"
1835                 "%x_f      = OpLoad %u32 %xvar\n"
1836                 "%inloc_f  = OpAccessChain %f32ptr %indata %zero %x_f\n"
1837                 "%inval_f  = OpLoad %f32 %inloc_f\n"
1838                 "%negate   = OpFNegate %f32 %inval_f\n"
1839                 "%outloc_f = OpAccessChain %f32ptr %outdata %zero %x_f\n"
1840                 "            OpStore %outloc_f %negate\n"
1841                 "            OpBranch %if_merge\n"
1842
1843                 // Merge block for if-statement: placed in the middle of true and false branch.
1844                 "%if_merge = OpLabel\n"
1845                 "            OpReturn\n"
1846
1847                 // True branch for if-statement: placed in the middle of swtich cases and after the false branch.
1848                 "%if_true  = OpLabel\n"
1849                 "%xval_t   = OpLoad %u32 %xvar\n"
1850                 "%mod      = OpUMod %u32 %xval_t %const3\n"
1851                 "            OpSelectionMerge %switch_merge None\n"
1852                 "            OpSwitch %mod %default 0 %case0 1 %case1 2 %case2\n"
1853
1854                 // Case 2 for switch-statement.
1855                 "%case2    = OpLabel\n"
1856                 "%x_2      = OpLoad %u32 %xvar\n"
1857                 "%inloc_2  = OpAccessChain %f32ptr %indata %zero %x_2\n"
1858                 "%inval_2  = OpLoad %f32 %inloc_2\n"
1859                 "%subf27   = OpFSub %f32 %inval_2 %constf27\n"
1860                 "%outloc_2 = OpAccessChain %f32ptr %outdata %zero %x_2\n"
1861                 "            OpStore %outloc_2 %subf27\n"
1862                 "            OpBranch %switch_merge\n"
1863
1864                 // Default case for switch-statement: placed in the middle of normal cases.
1865                 "%default = OpLabel\n"
1866                 "           OpBranch %switch_merge\n"
1867
1868                 // Case 0 for switch-statement: out of order.
1869                 "%case0    = OpLabel\n"
1870                 "%x_0      = OpLoad %u32 %xvar\n"
1871                 "%inloc_0  = OpAccessChain %f32ptr %indata %zero %x_0\n"
1872                 "%inval_0  = OpLoad %f32 %inloc_0\n"
1873                 "%addf1p5  = OpFAdd %f32 %inval_0 %constf1p5\n"
1874                 "%outloc_0 = OpAccessChain %f32ptr %outdata %zero %x_0\n"
1875                 "            OpStore %outloc_0 %addf1p5\n"
1876                 "            OpBranch %switch_merge\n"
1877
1878                 "            OpFunctionEnd\n";
1879         spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1880         spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
1881         spec.numWorkGroups = IVec3(numElements, 1, 1);
1882
1883         group->addChild(new SpvAsmComputeShaderCase(testCtx, "all", "various out-of-order blocks", spec));
1884
1885         return group.release();
1886 }
1887
1888 tcu::TestCaseGroup* createMultipleShaderGroup (tcu::TestContext& testCtx)
1889 {
1890         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "multiple_shaders", "Test multiple shaders in the same module"));
1891         ComputeShaderSpec                               spec1;
1892         ComputeShaderSpec                               spec2;
1893         de::Random                                              rnd                             (deStringHash(group->getName()));
1894         const int                                               numElements             = 100;
1895         vector<float>                                   inputFloats             (numElements, 0);
1896         vector<float>                                   outputFloats1   (numElements, 0);
1897         vector<float>                                   outputFloats2   (numElements, 0);
1898         fillRandomScalars(rnd, -500.f, 500.f, &inputFloats[0], numElements);
1899
1900         for (size_t ndx = 0; ndx < numElements; ++ndx)
1901         {
1902                 outputFloats1[ndx] = inputFloats[ndx] + inputFloats[ndx];
1903                 outputFloats2[ndx] = -inputFloats[ndx];
1904         }
1905
1906         const string assembly(
1907                 "OpCapability Shader\n"
1908                 "OpCapability ClipDistance\n"
1909                 "OpMemoryModel Logical GLSL450\n"
1910                 "OpEntryPoint GLCompute %comp_main1 \"entrypoint1\" %id\n"
1911                 "OpEntryPoint GLCompute %comp_main2 \"entrypoint2\" %id\n"
1912                 // A module cannot have two OpEntryPoint instructions with the same Execution Model and the same Name string.
1913                 "OpEntryPoint Vertex    %vert_main  \"entrypoint2\" %vert_builtins %vertexIndex %instanceIndex\n"
1914                 "OpExecutionMode %comp_main1 LocalSize 1 1 1\n"
1915                 "OpExecutionMode %comp_main2 LocalSize 1 1 1\n"
1916
1917                 "OpName %comp_main1              \"entrypoint1\"\n"
1918                 "OpName %comp_main2              \"entrypoint2\"\n"
1919                 "OpName %vert_main               \"entrypoint2\"\n"
1920                 "OpName %id                      \"gl_GlobalInvocationID\"\n"
1921                 "OpName %vert_builtin_st         \"gl_PerVertex\"\n"
1922                 "OpName %vertexIndex             \"gl_VertexIndex\"\n"
1923                 "OpName %instanceIndex           \"gl_InstanceIndex\"\n"
1924                 "OpMemberName %vert_builtin_st 0 \"gl_Position\"\n"
1925                 "OpMemberName %vert_builtin_st 1 \"gl_PointSize\"\n"
1926                 "OpMemberName %vert_builtin_st 2 \"gl_ClipDistance\"\n"
1927
1928                 "OpDecorate %id                      BuiltIn GlobalInvocationId\n"
1929                 "OpDecorate %vertexIndex             BuiltIn VertexIndex\n"
1930                 "OpDecorate %instanceIndex           BuiltIn InstanceIndex\n"
1931                 "OpDecorate %vert_builtin_st         Block\n"
1932                 "OpMemberDecorate %vert_builtin_st 0 BuiltIn Position\n"
1933                 "OpMemberDecorate %vert_builtin_st 1 BuiltIn PointSize\n"
1934                 "OpMemberDecorate %vert_builtin_st 2 BuiltIn ClipDistance\n"
1935
1936                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
1937
1938                 "%zero       = OpConstant %i32 0\n"
1939                 "%one        = OpConstant %u32 1\n"
1940                 "%c_f32_1    = OpConstant %f32 1\n"
1941
1942                 "%i32ptr              = OpTypePointer Input %i32\n"
1943                 "%vec4                = OpTypeVector %f32 4\n"
1944                 "%vec4ptr             = OpTypePointer Output %vec4\n"
1945                 "%f32arr1             = OpTypeArray %f32 %one\n"
1946                 "%vert_builtin_st     = OpTypeStruct %vec4 %f32 %f32arr1\n"
1947                 "%vert_builtin_st_ptr = OpTypePointer Output %vert_builtin_st\n"
1948                 "%vert_builtins       = OpVariable %vert_builtin_st_ptr Output\n"
1949
1950                 "%id         = OpVariable %uvec3ptr Input\n"
1951                 "%vertexIndex = OpVariable %i32ptr Input\n"
1952                 "%instanceIndex = OpVariable %i32ptr Input\n"
1953                 "%c_vec4_1   = OpConstantComposite %vec4 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
1954
1955                 // gl_Position = vec4(1.);
1956                 "%vert_main  = OpFunction %void None %voidf\n"
1957                 "%vert_entry = OpLabel\n"
1958                 "%position   = OpAccessChain %vec4ptr %vert_builtins %zero\n"
1959                 "              OpStore %position %c_vec4_1\n"
1960                 "              OpReturn\n"
1961                 "              OpFunctionEnd\n"
1962
1963                 // Double inputs.
1964                 "%comp_main1  = OpFunction %void None %voidf\n"
1965                 "%comp1_entry = OpLabel\n"
1966                 "%idval1      = OpLoad %uvec3 %id\n"
1967                 "%x1          = OpCompositeExtract %u32 %idval1 0\n"
1968                 "%inloc1      = OpAccessChain %f32ptr %indata %zero %x1\n"
1969                 "%inval1      = OpLoad %f32 %inloc1\n"
1970                 "%add         = OpFAdd %f32 %inval1 %inval1\n"
1971                 "%outloc1     = OpAccessChain %f32ptr %outdata %zero %x1\n"
1972                 "               OpStore %outloc1 %add\n"
1973                 "               OpReturn\n"
1974                 "               OpFunctionEnd\n"
1975
1976                 // Negate inputs.
1977                 "%comp_main2  = OpFunction %void None %voidf\n"
1978                 "%comp2_entry = OpLabel\n"
1979                 "%idval2      = OpLoad %uvec3 %id\n"
1980                 "%x2          = OpCompositeExtract %u32 %idval2 0\n"
1981                 "%inloc2      = OpAccessChain %f32ptr %indata %zero %x2\n"
1982                 "%inval2      = OpLoad %f32 %inloc2\n"
1983                 "%neg         = OpFNegate %f32 %inval2\n"
1984                 "%outloc2     = OpAccessChain %f32ptr %outdata %zero %x2\n"
1985                 "               OpStore %outloc2 %neg\n"
1986                 "               OpReturn\n"
1987                 "               OpFunctionEnd\n");
1988
1989         spec1.assembly = assembly;
1990         spec1.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1991         spec1.outputs.push_back(BufferSp(new Float32Buffer(outputFloats1)));
1992         spec1.numWorkGroups = IVec3(numElements, 1, 1);
1993         spec1.entryPoint = "entrypoint1";
1994
1995         spec2.assembly = assembly;
1996         spec2.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
1997         spec2.outputs.push_back(BufferSp(new Float32Buffer(outputFloats2)));
1998         spec2.numWorkGroups = IVec3(numElements, 1, 1);
1999         spec2.entryPoint = "entrypoint2";
2000
2001         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader1", "multiple shaders in the same module", spec1));
2002         group->addChild(new SpvAsmComputeShaderCase(testCtx, "shader2", "multiple shaders in the same module", spec2));
2003
2004         return group.release();
2005 }
2006
2007 inline std::string makeLongUTF8String (size_t num4ByteChars)
2008 {
2009         // An example of a longest valid UTF-8 character.  Be explicit about the
2010         // character type because Microsoft compilers can otherwise interpret the
2011         // character string as being over wide (16-bit) characters. Ideally, we
2012         // would just use a C++11 UTF-8 string literal, but we want to support older
2013         // Microsoft compilers.
2014         const std::basic_string<char> earthAfrica("\xF0\x9F\x8C\x8D");
2015         std::string longString;
2016         longString.reserve(num4ByteChars * 4);
2017         for (size_t count = 0; count < num4ByteChars; count++)
2018         {
2019                 longString += earthAfrica;
2020         }
2021         return longString;
2022 }
2023
2024 tcu::TestCaseGroup* createOpSourceGroup (tcu::TestContext& testCtx)
2025 {
2026         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsource", "Tests the OpSource & OpSourceContinued instruction"));
2027         vector<CaseParameter>                   cases;
2028         de::Random                                              rnd                             (deStringHash(group->getName()));
2029         const int                                               numElements             = 100;
2030         vector<float>                                   positiveFloats  (numElements, 0);
2031         vector<float>                                   negativeFloats  (numElements, 0);
2032         const StringTemplate                    shaderTemplate  (
2033                 "OpCapability Shader\n"
2034                 "OpMemoryModel Logical GLSL450\n"
2035
2036                 "OpEntryPoint GLCompute %main \"main\" %id\n"
2037                 "OpExecutionMode %main LocalSize 1 1 1\n"
2038
2039                 "${SOURCE}\n"
2040
2041                 "OpName %main           \"main\"\n"
2042                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2043
2044                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2045
2046                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2047
2048                 "%id        = OpVariable %uvec3ptr Input\n"
2049                 "%zero      = OpConstant %i32 0\n"
2050
2051                 "%main      = OpFunction %void None %voidf\n"
2052                 "%label     = OpLabel\n"
2053                 "%idval     = OpLoad %uvec3 %id\n"
2054                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2055                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2056                 "%inval     = OpLoad %f32 %inloc\n"
2057                 "%neg       = OpFNegate %f32 %inval\n"
2058                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2059                 "             OpStore %outloc %neg\n"
2060                 "             OpReturn\n"
2061                 "             OpFunctionEnd\n");
2062
2063         cases.push_back(CaseParameter("unknown_source",                                                 "OpSource Unknown 0"));
2064         cases.push_back(CaseParameter("wrong_source",                                                   "OpSource OpenCL_C 210"));
2065         cases.push_back(CaseParameter("normal_filename",                                                "%fname = OpString \"filename\"\n"
2066                                                                                                                                                         "OpSource GLSL 430 %fname"));
2067         cases.push_back(CaseParameter("empty_filename",                                                 "%fname = OpString \"\"\n"
2068                                                                                                                                                         "OpSource GLSL 430 %fname"));
2069         cases.push_back(CaseParameter("normal_source_code",                                             "%fname = OpString \"filename\"\n"
2070                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\""));
2071         cases.push_back(CaseParameter("empty_source_code",                                              "%fname = OpString \"filename\"\n"
2072                                                                                                                                                         "OpSource GLSL 430 %fname \"\""));
2073         cases.push_back(CaseParameter("long_source_code",                                               "%fname = OpString \"filename\"\n"
2074                                                                                                                                                         "OpSource GLSL 430 %fname \"" + makeLongUTF8String(65530) + "ccc\"")); // word count: 65535
2075         cases.push_back(CaseParameter("utf8_source_code",                                               "%fname = OpString \"filename\"\n"
2076                                                                                                                                                         "OpSource GLSL 430 %fname \"\xE2\x98\x82\xE2\x98\x85\"")); // umbrella & black star symbol
2077         cases.push_back(CaseParameter("normal_sourcecontinued",                                 "%fname = OpString \"filename\"\n"
2078                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvo\"\n"
2079                                                                                                                                                         "OpSourceContinued \"id main() {}\""));
2080         cases.push_back(CaseParameter("empty_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
2081                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2082                                                                                                                                                         "OpSourceContinued \"\""));
2083         cases.push_back(CaseParameter("long_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
2084                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2085                                                                                                                                                         "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\"")); // word count: 65535
2086         cases.push_back(CaseParameter("utf8_sourcecontinued",                                   "%fname = OpString \"filename\"\n"
2087                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\nvoid main() {}\"\n"
2088                                                                                                                                                         "OpSourceContinued \"\xE2\x98\x8E\xE2\x9A\x91\"")); // white telephone & black flag symbol
2089         cases.push_back(CaseParameter("multi_sourcecontinued",                                  "%fname = OpString \"filename\"\n"
2090                                                                                                                                                         "OpSource GLSL 430 %fname \"#version 430\n\"\n"
2091                                                                                                                                                         "OpSourceContinued \"void\"\n"
2092                                                                                                                                                         "OpSourceContinued \"main()\"\n"
2093                                                                                                                                                         "OpSourceContinued \"{}\""));
2094         cases.push_back(CaseParameter("empty_source_before_sourcecontinued",    "%fname = OpString \"filename\"\n"
2095                                                                                                                                                         "OpSource GLSL 430 %fname \"\"\n"
2096                                                                                                                                                         "OpSourceContinued \"#version 430\nvoid main() {}\""));
2097
2098         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2099
2100         for (size_t ndx = 0; ndx < numElements; ++ndx)
2101                 negativeFloats[ndx] = -positiveFloats[ndx];
2102
2103         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2104         {
2105                 map<string, string>             specializations;
2106                 ComputeShaderSpec               spec;
2107
2108                 specializations["SOURCE"] = cases[caseNdx].param;
2109                 spec.assembly = shaderTemplate.specialize(specializations);
2110                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2111                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2112                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2113
2114                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2115         }
2116
2117         return group.release();
2118 }
2119
2120 tcu::TestCaseGroup* createOpSourceExtensionGroup (tcu::TestContext& testCtx)
2121 {
2122         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opsourceextension", "Tests the OpSource instruction"));
2123         vector<CaseParameter>                   cases;
2124         de::Random                                              rnd                             (deStringHash(group->getName()));
2125         const int                                               numElements             = 100;
2126         vector<float>                                   inputFloats             (numElements, 0);
2127         vector<float>                                   outputFloats    (numElements, 0);
2128         const StringTemplate                    shaderTemplate  (
2129                 string(s_ShaderPreamble) +
2130
2131                 "OpSourceExtension \"${EXTENSION}\"\n"
2132
2133                 "OpName %main           \"main\"\n"
2134                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2135
2136                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2137
2138                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2139
2140                 "%id        = OpVariable %uvec3ptr Input\n"
2141                 "%zero      = OpConstant %i32 0\n"
2142
2143                 "%main      = OpFunction %void None %voidf\n"
2144                 "%label     = OpLabel\n"
2145                 "%idval     = OpLoad %uvec3 %id\n"
2146                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2147                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2148                 "%inval     = OpLoad %f32 %inloc\n"
2149                 "%neg       = OpFNegate %f32 %inval\n"
2150                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2151                 "             OpStore %outloc %neg\n"
2152                 "             OpReturn\n"
2153                 "             OpFunctionEnd\n");
2154
2155         cases.push_back(CaseParameter("empty_extension",        ""));
2156         cases.push_back(CaseParameter("real_extension",         "GL_ARB_texture_rectangle"));
2157         cases.push_back(CaseParameter("fake_extension",         "GL_ARB_im_the_ultimate_extension"));
2158         cases.push_back(CaseParameter("utf8_extension",         "GL_ARB_\xE2\x98\x82\xE2\x98\x85"));
2159         cases.push_back(CaseParameter("long_extension",         makeLongUTF8String(65533) + "ccc")); // word count: 65535
2160
2161         fillRandomScalars(rnd, -200.f, 200.f, &inputFloats[0], numElements);
2162
2163         for (size_t ndx = 0; ndx < numElements; ++ndx)
2164                 outputFloats[ndx] = -inputFloats[ndx];
2165
2166         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2167         {
2168                 map<string, string>             specializations;
2169                 ComputeShaderSpec               spec;
2170
2171                 specializations["EXTENSION"] = cases[caseNdx].param;
2172                 spec.assembly = shaderTemplate.specialize(specializations);
2173                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
2174                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
2175                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2176
2177                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2178         }
2179
2180         return group.release();
2181 }
2182
2183 // Checks that a compute shader can generate a constant null value of various types, without exercising a computation on it.
2184 tcu::TestCaseGroup* createOpConstantNullGroup (tcu::TestContext& testCtx)
2185 {
2186         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnull", "Tests the OpConstantNull instruction"));
2187         vector<CaseParameter>                   cases;
2188         de::Random                                              rnd                             (deStringHash(group->getName()));
2189         const int                                               numElements             = 100;
2190         vector<float>                                   positiveFloats  (numElements, 0);
2191         vector<float>                                   negativeFloats  (numElements, 0);
2192         const StringTemplate                    shaderTemplate  (
2193                 string(s_ShaderPreamble) +
2194
2195                 "OpSource GLSL 430\n"
2196                 "OpName %main           \"main\"\n"
2197                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2198
2199                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2200
2201                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2202
2203                 "${TYPE}\n"
2204                 "%null      = OpConstantNull %type\n"
2205
2206                 "%id        = OpVariable %uvec3ptr Input\n"
2207                 "%zero      = OpConstant %i32 0\n"
2208
2209                 "%main      = OpFunction %void None %voidf\n"
2210                 "%label     = OpLabel\n"
2211                 "%idval     = OpLoad %uvec3 %id\n"
2212                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2213                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2214                 "%inval     = OpLoad %f32 %inloc\n"
2215                 "%neg       = OpFNegate %f32 %inval\n"
2216                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2217                 "             OpStore %outloc %neg\n"
2218                 "             OpReturn\n"
2219                 "             OpFunctionEnd\n");
2220
2221         cases.push_back(CaseParameter("bool",                   "%type = OpTypeBool"));
2222         cases.push_back(CaseParameter("sint32",                 "%type = OpTypeInt 32 1"));
2223         cases.push_back(CaseParameter("uint32",                 "%type = OpTypeInt 32 0"));
2224         cases.push_back(CaseParameter("float32",                "%type = OpTypeFloat 32"));
2225         cases.push_back(CaseParameter("vec4float32",    "%type = OpTypeVector %f32 4"));
2226         cases.push_back(CaseParameter("vec3bool",               "%type = OpTypeVector %bool 3"));
2227         cases.push_back(CaseParameter("vec2uint32",             "%type = OpTypeVector %u32 2"));
2228         cases.push_back(CaseParameter("matrix",                 "%type = OpTypeMatrix %fvec3 3"));
2229         cases.push_back(CaseParameter("array",                  "%100 = OpConstant %u32 100\n"
2230                                                                                                         "%type = OpTypeArray %i32 %100"));
2231         cases.push_back(CaseParameter("struct",                 "%type = OpTypeStruct %f32 %i32 %u32"));
2232         cases.push_back(CaseParameter("pointer",                "%type = OpTypePointer Function %i32"));
2233
2234         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2235
2236         for (size_t ndx = 0; ndx < numElements; ++ndx)
2237                 negativeFloats[ndx] = -positiveFloats[ndx];
2238
2239         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2240         {
2241                 map<string, string>             specializations;
2242                 ComputeShaderSpec               spec;
2243
2244                 specializations["TYPE"] = cases[caseNdx].param;
2245                 spec.assembly = shaderTemplate.specialize(specializations);
2246                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2247                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2248                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2249
2250                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2251         }
2252
2253         return group.release();
2254 }
2255
2256 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
2257 tcu::TestCaseGroup* createOpConstantCompositeGroup (tcu::TestContext& testCtx)
2258 {
2259         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "Tests the OpConstantComposite instruction"));
2260         vector<CaseParameter>                   cases;
2261         de::Random                                              rnd                             (deStringHash(group->getName()));
2262         const int                                               numElements             = 100;
2263         vector<float>                                   positiveFloats  (numElements, 0);
2264         vector<float>                                   negativeFloats  (numElements, 0);
2265         const StringTemplate                    shaderTemplate  (
2266                 string(s_ShaderPreamble) +
2267
2268                 "OpSource GLSL 430\n"
2269                 "OpName %main           \"main\"\n"
2270                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2271
2272                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2273
2274                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2275
2276                 "%id        = OpVariable %uvec3ptr Input\n"
2277                 "%zero      = OpConstant %i32 0\n"
2278
2279                 "${CONSTANT}\n"
2280
2281                 "%main      = OpFunction %void None %voidf\n"
2282                 "%label     = OpLabel\n"
2283                 "%idval     = OpLoad %uvec3 %id\n"
2284                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2285                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2286                 "%inval     = OpLoad %f32 %inloc\n"
2287                 "%neg       = OpFNegate %f32 %inval\n"
2288                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2289                 "             OpStore %outloc %neg\n"
2290                 "             OpReturn\n"
2291                 "             OpFunctionEnd\n");
2292
2293         cases.push_back(CaseParameter("vector",                 "%five = OpConstant %u32 5\n"
2294                                                                                                         "%const = OpConstantComposite %uvec3 %five %zero %five"));
2295         cases.push_back(CaseParameter("matrix",                 "%m3fvec3 = OpTypeMatrix %fvec3 3\n"
2296                                                                                                         "%ten = OpConstant %f32 10.\n"
2297                                                                                                         "%fzero = OpConstant %f32 0.\n"
2298                                                                                                         "%vec = OpConstantComposite %fvec3 %ten %fzero %ten\n"
2299                                                                                                         "%mat = OpConstantComposite %m3fvec3 %vec %vec %vec"));
2300         cases.push_back(CaseParameter("struct",                 "%m2vec3 = OpTypeMatrix %fvec3 2\n"
2301                                                                                                         "%struct = OpTypeStruct %i32 %f32 %fvec3 %m2vec3\n"
2302                                                                                                         "%fzero = OpConstant %f32 0.\n"
2303                                                                                                         "%one = OpConstant %f32 1.\n"
2304                                                                                                         "%point5 = OpConstant %f32 0.5\n"
2305                                                                                                         "%vec = OpConstantComposite %fvec3 %one %one %fzero\n"
2306                                                                                                         "%mat = OpConstantComposite %m2vec3 %vec %vec\n"
2307                                                                                                         "%const = OpConstantComposite %struct %zero %point5 %vec %mat"));
2308         cases.push_back(CaseParameter("nested_struct",  "%st1 = OpTypeStruct %u32 %f32\n"
2309                                                                                                         "%st2 = OpTypeStruct %i32 %i32\n"
2310                                                                                                         "%struct = OpTypeStruct %st1 %st2\n"
2311                                                                                                         "%point5 = OpConstant %f32 0.5\n"
2312                                                                                                         "%one = OpConstant %u32 1\n"
2313                                                                                                         "%ten = OpConstant %i32 10\n"
2314                                                                                                         "%st1val = OpConstantComposite %st1 %one %point5\n"
2315                                                                                                         "%st2val = OpConstantComposite %st2 %ten %ten\n"
2316                                                                                                         "%const = OpConstantComposite %struct %st1val %st2val"));
2317
2318         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2319
2320         for (size_t ndx = 0; ndx < numElements; ++ndx)
2321                 negativeFloats[ndx] = -positiveFloats[ndx];
2322
2323         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
2324         {
2325                 map<string, string>             specializations;
2326                 ComputeShaderSpec               spec;
2327
2328                 specializations["CONSTANT"] = cases[caseNdx].param;
2329                 spec.assembly = shaderTemplate.specialize(specializations);
2330                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2331                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2332                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2333
2334                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
2335         }
2336
2337         return group.release();
2338 }
2339
2340 // Creates a floating point number with the given exponent, and significand
2341 // bits set. It can only create normalized numbers. Only the least significant
2342 // 24 bits of the significand will be examined. The final bit of the
2343 // significand will also be ignored. This allows alignment to be written
2344 // similarly to C99 hex-floats.
2345 // For example if you wanted to write 0x1.7f34p-12 you would call
2346 // constructNormalizedFloat(-12, 0x7f3400)
2347 float constructNormalizedFloat (deInt32 exponent, deUint32 significand)
2348 {
2349         float f = 1.0f;
2350
2351         for (deInt32 idx = 0; idx < 23; ++idx)
2352         {
2353                 f += ((significand & 0x800000) == 0) ? 0.f : std::ldexp(1.0f, -(idx + 1));
2354                 significand <<= 1;
2355         }
2356
2357         return std::ldexp(f, exponent);
2358 }
2359
2360 // Compare instruction for the OpQuantizeF16 compute exact case.
2361 // Returns true if the output is what is expected from the test case.
2362 bool compareOpQuantizeF16ComputeExactCase (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
2363 {
2364         if (outputAllocs.size() != 1)
2365                 return false;
2366
2367         // We really just need this for size because we cannot compare Nans.
2368         const BufferSp& expectedOutput  = expectedOutputs[0];
2369         const float*    outputAsFloat   = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
2370
2371         if (expectedOutput->getNumBytes() != 4*sizeof(float)) {
2372                 return false;
2373         }
2374
2375         if (*outputAsFloat != constructNormalizedFloat(8, 0x304000) &&
2376                 *outputAsFloat != constructNormalizedFloat(8, 0x300000)) {
2377                 return false;
2378         }
2379         outputAsFloat++;
2380
2381         if (*outputAsFloat != -constructNormalizedFloat(-7, 0x600000) &&
2382                 *outputAsFloat != -constructNormalizedFloat(-7, 0x604000)) {
2383                 return false;
2384         }
2385         outputAsFloat++;
2386
2387         if (*outputAsFloat != constructNormalizedFloat(2, 0x01C000) &&
2388                 *outputAsFloat != constructNormalizedFloat(2, 0x020000)) {
2389                 return false;
2390         }
2391         outputAsFloat++;
2392
2393         if (*outputAsFloat != constructNormalizedFloat(1, 0xFFC000) &&
2394                 *outputAsFloat != constructNormalizedFloat(2, 0x000000)) {
2395                 return false;
2396         }
2397
2398         return true;
2399 }
2400
2401 // Checks that every output from a test-case is a float NaN.
2402 bool compareNan (const std::vector<BufferSp>&, const vector<AllocationSp>& outputAllocs, const std::vector<BufferSp>& expectedOutputs, TestLog&)
2403 {
2404         if (outputAllocs.size() != 1)
2405                 return false;
2406
2407         // We really just need this for size because we cannot compare Nans.
2408         const BufferSp& expectedOutput          = expectedOutputs[0];
2409         const float* output_as_float            = static_cast<const float*>(outputAllocs[0]->getHostPtr());;
2410
2411         for (size_t idx = 0; idx < expectedOutput->getNumBytes() / sizeof(float); ++idx)
2412         {
2413                 if (!isnan(output_as_float[idx]))
2414                 {
2415                         return false;
2416                 }
2417         }
2418
2419         return true;
2420 }
2421
2422 // Checks that a compute shader can generate a constant composite value of various types, without exercising a computation on it.
2423 tcu::TestCaseGroup* createOpQuantizeToF16Group (tcu::TestContext& testCtx)
2424 {
2425         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opquantize", "Tests the OpQuantizeToF16 instruction"));
2426
2427         const std::string shader (
2428                 string(s_ShaderPreamble) +
2429
2430                 "OpSource GLSL 430\n"
2431                 "OpName %main           \"main\"\n"
2432                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2433
2434                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2435
2436                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2437
2438                 "%id        = OpVariable %uvec3ptr Input\n"
2439                 "%zero      = OpConstant %i32 0\n"
2440
2441                 "%main      = OpFunction %void None %voidf\n"
2442                 "%label     = OpLabel\n"
2443                 "%idval     = OpLoad %uvec3 %id\n"
2444                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2445                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2446                 "%inval     = OpLoad %f32 %inloc\n"
2447                 "%quant     = OpQuantizeToF16 %f32 %inval\n"
2448                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2449                 "             OpStore %outloc %quant\n"
2450                 "             OpReturn\n"
2451                 "             OpFunctionEnd\n");
2452
2453         {
2454                 ComputeShaderSpec       spec;
2455                 const deUint32          numElements             = 100;
2456                 vector<float>           infinities;
2457                 vector<float>           results;
2458
2459                 infinities.reserve(numElements);
2460                 results.reserve(numElements);
2461
2462                 for (size_t idx = 0; idx < numElements; ++idx)
2463                 {
2464                         switch(idx % 4)
2465                         {
2466                                 case 0:
2467                                         infinities.push_back(std::numeric_limits<float>::infinity());
2468                                         results.push_back(std::numeric_limits<float>::infinity());
2469                                         break;
2470                                 case 1:
2471                                         infinities.push_back(-std::numeric_limits<float>::infinity());
2472                                         results.push_back(-std::numeric_limits<float>::infinity());
2473                                         break;
2474                                 case 2:
2475                                         infinities.push_back(std::ldexp(1.0f, 16));
2476                                         results.push_back(std::numeric_limits<float>::infinity());
2477                                         break;
2478                                 case 3:
2479                                         infinities.push_back(std::ldexp(-1.0f, 32));
2480                                         results.push_back(-std::numeric_limits<float>::infinity());
2481                                         break;
2482                         }
2483                 }
2484
2485                 spec.assembly = shader;
2486                 spec.inputs.push_back(BufferSp(new Float32Buffer(infinities)));
2487                 spec.outputs.push_back(BufferSp(new Float32Buffer(results)));
2488                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2489
2490                 group->addChild(new SpvAsmComputeShaderCase(
2491                         testCtx, "infinities", "Check that infinities propagated and created", spec));
2492         }
2493
2494         {
2495                 ComputeShaderSpec       spec;
2496                 vector<float>           nans;
2497                 const deUint32          numElements             = 100;
2498
2499                 nans.reserve(numElements);
2500
2501                 for (size_t idx = 0; idx < numElements; ++idx)
2502                 {
2503                         if (idx % 2 == 0)
2504                         {
2505                                 nans.push_back(std::numeric_limits<float>::quiet_NaN());
2506                         }
2507                         else
2508                         {
2509                                 nans.push_back(-std::numeric_limits<float>::quiet_NaN());
2510                         }
2511                 }
2512
2513                 spec.assembly = shader;
2514                 spec.inputs.push_back(BufferSp(new Float32Buffer(nans)));
2515                 spec.outputs.push_back(BufferSp(new Float32Buffer(nans)));
2516                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2517                 spec.verifyIO = &compareNan;
2518
2519                 group->addChild(new SpvAsmComputeShaderCase(
2520                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
2521         }
2522
2523         {
2524                 ComputeShaderSpec       spec;
2525                 vector<float>           small;
2526                 vector<float>           zeros;
2527                 const deUint32          numElements             = 100;
2528
2529                 small.reserve(numElements);
2530                 zeros.reserve(numElements);
2531
2532                 for (size_t idx = 0; idx < numElements; ++idx)
2533                 {
2534                         switch(idx % 6)
2535                         {
2536                                 case 0:
2537                                         small.push_back(0.f);
2538                                         zeros.push_back(0.f);
2539                                         break;
2540                                 case 1:
2541                                         small.push_back(-0.f);
2542                                         zeros.push_back(-0.f);
2543                                         break;
2544                                 case 2:
2545                                         small.push_back(std::ldexp(1.0f, -16));
2546                                         zeros.push_back(0.f);
2547                                         break;
2548                                 case 3:
2549                                         small.push_back(std::ldexp(-1.0f, -32));
2550                                         zeros.push_back(-0.f);
2551                                         break;
2552                                 case 4:
2553                                         small.push_back(std::ldexp(1.0f, -127));
2554                                         zeros.push_back(0.f);
2555                                         break;
2556                                 case 5:
2557                                         small.push_back(-std::ldexp(1.0f, -128));
2558                                         zeros.push_back(-0.f);
2559                                         break;
2560                         }
2561                 }
2562
2563                 spec.assembly = shader;
2564                 spec.inputs.push_back(BufferSp(new Float32Buffer(small)));
2565                 spec.outputs.push_back(BufferSp(new Float32Buffer(zeros)));
2566                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2567
2568                 group->addChild(new SpvAsmComputeShaderCase(
2569                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
2570         }
2571
2572         {
2573                 ComputeShaderSpec       spec;
2574                 vector<float>           exact;
2575                 const deUint32          numElements             = 200;
2576
2577                 exact.reserve(numElements);
2578
2579                 for (size_t idx = 0; idx < numElements; ++idx)
2580                         exact.push_back(static_cast<float>(static_cast<int>(idx) - 100));
2581
2582                 spec.assembly = shader;
2583                 spec.inputs.push_back(BufferSp(new Float32Buffer(exact)));
2584                 spec.outputs.push_back(BufferSp(new Float32Buffer(exact)));
2585                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2586
2587                 group->addChild(new SpvAsmComputeShaderCase(
2588                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
2589         }
2590
2591         {
2592                 ComputeShaderSpec       spec;
2593                 vector<float>           inputs;
2594                 const deUint32          numElements             = 4;
2595
2596                 inputs.push_back(constructNormalizedFloat(8,    0x300300));
2597                 inputs.push_back(-constructNormalizedFloat(-7,  0x600800));
2598                 inputs.push_back(constructNormalizedFloat(2,    0x01E000));
2599                 inputs.push_back(constructNormalizedFloat(1,    0xFFE000));
2600
2601                 spec.assembly = shader;
2602                 spec.verifyIO = &compareOpQuantizeF16ComputeExactCase;
2603                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2604                 spec.outputs.push_back(BufferSp(new Float32Buffer(inputs)));
2605                 spec.numWorkGroups = IVec3(numElements, 1, 1);
2606
2607                 group->addChild(new SpvAsmComputeShaderCase(
2608                         testCtx, "rounded", "Check that are rounded when needed", spec));
2609         }
2610
2611         return group.release();
2612 }
2613
2614 // Performs a bitwise copy of source to the destination type Dest.
2615 template <typename Dest, typename Src>
2616 Dest bitwiseCast(Src source)
2617 {
2618   Dest dest;
2619   DE_STATIC_ASSERT(sizeof(source) == sizeof(dest));
2620   deMemcpy(&dest, &source, sizeof(dest));
2621   return dest;
2622 }
2623
2624 tcu::TestCaseGroup* createSpecConstantOpQuantizeToF16Group (tcu::TestContext& testCtx)
2625 {
2626         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opspecconstantop_opquantize", "Tests the OpQuantizeToF16 opcode for the OpSpecConstantOp instruction"));
2627
2628         const std::string shader (
2629                 string(s_ShaderPreamble) +
2630
2631                 "OpName %main           \"main\"\n"
2632                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2633
2634                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2635
2636                 "OpDecorate %sc_0  SpecId 0\n"
2637                 "OpDecorate %sc_1  SpecId 1\n"
2638                 "OpDecorate %sc_2  SpecId 2\n"
2639                 "OpDecorate %sc_3  SpecId 3\n"
2640                 "OpDecorate %sc_4  SpecId 4\n"
2641                 "OpDecorate %sc_5  SpecId 5\n"
2642
2643                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2644
2645                 "%id        = OpVariable %uvec3ptr Input\n"
2646                 "%zero      = OpConstant %i32 0\n"
2647                 "%c_u32_6   = OpConstant %u32 6\n"
2648
2649                 "%sc_0      = OpSpecConstant %f32 0.\n"
2650                 "%sc_1      = OpSpecConstant %f32 0.\n"
2651                 "%sc_2      = OpSpecConstant %f32 0.\n"
2652                 "%sc_3      = OpSpecConstant %f32 0.\n"
2653                 "%sc_4      = OpSpecConstant %f32 0.\n"
2654                 "%sc_5      = OpSpecConstant %f32 0.\n"
2655
2656                 "%sc_0_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_0\n"
2657                 "%sc_1_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_1\n"
2658                 "%sc_2_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_2\n"
2659                 "%sc_3_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_3\n"
2660                 "%sc_4_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_4\n"
2661                 "%sc_5_quant = OpSpecConstantOp %f32 QuantizeToF16 %sc_5\n"
2662
2663                 "%main      = OpFunction %void None %voidf\n"
2664                 "%label     = OpLabel\n"
2665                 "%idval     = OpLoad %uvec3 %id\n"
2666                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2667                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2668                 "%selector  = OpUMod %u32 %x %c_u32_6\n"
2669                 "            OpSelectionMerge %exit None\n"
2670                 "            OpSwitch %selector %exit 0 %case0 1 %case1 2 %case2 3 %case3 4 %case4 5 %case5\n"
2671
2672                 "%case0     = OpLabel\n"
2673                 "             OpStore %outloc %sc_0_quant\n"
2674                 "             OpBranch %exit\n"
2675
2676                 "%case1     = OpLabel\n"
2677                 "             OpStore %outloc %sc_1_quant\n"
2678                 "             OpBranch %exit\n"
2679
2680                 "%case2     = OpLabel\n"
2681                 "             OpStore %outloc %sc_2_quant\n"
2682                 "             OpBranch %exit\n"
2683
2684                 "%case3     = OpLabel\n"
2685                 "             OpStore %outloc %sc_3_quant\n"
2686                 "             OpBranch %exit\n"
2687
2688                 "%case4     = OpLabel\n"
2689                 "             OpStore %outloc %sc_4_quant\n"
2690                 "             OpBranch %exit\n"
2691
2692                 "%case5     = OpLabel\n"
2693                 "             OpStore %outloc %sc_5_quant\n"
2694                 "             OpBranch %exit\n"
2695
2696                 "%exit      = OpLabel\n"
2697                 "             OpReturn\n"
2698
2699                 "             OpFunctionEnd\n");
2700
2701         {
2702                 ComputeShaderSpec       spec;
2703                 const deUint8           numCases        = 4;
2704                 vector<float>           inputs          (numCases, 0.f);
2705                 vector<float>           outputs;
2706
2707                 spec.assembly           = shader;
2708                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2709
2710                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::numeric_limits<float>::infinity()));
2711                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::numeric_limits<float>::infinity()));
2712                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, 16)));
2713                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, 32)));
2714
2715                 outputs.push_back(std::numeric_limits<float>::infinity());
2716                 outputs.push_back(-std::numeric_limits<float>::infinity());
2717                 outputs.push_back(std::numeric_limits<float>::infinity());
2718                 outputs.push_back(-std::numeric_limits<float>::infinity());
2719
2720                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2721                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2722
2723                 group->addChild(new SpvAsmComputeShaderCase(
2724                         testCtx, "infinities", "Check that infinities propagated and created", spec));
2725         }
2726
2727         {
2728                 ComputeShaderSpec       spec;
2729                 const deUint8           numCases        = 2;
2730                 vector<float>           inputs          (numCases, 0.f);
2731                 vector<float>           outputs;
2732
2733                 spec.assembly           = shader;
2734                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2735                 spec.verifyIO           = &compareNan;
2736
2737                 outputs.push_back(std::numeric_limits<float>::quiet_NaN());
2738                 outputs.push_back(-std::numeric_limits<float>::quiet_NaN());
2739
2740                 for (deUint8 idx = 0; idx < numCases; ++idx)
2741                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
2742
2743                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2744                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2745
2746                 group->addChild(new SpvAsmComputeShaderCase(
2747                         testCtx, "propagated_nans", "Check that nans are propagated", spec));
2748         }
2749
2750         {
2751                 ComputeShaderSpec       spec;
2752                 const deUint8           numCases        = 6;
2753                 vector<float>           inputs          (numCases, 0.f);
2754                 vector<float>           outputs;
2755
2756                 spec.assembly           = shader;
2757                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2758
2759                 spec.specConstants.push_back(bitwiseCast<deUint32>(0.f));
2760                 spec.specConstants.push_back(bitwiseCast<deUint32>(-0.f));
2761                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -16)));
2762                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(-1.0f, -32)));
2763                 spec.specConstants.push_back(bitwiseCast<deUint32>(std::ldexp(1.0f, -127)));
2764                 spec.specConstants.push_back(bitwiseCast<deUint32>(-std::ldexp(1.0f, -128)));
2765
2766                 outputs.push_back(0.f);
2767                 outputs.push_back(-0.f);
2768                 outputs.push_back(0.f);
2769                 outputs.push_back(-0.f);
2770                 outputs.push_back(0.f);
2771                 outputs.push_back(-0.f);
2772
2773                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2774                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2775
2776                 group->addChild(new SpvAsmComputeShaderCase(
2777                         testCtx, "flush_to_zero", "Check that values are zeroed correctly", spec));
2778         }
2779
2780         {
2781                 ComputeShaderSpec       spec;
2782                 const deUint8           numCases        = 6;
2783                 vector<float>           inputs          (numCases, 0.f);
2784                 vector<float>           outputs;
2785
2786                 spec.assembly           = shader;
2787                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2788
2789                 for (deUint8 idx = 0; idx < 6; ++idx)
2790                 {
2791                         const float f = static_cast<float>(idx * 10 - 30) / 4.f;
2792                         spec.specConstants.push_back(bitwiseCast<deUint32>(f));
2793                         outputs.push_back(f);
2794                 }
2795
2796                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputs)));
2797                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputs)));
2798
2799                 group->addChild(new SpvAsmComputeShaderCase(
2800                         testCtx, "exact", "Check that values exactly preserved where appropriate", spec));
2801         }
2802
2803         {
2804                 ComputeShaderSpec       spec;
2805                 const deUint8           numCases        = 4;
2806                 vector<float>           inputs          (numCases, 0.f);
2807                 vector<float>           outputs;
2808
2809                 spec.assembly           = shader;
2810                 spec.numWorkGroups      = IVec3(numCases, 1, 1);
2811                 spec.verifyIO           = &compareOpQuantizeF16ComputeExactCase;
2812
2813                 outputs.push_back(constructNormalizedFloat(8, 0x300300));
2814                 outputs.push_back(-constructNormalizedFloat(-7, 0x600800));
2815                 outputs.push_back(constructNormalizedFloat(2, 0x01E000));
2816                 outputs.push_back(constructNormalizedFloat(1, 0xFFE000));
2817
2818                 for (deUint8 idx = 0; idx < numCases; ++idx)
2819                         spec.specConstants.push_back(bitwiseCast<deUint32>(outputs[idx]));
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, "rounded", "Check that are rounded when needed", spec));
2826         }
2827
2828         return group.release();
2829 }
2830
2831 // Checks that constant null/composite values can be used in computation.
2832 tcu::TestCaseGroup* createOpConstantUsageGroup (tcu::TestContext& testCtx)
2833 {
2834         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opconstantnullcomposite", "Spotcheck the OpConstantNull & OpConstantComposite instruction"));
2835         ComputeShaderSpec                               spec;
2836         de::Random                                              rnd                             (deStringHash(group->getName()));
2837         const int                                               numElements             = 100;
2838         vector<float>                                   positiveFloats  (numElements, 0);
2839         vector<float>                                   negativeFloats  (numElements, 0);
2840
2841         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
2842
2843         for (size_t ndx = 0; ndx < numElements; ++ndx)
2844                 negativeFloats[ndx] = -positiveFloats[ndx];
2845
2846         spec.assembly =
2847                 "OpCapability Shader\n"
2848                 "%std450 = OpExtInstImport \"GLSL.std.450\"\n"
2849                 "OpMemoryModel Logical GLSL450\n"
2850                 "OpEntryPoint GLCompute %main \"main\" %id\n"
2851                 "OpExecutionMode %main LocalSize 1 1 1\n"
2852
2853                 "OpSource GLSL 430\n"
2854                 "OpName %main           \"main\"\n"
2855                 "OpName %id             \"gl_GlobalInvocationID\"\n"
2856
2857                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2858
2859                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) +
2860
2861                 "%fmat      = OpTypeMatrix %fvec3 3\n"
2862                 "%ten       = OpConstant %u32 10\n"
2863                 "%f32arr10  = OpTypeArray %f32 %ten\n"
2864                 "%fst       = OpTypeStruct %f32 %f32\n"
2865
2866                 + string(s_InputOutputBuffer) +
2867
2868                 "%id        = OpVariable %uvec3ptr Input\n"
2869                 "%zero      = OpConstant %i32 0\n"
2870
2871                 // Create a bunch of null values
2872                 "%unull     = OpConstantNull %u32\n"
2873                 "%fnull     = OpConstantNull %f32\n"
2874                 "%vnull     = OpConstantNull %fvec3\n"
2875                 "%mnull     = OpConstantNull %fmat\n"
2876                 "%anull     = OpConstantNull %f32arr10\n"
2877                 "%snull     = OpConstantComposite %fst %fnull %fnull\n"
2878
2879                 "%main      = OpFunction %void None %voidf\n"
2880                 "%label     = OpLabel\n"
2881                 "%idval     = OpLoad %uvec3 %id\n"
2882                 "%x         = OpCompositeExtract %u32 %idval 0\n"
2883                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
2884                 "%inval     = OpLoad %f32 %inloc\n"
2885                 "%neg       = OpFNegate %f32 %inval\n"
2886
2887                 // Get the abs() of (a certain element of) those null values
2888                 "%unull_cov = OpConvertUToF %f32 %unull\n"
2889                 "%unull_abs = OpExtInst %f32 %std450 FAbs %unull_cov\n"
2890                 "%fnull_abs = OpExtInst %f32 %std450 FAbs %fnull\n"
2891                 "%vnull_0   = OpCompositeExtract %f32 %vnull 0\n"
2892                 "%vnull_abs = OpExtInst %f32 %std450 FAbs %vnull_0\n"
2893                 "%mnull_12  = OpCompositeExtract %f32 %mnull 1 2\n"
2894                 "%mnull_abs = OpExtInst %f32 %std450 FAbs %mnull_12\n"
2895                 "%anull_3   = OpCompositeExtract %f32 %anull 3\n"
2896                 "%anull_abs = OpExtInst %f32 %std450 FAbs %anull_3\n"
2897                 "%snull_1   = OpCompositeExtract %f32 %snull 1\n"
2898                 "%snull_abs = OpExtInst %f32 %std450 FAbs %snull_1\n"
2899
2900                 // Add them all
2901                 "%add1      = OpFAdd %f32 %neg  %unull_abs\n"
2902                 "%add2      = OpFAdd %f32 %add1 %fnull_abs\n"
2903                 "%add3      = OpFAdd %f32 %add2 %vnull_abs\n"
2904                 "%add4      = OpFAdd %f32 %add3 %mnull_abs\n"
2905                 "%add5      = OpFAdd %f32 %add4 %anull_abs\n"
2906                 "%final     = OpFAdd %f32 %add5 %snull_abs\n"
2907
2908                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
2909                 "             OpStore %outloc %final\n" // write to output
2910                 "             OpReturn\n"
2911                 "             OpFunctionEnd\n";
2912         spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
2913         spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
2914         spec.numWorkGroups = IVec3(numElements, 1, 1);
2915
2916         group->addChild(new SpvAsmComputeShaderCase(testCtx, "spotcheck", "Check that values constructed via OpConstantNull & OpConstantComposite can be used", spec));
2917
2918         return group.release();
2919 }
2920
2921 // Assembly code used for testing loop control is based on GLSL source code:
2922 // #version 430
2923 //
2924 // layout(std140, set = 0, binding = 0) readonly buffer Input {
2925 //   float elements[];
2926 // } input_data;
2927 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
2928 //   float elements[];
2929 // } output_data;
2930 //
2931 // void main() {
2932 //   uint x = gl_GlobalInvocationID.x;
2933 //   output_data.elements[x] = input_data.elements[x];
2934 //   for (uint i = 0; i < 4; ++i)
2935 //     output_data.elements[x] += 1.f;
2936 // }
2937 tcu::TestCaseGroup* createLoopControlGroup (tcu::TestContext& testCtx)
2938 {
2939         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "loop_control", "Tests loop control cases"));
2940         vector<CaseParameter>                   cases;
2941         de::Random                                              rnd                             (deStringHash(group->getName()));
2942         const int                                               numElements             = 100;
2943         vector<float>                                   inputFloats             (numElements, 0);
2944         vector<float>                                   outputFloats    (numElements, 0);
2945         const StringTemplate                    shaderTemplate  (
2946                 string(s_ShaderPreamble) +
2947
2948                 "OpSource GLSL 430\n"
2949                 "OpName %main \"main\"\n"
2950                 "OpName %id \"gl_GlobalInvocationID\"\n"
2951
2952                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
2953
2954                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
2955
2956                 "%u32ptr      = OpTypePointer Function %u32\n"
2957
2958                 "%id          = OpVariable %uvec3ptr Input\n"
2959                 "%zero        = OpConstant %i32 0\n"
2960                 "%uzero       = OpConstant %u32 0\n"
2961                 "%one         = OpConstant %i32 1\n"
2962                 "%constf1     = OpConstant %f32 1.0\n"
2963                 "%four        = OpConstant %u32 4\n"
2964
2965                 "%main        = OpFunction %void None %voidf\n"
2966                 "%entry       = OpLabel\n"
2967                 "%i           = OpVariable %u32ptr Function\n"
2968                 "               OpStore %i %uzero\n"
2969
2970                 "%idval       = OpLoad %uvec3 %id\n"
2971                 "%x           = OpCompositeExtract %u32 %idval 0\n"
2972                 "%inloc       = OpAccessChain %f32ptr %indata %zero %x\n"
2973                 "%inval       = OpLoad %f32 %inloc\n"
2974                 "%outloc      = OpAccessChain %f32ptr %outdata %zero %x\n"
2975                 "               OpStore %outloc %inval\n"
2976                 "               OpBranch %loop_entry\n"
2977
2978                 "%loop_entry  = OpLabel\n"
2979                 "%i_val       = OpLoad %u32 %i\n"
2980                 "%cmp_lt      = OpULessThan %bool %i_val %four\n"
2981                 "               OpLoopMerge %loop_merge %loop_entry ${CONTROL}\n"
2982                 "               OpBranchConditional %cmp_lt %loop_body %loop_merge\n"
2983                 "%loop_body   = OpLabel\n"
2984                 "%outval      = OpLoad %f32 %outloc\n"
2985                 "%addf1       = OpFAdd %f32 %outval %constf1\n"
2986                 "               OpStore %outloc %addf1\n"
2987                 "%new_i       = OpIAdd %u32 %i_val %one\n"
2988                 "               OpStore %i %new_i\n"
2989                 "               OpBranch %loop_entry\n"
2990                 "%loop_merge  = OpLabel\n"
2991                 "               OpReturn\n"
2992                 "               OpFunctionEnd\n");
2993
2994         cases.push_back(CaseParameter("none",                           "None"));
2995         cases.push_back(CaseParameter("unroll",                         "Unroll"));
2996         cases.push_back(CaseParameter("dont_unroll",            "DontUnroll"));
2997         cases.push_back(CaseParameter("unroll_dont_unroll",     "Unroll|DontUnroll"));
2998
2999         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3000
3001         for (size_t ndx = 0; ndx < numElements; ++ndx)
3002                 outputFloats[ndx] = inputFloats[ndx] + 4.f;
3003
3004         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3005         {
3006                 map<string, string>             specializations;
3007                 ComputeShaderSpec               spec;
3008
3009                 specializations["CONTROL"] = cases[caseNdx].param;
3010                 spec.assembly = shaderTemplate.specialize(specializations);
3011                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3012                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3013                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3014
3015                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3016         }
3017
3018         return group.release();
3019 }
3020
3021 // Assembly code used for testing selection control is based on GLSL source code:
3022 // #version 430
3023 //
3024 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3025 //   float elements[];
3026 // } input_data;
3027 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3028 //   float elements[];
3029 // } output_data;
3030 //
3031 // void main() {
3032 //   uint x = gl_GlobalInvocationID.x;
3033 //   float val = input_data.elements[x];
3034 //   if (val > 10.f)
3035 //     output_data.elements[x] = val + 1.f;
3036 //   else
3037 //     output_data.elements[x] = val - 1.f;
3038 // }
3039 tcu::TestCaseGroup* createSelectionControlGroup (tcu::TestContext& testCtx)
3040 {
3041         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "selection_control", "Tests selection control cases"));
3042         vector<CaseParameter>                   cases;
3043         de::Random                                              rnd                             (deStringHash(group->getName()));
3044         const int                                               numElements             = 100;
3045         vector<float>                                   inputFloats             (numElements, 0);
3046         vector<float>                                   outputFloats    (numElements, 0);
3047         const StringTemplate                    shaderTemplate  (
3048                 string(s_ShaderPreamble) +
3049
3050                 "OpSource GLSL 430\n"
3051                 "OpName %main \"main\"\n"
3052                 "OpName %id \"gl_GlobalInvocationID\"\n"
3053
3054                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3055
3056                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
3057
3058                 "%id       = OpVariable %uvec3ptr Input\n"
3059                 "%zero     = OpConstant %i32 0\n"
3060                 "%constf1  = OpConstant %f32 1.0\n"
3061                 "%constf10 = OpConstant %f32 10.0\n"
3062
3063                 "%main     = OpFunction %void None %voidf\n"
3064                 "%entry    = OpLabel\n"
3065                 "%idval    = OpLoad %uvec3 %id\n"
3066                 "%x        = OpCompositeExtract %u32 %idval 0\n"
3067                 "%inloc    = OpAccessChain %f32ptr %indata %zero %x\n"
3068                 "%inval    = OpLoad %f32 %inloc\n"
3069                 "%outloc   = OpAccessChain %f32ptr %outdata %zero %x\n"
3070                 "%cmp_gt   = OpFOrdGreaterThan %bool %inval %constf10\n"
3071
3072                 "            OpSelectionMerge %if_end ${CONTROL}\n"
3073                 "            OpBranchConditional %cmp_gt %if_true %if_false\n"
3074                 "%if_true  = OpLabel\n"
3075                 "%addf1    = OpFAdd %f32 %inval %constf1\n"
3076                 "            OpStore %outloc %addf1\n"
3077                 "            OpBranch %if_end\n"
3078                 "%if_false = OpLabel\n"
3079                 "%subf1    = OpFSub %f32 %inval %constf1\n"
3080                 "            OpStore %outloc %subf1\n"
3081                 "            OpBranch %if_end\n"
3082                 "%if_end   = OpLabel\n"
3083                 "            OpReturn\n"
3084                 "            OpFunctionEnd\n");
3085
3086         cases.push_back(CaseParameter("none",                                   "None"));
3087         cases.push_back(CaseParameter("flatten",                                "Flatten"));
3088         cases.push_back(CaseParameter("dont_flatten",                   "DontFlatten"));
3089         cases.push_back(CaseParameter("flatten_dont_flatten",   "DontFlatten|Flatten"));
3090
3091         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3092
3093         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3094         floorAll(inputFloats);
3095
3096         for (size_t ndx = 0; ndx < numElements; ++ndx)
3097                 outputFloats[ndx] = inputFloats[ndx] + (inputFloats[ndx] > 10.f ? 1.f : -1.f);
3098
3099         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3100         {
3101                 map<string, string>             specializations;
3102                 ComputeShaderSpec               spec;
3103
3104                 specializations["CONTROL"] = cases[caseNdx].param;
3105                 spec.assembly = shaderTemplate.specialize(specializations);
3106                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3107                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3108                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3109
3110                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3111         }
3112
3113         return group.release();
3114 }
3115
3116 // Assembly code used for testing function control is based on GLSL source code:
3117 //
3118 // #version 430
3119 //
3120 // layout(std140, set = 0, binding = 0) readonly buffer Input {
3121 //   float elements[];
3122 // } input_data;
3123 // layout(std140, set = 0, binding = 1) writeonly buffer Output {
3124 //   float elements[];
3125 // } output_data;
3126 //
3127 // float const10() { return 10.f; }
3128 //
3129 // void main() {
3130 //   uint x = gl_GlobalInvocationID.x;
3131 //   output_data.elements[x] = input_data.elements[x] + const10();
3132 // }
3133 tcu::TestCaseGroup* createFunctionControlGroup (tcu::TestContext& testCtx)
3134 {
3135         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "function_control", "Tests function control cases"));
3136         vector<CaseParameter>                   cases;
3137         de::Random                                              rnd                             (deStringHash(group->getName()));
3138         const int                                               numElements             = 100;
3139         vector<float>                                   inputFloats             (numElements, 0);
3140         vector<float>                                   outputFloats    (numElements, 0);
3141         const StringTemplate                    shaderTemplate  (
3142                 string(s_ShaderPreamble) +
3143
3144                 "OpSource GLSL 430\n"
3145                 "OpName %main \"main\"\n"
3146                 "OpName %func_const10 \"const10(\"\n"
3147                 "OpName %id \"gl_GlobalInvocationID\"\n"
3148
3149                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3150
3151                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
3152
3153                 "%f32f = OpTypeFunction %f32\n"
3154                 "%id = OpVariable %uvec3ptr Input\n"
3155                 "%zero = OpConstant %i32 0\n"
3156                 "%constf10 = OpConstant %f32 10.0\n"
3157
3158                 "%main         = OpFunction %void None %voidf\n"
3159                 "%entry        = OpLabel\n"
3160                 "%idval        = OpLoad %uvec3 %id\n"
3161                 "%x            = OpCompositeExtract %u32 %idval 0\n"
3162                 "%inloc        = OpAccessChain %f32ptr %indata %zero %x\n"
3163                 "%inval        = OpLoad %f32 %inloc\n"
3164                 "%ret_10       = OpFunctionCall %f32 %func_const10\n"
3165                 "%fadd         = OpFAdd %f32 %inval %ret_10\n"
3166                 "%outloc       = OpAccessChain %f32ptr %outdata %zero %x\n"
3167                 "                OpStore %outloc %fadd\n"
3168                 "                OpReturn\n"
3169                 "                OpFunctionEnd\n"
3170
3171                 "%func_const10 = OpFunction %f32 ${CONTROL} %f32f\n"
3172                 "%label        = OpLabel\n"
3173                 "                OpReturnValue %constf10\n"
3174                 "                OpFunctionEnd\n");
3175
3176         cases.push_back(CaseParameter("none",                                           "None"));
3177         cases.push_back(CaseParameter("inline",                                         "Inline"));
3178         cases.push_back(CaseParameter("dont_inline",                            "DontInline"));
3179         cases.push_back(CaseParameter("pure",                                           "Pure"));
3180         cases.push_back(CaseParameter("const",                                          "Const"));
3181         cases.push_back(CaseParameter("inline_pure",                            "Inline|Pure"));
3182         cases.push_back(CaseParameter("const_dont_inline",                      "Const|DontInline"));
3183         cases.push_back(CaseParameter("inline_dont_inline",                     "Inline|DontInline"));
3184         cases.push_back(CaseParameter("pure_inline_dont_inline",        "Pure|Inline|DontInline"));
3185
3186         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3187
3188         // CPU might not use the same rounding mode as the GPU. Use whole numbers to avoid rounding differences.
3189         floorAll(inputFloats);
3190
3191         for (size_t ndx = 0; ndx < numElements; ++ndx)
3192                 outputFloats[ndx] = inputFloats[ndx] + 10.f;
3193
3194         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3195         {
3196                 map<string, string>             specializations;
3197                 ComputeShaderSpec               spec;
3198
3199                 specializations["CONTROL"] = cases[caseNdx].param;
3200                 spec.assembly = shaderTemplate.specialize(specializations);
3201                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3202                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3203                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3204
3205                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3206         }
3207
3208         return group.release();
3209 }
3210
3211 tcu::TestCaseGroup* createMemoryAccessGroup (tcu::TestContext& testCtx)
3212 {
3213         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "memory_access", "Tests memory access cases"));
3214         vector<CaseParameter>                   cases;
3215         de::Random                                              rnd                             (deStringHash(group->getName()));
3216         const int                                               numElements             = 100;
3217         vector<float>                                   inputFloats             (numElements, 0);
3218         vector<float>                                   outputFloats    (numElements, 0);
3219         const StringTemplate                    shaderTemplate  (
3220                 string(s_ShaderPreamble) +
3221
3222                 "OpSource GLSL 430\n"
3223                 "OpName %main           \"main\"\n"
3224                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3225
3226                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3227
3228                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
3229
3230                 "%f32ptr_f  = OpTypePointer Function %f32\n"
3231
3232                 "%id        = OpVariable %uvec3ptr Input\n"
3233                 "%zero      = OpConstant %i32 0\n"
3234                 "%four      = OpConstant %i32 4\n"
3235
3236                 "%main      = OpFunction %void None %voidf\n"
3237                 "%label     = OpLabel\n"
3238                 "%copy      = OpVariable %f32ptr_f Function\n"
3239                 "%idval     = OpLoad %uvec3 %id ${ACCESS}\n"
3240                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3241                 "%inloc     = OpAccessChain %f32ptr %indata  %zero %x\n"
3242                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3243                 "             OpCopyMemory %copy %inloc ${ACCESS}\n"
3244                 "%val1      = OpLoad %f32 %copy\n"
3245                 "%val2      = OpLoad %f32 %inloc\n"
3246                 "%add       = OpFAdd %f32 %val1 %val2\n"
3247                 "             OpStore %outloc %add ${ACCESS}\n"
3248                 "             OpReturn\n"
3249                 "             OpFunctionEnd\n");
3250
3251         cases.push_back(CaseParameter("null",                                   ""));
3252         cases.push_back(CaseParameter("none",                                   "None"));
3253         cases.push_back(CaseParameter("volatile",                               "Volatile"));
3254         cases.push_back(CaseParameter("aligned",                                "Aligned 4"));
3255         cases.push_back(CaseParameter("nontemporal",                    "Nontemporal"));
3256         cases.push_back(CaseParameter("aligned_nontemporal",    "Aligned|Nontemporal 4"));
3257         cases.push_back(CaseParameter("aligned_volatile",               "Volatile|Aligned 4"));
3258
3259         fillRandomScalars(rnd, -100.f, 100.f, &inputFloats[0], numElements);
3260
3261         for (size_t ndx = 0; ndx < numElements; ++ndx)
3262                 outputFloats[ndx] = inputFloats[ndx] + inputFloats[ndx];
3263
3264         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3265         {
3266                 map<string, string>             specializations;
3267                 ComputeShaderSpec               spec;
3268
3269                 specializations["ACCESS"] = cases[caseNdx].param;
3270                 spec.assembly = shaderTemplate.specialize(specializations);
3271                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputFloats)));
3272                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputFloats)));
3273                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3274
3275                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3276         }
3277
3278         return group.release();
3279 }
3280
3281 // Checks that we can get undefined values for various types, without exercising a computation with it.
3282 tcu::TestCaseGroup* createOpUndefGroup (tcu::TestContext& testCtx)
3283 {
3284         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "opundef", "Tests the OpUndef instruction"));
3285         vector<CaseParameter>                   cases;
3286         de::Random                                              rnd                             (deStringHash(group->getName()));
3287         const int                                               numElements             = 100;
3288         vector<float>                                   positiveFloats  (numElements, 0);
3289         vector<float>                                   negativeFloats  (numElements, 0);
3290         const StringTemplate                    shaderTemplate  (
3291                 string(s_ShaderPreamble) +
3292
3293                 "OpSource GLSL 430\n"
3294                 "OpName %main           \"main\"\n"
3295                 "OpName %id             \"gl_GlobalInvocationID\"\n"
3296
3297                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
3298
3299                 + string(s_InputOutputBufferTraits) + string(s_CommonTypes) + string(s_InputOutputBuffer) +
3300
3301                 "${TYPE}\n"
3302
3303                 "%id        = OpVariable %uvec3ptr Input\n"
3304                 "%zero      = OpConstant %i32 0\n"
3305
3306                 "%main      = OpFunction %void None %voidf\n"
3307                 "%label     = OpLabel\n"
3308
3309                 "%undef     = OpUndef %type\n"
3310
3311                 "%idval     = OpLoad %uvec3 %id\n"
3312                 "%x         = OpCompositeExtract %u32 %idval 0\n"
3313
3314                 "%inloc     = OpAccessChain %f32ptr %indata %zero %x\n"
3315                 "%inval     = OpLoad %f32 %inloc\n"
3316                 "%neg       = OpFNegate %f32 %inval\n"
3317                 "%outloc    = OpAccessChain %f32ptr %outdata %zero %x\n"
3318                 "             OpStore %outloc %neg\n"
3319                 "             OpReturn\n"
3320                 "             OpFunctionEnd\n");
3321
3322         cases.push_back(CaseParameter("bool",                   "%type = OpTypeBool"));
3323         cases.push_back(CaseParameter("sint32",                 "%type = OpTypeInt 32 1"));
3324         cases.push_back(CaseParameter("uint32",                 "%type = OpTypeInt 32 0"));
3325         cases.push_back(CaseParameter("float32",                "%type = OpTypeFloat 32"));
3326         cases.push_back(CaseParameter("vec4float32",    "%type = OpTypeVector %f32 4"));
3327         cases.push_back(CaseParameter("vec2uint32",             "%type = OpTypeVector %u32 2"));
3328         cases.push_back(CaseParameter("matrix",                 "%type = OpTypeMatrix %fvec3 3"));
3329         cases.push_back(CaseParameter("image",                  "%type = OpTypeImage %f32 2D 0 0 0 1 Unknown"));
3330         cases.push_back(CaseParameter("sampler",                "%type = OpTypeSampler"));
3331         cases.push_back(CaseParameter("sampledimage",   "%img = OpTypeImage %f32 2D 0 0 0 1 Unknown\n"
3332                                                                                                         "%type = OpTypeSampledImage %img"));
3333         cases.push_back(CaseParameter("array",                  "%100 = OpConstant %u32 100\n"
3334                                                                                                         "%type = OpTypeArray %i32 %100"));
3335         cases.push_back(CaseParameter("runtimearray",   "%type = OpTypeRuntimeArray %f32"));
3336         cases.push_back(CaseParameter("struct",                 "%type = OpTypeStruct %f32 %i32 %u32"));
3337         cases.push_back(CaseParameter("pointer",                "%type = OpTypePointer Function %i32"));
3338
3339         fillRandomScalars(rnd, 1.f, 100.f, &positiveFloats[0], numElements);
3340
3341         for (size_t ndx = 0; ndx < numElements; ++ndx)
3342                 negativeFloats[ndx] = -positiveFloats[ndx];
3343
3344         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
3345         {
3346                 map<string, string>             specializations;
3347                 ComputeShaderSpec               spec;
3348
3349                 specializations["TYPE"] = cases[caseNdx].param;
3350                 spec.assembly = shaderTemplate.specialize(specializations);
3351                 spec.inputs.push_back(BufferSp(new Float32Buffer(positiveFloats)));
3352                 spec.outputs.push_back(BufferSp(new Float32Buffer(negativeFloats)));
3353                 spec.numWorkGroups = IVec3(numElements, 1, 1);
3354
3355                 group->addChild(new SpvAsmComputeShaderCase(testCtx, cases[caseNdx].name, cases[caseNdx].name, spec));
3356         }
3357
3358                 return group.release();
3359 }
3360 typedef std::pair<std::string, VkShaderStageFlagBits>   EntryToStage;
3361 typedef map<string, vector<EntryToStage> >                              ModuleMap;
3362 typedef map<VkShaderStageFlagBits, vector<deInt32> >    StageToSpecConstantMap;
3363
3364 // Context for a specific test instantiation. For example, an instantiation
3365 // may test colors yellow/magenta/cyan/mauve in a tesselation shader
3366 // with an entry point named 'main_to_the_main'
3367 struct InstanceContext
3368 {
3369         // Map of modules to what entry_points we care to use from those modules.
3370         ModuleMap                               moduleMap;
3371         RGBA                                    inputColors[4];
3372         RGBA                                    outputColors[4];
3373         // Concrete SPIR-V code to test via boilerplate specialization.
3374         map<string, string>             testCodeFragments;
3375         StageToSpecConstantMap  specConstants;
3376         bool                                    hasTessellation;
3377         VkShaderStageFlagBits   requiredStages;
3378
3379         InstanceContext (const RGBA (&inputs)[4], const RGBA (&outputs)[4], const map<string, string>& testCodeFragments_, const StageToSpecConstantMap& specConstants_)
3380                 : testCodeFragments             (testCodeFragments_)
3381                 , specConstants                 (specConstants_)
3382                 , hasTessellation               (false)
3383                 , requiredStages                (static_cast<VkShaderStageFlagBits>(0))
3384         {
3385                 inputColors[0]          = inputs[0];
3386                 inputColors[1]          = inputs[1];
3387                 inputColors[2]          = inputs[2];
3388                 inputColors[3]          = inputs[3];
3389
3390                 outputColors[0]         = outputs[0];
3391                 outputColors[1]         = outputs[1];
3392                 outputColors[2]         = outputs[2];
3393                 outputColors[3]         = outputs[3];
3394         }
3395
3396         InstanceContext (const InstanceContext& other)
3397                 : moduleMap                     (other.moduleMap)
3398                 , testCodeFragments     (other.testCodeFragments)
3399                 , specConstants         (other.specConstants)
3400                 , hasTessellation       (other.hasTessellation)
3401                 , requiredStages    (other.requiredStages)
3402         {
3403                 inputColors[0]          = other.inputColors[0];
3404                 inputColors[1]          = other.inputColors[1];
3405                 inputColors[2]          = other.inputColors[2];
3406                 inputColors[3]          = other.inputColors[3];
3407
3408                 outputColors[0]         = other.outputColors[0];
3409                 outputColors[1]         = other.outputColors[1];
3410                 outputColors[2]         = other.outputColors[2];
3411                 outputColors[3]         = other.outputColors[3];
3412         }
3413 };
3414
3415 // A description of a shader to be used for a single stage of the graphics pipeline.
3416 struct ShaderElement
3417 {
3418         // The module that contains this shader entrypoint.
3419         string                                  moduleName;
3420
3421         // The name of the entrypoint.
3422         string                                  entryName;
3423
3424         // Which shader stage this entry point represents.
3425         VkShaderStageFlagBits   stage;
3426
3427         ShaderElement (const string& moduleName_, const string& entryPoint_, VkShaderStageFlagBits shaderStage_)
3428                 : moduleName(moduleName_)
3429                 , entryName(entryPoint_)
3430                 , stage(shaderStage_)
3431         {
3432         }
3433 };
3434
3435 void getDefaultColors (RGBA (&colors)[4])
3436 {
3437         colors[0] = RGBA::white();
3438         colors[1] = RGBA::red();
3439         colors[2] = RGBA::green();
3440         colors[3] = RGBA::blue();
3441 }
3442
3443 void getHalfColorsFullAlpha (RGBA (&colors)[4])
3444 {
3445         colors[0] = RGBA(127, 127, 127, 255);
3446         colors[1] = RGBA(127, 0,   0,   255);
3447         colors[2] = RGBA(0,       127, 0,       255);
3448         colors[3] = RGBA(0,       0,   127, 255);
3449 }
3450
3451 void getInvertedDefaultColors (RGBA (&colors)[4])
3452 {
3453         colors[0] = RGBA(0,             0,              0,              255);
3454         colors[1] = RGBA(0,             255,    255,    255);
3455         colors[2] = RGBA(255,   0,              255,    255);
3456         colors[3] = RGBA(255,   255,    0,              255);
3457 }
3458
3459 // Turns a statically sized array of ShaderElements into an instance-context
3460 // by setting up the mapping of modules to their contained shaders and stages.
3461 // The inputs and expected outputs are given by inputColors and outputColors
3462 template<size_t N>
3463 InstanceContext createInstanceContext (const ShaderElement (&elements)[N], const RGBA (&inputColors)[4], const RGBA (&outputColors)[4], const map<string, string>& testCodeFragments, const StageToSpecConstantMap& specConstants)
3464 {
3465         InstanceContext ctx (inputColors, outputColors, testCodeFragments, specConstants);
3466         for (size_t i = 0; i < N; ++i)
3467         {
3468                 ctx.moduleMap[elements[i].moduleName].push_back(std::make_pair(elements[i].entryName, elements[i].stage));
3469                 ctx.requiredStages = static_cast<VkShaderStageFlagBits>(ctx.requiredStages | elements[i].stage);
3470         }
3471         return ctx;
3472 }
3473
3474 template<size_t N>
3475 inline InstanceContext createInstanceContext (const ShaderElement (&elements)[N], RGBA (&inputColors)[4], const RGBA (&outputColors)[4], const map<string, string>& testCodeFragments)
3476 {
3477         return createInstanceContext(elements, inputColors, outputColors, testCodeFragments, StageToSpecConstantMap());
3478 }
3479
3480 // The same as createInstanceContext above, but with default colors.
3481 template<size_t N>
3482 InstanceContext createInstanceContext (const ShaderElement (&elements)[N], const map<string, string>& testCodeFragments)
3483 {
3484         RGBA defaultColors[4];
3485         getDefaultColors(defaultColors);
3486         return createInstanceContext(elements, defaultColors, defaultColors, testCodeFragments);
3487 }
3488
3489 // For the current InstanceContext, constructs the required modules and shader stage create infos.
3490 void createPipelineShaderStages (const DeviceInterface& vk, const VkDevice vkDevice, InstanceContext& instance, Context& context, vector<ModuleHandleSp>& modules, vector<VkPipelineShaderStageCreateInfo>& createInfos)
3491 {
3492         for (ModuleMap::const_iterator moduleNdx = instance.moduleMap.begin(); moduleNdx != instance.moduleMap.end(); ++moduleNdx)
3493         {
3494                 const ModuleHandleSp mod(new Unique<VkShaderModule>(createShaderModule(vk, vkDevice, context.getBinaryCollection().get(moduleNdx->first), 0)));
3495                 modules.push_back(ModuleHandleSp(mod));
3496                 for (vector<EntryToStage>::const_iterator shaderNdx = moduleNdx->second.begin(); shaderNdx != moduleNdx->second.end(); ++shaderNdx)
3497                 {
3498                         const EntryToStage&                                             stage                   = *shaderNdx;
3499                         const VkPipelineShaderStageCreateInfo   shaderParam             =
3500                         {
3501                                 VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    //      VkStructureType                 sType;
3502                                 DE_NULL,                                                                                                //      const void*                             pNext;
3503                                 (VkPipelineShaderStageCreateFlags)0,
3504                                 stage.second,                                                                                   //      VkShaderStageFlagBits   stage;
3505                                 **modules.back(),                                                                               //      VkShaderModule                  module;
3506                                 stage.first.c_str(),                                                                    //      const char*                             pName;
3507                                 (const VkSpecializationInfo*)DE_NULL,
3508                         };
3509                         createInfos.push_back(shaderParam);
3510                 }
3511         }
3512 }
3513
3514 #define SPIRV_ASSEMBLY_TYPES                                                                                                                                    \
3515         "%void = OpTypeVoid\n"                                                                                                                                          \
3516         "%bool = OpTypeBool\n"                                                                                                                                          \
3517                                                                                                                                                                                                 \
3518         "%i32 = OpTypeInt 32 1\n"                                                                                                                                       \
3519         "%u32 = OpTypeInt 32 0\n"                                                                                                                                       \
3520                                                                                                                                                                                                 \
3521         "%f32 = OpTypeFloat 32\n"                                                                                                                                       \
3522         "%v3f32 = OpTypeVector %f32 3\n"                                                                                                                        \
3523         "%v4f32 = OpTypeVector %f32 4\n"                                                                                                                        \
3524         "%v4bool = OpTypeVector %bool 4\n"                                                                                                                      \
3525                                                                                                                                                                                                 \
3526         "%v4f32_function = OpTypeFunction %v4f32 %v4f32\n"                                                                                      \
3527         "%fun = OpTypeFunction %void\n"                                                                                                                         \
3528                                                                                                                                                                                                 \
3529         "%ip_f32 = OpTypePointer Input %f32\n"                                                                                                          \
3530         "%ip_i32 = OpTypePointer Input %i32\n"                                                                                                          \
3531         "%ip_v3f32 = OpTypePointer Input %v3f32\n"                                                                                                      \
3532         "%ip_v4f32 = OpTypePointer Input %v4f32\n"                                                                                                      \
3533                                                                                                                                                                                                 \
3534         "%op_f32 = OpTypePointer Output %f32\n"                                                                                                         \
3535         "%op_v4f32 = OpTypePointer Output %v4f32\n"                                                                                                     \
3536                                                                                                                                                                                                 \
3537         "%fp_f32   = OpTypePointer Function %f32\n"                                                                                                     \
3538         "%fp_i32   = OpTypePointer Function %i32\n"                                                                                                     \
3539         "%fp_v4f32 = OpTypePointer Function %v4f32\n"
3540
3541 #define SPIRV_ASSEMBLY_CONSTANTS                                                                                                                                \
3542         "%c_f32_1 = OpConstant %f32 1.0\n"                                                                                                                      \
3543         "%c_f32_0 = OpConstant %f32 0.0\n"                                                                                                                      \
3544         "%c_f32_0_5 = OpConstant %f32 0.5\n"                                                                                                            \
3545         "%c_f32_n1  = OpConstant %f32 -1.\n"                                                                                                            \
3546         "%c_f32_7 = OpConstant %f32 7.0\n"                                                                                                                      \
3547         "%c_f32_8 = OpConstant %f32 8.0\n"                                                                                                                      \
3548         "%c_i32_0 = OpConstant %i32 0\n"                                                                                                                        \
3549         "%c_i32_1 = OpConstant %i32 1\n"                                                                                                                        \
3550         "%c_i32_2 = OpConstant %i32 2\n"                                                                                                                        \
3551         "%c_i32_3 = OpConstant %i32 3\n"                                                                                                                        \
3552         "%c_i32_4 = OpConstant %i32 4\n"                                                                                                                        \
3553         "%c_u32_0 = OpConstant %u32 0\n"                                                                                                                        \
3554         "%c_u32_1 = OpConstant %u32 1\n"                                                                                                                        \
3555         "%c_u32_2 = OpConstant %u32 2\n"                                                                                                                        \
3556         "%c_u32_3 = OpConstant %u32 3\n"                                                                                                                        \
3557         "%c_u32_32 = OpConstant %u32 32\n"                                                                                                                      \
3558         "%c_u32_4 = OpConstant %u32 4\n"                                                                                                                        \
3559         "%c_u32_31_bits = OpConstant %u32 0x7FFFFFFF\n"                                                                                         \
3560         "%c_v4f32_1_1_1_1 = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"           \
3561         "%c_v4f32_1_0_0_1 = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_1\n"           \
3562         "%c_v4f32_0_5_0_5_0_5_0_5 = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5\n"
3563
3564 #define SPIRV_ASSEMBLY_ARRAYS                                                                                                                                   \
3565         "%a1f32 = OpTypeArray %f32 %c_u32_1\n"                                                                                                          \
3566         "%a2f32 = OpTypeArray %f32 %c_u32_2\n"                                                                                                          \
3567         "%a3v4f32 = OpTypeArray %v4f32 %c_u32_3\n"                                                                                                      \
3568         "%a4f32 = OpTypeArray %f32 %c_u32_4\n"                                                                                                          \
3569         "%a32v4f32 = OpTypeArray %v4f32 %c_u32_32\n"                                                                                            \
3570         "%ip_a3v4f32 = OpTypePointer Input %a3v4f32\n"                                                                                          \
3571         "%ip_a32v4f32 = OpTypePointer Input %a32v4f32\n"                                                                                        \
3572         "%op_a2f32 = OpTypePointer Output %a2f32\n"                                                                                                     \
3573         "%op_a3v4f32 = OpTypePointer Output %a3v4f32\n"                                                                                         \
3574         "%op_a4f32 = OpTypePointer Output %a4f32\n"
3575
3576 // Creates vertex-shader assembly by specializing a boilerplate StringTemplate
3577 // on fragments, which must (at least) map "testfun" to an OpFunction definition
3578 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
3579 // with "BP_" to avoid collisions with fragments.
3580 //
3581 // It corresponds roughly to this GLSL:
3582 //;
3583 // layout(location = 0) in vec4 position;
3584 // layout(location = 1) in vec4 color;
3585 // layout(location = 1) out highp vec4 vtxColor;
3586 // void main (void) { gl_Position = position; vtxColor = test_func(color); }
3587 string makeVertexShaderAssembly(const map<string, string>& fragments)
3588 {
3589 // \todo [2015-11-23 awoloszyn] Remove OpName once these have stabalized
3590         static const char vertexShaderBoilerplate[] =
3591                 "OpCapability Shader\n"
3592                 "OpCapability ClipDistance\n"
3593                 "OpCapability CullDistance\n"
3594                 "OpMemoryModel Logical GLSL450\n"
3595                 "OpEntryPoint Vertex %main \"main\" %BP_stream %BP_position %BP_vtx_color %BP_color %BP_gl_VertexIndex %BP_gl_InstanceIndex\n"
3596                 "${debug:opt}\n"
3597                 "OpName %main \"main\"\n"
3598                 "OpName %BP_gl_PerVertex \"gl_PerVertex\"\n"
3599                 "OpMemberName %BP_gl_PerVertex 0 \"gl_Position\"\n"
3600                 "OpMemberName %BP_gl_PerVertex 1 \"gl_PointSize\"\n"
3601                 "OpMemberName %BP_gl_PerVertex 2 \"gl_ClipDistance\"\n"
3602                 "OpMemberName %BP_gl_PerVertex 3 \"gl_CullDistance\"\n"
3603                 "OpName %test_code \"testfun(vf4;\"\n"
3604                 "OpName %BP_stream \"\"\n"
3605                 "OpName %BP_position \"position\"\n"
3606                 "OpName %BP_vtx_color \"vtxColor\"\n"
3607                 "OpName %BP_color \"color\"\n"
3608                 "OpName %BP_gl_VertexIndex \"gl_VertexIndex\"\n"
3609                 "OpName %BP_gl_InstanceIndex \"gl_InstanceIndex\"\n"
3610                 "OpMemberDecorate %BP_gl_PerVertex 0 BuiltIn Position\n"
3611                 "OpMemberDecorate %BP_gl_PerVertex 1 BuiltIn PointSize\n"
3612                 "OpMemberDecorate %BP_gl_PerVertex 2 BuiltIn ClipDistance\n"
3613                 "OpMemberDecorate %BP_gl_PerVertex 3 BuiltIn CullDistance\n"
3614                 "OpDecorate %BP_gl_PerVertex Block\n"
3615                 "OpDecorate %BP_position Location 0\n"
3616                 "OpDecorate %BP_vtx_color Location 1\n"
3617                 "OpDecorate %BP_color Location 1\n"
3618                 "OpDecorate %BP_gl_VertexIndex BuiltIn VertexIndex\n"
3619                 "OpDecorate %BP_gl_InstanceIndex BuiltIn InstanceIndex\n"
3620                 "${decoration:opt}\n"
3621                 SPIRV_ASSEMBLY_TYPES
3622                 SPIRV_ASSEMBLY_CONSTANTS
3623                 SPIRV_ASSEMBLY_ARRAYS
3624                 "%BP_gl_PerVertex = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3625                 "%BP_op_gl_PerVertex = OpTypePointer Output %BP_gl_PerVertex\n"
3626                 "%BP_stream = OpVariable %BP_op_gl_PerVertex Output\n"
3627                 "%BP_position = OpVariable %ip_v4f32 Input\n"
3628                 "%BP_vtx_color = OpVariable %op_v4f32 Output\n"
3629                 "%BP_color = OpVariable %ip_v4f32 Input\n"
3630                 "%BP_gl_VertexIndex = OpVariable %ip_i32 Input\n"
3631                 "%BP_gl_InstanceIndex = OpVariable %ip_i32 Input\n"
3632                 "${pre_main:opt}\n"
3633                 "%main = OpFunction %void None %fun\n"
3634                 "%BP_label = OpLabel\n"
3635                 "%BP_pos = OpLoad %v4f32 %BP_position\n"
3636                 "%BP_gl_pos = OpAccessChain %op_v4f32 %BP_stream %c_i32_0\n"
3637                 "OpStore %BP_gl_pos %BP_pos\n"
3638                 "%BP_col = OpLoad %v4f32 %BP_color\n"
3639                 "%BP_col_transformed = OpFunctionCall %v4f32 %test_code %BP_col\n"
3640                 "OpStore %BP_vtx_color %BP_col_transformed\n"
3641                 "OpReturn\n"
3642                 "OpFunctionEnd\n"
3643                 "${testfun}\n";
3644         return tcu::StringTemplate(vertexShaderBoilerplate).specialize(fragments);
3645 }
3646
3647 // Creates tess-control-shader assembly by specializing a boilerplate
3648 // StringTemplate on fragments, which must (at least) map "testfun" to an
3649 // OpFunction definition for %test_code that takes and returns a %v4f32.
3650 // Boilerplate IDs are prefixed with "BP_" to avoid collisions with fragments.
3651 //
3652 // It roughly corresponds to the following GLSL.
3653 //
3654 // #version 450
3655 // layout(vertices = 3) out;
3656 // layout(location = 1) in vec4 in_color[];
3657 // layout(location = 1) out vec4 out_color[];
3658 //
3659 // void main() {
3660 //   out_color[gl_InvocationID] = testfun(in_color[gl_InvocationID]);
3661 //   gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;
3662 //   if (gl_InvocationID == 0) {
3663 //     gl_TessLevelOuter[0] = 1.0;
3664 //     gl_TessLevelOuter[1] = 1.0;
3665 //     gl_TessLevelOuter[2] = 1.0;
3666 //     gl_TessLevelInner[0] = 1.0;
3667 //   }
3668 // }
3669 string makeTessControlShaderAssembly (const map<string, string>& fragments)
3670 {
3671         static const char tessControlShaderBoilerplate[] =
3672                 "OpCapability Tessellation\n"
3673                 "OpCapability ClipDistance\n"
3674                 "OpCapability CullDistance\n"
3675                 "OpMemoryModel Logical GLSL450\n"
3676                 "OpEntryPoint TessellationControl %BP_main \"main\" %BP_out_color %BP_gl_InvocationID %BP_in_color %BP_gl_out %BP_gl_in %BP_gl_TessLevelOuter %BP_gl_TessLevelInner\n"
3677                 "OpExecutionMode %BP_main OutputVertices 3\n"
3678                 "${debug:opt}\n"
3679                 "OpName %BP_main \"main\"\n"
3680                 "OpName %test_code \"testfun(vf4;\"\n"
3681                 "OpName %BP_out_color \"out_color\"\n"
3682                 "OpName %BP_gl_InvocationID \"gl_InvocationID\"\n"
3683                 "OpName %BP_in_color \"in_color\"\n"
3684                 "OpName %BP_gl_PerVertex \"gl_PerVertex\"\n"
3685                 "OpMemberName %BP_gl_PerVertex 0 \"gl_Position\"\n"
3686                 "OpMemberName %BP_gl_PerVertex 1 \"gl_PointSize\"\n"
3687                 "OpMemberName %BP_gl_PerVertex 2 \"gl_ClipDistance\"\n"
3688                 "OpMemberName %BP_gl_PerVertex 3 \"gl_CullDistance\"\n"
3689                 "OpName %BP_gl_out \"gl_out\"\n"
3690                 "OpName %BP_gl_PVOut \"gl_PerVertex\"\n"
3691                 "OpMemberName %BP_gl_PVOut 0 \"gl_Position\"\n"
3692                 "OpMemberName %BP_gl_PVOut 1 \"gl_PointSize\"\n"
3693                 "OpMemberName %BP_gl_PVOut 2 \"gl_ClipDistance\"\n"
3694                 "OpMemberName %BP_gl_PVOut 3 \"gl_CullDistance\"\n"
3695                 "OpName %BP_gl_in \"gl_in\"\n"
3696                 "OpName %BP_gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
3697                 "OpName %BP_gl_TessLevelInner \"gl_TessLevelInner\"\n"
3698                 "OpDecorate %BP_out_color Location 1\n"
3699                 "OpDecorate %BP_gl_InvocationID BuiltIn InvocationId\n"
3700                 "OpDecorate %BP_in_color Location 1\n"
3701                 "OpMemberDecorate %BP_gl_PerVertex 0 BuiltIn Position\n"
3702                 "OpMemberDecorate %BP_gl_PerVertex 1 BuiltIn PointSize\n"
3703                 "OpMemberDecorate %BP_gl_PerVertex 2 BuiltIn ClipDistance\n"
3704                 "OpMemberDecorate %BP_gl_PerVertex 3 BuiltIn CullDistance\n"
3705                 "OpDecorate %BP_gl_PerVertex Block\n"
3706                 "OpMemberDecorate %BP_gl_PVOut 0 BuiltIn Position\n"
3707                 "OpMemberDecorate %BP_gl_PVOut 1 BuiltIn PointSize\n"
3708                 "OpMemberDecorate %BP_gl_PVOut 2 BuiltIn ClipDistance\n"
3709                 "OpMemberDecorate %BP_gl_PVOut 3 BuiltIn CullDistance\n"
3710                 "OpDecorate %BP_gl_PVOut Block\n"
3711                 "OpDecorate %BP_gl_TessLevelOuter Patch\n"
3712                 "OpDecorate %BP_gl_TessLevelOuter BuiltIn TessLevelOuter\n"
3713                 "OpDecorate %BP_gl_TessLevelInner Patch\n"
3714                 "OpDecorate %BP_gl_TessLevelInner BuiltIn TessLevelInner\n"
3715                 "${decoration:opt}\n"
3716                 SPIRV_ASSEMBLY_TYPES
3717                 SPIRV_ASSEMBLY_CONSTANTS
3718                 SPIRV_ASSEMBLY_ARRAYS
3719                 "%BP_out_color = OpVariable %op_a3v4f32 Output\n"
3720                 "%BP_gl_InvocationID = OpVariable %ip_i32 Input\n"
3721                 "%BP_in_color = OpVariable %ip_a32v4f32 Input\n"
3722                 "%BP_gl_PerVertex = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3723                 "%BP_a3_gl_PerVertex = OpTypeArray %BP_gl_PerVertex %c_u32_3\n"
3724                 "%BP_op_a3_gl_PerVertex = OpTypePointer Output %BP_a3_gl_PerVertex\n"
3725                 "%BP_gl_out = OpVariable %BP_op_a3_gl_PerVertex Output\n"
3726                 "%BP_gl_PVOut = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3727                 "%BP_a32_gl_PVOut = OpTypeArray %BP_gl_PVOut %c_u32_32\n"
3728                 "%BP_ip_a32_gl_PVOut = OpTypePointer Input %BP_a32_gl_PVOut\n"
3729                 "%BP_gl_in = OpVariable %BP_ip_a32_gl_PVOut Input\n"
3730                 "%BP_gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
3731                 "%BP_gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
3732                 "${pre_main:opt}\n"
3733
3734                 "%BP_main = OpFunction %void None %fun\n"
3735                 "%BP_label = OpLabel\n"
3736
3737                 "%BP_gl_Invoc = OpLoad %i32 %BP_gl_InvocationID\n"
3738
3739                 "%BP_in_col_loc = OpAccessChain %ip_v4f32 %BP_in_color %BP_gl_Invoc\n"
3740                 "%BP_out_col_loc = OpAccessChain %op_v4f32 %BP_out_color %BP_gl_Invoc\n"
3741                 "%BP_in_col_val = OpLoad %v4f32 %BP_in_col_loc\n"
3742                 "%BP_clr_transformed = OpFunctionCall %v4f32 %test_code %BP_in_col_val\n"
3743                 "OpStore %BP_out_col_loc %BP_clr_transformed\n"
3744
3745                 "%BP_in_pos_loc = OpAccessChain %ip_v4f32 %BP_gl_in %BP_gl_Invoc %c_i32_0\n"
3746                 "%BP_out_pos_loc = OpAccessChain %op_v4f32 %BP_gl_out %BP_gl_Invoc %c_i32_0\n"
3747                 "%BP_in_pos_val = OpLoad %v4f32 %BP_in_pos_loc\n"
3748                 "OpStore %BP_out_pos_loc %BP_in_pos_val\n"
3749
3750                 "%BP_cmp = OpIEqual %bool %BP_gl_Invoc %c_i32_0\n"
3751                 "OpSelectionMerge %BP_merge_label None\n"
3752                 "OpBranchConditional %BP_cmp %BP_if_label %BP_merge_label\n"
3753                 "%BP_if_label = OpLabel\n"
3754                 "%BP_gl_TessLevelOuterPos_0 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_0\n"
3755                 "%BP_gl_TessLevelOuterPos_1 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_1\n"
3756                 "%BP_gl_TessLevelOuterPos_2 = OpAccessChain %op_f32 %BP_gl_TessLevelOuter %c_i32_2\n"
3757                 "%BP_gl_TessLevelInnerPos_0 = OpAccessChain %op_f32 %BP_gl_TessLevelInner %c_i32_0\n"
3758                 "OpStore %BP_gl_TessLevelOuterPos_0 %c_f32_1\n"
3759                 "OpStore %BP_gl_TessLevelOuterPos_1 %c_f32_1\n"
3760                 "OpStore %BP_gl_TessLevelOuterPos_2 %c_f32_1\n"
3761                 "OpStore %BP_gl_TessLevelInnerPos_0 %c_f32_1\n"
3762                 "OpBranch %BP_merge_label\n"
3763                 "%BP_merge_label = OpLabel\n"
3764                 "OpReturn\n"
3765                 "OpFunctionEnd\n"
3766                 "${testfun}\n";
3767         return tcu::StringTemplate(tessControlShaderBoilerplate).specialize(fragments);
3768 }
3769
3770 // Creates tess-evaluation-shader assembly by specializing a boilerplate
3771 // StringTemplate on fragments, which must (at least) map "testfun" to an
3772 // OpFunction definition for %test_code that takes and returns a %v4f32.
3773 // Boilerplate IDs are prefixed with "BP_" to avoid collisions with fragments.
3774 //
3775 // It roughly corresponds to the following glsl.
3776 //
3777 // #version 450
3778 //
3779 // layout(triangles, equal_spacing, ccw) in;
3780 // layout(location = 1) in vec4 in_color[];
3781 // layout(location = 1) out vec4 out_color;
3782 //
3783 // #define interpolate(val)
3784 //   vec4(gl_TessCoord.x) * val[0] + vec4(gl_TessCoord.y) * val[1] +
3785 //          vec4(gl_TessCoord.z) * val[2]
3786 //
3787 // void main() {
3788 //   gl_Position = vec4(gl_TessCoord.x) * gl_in[0].gl_Position +
3789 //                  vec4(gl_TessCoord.y) * gl_in[1].gl_Position +
3790 //                  vec4(gl_TessCoord.z) * gl_in[2].gl_Position;
3791 //   out_color = testfun(interpolate(in_color));
3792 // }
3793 string makeTessEvalShaderAssembly(const map<string, string>& fragments)
3794 {
3795         static const char tessEvalBoilerplate[] =
3796                 "OpCapability Tessellation\n"
3797                 "OpCapability ClipDistance\n"
3798                 "OpCapability CullDistance\n"
3799                 "OpMemoryModel Logical GLSL450\n"
3800                 "OpEntryPoint TessellationEvaluation %BP_main \"main\" %BP_stream %BP_gl_TessCoord %BP_gl_in %BP_out_color %BP_in_color\n"
3801                 "OpExecutionMode %BP_main Triangles\n"
3802                 "OpExecutionMode %BP_main SpacingEqual\n"
3803                 "OpExecutionMode %BP_main VertexOrderCcw\n"
3804                 "${debug:opt}\n"
3805                 "OpName %BP_main \"main\"\n"
3806                 "OpName %test_code \"testfun(vf4;\"\n"
3807                 "OpName %BP_gl_PerVertexOut \"gl_PerVertex\"\n"
3808                 "OpMemberName %BP_gl_PerVertexOut 0 \"gl_Position\"\n"
3809                 "OpMemberName %BP_gl_PerVertexOut 1 \"gl_PointSize\"\n"
3810                 "OpMemberName %BP_gl_PerVertexOut 2 \"gl_ClipDistance\"\n"
3811                 "OpMemberName %BP_gl_PerVertexOut 3 \"gl_CullDistance\"\n"
3812                 "OpName %BP_stream \"\"\n"
3813                 "OpName %BP_gl_TessCoord \"gl_TessCoord\"\n"
3814                 "OpName %BP_gl_PerVertexIn \"gl_PerVertex\"\n"
3815                 "OpMemberName %BP_gl_PerVertexIn 0 \"gl_Position\"\n"
3816                 "OpMemberName %BP_gl_PerVertexIn 1 \"gl_PointSize\"\n"
3817                 "OpMemberName %BP_gl_PerVertexIn 2 \"gl_ClipDistance\"\n"
3818                 "OpMemberName %BP_gl_PerVertexIn 3 \"gl_CullDistance\"\n"
3819                 "OpName %BP_gl_in \"gl_in\"\n"
3820                 "OpName %BP_out_color \"out_color\"\n"
3821                 "OpName %BP_in_color \"in_color\"\n"
3822                 "OpMemberDecorate %BP_gl_PerVertexOut 0 BuiltIn Position\n"
3823                 "OpMemberDecorate %BP_gl_PerVertexOut 1 BuiltIn PointSize\n"
3824                 "OpMemberDecorate %BP_gl_PerVertexOut 2 BuiltIn ClipDistance\n"
3825                 "OpMemberDecorate %BP_gl_PerVertexOut 3 BuiltIn CullDistance\n"
3826                 "OpDecorate %BP_gl_PerVertexOut Block\n"
3827                 "OpDecorate %BP_gl_TessCoord BuiltIn TessCoord\n"
3828                 "OpMemberDecorate %BP_gl_PerVertexIn 0 BuiltIn Position\n"
3829                 "OpMemberDecorate %BP_gl_PerVertexIn 1 BuiltIn PointSize\n"
3830                 "OpMemberDecorate %BP_gl_PerVertexIn 2 BuiltIn ClipDistance\n"
3831                 "OpMemberDecorate %BP_gl_PerVertexIn 3 BuiltIn CullDistance\n"
3832                 "OpDecorate %BP_gl_PerVertexIn Block\n"
3833                 "OpDecorate %BP_out_color Location 1\n"
3834                 "OpDecorate %BP_in_color Location 1\n"
3835                 "${decoration:opt}\n"
3836                 SPIRV_ASSEMBLY_TYPES
3837                 SPIRV_ASSEMBLY_CONSTANTS
3838                 SPIRV_ASSEMBLY_ARRAYS
3839                 "%BP_gl_PerVertexOut = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3840                 "%BP_op_gl_PerVertexOut = OpTypePointer Output %BP_gl_PerVertexOut\n"
3841                 "%BP_stream = OpVariable %BP_op_gl_PerVertexOut Output\n"
3842                 "%BP_gl_TessCoord = OpVariable %ip_v3f32 Input\n"
3843                 "%BP_gl_PerVertexIn = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3844                 "%BP_a32_gl_PerVertexIn = OpTypeArray %BP_gl_PerVertexIn %c_u32_32\n"
3845                 "%BP_ip_a32_gl_PerVertexIn = OpTypePointer Input %BP_a32_gl_PerVertexIn\n"
3846                 "%BP_gl_in = OpVariable %BP_ip_a32_gl_PerVertexIn Input\n"
3847                 "%BP_out_color = OpVariable %op_v4f32 Output\n"
3848                 "%BP_in_color = OpVariable %ip_a32v4f32 Input\n"
3849                 "${pre_main:opt}\n"
3850                 "%BP_main = OpFunction %void None %fun\n"
3851                 "%BP_label = OpLabel\n"
3852                 "%BP_gl_TC_0 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_0\n"
3853                 "%BP_gl_TC_1 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_1\n"
3854                 "%BP_gl_TC_2 = OpAccessChain %ip_f32 %BP_gl_TessCoord %c_u32_2\n"
3855                 "%BP_gl_in_gl_Pos_0 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_0 %c_i32_0\n"
3856                 "%BP_gl_in_gl_Pos_1 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_1 %c_i32_0\n"
3857                 "%BP_gl_in_gl_Pos_2 = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_2 %c_i32_0\n"
3858
3859                 "%BP_gl_OPos = OpAccessChain %op_v4f32 %BP_stream %c_i32_0\n"
3860                 "%BP_in_color_0 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_0\n"
3861                 "%BP_in_color_1 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_1\n"
3862                 "%BP_in_color_2 = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_2\n"
3863
3864                 "%BP_TC_W_0 = OpLoad %f32 %BP_gl_TC_0\n"
3865                 "%BP_TC_W_1 = OpLoad %f32 %BP_gl_TC_1\n"
3866                 "%BP_TC_W_2 = OpLoad %f32 %BP_gl_TC_2\n"
3867                 "%BP_v4f32_TC_0 = OpCompositeConstruct %v4f32 %BP_TC_W_0 %BP_TC_W_0 %BP_TC_W_0 %BP_TC_W_0\n"
3868                 "%BP_v4f32_TC_1 = OpCompositeConstruct %v4f32 %BP_TC_W_1 %BP_TC_W_1 %BP_TC_W_1 %BP_TC_W_1\n"
3869                 "%BP_v4f32_TC_2 = OpCompositeConstruct %v4f32 %BP_TC_W_2 %BP_TC_W_2 %BP_TC_W_2 %BP_TC_W_2\n"
3870
3871                 "%BP_gl_IP_0 = OpLoad %v4f32 %BP_gl_in_gl_Pos_0\n"
3872                 "%BP_gl_IP_1 = OpLoad %v4f32 %BP_gl_in_gl_Pos_1\n"
3873                 "%BP_gl_IP_2 = OpLoad %v4f32 %BP_gl_in_gl_Pos_2\n"
3874
3875                 "%BP_IP_W_0 = OpFMul %v4f32 %BP_v4f32_TC_0 %BP_gl_IP_0\n"
3876                 "%BP_IP_W_1 = OpFMul %v4f32 %BP_v4f32_TC_1 %BP_gl_IP_1\n"
3877                 "%BP_IP_W_2 = OpFMul %v4f32 %BP_v4f32_TC_2 %BP_gl_IP_2\n"
3878
3879                 "%BP_pos_sum_0 = OpFAdd %v4f32 %BP_IP_W_0 %BP_IP_W_1\n"
3880                 "%BP_pos_sum_1 = OpFAdd %v4f32 %BP_pos_sum_0 %BP_IP_W_2\n"
3881
3882                 "OpStore %BP_gl_OPos %BP_pos_sum_1\n"
3883
3884                 "%BP_IC_0 = OpLoad %v4f32 %BP_in_color_0\n"
3885                 "%BP_IC_1 = OpLoad %v4f32 %BP_in_color_1\n"
3886                 "%BP_IC_2 = OpLoad %v4f32 %BP_in_color_2\n"
3887
3888                 "%BP_IC_W_0 = OpFMul %v4f32 %BP_v4f32_TC_0 %BP_IC_0\n"
3889                 "%BP_IC_W_1 = OpFMul %v4f32 %BP_v4f32_TC_1 %BP_IC_1\n"
3890                 "%BP_IC_W_2 = OpFMul %v4f32 %BP_v4f32_TC_2 %BP_IC_2\n"
3891
3892                 "%BP_col_sum_0 = OpFAdd %v4f32 %BP_IC_W_0 %BP_IC_W_1\n"
3893                 "%BP_col_sum_1 = OpFAdd %v4f32 %BP_col_sum_0 %BP_IC_W_2\n"
3894
3895                 "%BP_clr_transformed = OpFunctionCall %v4f32 %test_code %BP_col_sum_1\n"
3896
3897                 "OpStore %BP_out_color %BP_clr_transformed\n"
3898                 "OpReturn\n"
3899                 "OpFunctionEnd\n"
3900                 "${testfun}\n";
3901         return tcu::StringTemplate(tessEvalBoilerplate).specialize(fragments);
3902 }
3903
3904 // Creates geometry-shader assembly by specializing a boilerplate StringTemplate
3905 // on fragments, which must (at least) map "testfun" to an OpFunction definition
3906 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
3907 // with "BP_" to avoid collisions with fragments.
3908 //
3909 // Derived from this GLSL:
3910 //
3911 // #version 450
3912 // layout(triangles) in;
3913 // layout(triangle_strip, max_vertices = 3) out;
3914 //
3915 // layout(location = 1) in vec4 in_color[];
3916 // layout(location = 1) out vec4 out_color;
3917 //
3918 // void main() {
3919 //   gl_Position = gl_in[0].gl_Position;
3920 //   out_color = test_fun(in_color[0]);
3921 //   EmitVertex();
3922 //   gl_Position = gl_in[1].gl_Position;
3923 //   out_color = test_fun(in_color[1]);
3924 //   EmitVertex();
3925 //   gl_Position = gl_in[2].gl_Position;
3926 //   out_color = test_fun(in_color[2]);
3927 //   EmitVertex();
3928 //   EndPrimitive();
3929 // }
3930 string makeGeometryShaderAssembly(const map<string, string>& fragments)
3931 {
3932         static const char geometryShaderBoilerplate[] =
3933                 "OpCapability Geometry\n"
3934                 "OpCapability ClipDistance\n"
3935                 "OpCapability CullDistance\n"
3936                 "OpMemoryModel Logical GLSL450\n"
3937                 "OpEntryPoint Geometry %BP_main \"main\" %BP_out_gl_position %BP_gl_in %BP_out_color %BP_in_color\n"
3938                 "OpExecutionMode %BP_main Triangles\n"
3939                 "OpExecutionMode %BP_main OutputTriangleStrip\n"
3940                 "OpExecutionMode %BP_main OutputVertices 3\n"
3941                 "${debug:opt}\n"
3942                 "OpName %BP_main \"main\"\n"
3943                 "OpName %BP_per_vertex_in \"gl_PerVertex\"\n"
3944                 "OpMemberName %BP_per_vertex_in 0 \"gl_Position\"\n"
3945                 "OpMemberName %BP_per_vertex_in 1 \"gl_PointSize\"\n"
3946                 "OpMemberName %BP_per_vertex_in 2 \"gl_ClipDistance\"\n"
3947                 "OpMemberName %BP_per_vertex_in 3 \"gl_CullDistance\"\n"
3948                 "OpName %BP_gl_in \"gl_in\"\n"
3949                 "OpName %BP_out_color \"out_color\"\n"
3950                 "OpName %BP_in_color \"in_color\"\n"
3951                 "OpName %test_code \"testfun(vf4;\"\n"
3952                 "OpDecorate %BP_out_gl_position BuiltIn Position\n"
3953                 "OpMemberDecorate %BP_per_vertex_in 0 BuiltIn Position\n"
3954                 "OpMemberDecorate %BP_per_vertex_in 1 BuiltIn PointSize\n"
3955                 "OpMemberDecorate %BP_per_vertex_in 2 BuiltIn ClipDistance\n"
3956                 "OpMemberDecorate %BP_per_vertex_in 3 BuiltIn CullDistance\n"
3957                 "OpDecorate %BP_per_vertex_in Block\n"
3958                 "OpDecorate %BP_out_color Location 1\n"
3959                 "OpDecorate %BP_in_color Location 1\n"
3960                 "${decoration:opt}\n"
3961                 SPIRV_ASSEMBLY_TYPES
3962                 SPIRV_ASSEMBLY_CONSTANTS
3963                 SPIRV_ASSEMBLY_ARRAYS
3964                 "%BP_per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
3965                 "%BP_a3_per_vertex_in = OpTypeArray %BP_per_vertex_in %c_u32_3\n"
3966                 "%BP_ip_a3_per_vertex_in = OpTypePointer Input %BP_a3_per_vertex_in\n"
3967
3968                 "%BP_gl_in = OpVariable %BP_ip_a3_per_vertex_in Input\n"
3969                 "%BP_out_color = OpVariable %op_v4f32 Output\n"
3970                 "%BP_in_color = OpVariable %ip_a3v4f32 Input\n"
3971                 "%BP_out_gl_position = OpVariable %op_v4f32 Output\n"
3972                 "${pre_main:opt}\n"
3973
3974                 "%BP_main = OpFunction %void None %fun\n"
3975                 "%BP_label = OpLabel\n"
3976                 "%BP_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_0 %c_i32_0\n"
3977                 "%BP_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_1 %c_i32_0\n"
3978                 "%BP_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %BP_gl_in %c_i32_2 %c_i32_0\n"
3979
3980                 "%BP_in_position_0 = OpLoad %v4f32 %BP_gl_in_0_gl_position\n"
3981                 "%BP_in_position_1 = OpLoad %v4f32 %BP_gl_in_1_gl_position\n"
3982                 "%BP_in_position_2 = OpLoad %v4f32 %BP_gl_in_2_gl_position \n"
3983
3984                 "%BP_in_color_0_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_0\n"
3985                 "%BP_in_color_1_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_1\n"
3986                 "%BP_in_color_2_ptr = OpAccessChain %ip_v4f32 %BP_in_color %c_i32_2\n"
3987
3988                 "%BP_in_color_0 = OpLoad %v4f32 %BP_in_color_0_ptr\n"
3989                 "%BP_in_color_1 = OpLoad %v4f32 %BP_in_color_1_ptr\n"
3990                 "%BP_in_color_2 = OpLoad %v4f32 %BP_in_color_2_ptr\n"
3991
3992                 "%BP_transformed_in_color_0 = OpFunctionCall %v4f32 %test_code %BP_in_color_0\n"
3993                 "%BP_transformed_in_color_1 = OpFunctionCall %v4f32 %test_code %BP_in_color_1\n"
3994                 "%BP_transformed_in_color_2 = OpFunctionCall %v4f32 %test_code %BP_in_color_2\n"
3995
3996
3997                 "OpStore %BP_out_gl_position %BP_in_position_0\n"
3998                 "OpStore %BP_out_color %BP_transformed_in_color_0\n"
3999                 "OpEmitVertex\n"
4000
4001                 "OpStore %BP_out_gl_position %BP_in_position_1\n"
4002                 "OpStore %BP_out_color %BP_transformed_in_color_1\n"
4003                 "OpEmitVertex\n"
4004
4005                 "OpStore %BP_out_gl_position %BP_in_position_2\n"
4006                 "OpStore %BP_out_color %BP_transformed_in_color_2\n"
4007                 "OpEmitVertex\n"
4008
4009                 "OpEndPrimitive\n"
4010                 "OpReturn\n"
4011                 "OpFunctionEnd\n"
4012                 "${testfun}\n";
4013         return tcu::StringTemplate(geometryShaderBoilerplate).specialize(fragments);
4014 }
4015
4016 // Creates fragment-shader assembly by specializing a boilerplate StringTemplate
4017 // on fragments, which must (at least) map "testfun" to an OpFunction definition
4018 // for %test_code that takes and returns a %v4f32.  Boilerplate IDs are prefixed
4019 // with "BP_" to avoid collisions with fragments.
4020 //
4021 // Derived from this GLSL:
4022 //
4023 // layout(location = 1) in highp vec4 vtxColor;
4024 // layout(location = 0) out highp vec4 fragColor;
4025 // highp vec4 testfun(highp vec4 x) { return x; }
4026 // void main(void) { fragColor = testfun(vtxColor); }
4027 //
4028 // with modifications including passing vtxColor by value and ripping out
4029 // testfun() definition.
4030 string makeFragmentShaderAssembly(const map<string, string>& fragments)
4031 {
4032         static const char fragmentShaderBoilerplate[] =
4033                 "OpCapability Shader\n"
4034                 "OpMemoryModel Logical GLSL450\n"
4035                 "OpEntryPoint Fragment %BP_main \"main\" %BP_vtxColor %BP_fragColor\n"
4036                 "OpExecutionMode %BP_main OriginUpperLeft\n"
4037                 "${debug:opt}\n"
4038                 "OpName %BP_main \"main\"\n"
4039                 "OpName %BP_fragColor \"fragColor\"\n"
4040                 "OpName %BP_vtxColor \"vtxColor\"\n"
4041                 "OpName %test_code \"testfun(vf4;\"\n"
4042                 "OpDecorate %BP_fragColor Location 0\n"
4043                 "OpDecorate %BP_vtxColor Location 1\n"
4044                 "${decoration:opt}\n"
4045                 SPIRV_ASSEMBLY_TYPES
4046                 SPIRV_ASSEMBLY_CONSTANTS
4047                 SPIRV_ASSEMBLY_ARRAYS
4048                 "%BP_fragColor = OpVariable %op_v4f32 Output\n"
4049                 "%BP_vtxColor = OpVariable %ip_v4f32 Input\n"
4050                 "${pre_main:opt}\n"
4051                 "%BP_main = OpFunction %void None %fun\n"
4052                 "%BP_label_main = OpLabel\n"
4053                 "%BP_tmp1 = OpLoad %v4f32 %BP_vtxColor\n"
4054                 "%BP_tmp2 = OpFunctionCall %v4f32 %test_code %BP_tmp1\n"
4055                 "OpStore %BP_fragColor %BP_tmp2\n"
4056                 "OpReturn\n"
4057                 "OpFunctionEnd\n"
4058                 "${testfun}\n";
4059         return tcu::StringTemplate(fragmentShaderBoilerplate).specialize(fragments);
4060 }
4061
4062 // Creates fragments that specialize into a simple pass-through shader (of any kind).
4063 map<string, string> passthruFragments(void)
4064 {
4065         map<string, string> fragments;
4066         fragments["testfun"] =
4067                 // A %test_code function that returns its argument unchanged.
4068                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
4069                 "%param1 = OpFunctionParameter %v4f32\n"
4070                 "%label_testfun = OpLabel\n"
4071                 "OpReturnValue %param1\n"
4072                 "OpFunctionEnd\n";
4073         return fragments;
4074 }
4075
4076 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
4077 // Vertex shader gets custom code from context, the rest are pass-through.
4078 void addShaderCodeCustomVertex(vk::SourceCollections& dst, InstanceContext context)
4079 {
4080         map<string, string> passthru = passthruFragments();
4081         dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(context.testCodeFragments);
4082         dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
4083 }
4084
4085 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
4086 // Tessellation control shader gets custom code from context, the rest are
4087 // pass-through.
4088 void addShaderCodeCustomTessControl(vk::SourceCollections& dst, InstanceContext context)
4089 {
4090         map<string, string> passthru = passthruFragments();
4091         dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
4092         dst.spirvAsmSources.add("tessc") << makeTessControlShaderAssembly(context.testCodeFragments);
4093         dst.spirvAsmSources.add("tesse") << makeTessEvalShaderAssembly(passthru);
4094         dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
4095 }
4096
4097 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
4098 // Tessellation evaluation shader gets custom code from context, the rest are
4099 // pass-through.
4100 void addShaderCodeCustomTessEval(vk::SourceCollections& dst, InstanceContext context)
4101 {
4102         map<string, string> passthru = passthruFragments();
4103         dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
4104         dst.spirvAsmSources.add("tessc") << makeTessControlShaderAssembly(passthru);
4105         dst.spirvAsmSources.add("tesse") << makeTessEvalShaderAssembly(context.testCodeFragments);
4106         dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
4107 }
4108
4109 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
4110 // Geometry shader gets custom code from context, the rest are pass-through.
4111 void addShaderCodeCustomGeometry(vk::SourceCollections& dst, InstanceContext context)
4112 {
4113         map<string, string> passthru = passthruFragments();
4114         dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
4115         dst.spirvAsmSources.add("geom") << makeGeometryShaderAssembly(context.testCodeFragments);
4116         dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(passthru);
4117 }
4118
4119 // Adds shader assembly text to dst.spirvAsmSources for all shader kinds.
4120 // Fragment shader gets custom code from context, the rest are pass-through.
4121 void addShaderCodeCustomFragment(vk::SourceCollections& dst, InstanceContext context)
4122 {
4123         map<string, string> passthru = passthruFragments();
4124         dst.spirvAsmSources.add("vert") << makeVertexShaderAssembly(passthru);
4125         dst.spirvAsmSources.add("frag") << makeFragmentShaderAssembly(context.testCodeFragments);
4126 }
4127
4128 void createCombinedModule(vk::SourceCollections& dst, InstanceContext)
4129 {
4130         // \todo [2015-12-07 awoloszyn] Make tessellation / geometry conditional
4131         // \todo [2015-12-07 awoloszyn] Remove OpName and OpMemberName at some point
4132         dst.spirvAsmSources.add("module") <<
4133                 "OpCapability Shader\n"
4134                 "OpCapability ClipDistance\n"
4135                 "OpCapability CullDistance\n"
4136                 "OpCapability Geometry\n"
4137                 "OpCapability Tessellation\n"
4138                 "OpMemoryModel Logical GLSL450\n"
4139
4140                 "OpEntryPoint Vertex %vert_main \"main\" %vert_Position %vert_vtxColor %vert_color %vert_vtxPosition %vert_vertex_id %vert_instance_id\n"
4141                 "OpEntryPoint Geometry %geom_main \"main\" %geom_out_gl_position %geom_gl_in %geom_out_color %geom_in_color\n"
4142                 "OpEntryPoint TessellationControl %tessc_main \"main\" %tessc_out_color %tessc_gl_InvocationID %tessc_in_color %tessc_out_position %tessc_in_position %tessc_gl_TessLevelOuter %tessc_gl_TessLevelInner\n"
4143                 "OpEntryPoint TessellationEvaluation %tesse_main \"main\" %tesse_stream %tesse_gl_tessCoord %tesse_in_position %tesse_out_color %tesse_in_color \n"
4144                 "OpEntryPoint Fragment %frag_main \"main\" %frag_vtxColor %frag_fragColor\n"
4145
4146                 "OpExecutionMode %geom_main Triangles\n"
4147                 "OpExecutionMode %geom_main OutputTriangleStrip\n"
4148                 "OpExecutionMode %geom_main OutputVertices 3\n"
4149
4150                 "OpExecutionMode %tessc_main OutputVertices 3\n"
4151
4152                 "OpExecutionMode %tesse_main Triangles\n"
4153
4154                 "OpExecutionMode %frag_main OriginUpperLeft\n"
4155
4156                 "OpName %vert_main \"main\"\n"
4157                 "OpName %vert_vtxPosition \"vtxPosition\"\n"
4158                 "OpName %vert_Position \"position\"\n"
4159                 "OpName %vert_vtxColor \"vtxColor\"\n"
4160                 "OpName %vert_color \"color\"\n"
4161                 "OpName %vert_vertex_id \"gl_VertexIndex\"\n"
4162                 "OpName %vert_instance_id \"gl_InstanceIndex\"\n"
4163                 "OpName %geom_main \"main\"\n"
4164                 "OpName %geom_per_vertex_in \"gl_PerVertex\"\n"
4165                 "OpMemberName %geom_per_vertex_in 0 \"gl_Position\"\n"
4166                 "OpMemberName %geom_per_vertex_in 1 \"gl_PointSize\"\n"
4167                 "OpMemberName %geom_per_vertex_in 2 \"gl_ClipDistance\"\n"
4168                 "OpMemberName %geom_per_vertex_in 3 \"gl_CullDistance\"\n"
4169                 "OpName %geom_gl_in \"gl_in\"\n"
4170                 "OpName %geom_out_color \"out_color\"\n"
4171                 "OpName %geom_in_color \"in_color\"\n"
4172                 "OpName %tessc_main \"main\"\n"
4173                 "OpName %tessc_out_color \"out_color\"\n"
4174                 "OpName %tessc_gl_InvocationID \"gl_InvocationID\"\n"
4175                 "OpName %tessc_in_color \"in_color\"\n"
4176                 "OpName %tessc_out_position \"out_position\"\n"
4177                 "OpName %tessc_in_position \"in_position\"\n"
4178                 "OpName %tessc_gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
4179                 "OpName %tessc_gl_TessLevelInner \"gl_TessLevelInner\"\n"
4180                 "OpName %tesse_main \"main\"\n"
4181                 "OpName %tesse_per_vertex_out \"gl_PerVertex\"\n"
4182                 "OpMemberName %tesse_per_vertex_out 0 \"gl_Position\"\n"
4183                 "OpMemberName %tesse_per_vertex_out 1 \"gl_PointSize\"\n"
4184                 "OpMemberName %tesse_per_vertex_out 2 \"gl_ClipDistance\"\n"
4185                 "OpMemberName %tesse_per_vertex_out 3 \"gl_CullDistance\"\n"
4186                 "OpName %tesse_stream \"\"\n"
4187                 "OpName %tesse_gl_tessCoord \"gl_TessCoord\"\n"
4188                 "OpName %tesse_in_position \"in_position\"\n"
4189                 "OpName %tesse_out_color \"out_color\"\n"
4190                 "OpName %tesse_in_color \"in_color\"\n"
4191                 "OpName %frag_main \"main\"\n"
4192                 "OpName %frag_fragColor \"fragColor\"\n"
4193                 "OpName %frag_vtxColor \"vtxColor\"\n"
4194
4195                 "; Vertex decorations\n"
4196                 "OpDecorate %vert_vtxPosition Location 2\n"
4197                 "OpDecorate %vert_Position Location 0\n"
4198                 "OpDecorate %vert_vtxColor Location 1\n"
4199                 "OpDecorate %vert_color Location 1\n"
4200                 "OpDecorate %vert_vertex_id BuiltIn VertexIndex\n"
4201                 "OpDecorate %vert_instance_id BuiltIn InstanceIndex\n"
4202
4203                 "; Geometry decorations\n"
4204                 "OpDecorate %geom_out_gl_position BuiltIn Position\n"
4205                 "OpMemberDecorate %geom_per_vertex_in 0 BuiltIn Position\n"
4206                 "OpMemberDecorate %geom_per_vertex_in 1 BuiltIn PointSize\n"
4207                 "OpMemberDecorate %geom_per_vertex_in 2 BuiltIn ClipDistance\n"
4208                 "OpMemberDecorate %geom_per_vertex_in 3 BuiltIn CullDistance\n"
4209                 "OpDecorate %geom_per_vertex_in Block\n"
4210                 "OpDecorate %geom_out_color Location 1\n"
4211                 "OpDecorate %geom_in_color Location 1\n"
4212
4213                 "; Tessellation Control decorations\n"
4214                 "OpDecorate %tessc_out_color Location 1\n"
4215                 "OpDecorate %tessc_gl_InvocationID BuiltIn InvocationId\n"
4216                 "OpDecorate %tessc_in_color Location 1\n"
4217                 "OpDecorate %tessc_out_position Location 2\n"
4218                 "OpDecorate %tessc_in_position Location 2\n"
4219                 "OpDecorate %tessc_gl_TessLevelOuter Patch\n"
4220                 "OpDecorate %tessc_gl_TessLevelOuter BuiltIn TessLevelOuter\n"
4221                 "OpDecorate %tessc_gl_TessLevelInner Patch\n"
4222                 "OpDecorate %tessc_gl_TessLevelInner BuiltIn TessLevelInner\n"
4223
4224                 "; Tessellation Evaluation decorations\n"
4225                 "OpMemberDecorate %tesse_per_vertex_out 0 BuiltIn Position\n"
4226                 "OpMemberDecorate %tesse_per_vertex_out 1 BuiltIn PointSize\n"
4227                 "OpMemberDecorate %tesse_per_vertex_out 2 BuiltIn ClipDistance\n"
4228                 "OpMemberDecorate %tesse_per_vertex_out 3 BuiltIn CullDistance\n"
4229                 "OpDecorate %tesse_per_vertex_out Block\n"
4230                 "OpDecorate %tesse_gl_tessCoord BuiltIn TessCoord\n"
4231                 "OpDecorate %tesse_in_position Location 2\n"
4232                 "OpDecorate %tesse_out_color Location 1\n"
4233                 "OpDecorate %tesse_in_color Location 1\n"
4234
4235                 "; Fragment decorations\n"
4236                 "OpDecorate %frag_fragColor Location 0\n"
4237                 "OpDecorate %frag_vtxColor Location 1\n"
4238
4239                 SPIRV_ASSEMBLY_TYPES
4240                 SPIRV_ASSEMBLY_CONSTANTS
4241                 SPIRV_ASSEMBLY_ARRAYS
4242
4243                 "; Vertex Variables\n"
4244                 "%vert_vtxPosition = OpVariable %op_v4f32 Output\n"
4245                 "%vert_Position = OpVariable %ip_v4f32 Input\n"
4246                 "%vert_vtxColor = OpVariable %op_v4f32 Output\n"
4247                 "%vert_color = OpVariable %ip_v4f32 Input\n"
4248                 "%vert_vertex_id = OpVariable %ip_i32 Input\n"
4249                 "%vert_instance_id = OpVariable %ip_i32 Input\n"
4250
4251                 "; Geometry Variables\n"
4252                 "%geom_per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
4253                 "%geom_a3_per_vertex_in = OpTypeArray %geom_per_vertex_in %c_u32_3\n"
4254                 "%geom_ip_a3_per_vertex_in = OpTypePointer Input %geom_a3_per_vertex_in\n"
4255                 "%geom_gl_in = OpVariable %geom_ip_a3_per_vertex_in Input\n"
4256                 "%geom_out_color = OpVariable %op_v4f32 Output\n"
4257                 "%geom_in_color = OpVariable %ip_a3v4f32 Input\n"
4258                 "%geom_out_gl_position = OpVariable %op_v4f32 Output\n"
4259
4260                 "; Tessellation Control Variables\n"
4261                 "%tessc_out_color = OpVariable %op_a3v4f32 Output\n"
4262                 "%tessc_gl_InvocationID = OpVariable %ip_i32 Input\n"
4263                 "%tessc_in_color = OpVariable %ip_a32v4f32 Input\n"
4264                 "%tessc_out_position = OpVariable %op_a3v4f32 Output\n"
4265                 "%tessc_in_position = OpVariable %ip_a32v4f32 Input\n"
4266                 "%tessc_gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
4267                 "%tessc_gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
4268
4269                 "; Tessellation Evaluation Decorations\n"
4270                 "%tesse_per_vertex_out = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
4271                 "%tesse_op_per_vertex_out = OpTypePointer Output %tesse_per_vertex_out\n"
4272                 "%tesse_stream = OpVariable %tesse_op_per_vertex_out Output\n"
4273                 "%tesse_gl_tessCoord = OpVariable %ip_v3f32 Input\n"
4274                 "%tesse_in_position = OpVariable %ip_a32v4f32 Input\n"
4275                 "%tesse_out_color = OpVariable %op_v4f32 Output\n"
4276                 "%tesse_in_color = OpVariable %ip_a32v4f32 Input\n"
4277
4278                 "; Fragment Variables\n"
4279                 "%frag_fragColor = OpVariable %op_v4f32 Output\n"
4280                 "%frag_vtxColor = OpVariable %ip_v4f32 Input\n"
4281
4282                 "; Vertex Entry\n"
4283                 "%vert_main = OpFunction %void None %fun\n"
4284                 "%vert_label = OpLabel\n"
4285                 "%vert_tmp_position = OpLoad %v4f32 %vert_Position\n"
4286                 "OpStore %vert_vtxPosition %vert_tmp_position\n"
4287                 "%vert_tmp_color = OpLoad %v4f32 %vert_color\n"
4288                 "OpStore %vert_vtxColor %vert_tmp_color\n"
4289                 "OpReturn\n"
4290                 "OpFunctionEnd\n"
4291
4292                 "; Geometry Entry\n"
4293                 "%geom_main = OpFunction %void None %fun\n"
4294                 "%geom_label = OpLabel\n"
4295                 "%geom_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_0 %c_i32_0\n"
4296                 "%geom_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_1 %c_i32_0\n"
4297                 "%geom_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %geom_gl_in %c_i32_2 %c_i32_0\n"
4298                 "%geom_in_position_0 = OpLoad %v4f32 %geom_gl_in_0_gl_position\n"
4299                 "%geom_in_position_1 = OpLoad %v4f32 %geom_gl_in_1_gl_position\n"
4300                 "%geom_in_position_2 = OpLoad %v4f32 %geom_gl_in_2_gl_position \n"
4301                 "%geom_in_color_0_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_0\n"
4302                 "%geom_in_color_1_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_1\n"
4303                 "%geom_in_color_2_ptr = OpAccessChain %ip_v4f32 %geom_in_color %c_i32_2\n"
4304                 "%geom_in_color_0 = OpLoad %v4f32 %geom_in_color_0_ptr\n"
4305                 "%geom_in_color_1 = OpLoad %v4f32 %geom_in_color_1_ptr\n"
4306                 "%geom_in_color_2 = OpLoad %v4f32 %geom_in_color_2_ptr\n"
4307                 "OpStore %geom_out_gl_position %geom_in_position_0\n"
4308                 "OpStore %geom_out_color %geom_in_color_0\n"
4309                 "OpEmitVertex\n"
4310                 "OpStore %geom_out_gl_position %geom_in_position_1\n"
4311                 "OpStore %geom_out_color %geom_in_color_1\n"
4312                 "OpEmitVertex\n"
4313                 "OpStore %geom_out_gl_position %geom_in_position_2\n"
4314                 "OpStore %geom_out_color %geom_in_color_2\n"
4315                 "OpEmitVertex\n"
4316                 "OpEndPrimitive\n"
4317                 "OpReturn\n"
4318                 "OpFunctionEnd\n"
4319
4320                 "; Tessellation Control Entry\n"
4321                 "%tessc_main = OpFunction %void None %fun\n"
4322                 "%tessc_label = OpLabel\n"
4323                 "%tessc_invocation_id = OpLoad %i32 %tessc_gl_InvocationID\n"
4324                 "%tessc_in_color_ptr = OpAccessChain %ip_v4f32 %tessc_in_color %tessc_invocation_id\n"
4325                 "%tessc_in_position_ptr = OpAccessChain %ip_v4f32 %tessc_in_position %tessc_invocation_id\n"
4326                 "%tessc_in_color_val = OpLoad %v4f32 %tessc_in_color_ptr\n"
4327                 "%tessc_in_position_val = OpLoad %v4f32 %tessc_in_position_ptr\n"
4328                 "%tessc_out_color_ptr = OpAccessChain %op_v4f32 %tessc_out_color %tessc_invocation_id\n"
4329                 "%tessc_out_position_ptr = OpAccessChain %op_v4f32 %tessc_out_position %tessc_invocation_id\n"
4330                 "OpStore %tessc_out_color_ptr %tessc_in_color_val\n"
4331                 "OpStore %tessc_out_position_ptr %tessc_in_position_val\n"
4332                 "%tessc_is_first_invocation = OpIEqual %bool %tessc_invocation_id %c_i32_0\n"
4333                 "OpSelectionMerge %tessc_merge_label None\n"
4334                 "OpBranchConditional %tessc_is_first_invocation %tessc_first_invocation %tessc_merge_label\n"
4335                 "%tessc_first_invocation = OpLabel\n"
4336                 "%tessc_tess_outer_0 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_0\n"
4337                 "%tessc_tess_outer_1 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_1\n"
4338                 "%tessc_tess_outer_2 = OpAccessChain %op_f32 %tessc_gl_TessLevelOuter %c_i32_2\n"
4339                 "%tessc_tess_inner = OpAccessChain %op_f32 %tessc_gl_TessLevelInner %c_i32_0\n"
4340                 "OpStore %tessc_tess_outer_0 %c_f32_1\n"
4341                 "OpStore %tessc_tess_outer_1 %c_f32_1\n"
4342                 "OpStore %tessc_tess_outer_2 %c_f32_1\n"
4343                 "OpStore %tessc_tess_inner %c_f32_1\n"
4344                 "OpBranch %tessc_merge_label\n"
4345                 "%tessc_merge_label = OpLabel\n"
4346                 "OpReturn\n"
4347                 "OpFunctionEnd\n"
4348
4349                 "; Tessellation Evaluation Entry\n"
4350                 "%tesse_main = OpFunction %void None %fun\n"
4351                 "%tesse_label = OpLabel\n"
4352                 "%tesse_tc_0_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_0\n"
4353                 "%tesse_tc_1_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_1\n"
4354                 "%tesse_tc_2_ptr = OpAccessChain %ip_f32 %tesse_gl_tessCoord %c_u32_2\n"
4355                 "%tesse_tc_0 = OpLoad %f32 %tesse_tc_0_ptr\n"
4356                 "%tesse_tc_1 = OpLoad %f32 %tesse_tc_1_ptr\n"
4357                 "%tesse_tc_2 = OpLoad %f32 %tesse_tc_2_ptr\n"
4358                 "%tesse_in_pos_0_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_0\n"
4359                 "%tesse_in_pos_1_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_1\n"
4360                 "%tesse_in_pos_2_ptr = OpAccessChain %ip_v4f32 %tesse_in_position %c_i32_2\n"
4361                 "%tesse_in_pos_0 = OpLoad %v4f32 %tesse_in_pos_0_ptr\n"
4362                 "%tesse_in_pos_1 = OpLoad %v4f32 %tesse_in_pos_1_ptr\n"
4363                 "%tesse_in_pos_2 = OpLoad %v4f32 %tesse_in_pos_2_ptr\n"
4364                 "%tesse_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_0 %tesse_in_pos_0\n"
4365                 "%tesse_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_1 %tesse_in_pos_1\n"
4366                 "%tesse_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_2 %tesse_in_pos_2\n"
4367                 "%tesse_out_pos_ptr = OpAccessChain %op_v4f32 %tesse_stream %c_i32_0\n"
4368                 "%tesse_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse_in_pos_0_weighted %tesse_in_pos_1_weighted\n"
4369                 "%tesse_computed_out = OpFAdd %v4f32 %tesse_in_pos_0_plus_pos_1 %tesse_in_pos_2_weighted\n"
4370                 "OpStore %tesse_out_pos_ptr %tesse_computed_out\n"
4371                 "%tesse_in_clr_0_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_0\n"
4372                 "%tesse_in_clr_1_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_1\n"
4373                 "%tesse_in_clr_2_ptr = OpAccessChain %ip_v4f32 %tesse_in_color %c_i32_2\n"
4374                 "%tesse_in_clr_0 = OpLoad %v4f32 %tesse_in_clr_0_ptr\n"
4375                 "%tesse_in_clr_1 = OpLoad %v4f32 %tesse_in_clr_1_ptr\n"
4376                 "%tesse_in_clr_2 = OpLoad %v4f32 %tesse_in_clr_2_ptr\n"
4377                 "%tesse_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_0 %tesse_in_clr_0\n"
4378                 "%tesse_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_1 %tesse_in_clr_1\n"
4379                 "%tesse_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse_tc_2 %tesse_in_clr_2\n"
4380                 "%tesse_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse_in_clr_0_weighted %tesse_in_clr_1_weighted\n"
4381                 "%tesse_computed_clr = OpFAdd %v4f32 %tesse_in_clr_0_plus_col_1 %tesse_in_clr_2_weighted\n"
4382                 "OpStore %tesse_out_color %tesse_computed_clr\n"
4383                 "OpReturn\n"
4384                 "OpFunctionEnd\n"
4385
4386                 "; Fragment Entry\n"
4387                 "%frag_main = OpFunction %void None %fun\n"
4388                 "%frag_label_main = OpLabel\n"
4389                 "%frag_tmp1 = OpLoad %v4f32 %frag_vtxColor\n"
4390                 "OpStore %frag_fragColor %frag_tmp1\n"
4391                 "OpReturn\n"
4392                 "OpFunctionEnd\n";
4393 }
4394
4395 // This has two shaders of each stage. The first
4396 // is a passthrough, the second inverts the color.
4397 void createMultipleEntries(vk::SourceCollections& dst, InstanceContext)
4398 {
4399         dst.spirvAsmSources.add("vert") <<
4400         // This module contains 2 vertex shaders. One that is a passthrough
4401         // and a second that inverts the color of the output (1.0 - color).
4402                 "OpCapability Shader\n"
4403                 "OpMemoryModel Logical GLSL450\n"
4404                 "OpEntryPoint Vertex %main \"vert1\" %Position %vtxColor %color %vtxPosition %vertex_id %instance_id\n"
4405                 "OpEntryPoint Vertex %main2 \"vert2\" %Position %vtxColor %color %vtxPosition %vertex_id %instance_id\n"
4406
4407                 "OpName %main \"vert1\"\n"
4408                 "OpName %main2 \"vert2\"\n"
4409                 "OpName %vtxPosition \"vtxPosition\"\n"
4410                 "OpName %Position \"position\"\n"
4411                 "OpName %vtxColor \"vtxColor\"\n"
4412                 "OpName %color \"color\"\n"
4413                 "OpName %vertex_id \"gl_VertexIndex\"\n"
4414                 "OpName %instance_id \"gl_InstanceIndex\"\n"
4415
4416                 "OpDecorate %vtxPosition Location 2\n"
4417                 "OpDecorate %Position Location 0\n"
4418                 "OpDecorate %vtxColor Location 1\n"
4419                 "OpDecorate %color Location 1\n"
4420                 "OpDecorate %vertex_id BuiltIn VertexIndex\n"
4421                 "OpDecorate %instance_id BuiltIn InstanceIndex\n"
4422                 SPIRV_ASSEMBLY_TYPES
4423                 SPIRV_ASSEMBLY_CONSTANTS
4424                 SPIRV_ASSEMBLY_ARRAYS
4425                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4426                 "%vtxPosition = OpVariable %op_v4f32 Output\n"
4427                 "%Position = OpVariable %ip_v4f32 Input\n"
4428                 "%vtxColor = OpVariable %op_v4f32 Output\n"
4429                 "%color = OpVariable %ip_v4f32 Input\n"
4430                 "%vertex_id = OpVariable %ip_i32 Input\n"
4431                 "%instance_id = OpVariable %ip_i32 Input\n"
4432
4433                 "%main = OpFunction %void None %fun\n"
4434                 "%label = OpLabel\n"
4435                 "%tmp_position = OpLoad %v4f32 %Position\n"
4436                 "OpStore %vtxPosition %tmp_position\n"
4437                 "%tmp_color = OpLoad %v4f32 %color\n"
4438                 "OpStore %vtxColor %tmp_color\n"
4439                 "OpReturn\n"
4440                 "OpFunctionEnd\n"
4441
4442                 "%main2 = OpFunction %void None %fun\n"
4443                 "%label2 = OpLabel\n"
4444                 "%tmp_position2 = OpLoad %v4f32 %Position\n"
4445                 "OpStore %vtxPosition %tmp_position2\n"
4446                 "%tmp_color2 = OpLoad %v4f32 %color\n"
4447                 "%tmp_color3 = OpFSub %v4f32 %cval %tmp_color2\n"
4448                 "%tmp_color4 = OpVectorInsertDynamic %v4f32 %tmp_color3 %c_f32_1 %c_i32_3\n"
4449                 "OpStore %vtxColor %tmp_color4\n"
4450                 "OpReturn\n"
4451                 "OpFunctionEnd\n";
4452
4453         dst.spirvAsmSources.add("frag") <<
4454                 // This is a single module that contains 2 fragment shaders.
4455                 // One that passes color through and the other that inverts the output
4456                 // color (1.0 - color).
4457                 "OpCapability Shader\n"
4458                 "OpMemoryModel Logical GLSL450\n"
4459                 "OpEntryPoint Fragment %main \"frag1\" %vtxColor %fragColor\n"
4460                 "OpEntryPoint Fragment %main2 \"frag2\" %vtxColor %fragColor\n"
4461                 "OpExecutionMode %main OriginUpperLeft\n"
4462                 "OpExecutionMode %main2 OriginUpperLeft\n"
4463
4464                 "OpName %main \"frag1\"\n"
4465                 "OpName %main2 \"frag2\"\n"
4466                 "OpName %fragColor \"fragColor\"\n"
4467                 "OpName %vtxColor \"vtxColor\"\n"
4468                 "OpDecorate %fragColor Location 0\n"
4469                 "OpDecorate %vtxColor Location 1\n"
4470                 SPIRV_ASSEMBLY_TYPES
4471                 SPIRV_ASSEMBLY_CONSTANTS
4472                 SPIRV_ASSEMBLY_ARRAYS
4473                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4474                 "%fragColor = OpVariable %op_v4f32 Output\n"
4475                 "%vtxColor = OpVariable %ip_v4f32 Input\n"
4476
4477                 "%main = OpFunction %void None %fun\n"
4478                 "%label_main = OpLabel\n"
4479                 "%tmp1 = OpLoad %v4f32 %vtxColor\n"
4480                 "OpStore %fragColor %tmp1\n"
4481                 "OpReturn\n"
4482                 "OpFunctionEnd\n"
4483
4484                 "%main2 = OpFunction %void None %fun\n"
4485                 "%label_main2 = OpLabel\n"
4486                 "%tmp2 = OpLoad %v4f32 %vtxColor\n"
4487                 "%tmp3 = OpFSub %v4f32 %cval %tmp2\n"
4488                 "%tmp4 = OpVectorInsertDynamic %v4f32 %tmp3 %c_f32_1 %c_i32_3\n"
4489                 "OpStore %fragColor %tmp4\n"
4490                 "OpReturn\n"
4491                 "OpFunctionEnd\n";
4492
4493         dst.spirvAsmSources.add("geom") <<
4494                 "OpCapability Geometry\n"
4495                 "OpCapability ClipDistance\n"
4496                 "OpCapability CullDistance\n"
4497                 "OpMemoryModel Logical GLSL450\n"
4498                 "OpEntryPoint Geometry %geom1_main \"geom1\" %out_gl_position %gl_in %out_color %in_color\n"
4499                 "OpEntryPoint Geometry %geom2_main \"geom2\" %out_gl_position %gl_in %out_color %in_color\n"
4500                 "OpExecutionMode %geom1_main Triangles\n"
4501                 "OpExecutionMode %geom2_main Triangles\n"
4502                 "OpExecutionMode %geom1_main OutputTriangleStrip\n"
4503                 "OpExecutionMode %geom2_main OutputTriangleStrip\n"
4504                 "OpExecutionMode %geom1_main OutputVertices 3\n"
4505                 "OpExecutionMode %geom2_main OutputVertices 3\n"
4506                 "OpName %geom1_main \"geom1\"\n"
4507                 "OpName %geom2_main \"geom2\"\n"
4508                 "OpName %per_vertex_in \"gl_PerVertex\"\n"
4509                 "OpMemberName %per_vertex_in 0 \"gl_Position\"\n"
4510                 "OpMemberName %per_vertex_in 1 \"gl_PointSize\"\n"
4511                 "OpMemberName %per_vertex_in 2 \"gl_ClipDistance\"\n"
4512                 "OpMemberName %per_vertex_in 3 \"gl_CullDistance\"\n"
4513                 "OpName %gl_in \"gl_in\"\n"
4514                 "OpName %out_color \"out_color\"\n"
4515                 "OpName %in_color \"in_color\"\n"
4516                 "OpDecorate %out_gl_position BuiltIn Position\n"
4517                 "OpMemberDecorate %per_vertex_in 0 BuiltIn Position\n"
4518                 "OpMemberDecorate %per_vertex_in 1 BuiltIn PointSize\n"
4519                 "OpMemberDecorate %per_vertex_in 2 BuiltIn ClipDistance\n"
4520                 "OpMemberDecorate %per_vertex_in 3 BuiltIn CullDistance\n"
4521                 "OpDecorate %per_vertex_in Block\n"
4522                 "OpDecorate %out_color Location 1\n"
4523                 "OpDecorate %in_color Location 1\n"
4524                 SPIRV_ASSEMBLY_TYPES
4525                 SPIRV_ASSEMBLY_CONSTANTS
4526                 SPIRV_ASSEMBLY_ARRAYS
4527                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4528                 "%per_vertex_in = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
4529                 "%a3_per_vertex_in = OpTypeArray %per_vertex_in %c_u32_3\n"
4530                 "%ip_a3_per_vertex_in = OpTypePointer Input %a3_per_vertex_in\n"
4531                 "%gl_in = OpVariable %ip_a3_per_vertex_in Input\n"
4532                 "%out_color = OpVariable %op_v4f32 Output\n"
4533                 "%in_color = OpVariable %ip_a3v4f32 Input\n"
4534                 "%out_gl_position = OpVariable %op_v4f32 Output\n"
4535
4536                 "%geom1_main = OpFunction %void None %fun\n"
4537                 "%geom1_label = OpLabel\n"
4538                 "%geom1_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_0 %c_i32_0\n"
4539                 "%geom1_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_1 %c_i32_0\n"
4540                 "%geom1_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_2 %c_i32_0\n"
4541                 "%geom1_in_position_0 = OpLoad %v4f32 %geom1_gl_in_0_gl_position\n"
4542                 "%geom1_in_position_1 = OpLoad %v4f32 %geom1_gl_in_1_gl_position\n"
4543                 "%geom1_in_position_2 = OpLoad %v4f32 %geom1_gl_in_2_gl_position \n"
4544                 "%geom1_in_color_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
4545                 "%geom1_in_color_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
4546                 "%geom1_in_color_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
4547                 "%geom1_in_color_0 = OpLoad %v4f32 %geom1_in_color_0_ptr\n"
4548                 "%geom1_in_color_1 = OpLoad %v4f32 %geom1_in_color_1_ptr\n"
4549                 "%geom1_in_color_2 = OpLoad %v4f32 %geom1_in_color_2_ptr\n"
4550                 "OpStore %out_gl_position %geom1_in_position_0\n"
4551                 "OpStore %out_color %geom1_in_color_0\n"
4552                 "OpEmitVertex\n"
4553                 "OpStore %out_gl_position %geom1_in_position_1\n"
4554                 "OpStore %out_color %geom1_in_color_1\n"
4555                 "OpEmitVertex\n"
4556                 "OpStore %out_gl_position %geom1_in_position_2\n"
4557                 "OpStore %out_color %geom1_in_color_2\n"
4558                 "OpEmitVertex\n"
4559                 "OpEndPrimitive\n"
4560                 "OpReturn\n"
4561                 "OpFunctionEnd\n"
4562
4563                 "%geom2_main = OpFunction %void None %fun\n"
4564                 "%geom2_label = OpLabel\n"
4565                 "%geom2_gl_in_0_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_0 %c_i32_0\n"
4566                 "%geom2_gl_in_1_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_1 %c_i32_0\n"
4567                 "%geom2_gl_in_2_gl_position = OpAccessChain %ip_v4f32 %gl_in %c_i32_2 %c_i32_0\n"
4568                 "%geom2_in_position_0 = OpLoad %v4f32 %geom2_gl_in_0_gl_position\n"
4569                 "%geom2_in_position_1 = OpLoad %v4f32 %geom2_gl_in_1_gl_position\n"
4570                 "%geom2_in_position_2 = OpLoad %v4f32 %geom2_gl_in_2_gl_position \n"
4571                 "%geom2_in_color_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
4572                 "%geom2_in_color_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
4573                 "%geom2_in_color_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
4574                 "%geom2_in_color_0 = OpLoad %v4f32 %geom2_in_color_0_ptr\n"
4575                 "%geom2_in_color_1 = OpLoad %v4f32 %geom2_in_color_1_ptr\n"
4576                 "%geom2_in_color_2 = OpLoad %v4f32 %geom2_in_color_2_ptr\n"
4577                 "%geom2_transformed_in_color_0 = OpFSub %v4f32 %cval %geom2_in_color_0\n"
4578                 "%geom2_transformed_in_color_1 = OpFSub %v4f32 %cval %geom2_in_color_1\n"
4579                 "%geom2_transformed_in_color_2 = OpFSub %v4f32 %cval %geom2_in_color_2\n"
4580                 "%geom2_transformed_in_color_0_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_0 %c_f32_1 %c_i32_3\n"
4581                 "%geom2_transformed_in_color_1_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_1 %c_f32_1 %c_i32_3\n"
4582                 "%geom2_transformed_in_color_2_a = OpVectorInsertDynamic %v4f32 %geom2_transformed_in_color_2 %c_f32_1 %c_i32_3\n"
4583                 "OpStore %out_gl_position %geom2_in_position_0\n"
4584                 "OpStore %out_color %geom2_transformed_in_color_0_a\n"
4585                 "OpEmitVertex\n"
4586                 "OpStore %out_gl_position %geom2_in_position_1\n"
4587                 "OpStore %out_color %geom2_transformed_in_color_1_a\n"
4588                 "OpEmitVertex\n"
4589                 "OpStore %out_gl_position %geom2_in_position_2\n"
4590                 "OpStore %out_color %geom2_transformed_in_color_2_a\n"
4591                 "OpEmitVertex\n"
4592                 "OpEndPrimitive\n"
4593                 "OpReturn\n"
4594                 "OpFunctionEnd\n";
4595
4596         dst.spirvAsmSources.add("tessc") <<
4597                 "OpCapability Tessellation\n"
4598                 "OpMemoryModel Logical GLSL450\n"
4599                 "OpEntryPoint TessellationControl %tessc1_main \"tessc1\" %out_color %gl_InvocationID %in_color %out_position %in_position %gl_TessLevelOuter %gl_TessLevelInner\n"
4600                 "OpEntryPoint TessellationControl %tessc2_main \"tessc2\" %out_color %gl_InvocationID %in_color %out_position %in_position %gl_TessLevelOuter %gl_TessLevelInner\n"
4601                 "OpExecutionMode %tessc1_main OutputVertices 3\n"
4602                 "OpExecutionMode %tessc2_main OutputVertices 3\n"
4603                 "OpName %tessc1_main \"tessc1\"\n"
4604                 "OpName %tessc2_main \"tessc2\"\n"
4605                 "OpName %out_color \"out_color\"\n"
4606                 "OpName %gl_InvocationID \"gl_InvocationID\"\n"
4607                 "OpName %in_color \"in_color\"\n"
4608                 "OpName %out_position \"out_position\"\n"
4609                 "OpName %in_position \"in_position\"\n"
4610                 "OpName %gl_TessLevelOuter \"gl_TessLevelOuter\"\n"
4611                 "OpName %gl_TessLevelInner \"gl_TessLevelInner\"\n"
4612                 "OpDecorate %out_color Location 1\n"
4613                 "OpDecorate %gl_InvocationID BuiltIn InvocationId\n"
4614                 "OpDecorate %in_color Location 1\n"
4615                 "OpDecorate %out_position Location 2\n"
4616                 "OpDecorate %in_position Location 2\n"
4617                 "OpDecorate %gl_TessLevelOuter Patch\n"
4618                 "OpDecorate %gl_TessLevelOuter BuiltIn TessLevelOuter\n"
4619                 "OpDecorate %gl_TessLevelInner Patch\n"
4620                 "OpDecorate %gl_TessLevelInner BuiltIn TessLevelInner\n"
4621                 SPIRV_ASSEMBLY_TYPES
4622                 SPIRV_ASSEMBLY_CONSTANTS
4623                 SPIRV_ASSEMBLY_ARRAYS
4624                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4625                 "%out_color = OpVariable %op_a3v4f32 Output\n"
4626                 "%gl_InvocationID = OpVariable %ip_i32 Input\n"
4627                 "%in_color = OpVariable %ip_a32v4f32 Input\n"
4628                 "%out_position = OpVariable %op_a3v4f32 Output\n"
4629                 "%in_position = OpVariable %ip_a32v4f32 Input\n"
4630                 "%gl_TessLevelOuter = OpVariable %op_a4f32 Output\n"
4631                 "%gl_TessLevelInner = OpVariable %op_a2f32 Output\n"
4632
4633                 "%tessc1_main = OpFunction %void None %fun\n"
4634                 "%tessc1_label = OpLabel\n"
4635                 "%tessc1_invocation_id = OpLoad %i32 %gl_InvocationID\n"
4636                 "%tessc1_in_color_ptr = OpAccessChain %ip_v4f32 %in_color %tessc1_invocation_id\n"
4637                 "%tessc1_in_position_ptr = OpAccessChain %ip_v4f32 %in_position %tessc1_invocation_id\n"
4638                 "%tessc1_in_color_val = OpLoad %v4f32 %tessc1_in_color_ptr\n"
4639                 "%tessc1_in_position_val = OpLoad %v4f32 %tessc1_in_position_ptr\n"
4640                 "%tessc1_out_color_ptr = OpAccessChain %op_v4f32 %out_color %tessc1_invocation_id\n"
4641                 "%tessc1_out_position_ptr = OpAccessChain %op_v4f32 %out_position %tessc1_invocation_id\n"
4642                 "OpStore %tessc1_out_color_ptr %tessc1_in_color_val\n"
4643                 "OpStore %tessc1_out_position_ptr %tessc1_in_position_val\n"
4644                 "%tessc1_is_first_invocation = OpIEqual %bool %tessc1_invocation_id %c_i32_0\n"
4645                 "OpSelectionMerge %tessc1_merge_label None\n"
4646                 "OpBranchConditional %tessc1_is_first_invocation %tessc1_first_invocation %tessc1_merge_label\n"
4647                 "%tessc1_first_invocation = OpLabel\n"
4648                 "%tessc1_tess_outer_0 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_0\n"
4649                 "%tessc1_tess_outer_1 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_1\n"
4650                 "%tessc1_tess_outer_2 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_2\n"
4651                 "%tessc1_tess_inner = OpAccessChain %op_f32 %gl_TessLevelInner %c_i32_0\n"
4652                 "OpStore %tessc1_tess_outer_0 %c_f32_1\n"
4653                 "OpStore %tessc1_tess_outer_1 %c_f32_1\n"
4654                 "OpStore %tessc1_tess_outer_2 %c_f32_1\n"
4655                 "OpStore %tessc1_tess_inner %c_f32_1\n"
4656                 "OpBranch %tessc1_merge_label\n"
4657                 "%tessc1_merge_label = OpLabel\n"
4658                 "OpReturn\n"
4659                 "OpFunctionEnd\n"
4660
4661                 "%tessc2_main = OpFunction %void None %fun\n"
4662                 "%tessc2_label = OpLabel\n"
4663                 "%tessc2_invocation_id = OpLoad %i32 %gl_InvocationID\n"
4664                 "%tessc2_in_color_ptr = OpAccessChain %ip_v4f32 %in_color %tessc2_invocation_id\n"
4665                 "%tessc2_in_position_ptr = OpAccessChain %ip_v4f32 %in_position %tessc2_invocation_id\n"
4666                 "%tessc2_in_color_val = OpLoad %v4f32 %tessc2_in_color_ptr\n"
4667                 "%tessc2_in_position_val = OpLoad %v4f32 %tessc2_in_position_ptr\n"
4668                 "%tessc2_out_color_ptr = OpAccessChain %op_v4f32 %out_color %tessc2_invocation_id\n"
4669                 "%tessc2_out_position_ptr = OpAccessChain %op_v4f32 %out_position %tessc2_invocation_id\n"
4670                 "%tessc2_transformed_color = OpFSub %v4f32 %cval %tessc2_in_color_val\n"
4671                 "%tessc2_transformed_color_a = OpVectorInsertDynamic %v4f32 %tessc2_transformed_color %c_f32_1 %c_i32_3\n"
4672                 "OpStore %tessc2_out_color_ptr %tessc2_transformed_color_a\n"
4673                 "OpStore %tessc2_out_position_ptr %tessc2_in_position_val\n"
4674                 "%tessc2_is_first_invocation = OpIEqual %bool %tessc2_invocation_id %c_i32_0\n"
4675                 "OpSelectionMerge %tessc2_merge_label None\n"
4676                 "OpBranchConditional %tessc2_is_first_invocation %tessc2_first_invocation %tessc2_merge_label\n"
4677                 "%tessc2_first_invocation = OpLabel\n"
4678                 "%tessc2_tess_outer_0 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_0\n"
4679                 "%tessc2_tess_outer_1 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_1\n"
4680                 "%tessc2_tess_outer_2 = OpAccessChain %op_f32 %gl_TessLevelOuter %c_i32_2\n"
4681                 "%tessc2_tess_inner = OpAccessChain %op_f32 %gl_TessLevelInner %c_i32_0\n"
4682                 "OpStore %tessc2_tess_outer_0 %c_f32_1\n"
4683                 "OpStore %tessc2_tess_outer_1 %c_f32_1\n"
4684                 "OpStore %tessc2_tess_outer_2 %c_f32_1\n"
4685                 "OpStore %tessc2_tess_inner %c_f32_1\n"
4686                 "OpBranch %tessc2_merge_label\n"
4687                 "%tessc2_merge_label = OpLabel\n"
4688                 "OpReturn\n"
4689                 "OpFunctionEnd\n";
4690
4691         dst.spirvAsmSources.add("tesse") <<
4692                 "OpCapability Tessellation\n"
4693                 "OpCapability ClipDistance\n"
4694                 "OpCapability CullDistance\n"
4695                 "OpMemoryModel Logical GLSL450\n"
4696                 "OpEntryPoint TessellationEvaluation %tesse1_main \"tesse1\" %stream %gl_tessCoord %in_position %out_color %in_color \n"
4697                 "OpEntryPoint TessellationEvaluation %tesse2_main \"tesse2\" %stream %gl_tessCoord %in_position %out_color %in_color \n"
4698                 "OpExecutionMode %tesse1_main Triangles\n"
4699                 "OpExecutionMode %tesse2_main Triangles\n"
4700                 "OpName %tesse1_main \"tesse1\"\n"
4701                 "OpName %tesse2_main \"tesse2\"\n"
4702                 "OpName %per_vertex_out \"gl_PerVertex\"\n"
4703                 "OpMemberName %per_vertex_out 0 \"gl_Position\"\n"
4704                 "OpMemberName %per_vertex_out 1 \"gl_PointSize\"\n"
4705                 "OpMemberName %per_vertex_out 2 \"gl_ClipDistance\"\n"
4706                 "OpMemberName %per_vertex_out 3 \"gl_CullDistance\"\n"
4707                 "OpName %stream \"\"\n"
4708                 "OpName %gl_tessCoord \"gl_TessCoord\"\n"
4709                 "OpName %in_position \"in_position\"\n"
4710                 "OpName %out_color \"out_color\"\n"
4711                 "OpName %in_color \"in_color\"\n"
4712                 "OpMemberDecorate %per_vertex_out 0 BuiltIn Position\n"
4713                 "OpMemberDecorate %per_vertex_out 1 BuiltIn PointSize\n"
4714                 "OpMemberDecorate %per_vertex_out 2 BuiltIn ClipDistance\n"
4715                 "OpMemberDecorate %per_vertex_out 3 BuiltIn CullDistance\n"
4716                 "OpDecorate %per_vertex_out Block\n"
4717                 "OpDecorate %gl_tessCoord BuiltIn TessCoord\n"
4718                 "OpDecorate %in_position Location 2\n"
4719                 "OpDecorate %out_color Location 1\n"
4720                 "OpDecorate %in_color Location 1\n"
4721                 SPIRV_ASSEMBLY_TYPES
4722                 SPIRV_ASSEMBLY_CONSTANTS
4723                 SPIRV_ASSEMBLY_ARRAYS
4724                 "%cval = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
4725                 "%per_vertex_out = OpTypeStruct %v4f32 %f32 %a1f32 %a1f32\n"
4726                 "%op_per_vertex_out = OpTypePointer Output %per_vertex_out\n"
4727                 "%stream = OpVariable %op_per_vertex_out Output\n"
4728                 "%gl_tessCoord = OpVariable %ip_v3f32 Input\n"
4729                 "%in_position = OpVariable %ip_a32v4f32 Input\n"
4730                 "%out_color = OpVariable %op_v4f32 Output\n"
4731                 "%in_color = OpVariable %ip_a32v4f32 Input\n"
4732
4733                 "%tesse1_main = OpFunction %void None %fun\n"
4734                 "%tesse1_label = OpLabel\n"
4735                 "%tesse1_tc_0_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_0\n"
4736                 "%tesse1_tc_1_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_1\n"
4737                 "%tesse1_tc_2_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_2\n"
4738                 "%tesse1_tc_0 = OpLoad %f32 %tesse1_tc_0_ptr\n"
4739                 "%tesse1_tc_1 = OpLoad %f32 %tesse1_tc_1_ptr\n"
4740                 "%tesse1_tc_2 = OpLoad %f32 %tesse1_tc_2_ptr\n"
4741                 "%tesse1_in_pos_0_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_0\n"
4742                 "%tesse1_in_pos_1_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_1\n"
4743                 "%tesse1_in_pos_2_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_2\n"
4744                 "%tesse1_in_pos_0 = OpLoad %v4f32 %tesse1_in_pos_0_ptr\n"
4745                 "%tesse1_in_pos_1 = OpLoad %v4f32 %tesse1_in_pos_1_ptr\n"
4746                 "%tesse1_in_pos_2 = OpLoad %v4f32 %tesse1_in_pos_2_ptr\n"
4747                 "%tesse1_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_0 %tesse1_in_pos_0\n"
4748                 "%tesse1_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_1 %tesse1_in_pos_1\n"
4749                 "%tesse1_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_2 %tesse1_in_pos_2\n"
4750                 "%tesse1_out_pos_ptr = OpAccessChain %op_v4f32 %stream %c_i32_0\n"
4751                 "%tesse1_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse1_in_pos_0_weighted %tesse1_in_pos_1_weighted\n"
4752                 "%tesse1_computed_out = OpFAdd %v4f32 %tesse1_in_pos_0_plus_pos_1 %tesse1_in_pos_2_weighted\n"
4753                 "OpStore %tesse1_out_pos_ptr %tesse1_computed_out\n"
4754                 "%tesse1_in_clr_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
4755                 "%tesse1_in_clr_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
4756                 "%tesse1_in_clr_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
4757                 "%tesse1_in_clr_0 = OpLoad %v4f32 %tesse1_in_clr_0_ptr\n"
4758                 "%tesse1_in_clr_1 = OpLoad %v4f32 %tesse1_in_clr_1_ptr\n"
4759                 "%tesse1_in_clr_2 = OpLoad %v4f32 %tesse1_in_clr_2_ptr\n"
4760                 "%tesse1_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_0 %tesse1_in_clr_0\n"
4761                 "%tesse1_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_1 %tesse1_in_clr_1\n"
4762                 "%tesse1_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse1_tc_2 %tesse1_in_clr_2\n"
4763                 "%tesse1_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse1_in_clr_0_weighted %tesse1_in_clr_1_weighted\n"
4764                 "%tesse1_computed_clr = OpFAdd %v4f32 %tesse1_in_clr_0_plus_col_1 %tesse1_in_clr_2_weighted\n"
4765                 "OpStore %out_color %tesse1_computed_clr\n"
4766                 "OpReturn\n"
4767                 "OpFunctionEnd\n"
4768
4769                 "%tesse2_main = OpFunction %void None %fun\n"
4770                 "%tesse2_label = OpLabel\n"
4771                 "%tesse2_tc_0_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_0\n"
4772                 "%tesse2_tc_1_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_1\n"
4773                 "%tesse2_tc_2_ptr = OpAccessChain %ip_f32 %gl_tessCoord %c_u32_2\n"
4774                 "%tesse2_tc_0 = OpLoad %f32 %tesse2_tc_0_ptr\n"
4775                 "%tesse2_tc_1 = OpLoad %f32 %tesse2_tc_1_ptr\n"
4776                 "%tesse2_tc_2 = OpLoad %f32 %tesse2_tc_2_ptr\n"
4777                 "%tesse2_in_pos_0_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_0\n"
4778                 "%tesse2_in_pos_1_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_1\n"
4779                 "%tesse2_in_pos_2_ptr = OpAccessChain %ip_v4f32 %in_position %c_i32_2\n"
4780                 "%tesse2_in_pos_0 = OpLoad %v4f32 %tesse2_in_pos_0_ptr\n"
4781                 "%tesse2_in_pos_1 = OpLoad %v4f32 %tesse2_in_pos_1_ptr\n"
4782                 "%tesse2_in_pos_2 = OpLoad %v4f32 %tesse2_in_pos_2_ptr\n"
4783                 "%tesse2_in_pos_0_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_0 %tesse2_in_pos_0\n"
4784                 "%tesse2_in_pos_1_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_1 %tesse2_in_pos_1\n"
4785                 "%tesse2_in_pos_2_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_2 %tesse2_in_pos_2\n"
4786                 "%tesse2_out_pos_ptr = OpAccessChain %op_v4f32 %stream %c_i32_0\n"
4787                 "%tesse2_in_pos_0_plus_pos_1 = OpFAdd %v4f32 %tesse2_in_pos_0_weighted %tesse2_in_pos_1_weighted\n"
4788                 "%tesse2_computed_out = OpFAdd %v4f32 %tesse2_in_pos_0_plus_pos_1 %tesse2_in_pos_2_weighted\n"
4789                 "OpStore %tesse2_out_pos_ptr %tesse2_computed_out\n"
4790                 "%tesse2_in_clr_0_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_0\n"
4791                 "%tesse2_in_clr_1_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_1\n"
4792                 "%tesse2_in_clr_2_ptr = OpAccessChain %ip_v4f32 %in_color %c_i32_2\n"
4793                 "%tesse2_in_clr_0 = OpLoad %v4f32 %tesse2_in_clr_0_ptr\n"
4794                 "%tesse2_in_clr_1 = OpLoad %v4f32 %tesse2_in_clr_1_ptr\n"
4795                 "%tesse2_in_clr_2 = OpLoad %v4f32 %tesse2_in_clr_2_ptr\n"
4796                 "%tesse2_in_clr_0_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_0 %tesse2_in_clr_0\n"
4797                 "%tesse2_in_clr_1_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_1 %tesse2_in_clr_1\n"
4798                 "%tesse2_in_clr_2_weighted = OpVectorTimesScalar %v4f32 %tesse2_tc_2 %tesse2_in_clr_2\n"
4799                 "%tesse2_in_clr_0_plus_col_1 = OpFAdd %v4f32 %tesse2_in_clr_0_weighted %tesse2_in_clr_1_weighted\n"
4800                 "%tesse2_computed_clr = OpFAdd %v4f32 %tesse2_in_clr_0_plus_col_1 %tesse2_in_clr_2_weighted\n"
4801                 "%tesse2_clr_transformed = OpFSub %v4f32 %cval %tesse2_computed_clr\n"
4802                 "%tesse2_clr_transformed_a = OpVectorInsertDynamic %v4f32 %tesse2_clr_transformed %c_f32_1 %c_i32_3\n"
4803                 "OpStore %out_color %tesse2_clr_transformed_a\n"
4804                 "OpReturn\n"
4805                 "OpFunctionEnd\n";
4806 }
4807
4808 // Sets up and runs a Vulkan pipeline, then spot-checks the resulting image.
4809 // Feeds the pipeline a set of colored triangles, which then must occur in the
4810 // rendered image.  The surface is cleared before executing the pipeline, so
4811 // whatever the shaders draw can be directly spot-checked.
4812 TestStatus runAndVerifyDefaultPipeline (Context& context, InstanceContext instance)
4813 {
4814         const VkDevice                                                          vkDevice                                = context.getDevice();
4815         const DeviceInterface&                                          vk                                              = context.getDeviceInterface();
4816         const VkQueue                                                           queue                                   = context.getUniversalQueue();
4817         const deUint32                                                          queueFamilyIndex                = context.getUniversalQueueFamilyIndex();
4818         const tcu::UVec2                                                        renderSize                              (256, 256);
4819         vector<ModuleHandleSp>                                          modules;
4820         map<VkShaderStageFlagBits, VkShaderModule>      moduleByStage;
4821         const int                                                                       testSpecificSeed                = 31354125;
4822         const int                                                                       seed                                    = context.getTestContext().getCommandLine().getBaseSeed() ^ testSpecificSeed;
4823         bool                                                                            supportsGeometry                = false;
4824         bool                                                                            supportsTessellation    = false;
4825         bool                                                                            hasTessellation         = false;
4826
4827         const VkPhysicalDeviceFeatures&                         features                                = context.getDeviceFeatures();
4828         supportsGeometry                = features.geometryShader == VK_TRUE;
4829         supportsTessellation    = features.tessellationShader == VK_TRUE;
4830         hasTessellation                 = (instance.requiredStages & VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT) ||
4831                                                                 (instance.requiredStages & VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT);
4832
4833         if (hasTessellation && !supportsTessellation)
4834         {
4835                 throw tcu::NotSupportedError(std::string("Tessellation not supported"));
4836         }
4837
4838         if ((instance.requiredStages & VK_SHADER_STAGE_GEOMETRY_BIT) &&
4839                 !supportsGeometry)
4840         {
4841                 throw tcu::NotSupportedError(std::string("Geometry not supported"));
4842         }
4843
4844         de::Random(seed).shuffle(instance.inputColors, instance.inputColors+4);
4845         de::Random(seed).shuffle(instance.outputColors, instance.outputColors+4);
4846         const Vec4                                                              vertexData[]                    =
4847         {
4848                 // Upper left corner:
4849                 Vec4(-1.0f, -1.0f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
4850                 Vec4(-0.5f, -1.0f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
4851                 Vec4(-1.0f, -0.5f, 0.0f, 1.0f), instance.inputColors[0].toVec(),
4852
4853                 // Upper right corner:
4854                 Vec4(+0.5f, -1.0f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
4855                 Vec4(+1.0f, -1.0f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
4856                 Vec4(+1.0f, -0.5f, 0.0f, 1.0f), instance.inputColors[1].toVec(),
4857
4858                 // Lower left corner:
4859                 Vec4(-1.0f, +0.5f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
4860                 Vec4(-0.5f, +1.0f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
4861                 Vec4(-1.0f, +1.0f, 0.0f, 1.0f), instance.inputColors[2].toVec(),
4862
4863                 // Lower right corner:
4864                 Vec4(+1.0f, +0.5f, 0.0f, 1.0f), instance.inputColors[3].toVec(),
4865                 Vec4(+1.0f, +1.0f, 0.0f, 1.0f), instance.inputColors[3].toVec(),
4866                 Vec4(+0.5f, +1.0f, 0.0f, 1.0f), instance.inputColors[3].toVec()
4867         };
4868         const size_t                                                    singleVertexDataSize    = 2 * sizeof(Vec4);
4869         const size_t                                                    vertexCount                             = sizeof(vertexData) / singleVertexDataSize;
4870
4871         const VkBufferCreateInfo                                vertexBufferParams              =
4872         {
4873                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,   //      VkStructureType         sType;
4874                 DE_NULL,                                                                //      const void*                     pNext;
4875                 0u,                                                                             //      VkBufferCreateFlags     flags;
4876                 (VkDeviceSize)sizeof(vertexData),               //      VkDeviceSize            size;
4877                 VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,              //      VkBufferUsageFlags      usage;
4878                 VK_SHARING_MODE_EXCLUSIVE,                              //      VkSharingMode           sharingMode;
4879                 1u,                                                                             //      deUint32                        queueFamilyCount;
4880                 &queueFamilyIndex,                                              //      const deUint32*         pQueueFamilyIndices;
4881         };
4882         const Unique<VkBuffer>                                  vertexBuffer                    (createBuffer(vk, vkDevice, &vertexBufferParams));
4883         const UniquePtr<Allocation>                             vertexBufferMemory              (context.getDefaultAllocator().allocate(getBufferMemoryRequirements(vk, vkDevice, *vertexBuffer), MemoryRequirement::HostVisible));
4884
4885         VK_CHECK(vk.bindBufferMemory(vkDevice, *vertexBuffer, vertexBufferMemory->getMemory(), vertexBufferMemory->getOffset()));
4886
4887         const VkDeviceSize                                              imageSizeBytes                  = (VkDeviceSize)(sizeof(deUint32)*renderSize.x()*renderSize.y());
4888         const VkBufferCreateInfo                                readImageBufferParams   =
4889         {
4890                 VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           //      VkStructureType         sType;
4891                 DE_NULL,                                                                        //      const void*                     pNext;
4892                 0u,                                                                                     //      VkBufferCreateFlags     flags;
4893                 imageSizeBytes,                                                         //      VkDeviceSize            size;
4894                 VK_BUFFER_USAGE_TRANSFER_DST_BIT,                       //      VkBufferUsageFlags      usage;
4895                 VK_SHARING_MODE_EXCLUSIVE,                                      //      VkSharingMode           sharingMode;
4896                 1u,                                                                                     //      deUint32                        queueFamilyCount;
4897                 &queueFamilyIndex,                                                      //      const deUint32*         pQueueFamilyIndices;
4898         };
4899         const Unique<VkBuffer>                                  readImageBuffer                 (createBuffer(vk, vkDevice, &readImageBufferParams));
4900         const UniquePtr<Allocation>                             readImageBufferMemory   (context.getDefaultAllocator().allocate(getBufferMemoryRequirements(vk, vkDevice, *readImageBuffer), MemoryRequirement::HostVisible));
4901
4902         VK_CHECK(vk.bindBufferMemory(vkDevice, *readImageBuffer, readImageBufferMemory->getMemory(), readImageBufferMemory->getOffset()));
4903
4904         const VkImageCreateInfo                                 imageParams                             =
4905         {
4906                 VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,                                                                    //      VkStructureType         sType;
4907                 DE_NULL,                                                                                                                                //      const void*                     pNext;
4908                 0u,                                                                                                                                             //      VkImageCreateFlags      flags;
4909                 VK_IMAGE_TYPE_2D,                                                                                                               //      VkImageType                     imageType;
4910                 VK_FORMAT_R8G8B8A8_UNORM,                                                                                               //      VkFormat                        format;
4911                 { renderSize.x(), renderSize.y(), 1 },                                                                  //      VkExtent3D                      extent;
4912                 1u,                                                                                                                                             //      deUint32                        mipLevels;
4913                 1u,                                                                                                                                             //      deUint32                        arraySize;
4914                 VK_SAMPLE_COUNT_1_BIT,                                                                                                  //      deUint32                        samples;
4915                 VK_IMAGE_TILING_OPTIMAL,                                                                                                //      VkImageTiling           tiling;
4916                 VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT|VK_IMAGE_USAGE_TRANSFER_SRC_BIT,    //      VkImageUsageFlags       usage;
4917                 VK_SHARING_MODE_EXCLUSIVE,                                                                                              //      VkSharingMode           sharingMode;
4918                 1u,                                                                                                                                             //      deUint32                        queueFamilyCount;
4919                 &queueFamilyIndex,                                                                                                              //      const deUint32*         pQueueFamilyIndices;
4920                 VK_IMAGE_LAYOUT_UNDEFINED,                                                                                              //      VkImageLayout           initialLayout;
4921         };
4922
4923         const Unique<VkImage>                                   image                                   (createImage(vk, vkDevice, &imageParams));
4924         const UniquePtr<Allocation>                             imageMemory                             (context.getDefaultAllocator().allocate(getImageMemoryRequirements(vk, vkDevice, *image), MemoryRequirement::Any));
4925
4926         VK_CHECK(vk.bindImageMemory(vkDevice, *image, imageMemory->getMemory(), imageMemory->getOffset()));
4927
4928         const VkAttachmentDescription                   colorAttDesc                    =
4929         {
4930                 0u,                                                                                             //      VkAttachmentDescriptionFlags    flags;
4931                 VK_FORMAT_R8G8B8A8_UNORM,                                               //      VkFormat                                                format;
4932                 VK_SAMPLE_COUNT_1_BIT,                                                  //      deUint32                                                samples;
4933                 VK_ATTACHMENT_LOAD_OP_CLEAR,                                    //      VkAttachmentLoadOp                              loadOp;
4934                 VK_ATTACHMENT_STORE_OP_STORE,                                   //      VkAttachmentStoreOp                             storeOp;
4935                 VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                //      VkAttachmentLoadOp                              stencilLoadOp;
4936                 VK_ATTACHMENT_STORE_OP_DONT_CARE,                               //      VkAttachmentStoreOp                             stencilStoreOp;
4937                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout                                   initialLayout;
4938                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout                                   finalLayout;
4939         };
4940         const VkAttachmentReference                             colorAttRef                             =
4941         {
4942                 0u,                                                                                             //      deUint32                attachment;
4943                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               //      VkImageLayout   layout;
4944         };
4945         const VkSubpassDescription                              subpassDesc                             =
4946         {
4947                 0u,                                                                                             //      VkSubpassDescriptionFlags               flags;
4948                 VK_PIPELINE_BIND_POINT_GRAPHICS,                                //      VkPipelineBindPoint                             pipelineBindPoint;
4949                 0u,                                                                                             //      deUint32                                                inputCount;
4950                 DE_NULL,                                                                                //      const VkAttachmentReference*    pInputAttachments;
4951                 1u,                                                                                             //      deUint32                                                colorCount;
4952                 &colorAttRef,                                                                   //      const VkAttachmentReference*    pColorAttachments;
4953                 DE_NULL,                                                                                //      const VkAttachmentReference*    pResolveAttachments;
4954                 DE_NULL,                                                                                //      const VkAttachmentReference*    pDepthStencilAttachment;
4955                 0u,                                                                                             //      deUint32                                                preserveCount;
4956                 DE_NULL,                                                                                //      const VkAttachmentReference*    pPreserveAttachments;
4957
4958         };
4959         const VkRenderPassCreateInfo                    renderPassParams                =
4960         {
4961                 VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,              //      VkStructureType                                 sType;
4962                 DE_NULL,                                                                                //      const void*                                             pNext;
4963                 (VkRenderPassCreateFlags)0,
4964                 1u,                                                                                             //      deUint32                                                attachmentCount;
4965                 &colorAttDesc,                                                                  //      const VkAttachmentDescription*  pAttachments;
4966                 1u,                                                                                             //      deUint32                                                subpassCount;
4967                 &subpassDesc,                                                                   //      const VkSubpassDescription*             pSubpasses;
4968                 0u,                                                                                             //      deUint32                                                dependencyCount;
4969                 DE_NULL,                                                                                //      const VkSubpassDependency*              pDependencies;
4970         };
4971         const Unique<VkRenderPass>                              renderPass                              (createRenderPass(vk, vkDevice, &renderPassParams));
4972
4973         const VkImageViewCreateInfo                             colorAttViewParams              =
4974         {
4975                 VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,               //      VkStructureType                         sType;
4976                 DE_NULL,                                                                                //      const void*                                     pNext;
4977                 0u,                                                                                             //      VkImageViewCreateFlags          flags;
4978                 *image,                                                                                 //      VkImage                                         image;
4979                 VK_IMAGE_VIEW_TYPE_2D,                                                  //      VkImageViewType                         viewType;
4980                 VK_FORMAT_R8G8B8A8_UNORM,                                               //      VkFormat                                        format;
4981                 {
4982                         VK_COMPONENT_SWIZZLE_R,
4983                         VK_COMPONENT_SWIZZLE_G,
4984                         VK_COMPONENT_SWIZZLE_B,
4985                         VK_COMPONENT_SWIZZLE_A
4986                 },                                                                                              //      VkChannelMapping                        channels;
4987                 {
4988                         VK_IMAGE_ASPECT_COLOR_BIT,                                              //      VkImageAspectFlags      aspectMask;
4989                         0u,                                                                                             //      deUint32                        baseMipLevel;
4990                         1u,                                                                                             //      deUint32                        mipLevels;
4991                         0u,                                                                                             //      deUint32                        baseArrayLayer;
4992                         1u,                                                                                             //      deUint32                        arraySize;
4993                 },                                                                                              //      VkImageSubresourceRange         subresourceRange;
4994         };
4995         const Unique<VkImageView>                               colorAttView                    (createImageView(vk, vkDevice, &colorAttViewParams));
4996
4997
4998         // Pipeline layout
4999         const VkPipelineLayoutCreateInfo                pipelineLayoutParams    =
5000         {
5001                 VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,                  //      VkStructureType                                 sType;
5002                 DE_NULL,                                                                                                //      const void*                                             pNext;
5003                 (VkPipelineLayoutCreateFlags)0,
5004                 0u,                                                                                                             //      deUint32                                                descriptorSetCount;
5005                 DE_NULL,                                                                                                //      const VkDescriptorSetLayout*    pSetLayouts;
5006                 0u,                                                                                                             //      deUint32                                                pushConstantRangeCount;
5007                 DE_NULL,                                                                                                //      const VkPushConstantRange*              pPushConstantRanges;
5008         };
5009         const Unique<VkPipelineLayout>                  pipelineLayout                  (createPipelineLayout(vk, vkDevice, &pipelineLayoutParams));
5010
5011         // Pipeline
5012         vector<VkPipelineShaderStageCreateInfo>         shaderStageParams;
5013         // We need these vectors to make sure that information about specialization constants for each stage can outlive createGraphicsPipeline().
5014         vector<vector<VkSpecializationMapEntry> >       specConstantEntries;
5015         vector<VkSpecializationInfo>                            specializationInfos;
5016         createPipelineShaderStages(vk, vkDevice, instance, context, modules, shaderStageParams);
5017
5018         // And we don't want the reallocation of these vectors to invalidate pointers pointing to their contents.
5019         specConstantEntries.reserve(shaderStageParams.size());
5020         specializationInfos.reserve(shaderStageParams.size());
5021
5022         // Patch the specialization info field in PipelineShaderStageCreateInfos.
5023         for (vector<VkPipelineShaderStageCreateInfo>::iterator stageInfo = shaderStageParams.begin(); stageInfo != shaderStageParams.end(); ++stageInfo)
5024         {
5025                 const StageToSpecConstantMap::const_iterator stageIt = instance.specConstants.find(stageInfo->stage);
5026
5027                 if (stageIt != instance.specConstants.end())
5028                 {
5029                         const size_t                                            numSpecConstants        = stageIt->second.size();
5030                         vector<VkSpecializationMapEntry>        entries;
5031                         VkSpecializationInfo                            specInfo;
5032
5033                         entries.resize(numSpecConstants);
5034
5035                         // Only support 32-bit integers as spec constants now. And their constant IDs are numbered sequentially starting from 0.
5036                         for (size_t ndx = 0; ndx < numSpecConstants; ++ndx)
5037                         {
5038                                 entries[ndx].constantID = (deUint32)ndx;
5039                                 entries[ndx].offset             = deUint32(ndx * sizeof(deInt32));
5040                                 entries[ndx].size               = sizeof(deInt32);
5041                         }
5042
5043                         specConstantEntries.push_back(entries);
5044
5045                         specInfo.mapEntryCount  = (deUint32)numSpecConstants;
5046                         specInfo.pMapEntries    = specConstantEntries.back().data();
5047                         specInfo.dataSize               = numSpecConstants * sizeof(deInt32);
5048                         specInfo.pData                  = stageIt->second.data();
5049                         specializationInfos.push_back(specInfo);
5050
5051                         stageInfo->pSpecializationInfo = &specializationInfos.back();
5052                 }
5053         }
5054         const VkPipelineDepthStencilStateCreateInfo     depthStencilParams              =
5055         {
5056                 VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,     //      VkStructureType         sType;
5057                 DE_NULL,                                                                                                        //      const void*                     pNext;
5058                 (VkPipelineDepthStencilStateCreateFlags)0,
5059                 DE_FALSE,                                                                                                       //      deUint32                        depthTestEnable;
5060                 DE_FALSE,                                                                                                       //      deUint32                        depthWriteEnable;
5061                 VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp                     depthCompareOp;
5062                 DE_FALSE,                                                                                                       //      deUint32                        depthBoundsTestEnable;
5063                 DE_FALSE,                                                                                                       //      deUint32                        stencilTestEnable;
5064                 {
5065                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilFailOp;
5066                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilPassOp;
5067                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilDepthFailOp;
5068                         VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp     stencilCompareOp;
5069                         0u,                                                                                                                     //      deUint32        stencilCompareMask;
5070                         0u,                                                                                                                     //      deUint32        stencilWriteMask;
5071                         0u,                                                                                                                     //      deUint32        stencilReference;
5072                 },                                                                                                                      //      VkStencilOpState        front;
5073                 {
5074                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilFailOp;
5075                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilPassOp;
5076                         VK_STENCIL_OP_KEEP,                                                                                     //      VkStencilOp     stencilDepthFailOp;
5077                         VK_COMPARE_OP_ALWAYS,                                                                           //      VkCompareOp     stencilCompareOp;
5078                         0u,                                                                                                                     //      deUint32        stencilCompareMask;
5079                         0u,                                                                                                                     //      deUint32        stencilWriteMask;
5080                         0u,                                                                                                                     //      deUint32        stencilReference;
5081                 },                                                                                                                      //      VkStencilOpState        back;
5082                 -1.0f,                                                                                                          //      float                           minDepthBounds;
5083                 +1.0f,                                                                                                          //      float                           maxDepthBounds;
5084         };
5085         const VkViewport                                                viewport0                               =
5086         {
5087                 0.0f,                                                                                                           //      float   originX;
5088                 0.0f,                                                                                                           //      float   originY;
5089                 (float)renderSize.x(),                                                                          //      float   width;
5090                 (float)renderSize.y(),                                                                          //      float   height;
5091                 0.0f,                                                                                                           //      float   minDepth;
5092                 1.0f,                                                                                                           //      float   maxDepth;
5093         };
5094         const VkRect2D                                                  scissor0                                =
5095         {
5096                 {
5097                         0u,                                                                                                                     //      deInt32 x;
5098                         0u,                                                                                                                     //      deInt32 y;
5099                 },                                                                                                                      //      VkOffset2D      offset;
5100                 {
5101                         renderSize.x(),                                                                                         //      deInt32 width;
5102                         renderSize.y(),                                                                                         //      deInt32 height;
5103                 },                                                                                                                      //      VkExtent2D      extent;
5104         };
5105         const VkPipelineViewportStateCreateInfo         viewportParams                  =
5106         {
5107                 VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,          //      VkStructureType         sType;
5108                 DE_NULL,                                                                                                        //      const void*                     pNext;
5109                 (VkPipelineViewportStateCreateFlags)0,
5110                 1u,                                                                                                                     //      deUint32                        viewportCount;
5111                 &viewport0,
5112                 1u,
5113                 &scissor0
5114         };
5115         const VkSampleMask                                                      sampleMask                              = ~0u;
5116         const VkPipelineMultisampleStateCreateInfo      multisampleParams               =
5117         {
5118                 VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,       //      VkStructureType                 sType;
5119                 DE_NULL,                                                                                                        //      const void*                             pNext;
5120                 (VkPipelineMultisampleStateCreateFlags)0,
5121                 VK_SAMPLE_COUNT_1_BIT,                                                                          //      VkSampleCountFlagBits   rasterSamples;
5122                 DE_FALSE,                                                                                                       //      deUint32                                sampleShadingEnable;
5123                 0.0f,                                                                                                           //      float                                   minSampleShading;
5124                 &sampleMask,                                                                                            //      const VkSampleMask*             pSampleMask;
5125                 DE_FALSE,                                                                                                       //      VkBool32                                alphaToCoverageEnable;
5126                 DE_FALSE,                                                                                                       //      VkBool32                                alphaToOneEnable;
5127         };
5128         const VkPipelineRasterizationStateCreateInfo    rasterParams            =
5129         {
5130                 VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,     //      VkStructureType sType;
5131                 DE_NULL,                                                                                                        //      const void*             pNext;
5132                 (VkPipelineRasterizationStateCreateFlags)0,
5133                 DE_TRUE,                                                                                                        //      deUint32                depthClipEnable;
5134                 DE_FALSE,                                                                                                       //      deUint32                rasterizerDiscardEnable;
5135                 VK_POLYGON_MODE_FILL,                                                                           //      VkFillMode              fillMode;
5136                 VK_CULL_MODE_NONE,                                                                                      //      VkCullMode              cullMode;
5137                 VK_FRONT_FACE_COUNTER_CLOCKWISE,                                                        //      VkFrontFace             frontFace;
5138                 VK_FALSE,                                                                                                       //      VkBool32                depthBiasEnable;
5139                 0.0f,                                                                                                           //      float                   depthBias;
5140                 0.0f,                                                                                                           //      float                   depthBiasClamp;
5141                 0.0f,                                                                                                           //      float                   slopeScaledDepthBias;
5142                 1.0f,                                                                                                           //      float                   lineWidth;
5143         };
5144         const VkPrimitiveTopology topology = hasTessellation? VK_PRIMITIVE_TOPOLOGY_PATCH_LIST: VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
5145         const VkPipelineInputAssemblyStateCreateInfo    inputAssemblyParams     =
5146         {
5147                 VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,    //      VkStructureType         sType;
5148                 DE_NULL,                                                                                                                //      const void*                     pNext;
5149                 (VkPipelineInputAssemblyStateCreateFlags)0,
5150                 topology,                                                                                                               //      VkPrimitiveTopology     topology;
5151                 DE_FALSE,                                                                                                               //      deUint32                        primitiveRestartEnable;
5152         };
5153         const VkVertexInputBindingDescription           vertexBinding0 =
5154         {
5155                 0u,                                                                     // deUint32                                     binding;
5156                 deUint32(singleVertexDataSize),         // deUint32                                     strideInBytes;
5157                 VK_VERTEX_INPUT_RATE_VERTEX                     // VkVertexInputStepRate        stepRate;
5158         };
5159         const VkVertexInputAttributeDescription         vertexAttrib0[2] =
5160         {
5161                 {
5162                         0u,                                                                     // deUint32     location;
5163                         0u,                                                                     // deUint32     binding;
5164                         VK_FORMAT_R32G32B32A32_SFLOAT,          // VkFormat     format;
5165                         0u                                                                      // deUint32     offsetInBytes;
5166                 },
5167                 {
5168                         1u,                                                                     // deUint32     location;
5169                         0u,                                                                     // deUint32     binding;
5170                         VK_FORMAT_R32G32B32A32_SFLOAT,          // VkFormat     format;
5171                         sizeof(Vec4),                                           // deUint32     offsetInBytes;
5172                 }
5173         };
5174
5175         const VkPipelineVertexInputStateCreateInfo      vertexInputStateParams  =
5176         {
5177                 VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,      //      VkStructureType                                                         sType;
5178                 DE_NULL,                                                                                                        //      const void*                                                                     pNext;
5179                 (VkPipelineVertexInputStateCreateFlags)0,
5180                 1u,                                                                                                                     //      deUint32                                                                        bindingCount;
5181                 &vertexBinding0,                                                                                        //      const VkVertexInputBindingDescription*          pVertexBindingDescriptions;
5182                 2u,                                                                                                                     //      deUint32                                                                        attributeCount;
5183                 vertexAttrib0,                                                                                          //      const VkVertexInputAttributeDescription*        pVertexAttributeDescriptions;
5184         };
5185         const VkPipelineColorBlendAttachmentState       attBlendParams                  =
5186         {
5187                 DE_FALSE,                                                                                                       //      deUint32                blendEnable;
5188                 VK_BLEND_FACTOR_ONE,                                                                            //      VkBlend                 srcBlendColor;
5189                 VK_BLEND_FACTOR_ZERO,                                                                           //      VkBlend                 destBlendColor;
5190                 VK_BLEND_OP_ADD,                                                                                        //      VkBlendOp               blendOpColor;
5191                 VK_BLEND_FACTOR_ONE,                                                                            //      VkBlend                 srcBlendAlpha;
5192                 VK_BLEND_FACTOR_ZERO,                                                                           //      VkBlend                 destBlendAlpha;
5193                 VK_BLEND_OP_ADD,                                                                                        //      VkBlendOp               blendOpAlpha;
5194                 (VK_COLOR_COMPONENT_R_BIT|
5195                  VK_COLOR_COMPONENT_G_BIT|
5196                  VK_COLOR_COMPONENT_B_BIT|
5197                  VK_COLOR_COMPONENT_A_BIT),                                                                     //      VkChannelFlags  channelWriteMask;
5198         };
5199         const VkPipelineColorBlendStateCreateInfo       blendParams                             =
5200         {
5201                 VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,       //      VkStructureType                                                         sType;
5202                 DE_NULL,                                                                                                        //      const void*                                                                     pNext;
5203                 (VkPipelineColorBlendStateCreateFlags)0,
5204                 DE_FALSE,                                                                                                       //      VkBool32                                                                        logicOpEnable;
5205                 VK_LOGIC_OP_COPY,                                                                                       //      VkLogicOp                                                                       logicOp;
5206                 1u,                                                                                                                     //      deUint32                                                                        attachmentCount;
5207                 &attBlendParams,                                                                                        //      const VkPipelineColorBlendAttachmentState*      pAttachments;
5208                 { 0.0f, 0.0f, 0.0f, 0.0f },                                                                     //      float                                                                           blendConst[4];
5209         };
5210         const VkPipelineTessellationStateCreateInfo     tessellationState       =
5211         {
5212                 VK_STRUCTURE_TYPE_PIPELINE_TESSELLATION_STATE_CREATE_INFO,
5213                 DE_NULL,
5214                 (VkPipelineTessellationStateCreateFlags)0,
5215                 3u
5216         };
5217
5218         const VkPipelineTessellationStateCreateInfo* tessellationInfo   =       hasTessellation ? &tessellationState: DE_NULL;
5219         const VkGraphicsPipelineCreateInfo              pipelineParams                  =
5220         {
5221                 VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,                //      VkStructureType                                                                 sType;
5222                 DE_NULL,                                                                                                //      const void*                                                                             pNext;
5223                 0u,                                                                                                             //      VkPipelineCreateFlags                                                   flags;
5224                 (deUint32)shaderStageParams.size(),                                             //      deUint32                                                                                stageCount;
5225                 &shaderStageParams[0],                                                                  //      const VkPipelineShaderStageCreateInfo*                  pStages;
5226                 &vertexInputStateParams,                                                                //      const VkPipelineVertexInputStateCreateInfo*             pVertexInputState;
5227                 &inputAssemblyParams,                                                                   //      const VkPipelineInputAssemblyStateCreateInfo*   pInputAssemblyState;
5228                 tessellationInfo,                                                                               //      const VkPipelineTessellationStateCreateInfo*    pTessellationState;
5229                 &viewportParams,                                                                                //      const VkPipelineViewportStateCreateInfo*                pViewportState;
5230                 &rasterParams,                                                                                  //      const VkPipelineRasterStateCreateInfo*                  pRasterState;
5231                 &multisampleParams,                                                                             //      const VkPipelineMultisampleStateCreateInfo*             pMultisampleState;
5232                 &depthStencilParams,                                                                    //      const VkPipelineDepthStencilStateCreateInfo*    pDepthStencilState;
5233                 &blendParams,                                                                                   //      const VkPipelineColorBlendStateCreateInfo*              pColorBlendState;
5234                 (const VkPipelineDynamicStateCreateInfo*)DE_NULL,               //      const VkPipelineDynamicStateCreateInfo*                 pDynamicState;
5235                 *pipelineLayout,                                                                                //      VkPipelineLayout                                                                layout;
5236                 *renderPass,                                                                                    //      VkRenderPass                                                                    renderPass;
5237                 0u,                                                                                                             //      deUint32                                                                                subpass;
5238                 DE_NULL,                                                                                                //      VkPipeline                                                                              basePipelineHandle;
5239                 0u,                                                                                                             //      deInt32                                                                                 basePipelineIndex;
5240         };
5241
5242         const Unique<VkPipeline>                                pipeline                                (createGraphicsPipeline(vk, vkDevice, DE_NULL, &pipelineParams));
5243
5244         // Framebuffer
5245         const VkFramebufferCreateInfo                   framebufferParams               =
5246         {
5247                 VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,                              //      VkStructureType         sType;
5248                 DE_NULL,                                                                                                //      const void*                     pNext;
5249                 (VkFramebufferCreateFlags)0,
5250                 *renderPass,                                                                                    //      VkRenderPass            renderPass;
5251                 1u,                                                                                                             //      deUint32                        attachmentCount;
5252                 &*colorAttView,                                                                                 //      const VkImageView*      pAttachments;
5253                 (deUint32)renderSize.x(),                                                               //      deUint32                        width;
5254                 (deUint32)renderSize.y(),                                                               //      deUint32                        height;
5255                 1u,                                                                                                             //      deUint32                        layers;
5256         };
5257         const Unique<VkFramebuffer>                             framebuffer                             (createFramebuffer(vk, vkDevice, &framebufferParams));
5258
5259         const VkCommandPoolCreateInfo                   cmdPoolParams                   =
5260         {
5261                 VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,                                     //      VkStructureType                 sType;
5262                 DE_NULL,                                                                                                        //      const void*                             pNext;
5263                 VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,                                //      VkCmdPoolCreateFlags    flags;
5264                 queueFamilyIndex,                                                                                       //      deUint32                                queueFamilyIndex;
5265         };
5266         const Unique<VkCommandPool>                             cmdPool                                 (createCommandPool(vk, vkDevice, &cmdPoolParams));
5267
5268         // Command buffer
5269         const VkCommandBufferAllocateInfo               cmdBufParams                    =
5270         {
5271                 VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,                 //      VkStructureType                 sType;
5272                 DE_NULL,                                                                                                //      const void*                             pNext;
5273                 *cmdPool,                                                                                               //      VkCmdPool                               pool;
5274                 VK_COMMAND_BUFFER_LEVEL_PRIMARY,                                                //      VkCmdBufferLevel                level;
5275                 1u,                                                                                                             //      deUint32                                count;
5276         };
5277         const Unique<VkCommandBuffer>                   cmdBuf                                  (allocateCommandBuffer(vk, vkDevice, &cmdBufParams));
5278
5279         const VkCommandBufferBeginInfo                  cmdBufBeginParams               =
5280         {
5281                 VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,                    //      VkStructureType                         sType;
5282                 DE_NULL,                                                                                                //      const void*                                     pNext;
5283                 (VkCommandBufferUsageFlags)0,
5284                 (const VkCommandBufferInheritanceInfo*)DE_NULL,
5285         };
5286
5287         // Record commands
5288         VK_CHECK(vk.beginCommandBuffer(*cmdBuf, &cmdBufBeginParams));
5289
5290         {
5291                 const VkMemoryBarrier           vertFlushBarrier        =
5292                 {
5293                         VK_STRUCTURE_TYPE_MEMORY_BARRIER,                       //      VkStructureType         sType;
5294                         DE_NULL,                                                                        //      const void*                     pNext;
5295                         VK_ACCESS_HOST_WRITE_BIT,                                       //      VkMemoryOutputFlags     outputMask;
5296                         VK_ACCESS_VERTEX_ATTRIBUTE_READ_BIT,            //      VkMemoryInputFlags      inputMask;
5297                 };
5298                 const VkImageMemoryBarrier      colorAttBarrier         =
5299                 {
5300                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         //      VkStructureType                 sType;
5301                         DE_NULL,                                                                        //      const void*                             pNext;
5302                         0u,                                                                                     //      VkMemoryOutputFlags             outputMask;
5303                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,           //      VkMemoryInputFlags              inputMask;
5304                         VK_IMAGE_LAYOUT_UNDEFINED,                                      //      VkImageLayout                   oldLayout;
5305                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       //      VkImageLayout                   newLayout;
5306                         queueFamilyIndex,                                                       //      deUint32                                srcQueueFamilyIndex;
5307                         queueFamilyIndex,                                                       //      deUint32                                destQueueFamilyIndex;
5308                         *image,                                                                         //      VkImage                                 image;
5309                         {
5310                                 VK_IMAGE_ASPECT_COLOR_BIT,                                      //      VkImageAspect   aspect;
5311                                 0u,                                                                                     //      deUint32                baseMipLevel;
5312                                 1u,                                                                                     //      deUint32                mipLevels;
5313                                 0u,                                                                                     //      deUint32                baseArraySlice;
5314                                 1u,                                                                                     //      deUint32                arraySize;
5315                         }                                                                                       //      VkImageSubresourceRange subresourceRange;
5316                 };
5317                 vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_HOST_BIT, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, (VkDependencyFlags)0, 1, &vertFlushBarrier, 0, (const VkBufferMemoryBarrier*)DE_NULL, 1, &colorAttBarrier);
5318         }
5319
5320         {
5321                 const VkClearValue                      clearValue              = makeClearValueColorF32(0.125f, 0.25f, 0.75f, 1.0f);
5322                 const VkRenderPassBeginInfo     passBeginParams =
5323                 {
5324                         VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,                       //      VkStructureType         sType;
5325                         DE_NULL,                                                                                        //      const void*                     pNext;
5326                         *renderPass,                                                                            //      VkRenderPass            renderPass;
5327                         *framebuffer,                                                                           //      VkFramebuffer           framebuffer;
5328                         { { 0, 0 }, { renderSize.x(), renderSize.y() } },       //      VkRect2D                        renderArea;
5329                         1u,                                                                                                     //      deUint32                        clearValueCount;
5330                         &clearValue,                                                                            //      const VkClearValue*     pClearValues;
5331                 };
5332                 vk.cmdBeginRenderPass(*cmdBuf, &passBeginParams, VK_SUBPASS_CONTENTS_INLINE);
5333         }
5334
5335         vk.cmdBindPipeline(*cmdBuf, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline);
5336         {
5337                 const VkDeviceSize bindingOffset = 0;
5338                 vk.cmdBindVertexBuffers(*cmdBuf, 0u, 1u, &vertexBuffer.get(), &bindingOffset);
5339         }
5340         vk.cmdDraw(*cmdBuf, deUint32(vertexCount), 1u /*run pipeline once*/, 0u /*first vertex*/, 0u /*first instanceIndex*/);
5341         vk.cmdEndRenderPass(*cmdBuf);
5342
5343         {
5344                 const VkImageMemoryBarrier      renderFinishBarrier     =
5345                 {
5346                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         //      VkStructureType                 sType;
5347                         DE_NULL,                                                                        //      const void*                             pNext;
5348                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,           //      VkMemoryOutputFlags             outputMask;
5349                         VK_ACCESS_TRANSFER_READ_BIT,                            //      VkMemoryInputFlags              inputMask;
5350                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       //      VkImageLayout                   oldLayout;
5351                         VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,           //      VkImageLayout                   newLayout;
5352                         queueFamilyIndex,                                                       //      deUint32                                srcQueueFamilyIndex;
5353                         queueFamilyIndex,                                                       //      deUint32                                destQueueFamilyIndex;
5354                         *image,                                                                         //      VkImage                                 image;
5355                         {
5356                                 VK_IMAGE_ASPECT_COLOR_BIT,                                      //      VkImageAspectFlags      aspectMask;
5357                                 0u,                                                                                     //      deUint32                        baseMipLevel;
5358                                 1u,                                                                                     //      deUint32                        mipLevels;
5359                                 0u,                                                                                     //      deUint32                        baseArraySlice;
5360                                 1u,                                                                                     //      deUint32                        arraySize;
5361                         }                                                                                       //      VkImageSubresourceRange subresourceRange;
5362                 };
5363                 vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 0, (const VkBufferMemoryBarrier*)DE_NULL, 1, &renderFinishBarrier);
5364         }
5365
5366         {
5367                 const VkBufferImageCopy copyParams      =
5368                 {
5369                         (VkDeviceSize)0u,                                               //      VkDeviceSize                    bufferOffset;
5370                         (deUint32)renderSize.x(),                               //      deUint32                                bufferRowLength;
5371                         (deUint32)renderSize.y(),                               //      deUint32                                bufferImageHeight;
5372                         {
5373                                 VK_IMAGE_ASPECT_COLOR_BIT,                              //      VkImageAspect           aspect;
5374                                 0u,                                                                             //      deUint32                        mipLevel;
5375                                 0u,                                                                             //      deUint32                        arrayLayer;
5376                                 1u,                                                                             //      deUint32                        arraySize;
5377                         },                                                                              //      VkImageSubresourceCopy  imageSubresource;
5378                         { 0u, 0u, 0u },                                                 //      VkOffset3D                              imageOffset;
5379                         { renderSize.x(), renderSize.y(), 1u }  //      VkExtent3D                              imageExtent;
5380                 };
5381                 vk.cmdCopyImageToBuffer(*cmdBuf, *image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *readImageBuffer, 1u, &copyParams);
5382         }
5383
5384         {
5385                 const VkBufferMemoryBarrier     copyFinishBarrier       =
5386                 {
5387                         VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,        //      VkStructureType         sType;
5388                         DE_NULL,                                                                        //      const void*                     pNext;
5389                         VK_ACCESS_TRANSFER_WRITE_BIT,                           //      VkMemoryOutputFlags     outputMask;
5390                         VK_ACCESS_HOST_READ_BIT,                                        //      VkMemoryInputFlags      inputMask;
5391                         queueFamilyIndex,                                                       //      deUint32                        srcQueueFamilyIndex;
5392                         queueFamilyIndex,                                                       //      deUint32                        destQueueFamilyIndex;
5393                         *readImageBuffer,                                                       //      VkBuffer                        buffer;
5394                         0u,                                                                                     //      VkDeviceSize            offset;
5395                         imageSizeBytes                                                          //      VkDeviceSize            size;
5396                 };
5397                 vk.cmdPipelineBarrier(*cmdBuf, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, (VkDependencyFlags)0, 0, (const VkMemoryBarrier*)DE_NULL, 1, &copyFinishBarrier, 0, (const VkImageMemoryBarrier*)DE_NULL);
5398         }
5399
5400         VK_CHECK(vk.endCommandBuffer(*cmdBuf));
5401
5402         // Upload vertex data
5403         {
5404                 const VkMappedMemoryRange       range                   =
5405                 {
5406                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
5407                         DE_NULL,                                                                //      const void*             pNext;
5408                         vertexBufferMemory->getMemory(),                //      VkDeviceMemory  mem;
5409                         0,                                                                              //      VkDeviceSize    offset;
5410                         (VkDeviceSize)sizeof(vertexData),               //      VkDeviceSize    size;
5411                 };
5412                 void*                                           vertexBufPtr    = vertexBufferMemory->getHostPtr();
5413
5414                 deMemcpy(vertexBufPtr, &vertexData[0], sizeof(vertexData));
5415                 VK_CHECK(vk.flushMappedMemoryRanges(vkDevice, 1u, &range));
5416         }
5417
5418         // Submit & wait for completion
5419         {
5420                 const VkFenceCreateInfo fenceParams     =
5421                 {
5422                         VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,    //      VkStructureType         sType;
5423                         DE_NULL,                                                                //      const void*                     pNext;
5424                         0u,                                                                             //      VkFenceCreateFlags      flags;
5425                 };
5426                 const Unique<VkFence>   fence           (createFence(vk, vkDevice, &fenceParams));
5427                 const VkSubmitInfo              submitInfo      =
5428                 {
5429                         VK_STRUCTURE_TYPE_SUBMIT_INFO,
5430                         DE_NULL,
5431                         0u,
5432                         (const VkSemaphore*)DE_NULL,
5433                         (const VkPipelineStageFlags*)DE_NULL,
5434                         1u,
5435                         &cmdBuf.get(),
5436                         0u,
5437                         (const VkSemaphore*)DE_NULL,
5438                 };
5439
5440                 VK_CHECK(vk.queueSubmit(queue, 1u, &submitInfo, *fence));
5441                 VK_CHECK(vk.waitForFences(vkDevice, 1u, &fence.get(), DE_TRUE, ~0ull));
5442         }
5443
5444         const void* imagePtr    = readImageBufferMemory->getHostPtr();
5445         const tcu::ConstPixelBufferAccess pixelBuffer(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8),
5446                                                                                                   renderSize.x(), renderSize.y(), 1, imagePtr);
5447         // Log image
5448         {
5449                 const VkMappedMemoryRange       range           =
5450                 {
5451                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  //      VkStructureType sType;
5452                         DE_NULL,                                                                //      const void*             pNext;
5453                         readImageBufferMemory->getMemory(),             //      VkDeviceMemory  mem;
5454                         0,                                                                              //      VkDeviceSize    offset;
5455                         imageSizeBytes,                                                 //      VkDeviceSize    size;
5456                 };
5457
5458                 VK_CHECK(vk.invalidateMappedMemoryRanges(vkDevice, 1u, &range));
5459                 context.getTestContext().getLog() << TestLog::Image("Result", "Result", pixelBuffer);
5460         }
5461
5462         const RGBA threshold(1, 1, 1, 1);
5463         const RGBA upperLeft(pixelBuffer.getPixel(1, 1));
5464         if (!tcu::compareThreshold(upperLeft, instance.outputColors[0], threshold))
5465                 return TestStatus::fail("Upper left corner mismatch");
5466
5467         const RGBA upperRight(pixelBuffer.getPixel(pixelBuffer.getWidth() - 1, 1));
5468         if (!tcu::compareThreshold(upperRight, instance.outputColors[1], threshold))
5469                 return TestStatus::fail("Upper right corner mismatch");
5470
5471         const RGBA lowerLeft(pixelBuffer.getPixel(1, pixelBuffer.getHeight() - 1));
5472         if (!tcu::compareThreshold(lowerLeft, instance.outputColors[2], threshold))
5473                 return TestStatus::fail("Lower left corner mismatch");
5474
5475         const RGBA lowerRight(pixelBuffer.getPixel(pixelBuffer.getWidth() - 1, pixelBuffer.getHeight() - 1));
5476         if (!tcu::compareThreshold(lowerRight, instance.outputColors[3], threshold))
5477                 return TestStatus::fail("Lower right corner mismatch");
5478
5479         return TestStatus::pass("Rendered output matches input");
5480 }
5481
5482 void createTestsForAllStages (const std::string& name, const RGBA (&inputColors)[4], const RGBA (&outputColors)[4], const map<string, string>& testCodeFragments, const vector<deInt32>& specConstants, tcu::TestCaseGroup* tests)
5483 {
5484         const ShaderElement             vertFragPipelineStages[]                =
5485         {
5486                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
5487                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
5488         };
5489
5490         const ShaderElement             tessPipelineStages[]                    =
5491         {
5492                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
5493                 ShaderElement("tessc", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
5494                 ShaderElement("tesse", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
5495                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
5496         };
5497
5498         const ShaderElement             geomPipelineStages[]                            =
5499         {
5500                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
5501                 ShaderElement("geom", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
5502                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
5503         };
5504
5505         StageToSpecConstantMap  specConstantMap;
5506
5507         specConstantMap[VK_SHADER_STAGE_VERTEX_BIT] = specConstants;
5508         addFunctionCaseWithPrograms<InstanceContext>(tests, name + "_vert", "", addShaderCodeCustomVertex, runAndVerifyDefaultPipeline,
5509                                                                                                  createInstanceContext(vertFragPipelineStages, inputColors, outputColors, testCodeFragments, specConstantMap));
5510
5511         specConstantMap.clear();
5512         specConstantMap[VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT] = specConstants;
5513         addFunctionCaseWithPrograms<InstanceContext>(tests, name + "_tessc", "", addShaderCodeCustomTessControl, runAndVerifyDefaultPipeline,
5514                                                                                                  createInstanceContext(tessPipelineStages, inputColors, outputColors, testCodeFragments, specConstantMap));
5515
5516         specConstantMap.clear();
5517         specConstantMap[VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT] = specConstants;
5518         addFunctionCaseWithPrograms<InstanceContext>(tests, name + "_tesse", "", addShaderCodeCustomTessEval, runAndVerifyDefaultPipeline,
5519                                                                                                  createInstanceContext(tessPipelineStages, inputColors, outputColors, testCodeFragments, specConstantMap));
5520
5521         specConstantMap.clear();
5522         specConstantMap[VK_SHADER_STAGE_GEOMETRY_BIT] = specConstants;
5523         addFunctionCaseWithPrograms<InstanceContext>(tests, name + "_geom", "", addShaderCodeCustomGeometry, runAndVerifyDefaultPipeline,
5524                                                                                                  createInstanceContext(geomPipelineStages, inputColors, outputColors, testCodeFragments, specConstantMap));
5525
5526         specConstantMap.clear();
5527         specConstantMap[VK_SHADER_STAGE_FRAGMENT_BIT] = specConstants;
5528         addFunctionCaseWithPrograms<InstanceContext>(tests, name + "_frag", "", addShaderCodeCustomFragment, runAndVerifyDefaultPipeline,
5529                                                                                                  createInstanceContext(vertFragPipelineStages, inputColors, outputColors, testCodeFragments, specConstantMap));
5530 }
5531
5532 inline void createTestsForAllStages (const std::string& name, const RGBA (&inputColors)[4], const RGBA (&outputColors)[4], const map<string, string>& testCodeFragments, tcu::TestCaseGroup* tests)
5533 {
5534         vector<deInt32> noSpecConstants;
5535         createTestsForAllStages(name, inputColors, outputColors, testCodeFragments, noSpecConstants, tests);
5536 }
5537
5538 } // anonymous
5539
5540 tcu::TestCaseGroup* createOpSourceTests (tcu::TestContext& testCtx)
5541 {
5542         struct NameCodePair { string name, code; };
5543         RGBA                                                    defaultColors[4];
5544         de::MovePtr<tcu::TestCaseGroup> opSourceTests                   (new tcu::TestCaseGroup(testCtx, "opsource", "OpSource instruction"));
5545         const std::string                               opsourceGLSLWithFile    = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile ";
5546         map<string, string>                             fragments                               = passthruFragments();
5547         const NameCodePair                              tests[]                                 =
5548         {
5549                 {"unknown", "OpSource Unknown 321"},
5550                 {"essl", "OpSource ESSL 310"},
5551                 {"glsl", "OpSource GLSL 450"},
5552                 {"opencl_cpp", "OpSource OpenCL_CPP 120"},
5553                 {"opencl_c", "OpSource OpenCL_C 120"},
5554                 {"multiple", "OpSource GLSL 450\nOpSource GLSL 450"},
5555                 {"file", opsourceGLSLWithFile},
5556                 {"source", opsourceGLSLWithFile + "\"void main(){}\""},
5557                 // Longest possible source string: SPIR-V limits instructions to 65535
5558                 // words, of which the first 4 are opsourceGLSLWithFile; the rest will
5559                 // contain 65530 UTF8 characters (one word each) plus one last word
5560                 // containing 3 ASCII characters and \0.
5561                 {"longsource", opsourceGLSLWithFile + '"' + makeLongUTF8String(65530) + "ccc" + '"'}
5562         };
5563
5564         getDefaultColors(defaultColors);
5565         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
5566         {
5567                 fragments["debug"] = tests[testNdx].code;
5568                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
5569         }
5570
5571         return opSourceTests.release();
5572 }
5573
5574 tcu::TestCaseGroup* createOpSourceContinuedTests (tcu::TestContext& testCtx)
5575 {
5576         struct NameCodePair { string name, code; };
5577         RGBA                                                            defaultColors[4];
5578         de::MovePtr<tcu::TestCaseGroup>         opSourceTests           (new tcu::TestCaseGroup(testCtx, "opsourcecontinued", "OpSourceContinued instruction"));
5579         map<string, string>                                     fragments                       = passthruFragments();
5580         const std::string                                       opsource                        = "%opsrcfile = OpString \"foo.vert\"\nOpSource GLSL 450 %opsrcfile \"void main(){}\"\n";
5581         const NameCodePair                                      tests[]                         =
5582         {
5583                 {"empty", opsource + "OpSourceContinued \"\""},
5584                 {"short", opsource + "OpSourceContinued \"abcde\""},
5585                 {"multiple", opsource + "OpSourceContinued \"abcde\"\nOpSourceContinued \"fghij\""},
5586                 // Longest possible source string: SPIR-V limits instructions to 65535
5587                 // words, of which the first one is OpSourceContinued/length; the rest
5588                 // will contain 65533 UTF8 characters (one word each) plus one last word
5589                 // containing 3 ASCII characters and \0.
5590                 {"long", opsource + "OpSourceContinued \"" + makeLongUTF8String(65533) + "ccc\""}
5591         };
5592
5593         getDefaultColors(defaultColors);
5594         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
5595         {
5596                 fragments["debug"] = tests[testNdx].code;
5597                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opSourceTests.get());
5598         }
5599
5600         return opSourceTests.release();
5601 }
5602
5603 tcu::TestCaseGroup* createOpNoLineTests(tcu::TestContext& testCtx)
5604 {
5605         RGBA                                                             defaultColors[4];
5606         de::MovePtr<tcu::TestCaseGroup>          opLineTests             (new tcu::TestCaseGroup(testCtx, "opnoline", "OpNoLine instruction"));
5607         map<string, string>                                      fragments;
5608         getDefaultColors(defaultColors);
5609         fragments["debug"]                      =
5610                 "%name = OpString \"name\"\n";
5611
5612         fragments["pre_main"]   =
5613                 "OpNoLine\n"
5614                 "OpNoLine\n"
5615                 "OpLine %name 1 1\n"
5616                 "OpNoLine\n"
5617                 "OpLine %name 1 1\n"
5618                 "OpLine %name 1 1\n"
5619                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
5620                 "OpNoLine\n"
5621                 "OpLine %name 1 1\n"
5622                 "OpNoLine\n"
5623                 "OpLine %name 1 1\n"
5624                 "OpLine %name 1 1\n"
5625                 "%second_param1 = OpFunctionParameter %v4f32\n"
5626                 "OpNoLine\n"
5627                 "OpNoLine\n"
5628                 "%label_secondfunction = OpLabel\n"
5629                 "OpNoLine\n"
5630                 "OpReturnValue %second_param1\n"
5631                 "OpFunctionEnd\n"
5632                 "OpNoLine\n"
5633                 "OpNoLine\n";
5634
5635         fragments["testfun"]            =
5636                 // A %test_code function that returns its argument unchanged.
5637                 "OpNoLine\n"
5638                 "OpNoLine\n"
5639                 "OpLine %name 1 1\n"
5640                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5641                 "OpNoLine\n"
5642                 "%param1 = OpFunctionParameter %v4f32\n"
5643                 "OpNoLine\n"
5644                 "OpNoLine\n"
5645                 "%label_testfun = OpLabel\n"
5646                 "OpNoLine\n"
5647                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
5648                 "OpReturnValue %val1\n"
5649                 "OpFunctionEnd\n"
5650                 "OpLine %name 1 1\n"
5651                 "OpNoLine\n";
5652
5653         createTestsForAllStages("opnoline", defaultColors, defaultColors, fragments, opLineTests.get());
5654
5655         return opLineTests.release();
5656 }
5657
5658
5659 tcu::TestCaseGroup* createOpLineTests(tcu::TestContext& testCtx)
5660 {
5661         RGBA                                                                                                    defaultColors[4];
5662         de::MovePtr<tcu::TestCaseGroup>                                                 opLineTests                     (new tcu::TestCaseGroup(testCtx, "opline", "OpLine instruction"));
5663         map<string, string>                                                                             fragments;
5664         std::vector<std::pair<std::string, std::string> >               problemStrings;
5665
5666         problemStrings.push_back(std::make_pair<std::string, std::string>("empty_name", ""));
5667         problemStrings.push_back(std::make_pair<std::string, std::string>("short_name", "short_name"));
5668         problemStrings.push_back(std::make_pair<std::string, std::string>("long_name", makeLongUTF8String(65530) + "ccc"));
5669         getDefaultColors(defaultColors);
5670
5671         fragments["debug"]                      =
5672                 "%other_name = OpString \"other_name\"\n";
5673
5674         fragments["pre_main"]   =
5675                 "OpLine %file_name 32 0\n"
5676                 "OpLine %file_name 32 32\n"
5677                 "OpLine %file_name 32 40\n"
5678                 "OpLine %other_name 32 40\n"
5679                 "OpLine %other_name 0 100\n"
5680                 "OpLine %other_name 0 4294967295\n"
5681                 "OpLine %other_name 4294967295 0\n"
5682                 "OpLine %other_name 32 40\n"
5683                 "OpLine %file_name 0 0\n"
5684                 "%second_function = OpFunction %v4f32 None %v4f32_function\n"
5685                 "OpLine %file_name 1 0\n"
5686                 "%second_param1 = OpFunctionParameter %v4f32\n"
5687                 "OpLine %file_name 1 3\n"
5688                 "OpLine %file_name 1 2\n"
5689                 "%label_secondfunction = OpLabel\n"
5690                 "OpLine %file_name 0 2\n"
5691                 "OpReturnValue %second_param1\n"
5692                 "OpFunctionEnd\n"
5693                 "OpLine %file_name 0 2\n"
5694                 "OpLine %file_name 0 2\n";
5695
5696         fragments["testfun"]            =
5697                 // A %test_code function that returns its argument unchanged.
5698                 "OpLine %file_name 1 0\n"
5699                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5700                 "OpLine %file_name 16 330\n"
5701                 "%param1 = OpFunctionParameter %v4f32\n"
5702                 "OpLine %file_name 14 442\n"
5703                 "%label_testfun = OpLabel\n"
5704                 "OpLine %file_name 11 1024\n"
5705                 "%val1 = OpFunctionCall %v4f32 %second_function %param1\n"
5706                 "OpLine %file_name 2 97\n"
5707                 "OpReturnValue %val1\n"
5708                 "OpFunctionEnd\n"
5709                 "OpLine %file_name 5 32\n";
5710
5711         for (size_t i = 0; i < problemStrings.size(); ++i)
5712         {
5713                 map<string, string> testFragments = fragments;
5714                 testFragments["debug"] += "%file_name = OpString \"" + problemStrings[i].second + "\"\n";
5715                 createTestsForAllStages(string("opline") + "_" + problemStrings[i].first, defaultColors, defaultColors, testFragments, opLineTests.get());
5716         }
5717
5718         return opLineTests.release();
5719 }
5720
5721 tcu::TestCaseGroup* createOpConstantNullTests(tcu::TestContext& testCtx)
5722 {
5723         de::MovePtr<tcu::TestCaseGroup> opConstantNullTests             (new tcu::TestCaseGroup(testCtx, "opconstantnull", "OpConstantNull instruction"));
5724         RGBA                                                    colors[4];
5725
5726
5727         const char                                              functionStart[] =
5728                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5729                 "%param1 = OpFunctionParameter %v4f32\n"
5730                 "%lbl    = OpLabel\n";
5731
5732         const char                                              functionEnd[]   =
5733                 "OpReturnValue %transformed_param\n"
5734                 "OpFunctionEnd\n";
5735
5736         struct NameConstantsCode
5737         {
5738                 string name;
5739                 string constants;
5740                 string code;
5741         };
5742
5743         NameConstantsCode tests[] =
5744         {
5745                 {
5746                         "vec4",
5747                         "%cnull = OpConstantNull %v4f32\n",
5748                         "%transformed_param = OpFAdd %v4f32 %param1 %cnull\n"
5749                 },
5750                 {
5751                         "float",
5752                         "%cnull = OpConstantNull %f32\n",
5753                         "%vp = OpVariable %fp_v4f32 Function\n"
5754                         "%v  = OpLoad %v4f32 %vp\n"
5755                         "%v0 = OpVectorInsertDynamic %v4f32 %v %cnull %c_i32_0\n"
5756                         "%v1 = OpVectorInsertDynamic %v4f32 %v0 %cnull %c_i32_1\n"
5757                         "%v2 = OpVectorInsertDynamic %v4f32 %v1 %cnull %c_i32_2\n"
5758                         "%v3 = OpVectorInsertDynamic %v4f32 %v2 %cnull %c_i32_3\n"
5759                         "%transformed_param = OpFAdd %v4f32 %param1 %v3\n"
5760                 },
5761                 {
5762                         "bool",
5763                         "%cnull             = OpConstantNull %bool\n",
5764                         "%v                 = OpVariable %fp_v4f32 Function\n"
5765                         "                     OpStore %v %param1\n"
5766                         "                     OpSelectionMerge %false_label None\n"
5767                         "                     OpBranchConditional %cnull %true_label %false_label\n"
5768                         "%true_label        = OpLabel\n"
5769                         "                     OpStore %v %c_v4f32_0_5_0_5_0_5_0_5\n"
5770                         "                     OpBranch %false_label\n"
5771                         "%false_label       = OpLabel\n"
5772                         "%transformed_param = OpLoad %v4f32 %v\n"
5773                 },
5774                 {
5775                         "i32",
5776                         "%cnull             = OpConstantNull %i32\n",
5777                         "%v                 = OpVariable %fp_v4f32 Function %c_v4f32_0_5_0_5_0_5_0_5\n"
5778                         "%b                 = OpIEqual %bool %cnull %c_i32_0\n"
5779                         "                     OpSelectionMerge %false_label None\n"
5780                         "                     OpBranchConditional %b %true_label %false_label\n"
5781                         "%true_label        = OpLabel\n"
5782                         "                     OpStore %v %param1\n"
5783                         "                     OpBranch %false_label\n"
5784                         "%false_label       = OpLabel\n"
5785                         "%transformed_param = OpLoad %v4f32 %v\n"
5786                 },
5787                 {
5788                         "struct",
5789                         "%stype             = OpTypeStruct %f32 %v4f32\n"
5790                         "%fp_stype          = OpTypePointer Function %stype\n"
5791                         "%cnull             = OpConstantNull %stype\n",
5792                         "%v                 = OpVariable %fp_stype Function %cnull\n"
5793                         "%f                 = OpAccessChain %fp_v4f32 %v %c_i32_1\n"
5794                         "%f_val             = OpLoad %v4f32 %f\n"
5795                         "%transformed_param = OpFAdd %v4f32 %param1 %f_val\n"
5796                 },
5797                 {
5798                         "array",
5799                         "%a4_v4f32          = OpTypeArray %v4f32 %c_u32_4\n"
5800                         "%fp_a4_v4f32       = OpTypePointer Function %a4_v4f32\n"
5801                         "%cnull             = OpConstantNull %a4_v4f32\n",
5802                         "%v                 = OpVariable %fp_a4_v4f32 Function %cnull\n"
5803                         "%f                 = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
5804                         "%f1                = OpAccessChain %fp_v4f32 %v %c_u32_1\n"
5805                         "%f2                = OpAccessChain %fp_v4f32 %v %c_u32_2\n"
5806                         "%f3                = OpAccessChain %fp_v4f32 %v %c_u32_3\n"
5807                         "%f_val             = OpLoad %v4f32 %f\n"
5808                         "%f1_val            = OpLoad %v4f32 %f1\n"
5809                         "%f2_val            = OpLoad %v4f32 %f2\n"
5810                         "%f3_val            = OpLoad %v4f32 %f3\n"
5811                         "%t0                = OpFAdd %v4f32 %param1 %f_val\n"
5812                         "%t1                = OpFAdd %v4f32 %t0 %f1_val\n"
5813                         "%t2                = OpFAdd %v4f32 %t1 %f2_val\n"
5814                         "%transformed_param = OpFAdd %v4f32 %t2 %f3_val\n"
5815                 },
5816                 {
5817                         "matrix",
5818                         "%mat4x4_f32        = OpTypeMatrix %v4f32 4\n"
5819                         "%cnull             = OpConstantNull %mat4x4_f32\n",
5820                         // Our null matrix * any vector should result in a zero vector.
5821                         "%v                 = OpVectorTimesMatrix %v4f32 %param1 %cnull\n"
5822                         "%transformed_param = OpFAdd %v4f32 %param1 %v\n"
5823                 }
5824         };
5825
5826         getHalfColorsFullAlpha(colors);
5827
5828         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
5829         {
5830                 map<string, string> fragments;
5831                 fragments["pre_main"] = tests[testNdx].constants;
5832                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
5833                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, opConstantNullTests.get());
5834         }
5835         return opConstantNullTests.release();
5836 }
5837 tcu::TestCaseGroup* createOpConstantCompositeTests(tcu::TestContext& testCtx)
5838 {
5839         de::MovePtr<tcu::TestCaseGroup> opConstantCompositeTests                (new tcu::TestCaseGroup(testCtx, "opconstantcomposite", "OpConstantComposite instruction"));
5840         RGBA                                                    inputColors[4];
5841         RGBA                                                    outputColors[4];
5842
5843
5844         const char                                              functionStart[]  =
5845                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5846                 "%param1 = OpFunctionParameter %v4f32\n"
5847                 "%lbl    = OpLabel\n";
5848
5849         const char                                              functionEnd[]           =
5850                 "OpReturnValue %transformed_param\n"
5851                 "OpFunctionEnd\n";
5852
5853         struct NameConstantsCode
5854         {
5855                 string name;
5856                 string constants;
5857                 string code;
5858         };
5859
5860         NameConstantsCode tests[] =
5861         {
5862                 {
5863                         "vec4",
5864
5865                         "%cval              = OpConstantComposite %v4f32 %c_f32_0_5 %c_f32_0_5 %c_f32_0_5 %c_f32_0\n",
5866                         "%transformed_param = OpFAdd %v4f32 %param1 %cval\n"
5867                 },
5868                 {
5869                         "struct",
5870
5871                         "%stype             = OpTypeStruct %v4f32 %f32\n"
5872                         "%fp_stype          = OpTypePointer Function %stype\n"
5873                         "%f32_n_1           = OpConstant %f32 -1.0\n"
5874                         "%f32_1_5           = OpConstant %f32 !0x3fc00000\n" // +1.5
5875                         "%cvec              = OpConstantComposite %v4f32 %f32_1_5 %f32_1_5 %f32_1_5 %c_f32_1\n"
5876                         "%cval              = OpConstantComposite %stype %cvec %f32_n_1\n",
5877
5878                         "%v                 = OpVariable %fp_stype Function %cval\n"
5879                         "%vec_ptr           = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
5880                         "%f32_ptr           = OpAccessChain %fp_f32 %v %c_u32_1\n"
5881                         "%vec_val           = OpLoad %v4f32 %vec_ptr\n"
5882                         "%f32_val           = OpLoad %f32 %f32_ptr\n"
5883                         "%tmp1              = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_1 %f32_val\n" // vec4(-1)
5884                         "%tmp2              = OpFAdd %v4f32 %tmp1 %param1\n" // param1 + vec4(-1)
5885                         "%transformed_param = OpFAdd %v4f32 %tmp2 %vec_val\n" // param1 + vec4(-1) + vec4(1.5, 1.5, 1.5, 1.0)
5886                 },
5887                 {
5888                         // [1|0|0|0.5] [x] = x + 0.5
5889                         // [0|1|0|0.5] [y] = y + 0.5
5890                         // [0|0|1|0.5] [z] = z + 0.5
5891                         // [0|0|0|1  ] [1] = 1
5892                         "matrix",
5893
5894                         "%mat4x4_f32          = OpTypeMatrix %v4f32 4\n"
5895                     "%v4f32_1_0_0_0       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_0 %c_f32_0 %c_f32_0\n"
5896                     "%v4f32_0_1_0_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_1 %c_f32_0 %c_f32_0\n"
5897                     "%v4f32_0_0_1_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_1 %c_f32_0\n"
5898                     "%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"
5899                         "%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",
5900
5901                         "%transformed_param   = OpMatrixTimesVector %v4f32 %cval %param1\n"
5902                 },
5903                 {
5904                         "array",
5905
5906                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
5907                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
5908                         "%f32_n_1             = OpConstant %f32 -1.0\n"
5909                         "%f32_1_5             = OpConstant %f32 !0x3fc00000\n" // +1.5
5910                         "%carr                = OpConstantComposite %a4f32 %c_f32_0 %f32_n_1 %f32_1_5 %c_f32_0\n",
5911
5912                         "%v                   = OpVariable %fp_a4f32 Function %carr\n"
5913                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_0\n"
5914                         "%f1                  = OpAccessChain %fp_f32 %v %c_u32_1\n"
5915                         "%f2                  = OpAccessChain %fp_f32 %v %c_u32_2\n"
5916                         "%f3                  = OpAccessChain %fp_f32 %v %c_u32_3\n"
5917                         "%f_val               = OpLoad %f32 %f\n"
5918                         "%f1_val              = OpLoad %f32 %f1\n"
5919                         "%f2_val              = OpLoad %f32 %f2\n"
5920                         "%f3_val              = OpLoad %f32 %f3\n"
5921                         "%ftot1               = OpFAdd %f32 %f_val %f1_val\n"
5922                         "%ftot2               = OpFAdd %f32 %ftot1 %f2_val\n"
5923                         "%ftot3               = OpFAdd %f32 %ftot2 %f3_val\n"  // 0 - 1 + 1.5 + 0
5924                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %ftot3\n"
5925                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
5926                 },
5927                 {
5928                         //
5929                         // [
5930                         //   {
5931                         //      0.0,
5932                         //      [ 1.0, 1.0, 1.0, 1.0]
5933                         //   },
5934                         //   {
5935                         //      1.0,
5936                         //      [ 0.0, 0.5, 0.0, 0.0]
5937                         //   }, //     ^^^
5938                         //   {
5939                         //      0.0,
5940                         //      [ 1.0, 1.0, 1.0, 1.0]
5941                         //   }
5942                         // ]
5943                         "array_of_struct_of_array",
5944
5945                         "%c_v4f32_1_1_1_0     = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_0\n"
5946                         "%fp_a4f32            = OpTypePointer Function %a4f32\n"
5947                         "%stype               = OpTypeStruct %f32 %a4f32\n"
5948                         "%a3stype             = OpTypeArray %stype %c_u32_3\n"
5949                         "%fp_a3stype          = OpTypePointer Function %a3stype\n"
5950                         "%ca4f32_0            = OpConstantComposite %a4f32 %c_f32_0 %c_f32_0_5 %c_f32_0 %c_f32_0\n"
5951                         "%ca4f32_1            = OpConstantComposite %a4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
5952                         "%cstype1             = OpConstantComposite %stype %c_f32_0 %ca4f32_1\n"
5953                         "%cstype2             = OpConstantComposite %stype %c_f32_1 %ca4f32_0\n"
5954                         "%carr                = OpConstantComposite %a3stype %cstype1 %cstype2 %cstype1",
5955
5956                         "%v                   = OpVariable %fp_a3stype Function %carr\n"
5957                         "%f                   = OpAccessChain %fp_f32 %v %c_u32_1 %c_u32_1 %c_u32_1\n"
5958                         "%f_l                 = OpLoad %f32 %f\n"
5959                         "%add_vec             = OpVectorTimesScalar %v4f32 %c_v4f32_1_1_1_0 %f_l\n"
5960                         "%transformed_param   = OpFAdd %v4f32 %param1 %add_vec\n"
5961                 }
5962         };
5963
5964         getHalfColorsFullAlpha(inputColors);
5965         outputColors[0] = RGBA(255, 255, 255, 255);
5966         outputColors[1] = RGBA(255, 127, 127, 255);
5967         outputColors[2] = RGBA(127, 255, 127, 255);
5968         outputColors[3] = RGBA(127, 127, 255, 255);
5969
5970         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameConstantsCode); ++testNdx)
5971         {
5972                 map<string, string> fragments;
5973                 fragments["pre_main"] = tests[testNdx].constants;
5974                 fragments["testfun"] = string(functionStart) + tests[testNdx].code + functionEnd;
5975                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, opConstantCompositeTests.get());
5976         }
5977         return opConstantCompositeTests.release();
5978 }
5979
5980 tcu::TestCaseGroup* createSelectionBlockOrderTests(tcu::TestContext& testCtx)
5981 {
5982         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "selection_block_order", "Out-of-order blocks for selection"));
5983         RGBA                                                    inputColors[4];
5984         RGBA                                                    outputColors[4];
5985         map<string, string>                             fragments;
5986
5987         // vec4 test_code(vec4 param) {
5988         //   vec4 result = param;
5989         //   for (int i = 0; i < 4; ++i) {
5990         //     if (i == 0) result[i] = 0.;
5991         //     else        result[i] = 1. - result[i];
5992         //   }
5993         //   return result;
5994         // }
5995         const char                                              function[]                      =
5996                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
5997                 "%param1    = OpFunctionParameter %v4f32\n"
5998                 "%lbl       = OpLabel\n"
5999                 "%iptr      = OpVariable %fp_i32 Function\n"
6000                 "%result    = OpVariable %fp_v4f32 Function\n"
6001                 "             OpStore %iptr %c_i32_0\n"
6002                 "             OpStore %result %param1\n"
6003                 "             OpBranch %loop\n"
6004
6005                 // Loop entry block.
6006                 "%loop      = OpLabel\n"
6007                 "%ival      = OpLoad %i32 %iptr\n"
6008                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6009                 "             OpLoopMerge %exit %loop None\n"
6010                 "             OpBranchConditional %lt_4 %if_entry %exit\n"
6011
6012                 // Merge block for loop.
6013                 "%exit      = OpLabel\n"
6014                 "%ret       = OpLoad %v4f32 %result\n"
6015                 "             OpReturnValue %ret\n"
6016
6017                 // If-statement entry block.
6018                 "%if_entry  = OpLabel\n"
6019                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
6020                 "%eq_0      = OpIEqual %bool %ival %c_i32_0\n"
6021                 "             OpSelectionMerge %if_exit None\n"
6022                 "             OpBranchConditional %eq_0 %if_true %if_false\n"
6023
6024                 // False branch for if-statement.
6025                 "%if_false  = OpLabel\n"
6026                 "%val       = OpLoad %f32 %loc\n"
6027                 "%sub       = OpFSub %f32 %c_f32_1 %val\n"
6028                 "             OpStore %loc %sub\n"
6029                 "             OpBranch %if_exit\n"
6030
6031                 // Merge block for if-statement.
6032                 "%if_exit   = OpLabel\n"
6033                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
6034                 "             OpStore %iptr %ival_next\n"
6035                 "             OpBranch %loop\n"
6036
6037                 // True branch for if-statement.
6038                 "%if_true   = OpLabel\n"
6039                 "             OpStore %loc %c_f32_0\n"
6040                 "             OpBranch %if_exit\n"
6041
6042                 "             OpFunctionEnd\n";
6043
6044         fragments["testfun"]    = function;
6045
6046         inputColors[0]                  = RGBA(127, 127, 127, 0);
6047         inputColors[1]                  = RGBA(127, 0,   0,   0);
6048         inputColors[2]                  = RGBA(0,   127, 0,   0);
6049         inputColors[3]                  = RGBA(0,   0,   127, 0);
6050
6051         outputColors[0]                 = RGBA(0, 128, 128, 255);
6052         outputColors[1]                 = RGBA(0, 255, 255, 255);
6053         outputColors[2]                 = RGBA(0, 128, 255, 255);
6054         outputColors[3]                 = RGBA(0, 255, 128, 255);
6055
6056         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
6057
6058         return group.release();
6059 }
6060
6061 tcu::TestCaseGroup* createSwitchBlockOrderTests(tcu::TestContext& testCtx)
6062 {
6063         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "switch_block_order", "Out-of-order blocks for switch"));
6064         RGBA                                                    inputColors[4];
6065         RGBA                                                    outputColors[4];
6066         map<string, string>                             fragments;
6067
6068         const char                                              typesAndConstants[]     =
6069                 "%c_f32_p2  = OpConstant %f32 0.2\n"
6070                 "%c_f32_p4  = OpConstant %f32 0.4\n"
6071                 "%c_f32_p6  = OpConstant %f32 0.6\n"
6072                 "%c_f32_p8  = OpConstant %f32 0.8\n";
6073
6074         // vec4 test_code(vec4 param) {
6075         //   vec4 result = param;
6076         //   for (int i = 0; i < 4; ++i) {
6077         //     switch (i) {
6078         //       case 0: result[i] += .2; break;
6079         //       case 1: result[i] += .6; break;
6080         //       case 2: result[i] += .4; break;
6081         //       case 3: result[i] += .8; break;
6082         //       default: break; // unreachable
6083         //     }
6084         //   }
6085         //   return result;
6086         // }
6087         const char                                              function[]                      =
6088                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6089                 "%param1    = OpFunctionParameter %v4f32\n"
6090                 "%lbl       = OpLabel\n"
6091                 "%iptr      = OpVariable %fp_i32 Function\n"
6092                 "%result    = OpVariable %fp_v4f32 Function\n"
6093                 "             OpStore %iptr %c_i32_0\n"
6094                 "             OpStore %result %param1\n"
6095                 "             OpBranch %loop\n"
6096
6097                 // Loop entry block.
6098                 "%loop      = OpLabel\n"
6099                 "%ival      = OpLoad %i32 %iptr\n"
6100                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6101                 "             OpLoopMerge %exit %loop None\n"
6102                 "             OpBranchConditional %lt_4 %switch_entry %exit\n"
6103
6104                 // Merge block for loop.
6105                 "%exit      = OpLabel\n"
6106                 "%ret       = OpLoad %v4f32 %result\n"
6107                 "             OpReturnValue %ret\n"
6108
6109                 // Switch-statement entry block.
6110                 "%switch_entry   = OpLabel\n"
6111                 "%loc            = OpAccessChain %fp_f32 %result %ival\n"
6112                 "%val            = OpLoad %f32 %loc\n"
6113                 "                  OpSelectionMerge %switch_exit None\n"
6114                 "                  OpSwitch %ival %switch_default 0 %case0 1 %case1 2 %case2 3 %case3\n"
6115
6116                 "%case2          = OpLabel\n"
6117                 "%addp4          = OpFAdd %f32 %val %c_f32_p4\n"
6118                 "                  OpStore %loc %addp4\n"
6119                 "                  OpBranch %switch_exit\n"
6120
6121                 "%switch_default = OpLabel\n"
6122                 "                  OpUnreachable\n"
6123
6124                 "%case3          = OpLabel\n"
6125                 "%addp8          = OpFAdd %f32 %val %c_f32_p8\n"
6126                 "                  OpStore %loc %addp8\n"
6127                 "                  OpBranch %switch_exit\n"
6128
6129                 "%case0          = OpLabel\n"
6130                 "%addp2          = OpFAdd %f32 %val %c_f32_p2\n"
6131                 "                  OpStore %loc %addp2\n"
6132                 "                  OpBranch %switch_exit\n"
6133
6134                 // Merge block for switch-statement.
6135                 "%switch_exit    = OpLabel\n"
6136                 "%ival_next      = OpIAdd %i32 %ival %c_i32_1\n"
6137                 "                  OpStore %iptr %ival_next\n"
6138                 "                  OpBranch %loop\n"
6139
6140                 "%case1          = OpLabel\n"
6141                 "%addp6          = OpFAdd %f32 %val %c_f32_p6\n"
6142                 "                  OpStore %loc %addp6\n"
6143                 "                  OpBranch %switch_exit\n"
6144
6145                 "                  OpFunctionEnd\n";
6146
6147         fragments["pre_main"]   = typesAndConstants;
6148         fragments["testfun"]    = function;
6149
6150         inputColors[0]                  = RGBA(127, 27,  127, 51);
6151         inputColors[1]                  = RGBA(127, 0,   0,   51);
6152         inputColors[2]                  = RGBA(0,   27,  0,   51);
6153         inputColors[3]                  = RGBA(0,   0,   127, 51);
6154
6155         outputColors[0]                 = RGBA(178, 180, 229, 255);
6156         outputColors[1]                 = RGBA(178, 153, 102, 255);
6157         outputColors[2]                 = RGBA(51,  180, 102, 255);
6158         outputColors[3]                 = RGBA(51,  153, 229, 255);
6159
6160         createTestsForAllStages("out_of_order", inputColors, outputColors, fragments, group.get());
6161
6162         return group.release();
6163 }
6164
6165 tcu::TestCaseGroup* createDecorationGroupTests(tcu::TestContext& testCtx)
6166 {
6167         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "decoration_group", "Decoration group tests"));
6168         RGBA                                                    inputColors[4];
6169         RGBA                                                    outputColors[4];
6170         map<string, string>                             fragments;
6171
6172         const char                                              decorations[]           =
6173                 "OpDecorate %array_group         ArrayStride 4\n"
6174                 "OpDecorate %struct_member_group Offset 0\n"
6175                 "%array_group         = OpDecorationGroup\n"
6176                 "%struct_member_group = OpDecorationGroup\n"
6177
6178                 "OpDecorate %group1 RelaxedPrecision\n"
6179                 "OpDecorate %group3 RelaxedPrecision\n"
6180                 "OpDecorate %group3 Invariant\n"
6181                 "OpDecorate %group3 Restrict\n"
6182                 "%group0 = OpDecorationGroup\n"
6183                 "%group1 = OpDecorationGroup\n"
6184                 "%group3 = OpDecorationGroup\n";
6185
6186         const char                                              typesAndConstants[]     =
6187                 "%a3f32     = OpTypeArray %f32 %c_u32_3\n"
6188                 "%struct1   = OpTypeStruct %a3f32\n"
6189                 "%struct2   = OpTypeStruct %a3f32\n"
6190                 "%fp_struct1 = OpTypePointer Function %struct1\n"
6191                 "%fp_struct2 = OpTypePointer Function %struct2\n"
6192                 "%c_f32_2    = OpConstant %f32 2.\n"
6193                 "%c_f32_n2   = OpConstant %f32 -2.\n"
6194
6195                 "%c_a3f32_1 = OpConstantComposite %a3f32 %c_f32_1 %c_f32_2 %c_f32_1\n"
6196                 "%c_a3f32_2 = OpConstantComposite %a3f32 %c_f32_n1 %c_f32_n2 %c_f32_n1\n"
6197                 "%c_struct1 = OpConstantComposite %struct1 %c_a3f32_1\n"
6198                 "%c_struct2 = OpConstantComposite %struct2 %c_a3f32_2\n";
6199
6200         const char                                              function[]                      =
6201                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6202                 "%param     = OpFunctionParameter %v4f32\n"
6203                 "%entry     = OpLabel\n"
6204                 "%result    = OpVariable %fp_v4f32 Function\n"
6205                 "%v_struct1 = OpVariable %fp_struct1 Function\n"
6206                 "%v_struct2 = OpVariable %fp_struct2 Function\n"
6207                 "             OpStore %result %param\n"
6208                 "             OpStore %v_struct1 %c_struct1\n"
6209                 "             OpStore %v_struct2 %c_struct2\n"
6210                 "%ptr1      = OpAccessChain %fp_f32 %v_struct1 %c_i32_0 %c_i32_2\n"
6211                 "%val1      = OpLoad %f32 %ptr1\n"
6212                 "%ptr2      = OpAccessChain %fp_f32 %v_struct2 %c_i32_0 %c_i32_2\n"
6213                 "%val2      = OpLoad %f32 %ptr2\n"
6214                 "%addvalues = OpFAdd %f32 %val1 %val2\n"
6215                 "%ptr       = OpAccessChain %fp_f32 %result %c_i32_1\n"
6216                 "%val       = OpLoad %f32 %ptr\n"
6217                 "%addresult = OpFAdd %f32 %addvalues %val\n"
6218                 "             OpStore %ptr %addresult\n"
6219                 "%ret       = OpLoad %v4f32 %result\n"
6220                 "             OpReturnValue %ret\n"
6221                 "             OpFunctionEnd\n";
6222
6223         struct CaseNameDecoration
6224         {
6225                 string name;
6226                 string decoration;
6227         };
6228
6229         CaseNameDecoration tests[] =
6230         {
6231                 {
6232                         "same_decoration_group_on_multiple_types",
6233                         "OpGroupMemberDecorate %struct_member_group %struct1 0 %struct2 0\n"
6234                 },
6235                 {
6236                         "empty_decoration_group",
6237                         "OpGroupDecorate %group0      %a3f32\n"
6238                         "OpGroupDecorate %group0      %result\n"
6239                 },
6240                 {
6241                         "one_element_decoration_group",
6242                         "OpGroupDecorate %array_group %a3f32\n"
6243                 },
6244                 {
6245                         "multiple_elements_decoration_group",
6246                         "OpGroupDecorate %group3      %v_struct1\n"
6247                 },
6248                 {
6249                         "multiple_decoration_groups_on_same_variable",
6250                         "OpGroupDecorate %group0      %v_struct2\n"
6251                         "OpGroupDecorate %group1      %v_struct2\n"
6252                         "OpGroupDecorate %group3      %v_struct2\n"
6253                 },
6254                 {
6255                         "same_decoration_group_multiple_times",
6256                         "OpGroupDecorate %group1      %addvalues\n"
6257                         "OpGroupDecorate %group1      %addvalues\n"
6258                         "OpGroupDecorate %group1      %addvalues\n"
6259                 },
6260
6261         };
6262
6263         getHalfColorsFullAlpha(inputColors);
6264         getHalfColorsFullAlpha(outputColors);
6265
6266         for (size_t idx = 0; idx < (sizeof(tests) / sizeof(tests[0])); ++idx)
6267         {
6268                 fragments["decoration"] = decorations + tests[idx].decoration;
6269                 fragments["pre_main"]   = typesAndConstants;
6270                 fragments["testfun"]    = function;
6271
6272                 createTestsForAllStages(tests[idx].name, inputColors, outputColors, fragments, group.get());
6273         }
6274
6275         return group.release();
6276 }
6277
6278 struct SpecConstantTwoIntGraphicsCase
6279 {
6280         const char*             caseName;
6281         const char*             scDefinition0;
6282         const char*             scDefinition1;
6283         const char*             scResultType;
6284         const char*             scOperation;
6285         deInt32                 scActualValue0;
6286         deInt32                 scActualValue1;
6287         const char*             resultOperation;
6288         RGBA                    expectedColors[4];
6289
6290                                         SpecConstantTwoIntGraphicsCase (const char* name,
6291                                                                                         const char* definition0,
6292                                                                                         const char* definition1,
6293                                                                                         const char* resultType,
6294                                                                                         const char* operation,
6295                                                                                         deInt32         value0,
6296                                                                                         deInt32         value1,
6297                                                                                         const char* resultOp,
6298                                                                                         const RGBA      (&output)[4])
6299                                                 : caseName                      (name)
6300                                                 , scDefinition0         (definition0)
6301                                                 , scDefinition1         (definition1)
6302                                                 , scResultType          (resultType)
6303                                                 , scOperation           (operation)
6304                                                 , scActualValue0        (value0)
6305                                                 , scActualValue1        (value1)
6306                                                 , resultOperation       (resultOp)
6307         {
6308                 expectedColors[0] = output[0];
6309                 expectedColors[1] = output[1];
6310                 expectedColors[2] = output[2];
6311                 expectedColors[3] = output[3];
6312         }
6313 };
6314
6315 tcu::TestCaseGroup* createSpecConstantTests (tcu::TestContext& testCtx)
6316 {
6317         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opspecconstantop", "Test the OpSpecConstantOp instruction"));
6318         vector<SpecConstantTwoIntGraphicsCase>  cases;
6319         RGBA                                                    inputColors[4];
6320         RGBA                                                    outputColors0[4];
6321         RGBA                                                    outputColors1[4];
6322         RGBA                                                    outputColors2[4];
6323
6324         const char      decorations1[]                  =
6325                 "OpDecorate %sc_0  SpecId 0\n"
6326                 "OpDecorate %sc_1  SpecId 1\n";
6327
6328         const char      typesAndConstants1[]    =
6329                 "%sc_0      = OpSpecConstant${SC_DEF0}\n"
6330                 "%sc_1      = OpSpecConstant${SC_DEF1}\n"
6331                 "%sc_op     = OpSpecConstantOp ${SC_RESULT_TYPE} ${SC_OP}\n";
6332
6333         const char      function1[]                             =
6334                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6335                 "%param     = OpFunctionParameter %v4f32\n"
6336                 "%label     = OpLabel\n"
6337                 "%result    = OpVariable %fp_v4f32 Function\n"
6338                 "             OpStore %result %param\n"
6339                 "%gen       = ${GEN_RESULT}\n"
6340                 "%index     = OpIAdd %i32 %gen %c_i32_1\n"
6341                 "%loc       = OpAccessChain %fp_f32 %result %index\n"
6342                 "%val       = OpLoad %f32 %loc\n"
6343                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
6344                 "             OpStore %loc %add\n"
6345                 "%ret       = OpLoad %v4f32 %result\n"
6346                 "             OpReturnValue %ret\n"
6347                 "             OpFunctionEnd\n";
6348
6349         inputColors[0] = RGBA(127, 127, 127, 255);
6350         inputColors[1] = RGBA(127, 0,   0,   255);
6351         inputColors[2] = RGBA(0,   127, 0,   255);
6352         inputColors[3] = RGBA(0,   0,   127, 255);
6353
6354         // Derived from inputColors[x] by adding 128 to inputColors[x][0].
6355         outputColors0[0] = RGBA(255, 127, 127, 255);
6356         outputColors0[1] = RGBA(255, 0,   0,   255);
6357         outputColors0[2] = RGBA(128, 127, 0,   255);
6358         outputColors0[3] = RGBA(128, 0,   127, 255);
6359
6360         // Derived from inputColors[x] by adding 128 to inputColors[x][1].
6361         outputColors1[0] = RGBA(127, 255, 127, 255);
6362         outputColors1[1] = RGBA(127, 128, 0,   255);
6363         outputColors1[2] = RGBA(0,   255, 0,   255);
6364         outputColors1[3] = RGBA(0,   128, 127, 255);
6365
6366         // Derived from inputColors[x] by adding 128 to inputColors[x][2].
6367         outputColors2[0] = RGBA(127, 127, 255, 255);
6368         outputColors2[1] = RGBA(127, 0,   128, 255);
6369         outputColors2[2] = RGBA(0,   127, 128, 255);
6370         outputColors2[3] = RGBA(0,   0,   255, 255);
6371
6372         const char addZeroToSc[]                = "OpIAdd %i32 %c_i32_0 %sc_op";
6373         const char selectTrueUsingSc[]  = "OpSelect %i32 %sc_op %c_i32_1 %c_i32_0";
6374         const char selectFalseUsingSc[] = "OpSelect %i32 %sc_op %c_i32_0 %c_i32_1";
6375
6376         cases.push_back(SpecConstantTwoIntGraphicsCase("iadd",                                  " %i32 0",              " %i32 0",              "%i32",         "IAdd                 %sc_0 %sc_1",                             19,             -20,    addZeroToSc,            outputColors0));
6377         cases.push_back(SpecConstantTwoIntGraphicsCase("isub",                                  " %i32 0",              " %i32 0",              "%i32",         "ISub                 %sc_0 %sc_1",                             19,             20,             addZeroToSc,            outputColors0));
6378         cases.push_back(SpecConstantTwoIntGraphicsCase("imul",                                  " %i32 0",              " %i32 0",              "%i32",         "IMul                 %sc_0 %sc_1",                             -1,             -1,             addZeroToSc,            outputColors2));
6379         cases.push_back(SpecConstantTwoIntGraphicsCase("sdiv",                                  " %i32 0",              " %i32 0",              "%i32",         "SDiv                 %sc_0 %sc_1",                             -126,   126,    addZeroToSc,            outputColors0));
6380         cases.push_back(SpecConstantTwoIntGraphicsCase("udiv",                                  " %i32 0",              " %i32 0",              "%i32",         "UDiv                 %sc_0 %sc_1",                             126,    126,    addZeroToSc,            outputColors2));
6381         cases.push_back(SpecConstantTwoIntGraphicsCase("srem",                                  " %i32 0",              " %i32 0",              "%i32",         "SRem                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
6382         cases.push_back(SpecConstantTwoIntGraphicsCase("smod",                                  " %i32 0",              " %i32 0",              "%i32",         "SMod                 %sc_0 %sc_1",                             3,              2,              addZeroToSc,            outputColors2));
6383         cases.push_back(SpecConstantTwoIntGraphicsCase("umod",                                  " %i32 0",              " %i32 0",              "%i32",         "UMod                 %sc_0 %sc_1",                             1001,   500,    addZeroToSc,            outputColors2));
6384         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseand",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseAnd           %sc_0 %sc_1",                             0x33,   0x0d,   addZeroToSc,            outputColors2));
6385         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwiseor",                             " %i32 0",              " %i32 0",              "%i32",         "BitwiseOr            %sc_0 %sc_1",                             0,              1,              addZeroToSc,            outputColors2));
6386         cases.push_back(SpecConstantTwoIntGraphicsCase("bitwisexor",                    " %i32 0",              " %i32 0",              "%i32",         "BitwiseXor           %sc_0 %sc_1",                             0x2e,   0x2f,   addZeroToSc,            outputColors2));
6387         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightlogical",             " %i32 0",              " %i32 0",              "%i32",         "ShiftRightLogical    %sc_0 %sc_1",                             2,              1,              addZeroToSc,            outputColors2));
6388         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftrightarithmetic",  " %i32 0",              " %i32 0",              "%i32",         "ShiftRightArithmetic %sc_0 %sc_1",                             -4,             2,              addZeroToSc,            outputColors0));
6389         cases.push_back(SpecConstantTwoIntGraphicsCase("shiftleftlogical",              " %i32 0",              " %i32 0",              "%i32",         "ShiftLeftLogical     %sc_0 %sc_1",                             1,              0,              addZeroToSc,            outputColors2));
6390         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthan",                             " %i32 0",              " %i32 0",              "%bool",        "SLessThan            %sc_0 %sc_1",                             -20,    -10,    selectTrueUsingSc,      outputColors2));
6391         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthan",                             " %i32 0",              " %i32 0",              "%bool",        "ULessThan            %sc_0 %sc_1",                             10,             20,             selectTrueUsingSc,      outputColors2));
6392         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "SGreaterThan         %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
6393         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthan",                  " %i32 0",              " %i32 0",              "%bool",        "UGreaterThan         %sc_0 %sc_1",                             10,             5,              selectTrueUsingSc,      outputColors2));
6394         cases.push_back(SpecConstantTwoIntGraphicsCase("slessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "SLessThanEqual       %sc_0 %sc_1",                             -10,    -10,    selectTrueUsingSc,      outputColors2));
6395         cases.push_back(SpecConstantTwoIntGraphicsCase("ulessthanequal",                " %i32 0",              " %i32 0",              "%bool",        "ULessThanEqual       %sc_0 %sc_1",                             50,             100,    selectTrueUsingSc,      outputColors2));
6396         cases.push_back(SpecConstantTwoIntGraphicsCase("sgreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "SGreaterThanEqual    %sc_0 %sc_1",                             -1000,  50,             selectFalseUsingSc,     outputColors2));
6397         cases.push_back(SpecConstantTwoIntGraphicsCase("ugreaterthanequal",             " %i32 0",              " %i32 0",              "%bool",        "UGreaterThanEqual    %sc_0 %sc_1",                             10,             10,             selectTrueUsingSc,      outputColors2));
6398         cases.push_back(SpecConstantTwoIntGraphicsCase("iequal",                                " %i32 0",              " %i32 0",              "%bool",        "IEqual               %sc_0 %sc_1",                             42,             24,             selectFalseUsingSc,     outputColors2));
6399         cases.push_back(SpecConstantTwoIntGraphicsCase("logicaland",                    "True %bool",   "True %bool",   "%bool",        "LogicalAnd           %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
6400         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalor",                             "False %bool",  "False %bool",  "%bool",        "LogicalOr            %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
6401         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalequal",                  "True %bool",   "True %bool",   "%bool",        "LogicalEqual         %sc_0 %sc_1",                             0,              1,              selectFalseUsingSc,     outputColors2));
6402         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnotequal",               "False %bool",  "False %bool",  "%bool",        "LogicalNotEqual      %sc_0 %sc_1",                             1,              0,              selectTrueUsingSc,      outputColors2));
6403         cases.push_back(SpecConstantTwoIntGraphicsCase("snegate",                               " %i32 0",              " %i32 0",              "%i32",         "SNegate              %sc_0",                                   -1,             0,              addZeroToSc,            outputColors2));
6404         cases.push_back(SpecConstantTwoIntGraphicsCase("not",                                   " %i32 0",              " %i32 0",              "%i32",         "Not                  %sc_0",                                   -2,             0,              addZeroToSc,            outputColors2));
6405         cases.push_back(SpecConstantTwoIntGraphicsCase("logicalnot",                    "False %bool",  "False %bool",  "%bool",        "LogicalNot           %sc_0",                                   1,              0,              selectFalseUsingSc,     outputColors2));
6406         cases.push_back(SpecConstantTwoIntGraphicsCase("select",                                "False %bool",  " %i32 0",              "%i32",         "Select               %sc_0 %sc_1 %c_i32_0",    1,              1,              addZeroToSc,            outputColors2));
6407         // OpSConvert, OpFConvert: these two instructions involve ints/floats of different bitwidths.
6408         // \todo[2015-12-1 antiagainst] OpQuantizeToF16
6409
6410         for (size_t caseNdx = 0; caseNdx < cases.size(); ++caseNdx)
6411         {
6412                 map<string, string>     specializations;
6413                 map<string, string>     fragments;
6414                 vector<deInt32>         specConstants;
6415
6416                 specializations["SC_DEF0"]                      = cases[caseNdx].scDefinition0;
6417                 specializations["SC_DEF1"]                      = cases[caseNdx].scDefinition1;
6418                 specializations["SC_RESULT_TYPE"]       = cases[caseNdx].scResultType;
6419                 specializations["SC_OP"]                        = cases[caseNdx].scOperation;
6420                 specializations["GEN_RESULT"]           = cases[caseNdx].resultOperation;
6421
6422                 fragments["decoration"]                         = tcu::StringTemplate(decorations1).specialize(specializations);
6423                 fragments["pre_main"]                           = tcu::StringTemplate(typesAndConstants1).specialize(specializations);
6424                 fragments["testfun"]                            = tcu::StringTemplate(function1).specialize(specializations);
6425
6426                 specConstants.push_back(cases[caseNdx].scActualValue0);
6427                 specConstants.push_back(cases[caseNdx].scActualValue1);
6428
6429                 createTestsForAllStages(cases[caseNdx].caseName, inputColors, cases[caseNdx].expectedColors, fragments, specConstants, group.get());
6430         }
6431
6432         const char      decorations2[]                  =
6433                 "OpDecorate %sc_0  SpecId 0\n"
6434                 "OpDecorate %sc_1  SpecId 1\n"
6435                 "OpDecorate %sc_2  SpecId 2\n";
6436
6437         const char      typesAndConstants2[]    =
6438                 "%v3i32     = OpTypeVector %i32 3\n"
6439
6440                 "%sc_0      = OpSpecConstant %i32 0\n"
6441                 "%sc_1      = OpSpecConstant %i32 0\n"
6442                 "%sc_2      = OpSpecConstant %i32 0\n"
6443
6444                 "%vec3_0      = OpConstantComposite %v3i32 %c_i32_0 %c_i32_0 %c_i32_0\n"
6445                 "%sc_vec3_0   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_0        %vec3_0    0\n"     // (sc_0, 0, 0)
6446                 "%sc_vec3_1   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_1        %vec3_0    1\n"     // (0, sc_1, 0)
6447                 "%sc_vec3_2   = OpSpecConstantOp %v3i32 CompositeInsert  %sc_2        %vec3_0    2\n"     // (0, 0, sc_2)
6448                 "%sc_vec3_01  = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_0   %sc_vec3_1 1 0 4\n" // (0,    sc_0, sc_1)
6449                 "%sc_vec3_012 = OpSpecConstantOp %v3i32 VectorShuffle    %sc_vec3_01  %sc_vec3_2 5 1 2\n" // (sc_2, sc_0, sc_1)
6450                 "%sc_ext_0    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            0\n"     // sc_2
6451                 "%sc_ext_1    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            1\n"     // sc_0
6452                 "%sc_ext_2    = OpSpecConstantOp %i32   CompositeExtract %sc_vec3_012            2\n"     // sc_1
6453                 "%sc_sub      = OpSpecConstantOp %i32   ISub             %sc_ext_0    %sc_ext_1\n"        // (sc_2 - sc_0)
6454                 "%sc_final    = OpSpecConstantOp %i32   IMul             %sc_sub      %sc_ext_2\n";       // (sc_2 - sc_0) * sc_1
6455
6456         const char      function2[]                             =
6457                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6458                 "%param     = OpFunctionParameter %v4f32\n"
6459                 "%label     = OpLabel\n"
6460                 "%result    = OpVariable %fp_v4f32 Function\n"
6461                 "             OpStore %result %param\n"
6462                 "%loc       = OpAccessChain %fp_f32 %result %sc_final\n"
6463                 "%val       = OpLoad %f32 %loc\n"
6464                 "%add       = OpFAdd %f32 %val %c_f32_0_5\n"
6465                 "             OpStore %loc %add\n"
6466                 "%ret       = OpLoad %v4f32 %result\n"
6467                 "             OpReturnValue %ret\n"
6468                 "             OpFunctionEnd\n";
6469
6470         map<string, string>     fragments;
6471         vector<deInt32>         specConstants;
6472
6473         fragments["decoration"] = decorations2;
6474         fragments["pre_main"]   = typesAndConstants2;
6475         fragments["testfun"]    = function2;
6476
6477         specConstants.push_back(56789);
6478         specConstants.push_back(-2);
6479         specConstants.push_back(56788);
6480
6481         createTestsForAllStages("vector_related", inputColors, outputColors2, fragments, specConstants, group.get());
6482
6483         return group.release();
6484 }
6485
6486 tcu::TestCaseGroup* createOpPhiTests(tcu::TestContext& testCtx)
6487 {
6488         de::MovePtr<tcu::TestCaseGroup> group                           (new tcu::TestCaseGroup(testCtx, "opphi", "Test the OpPhi instruction"));
6489         RGBA                                                    inputColors[4];
6490         RGBA                                                    outputColors1[4];
6491         RGBA                                                    outputColors2[4];
6492         RGBA                                                    outputColors3[4];
6493         map<string, string>                             fragments1;
6494         map<string, string>                             fragments2;
6495         map<string, string>                             fragments3;
6496
6497         const char      typesAndConstants1[]    =
6498                 "%c_f32_p2  = OpConstant %f32 0.2\n"
6499                 "%c_f32_p4  = OpConstant %f32 0.4\n"
6500                 "%c_f32_p5  = OpConstant %f32 0.5\n"
6501                 "%c_f32_p8  = OpConstant %f32 0.8\n";
6502
6503         // vec4 test_code(vec4 param) {
6504         //   vec4 result = param;
6505         //   for (int i = 0; i < 4; ++i) {
6506         //     float operand;
6507         //     switch (i) {
6508         //       case 0: operand = .2; break;
6509         //       case 1: operand = .5; break;
6510         //       case 2: operand = .4; break;
6511         //       case 3: operand = .0; break;
6512         //       default: break; // unreachable
6513         //     }
6514         //     result[i] += operand;
6515         //   }
6516         //   return result;
6517         // }
6518         const char      function1[]                             =
6519                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6520                 "%param1    = OpFunctionParameter %v4f32\n"
6521                 "%lbl       = OpLabel\n"
6522                 "%iptr      = OpVariable %fp_i32 Function\n"
6523                 "%result    = OpVariable %fp_v4f32 Function\n"
6524                 "             OpStore %iptr %c_i32_0\n"
6525                 "             OpStore %result %param1\n"
6526                 "             OpBranch %loop\n"
6527
6528                 "%loop      = OpLabel\n"
6529                 "%ival      = OpLoad %i32 %iptr\n"
6530                 "%lt_4      = OpSLessThan %bool %ival %c_i32_4\n"
6531                 "             OpLoopMerge %exit %loop None\n"
6532                 "             OpBranchConditional %lt_4 %entry %exit\n"
6533
6534                 "%entry     = OpLabel\n"
6535                 "%loc       = OpAccessChain %fp_f32 %result %ival\n"
6536                 "%val       = OpLoad %f32 %loc\n"
6537                 "             OpSelectionMerge %phi None\n"
6538                 "             OpSwitch %ival %default 0 %case0 1 %case1 2 %case2 3 %case3\n"
6539
6540                 "%case0     = OpLabel\n"
6541                 "             OpBranch %phi\n"
6542                 "%case1     = OpLabel\n"
6543                 "             OpBranch %phi\n"
6544                 "%case2     = OpLabel\n"
6545                 "             OpBranch %phi\n"
6546                 "%case3     = OpLabel\n"
6547                 "             OpBranch %phi\n"
6548
6549                 "%default   = OpLabel\n"
6550                 "             OpUnreachable\n"
6551
6552                 "%phi       = OpLabel\n"
6553                 "%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
6554                 "%add       = OpFAdd %f32 %val %operand\n"
6555                 "             OpStore %loc %add\n"
6556                 "%ival_next = OpIAdd %i32 %ival %c_i32_1\n"
6557                 "             OpStore %iptr %ival_next\n"
6558                 "             OpBranch %loop\n"
6559
6560                 "%exit      = OpLabel\n"
6561                 "%ret       = OpLoad %v4f32 %result\n"
6562                 "             OpReturnValue %ret\n"
6563
6564                 "             OpFunctionEnd\n";
6565
6566         fragments1["pre_main"]  = typesAndConstants1;
6567         fragments1["testfun"]   = function1;
6568
6569         getHalfColorsFullAlpha(inputColors);
6570
6571         outputColors1[0]                = RGBA(178, 255, 229, 255);
6572         outputColors1[1]                = RGBA(178, 127, 102, 255);
6573         outputColors1[2]                = RGBA(51,  255, 102, 255);
6574         outputColors1[3]                = RGBA(51,  127, 229, 255);
6575
6576         createTestsForAllStages("out_of_order", inputColors, outputColors1, fragments1, group.get());
6577
6578         const char      typesAndConstants2[]    =
6579                 "%c_f32_p2  = OpConstant %f32 0.2\n";
6580
6581         // Add .4 to the second element of the given parameter.
6582         const char      function2[]                             =
6583                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6584                 "%param     = OpFunctionParameter %v4f32\n"
6585                 "%entry     = OpLabel\n"
6586                 "%result    = OpVariable %fp_v4f32 Function\n"
6587                 "             OpStore %result %param\n"
6588                 "%loc       = OpAccessChain %fp_f32 %result %c_i32_1\n"
6589                 "%val       = OpLoad %f32 %loc\n"
6590                 "             OpBranch %phi\n"
6591
6592                 "%phi        = OpLabel\n"
6593                 "%step       = OpPhi %i32 %c_i32_0  %entry %step_next  %phi\n"
6594                 "%accum      = OpPhi %f32 %val      %entry %accum_next %phi\n"
6595                 "%step_next  = OpIAdd %i32 %step  %c_i32_1\n"
6596                 "%accum_next = OpFAdd %f32 %accum %c_f32_p2\n"
6597                 "%still_loop = OpSLessThan %bool %step %c_i32_2\n"
6598                 "              OpLoopMerge %exit %phi None\n"
6599                 "              OpBranchConditional %still_loop %phi %exit\n"
6600
6601                 "%exit       = OpLabel\n"
6602                 "              OpStore %loc %accum\n"
6603                 "%ret        = OpLoad %v4f32 %result\n"
6604                 "              OpReturnValue %ret\n"
6605
6606                 "              OpFunctionEnd\n";
6607
6608         fragments2["pre_main"]  = typesAndConstants2;
6609         fragments2["testfun"]   = function2;
6610
6611         outputColors2[0]                        = RGBA(127, 229, 127, 255);
6612         outputColors2[1]                        = RGBA(127, 102, 0,   255);
6613         outputColors2[2]                        = RGBA(0,   229, 0,   255);
6614         outputColors2[3]                        = RGBA(0,   102, 127, 255);
6615
6616         createTestsForAllStages("induction", inputColors, outputColors2, fragments2, group.get());
6617
6618         const char      typesAndConstants3[]    =
6619                 "%true      = OpConstantTrue %bool\n"
6620                 "%false     = OpConstantFalse %bool\n"
6621                 "%c_f32_p2  = OpConstant %f32 0.2\n";
6622
6623         // Swap the second and the third element of the given parameter.
6624         const char      function3[]                             =
6625                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6626                 "%param     = OpFunctionParameter %v4f32\n"
6627                 "%entry     = OpLabel\n"
6628                 "%result    = OpVariable %fp_v4f32 Function\n"
6629                 "             OpStore %result %param\n"
6630                 "%a_loc     = OpAccessChain %fp_f32 %result %c_i32_1\n"
6631                 "%a_init    = OpLoad %f32 %a_loc\n"
6632                 "%b_loc     = OpAccessChain %fp_f32 %result %c_i32_2\n"
6633                 "%b_init    = OpLoad %f32 %b_loc\n"
6634                 "             OpBranch %phi\n"
6635
6636                 "%phi        = OpLabel\n"
6637                 "%still_loop = OpPhi %bool %true   %entry %false  %phi\n"
6638                 "%a_next     = OpPhi %f32  %a_init %entry %b_next %phi\n"
6639                 "%b_next     = OpPhi %f32  %b_init %entry %a_next %phi\n"
6640                 "              OpLoopMerge %exit %phi None\n"
6641                 "              OpBranchConditional %still_loop %phi %exit\n"
6642
6643                 "%exit       = OpLabel\n"
6644                 "              OpStore %a_loc %a_next\n"
6645                 "              OpStore %b_loc %b_next\n"
6646                 "%ret        = OpLoad %v4f32 %result\n"
6647                 "              OpReturnValue %ret\n"
6648
6649                 "              OpFunctionEnd\n";
6650
6651         fragments3["pre_main"]  = typesAndConstants3;
6652         fragments3["testfun"]   = function3;
6653
6654         outputColors3[0]                        = RGBA(127, 127, 127, 255);
6655         outputColors3[1]                        = RGBA(127, 0,   0,   255);
6656         outputColors3[2]                        = RGBA(0,   0,   127, 255);
6657         outputColors3[3]                        = RGBA(0,   127, 0,   255);
6658
6659         createTestsForAllStages("swap", inputColors, outputColors3, fragments3, group.get());
6660
6661         return group.release();
6662 }
6663
6664 tcu::TestCaseGroup* createNoContractionTests(tcu::TestContext& testCtx)
6665 {
6666         de::MovePtr<tcu::TestCaseGroup> group                   (new tcu::TestCaseGroup(testCtx, "nocontraction", "Test the NoContraction decoration"));
6667         RGBA                                                    inputColors[4];
6668         RGBA                                                    outputColors[4];
6669
6670         // With NoContraction, (1 + 2^-23) * (1 - 2^-23) - 1 should be conducted as a multiplication and an addition separately.
6671         // For the multiplication, the result is 1 - 2^-46, which is out of the precision range for 32-bit float. (32-bit float
6672         // only have 23-bit fraction.) So it will be rounded to 1. Or 0x1.fffffc. Then the final result is 0 or -0x1p-24.
6673         // On the contrary, the result will be 2^-46, which is a normalized number perfectly representable as 32-bit float.
6674         const char                                              constantsAndTypes[]      =
6675                 "%c_vec4_0       = OpConstantComposite %v4f32 %c_f32_0 %c_f32_0 %c_f32_0 %c_f32_1\n"
6676                 "%c_vec4_1       = OpConstantComposite %v4f32 %c_f32_1 %c_f32_1 %c_f32_1 %c_f32_1\n"
6677                 "%c_f32_1pl2_23  = OpConstant %f32 0x1.000002p+0\n" // 1 + 2^-23
6678                 "%c_f32_1mi2_23  = OpConstant %f32 0x1.fffffcp-1\n" // 1 - 2^-23
6679                 "%c_f32_n1pn24   = OpConstant %f32 -0x1p-24\n"
6680                 ;
6681
6682         const char                                              function[]       =
6683                 "%test_code      = OpFunction %v4f32 None %v4f32_function\n"
6684                 "%param          = OpFunctionParameter %v4f32\n"
6685                 "%label          = OpLabel\n"
6686                 "%var1           = OpVariable %fp_f32 Function %c_f32_1pl2_23\n"
6687                 "%var2           = OpVariable %fp_f32 Function\n"
6688                 "%red            = OpCompositeExtract %f32 %param 0\n"
6689                 "%plus_red       = OpFAdd %f32 %c_f32_1mi2_23 %red\n"
6690                 "                  OpStore %var2 %plus_red\n"
6691                 "%val1           = OpLoad %f32 %var1\n"
6692                 "%val2           = OpLoad %f32 %var2\n"
6693                 "%mul            = OpFMul %f32 %val1 %val2\n"
6694                 "%add            = OpFAdd %f32 %mul %c_f32_n1\n"
6695                 "%is0            = OpFOrdEqual %bool %add %c_f32_0\n"
6696                 "%isn1n24         = OpFOrdEqual %bool %add %c_f32_n1pn24\n"
6697                 "%success        = OpLogicalOr %bool %is0 %isn1n24\n"
6698                 "%v4success      = OpCompositeConstruct %v4bool %success %success %success %success\n"
6699                 "%ret            = OpSelect %v4f32 %v4success %c_vec4_0 %c_vec4_1\n"
6700                 "                  OpReturnValue %ret\n"
6701                 "                  OpFunctionEnd\n";
6702
6703         struct CaseNameDecoration
6704         {
6705                 string name;
6706                 string decoration;
6707         };
6708
6709
6710         CaseNameDecoration tests[] = {
6711                 {"multiplication",      "OpDecorate %mul NoContraction"},
6712                 {"addition",            "OpDecorate %add NoContraction"},
6713                 {"both",                        "OpDecorate %mul NoContraction\nOpDecorate %add NoContraction"},
6714         };
6715
6716         getHalfColorsFullAlpha(inputColors);
6717
6718         for (deUint8 idx = 0; idx < 4; ++idx)
6719         {
6720                 inputColors[idx].setRed(0);
6721                 outputColors[idx] = RGBA(0, 0, 0, 255);
6722         }
6723
6724         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(CaseNameDecoration); ++testNdx)
6725         {
6726                 map<string, string> fragments;
6727
6728                 fragments["decoration"] = tests[testNdx].decoration;
6729                 fragments["pre_main"] = constantsAndTypes;
6730                 fragments["testfun"] = function;
6731
6732                 createTestsForAllStages(tests[testNdx].name, inputColors, outputColors, fragments, group.get());
6733         }
6734
6735         return group.release();
6736 }
6737
6738 tcu::TestCaseGroup* createMemoryAccessTests(tcu::TestContext& testCtx)
6739 {
6740         de::MovePtr<tcu::TestCaseGroup> memoryAccessTests (new tcu::TestCaseGroup(testCtx, "opmemoryaccess", "Memory Semantics"));
6741         RGBA                                                    colors[4];
6742
6743         const char                                              constantsAndTypes[]      =
6744                 "%c_a2f32_1         = OpConstantComposite %a2f32 %c_f32_1 %c_f32_1\n"
6745                 "%fp_a2f32          = OpTypePointer Function %a2f32\n"
6746                 "%stype             = OpTypeStruct  %v4f32 %a2f32 %f32\n"
6747                 "%fp_stype          = OpTypePointer Function %stype\n";
6748
6749         const char                                              function[]       =
6750                 "%test_code         = OpFunction %v4f32 None %v4f32_function\n"
6751                 "%param1            = OpFunctionParameter %v4f32\n"
6752                 "%lbl               = OpLabel\n"
6753                 "%v1                = OpVariable %fp_v4f32 Function\n"
6754                 "%v2                = OpVariable %fp_a2f32 Function\n"
6755                 "%v3                = OpVariable %fp_f32 Function\n"
6756                 "%v                 = OpVariable %fp_stype Function\n"
6757                 "%vv                = OpVariable %fp_stype Function\n"
6758                 "%vvv               = OpVariable %fp_f32 Function\n"
6759
6760                 "                     OpStore %v1 %c_v4f32_1_1_1_1\n"
6761                 "                     OpStore %v2 %c_a2f32_1\n"
6762                 "                     OpStore %v3 %c_f32_1\n"
6763
6764                 "%p_v4f32          = OpAccessChain %fp_v4f32 %v %c_u32_0\n"
6765                 "%p_a2f32          = OpAccessChain %fp_a2f32 %v %c_u32_1\n"
6766                 "%p_f32            = OpAccessChain %fp_f32 %v %c_u32_2\n"
6767                 "%v1_v             = OpLoad %v4f32 %v1 ${access_type}\n"
6768                 "%v2_v             = OpLoad %a2f32 %v2 ${access_type}\n"
6769                 "%v3_v             = OpLoad %f32 %v3 ${access_type}\n"
6770
6771                 "                    OpStore %p_v4f32 %v1_v ${access_type}\n"
6772                 "                    OpStore %p_a2f32 %v2_v ${access_type}\n"
6773                 "                    OpStore %p_f32 %v3_v ${access_type}\n"
6774
6775                 "                    OpCopyMemory %vv %v ${access_type}\n"
6776                 "                    OpCopyMemory %vvv %p_f32 ${access_type}\n"
6777
6778                 "%p_f32_2          = OpAccessChain %fp_f32 %vv %c_u32_2\n"
6779                 "%v_f32_2          = OpLoad %f32 %p_f32_2\n"
6780                 "%v_f32_3          = OpLoad %f32 %vvv\n"
6781
6782                 "%ret1             = OpVectorTimesScalar %v4f32 %param1 %v_f32_2\n"
6783                 "%ret2             = OpVectorTimesScalar %v4f32 %ret1 %v_f32_3\n"
6784                 "                    OpReturnValue %ret2\n"
6785                 "                    OpFunctionEnd\n";
6786
6787         struct NameMemoryAccess
6788         {
6789                 string name;
6790                 string accessType;
6791         };
6792
6793
6794         NameMemoryAccess tests[] =
6795         {
6796                 { "none", "" },
6797                 { "volatile", "Volatile" },
6798                 { "aligned",  "Aligned 1" },
6799                 { "volatile_aligned",  "Volatile|Aligned 1" },
6800                 { "nontemporal_aligned",  "Nontemporal|Aligned 1" },
6801                 { "volatile_nontemporal",  "Volatile|Nontemporal" },
6802                 { "volatile_nontermporal_aligned",  "Volatile|Nontemporal|Aligned 1" },
6803         };
6804
6805         getHalfColorsFullAlpha(colors);
6806
6807         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameMemoryAccess); ++testNdx)
6808         {
6809                 map<string, string> fragments;
6810                 map<string, string> memoryAccess;
6811                 memoryAccess["access_type"] = tests[testNdx].accessType;
6812
6813                 fragments["pre_main"] = constantsAndTypes;
6814                 fragments["testfun"] = tcu::StringTemplate(function).specialize(memoryAccess);
6815                 createTestsForAllStages(tests[testNdx].name, colors, colors, fragments, memoryAccessTests.get());
6816         }
6817         return memoryAccessTests.release();
6818 }
6819 tcu::TestCaseGroup* createOpUndefTests(tcu::TestContext& testCtx)
6820 {
6821         de::MovePtr<tcu::TestCaseGroup>         opUndefTests             (new tcu::TestCaseGroup(testCtx, "opundef", "Test OpUndef"));
6822         RGBA                                                            defaultColors[4];
6823         map<string, string>                                     fragments;
6824         getDefaultColors(defaultColors);
6825
6826         // First, simple cases that don't do anything with the OpUndef result.
6827         fragments["testfun"] =
6828                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6829                 "%param1 = OpFunctionParameter %v4f32\n"
6830                 "%label_testfun = OpLabel\n"
6831                 "%undef = OpUndef %type\n"
6832                 "OpReturnValue %param1\n"
6833                 "OpFunctionEnd\n"
6834                 ;
6835         struct NameCodePair { string name, code; };
6836         const NameCodePair tests[] =
6837         {
6838                 {"bool", "%type = OpTypeBool"},
6839                 {"vec2uint32", "%type = OpTypeVector %u32 2"},
6840                 {"image", "%type = OpTypeImage %f32 2D 0 0 0 1 Unknown"},
6841                 {"sampler", "%type = OpTypeSampler"},
6842                 {"sampledimage", "%img = OpTypeImage %f32 2D 0 0 0 1 Unknown\n" "%type = OpTypeSampledImage %img"},
6843                 {"pointer", "%type = OpTypePointer Function %i32"},
6844                 {"runtimearray", "%type = OpTypeRuntimeArray %f32"},
6845                 {"array", "%c_u32_100 = OpConstant %u32 100\n" "%type = OpTypeArray %i32 %c_u32_100"},
6846                 {"struct", "%type = OpTypeStruct %f32 %i32 %u32"}};
6847         for (size_t testNdx = 0; testNdx < sizeof(tests) / sizeof(NameCodePair); ++testNdx)
6848         {
6849                 fragments["pre_main"] = tests[testNdx].code;
6850                 createTestsForAllStages(tests[testNdx].name, defaultColors, defaultColors, fragments, opUndefTests.get());
6851         }
6852         fragments.clear();
6853
6854         fragments["testfun"] =
6855                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6856                 "%param1 = OpFunctionParameter %v4f32\n"
6857                 "%label_testfun = OpLabel\n"
6858                 "%undef = OpUndef %f32\n"
6859                 "%zero = OpFMul %f32 %undef %c_f32_0\n"
6860                 "%is_nan = OpIsNan %bool %zero\n" //OpUndef may result in NaN which may turn %zero into Nan.
6861                 "%actually_zero = OpSelect %f32 %is_nan %c_f32_0 %zero\n"
6862                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6863                 "%b = OpFAdd %f32 %a %actually_zero\n"
6864                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %b %c_i32_0\n"
6865                 "OpReturnValue %ret\n"
6866                 "OpFunctionEnd\n"
6867                 ;
6868         createTestsForAllStages("float32", defaultColors, defaultColors, fragments, opUndefTests.get());
6869
6870         fragments["testfun"] =
6871                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6872                 "%param1 = OpFunctionParameter %v4f32\n"
6873                 "%label_testfun = OpLabel\n"
6874                 "%undef = OpUndef %i32\n"
6875                 "%zero = OpIMul %i32 %undef %c_i32_0\n"
6876                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
6877                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
6878                 "OpReturnValue %ret\n"
6879                 "OpFunctionEnd\n"
6880                 ;
6881         createTestsForAllStages("sint32", defaultColors, defaultColors, fragments, opUndefTests.get());
6882
6883         fragments["testfun"] =
6884                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6885                 "%param1 = OpFunctionParameter %v4f32\n"
6886                 "%label_testfun = OpLabel\n"
6887                 "%undef = OpUndef %u32\n"
6888                 "%zero = OpIMul %u32 %undef %c_i32_0\n"
6889                 "%a = OpVectorExtractDynamic %f32 %param1 %zero\n"
6890                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %a %c_i32_0\n"
6891                 "OpReturnValue %ret\n"
6892                 "OpFunctionEnd\n"
6893                 ;
6894         createTestsForAllStages("uint32", defaultColors, defaultColors, fragments, opUndefTests.get());
6895
6896         fragments["testfun"] =
6897                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6898                 "%param1 = OpFunctionParameter %v4f32\n"
6899                 "%label_testfun = OpLabel\n"
6900                 "%undef = OpUndef %v4f32\n"
6901                 "%vzero = OpVectorTimesScalar %v4f32 %undef %c_f32_0\n"
6902                 "%zero_0 = OpVectorExtractDynamic %f32 %vzero %c_i32_0\n"
6903                 "%zero_1 = OpVectorExtractDynamic %f32 %vzero %c_i32_1\n"
6904                 "%zero_2 = OpVectorExtractDynamic %f32 %vzero %c_i32_2\n"
6905                 "%zero_3 = OpVectorExtractDynamic %f32 %vzero %c_i32_3\n"
6906                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
6907                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
6908                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
6909                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
6910                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
6911                 "%actually_zero_1 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_1\n"
6912                 "%actually_zero_2 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_2\n"
6913                 "%actually_zero_3 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_3\n"
6914                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6915                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
6916                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
6917                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
6918                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
6919                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
6920                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
6921                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
6922                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
6923                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
6924                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
6925                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
6926                 "OpReturnValue %ret\n"
6927                 "OpFunctionEnd\n"
6928                 ;
6929         createTestsForAllStages("vec4float32", defaultColors, defaultColors, fragments, opUndefTests.get());
6930
6931         fragments["pre_main"] =
6932                 "%v2f32 = OpTypeVector %f32 2\n"
6933                 "%m2x2f32 = OpTypeMatrix %v2f32 2\n";
6934         fragments["testfun"] =
6935                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
6936                 "%param1 = OpFunctionParameter %v4f32\n"
6937                 "%label_testfun = OpLabel\n"
6938                 "%undef = OpUndef %m2x2f32\n"
6939                 "%mzero = OpMatrixTimesScalar %m2x2f32 %undef %c_f32_0\n"
6940                 "%zero_0 = OpCompositeExtract %f32 %mzero 0 0\n"
6941                 "%zero_1 = OpCompositeExtract %f32 %mzero 0 1\n"
6942                 "%zero_2 = OpCompositeExtract %f32 %mzero 1 0\n"
6943                 "%zero_3 = OpCompositeExtract %f32 %mzero 1 1\n"
6944                 "%is_nan_0 = OpIsNan %bool %zero_0\n"
6945                 "%is_nan_1 = OpIsNan %bool %zero_1\n"
6946                 "%is_nan_2 = OpIsNan %bool %zero_2\n"
6947                 "%is_nan_3 = OpIsNan %bool %zero_3\n"
6948                 "%actually_zero_0 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_0\n"
6949                 "%actually_zero_1 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_1\n"
6950                 "%actually_zero_2 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_2\n"
6951                 "%actually_zero_3 = OpSelect %f32 %is_nan_0 %c_f32_0 %zero_3\n"
6952                 "%param1_0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
6953                 "%param1_1 = OpVectorExtractDynamic %f32 %param1 %c_i32_1\n"
6954                 "%param1_2 = OpVectorExtractDynamic %f32 %param1 %c_i32_2\n"
6955                 "%param1_3 = OpVectorExtractDynamic %f32 %param1 %c_i32_3\n"
6956                 "%sum_0 = OpFAdd %f32 %param1_0 %actually_zero_0\n"
6957                 "%sum_1 = OpFAdd %f32 %param1_1 %actually_zero_1\n"
6958                 "%sum_2 = OpFAdd %f32 %param1_2 %actually_zero_2\n"
6959                 "%sum_3 = OpFAdd %f32 %param1_3 %actually_zero_3\n"
6960                 "%ret3 = OpVectorInsertDynamic %v4f32 %param1 %sum_3 %c_i32_3\n"
6961                 "%ret2 = OpVectorInsertDynamic %v4f32 %ret3 %sum_2 %c_i32_2\n"
6962                 "%ret1 = OpVectorInsertDynamic %v4f32 %ret2 %sum_1 %c_i32_1\n"
6963                 "%ret = OpVectorInsertDynamic %v4f32 %ret1 %sum_0 %c_i32_0\n"
6964                 "OpReturnValue %ret\n"
6965                 "OpFunctionEnd\n"
6966                 ;
6967         createTestsForAllStages("matrix", defaultColors, defaultColors, fragments, opUndefTests.get());
6968
6969         return opUndefTests.release();
6970 }
6971
6972 void createOpQuantizeSingleOptionTests(tcu::TestCaseGroup* testCtx)
6973 {
6974         const RGBA              inputColors[4]          =
6975         {
6976                 RGBA(0,         0,              0,              255),
6977                 RGBA(0,         0,              255,    255),
6978                 RGBA(0,         255,    0,              255),
6979                 RGBA(0,         255,    255,    255)
6980         };
6981
6982         const RGBA              expectedColors[4]       =
6983         {
6984                 RGBA(255,        0,              0,              255),
6985                 RGBA(255,        0,              0,              255),
6986                 RGBA(255,        0,              0,              255),
6987                 RGBA(255,        0,              0,              255)
6988         };
6989
6990         const struct SingleFP16Possibility
6991         {
6992                 const char* name;
6993                 const char* constant;  // Value to assign to %test_constant.
6994                 float           valueAsFloat;
6995                 const char* condition; // Must assign to %cond an expression that evaluates to true after %c = OpQuantizeToF16(%test_constant + 0).
6996         }                               tests[]                         =
6997         {
6998                 {
6999                         "negative",
7000                         "-0x1.3p1\n",
7001                         -constructNormalizedFloat(1, 0x300000),
7002                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
7003                 }, // -19
7004                 {
7005                         "positive",
7006                         "0x1.0p7\n",
7007                         constructNormalizedFloat(7, 0x000000),
7008                         "%cond = OpFOrdEqual %bool %c %test_constant\n"
7009                 },  // +128
7010                 // SPIR-V requires that OpQuantizeToF16 flushes
7011                 // any numbers that would end up denormalized in F16 to zero.
7012                 {
7013                         "denorm",
7014                         "0x0.0006p-126\n",
7015                         std::ldexp(1.5f, -140),
7016                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7017                 },  // denorm
7018                 {
7019                         "negative_denorm",
7020                         "-0x0.0006p-126\n",
7021                         -std::ldexp(1.5f, -140),
7022                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7023                 }, // -denorm
7024                 {
7025                         "too_small",
7026                         "0x1.0p-16\n",
7027                         std::ldexp(1.0f, -16),
7028                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7029                 },     // too small positive
7030                 {
7031                         "negative_too_small",
7032                         "-0x1.0p-32\n",
7033                         -std::ldexp(1.0f, -32),
7034                         "%cond = OpFOrdEqual %bool %c %c_f32_0\n"
7035                 },      // too small negative
7036                 {
7037                         "negative_inf",
7038                         "-0x1.0p128\n",
7039                         -std::ldexp(1.0f, 128),
7040
7041                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
7042                         "%inf = OpIsInf %bool %c\n"
7043                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7044                 },     // -inf to -inf
7045                 {
7046                         "inf",
7047                         "0x1.0p128\n",
7048                         std::ldexp(1.0f, 128),
7049
7050                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
7051                         "%inf = OpIsInf %bool %c\n"
7052                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7053                 },     // +inf to +inf
7054                 {
7055                         "round_to_negative_inf",
7056                         "-0x1.0p32\n",
7057                         -std::ldexp(1.0f, 32),
7058
7059                         "%gz = OpFOrdLessThan %bool %c %c_f32_0\n"
7060                         "%inf = OpIsInf %bool %c\n"
7061                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7062                 },     // round to -inf
7063                 {
7064                         "round_to_inf",
7065                         "0x1.0p16\n",
7066                         std::ldexp(1.0f, 16),
7067
7068                         "%gz = OpFOrdGreaterThan %bool %c %c_f32_0\n"
7069                         "%inf = OpIsInf %bool %c\n"
7070                         "%cond = OpLogicalAnd %bool %gz %inf\n"
7071                 },     // round to +inf
7072                 {
7073                         "nan",
7074                         "0x1.1p128\n",
7075                         std::numeric_limits<float>::quiet_NaN(),
7076
7077                         // Test for any NaN value, as NaNs are not preserved
7078                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
7079                         "%cond = OpIsNan %bool %direct_quant\n"
7080                 }, // nan
7081                 {
7082                         "negative_nan",
7083                         "-0x1.0001p128\n",
7084                         std::numeric_limits<float>::quiet_NaN(),
7085
7086                         // Test for any NaN value, as NaNs are not preserved
7087                         "%direct_quant = OpQuantizeToF16 %f32 %test_constant\n"
7088                         "%cond = OpIsNan %bool %direct_quant\n"
7089                 } // -nan
7090         };
7091         const char*             constants                       =
7092                 "%test_constant = OpConstant %f32 ";  // The value will be test.constant.
7093
7094         StringTemplate  function                        (
7095                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
7096                 "%param1        = OpFunctionParameter %v4f32\n"
7097                 "%label_testfun = OpLabel\n"
7098                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7099                 "%b             = OpFAdd %f32 %test_constant %a\n"
7100                 "%c             = OpQuantizeToF16 %f32 %b\n"
7101                 "${condition}\n"
7102                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7103                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
7104                 "                 OpReturnValue %retval\n"
7105                 "OpFunctionEnd\n"
7106         );
7107
7108         const char*             specDecorations         = "OpDecorate %test_constant SpecId 0\n";
7109         const char*             specConstants           =
7110                         "%test_constant = OpSpecConstant %f32 0.\n"
7111                         "%c             = OpSpecConstantOp %f32 QuantizeToF16 %test_constant\n";
7112
7113         StringTemplate  specConstantFunction(
7114                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
7115                 "%param1        = OpFunctionParameter %v4f32\n"
7116                 "%label_testfun = OpLabel\n"
7117                 "${condition}\n"
7118                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7119                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1\n"
7120                 "                 OpReturnValue %retval\n"
7121                 "OpFunctionEnd\n"
7122         );
7123
7124         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
7125         {
7126                 map<string, string>                                                             codeSpecialization;
7127                 map<string, string>                                                             fragments;
7128                 codeSpecialization["condition"]                                 = tests[idx].condition;
7129                 fragments["testfun"]                                                    = function.specialize(codeSpecialization);
7130                 fragments["pre_main"]                                                   = string(constants) + tests[idx].constant + "\n";
7131                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
7132         }
7133
7134         for (size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx)
7135         {
7136                 map<string, string>                                                             codeSpecialization;
7137                 map<string, string>                                                             fragments;
7138                 vector<deInt32>                                                                 passConstants;
7139                 deInt32                                                                                 specConstant;
7140
7141                 codeSpecialization["condition"]                                 = tests[idx].condition;
7142                 fragments["testfun"]                                                    = specConstantFunction.specialize(codeSpecialization);
7143                 fragments["decoration"]                                                 = specDecorations;
7144                 fragments["pre_main"]                                                   = specConstants;
7145
7146                 memcpy(&specConstant, &tests[idx].valueAsFloat, sizeof(float));
7147                 passConstants.push_back(specConstant);
7148
7149                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
7150         }
7151 }
7152
7153 void createOpQuantizeTwoPossibilityTests(tcu::TestCaseGroup* testCtx)
7154 {
7155         RGBA inputColors[4] =  {
7156                 RGBA(0,         0,              0,              255),
7157                 RGBA(0,         0,              255,    255),
7158                 RGBA(0,         255,    0,              255),
7159                 RGBA(0,         255,    255,    255)
7160         };
7161
7162         RGBA expectedColors[4] =
7163         {
7164                 RGBA(255,        0,              0,              255),
7165                 RGBA(255,        0,              0,              255),
7166                 RGBA(255,        0,              0,              255),
7167                 RGBA(255,        0,              0,              255)
7168         };
7169
7170         struct DualFP16Possibility
7171         {
7172                 const char* name;
7173                 const char* input;
7174                 float           inputAsFloat;
7175                 const char* possibleOutput1;
7176                 const char* possibleOutput2;
7177         } tests[] = {
7178                 {
7179                         "positive_round_up_or_round_down",
7180                         "0x1.3003p8",
7181                         constructNormalizedFloat(8, 0x300300),
7182                         "0x1.304p8",
7183                         "0x1.3p8"
7184                 },
7185                 {
7186                         "negative_round_up_or_round_down",
7187                         "-0x1.6008p-7",
7188                         -constructNormalizedFloat(-7, 0x600800),
7189                         "-0x1.6p-7",
7190                         "-0x1.604p-7"
7191                 },
7192                 {
7193                         "carry_bit",
7194                         "0x1.01ep2",
7195                         constructNormalizedFloat(2, 0x01e000),
7196                         "0x1.01cp2",
7197                         "0x1.02p2"
7198                 },
7199                 {
7200                         "carry_to_exponent",
7201                         "0x1.ffep1",
7202                         constructNormalizedFloat(1, 0xffe000),
7203                         "0x1.ffcp1",
7204                         "0x1.0p2"
7205                 },
7206         };
7207         StringTemplate constants (
7208                 "%input_const = OpConstant %f32 ${input}\n"
7209                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
7210                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
7211                 );
7212
7213         StringTemplate specConstants (
7214                 "%input_const = OpSpecConstant %f32 0.\n"
7215                 "%possible_solution1 = OpConstant %f32 ${output1}\n"
7216                 "%possible_solution2 = OpConstant %f32 ${output2}\n"
7217         );
7218
7219         const char* specDecorations = "OpDecorate %input_const  SpecId 0\n";
7220
7221         const char* function  =
7222                 "%test_code     = OpFunction %v4f32 None %v4f32_function\n"
7223                 "%param1        = OpFunctionParameter %v4f32\n"
7224                 "%label_testfun = OpLabel\n"
7225                 "%a             = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7226                 // For the purposes of this test we assume that 0.f will always get
7227                 // faithfully passed through the pipeline stages.
7228                 "%b             = OpFAdd %f32 %input_const %a\n"
7229                 "%c             = OpQuantizeToF16 %f32 %b\n"
7230                 "%eq_1          = OpFOrdEqual %bool %c %possible_solution1\n"
7231                 "%eq_2          = OpFOrdEqual %bool %c %possible_solution2\n"
7232                 "%cond          = OpLogicalOr %bool %eq_1 %eq_2\n"
7233                 "%v4cond        = OpCompositeConstruct %v4bool %cond %cond %cond %cond\n"
7234                 "%retval        = OpSelect %v4f32 %v4cond %c_v4f32_1_0_0_1 %param1"
7235                 "                 OpReturnValue %retval\n"
7236                 "OpFunctionEnd\n";
7237
7238         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
7239                 map<string, string>                                                                     fragments;
7240                 map<string, string>                                                                     constantSpecialization;
7241
7242                 constantSpecialization["input"]                                         = tests[idx].input;
7243                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
7244                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
7245                 fragments["testfun"]                                                            = function;
7246                 fragments["pre_main"]                                                           = constants.specialize(constantSpecialization);
7247                 createTestsForAllStages(tests[idx].name, inputColors, expectedColors, fragments, testCtx);
7248         }
7249
7250         for(size_t idx = 0; idx < (sizeof(tests)/sizeof(tests[0])); ++idx) {
7251                 map<string, string>                                                                     fragments;
7252                 map<string, string>                                                                     constantSpecialization;
7253                 vector<deInt32>                                                                         passConstants;
7254                 deInt32                                                                                         specConstant;
7255
7256                 constantSpecialization["output1"]                                       = tests[idx].possibleOutput1;
7257                 constantSpecialization["output2"]                                       = tests[idx].possibleOutput2;
7258                 fragments["testfun"]                                                            = function;
7259                 fragments["decoration"]                                                         = specDecorations;
7260                 fragments["pre_main"]                                                           = specConstants.specialize(constantSpecialization);
7261
7262                 memcpy(&specConstant, &tests[idx].inputAsFloat, sizeof(float));
7263                 passConstants.push_back(specConstant);
7264
7265                 createTestsForAllStages(string("spec_const_") + tests[idx].name, inputColors, expectedColors, fragments, passConstants, testCtx);
7266         }
7267 }
7268
7269 tcu::TestCaseGroup* createOpQuantizeTests(tcu::TestContext& testCtx)
7270 {
7271         de::MovePtr<tcu::TestCaseGroup> opQuantizeTests (new tcu::TestCaseGroup(testCtx, "opquantize", "Test OpQuantizeToF16"));
7272         createOpQuantizeSingleOptionTests(opQuantizeTests.get());
7273         createOpQuantizeTwoPossibilityTests(opQuantizeTests.get());
7274         return opQuantizeTests.release();
7275 }
7276
7277 struct ShaderPermutation
7278 {
7279         deUint8 vertexPermutation;
7280         deUint8 geometryPermutation;
7281         deUint8 tesscPermutation;
7282         deUint8 tessePermutation;
7283         deUint8 fragmentPermutation;
7284 };
7285
7286 ShaderPermutation getShaderPermutation(deUint8 inputValue)
7287 {
7288         ShaderPermutation       permutation =
7289         {
7290                 static_cast<deUint8>(inputValue & 0x10? 1u: 0u),
7291                 static_cast<deUint8>(inputValue & 0x08? 1u: 0u),
7292                 static_cast<deUint8>(inputValue & 0x04? 1u: 0u),
7293                 static_cast<deUint8>(inputValue & 0x02? 1u: 0u),
7294                 static_cast<deUint8>(inputValue & 0x01? 1u: 0u)
7295         };
7296         return permutation;
7297 }
7298
7299 tcu::TestCaseGroup* createModuleTests(tcu::TestContext& testCtx)
7300 {
7301         RGBA                                                            defaultColors[4];
7302         RGBA                                                            invertedColors[4];
7303         de::MovePtr<tcu::TestCaseGroup>         moduleTests                     (new tcu::TestCaseGroup(testCtx, "module", "Multiple entry points into shaders"));
7304
7305         const ShaderElement                                     combinedPipeline[]      =
7306         {
7307                 ShaderElement("module", "main", VK_SHADER_STAGE_VERTEX_BIT),
7308                 ShaderElement("module", "main", VK_SHADER_STAGE_GEOMETRY_BIT),
7309                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
7310                 ShaderElement("module", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
7311                 ShaderElement("module", "main", VK_SHADER_STAGE_FRAGMENT_BIT)
7312         };
7313
7314         getDefaultColors(defaultColors);
7315         getInvertedDefaultColors(invertedColors);
7316         addFunctionCaseWithPrograms<InstanceContext>(moduleTests.get(), "same_module", "", createCombinedModule, runAndVerifyDefaultPipeline, createInstanceContext(combinedPipeline, map<string, string>()));
7317
7318         const char* numbers[] =
7319         {
7320                 "1", "2"
7321         };
7322
7323         for (deInt8 idx = 0; idx < 32; ++idx)
7324         {
7325                 ShaderPermutation                       permutation             = getShaderPermutation(idx);
7326                 string                                          name                    = string("vert") + numbers[permutation.vertexPermutation] + "_geom" + numbers[permutation.geometryPermutation] + "_tessc" + numbers[permutation.tesscPermutation] + "_tesse" + numbers[permutation.tessePermutation] + "_frag" + numbers[permutation.fragmentPermutation];
7327                 const ShaderElement                     pipeline[]              =
7328                 {
7329                         ShaderElement("vert",   string("vert") +        numbers[permutation.vertexPermutation],         VK_SHADER_STAGE_VERTEX_BIT),
7330                         ShaderElement("geom",   string("geom") +        numbers[permutation.geometryPermutation],       VK_SHADER_STAGE_GEOMETRY_BIT),
7331                         ShaderElement("tessc",  string("tessc") +       numbers[permutation.tesscPermutation],          VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
7332                         ShaderElement("tesse",  string("tesse") +       numbers[permutation.tessePermutation],          VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
7333                         ShaderElement("frag",   string("frag") +        numbers[permutation.fragmentPermutation],       VK_SHADER_STAGE_FRAGMENT_BIT)
7334                 };
7335
7336                 // If there are an even number of swaps, then it should be no-op.
7337                 // If there are an odd number, the color should be flipped.
7338                 if ((permutation.vertexPermutation + permutation.geometryPermutation + permutation.tesscPermutation + permutation.tessePermutation + permutation.fragmentPermutation) % 2 == 0)
7339                 {
7340                         addFunctionCaseWithPrograms<InstanceContext>(moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline, createInstanceContext(pipeline, defaultColors, defaultColors, map<string, string>()));
7341                 }
7342                 else
7343                 {
7344                         addFunctionCaseWithPrograms<InstanceContext>(moduleTests.get(), name, "", createMultipleEntries, runAndVerifyDefaultPipeline, createInstanceContext(pipeline, defaultColors, invertedColors, map<string, string>()));
7345                 }
7346         }
7347         return moduleTests.release();
7348 }
7349
7350 tcu::TestCaseGroup* createLoopTests(tcu::TestContext& testCtx)
7351 {
7352         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "loop", "Looping control flow"));
7353         RGBA defaultColors[4];
7354         getDefaultColors(defaultColors);
7355         map<string, string> fragments;
7356         fragments["pre_main"] =
7357                 "%c_f32_5 = OpConstant %f32 5.\n";
7358
7359         // A loop with a single block. The Continue Target is the loop block
7360         // itself. In SPIR-V terms, the "loop construct" contains no blocks at all
7361         // -- the "continue construct" forms the entire loop.
7362         fragments["testfun"] =
7363                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7364                 "%param1 = OpFunctionParameter %v4f32\n"
7365
7366                 "%entry = OpLabel\n"
7367                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7368                 "OpBranch %loop\n"
7369
7370                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
7371                 "%loop = OpLabel\n"
7372                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
7373                 "%delta = OpPhi %f32 %c_f32_1 %entry %minus_delta %loop\n"
7374                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
7375                 "%val = OpFAdd %f32 %val1 %delta\n"
7376                 "%minus_delta = OpFSub %f32 %c_f32_0 %delta\n"
7377                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7378                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7379                 "OpLoopMerge %exit %loop None\n"
7380                 "OpBranchConditional %again %loop %exit\n"
7381
7382                 "%exit = OpLabel\n"
7383                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
7384                 "OpReturnValue %result\n"
7385
7386                 "OpFunctionEnd\n"
7387                 ;
7388         createTestsForAllStages("single_block", defaultColors, defaultColors, fragments, testGroup.get());
7389
7390         // Body comprised of multiple basic blocks.
7391         const StringTemplate multiBlock(
7392                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7393                 "%param1 = OpFunctionParameter %v4f32\n"
7394
7395                 "%entry = OpLabel\n"
7396                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7397                 "OpBranch %loop\n"
7398
7399                 ";adds and subtracts 1.0 to %val in alternate iterations\n"
7400                 "%loop = OpLabel\n"
7401                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %gather\n"
7402                 "%delta = OpPhi %f32 %c_f32_1 %entry %delta_next %gather\n"
7403                 "%val1 = OpPhi %f32 %val0 %entry %val %gather\n"
7404                 // There are several possibilities for the Continue Target below.  Each
7405                 // will be specialized into a separate test case.
7406                 "OpLoopMerge %exit ${continue_target} None\n"
7407                 "OpBranch %if\n"
7408
7409                 "%if = OpLabel\n"
7410                 ";delta_next = (delta > 0) ? -1 : 1;\n"
7411                 "%gt0 = OpFOrdGreaterThan %bool %delta %c_f32_0\n"
7412                 "OpSelectionMerge %gather DontFlatten\n"
7413                 "OpBranchConditional %gt0 %even %odd ;tells us if %count is even or odd\n"
7414
7415                 "%odd = OpLabel\n"
7416                 "OpBranch %gather\n"
7417
7418                 "%even = OpLabel\n"
7419                 "OpBranch %gather\n"
7420
7421                 "%gather = OpLabel\n"
7422                 "%delta_next = OpPhi %f32 %c_f32_n1 %even %c_f32_1 %odd\n"
7423                 "%val = OpFAdd %f32 %val1 %delta\n"
7424                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7425                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7426                 "OpBranchConditional %again %loop %exit\n"
7427
7428                 "%exit = OpLabel\n"
7429                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val %c_i32_0\n"
7430                 "OpReturnValue %result\n"
7431
7432                 "OpFunctionEnd\n");
7433
7434         map<string, string> continue_target;
7435
7436         // The Continue Target is the loop block itself.
7437         continue_target["continue_target"] = "%loop";
7438         fragments["testfun"] = multiBlock.specialize(continue_target);
7439         createTestsForAllStages("multi_block_continue_construct", defaultColors, defaultColors, fragments, testGroup.get());
7440
7441         // The Continue Target is at the end of the loop.
7442         continue_target["continue_target"] = "%gather";
7443         fragments["testfun"] = multiBlock.specialize(continue_target);
7444         createTestsForAllStages("multi_block_loop_construct", defaultColors, defaultColors, fragments, testGroup.get());
7445
7446         // A loop with continue statement.
7447         fragments["testfun"] =
7448                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7449                 "%param1 = OpFunctionParameter %v4f32\n"
7450
7451                 "%entry = OpLabel\n"
7452                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7453                 "OpBranch %loop\n"
7454
7455                 ";adds 4, 3, and 1 to %val0 (skips 2)\n"
7456                 "%loop = OpLabel\n"
7457                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7458                 "%val1 = OpPhi %f32 %val0 %entry %val %continue\n"
7459                 "OpLoopMerge %exit %continue None\n"
7460                 "OpBranch %if\n"
7461
7462                 "%if = OpLabel\n"
7463                 ";skip if %count==2\n"
7464                 "%eq2 = OpIEqual %bool %count %c_i32_2\n"
7465                 "OpSelectionMerge %continue DontFlatten\n"
7466                 "OpBranchConditional %eq2 %continue %body\n"
7467
7468                 "%body = OpLabel\n"
7469                 "%fcount = OpConvertSToF %f32 %count\n"
7470                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7471                 "OpBranch %continue\n"
7472
7473                 "%continue = OpLabel\n"
7474                 "%val = OpPhi %f32 %val2 %body %val1 %if\n"
7475                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7476                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7477                 "OpBranchConditional %again %loop %exit\n"
7478
7479                 "%exit = OpLabel\n"
7480                 "%same = OpFSub %f32 %val %c_f32_8\n"
7481                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7482                 "OpReturnValue %result\n"
7483                 "OpFunctionEnd\n";
7484         createTestsForAllStages("continue", defaultColors, defaultColors, fragments, testGroup.get());
7485
7486         // A loop with break.
7487         fragments["testfun"] =
7488                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7489                 "%param1 = OpFunctionParameter %v4f32\n"
7490
7491                 "%entry = OpLabel\n"
7492                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7493                 "%dot = OpDot %f32 %param1 %param1\n"
7494                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7495                 "%zero = OpConvertFToU %u32 %div\n"
7496                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
7497                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7498                 "OpBranch %loop\n"
7499
7500                 ";adds 4 and 3 to %val0 (exits early)\n"
7501                 "%loop = OpLabel\n"
7502                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7503                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
7504                 "OpLoopMerge %exit %continue None\n"
7505                 "OpBranch %if\n"
7506
7507                 "%if = OpLabel\n"
7508                 ";end loop if %count==%two\n"
7509                 "%above2 = OpSGreaterThan %bool %count %two\n"
7510                 "OpSelectionMerge %continue DontFlatten\n"
7511                 "OpBranchConditional %above2 %body %exit\n"
7512
7513                 "%body = OpLabel\n"
7514                 "%fcount = OpConvertSToF %f32 %count\n"
7515                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7516                 "OpBranch %continue\n"
7517
7518                 "%continue = OpLabel\n"
7519                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7520                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7521                 "OpBranchConditional %again %loop %exit\n"
7522
7523                 "%exit = OpLabel\n"
7524                 "%val_post = OpPhi %f32 %val2 %continue %val1 %if\n"
7525                 "%same = OpFSub %f32 %val_post %c_f32_7\n"
7526                 "%result = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7527                 "OpReturnValue %result\n"
7528                 "OpFunctionEnd\n";
7529         createTestsForAllStages("break", defaultColors, defaultColors, fragments, testGroup.get());
7530
7531         // A loop with return.
7532         fragments["testfun"] =
7533                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7534                 "%param1 = OpFunctionParameter %v4f32\n"
7535
7536                 "%entry = OpLabel\n"
7537                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7538                 "%dot = OpDot %f32 %param1 %param1\n"
7539                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7540                 "%zero = OpConvertFToU %u32 %div\n"
7541                 "%two = OpIAdd %i32 %zero %c_i32_2\n"
7542                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7543                 "OpBranch %loop\n"
7544
7545                 ";returns early without modifying %param1\n"
7546                 "%loop = OpLabel\n"
7547                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %continue\n"
7548                 "%val1 = OpPhi %f32 %val0 %entry %val2 %continue\n"
7549                 "OpLoopMerge %exit %continue None\n"
7550                 "OpBranch %if\n"
7551
7552                 "%if = OpLabel\n"
7553                 ";return if %count==%two\n"
7554                 "%above2 = OpSGreaterThan %bool %count %two\n"
7555                 "OpSelectionMerge %continue DontFlatten\n"
7556                 "OpBranchConditional %above2 %body %early_exit\n"
7557
7558                 "%early_exit = OpLabel\n"
7559                 "OpReturnValue %param1\n"
7560
7561                 "%body = OpLabel\n"
7562                 "%fcount = OpConvertSToF %f32 %count\n"
7563                 "%val2 = OpFAdd %f32 %val1 %fcount\n"
7564                 "OpBranch %continue\n"
7565
7566                 "%continue = OpLabel\n"
7567                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7568                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7569                 "OpBranchConditional %again %loop %exit\n"
7570
7571                 "%exit = OpLabel\n"
7572                 ";should never get here, so return an incorrect result\n"
7573                 "%result = OpVectorInsertDynamic %v4f32 %param1 %val2 %c_i32_0\n"
7574                 "OpReturnValue %result\n"
7575                 "OpFunctionEnd\n";
7576         createTestsForAllStages("return", defaultColors, defaultColors, fragments, testGroup.get());
7577
7578         return testGroup.release();
7579 }
7580
7581 // Adds a new test to group using custom fragments for the tessellation-control
7582 // stage and passthrough fragments for all other stages.  Uses default colors
7583 // for input and expected output.
7584 void addTessCtrlTest(tcu::TestCaseGroup* group, const char* name, const map<string, string>& fragments)
7585 {
7586         RGBA defaultColors[4];
7587         getDefaultColors(defaultColors);
7588         const ShaderElement pipelineStages[] =
7589         {
7590                 ShaderElement("vert", "main", VK_SHADER_STAGE_VERTEX_BIT),
7591                 ShaderElement("tessc", "main", VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT),
7592                 ShaderElement("tesse", "main", VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT),
7593                 ShaderElement("frag", "main", VK_SHADER_STAGE_FRAGMENT_BIT),
7594         };
7595
7596         addFunctionCaseWithPrograms<InstanceContext>(group, name, "", addShaderCodeCustomTessControl,
7597                                                                                                  runAndVerifyDefaultPipeline, createInstanceContext(
7598                                                                                                          pipelineStages, defaultColors, defaultColors, fragments, StageToSpecConstantMap()));
7599 }
7600
7601 // A collection of tests putting OpControlBarrier in places GLSL forbids but SPIR-V allows.
7602 tcu::TestCaseGroup* createBarrierTests(tcu::TestContext& testCtx)
7603 {
7604         de::MovePtr<tcu::TestCaseGroup> testGroup(new tcu::TestCaseGroup(testCtx, "barrier", "OpControlBarrier"));
7605         map<string, string> fragments;
7606
7607         // A barrier inside a function body.
7608         fragments["pre_main"] =
7609                 "%Workgroup = OpConstant %i32 2\n"
7610                 "%SequentiallyConsistent = OpConstant %i32 0x10\n";
7611         fragments["testfun"] =
7612                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7613                 "%param1 = OpFunctionParameter %v4f32\n"
7614                 "%label_testfun = OpLabel\n"
7615                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7616                 "OpReturnValue %param1\n"
7617                 "OpFunctionEnd\n";
7618         addTessCtrlTest(testGroup.get(), "in_function", fragments);
7619
7620         // Common setup code for the following tests.
7621         fragments["pre_main"] =
7622                 "%Workgroup = OpConstant %i32 2\n"
7623                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
7624                 "%c_f32_5 = OpConstant %f32 5.\n";
7625         const string setupPercentZero =  // Begins %test_code function with code that sets %zero to 0u but cannot be optimized away.
7626                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7627                 "%param1 = OpFunctionParameter %v4f32\n"
7628                 "%entry = OpLabel\n"
7629                 ";param1 components are between 0 and 1, so dot product is 4 or less\n"
7630                 "%dot = OpDot %f32 %param1 %param1\n"
7631                 "%div = OpFDiv %f32 %dot %c_f32_5\n"
7632                 "%zero = OpConvertFToU %u32 %div\n";
7633
7634         // Barriers inside OpSwitch branches.
7635         fragments["testfun"] =
7636                 setupPercentZero +
7637                 "OpSelectionMerge %switch_exit None\n"
7638                 "OpSwitch %zero %switch_default 0 %case0 1 %case1 ;should always go to %case0\n"
7639
7640                 "%case1 = OpLabel\n"
7641                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7642                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7643                 "%wrong_branch_alert1 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7644                 "OpBranch %switch_exit\n"
7645
7646                 "%switch_default = OpLabel\n"
7647                 "%wrong_branch_alert2 = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7648                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7649                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7650                 "OpBranch %switch_exit\n"
7651
7652                 "%case0 = OpLabel\n"
7653                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7654                 "OpBranch %switch_exit\n"
7655
7656                 "%switch_exit = OpLabel\n"
7657                 "%ret = OpPhi %v4f32 %param1 %case0 %wrong_branch_alert1 %case1 %wrong_branch_alert2 %switch_default\n"
7658                 "OpReturnValue %ret\n"
7659                 "OpFunctionEnd\n";
7660         addTessCtrlTest(testGroup.get(), "in_switch", fragments);
7661
7662         // Barriers inside if-then-else.
7663         fragments["testfun"] =
7664                 setupPercentZero +
7665                 "%eq0 = OpIEqual %bool %zero %c_u32_0\n"
7666                 "OpSelectionMerge %exit DontFlatten\n"
7667                 "OpBranchConditional %eq0 %then %else\n"
7668
7669                 "%else = OpLabel\n"
7670                 ";This barrier should never be executed, but its presence makes test failure more likely when there's a bug.\n"
7671                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7672                 "%wrong_branch_alert = OpVectorInsertDynamic %v4f32 %param1 %c_f32_0_5 %c_i32_0\n"
7673                 "OpBranch %exit\n"
7674
7675                 "%then = OpLabel\n"
7676                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7677                 "OpBranch %exit\n"
7678
7679                 "%exit = OpLabel\n"
7680                 "%ret = OpPhi %v4f32 %param1 %then %wrong_branch_alert %else\n"
7681                 "OpReturnValue %ret\n"
7682                 "OpFunctionEnd\n";
7683         addTessCtrlTest(testGroup.get(), "in_if", fragments);
7684
7685         // A barrier after control-flow reconvergence, tempting the compiler to attempt something like this:
7686         // http://lists.llvm.org/pipermail/llvm-dev/2009-October/026317.html.
7687         fragments["testfun"] =
7688                 setupPercentZero +
7689                 "%thread_id = OpLoad %i32 %BP_gl_InvocationID\n"
7690                 "%thread0 = OpIEqual %bool %thread_id %c_i32_0\n"
7691                 "OpSelectionMerge %exit DontFlatten\n"
7692                 "OpBranchConditional %thread0 %then %else\n"
7693
7694                 "%else = OpLabel\n"
7695                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7696                 "OpBranch %exit\n"
7697
7698                 "%then = OpLabel\n"
7699                 "%val1 = OpVectorExtractDynamic %f32 %param1 %zero\n"
7700                 "OpBranch %exit\n"
7701
7702                 "%exit = OpLabel\n"
7703                 "%val = OpPhi %f32 %val0 %else %val1 %then\n"
7704                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7705                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %val %zero\n"
7706                 "OpReturnValue %ret\n"
7707                 "OpFunctionEnd\n";
7708         addTessCtrlTest(testGroup.get(), "after_divergent_if", fragments);
7709
7710         // A barrier inside a loop.
7711         fragments["pre_main"] =
7712                 "%Workgroup = OpConstant %i32 2\n"
7713                 "%SequentiallyConsistent = OpConstant %i32 0x10\n"
7714                 "%c_f32_10 = OpConstant %f32 10.\n";
7715         fragments["testfun"] =
7716                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7717                 "%param1 = OpFunctionParameter %v4f32\n"
7718                 "%entry = OpLabel\n"
7719                 "%val0 = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
7720                 "OpBranch %loop\n"
7721
7722                 ";adds 4, 3, 2, and 1 to %val0\n"
7723                 "%loop = OpLabel\n"
7724                 "%count = OpPhi %i32 %c_i32_4 %entry %count__ %loop\n"
7725                 "%val1 = OpPhi %f32 %val0 %entry %val %loop\n"
7726                 "OpControlBarrier %Workgroup %Workgroup %SequentiallyConsistent\n"
7727                 "%fcount = OpConvertSToF %f32 %count\n"
7728                 "%val = OpFAdd %f32 %val1 %fcount\n"
7729                 "%count__ = OpISub %i32 %count %c_i32_1\n"
7730                 "%again = OpSGreaterThan %bool %count__ %c_i32_0\n"
7731                 "OpLoopMerge %exit %loop None\n"
7732                 "OpBranchConditional %again %loop %exit\n"
7733
7734                 "%exit = OpLabel\n"
7735                 "%same = OpFSub %f32 %val %c_f32_10\n"
7736                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %same %c_i32_0\n"
7737                 "OpReturnValue %ret\n"
7738                 "OpFunctionEnd\n";
7739         addTessCtrlTest(testGroup.get(), "in_loop", fragments);
7740
7741         return testGroup.release();
7742 }
7743
7744 // Test for the OpFRem instruction.
7745 tcu::TestCaseGroup* createFRemTests(tcu::TestContext& testCtx)
7746 {
7747         de::MovePtr<tcu::TestCaseGroup>         testGroup(new tcu::TestCaseGroup(testCtx, "frem", "OpFRem"));
7748         map<string, string>                                     fragments;
7749         RGBA                                                            inputColors[4];
7750         RGBA                                                            outputColors[4];
7751
7752         fragments["pre_main"]                            =
7753                 "%c_f32_3 = OpConstant %f32 3.0\n"
7754                 "%c_f32_n3 = OpConstant %f32 -3.0\n"
7755                 "%c_f32_4 = OpConstant %f32 4.0\n"
7756                 "%c_f32_p75 = OpConstant %f32 0.75\n"
7757                 "%c_v4f32_p75_p75_p75_p75 = OpConstantComposite %v4f32 %c_f32_p75 %c_f32_p75 %c_f32_p75 %c_f32_p75 \n"
7758                 "%c_v4f32_4_4_4_4 = OpConstantComposite %v4f32 %c_f32_4 %c_f32_4 %c_f32_4 %c_f32_4\n"
7759                 "%c_v4f32_3_n3_3_n3 = OpConstantComposite %v4f32 %c_f32_3 %c_f32_n3 %c_f32_3 %c_f32_n3\n";
7760
7761         // The test does the following.
7762         // vec4 result = (param1 * 8.0) - 4.0;
7763         // return (frem(result.x,3) + 0.75, frem(result.y, -3) + 0.75, 0, 1)
7764         fragments["testfun"]                             =
7765                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
7766                 "%param1 = OpFunctionParameter %v4f32\n"
7767                 "%label_testfun = OpLabel\n"
7768                 "%v_times_8 = OpVectorTimesScalar %v4f32 %param1 %c_f32_8\n"
7769                 "%minus_4 = OpFSub %v4f32 %v_times_8 %c_v4f32_4_4_4_4\n"
7770                 "%frem = OpFRem %v4f32 %minus_4 %c_v4f32_3_n3_3_n3\n"
7771                 "%added = OpFAdd %v4f32 %frem %c_v4f32_p75_p75_p75_p75\n"
7772                 "%xyz_1 = OpVectorInsertDynamic %v4f32 %added %c_f32_1 %c_i32_3\n"
7773                 "%xy_0_1 = OpVectorInsertDynamic %v4f32 %xyz_1 %c_f32_0 %c_i32_2\n"
7774                 "OpReturnValue %xy_0_1\n"
7775                 "OpFunctionEnd\n";
7776
7777
7778         inputColors[0]          = RGBA(16,      16,             0, 255);
7779         inputColors[1]          = RGBA(232, 232,        0, 255);
7780         inputColors[2]          = RGBA(232, 16,         0, 255);
7781         inputColors[3]          = RGBA(16,      232,    0, 255);
7782
7783         outputColors[0]         = RGBA(64,      64,             0, 255);
7784         outputColors[1]         = RGBA(255, 255,        0, 255);
7785         outputColors[2]         = RGBA(255, 64,         0, 255);
7786         outputColors[3]         = RGBA(64,      255,    0, 255);
7787
7788         createTestsForAllStages("frem", inputColors, outputColors, fragments, testGroup.get());
7789         return testGroup.release();
7790 }
7791
7792 enum IntegerType
7793 {
7794         INTEGER_TYPE_SIGNED_16,
7795         INTEGER_TYPE_SIGNED_32,
7796         INTEGER_TYPE_SIGNED_64,
7797
7798         INTEGER_TYPE_UNSIGNED_16,
7799         INTEGER_TYPE_UNSIGNED_32,
7800         INTEGER_TYPE_UNSIGNED_64,
7801 };
7802
7803 const string getBitWidthStr (IntegerType type)
7804 {
7805         switch (type)
7806         {
7807                 case INTEGER_TYPE_SIGNED_16:
7808                 case INTEGER_TYPE_UNSIGNED_16:  return "16";
7809
7810                 case INTEGER_TYPE_SIGNED_32:
7811                 case INTEGER_TYPE_UNSIGNED_32:  return "32";
7812
7813                 case INTEGER_TYPE_SIGNED_64:
7814                 case INTEGER_TYPE_UNSIGNED_64:  return "64";
7815
7816                 default:                                                DE_ASSERT(false);
7817                                                                                 return "";
7818         }
7819 }
7820
7821 bool isSigned (IntegerType type)
7822 {
7823         return (type <= INTEGER_TYPE_SIGNED_64);
7824 }
7825
7826 const string getTypeName (IntegerType type)
7827 {
7828         string prefix = isSigned(type) ? "" : "u";
7829         return prefix + "int" + getBitWidthStr(type);
7830 }
7831
7832 const string getTestName (IntegerType from, IntegerType to)
7833 {
7834         return getTypeName(from) + "_to_" + getTypeName(to);
7835 }
7836
7837 const string getAsmTypeDeclaration (IntegerType type)
7838 {
7839         string sign = isSigned(type) ? " 1" : " 0";
7840         return "OpTypeInt " + getBitWidthStr(type) + sign;
7841 }
7842
7843 const string getConvertCaseShaderStr (const string& instruction, map<string, string> types)
7844 {
7845         const StringTemplate shader (
7846                 "OpCapability Shader\n"
7847                 "${int_capabilities}"
7848                 "OpMemoryModel Logical GLSL450\n"
7849                 "OpEntryPoint GLCompute %main \"main\" %id\n"
7850                 "OpExecutionMode %main LocalSize 1 1 1\n"
7851                 "OpSource GLSL 430\n"
7852                 "OpName %main           \"main\"\n"
7853                 "OpName %id             \"gl_GlobalInvocationID\"\n"
7854                 // Decorators
7855                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
7856                 "OpDecorate %indata DescriptorSet 0\n"
7857                 "OpDecorate %indata Binding 0\n"
7858                 "OpDecorate %outdata DescriptorSet 0\n"
7859                 "OpDecorate %outdata Binding 1\n"
7860                 "OpDecorate %in_buf BufferBlock\n"
7861                 "OpDecorate %out_buf BufferBlock\n"
7862                 "OpMemberDecorate %in_buf 0 Offset 0\n"
7863                 "OpMemberDecorate %out_buf 0 Offset 0\n"
7864                 // Base types
7865                 "%void       = OpTypeVoid\n"
7866                 "%voidf      = OpTypeFunction %void\n"
7867                 "%u32        = OpTypeInt 32 0\n"
7868                 "%i32        = OpTypeInt 32 1\n"
7869                 "%uvec3      = OpTypeVector %u32 3\n"
7870                 "%uvec3ptr   = OpTypePointer Input %uvec3\n"
7871                 // Custom types
7872                 "%in_type    = ${inputType}\n"
7873                 "%out_type   = ${outputType}\n"
7874                 // Derived types
7875                 "%in_ptr     = OpTypePointer Uniform %in_type\n"
7876                 "%out_ptr    = OpTypePointer Uniform %out_type\n"
7877                 "%in_arr     = OpTypeRuntimeArray %in_type\n"
7878                 "%out_arr    = OpTypeRuntimeArray %out_type\n"
7879                 "%in_buf     = OpTypeStruct %in_arr\n"
7880                 "%out_buf    = OpTypeStruct %out_arr\n"
7881                 "%in_bufptr  = OpTypePointer Uniform %in_buf\n"
7882                 "%out_bufptr = OpTypePointer Uniform %out_buf\n"
7883                 "%indata     = OpVariable %in_bufptr Uniform\n"
7884                 "%outdata    = OpVariable %out_bufptr Uniform\n"
7885                 "%inputptr   = OpTypePointer Input %in_type\n"
7886                 "%id         = OpVariable %uvec3ptr Input\n"
7887                 // Constants
7888                 "%zero       = OpConstant %i32 0\n"
7889                 // Main function
7890                 "%main       = OpFunction %void None %voidf\n"
7891                 "%label      = OpLabel\n"
7892                 "%idval      = OpLoad %uvec3 %id\n"
7893                 "%x          = OpCompositeExtract %u32 %idval 0\n"
7894                 "%inloc      = OpAccessChain %in_ptr %indata %zero %x\n"
7895                 "%outloc     = OpAccessChain %out_ptr %outdata %zero %x\n"
7896                 "%inval      = OpLoad %in_type %inloc\n"
7897                 "%conv       = ${instruction} %out_type %inval\n"
7898                 "              OpStore %outloc %conv\n"
7899                 "              OpReturn\n"
7900                 "              OpFunctionEnd\n"
7901         );
7902
7903         types["instruction"] = instruction;
7904
7905         return shader.specialize(types);
7906 }
7907
7908 template<typename T>
7909 BufferSp getSpecializedBuffer (deInt64 number)
7910 {
7911         return BufferSp(new Buffer<T>(vector<T>(1, (T)number)));
7912 }
7913
7914 BufferSp getBuffer (IntegerType type, deInt64 number)
7915 {
7916         switch (type)
7917         {
7918                 case INTEGER_TYPE_SIGNED_16:    return getSpecializedBuffer<deInt16>(number);
7919                 case INTEGER_TYPE_SIGNED_32:    return getSpecializedBuffer<deInt32>(number);
7920                 case INTEGER_TYPE_SIGNED_64:    return getSpecializedBuffer<deInt64>(number);
7921
7922                 case INTEGER_TYPE_UNSIGNED_16:  return getSpecializedBuffer<deUint16>(number);
7923                 case INTEGER_TYPE_UNSIGNED_32:  return getSpecializedBuffer<deUint32>(number);
7924                 case INTEGER_TYPE_UNSIGNED_64:  return getSpecializedBuffer<deUint64>(number);
7925
7926                 default:                                                DE_ASSERT(false);
7927                                                                                 return BufferSp(new Buffer<deInt32>(vector<deInt32>(1, 0)));
7928         }
7929 }
7930
7931 bool usesInt16 (IntegerType from, IntegerType to)
7932 {
7933         return (from == INTEGER_TYPE_SIGNED_16 || from == INTEGER_TYPE_UNSIGNED_16
7934                         || to == INTEGER_TYPE_SIGNED_16 || to == INTEGER_TYPE_UNSIGNED_16);
7935 }
7936
7937 bool usesInt64 (IntegerType from, IntegerType to)
7938 {
7939         return (from == INTEGER_TYPE_SIGNED_64 || from == INTEGER_TYPE_UNSIGNED_64
7940                         || to == INTEGER_TYPE_SIGNED_64 || to == INTEGER_TYPE_UNSIGNED_64);
7941 }
7942
7943 ConvertTestFeatures getUsedFeatures (IntegerType from, IntegerType to)
7944 {
7945         if (usesInt16(from, to))
7946         {
7947                 if (usesInt64(from, to))
7948                 {
7949                         return CONVERT_TEST_USES_INT16_INT64;
7950                 }
7951                 else
7952                 {
7953                         return CONVERT_TEST_USES_INT16;
7954                 }
7955         }
7956         else
7957         {
7958                 return CONVERT_TEST_USES_INT64;
7959         }
7960 }
7961
7962 struct ConvertCase
7963 {
7964         ConvertCase (IntegerType from, IntegerType to, deInt64 number)
7965         : m_fromType            (from)
7966         , m_toType                      (to)
7967         , m_features            (getUsedFeatures(from, to))
7968         , m_name                        (getTestName(from, to))
7969         , m_inputBuffer         (getBuffer(from, number))
7970         , m_outputBuffer        (getBuffer(to, number))
7971         {
7972                 m_asmTypes["inputType"]         = getAsmTypeDeclaration(from);
7973                 m_asmTypes["outputType"]        = getAsmTypeDeclaration(to);
7974
7975                 if (m_features == CONVERT_TEST_USES_INT16)
7976                 {
7977                         m_asmTypes["int_capabilities"] = "OpCapability Int16\n";
7978                 }
7979                 else if (m_features == CONVERT_TEST_USES_INT64)
7980                 {
7981                         m_asmTypes["int_capabilities"] = "OpCapability Int64\n";
7982                 }
7983                 else if (m_features == CONVERT_TEST_USES_INT16_INT64)
7984                 {
7985                         m_asmTypes["int_capabilities"] = "OpCapability Int16\n \
7986                                                                                           OpCapability Int64\n";
7987                 }
7988                 else
7989                 {
7990                         DE_ASSERT(false);
7991                 }
7992         }
7993
7994         IntegerType                             m_fromType;
7995         IntegerType                             m_toType;
7996         ConvertTestFeatures             m_features;
7997         string                                  m_name;
7998         map<string, string>             m_asmTypes;
7999         BufferSp                                m_inputBuffer;
8000         BufferSp                                m_outputBuffer;
8001 };
8002
8003 void createSConvertCases (vector<ConvertCase>& testCases)
8004 {
8005         // Convert int to int
8006         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_32,         14669));
8007         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_SIGNED_64,         3341));
8008
8009         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_SIGNED_64,         973610259));
8010
8011         // Convert int to unsigned int
8012         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_32,       9288));
8013         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_16, INTEGER_TYPE_UNSIGNED_64,       15460));
8014
8015         testCases.push_back(ConvertCase(INTEGER_TYPE_SIGNED_32, INTEGER_TYPE_UNSIGNED_64,       346213461));
8016 }
8017
8018 //  Test for the OpSConvert instruction.
8019 tcu::TestCaseGroup* createSConvertTests (tcu::TestContext& testCtx)
8020 {
8021         const string instruction                                ("OpSConvert");
8022         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "sconvert", "OpSConvert"));
8023         vector<ConvertCase>                             testCases;
8024         createSConvertCases(testCases);
8025
8026         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8027         {
8028                 ComputeShaderSpec       spec;
8029
8030                 spec.assembly = getConvertCaseShaderStr(instruction, test->m_asmTypes);
8031                 spec.inputs.push_back(test->m_inputBuffer);
8032                 spec.outputs.push_back(test->m_inputBuffer);
8033                 spec.numWorkGroups = IVec3(1, 1, 1);
8034
8035                 group->addChild(new ConvertTestCase(testCtx, test->m_name.c_str(), "Convert integers with OpSConvert.", spec, test->m_features));
8036         }
8037
8038         return group.release();
8039 }
8040
8041 void createUConvertCases (vector<ConvertCase>& testCases)
8042 {
8043         // Convert unsigned int to unsigned int
8044         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_32,       60653));
8045         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_UNSIGNED_64,       17991));
8046
8047         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_32,       INTEGER_TYPE_UNSIGNED_64,       904256275));
8048
8049         // Convert unsigned int to int
8050         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_SIGNED_32,         38002));
8051         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_16,       INTEGER_TYPE_SIGNED_64,         64921));
8052
8053         testCases.push_back(ConvertCase(INTEGER_TYPE_UNSIGNED_32,       INTEGER_TYPE_SIGNED_64,         4294956295ll));
8054 }
8055
8056 //  Test for the OpUConvert instruction.
8057 tcu::TestCaseGroup* createUConvertTests (tcu::TestContext& testCtx)
8058 {
8059         const string instruction                                ("OpUConvert");
8060         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "uconvert", "OpUConvert"));
8061         vector<ConvertCase>                             testCases;
8062         createUConvertCases(testCases);
8063
8064         for (vector<ConvertCase>::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8065         {
8066                 ComputeShaderSpec       spec;
8067
8068                 spec.assembly = getConvertCaseShaderStr(instruction, test->m_asmTypes);
8069                 spec.inputs.push_back(test->m_inputBuffer);
8070                 spec.outputs.push_back(test->m_inputBuffer);
8071                 spec.numWorkGroups = IVec3(1, 1, 1);
8072
8073                 group->addChild(new ConvertTestCase(testCtx, test->m_name.c_str(), "Convert integers with OpUConvert.", spec, test->m_features));
8074         }
8075         return group.release();
8076 }
8077
8078 enum NumberType
8079 {
8080         TYPE_INT,
8081         TYPE_UINT,
8082         TYPE_FLOAT,
8083         TYPE_END,
8084 };
8085
8086 const string getNumberTypeName (const NumberType type)
8087 {
8088         if (type == TYPE_INT)
8089         {
8090                 return "int";
8091         }
8092         else if (type == TYPE_UINT)
8093         {
8094                 return "uint";
8095         }
8096         else if (type == TYPE_FLOAT)
8097         {
8098                 return "float";
8099         }
8100         else
8101         {
8102                 DE_ASSERT(false);
8103                 return "";
8104         }
8105 }
8106
8107 deInt32 getInt(de::Random& rnd)
8108 {
8109         return rnd.getInt(std::numeric_limits<int>::min(), std::numeric_limits<int>::max());
8110 }
8111
8112 template <typename T>
8113 const string numberToString (T number)
8114 {
8115         std::stringstream ss;
8116         ss << number;
8117         return ss.str();
8118 }
8119
8120 const string repeatString (const string& str, int times)
8121 {
8122         string filler;
8123         for (int i = 0; i < times; ++i)
8124         {
8125                 filler += str;
8126         }
8127         return filler;
8128 }
8129
8130 const string getRandomConstantString (const NumberType type, de::Random& rnd)
8131 {
8132         if (type == TYPE_INT)
8133         {
8134                 return numberToString<deInt32>(getInt(rnd));
8135         }
8136         else if (type == TYPE_UINT)
8137         {
8138                 return numberToString<deUint32>(rnd.getUint32());
8139         }
8140         else if (type == TYPE_FLOAT)
8141         {
8142                 return numberToString<float>(rnd.getFloat());
8143         }
8144         else
8145         {
8146                 DE_ASSERT(false);
8147                 return "";
8148         }
8149 }
8150
8151 void createVectorCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8152 {
8153         map<string, string> params;
8154
8155         // Vec2 to Vec4
8156         for (int width = 2; width <= 4; ++width)
8157         {
8158                 string randomConst = numberToString(getInt(rnd));
8159                 string widthStr = numberToString(width);
8160                 int index = rnd.getInt(0, width-1);
8161
8162                 params["name"]                                  = "vec_" + widthStr;
8163                 params["compositeType"]                 = "%composite = OpTypeVector %custom " + widthStr +"\n";
8164                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
8165                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
8166                 params["indexes"]                               = numberToString(index);
8167                 testCases.push_back(params);
8168         }
8169 }
8170
8171 void createArrayCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8172 {
8173         const int limit = 10;
8174         map<string, string> params;
8175
8176         for (int width = 2; width <= limit; ++width)
8177         {
8178                 string randomConst = numberToString(getInt(rnd));
8179                 string widthStr = numberToString(width);
8180                 int index = rnd.getInt(0, width-1);
8181
8182                 params["name"]                                  = "array_" + widthStr;
8183                 params["compositeType"]                 = string("%arraywidth = OpConstant %u32 " + widthStr + "\n")
8184                                                                                         +        "%composite = OpTypeArray %custom %arraywidth\n";
8185
8186                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
8187                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
8188                 params["indexes"]                               = numberToString(index);
8189                 testCases.push_back(params);
8190         }
8191 }
8192
8193 void createStructCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8194 {
8195         const int limit = 10;
8196         map<string, string> params;
8197
8198         for (int width = 2; width <= limit; ++width)
8199         {
8200                 string randomConst = numberToString(getInt(rnd));
8201                 int index = rnd.getInt(0, width-1);
8202
8203                 params["name"]                                  = "struct_" + numberToString(width);
8204                 params["compositeType"]                 = "%composite = OpTypeStruct" + repeatString(" %custom", width) + "\n";
8205                 params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n";
8206                 params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %filler", width) + "\n";
8207                 params["indexes"]                               = numberToString(index);
8208                 testCases.push_back(params);
8209         }
8210 }
8211
8212 void createMatrixCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8213 {
8214         map<string, string> params;
8215
8216         // Vec2 to Vec4
8217         for (int width = 2; width <= 4; ++width)
8218         {
8219                 string widthStr = numberToString(width);
8220
8221                 for (int column = 2 ; column <= 4; ++column)
8222                 {
8223                         int index_0 = rnd.getInt(0, column-1);
8224                         int index_1 = rnd.getInt(0, width-1);
8225                         string columnStr = numberToString(column);
8226
8227                         params["name"]                                  = "matrix_" + widthStr + "x" + columnStr;
8228                         params["compositeType"]                 = string("%vectype   = OpTypeVector %custom " + widthStr + "\n")
8229                                                                                                 +        "%composite = OpTypeMatrix %vectype " + columnStr + "\n";
8230
8231                         params["filler"]                                = string("%filler    = OpConstant %custom ") + getRandomConstantString(type, rnd) + "\n"
8232                                                                                                 +        "%fillerVec = OpConstantComposite %vectype" + repeatString(" %filler", width) + "\n";
8233
8234                         params["compositeConstruct"]    = "%instance  = OpCompositeConstruct %composite" + repeatString(" %fillerVec", column) + "\n";
8235                         params["indexes"]                               = numberToString(index_0) + " " + numberToString(index_1);
8236                         testCases.push_back(params);
8237                 }
8238         }
8239 }
8240
8241 void createCompositeCases (vector<map<string, string> >& testCases, de::Random& rnd, const NumberType type)
8242 {
8243         createVectorCompositeCases(testCases, rnd, type);
8244         createArrayCompositeCases(testCases, rnd, type);
8245         createStructCompositeCases(testCases, rnd, type);
8246         // Matrix only supports float types
8247         if (type == TYPE_FLOAT)
8248         {
8249                 createMatrixCompositeCases(testCases, rnd, type);
8250         }
8251 }
8252
8253 const string getAssemblyTypeDeclaration (const NumberType type)
8254 {
8255         switch (type)
8256         {
8257                 case TYPE_INT:          return "OpTypeInt 32 1";
8258                 case TYPE_UINT:         return "OpTypeInt 32 0";
8259                 case TYPE_FLOAT:        return "OpTypeFloat 32";
8260                 default:                        DE_ASSERT(false); return "";
8261         }
8262 }
8263
8264 const string specializeCompositeInsertShaderTemplate (const NumberType type, const map<string, string>& params)
8265 {
8266         map<string, string>     parameters(params);
8267
8268         parameters["typeDeclaration"] = getAssemblyTypeDeclaration(type);
8269
8270         return StringTemplate (
8271                 "OpCapability Shader\n"
8272                 "OpCapability Matrix\n"
8273                 "OpMemoryModel Logical GLSL450\n"
8274                 "OpEntryPoint GLCompute %main \"main\" %id\n"
8275                 "OpExecutionMode %main LocalSize 1 1 1\n"
8276
8277                 "OpSource GLSL 430\n"
8278                 "OpName %main           \"main\"\n"
8279                 "OpName %id             \"gl_GlobalInvocationID\"\n"
8280
8281                 // Decorators
8282                 "OpDecorate %id BuiltIn GlobalInvocationId\n"
8283                 "OpDecorate %buf BufferBlock\n"
8284                 "OpDecorate %indata DescriptorSet 0\n"
8285                 "OpDecorate %indata Binding 0\n"
8286                 "OpDecorate %outdata DescriptorSet 0\n"
8287                 "OpDecorate %outdata Binding 1\n"
8288                 "OpDecorate %customarr ArrayStride 4\n"
8289                 "OpMemberDecorate %buf 0 Offset 0\n"
8290
8291                 // General types
8292                 "%void      = OpTypeVoid\n"
8293                 "%voidf     = OpTypeFunction %void\n"
8294                 "%u32       = OpTypeInt 32 0\n"
8295                 "%i32       = OpTypeInt 32 1\n"
8296                 "%uvec3     = OpTypeVector %u32 3\n"
8297                 "%uvec3ptr  = OpTypePointer Input %uvec3\n"
8298
8299                 // Custom type
8300                 "%custom    = ${typeDeclaration}\n"
8301                 "${compositeType}"
8302
8303                 // Constants
8304                 "${filler}"
8305
8306                 // Inherited from custom
8307                 "%customptr = OpTypePointer Uniform %custom\n"
8308                 "%customarr = OpTypeRuntimeArray %custom\n"
8309                 "%buf       = OpTypeStruct %customarr\n"
8310                 "%bufptr    = OpTypePointer Uniform %buf\n"
8311
8312                 "%indata    = OpVariable %bufptr Uniform\n"
8313                 "%outdata   = OpVariable %bufptr Uniform\n"
8314
8315                 "%id        = OpVariable %uvec3ptr Input\n"
8316                 "%zero      = OpConstant %i32 0\n"
8317
8318                 "%main      = OpFunction %void None %voidf\n"
8319                 "%label     = OpLabel\n"
8320                 "%idval     = OpLoad %uvec3 %id\n"
8321                 "%x         = OpCompositeExtract %u32 %idval 0\n"
8322
8323                 "%inloc     = OpAccessChain %customptr %indata %zero %x\n"
8324                 "%outloc    = OpAccessChain %customptr %outdata %zero %x\n"
8325                 // Read the input value
8326                 "%inval     = OpLoad %custom %inloc\n"
8327                 // Create the composite and fill it
8328                 "${compositeConstruct}"
8329                 // Insert the input value to a place
8330                 "%instance2 = OpCompositeInsert %composite %inval %instance ${indexes}\n"
8331                 // Read back the value from the position
8332                 "%out_val   = OpCompositeExtract %custom %instance2 ${indexes}\n"
8333                 // Store it in the output position
8334                 "             OpStore %outloc %out_val\n"
8335                 "             OpReturn\n"
8336                 "             OpFunctionEnd\n"
8337         ).specialize(parameters);
8338 }
8339
8340 template<typename T>
8341 BufferSp createCompositeBuffer(T number)
8342 {
8343         return BufferSp(new Buffer<T>(vector<T>(1, number)));
8344 }
8345
8346 tcu::TestCaseGroup* createOpCompositeInsertGroup (tcu::TestContext& testCtx)
8347 {
8348         de::MovePtr<tcu::TestCaseGroup> group   (new tcu::TestCaseGroup(testCtx, "opcompositeinsert", "Test the OpCompositeInsert instruction"));
8349         de::Random                                              rnd             (deStringHash(group->getName()));
8350
8351         for (int type = TYPE_INT; type != TYPE_END; ++type)
8352         {
8353                 NumberType                                              numberType              = NumberType(type);
8354                 const string                                    typeName                = getNumberTypeName(numberType);
8355                 const string                                    description             = "Test the OpCompositeInsert instruction with " + typeName + "s";
8356                 de::MovePtr<tcu::TestCaseGroup> subGroup                (new tcu::TestCaseGroup(testCtx, typeName.c_str(), description.c_str()));
8357                 vector<map<string, string> >    testCases;
8358
8359                 createCompositeCases(testCases, rnd, numberType);
8360
8361                 for (vector<map<string, string> >::const_iterator test = testCases.begin(); test != testCases.end(); ++test)
8362                 {
8363                         ComputeShaderSpec       spec;
8364
8365                         spec.assembly = specializeCompositeInsertShaderTemplate(numberType, *test);
8366
8367                         switch (numberType)
8368                         {
8369                                 case TYPE_INT:
8370                                 {
8371                                         deInt32 number = getInt(rnd);
8372                                         spec.inputs.push_back(createCompositeBuffer<deInt32>(number));
8373                                         spec.outputs.push_back(createCompositeBuffer<deInt32>(number));
8374                                         break;
8375                                 }
8376                                 case TYPE_UINT:
8377                                 {
8378                                         deUint32 number = rnd.getUint32();
8379                                         spec.inputs.push_back(createCompositeBuffer<deUint32>(number));
8380                                         spec.outputs.push_back(createCompositeBuffer<deUint32>(number));
8381                                         break;
8382                                 }
8383                                 case TYPE_FLOAT:
8384                                 {
8385                                         float number = rnd.getFloat();
8386                                         spec.inputs.push_back(createCompositeBuffer<float>(number));
8387                                         spec.outputs.push_back(createCompositeBuffer<float>(number));
8388                                         break;
8389                                 }
8390                                 default:
8391                                         DE_ASSERT(false);
8392                         }
8393
8394                         spec.numWorkGroups = IVec3(1, 1, 1);
8395                         subGroup->addChild(new SpvAsmComputeShaderCase(testCtx, test->at("name").c_str(), "OpCompositeInsert test", spec));
8396                 }
8397                 group->addChild(subGroup.release());
8398         }
8399         return group.release();
8400 }
8401
8402 tcu::TestCaseGroup* createInstructionTests (tcu::TestContext& testCtx)
8403 {
8404         de::MovePtr<tcu::TestCaseGroup> instructionTests        (new tcu::TestCaseGroup(testCtx, "instruction", "Instructions with special opcodes/operands"));
8405         de::MovePtr<tcu::TestCaseGroup> computeTests            (new tcu::TestCaseGroup(testCtx, "compute", "Compute Instructions with special opcodes/operands"));
8406         de::MovePtr<tcu::TestCaseGroup> graphicsTests           (new tcu::TestCaseGroup(testCtx, "graphics", "Graphics Instructions with special opcodes/operands"));
8407
8408         computeTests->addChild(createOpNopGroup(testCtx));
8409         computeTests->addChild(createOpFUnordGroup(testCtx));
8410         computeTests->addChild(createOpLineGroup(testCtx));
8411         computeTests->addChild(createOpNoLineGroup(testCtx));
8412         computeTests->addChild(createOpConstantNullGroup(testCtx));
8413         computeTests->addChild(createOpConstantCompositeGroup(testCtx));
8414         computeTests->addChild(createOpConstantUsageGroup(testCtx));
8415         computeTests->addChild(createSpecConstantGroup(testCtx));
8416         computeTests->addChild(createOpSourceGroup(testCtx));
8417         computeTests->addChild(createOpSourceExtensionGroup(testCtx));
8418         computeTests->addChild(createDecorationGroupGroup(testCtx));
8419         computeTests->addChild(createOpPhiGroup(testCtx));
8420         computeTests->addChild(createLoopControlGroup(testCtx));
8421         computeTests->addChild(createFunctionControlGroup(testCtx));
8422         computeTests->addChild(createSelectionControlGroup(testCtx));
8423         computeTests->addChild(createBlockOrderGroup(testCtx));
8424         computeTests->addChild(createMultipleShaderGroup(testCtx));
8425         computeTests->addChild(createMemoryAccessGroup(testCtx));
8426         computeTests->addChild(createOpCopyMemoryGroup(testCtx));
8427         computeTests->addChild(createOpCopyObjectGroup(testCtx));
8428         computeTests->addChild(createNoContractionGroup(testCtx));
8429         computeTests->addChild(createOpUndefGroup(testCtx));
8430         computeTests->addChild(createOpUnreachableGroup(testCtx));
8431         computeTests ->addChild(createOpQuantizeToF16Group(testCtx));
8432         computeTests ->addChild(createOpFRemGroup(testCtx));
8433         computeTests->addChild(createSConvertTests(testCtx));
8434         computeTests->addChild(createUConvertTests(testCtx));
8435         computeTests->addChild(createOpCompositeInsertGroup(testCtx));
8436
8437         RGBA defaultColors[4];
8438         getDefaultColors(defaultColors);
8439
8440         de::MovePtr<tcu::TestCaseGroup> opnopTests (new tcu::TestCaseGroup(testCtx, "opnop", "Test OpNop"));
8441         map<string, string> opNopFragments;
8442         opNopFragments["testfun"] =
8443                 "%test_code = OpFunction %v4f32 None %v4f32_function\n"
8444                 "%param1 = OpFunctionParameter %v4f32\n"
8445                 "%label_testfun = OpLabel\n"
8446                 "OpNop\n"
8447                 "OpNop\n"
8448                 "OpNop\n"
8449                 "OpNop\n"
8450                 "OpNop\n"
8451                 "OpNop\n"
8452                 "OpNop\n"
8453                 "OpNop\n"
8454                 "%a = OpVectorExtractDynamic %f32 %param1 %c_i32_0\n"
8455                 "%b = OpFAdd %f32 %a %a\n"
8456                 "OpNop\n"
8457                 "%c = OpFSub %f32 %b %a\n"
8458                 "%ret = OpVectorInsertDynamic %v4f32 %param1 %c %c_i32_0\n"
8459                 "OpNop\n"
8460                 "OpNop\n"
8461                 "OpReturnValue %ret\n"
8462                 "OpFunctionEnd\n"
8463                 ;
8464         createTestsForAllStages("opnop", defaultColors, defaultColors, opNopFragments, opnopTests.get());
8465
8466
8467         graphicsTests->addChild(opnopTests.release());
8468         graphicsTests->addChild(createOpSourceTests(testCtx));
8469         graphicsTests->addChild(createOpSourceContinuedTests(testCtx));
8470         graphicsTests->addChild(createOpLineTests(testCtx));
8471         graphicsTests->addChild(createOpNoLineTests(testCtx));
8472         graphicsTests->addChild(createOpConstantNullTests(testCtx));
8473         graphicsTests->addChild(createOpConstantCompositeTests(testCtx));
8474         graphicsTests->addChild(createMemoryAccessTests(testCtx));
8475         graphicsTests->addChild(createOpUndefTests(testCtx));
8476         graphicsTests->addChild(createSelectionBlockOrderTests(testCtx));
8477         graphicsTests->addChild(createModuleTests(testCtx));
8478         graphicsTests->addChild(createSwitchBlockOrderTests(testCtx));
8479         graphicsTests->addChild(createOpPhiTests(testCtx));
8480         graphicsTests->addChild(createNoContractionTests(testCtx));
8481         graphicsTests->addChild(createOpQuantizeTests(testCtx));
8482         graphicsTests->addChild(createLoopTests(testCtx));
8483         graphicsTests->addChild(createSpecConstantTests(testCtx));
8484         graphicsTests->addChild(createSpecConstantOpQuantizeToF16Group(testCtx));
8485         graphicsTests->addChild(createBarrierTests(testCtx));
8486         graphicsTests->addChild(createDecorationGroupTests(testCtx));
8487         graphicsTests->addChild(createFRemTests(testCtx));
8488
8489         instructionTests->addChild(computeTests.release());
8490         instructionTests->addChild(graphicsTests.release());
8491
8492         return instructionTests.release();
8493 }
8494
8495 } // SpirVAssembly
8496 } // vkt