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

   1 /*-------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2018 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 indexing with different bit sizes.
  22  *//*--------------------------------------------------------------------*/
  23
  24 #include "vktSpvAsmIndexingTests.hpp"
  25 #include "vktSpvAsmComputeShaderCase.hpp"
  26 #include "vktSpvAsmComputeShaderTestUtil.hpp"
  27 #include "vktSpvAsmGraphicsShaderTestUtil.hpp"
  28
  29 #include "tcuStringTemplate.hpp"
  30
  31 namespace vkt
  32 {
  33 namespace SpirVAssembly
  34 {
  35
  36 using namespace vk;
  37 using std::map;
  38 using std::string;
  39 using std::vector;
  40 using std::pair;
  41 using tcu::IVec3;
  42 using tcu::RGBA;
  43 using tcu::UVec4;
  44 using tcu::Vec4;
  45 using tcu::Mat4;
  46 using tcu::StringTemplate;
  47
  48 namespace
  49 {
  50
  51 enum ChainOp
  52 {
  53         CHAIN_OP_ACCESS_CHAIN = 0,
  54         CHAIN_OP_IN_BOUNDS_ACCESS_CHAIN,
  55         CHAIN_OP_PTR_ACCESS_CHAIN,
  56
  57         CHAIN_OP_LAST
  58 };
  59 static const int                                        idxSizes[]                              = { 16, 32, 64 };
  60 static const ComputeTestFeatures        computeTestFeatures[]   = { COMPUTE_TEST_USES_INT16, COMPUTE_TEST_USES_NONE, COMPUTE_TEST_USES_INT64 };
  61 static const string                                     chainOpTestNames[]              = { "opaccesschain", "opinboundsaccesschain", "opptraccesschain" };
  62
  63 struct InputData
  64 {
  65         Mat4    matrix[32][32];
  66 };
  67
  68 void addComputeIndexingStructTests (tcu::TestCaseGroup* group)
  69 {
  70         tcu::TestContext&                               testCtx                         = group->getTestContext();
  71         de::MovePtr<tcu::TestCaseGroup> structGroup                     (new tcu::TestCaseGroup(testCtx, "struct", "Tests for indexing input struct."));
  72         de::Random                                              rnd                                     (deStringHash(group->getName()));
  73         const int                                               numItems                        = 128;
  74         const int                                               numStructs                      = 2;
  75         const int                                               numInputFloats          = (int)sizeof(InputData) / 4 * numStructs;
  76         vector<float>                                   inputData;
  77         vector<UVec4>                                   indexSelectorData;
  78
  79         inputData.reserve(numInputFloats);
  80         for (deUint32 numIdx = 0; numIdx < numInputFloats; ++numIdx)
  81                 inputData.push_back(rnd.getFloat());
  82
  83         indexSelectorData.reserve(numItems);
  84         for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
  85                 indexSelectorData.push_back(UVec4(rnd.getUint32() % 32, rnd.getUint32() % 32, rnd.getUint32() % 4, rnd.getUint32() % 4));
  86
  87         for (int chainOpIdx = 0; chainOpIdx < CHAIN_OP_LAST; ++chainOpIdx)
  88         {
  89                 for (int idxSizeIdx = 0; idxSizeIdx < DE_LENGTH_OF_ARRAY(idxSizes); ++idxSizeIdx)
  90                 {
  91                         for (int sign = 0; sign < 2; ++sign)
  92                         {
  93                                 const int                                       idxSize                 = idxSizes[idxSizeIdx];
  94                                 const string                            testName                = chainOpTestNames[chainOpIdx] + string(sign == 0 ? "_u" : "_s") + de::toString(idxSize);
  95                                 VulkanFeatures                          vulkanFeatures;
  96                                 map<string, string>                     specs;
  97                                 vector<float>                           outputData;
  98                                 ComputeShaderSpec                       spec;
  99                                 const ComputeTestFeatures       features                = computeTestFeatures[idxSizeIdx];
 100                                 int                                                     element                 = 0;
 101
 102                                 // Index an input buffer containing 2D array of 4x4 matrices. The indices are read from another
 103                                 // input and converted to the desired bit size and sign.
 104                                 const StringTemplate            shaderSource(
 105                                         "                             OpCapability Shader\n"
 106                                         "                             ${intcaps:opt}\n"
 107                                         "                             ${variablepointercaps:opt}\n"
 108                                         "                             ${extensions:opt}\n"
 109                                         "                        %1 = OpExtInstImport \"GLSL.std.450\"\n"
 110                                         "                             OpMemoryModel Logical GLSL450\n"
 111                                         "                             OpEntryPoint GLCompute %main \"main\" %gl_GlobalInvocationID\n"
 112                                         "                             OpExecutionMode %main LocalSize 1 1 1\n"
 113                                         "                             OpSource GLSL 430\n"
 114                                         "                             OpDecorate %gl_GlobalInvocationID BuiltIn GlobalInvocationId\n"
 115                                         "                             OpDecorate %_arr_float_uint_128 ArrayStride 4\n"
 116                                         "                             OpMemberDecorate %Output 0 Offset 0\n"
 117                                         "                             OpDecorate %Output BufferBlock\n"
 118                                         "                             OpDecorate %dataOutput DescriptorSet 0\n"
 119                                         "                             OpDecorate %dataOutput Binding 2\n"
 120                                         "                             OpDecorate %_arr_mat4v4float_uint_32 ArrayStride 64\n"
 121                                         "                             OpDecorate %_arr__arr_mat4v4float_uint_32_uint_32 ArrayStride 2048\n"
 122                                         "                             OpMemberDecorate %InputStruct 0 ColMajor\n"
 123                                         "                             OpMemberDecorate %InputStruct 0 Offset 0\n"
 124                                         "                             OpMemberDecorate %InputStruct 0 MatrixStride 16\n"
 125                                         "                             OpDecorate %InputStructArr ArrayStride 65536\n"
 126                                         "                             OpDecorate %Input ${inputdecoration}\n"
 127                                         "                             OpMemberDecorate %Input 0 Offset 0\n"
 128                                         "                             OpDecorate %dataInput DescriptorSet 0\n"
 129                                         "                             OpDecorate %dataInput Binding 0\n"
 130                                         "                             OpDecorate %_ptr_buffer_InputStruct ArrayStride 65536\n"
 131                                         "                             OpDecorate %_arr_v4uint_uint_128 ArrayStride 16\n"
 132                                         "                             OpMemberDecorate %DataSelector 0 Offset 0\n"
 133                                         "                             OpDecorate %DataSelector BufferBlock\n"
 134                                         "                             OpDecorate %selector DescriptorSet 0\n"
 135                                         "                             OpDecorate %selector Binding 1\n"
 136                                         "                     %void = OpTypeVoid\n"
 137                                         "                        %3 = OpTypeFunction %void\n"
 138                                         "                      %u32 = OpTypeInt 32 0\n"
 139                                         "                      %i32 = OpTypeInt 32 1\n"
 140                                         "${intdecl:opt}"
 141                                         "                    %idx_0 = OpConstant ${idx_int} 0\n"
 142                                         "                    %idx_1 = OpConstant ${idx_int} 1\n"
 143                                         "                    %idx_2 = OpConstant ${idx_int} 2\n"
 144                                         "                    %idx_3 = OpConstant ${idx_int} 3\n"
 145                                         "     %_ptr_Function_uint32 = OpTypePointer Function %u32\n"
 146                                         "                 %v3uint32 = OpTypeVector %u32 3\n"
 147                                         "      %_ptr_Input_v3uint32 = OpTypePointer Input %v3uint32\n"
 148                                         "    %gl_GlobalInvocationID = OpVariable %_ptr_Input_v3uint32 Input\n"
 149                                         "        %_ptr_Input_uint32 = OpTypePointer Input %u32\n"
 150                                         "                    %float = OpTypeFloat 32\n"
 151                                         "                 %uint_128 = OpConstant %u32 128\n"
 152                                         "                  %uint_32 = OpConstant %u32 32\n"
 153                                         "                   %uint_2 = OpConstant %u32 2\n"
 154                                         "      %_arr_float_uint_128 = OpTypeArray %float %uint_128\n"
 155                                         "                   %Output = OpTypeStruct %_arr_float_uint_128\n"
 156                                         "      %_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
 157                                         "               %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
 158                                         "                  %v4float = OpTypeVector %float 4\n"
 159                                         "              %mat4v4float = OpTypeMatrix %v4float 4\n"
 160                                         " %_arr_mat4v4float_uint_32 = OpTypeArray %mat4v4float %uint_32\n"
 161                                         " %_arr__arr_mat4v4float_uint_32_uint_32 = OpTypeArray %_arr_mat4v4float_uint_32 %uint_32\n"
 162                                         "              %InputStruct = OpTypeStruct %_arr__arr_mat4v4float_uint_32_uint_32\n"
 163                                         "           %InputStructArr = OpTypeArray %InputStruct %uint_2\n"
 164                                         "                    %Input = OpTypeStruct %InputStructArr\n"
 165                                         "        %_ptr_buffer_Input = OpTypePointer ${inputstorageclass} %Input\n"
 166                                         "                %dataInput = OpVariable %_ptr_buffer_Input ${inputstorageclass}\n"
 167                                         "  %_ptr_buffer_InputStruct = OpTypePointer ${inputstorageclass} %InputStruct\n"
 168                                         "                 %v4uint32 = OpTypeVector %u32 4\n"
 169                                         "     %_arr_v4uint_uint_128 = OpTypeArray %v4uint32 %uint_128\n"
 170                                         "             %DataSelector = OpTypeStruct %_arr_v4uint_uint_128\n"
 171                                         "%_ptr_Uniform_DataSelector = OpTypePointer Uniform %DataSelector\n"
 172                                         "                 %selector = OpVariable %_ptr_Uniform_DataSelector Uniform\n"
 173                                         "      %_ptr_Uniform_uint32 = OpTypePointer Uniform %u32\n"
 174                                         "       %_ptr_Uniform_float = OpTypePointer Uniform %float\n"
 175                                         "       ${ptr_buffer_float:opt}\n"
 176
 177                                         "                     %main = OpFunction %void None %3\n"
 178                                         "                        %5 = OpLabel\n"
 179                                         "                        %i = OpVariable %_ptr_Function_uint32 Function\n"
 180                                         "                       %14 = OpAccessChain %_ptr_Input_uint32 %gl_GlobalInvocationID %idx_0\n"
 181                                         "                       %15 = OpLoad %u32 %14\n"
 182                                         "                             OpStore %i %15\n"
 183                                         "                   %uint_i = OpLoad %u32 %i\n"
 184                                         "                       %39 = OpAccessChain %_ptr_Uniform_uint32 %selector %idx_0 %uint_i %idx_0\n"
 185                                         "                       %40 = OpLoad %u32 %39\n"
 186                                         "                       %43 = OpAccessChain %_ptr_Uniform_uint32 %selector %idx_0 %uint_i %idx_1\n"
 187                                         "                       %44 = OpLoad %u32 %43\n"
 188                                         "                       %47 = OpAccessChain %_ptr_Uniform_uint32 %selector %idx_0 %uint_i %idx_2\n"
 189                                         "                       %48 = OpLoad %u32 %47\n"
 190                                         "                       %51 = OpAccessChain %_ptr_Uniform_uint32 %selector %idx_0 %uint_i %idx_3\n"
 191                                         "                       %52 = OpLoad %u32 %51\n"
 192                                         "                       %i0 = ${convert} ${idx_int} %40\n"
 193                                         "                       %i1 = ${convert} ${idx_int} %44\n"
 194                                         "                       %i2 = ${convert} ${idx_int} %48\n"
 195                                         "                       %i3 = ${convert} ${idx_int} %52\n"
 196                                         "        %inputFirstElement = OpAccessChain %_ptr_buffer_InputStruct %dataInput %idx_0 %idx_0\n"
 197                                         "                       %54 = ${accesschain}\n"
 198                                         "                       %55 = OpLoad %float %54\n"
 199                                         "                       %56 = OpAccessChain %_ptr_Uniform_float %dataOutput %idx_0 %uint_i\n"
 200                                         "                             OpStore %56 %55\n"
 201                                         "                             OpReturn\n"
 202                                         "                             OpFunctionEnd\n");
 203
 204
 205                                 switch (chainOpIdx)
 206                                 {
 207                                         case CHAIN_OP_ACCESS_CHAIN:
 208                                                 specs["accesschain"]                    = "OpAccessChain %_ptr_Uniform_float %inputFirstElement %idx_0 %i0 %i1 %i2 %i3\n";
 209                                                 specs["inputdecoration"]                = "BufferBlock";
 210                                                 specs["inputstorageclass"]              = "Uniform";
 211                                                 break;
 212                                         case CHAIN_OP_IN_BOUNDS_ACCESS_CHAIN:
 213                                                 specs["accesschain"]                    = "OpInBoundsAccessChain %_ptr_Uniform_float %inputFirstElement %idx_0 %i0 %i1 %i2 %i3\n";
 214                                                 specs["inputdecoration"]                = "BufferBlock";
 215                                                 specs["inputstorageclass"]              = "Uniform";
 216                                                 break;
 217                                         default:
 218                                                 DE_ASSERT(chainOpIdx == CHAIN_OP_PTR_ACCESS_CHAIN);
 219                                                 specs["accesschain"]                    = "OpPtrAccessChain %_ptr_StorageBuffer_float %inputFirstElement %idx_1 %idx_0 %i0 %i1 %i2 %i3\n";
 220                                                 specs["inputdecoration"]                = "Block";
 221                                                 specs["inputstorageclass"]              = "StorageBuffer";
 222                                                 specs["variablepointercaps"]            = "OpCapability VariablePointersStorageBuffer";
 223                                                 specs["ptr_buffer_float"]               = "%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %float";
 224                                                 specs["extensions"]                     = "OpExtension \"SPV_KHR_variable_pointers\"\n                             "
 225                                                                                                                   "OpExtension \"SPV_KHR_storage_buffer_storage_class\"";
 226                                                 element = 1;
 227                                                 vulkanFeatures.extVariablePointers = EXTVARIABLEPOINTERSFEATURES_VARIABLE_POINTERS_STORAGEBUFFER;
 228                                                 spec.extensions.push_back("VK_KHR_variable_pointers");
 229                                                 break;
 230                                 };
 231
 232                                 spec.inputs.push_back(BufferSp(new Float32Buffer(inputData)));
 233                                 spec.inputs.push_back(BufferSp(new Buffer<UVec4>(indexSelectorData)));
 234
 235                                 outputData.reserve(numItems);
 236                                 for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
 237                                 {
 238                                         // Determine the selected output float for the selected indices.
 239                                         const UVec4 vec = indexSelectorData[numIdx];
 240                                         outputData.push_back(inputData[element * sizeof(InputData) / 4 + vec.x() * (32 * 4 * 4) + vec.y() * 4 * 4 + vec.z() * 4 + vec.w()]);
 241                                 }
 242
 243                                 if (idxSize == 16)
 244                                 {
 245                                         specs["intcaps"] = "OpCapability Int16";
 246                                         specs["convert"] = "OpSConvert";
 247                                         specs["intdecl"] =      "                      %u16 = OpTypeInt 16 0\n"
 248                                                                 "                      %i16 = OpTypeInt 16 1\n";
 249                                 }
 250                                 else if (idxSize == 64)
 251                                 {
 252                                         specs["intcaps"] = "OpCapability Int64";
 253                                         specs["convert"] = "OpSConvert";
 254                                         specs["intdecl"] =      "                      %u64 = OpTypeInt 64 0\n"
 255                                                                 "                      %i64 = OpTypeInt 64 1\n";
 256                                 } else {
 257                                         specs["convert"] = "OpBitcast";
 258                                 }
 259
 260                                 specs["idx_uint"] = "%u" + de::toString(idxSize);
 261                                 specs["idx_int"] = (sign ? "%i" : "%u") + de::toString(idxSize);
 262
 263                                 spec.assembly                                   = shaderSource.specialize(specs);
 264                                 spec.numWorkGroups                              = IVec3(numItems, 1, 1);
 265                                 spec.requestedVulkanFeatures    = vulkanFeatures;
 266                                 spec.inputs[0].setDescriptorType(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
 267                                 spec.inputs[1].setDescriptorType(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER);
 268
 269                                 spec.outputs.push_back(BufferSp(new Float32Buffer(outputData)));
 270
 271                                 structGroup->addChild(new SpvAsmComputeShaderCase(testCtx, testName.c_str(), testName.c_str(), spec, features));
 272                         }
 273                 }
 274         }
 275         group->addChild(structGroup.release());
 276 }
 277
 278 void addGraphicsIndexingStructTests (tcu::TestCaseGroup* group)
 279 {
 280         tcu::TestContext&                               testCtx                         = group->getTestContext();
 281         de::MovePtr<tcu::TestCaseGroup> structGroup                     (new tcu::TestCaseGroup(testCtx, "struct", "Tests for indexing input struct."));
 282         de::Random                                              rnd                                     (deStringHash(group->getName()));
 283         const int                                               numItems                        = 128;
 284         const int                                               numStructs                      = 2;
 285         const int                                               numInputFloats          = (int)sizeof(InputData) / 4 * numStructs;
 286         RGBA                                                    defaultColors[4];
 287         vector<float>                                   inputData;
 288         vector<UVec4>                                   indexSelectorData;
 289
 290         inputData.reserve(numInputFloats);
 291         for (deUint32 numIdx = 0; numIdx < numInputFloats; ++numIdx)
 292                 inputData.push_back(rnd.getFloat());
 293
 294         indexSelectorData.reserve(numItems);
 295         for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
 296                 indexSelectorData.push_back(UVec4(rnd.getUint32() % 32, rnd.getUint32() % 32, rnd.getUint32() % 4, rnd.getUint32() % 4));
 297
 298         getDefaultColors(defaultColors);
 299
 300         for (int chainOpIdx = 0; chainOpIdx < CHAIN_OP_LAST; ++chainOpIdx)
 301         {
 302                 for (int idxSizeIdx = 0; idxSizeIdx < DE_LENGTH_OF_ARRAY(idxSizes); ++idxSizeIdx)
 303                 {
 304                         for (int sign = 0; sign < 2; sign++)
 305                         {
 306                                 const int                                       idxSize                 = idxSizes[idxSizeIdx];
 307                                 const string                            testName                = chainOpTestNames[chainOpIdx] + string(sign == 0 ? "_u" : "_s") + de::toString(idxSize);
 308                                 VulkanFeatures                          vulkanFeatures;
 309                                 vector<string>                          extensions;
 310                                 vector<string>                          features;
 311                                 SpecConstants                           noSpecConstants;
 312                                 PushConstants                           noPushConstants;
 313                                 GraphicsInterfaces                      noInterfaces;
 314                                 map<string, string>                     specs;
 315                                 map<string, string>                     fragments;
 316                                 vector<float>                           outputData;
 317                                 ComputeShaderSpec                       spec;
 318                                 int                                                     element                 = 0;
 319                                 GraphicsResources                       resources;
 320
 321                                 const StringTemplate            preMain(
 322                                         "${intdecl:opt}"
 323                                         "                %c_i32_128 = OpConstant %i32 128\n"
 324                                         "                   %uint_0 = OpConstant ${idx_uint} 0\n"
 325                                         "                 %uint_128 = OpConstant %u32 128\n"
 326                                         "                  %uint_32 = OpConstant %u32 32\n"
 327                                         "                   %uint_1 = OpConstant ${idx_uint} 1\n"
 328                                         "                   %uint_2 = OpConstant ${idx_uint} 2\n"
 329                                         "                   %uint_3 = OpConstant ${idx_uint} 3\n"
 330                                         "      %_arr_float_uint_128 = OpTypeArray %f32 %uint_128\n"
 331                                         "                   %Output = OpTypeStruct %_arr_float_uint_128\n"
 332                                         "      %_ptr_Uniform_Output = OpTypePointer Uniform %Output\n"
 333                                         "               %dataOutput = OpVariable %_ptr_Uniform_Output Uniform\n"
 334                                         "                    %int_0 = OpConstant ${idx_int} 0\n"
 335                                         "              %mat4v4float = OpTypeMatrix %v4f32 4\n"
 336                                         " %_arr_mat4v4float_uint_32 = OpTypeArray %mat4v4float %uint_32\n"
 337                                         " %_arr__arr_mat4v4float_uint_32_uint_32 = OpTypeArray %_arr_mat4v4float_uint_32 %uint_32\n"
 338                                         "              %InputStruct = OpTypeStruct %_arr__arr_mat4v4float_uint_32_uint_32\n"
 339                                         "           %InputStructArr = OpTypeArray %InputStruct %uint_2\n"
 340                                         "                    %Input = OpTypeStruct %InputStructArr\n"
 341                                         "        %_ptr_buffer_Input = OpTypePointer ${inputstorageclass} %Input\n"
 342                                         "                %dataInput = OpVariable %_ptr_buffer_Input ${inputstorageclass}\n"
 343                                         "  %_ptr_buffer_InputStruct = OpTypePointer ${inputstorageclass} %InputStruct\n"
 344                                         "     %_arr_v4uint_uint_128 = OpTypeArray %v4u32 %uint_128\n"
 345                                         "             %DataSelector = OpTypeStruct %_arr_v4uint_uint_128\n"
 346                                         "%_ptr_Uniform_DataSelector = OpTypePointer Uniform %DataSelector\n"
 347                                         "                 %selector = OpVariable %_ptr_Uniform_DataSelector Uniform\n"
 348                                         "      %_ptr_Uniform_uint32 = OpTypePointer Uniform %u32\n"
 349                                         "       %_ptr_Uniform_float = OpTypePointer Uniform %f32\n"
 350                                         "       ${ptr_buffer_float:opt}\n");
 351
 352
 353                                 const StringTemplate            decoration(
 354                                         "OpDecorate %_arr_float_uint_128 ArrayStride 4\n"
 355                                         "OpMemberDecorate %Output 0 Offset 0\n"
 356                                         "OpDecorate %Output BufferBlock\n"
 357                                         "OpDecorate %dataOutput DescriptorSet 0\n"
 358                                         "OpDecorate %dataOutput Binding 2\n"
 359                                         "OpDecorate %_arr_mat4v4float_uint_32 ArrayStride 64\n"
 360                                         "OpDecorate %_arr__arr_mat4v4float_uint_32_uint_32 ArrayStride 2048\n"
 361                                         "OpMemberDecorate %InputStruct 0 ColMajor\n"
 362                                         "OpMemberDecorate %InputStruct 0 Offset 0\n"
 363                                         "OpMemberDecorate %InputStruct 0 MatrixStride 16\n"
 364                                         "OpDecorate %InputStructArr ArrayStride 65536\n"
 365                                         "OpDecorate %Input ${inputdecoration}\n"
 366                                         "OpMemberDecorate %Input 0 Offset 0\n"
 367                                         "OpDecorate %dataInput DescriptorSet 0\n"
 368                                         "OpDecorate %dataInput Binding 0\n"
 369                                         "OpDecorate %_ptr_buffer_InputStruct ArrayStride 65536\n"
 370                                         "OpDecorate %_arr_v4uint_uint_128 ArrayStride 16\n"
 371                                         "OpMemberDecorate %DataSelector 0 Offset 0\n"
 372                                         "OpDecorate %DataSelector BufferBlock\n"
 373                                         "OpDecorate %selector DescriptorSet 0\n"
 374                                         "OpDecorate %selector Binding 1\n");
 375
 376                                 // Index an input buffer containing 2D array of 4x4 matrices. The indices are read from another
 377                                 // input and converted to the desired bit size and sign.
 378                                 const StringTemplate            testFun(
 379                                         "        %test_code = OpFunction %v4f32 None %v4f32_v4f32_function\n"
 380                                         "            %param = OpFunctionParameter %v4f32\n"
 381
 382                                         "            %entry = OpLabel\n"
 383                                         "                %i = OpVariable %fp_i32 Function\n"
 384                                         "                     OpStore %i %c_i32_0\n"
 385                                         "                     OpBranch %loop\n"
 386
 387                                         "             %loop = OpLabel\n"
 388                                         "               %15 = OpLoad %i32 %i\n"
 389                                         "               %lt = OpSLessThan %bool %15 %c_i32_128\n"
 390                                         "                     OpLoopMerge %merge %inc None\n"
 391                                         "                     OpBranchConditional %lt %write %merge\n"
 392
 393                                         "            %write = OpLabel\n"
 394                                         "            %int_i = OpLoad %i32 %i\n"
 395                                         "               %39 = OpAccessChain %_ptr_Uniform_uint32 %selector %int_0 %int_i %uint_0\n"
 396                                         "               %40 = OpLoad %u32 %39\n"
 397                                         "               %43 = OpAccessChain %_ptr_Uniform_uint32 %selector %int_0 %int_i %uint_1\n"
 398                                         "               %44 = OpLoad %u32 %43\n"
 399                                         "               %47 = OpAccessChain %_ptr_Uniform_uint32 %selector %int_0 %int_i %uint_2\n"
 400                                         "               %48 = OpLoad %u32 %47\n"
 401                                         "               %51 = OpAccessChain %_ptr_Uniform_uint32 %selector %int_0 %int_i %uint_3\n"
 402                                         "               %52 = OpLoad %u32 %51\n"
 403                                         "               %i0 = ${convert} ${idx_uint} %40\n"
 404                                         "               %i1 = ${convert} ${idx_uint} %44\n"
 405                                         "               %i2 = ${convert} ${idx_uint} %48\n"
 406                                         "               %i3 = ${convert} ${idx_uint} %52\n"
 407                                         "%inputFirstElement = OpAccessChain %_ptr_buffer_InputStruct %dataInput %uint_0 %uint_0\n"
 408                                         "               %54 = ${accesschain}\n"
 409                                         "               %55 = OpLoad %f32 %54\n"
 410                                         "               %56 = OpAccessChain %_ptr_Uniform_float %dataOutput %int_0 %int_i\n"
 411                                         "                     OpStore %56 %55\n"
 412                                         "                     OpBranch %inc\n"
 413
 414                                         "              %inc = OpLabel\n"
 415                                         "               %67 = OpLoad %i32 %i\n"
 416                                         "               %69 = OpIAdd %i32 %67 %c_i32_1\n"
 417                                         "                     OpStore %i %69\n"
 418                                         "                     OpBranch %loop\n"
 419
 420                                         "            %merge = OpLabel\n"
 421                                         "                     OpReturnValue %param\n"
 422
 423                                         "                     OpFunctionEnd\n");
 424
 425                                 resources.inputs.push_back(Resource(BufferSp(new Float32Buffer(inputData)), VK_DESCRIPTOR_TYPE_STORAGE_BUFFER));
 426                                 resources.inputs.push_back(Resource(BufferSp(new Buffer<UVec4>(indexSelectorData)), VK_DESCRIPTOR_TYPE_STORAGE_BUFFER));
 427
 428                                 if (idxSize == 16)
 429                                 {
 430                                         fragments["capability"] = "OpCapability Int16\n";
 431                                         features.push_back("shaderInt16");
 432                                         specs["convert"] = "OpUConvert";
 433                                         specs["intdecl"] =      "                      %u16 = OpTypeInt 16 0\n"
 434                                                                 "                      %i16 = OpTypeInt 16 1\n";
 435                                 }
 436                                 else if (idxSize == 64)
 437                                 {
 438                                         fragments["capability"] = "OpCapability Int64\n";
 439                                         features.push_back("shaderInt64");
 440                                         specs["convert"] = "OpUConvert";
 441                                         specs["intdecl"] =      "                      %u64 = OpTypeInt 64 0\n"
 442                                                                 "                      %i64 = OpTypeInt 64 1\n";
 443                                 } else {
 444                                         specs["convert"] = "OpCopyObject";
 445                                 }
 446
 447                                 specs["idx_uint"] = "%u" + de::toString(idxSize);
 448                                 specs["idx_int"] = (sign ? "%i" : "%u") + de::toString(idxSize);
 449
 450                                 switch (chainOpIdx)
 451                                 {
 452                                         case CHAIN_OP_ACCESS_CHAIN:
 453                                                 specs["accesschain"]                            = "OpAccessChain %_ptr_Uniform_float %inputFirstElement %int_0 %i0 %i1 %i2 %i3\n";
 454                                                 specs["inputdecoration"]                        = "BufferBlock";
 455                                                 specs["inputstorageclass"]                      = "Uniform";
 456                                                 break;
 457                                         case CHAIN_OP_IN_BOUNDS_ACCESS_CHAIN:
 458                                                 specs["accesschain"]                            = "OpInBoundsAccessChain %_ptr_Uniform_float %inputFirstElement %int_0 %i0 %i1 %i2 %i3\n";
 459                                                 specs["inputdecoration"]                        = "BufferBlock";
 460                                                 specs["inputstorageclass"]                      = "Uniform";
 461                                                 break;
 462                                         default:
 463                                                 DE_ASSERT(chainOpIdx == CHAIN_OP_PTR_ACCESS_CHAIN);
 464                                                 specs["accesschain"]                            = "OpPtrAccessChain %_ptr_StorageBuffer_float %inputFirstElement %uint_1 %int_0 %i0 %i1 %i2 %i3\n";
 465                                                 specs["inputdecoration"]                        = "Block";
 466                                                 specs["inputstorageclass"]                      = "StorageBuffer";
 467                                                 specs["ptr_buffer_float"]                       = "%_ptr_StorageBuffer_float = OpTypePointer StorageBuffer %f32";
 468                                                 fragments["capability"]                         += "OpCapability VariablePointersStorageBuffer";
 469                                                 fragments["extension"]                          = "OpExtension \"SPV_KHR_variable_pointers\"\nOpExtension \"SPV_KHR_storage_buffer_storage_class\"";
 470                                                 extensions.push_back                            ("VK_KHR_variable_pointers");
 471                                                 vulkanFeatures.extVariablePointers      = EXTVARIABLEPOINTERSFEATURES_VARIABLE_POINTERS_STORAGEBUFFER;
 472                                                 element = 1;
 473                                                 break;
 474                                 };
 475
 476                                 outputData.reserve(numItems);
 477                                 for (deUint32 numIdx = 0; numIdx < numItems; ++numIdx)
 478                                 {
 479                                         // Determine the selected output float for the selected indices.
 480                                         const UVec4 vec = indexSelectorData[numIdx];
 481                                         outputData.push_back(inputData[element * sizeof(InputData) / 4 + vec.x() * (32 * 4 * 4) + vec.y() * 4 * 4 + vec.z() * 4 + vec.w()]);
 482                                 }
 483
 484                                 resources.outputs.push_back(Resource(BufferSp(new Float32Buffer(outputData)), VK_DESCRIPTOR_TYPE_STORAGE_BUFFER));
 485
 486                                 fragments["pre_main"]   = preMain.specialize(specs);
 487                                 fragments["decoration"] = decoration.specialize(specs);
 488                                 fragments["testfun"]    = testFun.specialize(specs);
 489
 490                                 createTestsForAllStages(
 491                                                 testName.c_str(), defaultColors, defaultColors, fragments, noSpecConstants,
 492                                                 noPushConstants, resources, noInterfaces, extensions, features, vulkanFeatures, structGroup.get());
 493                         }
 494                 }
 495         }
 496         group->addChild(structGroup.release());
 497 }
 498
 499 void addGraphicsOutputComponentIndexingTests (tcu::TestCaseGroup* testGroup)
 500 {
 501         RGBA                            defaultColors[4];
 502         vector<string>          noExtensions;
 503         map<string, string>     fragments                       = passthruFragments();
 504         const deUint32          numItems                        = 4;
 505         vector<deInt32>         inputData;
 506         vector<float>           outputData;
 507         const deInt32           pattern[]                       = { 2, 0, 1, 3 };
 508
 509         for (deUint32 itemIdx = 0; itemIdx < numItems; ++itemIdx)
 510         {
 511                 Vec4 output(0.0f);
 512                 output[pattern[itemIdx]] = 1.0f;
 513                 outputData.push_back(output.x());
 514                 outputData.push_back(output.y());
 515                 outputData.push_back(output.z());
 516                 outputData.push_back(output.w());
 517                 inputData.push_back(pattern[itemIdx]);
 518         }
 519
 520         getDefaultColors(defaultColors);
 521
 522         fragments["pre_main"] =
 523                 "             %a3u32 = OpTypeArray %u32 %c_i32_3\n"
 524                 "          %ip_a3u32 = OpTypePointer Input %a3u32\n"
 525                 "%v4f32_u32_function = OpTypeFunction %v4f32 %u32\n";
 526
 527         fragments["interface_op_func"] =
 528                 "%interface_op_func = OpFunction %v4f32 None %v4f32_u32_function\n"
 529                 "        %io_param1 = OpFunctionParameter %u32\n"
 530                 "            %entry = OpLabel\n"
 531                 "              %ret = OpCompositeConstruct %v4f32 %c_f32_0 %c_f32_0 %c_f32_0 %c_f32_0\n"
 532                 "                     OpReturnValue %ret\n"
 533                 "                     OpFunctionEnd\n";
 534
 535         fragments["post_interface_op_vert"] = fragments["post_interface_op_frag"] =
 536                 "%cpntPtr = OpAccessChain %op_f32 %IF_output %IF_input_val\n"
 537                 "           OpStore %cpntPtr %c_f32_1\n";
 538
 539         fragments["post_interface_op_tessc"] =
 540                 "%cpntPtr0 = OpAccessChain %op_f32 %IF_output %c_i32_0 %IF_input_val0\n"
 541                 "           OpStore %cpntPtr0 %c_f32_1\n"
 542                 "%cpntPtr1 = OpAccessChain %op_f32 %IF_output %c_i32_1 %IF_input_val1\n"
 543                 "           OpStore %cpntPtr1 %c_f32_1\n"
 544                 "%cpntPtr2 = OpAccessChain %op_f32 %IF_output %c_i32_2 %IF_input_val2\n"
 545                 "           OpStore %cpntPtr2 %c_f32_1\n";
 546
 547         fragments["post_interface_op_tesse"] = fragments["post_interface_op_geom"] =
 548                 "%cpntPtr = OpAccessChain %op_f32 %IF_output %IF_input_val0\n"
 549                 "           OpStore %cpntPtr %c_f32_1\n";
 550
 551         fragments["input_type"]         = "u32";
 552         fragments["output_type"]        = "v4f32";
 553
 554         GraphicsInterfaces      interfaces;
 555
 556         interfaces.setInputOutput(std::make_pair(IFDataType(1, NUMBERTYPE_UINT32), BufferSp(new Int32Buffer(inputData))),
 557                                                           std::make_pair(IFDataType(4, NUMBERTYPE_FLOAT32), BufferSp(new Float32Buffer(outputData))));
 558
 559         createTestsForAllStages("component", defaultColors, defaultColors, fragments, interfaces, noExtensions, testGroup);
 560 }
 561
 562 } // anonymous
 563
 564 tcu::TestCaseGroup* createIndexingComputeGroup (tcu::TestContext& testCtx)
 565 {
 566         de::MovePtr<tcu::TestCaseGroup> indexingGroup   (new tcu::TestCaseGroup(testCtx, "indexing", "Compute tests for data indexing."));
 567         de::MovePtr<tcu::TestCaseGroup> inputGroup              (new tcu::TestCaseGroup(testCtx, "input", "Tests for indexing input data."));
 568
 569         addComputeIndexingStructTests(inputGroup.get());
 570
 571         indexingGroup->addChild(inputGroup.release());
 572
 573         return indexingGroup.release();
 574 }
 575
 576 tcu::TestCaseGroup* createIndexingGraphicsGroup (tcu::TestContext& testCtx)
 577 {
 578         de::MovePtr<tcu::TestCaseGroup> indexingGroup   (new tcu::TestCaseGroup(testCtx, "indexing", "Graphics tests for data indexing."));
 579         de::MovePtr<tcu::TestCaseGroup> inputGroup              (new tcu::TestCaseGroup(testCtx, "input", "Tests for indexing input data."));
 580         de::MovePtr<tcu::TestCaseGroup> outputGroup             (new tcu::TestCaseGroup(testCtx, "output", "Tests for indexing output data."));
 581
 582         addGraphicsIndexingStructTests(inputGroup.get());
 583         addGraphicsOutputComponentIndexingTests(outputGroup.get());
 584
 585         indexingGroup->addChild(inputGroup.release());
 586         indexingGroup->addChild(outputGroup.release());
 587
 588         return indexingGroup.release();
 589 }
 590
 591 } // SpirVAssembly
 592 } // vkt