external/vulkancts/modules/vulkan/descriptor_indexing/vktDescriptorSetsIndexingTests.cpp

   1 /*------------------------------------------------------------------------
   2 * Vulkan Conformance Tests
   3 * ------------------------
   4 *
   5 * Copyright (c) 2019 The Khronos Group 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 Vulkan Decriptor Indexing Tests
  22 *//*--------------------------------------------------------------------*/
  23
  24 #include <algorithm>
  25 #include <iostream>
  26 #include <iterator>
  27 #include <functional>
  28 #include <sstream>
  29 #include <utility>
  30 #include <vector>
  31
  32 #include "vktDescriptorSetsIndexingTests.hpp"
  33
  34 #include "vkBuilderUtil.hpp"
  35 #include "vkCmdUtil.hpp"
  36 #include "vkDefs.hpp"
  37 #include "vkObjUtil.hpp"
  38 #include "vkPlatform.hpp"
  39 #include "vkPrograms.hpp"
  40 #include "vkQueryUtil.hpp"
  41 #include "vkTypeUtil.hpp"
  42
  43 #include "tcuTestLog.hpp"
  44 #include "tcuResource.hpp"
  45 #include "tcuImageCompare.hpp"
  46 #include "tcuCommandLine.hpp"
  47 #include "tcuStringTemplate.hpp"
  48 #include "tcuSurface.hpp"
  49 #include "tcuVectorUtil.hpp"
  50
  51 #include "deRandom.hpp"
  52 #include "deMath.h"
  53 #include "deStringUtil.hpp"
  54
  55 namespace vkt
  56 {
  57 namespace DescriptorIndexing
  58 {
  59 namespace
  60 {
  61 using namespace vk;
  62 using tcu::UVec2;
  63 using tcu::Vec4;
  64 using tcu::TestStatus;
  65 using tcu::PixelBufferAccess;
  66 using tcu::Texture2D;
  67
  68 #define RESOLUTION_width        64
  69 #define RESOLUTION_height       64
  70 static const VkExtent3D RESOLUTION = { RESOLUTION_width, RESOLUTION_height, 1 };
  71
  72 #define MAX_DESCRIPTORS         4200
  73 #define FUZZY_COMPARE           DE_FALSE
  74 #define CMP_THRESHOLD           0.02f
  75
  76 #define BINDING_Undefined                               0
  77 #define BINDING_UniformBuffer                   1
  78 #define BINDING_StorageBuffer                   2
  79 #define BINDING_UniformTexelBuffer              3
  80 #define BINDING_StorageTexelBuffer              4
  81 #define BINDING_Sampler                                 5
  82 #define BINDING_SampledImage                    6
  83 #define BINDING_CombinedImageSampler    7
  84 #define BINDING_UniformBufferDynamic    8
  85 #define BINDING_StorageBufferDynamic    9
  86 #define BINDING_InputAttachment                 10
  87 #define BINDING_StorageImage                    11
  88 #define BINDING_DescriptorEnumerator    12
  89
  90 static const VkExtent3D                 smallImageExtent                                = { 4, 4, 1 };
  91 static const VkExtent3D                 bigImageExtent                                  = { 32, 32, 1 };
  92
  93 #ifndef CTS_USES_VULKANSC
  94 static const VkDescriptorType   VK_DESCRIPTOR_TYPE_UNDEFINED    = VK_DESCRIPTOR_TYPE_INLINE_UNIFORM_BLOCK_EXT;
  95 #else
  96 static const VkDescriptorType   VK_DESCRIPTOR_TYPE_UNDEFINED    = VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT;
  97 #endif
  98
  99 template<deUint32 BindingNumber>
 100 struct Binding
 101 {
 102         static const deUint32   binding = BindingNumber;
 103 };
 104
 105 struct BindingUniformBuffer : Binding<BINDING_UniformBuffer>
 106 {
 107         typedef struct
 108         {
 109                 tcu::Vec4 c;
 110         } Data;
 111 };
 112
 113 struct BindingStorageBuffer : Binding<BINDING_StorageBuffer>
 114 {
 115         typedef struct
 116         {
 117                 tcu::Vec4 cnew;
 118                 tcu::Vec4 cold;
 119         } Data;
 120 };
 121
 122 struct TestCaseParams
 123 {
 124         VkDescriptorType        descriptorType;         // used only to distinguish test class instance
 125         VkShaderStageFlags      stageFlags;                     // used only to build a proper program
 126         VkExtent3D                      frameResolution;        // target frame buffer resolution
 127         bool                            updateAfterBind;        // whether a test will use update after bind feature
 128         bool                            calculateInLoop;        // perform calculation in a loop
 129         bool                            usesMipMaps;            // this makes a sense and affects in image test cases only
 130         bool                            minNonUniform;          // whether a test will use the minimum nonUniform decorations
 131         deBool                          fuzzyComparison;        // if true then a test will use fuzzy comparison, otherwise float threshold
 132         float                           thresholdValue;         // a threshold that will be used for both, float and fuzzy comparisons
 133 };
 134
 135 struct TestParams
 136 {
 137         VkShaderStageFlags      stageFlags;
 138         VkDescriptorType        descriptorType;
 139         deUint32                        descriptorBinding;
 140         VkDescriptorType        additionalDescriptorType;
 141         deUint32                        additionalDescriptorBinding;
 142         bool                            copyBuffersToImages;
 143         bool                            allowVertexStoring;
 144         VkExtent3D                      frameResolution;
 145         bool                            updateAfterBind;
 146         bool                            calculateInLoop;
 147         bool                            usesMipMaps;
 148         bool                            minNonUniform;
 149         deBool                          fuzzyComparison;
 150         float                           thresholdValue;
 151
 152         TestParams                      (VkShaderStageFlags             stageFlags_,
 153                                                 VkDescriptorType                descriptorType_,
 154                                                 deUint32                                descriptorBinding_,
 155                                                 VkDescriptorType                additionalDescriptorType_,
 156                                                 deUint32                                additionalDescriptorBinding_,
 157                                                 bool                                    copyBuffersToImages_,
 158                                                 bool                                    allowVertexStoring_,
 159                                                 const TestCaseParams&   caseParams)
 160                 : stageFlags                                                    (stageFlags_)
 161                 , descriptorType                                                (descriptorType_)
 162                 , descriptorBinding                                             (descriptorBinding_)
 163                 , additionalDescriptorType                              (additionalDescriptorType_)
 164                 , additionalDescriptorBinding                   (additionalDescriptorBinding_)
 165                 , copyBuffersToImages                                   (copyBuffersToImages_)
 166                 , allowVertexStoring                                    (allowVertexStoring_)
 167                 , frameResolution                                               (caseParams.frameResolution)
 168                 , updateAfterBind                                               (caseParams.updateAfterBind)
 169                 , calculateInLoop                                               (caseParams.calculateInLoop)
 170                 , usesMipMaps                                                   (caseParams.usesMipMaps)
 171                 , minNonUniform                                                 (caseParams.minNonUniform)
 172                 , fuzzyComparison                                               (caseParams.fuzzyComparison ? true : false)
 173                 , thresholdValue                                                (caseParams.thresholdValue)
 174         {
 175         }
 176 };
 177
 178 struct DescriptorEnumerator
 179 {
 180         ut::BufferHandleAllocSp                                                 buffer;
 181         ut::BufferViewSp                                                                bufferView;
 182         VkDeviceSize                                                                    bufferSize;
 183
 184         Move<VkDescriptorSetLayout>                                             descriptorSetLayout;
 185         Move<VkDescriptorPool>                                                  descriptorPool;
 186         Move<VkDescriptorSet>                                                   descriptorSet;
 187
 188         void init(const vkt::Context& context, deUint32 vertexCount, deUint32 availableDescriptorCount);
 189         void update(const vkt::Context& context);
 190 };
 191
 192 struct IterateCommonVariables
 193 {
 194         // An amount of descriptors of a given type available on the platform
 195         deUint32                                                                                availableDescriptorCount;
 196         // An amount of valid descriptors that have connected a buffers to them
 197         deUint32                                                                                validDescriptorCount;
 198         // As the name suggests, sometimes it is used as invocationCount
 199         deUint32                                                                                vertexCount;
 200         VkRect2D                                                                                renderArea;
 201         VkDeviceSize                                                                    dataAlignment;
 202         deUint32                                                                                lowerBound;
 203         deUint32                                                                                upperBound;
 204
 205         DescriptorEnumerator                                                    descriptorEnumerator;
 206
 207         ut::BufferHandleAllocSp                                                 vertexAttributesBuffer;
 208         ut::BufferHandleAllocSp                                                 descriptorsBuffer;
 209         std::vector<VkDescriptorBufferInfo>                             descriptorsBufferInfos;
 210         std::vector<ut::BufferViewSp>                                   descriptorsBufferViews;
 211         std::vector<ut::ImageViewSp>                                    descriptorImageViews;
 212         std::vector<ut::SamplerSp>                                              descriptorSamplers;
 213         std::vector<ut::ImageHandleAllocSp>                             descriptorsImages;
 214         ut::FrameBufferSp                                                               frameBuffer;
 215
 216         Move<VkDescriptorSetLayout>                                             descriptorSetLayout;
 217         Move<VkDescriptorPool>                                                  descriptorPool;
 218         Move<VkDescriptorSet>                                                   descriptorSet;
 219         Move<VkPipelineLayout>                                                  pipelineLayout;
 220         Move<VkRenderPass>                                                              renderPass;
 221         Move<VkPipeline>                                                                pipeline;
 222         Move<VkCommandBuffer>                                                   commandBuffer;
 223 };
 224
 225 class CommonDescriptorInstance : public TestInstance
 226 {
 227 public:
 228                                                                 CommonDescriptorInstance                (Context&                                                                       context,
 229                                                                                                                                 const TestParams&                                                       testParams);
 230
 231         deUint32                                        computeAvailableDescriptorCount (VkDescriptorType                                                       descriptorType,
 232                                                                                                                                  bool                                                                           reserveUniformTexelBuffer) const;
 233
 234         Move<VkDescriptorSetLayout>     createDescriptorSetLayout               (bool                                                                           reserveUniformTexelBuffer,
 235                                                                                                                                  deUint32&                                                                      descriptorCount) const;
 236
 237         Move<VkDescriptorPool>          createDescriptorPool                    (deUint32                                                                       descriptorCount) const;
 238
 239         Move<VkDescriptorSet>           createDescriptorSet                             (VkDescriptorPool                                                       dsPool,
 240                                                                                                                                  VkDescriptorSetLayout                                          dsLayout) const;
 241
 242         struct attributes
 243         {
 244                 typedef tcu::Vec4       vec4;
 245                 typedef tcu::Vec2       vec2;
 246                 typedef tcu::IVec4      ivec4;
 247                 vec4                    position;
 248                 vec2                    normalpos;
 249                 ivec4                   index;
 250                 attributes& operator()(const vec4& pos)
 251                 {
 252                         position = pos;
 253
 254                         normalpos.x() = (pos.x() + 1.0f) / 2.0f;
 255                         normalpos.y() = (pos.y() + 1.0f) / 2.0f;
 256
 257                         return *this;
 258                 }
 259         };
 260         void                                            createVertexAttributeBuffer             (ut::BufferHandleAllocSp&                                       buffer,
 261                                                                                                                                  deUint32                                                                       availableDescriptorCount) const;
 262
 263         static std::string                      substBinding                                    (deUint32                                                                       binding,
 264                                                                                                                                  const char*                                                            str,
 265                                                                                                                                  deUint32                                                                       count = 0,
 266                                                                                                                                  const char*                                                            name = DE_NULL);
 267
 268         static const char*                      getVertexShaderProlog                   (void);
 269
 270         static const char*                      getFragmentShaderProlog                 (void);
 271
 272         static const char*                      getShaderEpilog                                 (void);
 273
 274         static bool                                     performWritesInVertex                   (VkDescriptorType                                                       descriptorType);
 275
 276         static bool                                     performWritesInVertex                   (VkDescriptorType                                                       descriptorType,
 277                                                                                                                                  const Context&                                                 context);
 278
 279         static std::string                      getShaderAsm                                    (VkShaderStageFlagBits                                          shaderType,
 280                                                                                                                                  const TestCaseParams&                                          testCaseParams,
 281                                                                                                                                  bool                                                                           allowVertexStoring);
 282
 283         static std::string                      getShaderSource                 (VkShaderStageFlagBits                                          shaderType,
 284                                                                          const TestCaseParams&                                          testCaseParams,
 285                                                                          bool                                                                           allowVertexStoring);
 286
 287         static std::string                      getColorAccess                                  (VkDescriptorType                                                       descriptorType,
 288                                                                                                                                  const char*                                                            indexVariableName,
 289                                                                                                                                  bool                                                                           usesMipMaps);
 290
 291         static std::string                      getFragmentReturnSource                 (const std::string&                                                     colorAccess);
 292
 293         static std::string                      getFragmentLoopSource                   (const std::string&                                                     colorAccess1,
 294                                                                                                                                  const std::string&                                                     colorAccess2);
 295
 296         virtual Move<VkRenderPass>      createRenderPass                                (const IterateCommonVariables&                          variables);
 297
 298         struct push_constant
 299         {
 300                 deInt32 lowerBound;
 301                 deInt32 upperBound;
 302         };
 303         VkPushConstantRange                     makePushConstantRange                   (void) const;
 304
 305         Move<VkPipelineLayout>          createPipelineLayout                    (const std::vector<VkDescriptorSetLayout>&      descriptorSetLayouts) const;
 306
 307         // Creates graphics or compute pipeline and appropriate shaders' modules according the testCaseParams.stageFlags
 308         // In the case of compute pipeline renderPass parameter is ignored.
 309         // Viewport will be created with a width and a height taken from testCaseParam.fragResolution.
 310         Move<VkPipeline>                        createPipeline                                  (VkPipelineLayout                                                       pipelineLayout,
 311                                                                                                                                  VkRenderPass                                                           renderPass);
 312
 313         virtual void                            createFramebuffer                               (ut::FrameBufferSp&                                                     frameBuffer,
 314                                                                                                                                  VkRenderPass                                                           renderPass,
 315                                                                                                                                  const IterateCommonVariables&                          variables);
 316
 317         // Creates one big stagging buffer cutted out on chunks that can accomodate an element of elementSize size
 318         VkDeviceSize                            createBuffers                                   (std::vector<VkDescriptorBufferInfo>&           bufferInfos,
 319                                                                                                                                  ut::BufferHandleAllocSp&                                       buffer,
 320                                                                                                                                  deUint32                                                                       elementCount,
 321                                                                                                                                  deUint32                                                                       elementSize,
 322                                                                                                                                  VkDeviceSize                                                           alignment,
 323                                                                                                                                  VkBufferUsageFlags                                                     bufferUsage);
 324
 325         // Creates and binds an imagesCount of images with given parameters.
 326         // Additionally creates stagging buffer for their data and PixelBufferAccess for particular images.
 327         VkDeviceSize                            createImages                                    (std::vector<ut::ImageHandleAllocSp>&           images,
 328                                                                                                                                  std::vector<VkDescriptorBufferInfo>&           bufferInfos,
 329                                                                                                                                  ut::BufferHandleAllocSp&                                       buffer,
 330                                                                                                                                  VkBufferUsageFlags                                                     bufferUsage,
 331                                                                                                                                  const VkExtent3D&                                                      imageExtent,
 332                                                                                                                                  VkFormat                                                                       imageFormat,
 333                                                                                                                                  VkImageLayout                                                          imageLayout,
 334                                                                                                                                  deUint32                                                                       imageCount,
 335                                                                                                                                  bool                                                                           withMipMaps = false);
 336
 337         void                                            createBuffersViews                              (std::vector<ut::BufferViewSp>&                         views,
 338                                                                                                                                  const std::vector<VkDescriptorBufferInfo>&     bufferInfos,
 339                                                                                                                                  VkFormat                                                                       format);
 340
 341         void                                            createImagesViews                               (std::vector<ut::ImageViewSp>&                          views,
 342                                                                                                                                  const std::vector<ut::ImageHandleAllocSp>&     images,
 343                                                                                                                                  VkFormat                                                                       format);
 344
 345         virtual void                            copyBuffersToImages                             (IterateCommonVariables&                                        variables);
 346
 347         virtual void                            copyImagesToBuffers                             (IterateCommonVariables&                                        variables);
 348
 349         PixelBufferAccess                       getPixelAccess                                  (deUint32                                                                       imageIndex,
 350                                                                                                                                  const VkExtent3D&                                                      imageExtent,
 351                                                                                                                                  VkFormat                                                                       imageFormat,
 352                                                                                                                                  const std::vector<VkDescriptorBufferInfo>&     bufferInfos,
 353                                                                                                                                  const ut::BufferHandleAllocSp&                         buffer,
 354                                                                                                                                  deUint32                                                                       mipLevel = 0u) const;
 355
 356         virtual void                            createAndPopulateDescriptors    (IterateCommonVariables&                                        variables) = 0;
 357
 358         virtual void                            updateDescriptors                               (IterateCommonVariables&                                        variables);
 359
 360         virtual void                            iterateCollectResults                   (ut::UpdatablePixelBufferAccessPtr&                     result,
 361                                                                                                                                  const IterateCommonVariables&                          variables,
 362                                                                                                                                  bool                                                                           fromTest);
 363
 364         void                                            iterateCommandSetup                             (IterateCommonVariables&                                        variables);
 365
 366         void                                            iterateCommandBegin                             (IterateCommonVariables&                                        variables,
 367                                                                                                                                 bool                                                                            firstPass = true);
 368
 369         void                                            iterateCommandEnd                               (IterateCommonVariables&                                        variables,
 370                                                                                                                                 ut::UpdatablePixelBufferAccessPtr&      programResult,
 371                                                                                                                                 ut::UpdatablePixelBufferAccessPtr&      referenceResult,
 372                                                                                                                                  bool                                                                           collectBeforeSubmit = true);
 373
 374         bool                                            iterateVerifyResults                    (IterateCommonVariables&                                        variables,
 375                                                                                                                                          ut::UpdatablePixelBufferAccessPtr      programResult,
 376                                                                                                                                          ut::UpdatablePixelBufferAccessPtr      referenceResult);
 377
 378         Move<VkCommandBuffer>           createCmdBuffer                                 (void);
 379
 380         void                                            commandBindPipeline                             (VkCommandBuffer                                                        commandBuffer,
 381                                                                                                                                  VkPipeline                                                                     pipeline);
 382
 383         void                                            commandBindVertexAttributes             (VkCommandBuffer                                                        commandBuffer,
 384                                                                                                                                  const ut::BufferHandleAllocSp&                         vertexAttributesBuffer);
 385
 386         void                                            commandBindDescriptorSets               (VkCommandBuffer                                                        commandBuffer,
 387                                                                                                                                  VkPipelineLayout                                                       pipelineLayout,
 388                                                                                                                                  VkDescriptorSet                                                        descriptorSet,
 389                                                                                                                                  deUint32                                                                       descriptorSetIndex);
 390
 391         void                                            commandReadFrameBuffer                  (ut::BufferHandleAllocSp&                                       content,
 392                                                                                                                                  VkCommandBuffer                                                        commandBuffer,
 393                                                                                                                                  const ut::FrameBufferSp&                                       frameBuffer);
 394         ut::UpdatablePixelBufferAccessPtr
 395                                                                 commandReadFrameBuffer                  (VkCommandBuffer                                                        commandBuffer,
 396                                                                                                                                  const ut::FrameBufferSp&                                       frameBuffer);
 397
 398         Move<VkFence>                           commandSubmit                                   (VkCommandBuffer                                                        commandBuffer);
 399
 400         virtual bool                            verifyVertexWriteResults                (IterateCommonVariables&                                        variables);
 401
 402 protected:
 403         virtual tcu::TestStatus         iterate                                                 (void);
 404
 405 protected:
 406         const VkDevice                          m_vkd;
 407         const DeviceInterface&          m_vki;
 408         Allocator&                                      m_allocator;
 409         const VkQueue                           m_queue;
 410         const deUint32                          m_queueFamilyIndex;
 411         const Move<VkCommandPool>       m_commandPool;
 412         const VkFormat                          m_colorFormat;
 413         const TestParams                        m_testParams;
 414         static const tcu::Vec4          m_clearColor;
 415         const std::vector<float>        m_colorScheme;
 416         const deUint32                          m_schemeSize;
 417
 418 private:
 419
 420         Move<VkPipeline>                        createGraphicsPipeline                  (VkPipelineLayout                                                       pipelineLayout,
 421                                                                                                                                  VkRenderPass                                                           renderPass);
 422
 423         Move<VkPipeline>                        createComputePipeline                   (VkPipelineLayout                                                       pipelineLayout);
 424
 425         int                                                     constructShaderModules                  (void);
 426
 427         static std::vector<float>       createColorScheme();
 428
 429         Move<VkShaderModule>            m_vertexModule;
 430         Move<VkShaderModule>            m_fragmentModule;
 431         Move<VkShaderModule>            m_computeModule;
 432 };
 433 const tcu::Vec4 CommonDescriptorInstance::m_clearColor = tcu::Vec4(0.0f, 0.0f, 0.0f, 1.0f);
 434
 435 void DescriptorEnumerator::init (const vkt::Context& context, deUint32 vertexCount, deUint32 availableDescriptorCount)
 436 {
 437         const VkDevice                                  device = context.getDevice();
 438         const DeviceInterface&                  deviceInterface = context.getDeviceInterface();
 439
 440         const VkFormat                                  imageFormat = VK_FORMAT_R32G32B32A32_SINT;
 441         typedef ut::mapVkFormat2Type<imageFormat>::type pixelType;
 442         const VkDeviceSize                              dataSize = vertexCount * sizeof(pixelType);
 443         const std::vector<deUint32>             primes = ut::generatePrimes(availableDescriptorCount);
 444         const deUint32                                  primeCount = static_cast<deUint32>(primes.size());
 445
 446         std::vector<pixelType>  data(vertexCount);
 447         // e.g. 2,3,5,7,11,13,2,3,5,7,...
 448         for (deUint32 idx = 0; idx < vertexCount; ++idx)
 449         {
 450                 data[idx].x() = static_cast<pixelType::Element>(primes[idx % primeCount]);
 451                 data[idx].y() = static_cast<pixelType::Element>(idx);
 452         }
 453
 454         bufferSize = ut::createBufferAndBind(buffer, context, VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT, dataSize);
 455         deMemcpy(buffer->alloc->getHostPtr(), data.data(), static_cast<size_t>(dataSize));
 456
 457         const VkBufferViewCreateInfo bufferViewCreateInfo =
 458         {
 459                 VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO,              // sType
 460                 DE_NULL,                                                                                // pNext
 461                 0u,                                                                                             // flags
 462                 *(buffer.get()->buffer),                                                // buffer
 463                 imageFormat,                                                                    // format
 464                 0u,                                                                                             // offset
 465                 bufferSize,                                                                             // range
 466         };
 467
 468         bufferView = ut::BufferViewSp(new Move<VkBufferView>(vk::createBufferView(deviceInterface, device, &bufferViewCreateInfo)));
 469
 470         const VkDescriptorSetLayoutBinding      binding =
 471         {
 472                 BINDING_DescriptorEnumerator,                                   // binding
 473                 VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,                // descriptorType
 474                 1u,                                                                                             // descriptorCount
 475                 VK_SHADER_STAGE_ALL,                                                    // stageFlags
 476                 DE_NULL,                                                                                // pImmutableSamplers
 477         };
 478
 479         const VkDescriptorSetLayoutCreateInfo   layoutCreateInfo =
 480         {
 481                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
 482                 DE_NULL,                                                                                // pNext
 483                 0u,                                                                                             // flags
 484                 1u,                                                                                             // bindingCount
 485                 &binding,                                                                               // pBindings
 486         };
 487
 488         descriptorSetLayout = vk::createDescriptorSetLayout(deviceInterface, device, &layoutCreateInfo);
 489         descriptorPool = DescriptorPoolBuilder().addType(binding.descriptorType)
 490                 .build(deviceInterface, device, VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, 1u);
 491
 492         const VkDescriptorSetAllocateInfo       dsAllocInfo =
 493         {
 494                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO, // sType
 495                 DE_NULL,                                                                                // pNext
 496                 *descriptorPool,                                                                // descriptorPool
 497                 1u,                                                                                             // descriptorSetCount
 498                 &(*descriptorSetLayout)                                                 // pSetLayouts
 499         };
 500
 501         descriptorSet = vk::allocateDescriptorSet(deviceInterface, device, &dsAllocInfo);
 502 }
 503
 504 void DescriptorEnumerator::update (const vkt::Context& context)
 505 {
 506         const VkDescriptorBufferInfo bufferInfo =
 507         {
 508                 *(buffer.get()->buffer),                                        // buffer
 509                 0u,                                                                                     // offset
 510                 bufferSize,                                                                     // range
 511         };
 512
 513         const VkWriteDescriptorSet writeInfo =
 514         {
 515                 VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
 516                 DE_NULL,                                                                        // pNext
 517                 *descriptorSet,                                                         // dstSet
 518                 BINDING_DescriptorEnumerator,                           // dstBinding
 519                 0u,                                                                                     // dstArrayElement
 520                 1u,                                                                                     // descriptorCount
 521                 VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,        // descriptorType
 522                 DE_NULL,                                                                        // pImageInfo
 523                 &bufferInfo,                                                            // pBufferInfo
 524                 &(**bufferView),                                                        // pTexelBufferView
 525         };
 526
 527         context.getDeviceInterface().updateDescriptorSets(context.getDevice(), 1u, &writeInfo, 0u, DE_NULL);
 528 }
 529
 530 CommonDescriptorInstance::CommonDescriptorInstance                                      (Context&                                                               context,
 531                                                                                                                                         const TestParams&                                               testParams)
 532         : TestInstance          (context)
 533         , m_vkd                         (context.getDevice())
 534         , m_vki                         (context.getDeviceInterface())
 535         , m_allocator           (context.getDefaultAllocator())
 536         , m_queue                       (context.getUniversalQueue())
 537         , m_queueFamilyIndex(context.getUniversalQueueFamilyIndex())
 538         , m_commandPool         (vk::createCommandPool(m_vki, m_vkd, (VK_COMMAND_POOL_CREATE_TRANSIENT_BIT | VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT), m_queueFamilyIndex))
 539         , m_colorFormat         (VK_FORMAT_R32G32B32A32_SFLOAT)
 540         , m_testParams          (testParams)
 541         , m_colorScheme         (createColorScheme())
 542         , m_schemeSize          (static_cast<deUint32>(m_colorScheme.size()))
 543 {
 544 }
 545
 546 deUint32 CommonDescriptorInstance::computeAvailableDescriptorCount      (VkDescriptorType                                               descriptorType,
 547                                                                                                                                          bool                                                                   reserveUniformTexelBuffer) const
 548 {
 549         DE_UNREF(descriptorType);
 550         const deUint32 vertexCount = m_testParams.frameResolution.width * m_testParams.frameResolution.height;
 551         const deUint32 availableDescriptorsOnDevice = ut::DeviceProperties(m_context).computeMaxPerStageDescriptorCount(m_testParams.descriptorType, m_testParams.updateAfterBind, reserveUniformTexelBuffer);
 552         return deMinu32(deMinu32(vertexCount, availableDescriptorsOnDevice), MAX_DESCRIPTORS);
 553 }
 554
 555 Move<VkDescriptorSetLayout>     CommonDescriptorInstance::createDescriptorSetLayout (bool                                               reserveUniformTexelBuffer,
 556                                                                                                                                                                  deUint32&                                      descriptorCount) const
 557 {
 558         descriptorCount = computeAvailableDescriptorCount(m_testParams.descriptorType, reserveUniformTexelBuffer);
 559
 560         bool optional = (m_testParams.additionalDescriptorBinding != BINDING_Undefined) && (m_testParams.additionalDescriptorType != VK_DESCRIPTOR_TYPE_UNDEFINED);
 561
 562         const VkShaderStageFlags bindingStageFlags = (m_testParams.descriptorType == VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT) ?
 563                                                                                                         VkShaderStageFlags{VK_SHADER_STAGE_FRAGMENT_BIT} : m_testParams.stageFlags;
 564
 565         const VkDescriptorSetLayoutBinding      bindings[] =
 566         {
 567                 {
 568                         m_testParams.descriptorBinding,                         // binding
 569                         m_testParams.descriptorType,                            // descriptorType
 570                         descriptorCount,                                                        // descriptorCount
 571                         bindingStageFlags,                                                      // stageFlags
 572                         DE_NULL,                                                                        // pImmutableSamplers
 573                 },
 574                 {
 575                         m_testParams.additionalDescriptorBinding,       // binding
 576                         m_testParams.additionalDescriptorType,          // descriptorType
 577                         1,                                                                                      // descriptorCount
 578                         bindingStageFlags,                                                      // stageFlags
 579                         DE_NULL,                                                                        // pImmutableSamplers
 580                 }
 581         };
 582
 583         const VkDescriptorBindingFlags  bindingFlagUpdateAfterBind =
 584                 m_testParams.updateAfterBind ? VK_DESCRIPTOR_BINDING_UPDATE_AFTER_BIND_BIT : 0;
 585
 586         const VkDescriptorBindingFlags bindingFlags[] =
 587         {
 588                 VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT | bindingFlagUpdateAfterBind,
 589                 VK_DESCRIPTOR_BINDING_PARTIALLY_BOUND_BIT | bindingFlagUpdateAfterBind
 590         };
 591
 592         const VkDescriptorSetLayoutBindingFlagsCreateInfo       bindingCreateInfo =
 593         {
 594                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_BINDING_FLAGS_CREATE_INFO,
 595                 DE_NULL,
 596                 optional ? 2u : 1u,     // bindingCount
 597                 bindingFlags,           // pBindingFlags
 598         };
 599
 600         const VkDescriptorSetLayoutCreateFlags  layoutCreateFlags =
 601                 m_testParams.updateAfterBind ? VK_DESCRIPTOR_SET_LAYOUT_CREATE_UPDATE_AFTER_BIND_POOL_BIT : 0;
 602
 603         const VkDescriptorSetLayoutCreateInfo   layoutCreateInfo =
 604         {
 605                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
 606                 &bindingCreateInfo,             // pNext
 607                 layoutCreateFlags,              // flags
 608                 optional ? 2u : 1u,             // bindingCount
 609                 bindings,                               // pBindings
 610         };
 611
 612         return vk::createDescriptorSetLayout(m_vki, m_vkd, &layoutCreateInfo);
 613 }
 614
 615 Move<VkDescriptorPool>  CommonDescriptorInstance::createDescriptorPool (deUint32                                                        descriptorCount) const
 616 {
 617         const VkDescriptorPoolCreateFlags pcf = m_testParams.updateAfterBind ? VK_DESCRIPTOR_POOL_CREATE_UPDATE_AFTER_BIND_BIT : 0;
 618
 619         DescriptorPoolBuilder builder;
 620
 621         builder.addType(m_testParams.descriptorType, descriptorCount);
 622
 623         if (m_testParams.additionalDescriptorType != VK_DESCRIPTOR_TYPE_UNDEFINED && m_testParams.additionalDescriptorBinding != BINDING_Undefined)
 624         {
 625                 builder.addType(m_testParams.additionalDescriptorType, 1);
 626         }
 627
 628         return builder.build(m_vki, m_vkd, (VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT | pcf), 1u);
 629 }
 630
 631 Move<VkDescriptorSet> CommonDescriptorInstance::createDescriptorSet     (VkDescriptorPool                                               dsPool,
 632                                                                                                                                          VkDescriptorSetLayout                                  dsLayout) const
 633 {
 634         const VkDescriptorSetAllocateInfo       dsAllocInfo =
 635         {
 636                 VK_STRUCTURE_TYPE_DESCRIPTOR_SET_ALLOCATE_INFO,         // sType;
 637                 DE_NULL,                                                                                        // pNext;
 638                 dsPool,                                                                                         // descriptorPool;
 639                 1u,                                                                                                     // descriptorSetCount
 640                 &dsLayout                                                                                       // pSetLayouts
 641         };
 642
 643         return vk::allocateDescriptorSet(m_vki, m_vkd, &dsAllocInfo);
 644 }
 645
 646 void CommonDescriptorInstance::createVertexAttributeBuffer                      (ut::BufferHandleAllocSp&                               buffer,
 647                                                                                                                                          deUint32                                                               availableDescriptorCount) const
 648 {
 649         float                                           xSize                   = 0.0f;
 650         float                                           ySize                   = 0.0f;
 651
 652         const deUint32                          invocationCount = m_testParams.frameResolution.width * m_testParams.frameResolution.height;
 653         const std::vector<Vec4>         vertices                = ut::createVertices(m_testParams.frameResolution.width, m_testParams.frameResolution.height, xSize, ySize);
 654         const std::vector<deUint32>     primes                  = ut::generatePrimes(availableDescriptorCount);
 655         const deUint32                          primeCount              = static_cast<deUint32>(primes.size());
 656
 657         std::vector<attributes> data(vertices.size());
 658         std::transform(vertices.begin(), vertices.end(), data.begin(), attributes());
 659
 660         for (deUint32 invIdx = 0; invIdx < invocationCount; ++invIdx)
 661         {
 662                 // r: 2,3,5,7,11,13,2,3,5,7,...
 663                 data[invIdx].index.x() = primes[invIdx % primeCount];
 664
 665                 // b: x index in texel coordinate
 666                 data[invIdx].index.z() = invIdx % m_testParams.frameResolution.width;
 667
 668                 //a: y index in texel coordinate
 669                 data[invIdx].index.w() = invIdx / m_testParams.frameResolution.width;
 670         }
 671
 672         // g: 0,0,2,3,0,5,0,7,0,0,0,11,0,13,...
 673         for (deUint32 primeIdx = 0; primeIdx < primeCount; ++primeIdx)
 674         {
 675                 const deUint32 prime = primes[primeIdx];
 676                 DE_ASSERT(prime < invocationCount);
 677                 data[prime].index.y() = prime;
 678         }
 679
 680         const VkDeviceSize              dataSize = data.size() * sizeof(attributes);
 681
 682         VkDeviceSize                    deviceSize = ut::createBufferAndBind(buffer, m_context, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, dataSize);
 683
 684         deMemcpy(buffer->alloc->getHostPtr(), data.data(), static_cast<size_t>(deviceSize));
 685
 686         vk::flushAlloc(m_vki, m_vkd, *buffer->alloc);
 687 }
 688
 689 std::string CommonDescriptorInstance::substBinding                                      (deUint32                                                               binding,
 690                                                                                                                                          const char*                                                    str,
 691                                                                                                                                          deUint32                                                               count,
 692                                                                                                                                          const char*                                                    name)
 693 {
 694         std::map<std::string, std::string> vars;
 695         vars["?"]       = de::toString(binding);
 696         vars["*"]       = (0 == count)          ? ""            : de::toString(count);
 697         vars["VAR"]     = (DE_NULL == name)     ? "data"        : name;
 698         return tcu::StringTemplate(str).specialize(vars);
 699 }
 700
 701 const char* CommonDescriptorInstance::getVertexShaderProlog                     (void)
 702 {
 703         return
 704                 "layout(location = 0) in  vec4  in_position;    \n"
 705                 "layout(location = 1) in  vec2  in_normalpos;   \n"
 706                 "layout(location = 2) in  ivec4 index;                  \n"
 707                 "layout(location = 0) out vec4  position;       \n"
 708                 "layout(location = 1) out vec2  normalpos;      \n"
 709                 "layout(location = 2) out int   vIndex;         \n"
 710                 "layout(location = 3) out int   rIndex;         \n"
 711                 "layout(location = 4) out int   gIndex;         \n"
 712                 "layout(location = 5) out int   bIndex;         \n"
 713                 "layout(location = 6) out int   aIndex;         \n"
 714                 "void main()                                                    \n"
 715                 "{                                                                              \n"
 716                 "    gl_PointSize = 0.2f;                               \n"
 717                 "    position = in_position;                    \n"
 718                 "    normalpos = in_normalpos;                  \n"
 719                 "    gl_Position = position;                    \n"
 720                 "    vIndex = gl_VertexIndex;                   \n"
 721                 "    rIndex = index.x;                                  \n"
 722                 "    gIndex = index.y;                                  \n"
 723                 "    bIndex = index.z;                                  \n"
 724                 "    aIndex = index.w;                                  \n";
 725 }
 726
 727 const char* CommonDescriptorInstance::getFragmentShaderProlog           (void)
 728 {
 729         return
 730                 "layout(location = 0) out vec4     FragColor;   \n"
 731                 "layout(location = 0) in flat vec4 position;    \n"
 732                 "layout(location = 1) in flat vec2 normalpos;   \n"
 733                 "layout(location = 2) in flat int  vIndex;              \n"
 734                 "layout(location = 3) in flat int  rIndex;              \n"
 735                 "layout(location = 4) in flat int  gIndex;              \n"
 736                 "layout(location = 5) in flat int  bIndex;              \n"
 737                 "layout(location = 6) in flat int  aIndex;              \n"
 738                 "void main()                                                                    \n"
 739                 "{                                                                                              \n";
 740 }
 741
 742 const char* CommonDescriptorInstance::getShaderEpilog                           (void)
 743 {
 744         return "}                                                                                       \n";
 745 }
 746
 747 int     CommonDescriptorInstance::constructShaderModules                                (void)
 748 {
 749         int                                                             result  = 0;
 750         tcu::TestLog&                                   log             = m_context.getTestContext().getLog();
 751
 752         if (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT)
 753         {
 754                 ++result;
 755                 const std::string name = ut::buildShaderName(VK_SHADER_STAGE_COMPUTE_BIT, m_testParams.descriptorType, m_testParams.updateAfterBind, m_testParams.calculateInLoop, m_testParams.minNonUniform, false);
 756                 m_computeModule = vk::createShaderModule(m_vki, m_vkd, m_context.getBinaryCollection().get(name), (VkShaderModuleCreateFlags)0);
 757         }
 758         if (m_testParams.stageFlags & VK_SHADER_STAGE_FRAGMENT_BIT)
 759         {
 760                 ++result;
 761                 const std::string name = ut::buildShaderName(VK_SHADER_STAGE_FRAGMENT_BIT, m_testParams.descriptorType, m_testParams.updateAfterBind, m_testParams.calculateInLoop, m_testParams.minNonUniform, m_testParams.allowVertexStoring);
 762                 m_fragmentModule = vk::createShaderModule(m_vki, m_vkd, m_context.getBinaryCollection().get(name), (VkShaderModuleCreateFlags)0);
 763                 log << tcu::TestLog::Message << "Finally used fragment shader: " << name << '\n' << tcu::TestLog::EndMessage;
 764         }
 765         if (m_testParams.stageFlags & VK_SHADER_STAGE_VERTEX_BIT)
 766         {
 767                 ++result;
 768                 const std::string name = ut::buildShaderName(VK_SHADER_STAGE_VERTEX_BIT, m_testParams.descriptorType, m_testParams.updateAfterBind, m_testParams.calculateInLoop, m_testParams.minNonUniform, m_testParams.allowVertexStoring);
 769                 m_vertexModule = vk::createShaderModule(m_vki, m_vkd, m_context.getBinaryCollection().get(name), (VkShaderModuleCreateFlags)0);
 770                 log << tcu::TestLog::Message << "Finally used vertex shader: " << name << '\n' << tcu::TestLog::EndMessage;
 771         }
 772
 773         DE_ASSERT(result > 0);
 774
 775         return result;
 776 }
 777
 778 Move<VkRenderPass> CommonDescriptorInstance::createRenderPass           (const IterateCommonVariables&                  variables)
 779 {
 780         DE_UNREF(variables);
 781         if ((m_testParams.stageFlags & VK_SHADER_STAGE_VERTEX_BIT) || (m_testParams.stageFlags & VK_SHADER_STAGE_FRAGMENT_BIT))
 782         {
 783                 // Use VK_ATTACHMENT_LOAD_OP_LOAD to make the utility function select initialLayout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
 784                 return vk::makeRenderPass(m_vki, m_vkd, m_colorFormat, VK_FORMAT_UNDEFINED, VK_ATTACHMENT_LOAD_OP_LOAD);
 785         }
 786         return Move<VkRenderPass>();
 787 }
 788
 789 VkPushConstantRange CommonDescriptorInstance::makePushConstantRange     (void) const
 790 {
 791         const VkPushConstantRange pcr =
 792         {
 793                 m_testParams.stageFlags,                                                        // stageFlags
 794                 0u,                                                                                                     // offset
 795                 static_cast<deUint32>(sizeof(push_constant))            // size
 796         };
 797         return pcr;
 798 }
 799
 800 Move<VkPipelineLayout> CommonDescriptorInstance::createPipelineLayout (const std::vector<VkDescriptorSetLayout>&        descriptorSetLayouts) const
 801 {
 802         const VkPushConstantRange pcr = makePushConstantRange();
 803
 804         const VkPipelineLayoutCreateInfo createInfo =
 805         {
 806                 VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,          // sType
 807                 DE_NULL,                                                                                        // pNext
 808                 (VkPipelineLayoutCreateFlags)0,                                         // flags
 809                 static_cast<deUint32>(descriptorSetLayouts.size()),     // setLayoutCount
 810                 descriptorSetLayouts.data(),                                            // pSetLayouts;
 811                 m_testParams.calculateInLoop ? 1u : 0u,                         // pushConstantRangeCount
 812                 m_testParams.calculateInLoop ? &pcr : DE_NULL,          // pPushConstantRanges
 813         };
 814
 815         return vk::createPipelineLayout(m_vki, m_vkd, &createInfo);
 816 }
 817
 818 void CommonDescriptorInstance::createFramebuffer                                        (ut::FrameBufferSp&                                                     frameBuffer,
 819                                                                                                                                          VkRenderPass                                                           renderPass,
 820                                                                                                                                          const IterateCommonVariables&                          variables)
 821 {
 822         DE_UNREF(variables);
 823         ut::createFrameBuffer(frameBuffer, m_context, m_testParams.frameResolution, m_colorFormat, renderPass);
 824 }
 825
 826 Move<VkPipeline> CommonDescriptorInstance::createPipeline                       (VkPipelineLayout                                                       pipelineLayout,
 827                                                                                                                                          VkRenderPass                                                           renderPass)
 828 {       DE_ASSERT(VK_SHADER_STAGE_ALL != m_testParams.stageFlags);
 829
 830         constructShaderModules();
 831
 832         return (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT)
 833                 ? createComputePipeline(pipelineLayout)
 834                 : createGraphicsPipeline(pipelineLayout, renderPass);
 835 }
 836
 837 Move<VkPipeline> CommonDescriptorInstance::createComputePipeline        (VkPipelineLayout                                                       pipelineLayout)
 838 {
 839         const VkPipelineShaderStageCreateInfo   shaderStaegCreateInfo =
 840         {
 841                 VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
 842                 DE_NULL,                                                                // pNext
 843                 (VkPipelineShaderStageCreateFlags)0,    // flags
 844                 VK_SHADER_STAGE_COMPUTE_BIT,                    // stage
 845                 *m_computeModule,                                               // module
 846                 "main",                                                                 // pName
 847                 (VkSpecializationInfo*)DE_NULL                  // pSpecializationInfo
 848         };
 849
 850         const VkComputePipelineCreateInfo               pipelineCreateInfo =
 851         {
 852                 VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
 853                 DE_NULL,                                                                // pNext
 854                 0u,                                                                             // flags
 855                 shaderStaegCreateInfo,                                  // stage
 856                 pipelineLayout,                                                 // layout
 857                 (VkPipeline)0,                                                  // basePipelineHandle
 858                 0u,                                                                             // basePipelineIndex
 859         };
 860         return vk::createComputePipeline(m_vki, m_vkd, (VkPipelineCache)0u, &pipelineCreateInfo);
 861 }
 862
 863 Move<VkPipeline> CommonDescriptorInstance::createGraphicsPipeline       (VkPipelineLayout                                                       pipelineLayout,
 864                                                                                                                                          VkRenderPass                                                           renderPass)
 865 {
 866         const VkVertexInputBindingDescription                   bindingDescriptions[] =
 867         {
 868                 {
 869                         0u,                                                                                                     // binding
 870                         sizeof(attributes),                                                                     // stride
 871                         VK_VERTEX_INPUT_RATE_VERTEX,                                            // inputRate
 872                 },
 873         };
 874
 875         const VkVertexInputAttributeDescription                 attributeDescriptions[] =
 876         {
 877                 {
 878                         0u,                                                                                                     // location
 879                         0u,                                                                                                     // binding
 880                         ut::mapType2vkFormat<attributes::vec4>::value,          // format
 881                         0u                                                                                                      // offset
 882                 },                                                                                                              // @in_position
 883                 {
 884                         1u,                                                                                                     // location
 885                         0u,                                                                                                     // binding
 886                         ut::mapType2vkFormat<attributes::vec2>::value,          // format
 887                         static_cast<deUint32>(sizeof(attributes::vec4))         // offset
 888                 },                                                                                                              // @normalpos
 889                 {
 890                         2u,                                                                                                     // location
 891                         0u,                                                                                                     // binding
 892                         ut::mapType2vkFormat<attributes::ivec4>::value,         // format
 893                         static_cast<deUint32>(sizeof(attributes::vec2)
 894                                                                 + sizeof(attributes::vec4))             // offset
 895                 },                                                                                                              // @index
 896         };
 897
 898         const VkPipelineVertexInputStateCreateInfo              vertexInputStateCreateInfo      =
 899         {
 900                 VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,
 901                 DE_NULL,
 902                 (VkPipelineVertexInputStateCreateFlags)0,       // flags
 903                 DE_LENGTH_OF_ARRAY(bindingDescriptions),        // vertexBindingDescriptionCount
 904                 bindingDescriptions,                                            // pVertexBindingDescriptions
 905                 DE_LENGTH_OF_ARRAY(attributeDescriptions),      // vertexAttributeDescriptionCount
 906                 attributeDescriptions                                           // pVertexAttributeDescriptions
 907         };
 908
 909         const   VkDynamicState                                                  dynamicStates[]                         =
 910         {
 911                 VK_DYNAMIC_STATE_SCISSOR
 912         };
 913
 914         const VkPipelineDynamicStateCreateInfo                  dynamicStateCreateInfo =
 915         {
 916                 VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO,  // sType
 917                 DE_NULL,                                                                                           // pNext
 918                 0u,                                                                                                        // flags
 919                 DE_LENGTH_OF_ARRAY(dynamicStates),                                         // dynamicStateCount
 920                 dynamicStates                                                                              // pDynamicStates
 921         };
 922
 923         const std::vector<VkViewport>   viewports       (1, makeViewport(m_testParams.frameResolution.width, m_testParams.frameResolution.height));
 924         const std::vector<VkRect2D>             scissors        (1, makeRect2D(0u, 0u));
 925
 926         DE_ASSERT(m_vertexModule && m_fragmentModule);
 927
 928         return vk::makeGraphicsPipeline(
 929                 m_vki,                                                                                  // vk
 930                 m_vkd,                                                                                  // device
 931                 pipelineLayout,                                                                 // pipelineLayout
 932                 *m_vertexModule,                                                                // vertexShaderModule
 933                 DE_NULL,                                                                                // tessellationControlModule
 934                 DE_NULL,                                                                                // tessellationEvalModule
 935                 DE_NULL,                                                                                // geometryShaderModule
 936                 *m_fragmentModule,                                                              // fragmentShaderModule
 937                 renderPass,                                                                             // renderPass
 938                 viewports,                                                                              // viewports
 939                 scissors,                                                                               // scissors
 940                 VK_PRIMITIVE_TOPOLOGY_POINT_LIST,                               // topology
 941                 0U,                                                                                             // subpass
 942                 0U,                                                                                             // patchControlPoints
 943                 &vertexInputStateCreateInfo,                                    // vertexInputStateCreateInfo
 944                 nullptr,                                                                                // rasterizationStateCreateInfo
 945                 nullptr,                                                                                // multisampleStateCreateInfo
 946                 nullptr,                                                                                // depthStencilStateCreateInfo
 947                 nullptr,                                                                                // colorBlendStateCreateInfo
 948                 &dynamicStateCreateInfo);                                               // dynamicStateCreateInfo
 949 }
 950
 951 VkDeviceSize CommonDescriptorInstance::createBuffers                            (std::vector<VkDescriptorBufferInfo>&           bufferInfos,
 952                                                                                                                                          ut::BufferHandleAllocSp&                                       buffer,
 953                                                                                                                                          deUint32                                                                       elementCount,
 954                                                                                                                                          deUint32                                                                       elementSize,
 955                                                                                                                                          VkDeviceSize                                                           alignment,
 956                                                                                                                                          VkBufferUsageFlags                                                     bufferUsage)
 957 {
 958         const VkDeviceSize      roundedSize = deAlign64(elementSize, alignment);
 959         VkDeviceSize            bufferSize      = ut::createBufferAndBind(buffer, m_context, bufferUsage, (roundedSize * elementCount));
 960
 961         for (deUint32 elementIdx = 0; elementIdx < elementCount; ++elementIdx)
 962         {
 963                 const VkDescriptorBufferInfo bufferInfo =
 964                 {
 965                         *buffer.get()->buffer,          //buffer;
 966                         elementIdx * roundedSize,       //offset;
 967                         elementSize,                            // range;
 968
 969                 };
 970                 bufferInfos.push_back(bufferInfo);
 971         }
 972
 973         return bufferSize;
 974 }
 975
 976 VkDeviceSize CommonDescriptorInstance::createImages                                     (std::vector<ut::ImageHandleAllocSp>&           images,
 977                                                                                                                                          std::vector<VkDescriptorBufferInfo>&           bufferInfos,
 978                                                                                                                                          ut::BufferHandleAllocSp&                                       buffer,
 979                                                                                                                                          VkBufferUsageFlags                                                     bufferUsage,
 980                                                                                                                                          const VkExtent3D&                                                      imageExtent,
 981                                                                                                                                          VkFormat                                                                       imageFormat,
 982                                                                                                                                          VkImageLayout                                                          imageLayout,
 983                                                                                                                                          deUint32                                                                       imageCount,
 984                                                                                                                                          bool                                                                           withMipMaps)
 985
 986 {
 987         const deUint32          imageSize       = ut::computeImageSize(imageExtent, imageFormat, withMipMaps);
 988
 989         const VkDeviceSize      bufferSize      = createBuffers(bufferInfos, buffer, imageCount, imageSize, sizeof(tcu::Vec4), bufferUsage);
 990
 991         for (deUint32 imageIdx = 0; imageIdx < imageCount; ++imageIdx)
 992         {
 993                 ut::ImageHandleAllocSp image;
 994                 ut::createImageAndBind(image, m_context, imageFormat, imageExtent, imageLayout, withMipMaps);
 995                 images.push_back(image);
 996         }
 997
 998         return bufferSize;
 999 }
1000
1001 void CommonDescriptorInstance::createBuffersViews                                       (std::vector<ut::BufferViewSp>&                         views,
1002                                                                                                                                          const std::vector<VkDescriptorBufferInfo>&     bufferInfos,
1003                                                                                                                                          VkFormat                                                                       format)
1004 {
1005         const deUint32 infoCount = static_cast<deUint32>(bufferInfos.size());
1006         for (deUint32 infoIdx = 0; infoIdx < infoCount; ++infoIdx)
1007         {
1008                 const VkDescriptorBufferInfo&   bufferInfo = bufferInfos[infoIdx];
1009                 const VkBufferViewCreateInfo    bufferViewInfo =
1010                 {
1011                         VK_STRUCTURE_TYPE_BUFFER_VIEW_CREATE_INFO,      // sType
1012                         DE_NULL,                                                                        // pNext
1013                         (VkBufferViewCreateFlags)0,                                     // flags
1014                         bufferInfo.buffer,                                                      // buffer
1015                         format,                                                                         // format
1016                         bufferInfo.offset,                                                      // offset
1017                         bufferInfo.range                                                        // range;
1018                 };
1019                 views.push_back(ut::BufferViewSp(new Move<VkBufferView>(vk::createBufferView(m_vki, m_vkd, &bufferViewInfo))));
1020         }
1021 }
1022
1023 void CommonDescriptorInstance::createImagesViews                                        (std::vector<ut::ImageViewSp>&                          views,
1024                                                                                                                                          const std::vector<ut::ImageHandleAllocSp>&     images,
1025                                                                                                                                          VkFormat                                                                       format)
1026 {
1027         const deUint32 imageCount = static_cast<deUint32>(images.size());
1028         for (deUint32 imageIdx = 0; imageIdx < imageCount; ++imageIdx)
1029         {
1030                 const VkImageViewCreateInfo createInfo =
1031                 {
1032                         VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,       // sType
1033                         DE_NULL,                                                                        // pNext
1034                         (VkImageViewCreateFlags)0,                                      // flags
1035                         *images[imageIdx]->image,                                       // image
1036                         VK_IMAGE_VIEW_TYPE_2D,                                          // viewType
1037                         format,                                                                         // format
1038                         vk::makeComponentMappingRGBA(),                         // components
1039                         {
1040                                 VK_IMAGE_ASPECT_COLOR_BIT,                              // aspectMask
1041                                 (deUint32)0,                                                    // baseMipLevel
1042                                 images[imageIdx]->levels,                               // mipLevels
1043                                 (deUint32)0,                                                    // baseArrayLayer
1044                                 (deUint32)1u,                                                   // arraySize
1045                         },
1046                 };
1047                 views.push_back(ut::ImageViewSp(new Move<VkImageView>(vk::createImageView(m_vki, m_vkd, &createInfo))));
1048         }
1049 }
1050
1051 void CommonDescriptorInstance::copyBuffersToImages                                      (IterateCommonVariables&                                        variables)
1052 {
1053         const deUint32 infoCount = static_cast<deUint32>(variables.descriptorsBufferInfos.size());
1054         DE_ASSERT(variables.descriptorsImages.size() == infoCount);
1055         const VkPipelineStageFlagBits dstStageMask = (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT)
1056                 ? VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT
1057                 : VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT;
1058         for (deUint32 infoIdx = 0; infoIdx < infoCount; ++infoIdx)
1059         {
1060                 ut::recordCopyBufferToImage(
1061                         *variables.commandBuffer,                                               // commandBuffer
1062                         m_vki,                                                                                  // interface
1063                         VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT,                              // srcStageMask
1064                         dstStageMask,                                                                   // dstStageMask
1065                         variables.descriptorsBufferInfos[infoIdx],              // bufferInfo
1066                         *(variables.descriptorsImages[infoIdx]->image), // image
1067                         variables.descriptorsImages[infoIdx]->extent,   // imageExtent
1068                         variables.descriptorsImages[infoIdx]->format,   // imageFormat
1069                         VK_IMAGE_LAYOUT_UNDEFINED,                                              // oldImageLayout
1070                         VK_IMAGE_LAYOUT_GENERAL,                                                // newImageLayout
1071                         variables.descriptorsImages[infoIdx]->levels);  // mipLevelCount
1072         }
1073 }
1074
1075 void CommonDescriptorInstance::copyImagesToBuffers                                      (IterateCommonVariables&                                        variables)
1076 {
1077         const deUint32 infoCount = static_cast<deUint32>(variables.descriptorsBufferInfos.size());
1078         DE_ASSERT(variables.descriptorsImages.size() == infoCount);
1079         const VkPipelineStageFlagBits srcStageMask = (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT)
1080                 ? VK_PIPELINE_STAGE_COMPUTE_SHADER_BIT
1081                 : VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
1082
1083         for (deUint32 infoIdx = 0; infoIdx < infoCount; ++infoIdx)
1084         {
1085                 ut::recordCopyImageToBuffer(
1086                         *variables.commandBuffer,                                               // commandBuffer
1087                         m_vki,                                                                                  // interface
1088                         srcStageMask,                                                                   // srcStageMask
1089                         VK_PIPELINE_STAGE_HOST_BIT,                                             // dstStageMask
1090                         *(variables.descriptorsImages[infoIdx]->image), // image
1091                         variables.descriptorsImages[infoIdx]->extent,   // imageExtent
1092                         variables.descriptorsImages[infoIdx]->format,   // imageFormat
1093                         VK_IMAGE_LAYOUT_GENERAL,                                                // oldImageLayout
1094                         VK_IMAGE_LAYOUT_GENERAL,                                                // newImageLayout
1095                         variables.descriptorsBufferInfos[infoIdx]);             // bufferInfo
1096         }
1097 }
1098
1099 PixelBufferAccess CommonDescriptorInstance::getPixelAccess                      (deUint32                                                                       imageIndex,
1100                                                                                                                                          const VkExtent3D&                                                      imageExtent,
1101                                                                                                                                          VkFormat                                                                       imageFormat,
1102                                                                                                                                          const std::vector<VkDescriptorBufferInfo>&     bufferInfos,
1103                                                                                                                                          const ut::BufferHandleAllocSp&                         buffer,
1104                                                                                                                                          deUint32                                                                       mipLevel) const
1105 {
1106         DE_ASSERT(bufferInfos[imageIndex].buffer == *buffer.get()->buffer);
1107         DE_ASSERT(ut::computeImageSize(imageExtent, imageFormat, true, (mipLevel ? ut::maxDeUint32 : 0)) <= bufferInfos[imageIndex].range);
1108         DE_ASSERT(imageExtent.width             >> mipLevel);
1109         DE_ASSERT(imageExtent.height    >> mipLevel);
1110
1111         deUint32 mipOffset = 0;
1112
1113         for (deUint32 level = 0; mipLevel && level < mipLevel; ++level)
1114         {
1115                 mipOffset += ut::computeImageSize(imageExtent, imageFormat, true, level);
1116         }
1117
1118         unsigned char* hostPtr  = static_cast<unsigned char*>(buffer->alloc->getHostPtr());
1119         unsigned char* data = hostPtr + bufferInfos[imageIndex].offset + mipOffset;
1120         return tcu::PixelBufferAccess(vk::mapVkFormat(imageFormat), (imageExtent.width >> mipLevel), (imageExtent.height >> mipLevel), imageExtent.depth, data);
1121 }
1122
1123 void CommonDescriptorInstance::updateDescriptors                                        (IterateCommonVariables&                                        variables)
1124 {
1125         const std::vector<deUint32>     primes = ut::generatePrimes(variables.availableDescriptorCount);
1126         const deUint32                          primeCount = static_cast<deUint32>(primes.size());
1127
1128         for (deUint32 primeIdx = 0; primeIdx < primeCount; ++primeIdx)
1129         {
1130                 const VkDescriptorBufferInfo*   pBufferInfo                     = DE_NULL;
1131                 const VkDescriptorImageInfo*    pImageInfo                      = DE_NULL;
1132                 const VkBufferView*                             pTexelBufferView        = DE_NULL;
1133
1134                 VkDescriptorImageInfo           imageInfo =
1135                 {
1136                         static_cast<VkSampler>(0),
1137                         static_cast<VkImageView>(0),
1138                         VK_IMAGE_LAYOUT_GENERAL
1139                 };
1140
1141                 switch (m_testParams.descriptorType)
1142                 {
1143                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
1144                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
1145                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
1146                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
1147                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
1148                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
1149                         {
1150                                 pBufferInfo = &variables.descriptorsBufferInfos[primeIdx];
1151                                 switch (m_testParams.descriptorType)
1152                                 {
1153                                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
1154                                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
1155                                         pTexelBufferView = &(**variables.descriptorsBufferViews[primeIdx]);
1156                                         break;
1157                                 default:
1158                                         break;
1159                                 }
1160                         }
1161                         break;
1162
1163                 case VK_DESCRIPTOR_TYPE_SAMPLER:
1164                         imageInfo.sampler = **variables.descriptorSamplers[primeIdx];
1165                         pImageInfo = &imageInfo;
1166                         break;
1167
1168                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
1169                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
1170                 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
1171                         imageInfo.imageView = **variables.descriptorImageViews[primeIdx];
1172                         pImageInfo = &imageInfo;
1173                         break;
1174
1175                 default:        break;
1176                 }
1177
1178                 const VkWriteDescriptorSet writeInfo =
1179                 {
1180                         VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                 // sType
1181                         DE_NULL,                                                                                // pNext
1182                         *variables.descriptorSet,                                               // descriptorSet
1183                         m_testParams.descriptorBinding,                                 // descriptorBinding;
1184                         primes[primeIdx],                                                               // elementIndex
1185                         1u,                                                                                             // descriptorCount
1186                         m_testParams.descriptorType,                                    // descriptorType
1187                         pImageInfo,                                                                             // pImageInfo
1188                         pBufferInfo,                                                                    // pBufferInfo
1189                         pTexelBufferView                                                                // pTexelBufferView
1190                 };
1191
1192                 m_vki.updateDescriptorSets(m_vkd, 1u, &writeInfo, 0u, DE_NULL);
1193         }
1194 }
1195
1196 void CommonDescriptorInstance::iterateCommandSetup                                      (IterateCommonVariables&                                        variables)
1197 {
1198         variables.dataAlignment                         = 0;
1199
1200         variables.renderArea.offset.x           = 0;
1201         variables.renderArea.offset.y           = 0;
1202         variables.renderArea.extent.width       = m_testParams.frameResolution.width;
1203         variables.renderArea.extent.height      = m_testParams.frameResolution.height;
1204
1205         variables.vertexCount                           = m_testParams.frameResolution.width * m_testParams.frameResolution.height;
1206
1207         variables.lowerBound                            = 0;
1208         variables.upperBound                            = variables.vertexCount;
1209
1210         variables.descriptorSetLayout           = createDescriptorSetLayout(m_testParams.calculateInLoop, variables.availableDescriptorCount);
1211         variables.validDescriptorCount          = ut::computePrimeCount(variables.availableDescriptorCount);
1212         variables.descriptorPool                        = createDescriptorPool(variables.availableDescriptorCount);
1213         variables.descriptorSet                         = createDescriptorSet(*variables.descriptorPool, *variables.descriptorSetLayout);
1214
1215         std::vector<VkDescriptorSetLayout>      descriptorSetLayouts;
1216         descriptorSetLayouts.push_back(*variables.descriptorSetLayout);
1217         if (m_testParams.calculateInLoop)
1218         {
1219                 variables.descriptorEnumerator.init(m_context, variables.vertexCount, variables.availableDescriptorCount);
1220                 descriptorSetLayouts.push_back(*variables.descriptorEnumerator.descriptorSetLayout);
1221         }
1222
1223         variables.pipelineLayout                        = createPipelineLayout(descriptorSetLayouts);
1224
1225         createAndPopulateDescriptors            (variables);
1226
1227         variables.renderPass                            = createRenderPass(variables);
1228         variables.pipeline                                      = createPipeline(*variables.pipelineLayout, *variables.renderPass);
1229
1230         variables.commandBuffer                         = createCmdBuffer();
1231
1232         if ((m_testParams.stageFlags & VK_SHADER_STAGE_VERTEX_BIT) || (m_testParams.stageFlags & VK_SHADER_STAGE_FRAGMENT_BIT))
1233         {
1234                 createVertexAttributeBuffer             (variables.vertexAttributesBuffer, variables.availableDescriptorCount);
1235                 createFramebuffer                               (variables.frameBuffer, *variables.renderPass, variables);
1236         }
1237
1238         if (m_testParams.calculateInLoop)
1239         {
1240                 variables.descriptorEnumerator.update(m_context);
1241         }
1242
1243         if (!m_testParams.updateAfterBind)
1244         {
1245                 updateDescriptors                               (variables);
1246         }
1247
1248 }
1249
1250 void CommonDescriptorInstance::iterateCommandBegin                                      (IterateCommonVariables&                                        variables,      bool firstPass)
1251 {
1252         vk::beginCommandBuffer                          (m_vki, *variables.commandBuffer);
1253
1254         // Clear color attachment, and transition it to VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL
1255         if ((m_testParams.stageFlags & VK_SHADER_STAGE_VERTEX_BIT) || (m_testParams.stageFlags & VK_SHADER_STAGE_FRAGMENT_BIT))
1256         {
1257                 if (firstPass)
1258                 {
1259                         const VkImageMemoryBarrier preImageBarrier =
1260                         {
1261                                 VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,                         // VkStructureType              sType
1262                                 DE_NULL,                                                                                        // const void*                  pNext
1263                                 0u,                                                                                                     // VkAccessFlags                srcAccessMask
1264                                 VK_ACCESS_TRANSFER_WRITE_BIT,                                           // VkAccessFlags                dstAccessMask
1265                                 VK_IMAGE_LAYOUT_UNDEFINED,                                                      // VkImageLayout                oldLayout
1266                                 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,                           // VkImageLayout                newLayout
1267                                 VK_QUEUE_FAMILY_IGNORED,                                                        // uint32_t                             srcQueueFamilyIndex
1268                                 VK_QUEUE_FAMILY_IGNORED,                                                        // uint32_t                             dstQueueFamilyIndex
1269                                 *variables.frameBuffer->image->image,                           // VkImage                              image
1270                                 {
1271                                         VK_IMAGE_ASPECT_COLOR_BIT,                              // VkImageAspectFlags   aspectMask
1272                                         0u,                                                                             // uint32_t                             baseMipLevel
1273                                         VK_REMAINING_MIP_LEVELS,                                // uint32_t                             mipLevels,
1274                                         0u,                                                                             // uint32_t                             baseArray
1275                                         VK_REMAINING_ARRAY_LAYERS,                              // uint32_t                             arraySize
1276                                 }
1277                         };
1278
1279                         m_vki.cmdPipelineBarrier(*variables.commandBuffer, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,
1280                                                                         (VkDependencyFlags)0,
1281                                                                         0, (const VkMemoryBarrier*)DE_NULL,
1282                                                                         0, (const VkBufferMemoryBarrier*)DE_NULL,
1283                                                                         1, &preImageBarrier);
1284
1285                         const VkClearColorValue clearColorValue         = makeClearValueColor(m_clearColor).color;
1286
1287                         m_vki.cmdClearColorImage(*variables.commandBuffer, *variables.frameBuffer->image->image, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, &clearColorValue, 1, &preImageBarrier.subresourceRange);
1288
1289                         const VkImageMemoryBarrier postImageBarrier =
1290                         {
1291                                 VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,                         // VkStructureType              sType
1292                                 DE_NULL,                                                                                        // const void*                  pNext
1293                                 VK_ACCESS_TRANSFER_WRITE_BIT,                                           // VkAccessFlags                srcAccessMask
1294                                 VK_ACCESS_COLOR_ATTACHMENT_READ_BIT | VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags            dstAccessMask
1295                                 VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,                           // VkImageLayout                oldLayout
1296                                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                       // VkImageLayout                newLayout
1297                                 VK_QUEUE_FAMILY_IGNORED,                                                        // uint32_t                             srcQueueFamilyIndex
1298                                 VK_QUEUE_FAMILY_IGNORED,                                                        // uint32_t                             dstQueueFamilyIndex
1299                                 *variables.frameBuffer->image->image,                           // VkImage                              image
1300                                 {
1301                                         VK_IMAGE_ASPECT_COLOR_BIT,                              // VkImageAspectFlags   aspectMask
1302                                         0u,                                                                             // uint32_t                             baseMipLevel
1303                                         VK_REMAINING_MIP_LEVELS,                                // uint32_t                             mipLevels,
1304                                         0u,                                                                             // uint32_t                             baseArray
1305                                         VK_REMAINING_ARRAY_LAYERS,                              // uint32_t                             arraySize
1306                                 }
1307                         };
1308
1309                         m_vki.cmdPipelineBarrier(*variables.commandBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
1310                                                                         (VkDependencyFlags)0,
1311                                                                         0, (const VkMemoryBarrier*)DE_NULL,
1312                                                                         0, (const VkBufferMemoryBarrier*)DE_NULL,
1313                                                                         1, &postImageBarrier);
1314
1315                 }
1316         }
1317
1318         if (m_testParams.calculateInLoop)
1319         {
1320                 deRandom rnd;
1321                 deRandom_init(&rnd, static_cast<deUint32>(m_testParams.descriptorType));
1322                 const deUint32 quarter = variables.vertexCount / 4;
1323
1324                 variables.lowerBound                    = deRandom_getUint32(&rnd) % quarter;
1325                 variables.upperBound                    = (deRandom_getUint32(&rnd) % quarter) + (3 * quarter);
1326
1327                 const push_constant pc =
1328                 {
1329                         static_cast<deInt32>(variables.lowerBound),
1330                         static_cast<deInt32>(variables.upperBound)
1331                 };
1332
1333                 m_vki.cmdPushConstants(*variables.commandBuffer, *variables.pipelineLayout, m_testParams.stageFlags, 0u, static_cast<deUint32>(sizeof(pc)), &pc);
1334         }
1335
1336         if ((m_testParams.stageFlags & VK_SHADER_STAGE_VERTEX_BIT) || (m_testParams.stageFlags & VK_SHADER_STAGE_FRAGMENT_BIT))
1337         {
1338                 commandBindVertexAttributes             (*variables.commandBuffer, variables.vertexAttributesBuffer);
1339         }
1340
1341         if (m_testParams.calculateInLoop)
1342         {
1343                 commandBindDescriptorSets(*variables.commandBuffer, *variables.pipelineLayout, *variables.descriptorEnumerator.descriptorSet, 1);
1344         }
1345
1346         if (!ut::isDynamicDescriptor(m_testParams.descriptorType))
1347         {
1348                 commandBindDescriptorSets               (*variables.commandBuffer, *variables.pipelineLayout, *variables.descriptorSet, 0);
1349         }
1350
1351         commandBindPipeline                                     (*variables.commandBuffer, *variables.pipeline);
1352 }
1353
1354 tcu::TestStatus CommonDescriptorInstance::iterate                                       (void)
1355 {
1356         IterateCommonVariables  v;
1357         ut::UpdatablePixelBufferAccessPtr       programResult;
1358         ut::UpdatablePixelBufferAccessPtr       referenceResult;
1359
1360         bool firstPass = true;
1361
1362         iterateCommandSetup             (v);
1363
1364         v.renderArea.extent.width       = m_testParams.frameResolution.width/4;
1365         v.renderArea.extent.height      = m_testParams.frameResolution.height/4;
1366
1367         for (int x = 0; x < 4; x++)
1368                 for (int y= 0; y < 4; y++)
1369                 {
1370                         iterateCommandBegin             (v, firstPass);
1371
1372                         if (true == firstPass && true == m_testParams.copyBuffersToImages)
1373                         {
1374                                 copyBuffersToImages     (v);
1375                         }
1376
1377                         firstPass = false;
1378
1379                         if (true == m_testParams.updateAfterBind)
1380                         {
1381                                 updateDescriptors       (v);
1382                         }
1383
1384                         v.renderArea.offset.x           = x * m_testParams.frameResolution.width/4;
1385                         v.renderArea.offset.y           = y * m_testParams.frameResolution.height/4;
1386
1387                         vk::VkRect2D scissor = makeRect2D(v.renderArea.offset.x, v.renderArea.offset.y, v.renderArea.extent.width, v.renderArea.extent.height);
1388                         m_vki.cmdSetScissor(*v.commandBuffer, 0u, 1u, &scissor);
1389
1390                         vk::beginRenderPass             (m_vki, *v.commandBuffer, *v.renderPass, *v.frameBuffer->buffer, v.renderArea, m_clearColor);
1391                         m_vki.cmdDraw                   (*v.commandBuffer, v.vertexCount, 1u, 0u, 0u);
1392                         vk::endRenderPass               (m_vki, *v.commandBuffer);
1393
1394                         iterateCommandEnd(v, programResult, referenceResult);
1395                         programResult->invalidate();
1396                 }
1397
1398         return ( iterateVerifyResults(v, programResult, referenceResult) ? tcu::TestStatus::pass : tcu::TestStatus::fail)("");
1399 }
1400
1401 std::vector<float> CommonDescriptorInstance::createColorScheme          (void)
1402 {
1403         std::vector<float> cs;
1404         int divider = 2;
1405         for (int i = 0; i < 10; ++i)
1406         {
1407                 cs.push_back(1.0f / float(divider));
1408                 divider *= 2;
1409         }
1410         return cs;
1411 }
1412
1413 void CommonDescriptorInstance::iterateCommandEnd                                        (IterateCommonVariables&                                        variables,
1414                                                                                                                                          ut::UpdatablePixelBufferAccessPtr&     programResult,
1415                                                                                                                                          ut::UpdatablePixelBufferAccessPtr&     referenceResult,
1416                                                                                                                                          bool                                                                           collectBeforeSubmit)
1417 {
1418         if (collectBeforeSubmit)
1419         {
1420                 iterateCollectResults(programResult, variables, true);
1421                 iterateCollectResults(referenceResult, variables, false);
1422         }
1423
1424         VK_CHECK(m_vki.endCommandBuffer(*variables.commandBuffer));
1425         Move<VkFence> fence = commandSubmit(*variables.commandBuffer);
1426         m_vki.waitForFences(m_vkd, 1, &(*fence), DE_TRUE, ~0ull);
1427
1428         if (false == collectBeforeSubmit)
1429         {
1430                 iterateCollectResults(programResult, variables, true);
1431                 iterateCollectResults(referenceResult, variables, false);
1432         }
1433 }
1434
1435 bool CommonDescriptorInstance::iterateVerifyResults                     (IterateCommonVariables&                                        variables,
1436                                                                                                                                          ut::UpdatablePixelBufferAccessPtr      programResult,
1437                                                                                                                                          ut::UpdatablePixelBufferAccessPtr      referenceResult)
1438 {
1439         bool result = false;
1440         if (m_testParams.fuzzyComparison)
1441         {
1442                 result = tcu::fuzzyCompare(m_context.getTestContext().getLog(),
1443                         "Fuzzy Compare", "Comparison result", *referenceResult.get(), *programResult.get(), 0.02f, tcu::COMPARE_LOG_EVERYTHING);
1444         }
1445         else
1446         {
1447                 result = tcu::floatThresholdCompare(m_context.getTestContext().getLog(),
1448                         "Float Threshold Compare", "Comparison result", *referenceResult.get(), *programResult.get(), tcu::Vec4(0.02f, 0.02f, 0.02f, 0.02f), tcu::COMPARE_LOG_EVERYTHING);
1449         }
1450
1451         if (m_testParams.allowVertexStoring)
1452         {
1453                 result = verifyVertexWriteResults(variables);
1454         }
1455
1456         return result;
1457 }
1458
1459 void CommonDescriptorInstance::iterateCollectResults                            (ut::UpdatablePixelBufferAccessPtr&                     result,
1460                                                                                                                                          const IterateCommonVariables&                          variables,
1461                                                                                                                                          bool                                                                           fromTest)
1462 {
1463         if (fromTest)
1464         {
1465                 result = commandReadFrameBuffer(*variables.commandBuffer, variables.frameBuffer);
1466         }
1467         else
1468         {
1469                 result = ut::UpdatablePixelBufferAccessPtr(new ut::PixelBufferAccessAllocation(vk::mapVkFormat(m_colorFormat), m_testParams.frameResolution));
1470
1471                 for (deUint32 y = 0, pixelNum = 0; y < m_testParams.frameResolution.height; ++y)
1472                 {
1473                         for (deUint32 x = 0; x < m_testParams.frameResolution.width; ++x, ++pixelNum)
1474                         {
1475                                 const float component = m_colorScheme[(pixelNum % variables.validDescriptorCount) % m_schemeSize];
1476                                 result->setPixel(tcu::Vec4(component, component, component, 1.0f), x, y);
1477                         }
1478                 }
1479         }
1480 }
1481
1482 Move<VkCommandBuffer> CommonDescriptorInstance::createCmdBuffer         (void)
1483 {
1484         return vk::allocateCommandBuffer(m_vki, m_vkd, *m_commandPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY);
1485 }
1486
1487 Move<VkFence> CommonDescriptorInstance::commandSubmit                           (VkCommandBuffer                                                        cmd)
1488 {
1489         Move<VkFence>   fence(vk::createFence(m_vki, m_vkd));
1490
1491         const VkSubmitInfo      submitInfo =
1492         {
1493                 VK_STRUCTURE_TYPE_SUBMIT_INFO,                                          // sType
1494                 DE_NULL,                                                                                        // pNext
1495                 0u,                                                                                                     // waitSemaphoreCount
1496                 static_cast<VkSemaphore*>(DE_NULL),                                     // pWaitSemaphores
1497                 static_cast<const VkPipelineStageFlags*>(DE_NULL),      // pWaitDstStageMask
1498                 1u,                                                                                                     // commandBufferCount
1499                 &cmd,                                                                                           // pCommandBuffers
1500                 0u,                                                                                                     // signalSemaphoreCount
1501                 static_cast<VkSemaphore*>(DE_NULL)                                      // pSignalSemaphores
1502         };
1503
1504         VK_CHECK(m_vki.queueSubmit(m_queue, 1u, &submitInfo, *fence));
1505
1506         return fence;
1507 }
1508
1509 bool CommonDescriptorInstance::verifyVertexWriteResults(IterateCommonVariables&                                 variables)
1510 {
1511         DE_UNREF(variables);
1512         return true;
1513 }
1514
1515 void CommonDescriptorInstance::commandBindPipeline                                      (VkCommandBuffer                                                        commandBuffer,
1516                                                                                                                                          VkPipeline                                                                     pipeline)
1517 {
1518         const VkPipelineBindPoint pipelineBindingPoint = (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT) ? VK_PIPELINE_BIND_POINT_COMPUTE : VK_PIPELINE_BIND_POINT_GRAPHICS;
1519         m_vki.cmdBindPipeline(commandBuffer, pipelineBindingPoint, pipeline);
1520 }
1521
1522 void CommonDescriptorInstance::commandBindVertexAttributes                      (VkCommandBuffer                                                        commandBuffer,
1523                                                                                                                                          const ut::BufferHandleAllocSp&                         vertexAttributesBuffer)
1524 {
1525         const VkDeviceSize      offsets[] = { 0u };
1526         const VkBuffer          buffers[] = { *vertexAttributesBuffer->buffer };
1527         m_vki.cmdBindVertexBuffers(commandBuffer, 0u, 1u, buffers, offsets);
1528 }
1529
1530 void CommonDescriptorInstance::commandBindDescriptorSets                        (VkCommandBuffer                                                        commandBuffer,
1531                                                                                                                                          VkPipelineLayout                                                       pipelineLayout,
1532                                                                                                                                          VkDescriptorSet                                                        descriptorSet,
1533                                                                                                                                          deUint32                                                                       descriptorSetIndex)
1534 {
1535         const VkPipelineBindPoint pipelineBindingPoint = (m_testParams.stageFlags & VK_SHADER_STAGE_COMPUTE_BIT) ? VK_PIPELINE_BIND_POINT_COMPUTE : VK_PIPELINE_BIND_POINT_GRAPHICS;
1536         m_vki.cmdBindDescriptorSets(commandBuffer, pipelineBindingPoint, pipelineLayout, descriptorSetIndex, 1u, &descriptorSet, 0u, static_cast<deUint32*>(DE_NULL));
1537 }
1538
1539 ut::UpdatablePixelBufferAccessPtr
1540 CommonDescriptorInstance::commandReadFrameBuffer                                        (VkCommandBuffer                                                        commandBuffer,
1541                                                                                                                                          const ut::FrameBufferSp&                                       frameBuffer)
1542 {
1543         ut::BufferHandleAllocSp frameBufferContent;
1544         commandReadFrameBuffer(frameBufferContent, commandBuffer, frameBuffer);
1545         return ut::UpdatablePixelBufferAccessPtr(new ut::PixelBufferAccessBuffer(
1546                 m_vkd, m_vki, vk::mapVkFormat(m_colorFormat), m_testParams.frameResolution,
1547                 de::SharedPtr< Move<VkBuffer> >(new Move<VkBuffer>(frameBufferContent->buffer)),
1548                 de::SharedPtr< de::MovePtr<Allocation> >(new de::MovePtr<Allocation>(frameBufferContent->alloc))));
1549 }
1550
1551 void CommonDescriptorInstance::commandReadFrameBuffer                           (ut::BufferHandleAllocSp&                                       content,
1552                                                                                                                                          VkCommandBuffer                                                        commandBuffer,
1553                                                                                                                                          const ut::FrameBufferSp&                                       frameBuffer)
1554 {
1555         Move<VkBuffer>                  buffer;
1556         de::MovePtr<Allocation> allocation;
1557
1558         const VkDeviceSize bufferSize = ut::computeImageSize(frameBuffer->image);
1559
1560         // create a buffer and an host allocation for it
1561         {
1562                 const VkBufferCreateInfo bufferCreateInfo =
1563                 {
1564                         VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           // sType
1565                         DE_NULL,                                                                        // pNext
1566                         0u,                                                                                     // flags
1567                         bufferSize,                                                                     // size
1568                         VK_BUFFER_USAGE_TRANSFER_DST_BIT,                       // usage
1569                         VK_SHARING_MODE_EXCLUSIVE,                                      // sharingMode
1570                         1u,                                                                                     // queueFamilyIndexCoun
1571                         &m_queueFamilyIndex                                                     // pQueueFamilyIndices
1572                 };
1573
1574                 buffer = vk::createBuffer(m_vki, m_vkd, &bufferCreateInfo);
1575                 const VkMemoryRequirements      memRequirements(vk::getBufferMemoryRequirements(m_vki, m_vkd, *buffer));
1576                 allocation = m_allocator.allocate(memRequirements, MemoryRequirement::HostVisible);
1577
1578                 VK_CHECK(m_vki.bindBufferMemory(m_vkd, *buffer, allocation->getMemory(), allocation->getOffset()));
1579         }
1580
1581         const VkImage& image = *frameBuffer->image->image;
1582
1583         VkImageSubresourceRange         subresourceRange =
1584         {
1585                 VK_IMAGE_ASPECT_COLOR_BIT,                                      // aspectMask
1586                 0u,                                                                                     // baseMipLevel
1587                 1u,                                                                                     // levelCount
1588                 0u,                                                                                     // baseArrayLayer
1589                 1u                                                                                      // layerCount
1590         };
1591
1592         const VkImageMemoryBarrier      barrierBefore =
1593         {
1594                 VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,         // sType;
1595                 DE_NULL,                                                                        // pNext;
1596                 VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,           // srcAccessMask;
1597                 VK_ACCESS_TRANSFER_READ_BIT,                            // dstAccessMask;
1598                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       // oldLayout
1599                 VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,           // newLayout;
1600                 VK_QUEUE_FAMILY_IGNORED,                                        // srcQueueFamilyIndex;
1601                 VK_QUEUE_FAMILY_IGNORED,                                        // dstQueueFamilyIndex;
1602                 image,                                                                          // image;
1603                 subresourceRange                                                        // subresourceRange;
1604         };
1605
1606         const VkBufferImageCopy         copyRegion =
1607         {
1608                 0u,                                                                                     // bufferOffset
1609                 frameBuffer->image->extent.width,                               // bufferRowLength
1610                 frameBuffer->image->extent.height,                      // bufferImageHeight
1611                 {                                                                                       // VkImageSubresourceLayers
1612                         VK_IMAGE_ASPECT_COLOR_BIT,                              // aspect
1613                         0u,                                                                             // mipLevel
1614                         0u,                                                                             // baseArrayLayer
1615                         1u,                                                                             // layerCount
1616                 },
1617                 { 0, 0, 0 },                                                            // imageOffset
1618                 frameBuffer->image->extent                                      // imageExtent
1619         };
1620
1621         const VkBufferMemoryBarrier     bufferBarrier =
1622         {
1623                 VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER,        // sType;
1624                 DE_NULL,                                                                        // pNext;
1625                 VK_ACCESS_TRANSFER_WRITE_BIT,                           // srcAccessMask;
1626                 VK_ACCESS_HOST_READ_BIT,                                        // dstAccessMask;
1627                 VK_QUEUE_FAMILY_IGNORED,                                        // srcQueueFamilyIndex;
1628                 VK_QUEUE_FAMILY_IGNORED,                                        // dstQueueFamilyIndex;
1629                 *buffer,                                                                        // buffer;
1630                 0u,                                                                                     // offset;
1631                 bufferSize                                                                      // size;
1632         };
1633
1634         const VkImageMemoryBarrier      barrierAfter =
1635         {
1636                 VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,                 // sType;
1637                 DE_NULL,                                                                                // pNext;
1638                 VK_ACCESS_TRANSFER_READ_BIT,                                    // srcAccessMask;
1639                 VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,                   // dstAccessMask;
1640                 VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,                   // oldLayout;
1641                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,               // newLayout;
1642                 VK_QUEUE_FAMILY_IGNORED,                                                // srcQueueFamilyIndex;
1643                 VK_QUEUE_FAMILY_IGNORED,                                                // dstQueueFamilyIndex;
1644                 image,                                                                                  // image
1645                 subresourceRange                                                                // subresourceRange
1646         };
1647
1648
1649         m_vki.cmdPipelineBarrier(commandBuffer,                                                                                         // commandBuffer
1650                 VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT,  // srcStageMask, dstStageMask
1651                 (VkDependencyFlags)0,                                                                                                                   // dependencyFlags
1652                 0u, DE_NULL,                                                                                                                                    // memoryBarrierCount, pMemoryBarriers
1653                 0u, DE_NULL,                                                                                                                                    // bufferBarrierCount, pBufferBarriers
1654                 1u, &barrierBefore);                                                                                                                            // imageBarrierCount, pImageBarriers
1655
1656         m_vki.cmdCopyImageToBuffer(commandBuffer, image, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *buffer, 1u, &copyRegion);
1657
1658         m_vki.cmdPipelineBarrier(commandBuffer,
1659                 VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT | VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
1660                 (VkDependencyFlags)0,
1661                 0u, DE_NULL,
1662                 1u, &bufferBarrier,
1663                 1u, &barrierAfter);
1664
1665         content = ut::BufferHandleAllocSp(new ut::BufferHandleAlloc(buffer, allocation));
1666 }
1667
1668 std::string CommonDescriptorInstance::getColorAccess                            (VkDescriptorType                                                       descriptorType,
1669                                                                                                                                          const char*                                                            indexVariableName,
1670                                                                                                                                          bool                                                                           usesMipMaps)
1671 {
1672         std::string text;
1673         std::map<std::string, std::string> vars;
1674         vars["INDEX"] = indexVariableName;
1675
1676         switch (descriptorType)
1677         {
1678         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
1679         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
1680                 text = "data[nonuniformEXT(${INDEX})].c";
1681                 break;
1682         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
1683         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
1684                 text = "data[nonuniformEXT(${INDEX})].cold";
1685                 break;
1686         case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
1687                 text = "subpassLoad(data[nonuniformEXT(${INDEX})]).rgba";
1688                 break;
1689         case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
1690                 text = "texelFetch(data[nonuniformEXT(${INDEX})], 0)";
1691                 break;
1692         case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
1693                 text = "imageLoad(data[nonuniformEXT(${INDEX})], 0)";
1694                 break;
1695         case VK_DESCRIPTOR_TYPE_SAMPLER:
1696                 text = usesMipMaps
1697                         ? "textureLod(nonuniformEXT(sampler2D(tex[0], data[${INDEX}])), normalpos, 1)"
1698                         : "texture(   nonuniformEXT(sampler2D(tex[0], data[${INDEX}])), normalpos   )";
1699                 break;
1700         case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
1701                 text = usesMipMaps
1702                         ? "textureLod( nonuniformEXT(sampler2D(data[${INDEX}], samp[0])), vec2(0,0), textureQueryLevels(nonuniformEXT(sampler2D(data[${INDEX}], samp[0])))-1)"
1703                         : "texture(    nonuniformEXT(sampler2D(data[${INDEX}], samp[0])), vec2(0,0)   )";
1704                 break;
1705         case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
1706                 text = usesMipMaps
1707                         ? "textureLod( data[nonuniformEXT(${INDEX})], uvec2(0,0), textureQueryLevels(data[nonuniformEXT(${INDEX})])-1)"
1708                         : "texture(    data[nonuniformEXT(${INDEX})], uvec2(0,0)   )";
1709                 break;
1710         default:
1711                 TCU_THROW(InternalError, "Not implemented descriptor type");
1712         }
1713
1714         return tcu::StringTemplate(text).specialize(vars);
1715 }
1716
1717 std::string CommonDescriptorInstance::getFragmentReturnSource           (const std::string&                                                     colorAccess)
1718 {
1719         return "  FragColor = " + colorAccess + ";\n";
1720 }
1721
1722 std::string CommonDescriptorInstance::getFragmentLoopSource                     (const std::string&                                                     colorAccess1,
1723                                                                                                                                          const std::string&                                                     colorAccess2)
1724 {
1725         std::map < std::string, std::string > vars;
1726         vars["COLOR_ACCESS_1"] = colorAccess1;
1727         vars["COLOR_ACCESS_2"] = colorAccess2;
1728
1729         const char* s =
1730                 "  vec4 sumClr1 = vec4(0,0,0,0);                \n"
1731                 "  vec4 sumClr2 = vec4(0,0,0,0);                \n"
1732                 "  for (int i = pc.lowerBound; i < pc.upperBound; ++i)  \n"
1733                 "  {\n"
1734                 "    int loopIdx = texelFetch(iter, i).x;                               \n"
1735                 "    sumClr1 += ${COLOR_ACCESS_2} + ${COLOR_ACCESS_1};  \n"
1736                 "    sumClr2 += ${COLOR_ACCESS_2};                                              \n"
1737                 "  }\n"
1738                 "  FragColor = vec4(((sumClr1 - sumClr2) / float(pc.upperBound - pc.lowerBound)).rgb, 1);       \n";
1739
1740         return tcu::StringTemplate(s).specialize(vars);
1741 }
1742
1743 bool CommonDescriptorInstance::performWritesInVertex                            (VkDescriptorType                                                       descriptorType)
1744 {
1745         bool result = false;
1746
1747         switch (descriptorType)
1748         {
1749         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
1750         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
1751         case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
1752                 result = true;
1753                 break;
1754         default:
1755                 result = false;
1756                 break;
1757         }
1758
1759         return result;
1760 }
1761
1762 bool CommonDescriptorInstance::performWritesInVertex                            (VkDescriptorType                                                       descriptorType,
1763                                                                                                                                         const Context&                                                          context)
1764 {
1765         bool result = false;
1766
1767         ut::DeviceProperties                    dp              (context);
1768         const VkPhysicalDeviceFeatures& feats   = dp.physicalDeviceFeatures();
1769
1770         if (feats.vertexPipelineStoresAndAtomics != DE_FALSE)
1771         {
1772                 result = CommonDescriptorInstance::performWritesInVertex(descriptorType);
1773         }
1774
1775         return result;
1776 }
1777
1778 std::string CommonDescriptorInstance::getShaderAsm                                      (VkShaderStageFlagBits                                          shaderType,
1779                                                                                                                                          const TestCaseParams&                                          testCaseParams,
1780                                                                                                                                          bool                                                                           allowVertexStoring)
1781 {
1782         std::stringstream       s;
1783         switch (shaderType)
1784         {
1785                 case VK_SHADER_STAGE_VERTEX_BIT:
1786                         switch (testCaseParams.descriptorType)
1787                         {
1788                                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
1789                                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
1790                                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
1791                                         s << "               OpCapability Shader\n";
1792                                         s << "               OpCapability SampledBuffer\n";
1793                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
1794                                         s << "               OpMemoryModel Logical GLSL450\n";
1795                                         s << "               OpEntryPoint Vertex %main \"main\" %_ %position %in_position %normalpos %in_normalpos %vIndex %gl_VertexIndex %rIndex %index %gIndex %bIndex %aIndex\n";
1796                                         s << "               OpSource GLSL 450\n";
1797                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
1798                                         s << "               OpSourceExtension \"GL_EXT_texture_buffer\"\n";
1799                                         s << "               OpName %main \"main\"\n";
1800                                         s << "               OpName %gl_PerVertex \"gl_PerVertex\"\n";
1801                                         s << "               OpMemberName %gl_PerVertex 0 \"gl_Position\"\n";
1802                                         s << "               OpMemberName %gl_PerVertex 1 \"gl_PointSize\"\n";
1803                                         s << "               OpMemberName %gl_PerVertex 2 \"gl_ClipDistance\"\n";
1804                                         s << "               OpMemberName %gl_PerVertex 3 \"gl_CullDistance\"\n";
1805                                         s << "               OpName %_ \"\"\n";
1806                                         s << "               OpName %position \"position\"\n";
1807                                         s << "               OpName %in_position \"in_position\"\n";
1808                                         s << "               OpName %normalpos \"normalpos\"\n";
1809                                         s << "               OpName %in_normalpos \"in_normalpos\"\n";
1810                                         s << "               OpName %vIndex \"vIndex\"\n";
1811                                         s << "               OpName %gl_VertexIndex \"gl_VertexIndex\"\n";
1812                                         s << "               OpName %rIndex \"rIndex\"\n";
1813                                         s << "               OpName %index \"index\"\n";
1814                                         s << "               OpName %gIndex \"gIndex\"\n";
1815                                         s << "               OpName %bIndex \"bIndex\"\n";
1816                                         s << "               OpName %aIndex \"aIndex\"\n";
1817                                         s << "               OpMemberDecorate %gl_PerVertex 0 BuiltIn Position\n";
1818                                         s << "               OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize\n";
1819                                         s << "               OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance\n";
1820                                         s << "               OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance\n";
1821                                         s << "               OpDecorate %gl_PerVertex Block\n";
1822                                         s << "               OpDecorate %position Location 0\n";
1823                                         s << "               OpDecorate %in_position Location 0\n";
1824                                         s << "               OpDecorate %normalpos Location 1\n";
1825                                         s << "               OpDecorate %in_normalpos Location 1\n";
1826                                         s << "               OpDecorate %vIndex Location 2\n";
1827                                         s << "               OpDecorate %gl_VertexIndex BuiltIn VertexIndex\n";
1828                                         s << "               OpDecorate %rIndex Location 3\n";
1829                                         s << "               OpDecorate %index Location 2\n";
1830                                         s << "               OpDecorate %gIndex Location 4\n";
1831                                         s << "               OpDecorate %bIndex Location 5\n";
1832                                         s << "               OpDecorate %aIndex Location 6\n";
1833                                         s << "       %void = OpTypeVoid\n";
1834                                         s << "          %3 = OpTypeFunction %void\n";
1835                                         s << "      %float = OpTypeFloat 32\n";
1836                                         s << "    %v4float = OpTypeVector %float 4\n";
1837                                         s << "       %uint = OpTypeInt 32 0\n";
1838                                         s << "     %uint_1 = OpConstant %uint 1\n";
1839                                         s << "%_arr_float_uint_1 = OpTypeArray %float %uint_1\n";
1840                                         s << "%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1\n";
1841                                         s << "%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex\n";
1842                                         s << "          %_ = OpVariable %_ptr_Output_gl_PerVertex Output\n";
1843                                         s << "        %int = OpTypeInt 32 1\n";
1844                                         s << "      %int_1 = OpConstant %int 1\n";
1845                                         s << "%float_0_200000003 = OpConstant %float 0.200000003\n";
1846                                         s << "%_ptr_Output_float = OpTypePointer Output %float\n";
1847                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
1848                                         s << "   %position = OpVariable %_ptr_Output_v4float Output\n";
1849                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
1850                                         s << "%in_position = OpVariable %_ptr_Input_v4float Input\n";
1851                                         s << "    %v2float = OpTypeVector %float 2\n";
1852                                         s << "%_ptr_Output_v2float = OpTypePointer Output %v2float\n";
1853                                         s << "  %normalpos = OpVariable %_ptr_Output_v2float Output\n";
1854                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
1855                                         s << "%in_normalpos = OpVariable %_ptr_Input_v2float Input\n";
1856                                         s << "      %int_0 = OpConstant %int 0\n";
1857                                         s << "%_ptr_Output_int = OpTypePointer Output %int\n";
1858                                         s << "     %vIndex = OpVariable %_ptr_Output_int Output\n";
1859                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
1860                                         s << "%gl_VertexIndex = OpVariable %_ptr_Input_int Input\n";
1861                                         s << "     %rIndex = OpVariable %_ptr_Output_int Output\n";
1862                                         s << "      %v4int = OpTypeVector %int 4\n";
1863                                         s << "%_ptr_Input_v4int = OpTypePointer Input %v4int\n";
1864                                         s << "      %index = OpVariable %_ptr_Input_v4int Input\n";
1865                                         s << "     %uint_0 = OpConstant %uint 0\n";
1866                                         s << "     %gIndex = OpVariable %_ptr_Output_int Output\n";
1867                                         s << "     %bIndex = OpVariable %_ptr_Output_int Output\n";
1868                                         s << "     %uint_2 = OpConstant %uint 2\n";
1869                                         s << "     %aIndex = OpVariable %_ptr_Output_int Output\n";
1870                                         s << "     %uint_3 = OpConstant %uint 3\n";
1871                                         s << "       %main = OpFunction %void None %3\n";
1872                                         s << "          %5 = OpLabel\n";
1873                                         s << "         %18 = OpAccessChain %_ptr_Output_float %_ %int_1\n";
1874                                         s << "               OpStore %18 %float_0_200000003\n";
1875                                         s << "         %23 = OpLoad %v4float %in_position\n";
1876                                         s << "               OpStore %position %23\n";
1877                                         s << "         %29 = OpLoad %v2float %in_normalpos\n";
1878                                         s << "               OpStore %normalpos %29\n";
1879                                         s << "         %31 = OpLoad %v4float %position\n";
1880                                         s << "         %32 = OpAccessChain %_ptr_Output_v4float %_ %int_0\n";
1881                                         s << "               OpStore %32 %31\n";
1882                                         s << "         %37 = OpLoad %int %gl_VertexIndex\n";
1883                                         s << "               OpStore %vIndex %37\n";
1884                                         s << "         %43 = OpAccessChain %_ptr_Input_int %index %uint_0\n";
1885                                         s << "         %44 = OpLoad %int %43\n";
1886                                         s << "               OpStore %rIndex %44\n";
1887                                         s << "         %46 = OpAccessChain %_ptr_Input_int %index %uint_1\n";
1888                                         s << "         %47 = OpLoad %int %46\n";
1889                                         s << "               OpStore %gIndex %47\n";
1890                                         s << "         %50 = OpAccessChain %_ptr_Input_int %index %uint_2\n";
1891                                         s << "         %51 = OpLoad %int %50\n";
1892                                         s << "               OpStore %bIndex %51\n";
1893                                         s << "         %54 = OpAccessChain %_ptr_Input_int %index %uint_3\n";
1894                                         s << "         %55 = OpLoad %int %54\n";
1895                                         s << "               OpStore %aIndex %55\n";
1896                                         s << "               OpReturn\n";
1897                                         s << "               OpFunctionEnd\n";
1898                                         break;
1899                                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
1900                                         s << "               OpCapability Shader\n";
1901                                         s << "               OpCapability ImageBuffer\n";
1902                                         if (allowVertexStoring)
1903                                         {
1904                                                 s << "               OpCapability ShaderNonUniform\n";
1905                                                 s << "               OpCapability RuntimeDescriptorArray\n";
1906                                                 s << "               OpCapability StorageTexelBufferArrayNonUniformIndexing\n";
1907                                                 s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
1908                                         }
1909                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
1910                                         s << "               OpMemoryModel Logical GLSL450\n";
1911                                         s << "               OpEntryPoint Vertex %main \"main\" %_ %position %in_position %normalpos %in_normalpos %vIndex %gl_VertexIndex %rIndex %index %gIndex %bIndex %aIndex %data\n";
1912                                         s << "               OpSource GLSL 450\n";
1913                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
1914                                         s << "               OpName %main \"main\"\n";
1915                                         s << "               OpName %gl_PerVertex \"gl_PerVertex\"\n";
1916                                         s << "               OpMemberName %gl_PerVertex 0 \"gl_Position\"\n";
1917                                         s << "               OpMemberName %gl_PerVertex 1 \"gl_PointSize\"\n";
1918                                         s << "               OpMemberName %gl_PerVertex 2 \"gl_ClipDistance\"\n";
1919                                         s << "               OpMemberName %gl_PerVertex 3 \"gl_CullDistance\"\n";
1920                                         s << "               OpName %_ \"\"\n";
1921                                         s << "               OpName %position \"position\"\n";
1922                                         s << "               OpName %in_position \"in_position\"\n";
1923                                         s << "               OpName %normalpos \"normalpos\"\n";
1924                                         s << "               OpName %in_normalpos \"in_normalpos\"\n";
1925                                         s << "               OpName %vIndex \"vIndex\"\n";
1926                                         s << "               OpName %gl_VertexIndex \"gl_VertexIndex\"\n";
1927                                         s << "               OpName %rIndex \"rIndex\"\n";
1928                                         s << "               OpName %index \"index\"\n";
1929                                         s << "               OpName %gIndex \"gIndex\"\n";
1930                                         s << "               OpName %bIndex \"bIndex\"\n";
1931                                         s << "               OpName %aIndex \"aIndex\"\n";
1932                                         s << "               OpName %data \"data\"\n";
1933                                         s << "               OpMemberDecorate %gl_PerVertex 0 BuiltIn Position\n";
1934                                         s << "               OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize\n";
1935                                         s << "               OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance\n";
1936                                         s << "               OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance\n";
1937                                         s << "               OpDecorate %gl_PerVertex Block\n";
1938                                         s << "               OpDecorate %position Location 0\n";
1939                                         s << "               OpDecorate %in_position Location 0\n";
1940                                         s << "               OpDecorate %normalpos Location 1\n";
1941                                         s << "               OpDecorate %in_normalpos Location 1\n";
1942                                         s << "               OpDecorate %vIndex Location 2\n";
1943                                         s << "               OpDecorate %gl_VertexIndex BuiltIn VertexIndex\n";
1944                                         s << "               OpDecorate %rIndex Location 3\n";
1945                                         s << "               OpDecorate %index Location 2\n";
1946                                         s << "               OpDecorate %gIndex Location 4\n";
1947                                         s << "               OpDecorate %bIndex Location 5\n";
1948                                         s << "               OpDecorate %aIndex Location 6\n";
1949                                         s << "               OpDecorate %data DescriptorSet 0\n";
1950                                         s << "               OpDecorate %data Binding 4\n";
1951                                         if (allowVertexStoring)
1952                                         {
1953                                                 // s << "               OpDecorate %66 NonUniform\n";
1954                                                 // s << "               OpDecorate %68 NonUniform\n";
1955                                                 s << "               OpDecorate %69 NonUniform\n";
1956                                                 // s << "               OpDecorate %71 NonUniform\n";
1957                                                 // s << "               OpDecorate %72 NonUniform\n";
1958                                                 s << "               OpDecorate %73 NonUniform\n";
1959                                         }
1960                                         s << "       %void = OpTypeVoid\n";
1961                                         s << "          %3 = OpTypeFunction %void\n";
1962                                         s << "      %float = OpTypeFloat 32\n";
1963                                         s << "    %v4float = OpTypeVector %float 4\n";
1964                                         s << "       %uint = OpTypeInt 32 0\n";
1965                                         s << "     %uint_1 = OpConstant %uint 1\n";
1966                                         s << "%_arr_float_uint_1 = OpTypeArray %float %uint_1\n";
1967                                         s << "%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1\n";
1968                                         s << "%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex\n";
1969                                         s << "          %_ = OpVariable %_ptr_Output_gl_PerVertex Output\n";
1970                                         s << "        %int = OpTypeInt 32 1\n";
1971                                         s << "      %int_1 = OpConstant %int 1\n";
1972                                         s << "%float_0_200000003 = OpConstant %float 0.200000003\n";
1973                                         s << "%_ptr_Output_float = OpTypePointer Output %float\n";
1974                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
1975                                         s << "   %position = OpVariable %_ptr_Output_v4float Output\n";
1976                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
1977                                         s << "%in_position = OpVariable %_ptr_Input_v4float Input\n";
1978                                         s << "    %v2float = OpTypeVector %float 2\n";
1979                                         s << "%_ptr_Output_v2float = OpTypePointer Output %v2float\n";
1980                                         s << "  %normalpos = OpVariable %_ptr_Output_v2float Output\n";
1981                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
1982                                         s << "%in_normalpos = OpVariable %_ptr_Input_v2float Input\n";
1983                                         s << "      %int_0 = OpConstant %int 0\n";
1984                                         s << "%_ptr_Output_int = OpTypePointer Output %int\n";
1985                                         s << "     %vIndex = OpVariable %_ptr_Output_int Output\n";
1986                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
1987                                         s << "%gl_VertexIndex = OpVariable %_ptr_Input_int Input\n";
1988                                         s << "     %rIndex = OpVariable %_ptr_Output_int Output\n";
1989                                         s << "      %v4int = OpTypeVector %int 4\n";
1990                                         s << "%_ptr_Input_v4int = OpTypePointer Input %v4int\n";
1991                                         s << "      %index = OpVariable %_ptr_Input_v4int Input\n";
1992                                         s << "     %uint_0 = OpConstant %uint 0\n";
1993                                         s << "     %gIndex = OpVariable %_ptr_Output_int Output\n";
1994                                         s << "     %bIndex = OpVariable %_ptr_Output_int Output\n";
1995                                         s << "     %uint_2 = OpConstant %uint 2\n";
1996                                         s << "     %aIndex = OpVariable %_ptr_Output_int Output\n";
1997                                         s << "     %uint_3 = OpConstant %uint 3\n";
1998                                         if (allowVertexStoring)
1999                                         {
2000                                                 s << "        %bool = OpTypeBool\n";
2001                                                 s << "          %61 = OpTypeImage %float Buffer 0 0 0 2 Rgba32f\n";
2002                                                 s << " %_runtimearr_61 = OpTypeRuntimeArray %61\n";
2003                                                 s << " %_ptr_UniformConstant__runtimearr_61 = OpTypePointer UniformConstant %_runtimearr_61\n";
2004                                                 s << "        %data = OpVariable %_ptr_UniformConstant__runtimearr_61 UniformConstant\n";
2005                                                 s << " %_ptr_UniformConstant_61 = OpTypePointer UniformConstant %61\n";
2006                                         }
2007                                         else
2008                                         {
2009                                                 s << "         %56 = OpTypeImage %float Buffer 0 0 0 2 Rgba32f\n";
2010                                                 s << "%_arr_56_uint_1 = OpTypeArray %56 %uint_1\n";
2011                                                 s << "%_ptr_UniformConstant__arr_56_uint_1 = OpTypePointer UniformConstant %_arr_56_uint_1\n";
2012                                                 s << "       %data = OpVariable %_ptr_UniformConstant__arr_56_uint_1 UniformConstant\n";
2013                                         }
2014                                         s << "       %main = OpFunction %void None %3\n";
2015                                         s << "          %5 = OpLabel\n";
2016                                         s << "         %18 = OpAccessChain %_ptr_Output_float %_ %int_1\n";
2017                                         s << "               OpStore %18 %float_0_200000003\n";
2018                                         s << "         %23 = OpLoad %v4float %in_position\n";
2019                                         s << "               OpStore %position %23\n";
2020                                         s << "         %29 = OpLoad %v2float %in_normalpos\n";
2021                                         s << "               OpStore %normalpos %29\n";
2022                                         s << "         %31 = OpLoad %v4float %position\n";
2023                                         s << "         %32 = OpAccessChain %_ptr_Output_v4float %_ %int_0\n";
2024                                         s << "               OpStore %32 %31\n";
2025                                         s << "         %37 = OpLoad %int %gl_VertexIndex\n";
2026                                         s << "               OpStore %vIndex %37\n";
2027                                         s << "         %43 = OpAccessChain %_ptr_Input_int %index %uint_0\n";
2028                                         s << "         %44 = OpLoad %int %43\n";
2029                                         s << "               OpStore %rIndex %44\n";
2030                                         s << "         %46 = OpAccessChain %_ptr_Input_int %index %uint_1\n";
2031                                         s << "         %47 = OpLoad %int %46\n";
2032                                         s << "               OpStore %gIndex %47\n";
2033                                         s << "         %50 = OpAccessChain %_ptr_Input_int %index %uint_2\n";
2034                                         s << "         %51 = OpLoad %int %50\n";
2035                                         s << "               OpStore %bIndex %51\n";
2036                                         s << "         %54 = OpAccessChain %_ptr_Input_int %index %uint_3\n";
2037                                         s << "         %55 = OpLoad %int %54\n";
2038                                         s << "               OpStore %aIndex %55\n";
2039                                         if (allowVertexStoring)
2040                                         {
2041                                                 s << "          %56 = OpLoad %int %gIndex\n";
2042                                                 s << "          %58 = OpINotEqual %bool %56 %int_0\n";
2043                                                 s << "                OpSelectionMerge %60 None\n";
2044                                                 s << "                OpBranchConditional %58 %59 %60\n";
2045                                                 s << "          %59 = OpLabel\n";
2046                                                 s << "          %65 = OpLoad %int %gIndex\n";
2047                                                 s << "          %66 = OpCopyObject %int %65\n";
2048                                                 s << "          %68 = OpAccessChain %_ptr_UniformConstant_61 %data %66\n";
2049                                                 s << "          %69 = OpLoad %61 %68\n";
2050                                                 s << "          %70 = OpLoad %int %rIndex\n";
2051                                                 s << "          %71 = OpCopyObject %int %70\n";
2052                                                 s << "          %72 = OpAccessChain %_ptr_UniformConstant_61 %data %71\n";
2053                                                 s << "          %73 = OpLoad %61 %72\n";
2054                                                 s << "          %74 = OpImageRead %v4float %73 %int_0\n";
2055                                                 s << "                OpImageWrite %69 %int_1 %74\n";
2056                                                 s << "                OpBranch %60\n";
2057                                                 s << "          %60 = OpLabel\n";
2058                                         }
2059                                         s << "               OpReturn\n";
2060                                         s << "               OpFunctionEnd\n";
2061                                         break;
2062                                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2063                                         s << "               OpCapability Shader\n";
2064                                         if (allowVertexStoring)
2065                                         {
2066                                                 s << "               OpCapability ShaderNonUniform\n";
2067                                                 s << "               OpCapability RuntimeDescriptorArray\n";
2068                                                 s << "               OpCapability StorageBufferArrayNonUniformIndexing\n";
2069                                                 s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2070                                         }
2071                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2072                                         s << "               OpMemoryModel Logical GLSL450\n";
2073                                         s << "               OpEntryPoint Vertex %main \"main\" %_ %position %in_position %normalpos %in_normalpos %vIndex %gl_VertexIndex %rIndex %index %gIndex %bIndex %aIndex %data\n";
2074                                         s << "               OpSource GLSL 450\n";
2075                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2076                                         s << "               OpName %main \"main\"\n";
2077                                         s << "               OpName %gl_PerVertex \"gl_PerVertex\"\n";
2078                                         s << "               OpMemberName %gl_PerVertex 0 \"gl_Position\"\n";
2079                                         s << "               OpMemberName %gl_PerVertex 1 \"gl_PointSize\"\n";
2080                                         s << "               OpMemberName %gl_PerVertex 2 \"gl_ClipDistance\"\n";
2081                                         s << "               OpMemberName %gl_PerVertex 3 \"gl_CullDistance\"\n";
2082                                         s << "               OpName %_ \"\"\n";
2083                                         s << "               OpName %position \"position\"\n";
2084                                         s << "               OpName %in_position \"in_position\"\n";
2085                                         s << "               OpName %normalpos \"normalpos\"\n";
2086                                         s << "               OpName %in_normalpos \"in_normalpos\"\n";
2087                                         s << "               OpName %vIndex \"vIndex\"\n";
2088                                         s << "               OpName %gl_VertexIndex \"gl_VertexIndex\"\n";
2089                                         s << "               OpName %rIndex \"rIndex\"\n";
2090                                         s << "               OpName %index \"index\"\n";
2091                                         s << "               OpName %gIndex \"gIndex\"\n";
2092                                         s << "               OpName %bIndex \"bIndex\"\n";
2093                                         s << "               OpName %aIndex \"aIndex\"\n";
2094                                         s << "               OpName %Data \"Data\"\n";
2095                                         s << "               OpMemberName %Data 0 \"cnew\"\n";
2096                                         s << "               OpMemberName %Data 1 \"cold\"\n";
2097                                         s << "               OpName %data \"data\"\n";
2098                                         s << "               OpMemberDecorate %gl_PerVertex 0 BuiltIn Position\n";
2099                                         s << "               OpMemberDecorate %gl_PerVertex 1 BuiltIn PointSize\n";
2100                                         s << "               OpMemberDecorate %gl_PerVertex 2 BuiltIn ClipDistance\n";
2101                                         s << "               OpMemberDecorate %gl_PerVertex 3 BuiltIn CullDistance\n";
2102                                         s << "               OpDecorate %gl_PerVertex Block\n";
2103                                         s << "               OpDecorate %position Location 0\n";
2104                                         s << "               OpDecorate %in_position Location 0\n";
2105                                         s << "               OpDecorate %normalpos Location 1\n";
2106                                         s << "               OpDecorate %in_normalpos Location 1\n";
2107                                         s << "               OpDecorate %vIndex Location 2\n";
2108                                         s << "               OpDecorate %gl_VertexIndex BuiltIn VertexIndex\n";
2109                                         s << "               OpDecorate %rIndex Location 3\n";
2110                                         s << "               OpDecorate %index Location 2\n";
2111                                         s << "               OpDecorate %gIndex Location 4\n";
2112                                         s << "               OpDecorate %bIndex Location 5\n";
2113                                         s << "               OpDecorate %aIndex Location 6\n";
2114                                         s << "               OpMemberDecorate %Data 0 Offset 0\n";
2115                                         s << "               OpMemberDecorate %Data 1 Offset 16\n";
2116                                         s << "               OpDecorate %Data Block\n";
2117                                         s << "               OpDecorate %data DescriptorSet 0\n";
2118                                         s << "               OpDecorate %data Binding 2\n";
2119                                         if (allowVertexStoring)
2120                                         {
2121                                                 // s << "               OpDecorate %66 NonUniform\n";
2122                                                 // s << "               OpDecorate %68 NonUniform\n";
2123                                                 s << "               OpDecorate %70 NonUniform\n";
2124                                                 // s << "               OpDecorate %71 NonUniform\n";
2125                                                 s << "               OpDecorate %72 NonUniform\n";
2126                                         }
2127                                         s << "       %void = OpTypeVoid\n";
2128                                         s << "          %3 = OpTypeFunction %void\n";
2129                                         s << "      %float = OpTypeFloat 32\n";
2130                                         s << "    %v4float = OpTypeVector %float 4\n";
2131                                         s << "       %uint = OpTypeInt 32 0\n";
2132                                         s << "     %uint_1 = OpConstant %uint 1\n";
2133                                         s << "%_arr_float_uint_1 = OpTypeArray %float %uint_1\n";
2134                                         s << "%gl_PerVertex = OpTypeStruct %v4float %float %_arr_float_uint_1 %_arr_float_uint_1\n";
2135                                         s << "%_ptr_Output_gl_PerVertex = OpTypePointer Output %gl_PerVertex\n";
2136                                         s << "          %_ = OpVariable %_ptr_Output_gl_PerVertex Output\n";
2137                                         s << "        %int = OpTypeInt 32 1\n";
2138                                         s << "      %int_1 = OpConstant %int 1\n";
2139                                         s << "%float_0_200000003 = OpConstant %float 0.200000003\n";
2140                                         s << "%_ptr_Output_float = OpTypePointer Output %float\n";
2141                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2142                                         s << "   %position = OpVariable %_ptr_Output_v4float Output\n";
2143                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2144                                         s << "%in_position = OpVariable %_ptr_Input_v4float Input\n";
2145                                         s << "    %v2float = OpTypeVector %float 2\n";
2146                                         s << "%_ptr_Output_v2float = OpTypePointer Output %v2float\n";
2147                                         s << "  %normalpos = OpVariable %_ptr_Output_v2float Output\n";
2148                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2149                                         s << "%in_normalpos = OpVariable %_ptr_Input_v2float Input\n";
2150                                         s << "      %int_0 = OpConstant %int 0\n";
2151                                         s << "%_ptr_Output_int = OpTypePointer Output %int\n";
2152                                         s << "     %vIndex = OpVariable %_ptr_Output_int Output\n";
2153                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2154                                         s << "%gl_VertexIndex = OpVariable %_ptr_Input_int Input\n";
2155                                         s << "     %rIndex = OpVariable %_ptr_Output_int Output\n";
2156                                         s << "      %v4int = OpTypeVector %int 4\n";
2157                                         s << "%_ptr_Input_v4int = OpTypePointer Input %v4int\n";
2158                                         s << "      %index = OpVariable %_ptr_Input_v4int Input\n";
2159                                         s << "     %uint_0 = OpConstant %uint 0\n";
2160                                         s << "     %gIndex = OpVariable %_ptr_Output_int Output\n";
2161                                         s << "     %bIndex = OpVariable %_ptr_Output_int Output\n";
2162                                         s << "     %uint_2 = OpConstant %uint 2\n";
2163                                         s << "     %aIndex = OpVariable %_ptr_Output_int Output\n";
2164                                         s << "     %uint_3 = OpConstant %uint 3\n";
2165                                         s << "       %Data = OpTypeStruct %v4float %v4float\n";
2166                                         if (allowVertexStoring)
2167                                         {
2168                                                 s << "       %bool = OpTypeBool\n";
2169                                                 s << "%_runtimearr_Data = OpTypeRuntimeArray %Data\n";
2170                                                 s << "%_ptr_StorageBuffer__runtimearr_Data = OpTypePointer StorageBuffer %_runtimearr_Data\n";
2171                                                 s << "       %data = OpVariable  %_ptr_StorageBuffer__runtimearr_Data StorageBuffer\n";
2172                                                 s << "%_ptr_StorageBuffer_v4float = OpTypePointer StorageBuffer %v4float\n";
2173                                         }
2174                                         else
2175                                         {
2176                                                 s << "%_arr_Data_uint_1 = OpTypeArray %Data %uint_1\n";
2177                                                 s << "%_ptr_StorageBuffer__arr_Data_uint_1 = OpTypePointer StorageBuffer %_arr_Data_uint_1\n";
2178                                                 s << "       %data = OpVariable %_ptr_StorageBuffer__arr_Data_uint_1 StorageBuffer\n";
2179                                         }
2180                                         s << "       %main = OpFunction %void None %3\n";
2181                                         s << "          %5 = OpLabel\n";
2182                                         s << "         %18 = OpAccessChain %_ptr_Output_float %_ %int_1\n";
2183                                         s << "               OpStore %18 %float_0_200000003\n";
2184                                         s << "         %23 = OpLoad %v4float %in_position\n";
2185                                         s << "               OpStore %position %23\n";
2186                                         s << "         %29 = OpLoad %v2float %in_normalpos\n";
2187                                         s << "               OpStore %normalpos %29\n";
2188                                         s << "         %31 = OpLoad %v4float %position\n";
2189                                         s << "         %32 = OpAccessChain %_ptr_Output_v4float %_ %int_0\n";
2190                                         s << "               OpStore %32 %31\n";
2191                                         s << "         %37 = OpLoad %int %gl_VertexIndex\n";
2192                                         s << "               OpStore %vIndex %37\n";
2193                                         s << "         %43 = OpAccessChain %_ptr_Input_int %index %uint_0\n";
2194                                         s << "         %44 = OpLoad %int %43\n";
2195                                         s << "               OpStore %rIndex %44\n";
2196                                         s << "         %46 = OpAccessChain %_ptr_Input_int %index %uint_1\n";
2197                                         s << "         %47 = OpLoad %int %46\n";
2198                                         s << "               OpStore %gIndex %47\n";
2199                                         s << "         %50 = OpAccessChain %_ptr_Input_int %index %uint_2\n";
2200                                         s << "         %51 = OpLoad %int %50\n";
2201                                         s << "               OpStore %bIndex %51\n";
2202                                         s << "         %54 = OpAccessChain %_ptr_Input_int %index %uint_3\n";
2203                                         s << "         %55 = OpLoad %int %54\n";
2204                                         s << "               OpStore %aIndex %55\n";
2205                                         if (allowVertexStoring)
2206                                         {
2207                                                 s << "          %56 = OpLoad %int %gIndex\n";
2208                                                 s << "          %58 = OpINotEqual %bool %56 %int_0\n";
2209                                                 s << "                OpSelectionMerge %60 None\n";
2210                                                 s << "                OpBranchConditional %58 %59 %60\n";
2211                                                 s << "          %59 = OpLabel\n";
2212                                                 s << "          %65 = OpLoad %int %gIndex\n";
2213                                                 s << "          %66 = OpCopyObject %int %65\n";
2214                                                 s << "          %67 = OpLoad %int %rIndex\n";
2215                                                 s << "          %68 = OpCopyObject %int %67\n";
2216                                                 s << "          %70 = OpAccessChain %_ptr_StorageBuffer_v4float %data %68 %int_1\n";
2217                                                 s << "          %71 = OpLoad %v4float %70\n";
2218                                                 s << "          %72 = OpAccessChain %_ptr_StorageBuffer_v4float %data %66 %int_0\n";
2219                                                 s << "                OpStore %72 %71\n";
2220                                                 s << "                OpBranch %60\n";
2221                                                 s << "          %60 = OpLabel\n";
2222                                         }
2223                                         s << "               OpReturn\n";
2224                                         s << "               OpFunctionEnd\n";
2225                                         break;
2226                                 default:
2227                                         TCU_THROW(InternalError, "Unexpected descriptor type");
2228                         }
2229                         break;
2230                 case VK_SHADER_STAGE_FRAGMENT_BIT:
2231                         switch (testCaseParams.descriptorType)
2232                         {
2233                                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
2234                                         s << "               OpCapability Shader\n";
2235                                         if (testCaseParams.usesMipMaps)
2236                                         {
2237                                                 s << "               OpCapability ImageQuery\n";
2238                                         }
2239                                         s << "               OpCapability ShaderNonUniform\n";
2240                                         s << "               OpCapability RuntimeDescriptorArray\n";
2241                                         s << "               OpCapability SampledImageArrayNonUniformIndexing\n";
2242                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2243                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2244                                         s << "               OpMemoryModel Logical GLSL450\n";
2245                                         s << "               OpEntryPoint Fragment %main \"main\" %FragColor %data %rIndex %position %normalpos %vIndex %gIndex %bIndex %aIndex\n";
2246                                         s << "               OpExecutionMode %main OriginUpperLeft\n";
2247                                         s << "               OpSource GLSL 450\n";
2248                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2249                                         s << "               OpSourceExtension \"GL_EXT_texture_buffer\"\n";
2250                                         s << "               OpName %main \"main\"\n";
2251                                         s << "               OpName %FragColor \"FragColor\"\n";
2252                                         s << "               OpName %data \"data\"\n";
2253                                         s << "               OpName %rIndex \"rIndex\"\n";
2254                                         s << "               OpName %position \"position\"\n";
2255                                         s << "               OpName %normalpos \"normalpos\"\n";
2256                                         s << "               OpName %vIndex \"vIndex\"\n";
2257                                         s << "               OpName %gIndex \"gIndex\"\n";
2258                                         s << "               OpName %bIndex \"bIndex\"\n";
2259                                         s << "               OpName %aIndex \"aIndex\"\n";
2260                                         s << "               OpDecorate %FragColor Location 0\n";
2261                                         s << "               OpDecorate %data DescriptorSet 0\n";
2262                                         s << "               OpDecorate %data Binding 7\n";
2263                                         s << "               OpDecorate %rIndex Flat\n";
2264                                         s << "               OpDecorate %rIndex Location 3\n";
2265                                         // s << "               OpDecorate %19 NonUniform\n";
2266                                         // s << "               OpDecorate %21 NonUniform\n";
2267                                         s << "               OpDecorate %22 NonUniform\n";
2268                                         if (testCaseParams.usesMipMaps)
2269                                         {
2270                                                 // s << "               OpDecorate %27 NonUniform\n";
2271                                                 // s << "               OpDecorate %28 NonUniform\n";
2272                                                 // s << "               OpDecorate %29 NonUniform\n";
2273                                                 s << "               OpDecorate %30 NonUniform\n";
2274                                         }
2275                                         s << "               OpDecorate %position Flat\n";
2276                                         s << "               OpDecorate %position Location 0\n";
2277                                         s << "               OpDecorate %normalpos Flat\n";
2278                                         s << "               OpDecorate %normalpos Location 1\n";
2279                                         s << "               OpDecorate %vIndex Flat\n";
2280                                         s << "               OpDecorate %vIndex Location 2\n";
2281                                         s << "               OpDecorate %gIndex Flat\n";
2282                                         s << "               OpDecorate %gIndex Location 4\n";
2283                                         s << "               OpDecorate %bIndex Flat\n";
2284                                         s << "               OpDecorate %bIndex Location 5\n";
2285                                         s << "               OpDecorate %aIndex Flat\n";
2286                                         s << "               OpDecorate %aIndex Location 6\n";
2287                                         s << "       %void = OpTypeVoid\n";
2288                                         s << "          %3 = OpTypeFunction %void\n";
2289                                         s << "      %float = OpTypeFloat 32\n";
2290                                         s << "    %v4float = OpTypeVector %float 4\n";
2291                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2292                                         s << "  %FragColor = OpVariable %_ptr_Output_v4float Output\n";
2293                                         s << "         %10 = OpTypeImage %float 2D 0 0 0 1 Unknown\n";
2294                                         s << "         %11 = OpTypeSampledImage %10\n";
2295                                         s << "%_runtimearr_11 = OpTypeRuntimeArray %11\n";
2296                                         s << "%_ptr_UniformConstant__runtimearr_11 = OpTypePointer UniformConstant %_runtimearr_11\n";
2297                                         s << "       %data = OpVariable %_ptr_UniformConstant__runtimearr_11 UniformConstant\n";
2298                                         s << "        %int = OpTypeInt 32 1\n";
2299                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2300                                         s << "     %rIndex = OpVariable %_ptr_Input_int Input\n";
2301                                         s << "%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11\n";
2302                                         s << "    %v2float = OpTypeVector %float 2\n";
2303                                         s << "    %float_0 = OpConstant %float 0\n";
2304                                         s << "      %int_1 = OpConstant %int 1\n";
2305                                         s << "         %25 = OpConstantComposite %v2float %float_0 %float_0\n";
2306                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2307                                         s << "   %position = OpVariable %_ptr_Input_v4float Input\n";
2308                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2309                                         s << "  %normalpos = OpVariable %_ptr_Input_v2float Input\n";
2310                                         s << "     %vIndex = OpVariable %_ptr_Input_int Input\n";
2311                                         s << "     %gIndex = OpVariable %_ptr_Input_int Input\n";
2312                                         s << "     %bIndex = OpVariable %_ptr_Input_int Input\n";
2313                                         s << "     %aIndex = OpVariable %_ptr_Input_int Input\n";
2314                                         s << "       %main = OpFunction %void None %3\n";
2315                                         s << "          %5 = OpLabel\n";
2316                                         s << "         %18 = OpLoad %int %rIndex\n";
2317                                         s << "         %19 = OpCopyObject %int %18\n";
2318                                         s << "         %21 = OpAccessChain %_ptr_UniformConstant_11 %data %19\n";
2319                                         s << "         %22 = OpLoad %11 %21\n";
2320                                         if (testCaseParams.usesMipMaps)
2321                                         {
2322                                                 s << "          %26 = OpLoad %int %rIndex\n";
2323                                                 s << "          %27 = OpCopyObject %int %26\n";
2324                                                 s << "          %28 = OpAccessChain %_ptr_UniformConstant_11 %data %27\n";
2325                                                 s << "          %29 = OpLoad %11 %28\n";
2326                                                 s << "          %30 = OpImage %10 %29\n";
2327                                                 s << "          %31 = OpImageQueryLevels %int %30\n";
2328                                                 s << "          %33 = OpISub %int %31 %int_1\n";
2329                                                 s << "          %34 = OpConvertSToF %float %33\n";
2330                                                 s << "          %35 = OpImageSampleExplicitLod %v4float %22 %25 Lod %34\n";
2331                                                 s << "                OpStore %FragColor %35\n";
2332                                         }
2333                                         else
2334                                         {
2335                                                 s << "         %26 = OpImageSampleImplicitLod %v4float %22 %25\n";
2336                                                 s << "               OpStore %FragColor %26\n";
2337                                         }
2338                                         s << "               OpReturn\n";
2339                                         s << "               OpFunctionEnd\n";
2340                                         break;
2341                                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
2342                                         s << "               OpCapability Shader\n";
2343                                         s << "               OpCapability SampledBuffer\n";
2344                                         s << "               OpCapability ShaderNonUniform\n";
2345                                         s << "               OpCapability RuntimeDescriptorArray\n";
2346                                         s << "               OpCapability UniformTexelBufferArrayNonUniformIndexing\n";
2347                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2348                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2349                                         s << "               OpMemoryModel Logical GLSL450\n";
2350                                         s << "               OpEntryPoint Fragment %main \"main\" %FragColor %data %rIndex %position %normalpos %vIndex %gIndex %bIndex %aIndex\n";
2351                                         s << "               OpExecutionMode %main OriginUpperLeft\n";
2352                                         s << "               OpSource GLSL 450\n";
2353                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2354                                         s << "               OpSourceExtension \"GL_EXT_texture_buffer\"\n";
2355                                         s << "               OpName %main \"main\"\n";
2356                                         s << "               OpName %FragColor \"FragColor\"\n";
2357                                         s << "               OpName %data \"data\"\n";
2358                                         s << "               OpName %rIndex \"rIndex\"\n";
2359                                         s << "               OpName %position \"position\"\n";
2360                                         s << "               OpName %normalpos \"normalpos\"\n";
2361                                         s << "               OpName %vIndex \"vIndex\"\n";
2362                                         s << "               OpName %gIndex \"gIndex\"\n";
2363                                         s << "               OpName %bIndex \"bIndex\"\n";
2364                                         s << "               OpName %aIndex \"aIndex\"\n";
2365                                         s << "               OpDecorate %FragColor Location 0\n";
2366                                         s << "               OpDecorate %data DescriptorSet 0\n";
2367                                         s << "               OpDecorate %data Binding 3\n";
2368                                         s << "               OpDecorate %rIndex Flat\n";
2369                                         s << "               OpDecorate %rIndex Location 3\n";
2370                                         // s << "               OpDecorate %19 NonUniform\n";
2371                                         // s << "               OpDecorate %21 NonUniform\n";
2372                                         // s << "               OpDecorate %22 NonUniform\n";
2373                                         s << "               OpDecorate %24 NonUniform\n";
2374                                         s << "               OpDecorate %position Flat\n";
2375                                         s << "               OpDecorate %position Location 0\n";
2376                                         s << "               OpDecorate %normalpos Flat\n";
2377                                         s << "               OpDecorate %normalpos Location 1\n";
2378                                         s << "               OpDecorate %vIndex Flat\n";
2379                                         s << "               OpDecorate %vIndex Location 2\n";
2380                                         s << "               OpDecorate %gIndex Flat\n";
2381                                         s << "               OpDecorate %gIndex Location 4\n";
2382                                         s << "               OpDecorate %bIndex Flat\n";
2383                                         s << "               OpDecorate %bIndex Location 5\n";
2384                                         s << "               OpDecorate %aIndex Flat\n";
2385                                         s << "               OpDecorate %aIndex Location 6\n";
2386                                         s << "       %void = OpTypeVoid\n";
2387                                         s << "          %3 = OpTypeFunction %void\n";
2388                                         s << "      %float = OpTypeFloat 32\n";
2389                                         s << "    %v4float = OpTypeVector %float 4\n";
2390                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2391                                         s << "  %FragColor = OpVariable %_ptr_Output_v4float Output\n";
2392                                         s << "         %10 = OpTypeImage %float Buffer 0 0 0 1 Unknown\n";
2393                                         s << "         %11 = OpTypeSampledImage %10\n";
2394                                         s << "%_runtimearr_11 = OpTypeRuntimeArray %11\n";
2395                                         s << "%_ptr_UniformConstant__runtimearr_11 = OpTypePointer UniformConstant %_runtimearr_11\n";
2396                                         s << "       %data = OpVariable %_ptr_UniformConstant__runtimearr_11 UniformConstant\n";
2397                                         s << "        %int = OpTypeInt 32 1\n";
2398                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2399                                         s << "     %rIndex = OpVariable %_ptr_Input_int Input\n";
2400                                         s << "%_ptr_UniformConstant_11 = OpTypePointer UniformConstant %11\n";
2401                                         s << "      %int_0 = OpConstant %int 0\n";
2402                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2403                                         s << "   %position = OpVariable %_ptr_Input_v4float Input\n";
2404                                         s << "    %v2float = OpTypeVector %float 2\n";
2405                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2406                                         s << "  %normalpos = OpVariable %_ptr_Input_v2float Input\n";
2407                                         s << "     %vIndex = OpVariable %_ptr_Input_int Input\n";
2408                                         s << "     %gIndex = OpVariable %_ptr_Input_int Input\n";
2409                                         s << "     %bIndex = OpVariable %_ptr_Input_int Input\n";
2410                                         s << "     %aIndex = OpVariable %_ptr_Input_int Input\n";
2411                                         s << "       %main = OpFunction %void None %3\n";
2412                                         s << "          %5 = OpLabel\n";
2413                                         s << "         %18 = OpLoad %int %rIndex\n";
2414                                         s << "         %19 = OpCopyObject %int %18\n";
2415                                         s << "         %21 = OpAccessChain %_ptr_UniformConstant_11 %data %19\n";
2416                                         s << "         %22 = OpLoad %11 %21\n";
2417                                         s << "         %24 = OpImage %10 %22\n";
2418                                         s << "         %25 = OpImageFetch %v4float %24 %int_0\n";
2419                                         s << "               OpStore %FragColor %25\n";
2420                                         s << "               OpReturn\n";
2421                                         s << "               OpFunctionEnd\n";
2422                                         break;
2423                                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
2424                                         s << "               OpCapability Shader\n";
2425                                         s << "               OpCapability ImageBuffer\n";
2426                                         s << "               OpCapability ShaderNonUniform\n";
2427                                         s << "               OpCapability RuntimeDescriptorArray\n";
2428                                         s << "               OpCapability StorageTexelBufferArrayNonUniformIndexing\n";
2429                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2430                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2431                                         s << "               OpMemoryModel Logical GLSL450\n";
2432                                         s << "               OpEntryPoint Fragment %main \"main\" %FragColor %data %rIndex %position %normalpos %vIndex %gIndex %bIndex %aIndex\n";
2433                                         s << "               OpExecutionMode %main OriginUpperLeft\n";
2434                                         s << "               OpSource GLSL 450\n";
2435                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2436                                         s << "               OpName %main \"main\"\n";
2437                                         s << "               OpName %FragColor \"FragColor\"\n";
2438                                         s << "               OpName %data \"data\"\n";
2439                                         s << "               OpName %rIndex \"rIndex\"\n";
2440                                         s << "               OpName %position \"position\"\n";
2441                                         s << "               OpName %normalpos \"normalpos\"\n";
2442                                         s << "               OpName %vIndex \"vIndex\"\n";
2443                                         s << "               OpName %gIndex \"gIndex\"\n";
2444                                         s << "               OpName %bIndex \"bIndex\"\n";
2445                                         s << "               OpName %aIndex \"aIndex\"\n";
2446                                         s << "               OpDecorate %FragColor Location 0\n";
2447                                         s << "               OpDecorate %data DescriptorSet 0\n";
2448                                         s << "               OpDecorate %data Binding 4\n";
2449                                         s << "               OpDecorate %rIndex Flat\n";
2450                                         s << "               OpDecorate %rIndex Location 3\n";
2451                                         // s << "               OpDecorate %18 NonUniform\n";
2452                                         // s << "               OpDecorate %20 NonUniform\n";
2453                                         s << "               OpDecorate %21 NonUniform\n";
2454                                         s << "               OpDecorate %position Flat\n";
2455                                         s << "               OpDecorate %position Location 0\n";
2456                                         s << "               OpDecorate %normalpos Flat\n";
2457                                         s << "               OpDecorate %normalpos Location 1\n";
2458                                         s << "               OpDecorate %vIndex Flat\n";
2459                                         s << "               OpDecorate %vIndex Location 2\n";
2460                                         s << "               OpDecorate %gIndex Flat\n";
2461                                         s << "               OpDecorate %gIndex Location 4\n";
2462                                         s << "               OpDecorate %bIndex Flat\n";
2463                                         s << "               OpDecorate %bIndex Location 5\n";
2464                                         s << "               OpDecorate %aIndex Flat\n";
2465                                         s << "               OpDecorate %aIndex Location 6\n";
2466                                         s << "       %void = OpTypeVoid\n";
2467                                         s << "          %3 = OpTypeFunction %void\n";
2468                                         s << "      %float = OpTypeFloat 32\n";
2469                                         s << "    %v4float = OpTypeVector %float 4\n";
2470                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2471                                         s << "  %FragColor = OpVariable %_ptr_Output_v4float Output\n";
2472                                         s << "         %10 = OpTypeImage %float Buffer 0 0 0 2 Rgba32f\n";
2473                                         s << "%_runtimearr_10 = OpTypeRuntimeArray %10\n";
2474                                         s << "%_ptr_UniformConstant__runtimearr_10 = OpTypePointer UniformConstant %_runtimearr_10\n";
2475                                         s << "       %data = OpVariable %_ptr_UniformConstant__runtimearr_10 UniformConstant\n";
2476                                         s << "        %int = OpTypeInt 32 1\n";
2477                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2478                                         s << "     %rIndex = OpVariable %_ptr_Input_int Input\n";
2479                                         s << "%_ptr_UniformConstant_10 = OpTypePointer UniformConstant %10\n";
2480                                         s << "      %int_0 = OpConstant %int 0\n";
2481                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2482                                         s << "   %position = OpVariable %_ptr_Input_v4float Input\n";
2483                                         s << "    %v2float = OpTypeVector %float 2\n";
2484                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2485                                         s << "  %normalpos = OpVariable %_ptr_Input_v2float Input\n";
2486                                         s << "     %vIndex = OpVariable %_ptr_Input_int Input\n";
2487                                         s << "     %gIndex = OpVariable %_ptr_Input_int Input\n";
2488                                         s << "     %bIndex = OpVariable %_ptr_Input_int Input\n";
2489                                         s << "     %aIndex = OpVariable %_ptr_Input_int Input\n";
2490                                         s << "       %main = OpFunction %void None %3\n";
2491                                         s << "          %5 = OpLabel\n";
2492                                         s << "         %17 = OpLoad %int %rIndex\n";
2493                                         s << "         %18 = OpCopyObject %int %17\n";
2494                                         s << "         %20 = OpAccessChain %_ptr_UniformConstant_10 %data %18\n";
2495                                         s << "         %21 = OpLoad %10 %20\n";
2496                                         s << "         %23 = OpImageRead %v4float %21 %int_0\n";
2497                                         s << "               OpStore %FragColor %23\n";
2498                                         s << "               OpReturn\n";
2499                                         s << "               OpFunctionEnd\n";
2500                                         break;
2501                                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2502                                         s << "               OpCapability Shader\n";
2503                                         s << "               OpCapability ShaderNonUniform\n";
2504                                         s << "               OpCapability RuntimeDescriptorArray\n";
2505                                         s << "               OpCapability StorageBufferArrayNonUniformIndexing\n";
2506                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2507                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2508                                         s << "               OpMemoryModel Logical GLSL450\n";
2509                                         s << "               OpEntryPoint Fragment %main \"main\" %FragColor %data %rIndex %position %normalpos %vIndex %gIndex %bIndex %aIndex\n";
2510                                         s << "               OpExecutionMode %main OriginUpperLeft\n";
2511                                         s << "               OpSource GLSL 450\n";
2512                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2513                                         s << "               OpName %main \"main\"\n";
2514                                         s << "               OpName %FragColor \"FragColor\"\n";
2515                                         s << "               OpName %Data \"Data\"\n";
2516                                         s << "               OpMemberName %Data 0 \"cnew\"\n";
2517                                         s << "               OpMemberName %Data 1 \"cold\"\n";
2518                                         s << "               OpName %data \"data\"\n";
2519                                         s << "               OpName %rIndex \"rIndex\"\n";
2520                                         s << "               OpName %position \"position\"\n";
2521                                         s << "               OpName %normalpos \"normalpos\"\n";
2522                                         s << "               OpName %vIndex \"vIndex\"\n";
2523                                         s << "               OpName %gIndex \"gIndex\"\n";
2524                                         s << "               OpName %bIndex \"bIndex\"\n";
2525                                         s << "               OpName %aIndex \"aIndex\"\n";
2526                                         s << "               OpDecorate %FragColor Location 0\n";
2527                                         s << "               OpMemberDecorate %Data 0 Offset 0\n";
2528                                         s << "               OpMemberDecorate %Data 1 Offset 16\n";
2529                                         s << "               OpDecorate %Data Block\n";
2530                                         s << "               OpDecorate %data DescriptorSet 0\n";
2531                                         s << "               OpDecorate %data Binding 2\n";
2532                                         s << "               OpDecorate %rIndex Flat\n";
2533                                         s << "               OpDecorate %rIndex Location 3\n";
2534                                         // s << "               OpDecorate %18 NonUniform\n";
2535                                         s << "               OpDecorate %21 NonUniform\n";
2536                                         // s << "               OpDecorate %22 NonUniform\n";
2537                                         s << "               OpDecorate %position Flat\n";
2538                                         s << "               OpDecorate %position Location 0\n";
2539                                         s << "               OpDecorate %normalpos Flat               OpDecorate %normalpos Location 1\n";
2540                                         s << "               OpDecorate %vIndex Flat\n";
2541                                         s << "               OpDecorate %vIndex Location 2\n";
2542                                         s << "               OpDecorate %gIndex Flat\n";
2543                                         s << "               OpDecorate %gIndex Location 4\n";
2544                                         s << "               OpDecorate %bIndex Flat\n";
2545                                         s << "               OpDecorate %bIndex Location 5\n";
2546                                         s << "               OpDecorate %aIndex Flat\n";
2547                                         s << "               OpDecorate %aIndex Location 6\n";
2548                                         s << "       %void = OpTypeVoid\n";
2549                                         s << "          %3 = OpTypeFunction %void\n";
2550                                         s << "      %float = OpTypeFloat 32\n";
2551                                         s << "    %v4float = OpTypeVector %float 4\n";
2552                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2553                                         s << "  %FragColor = OpVariable %_ptr_Output_v4float Output\n";
2554                                         s << "       %Data = OpTypeStruct %v4float %v4float\n";
2555                                         s << "%_runtimearr_Data = OpTypeRuntimeArray %Data\n";
2556                                         s << "%_ptr_StorageBuffer__runtimearr_Data = OpTypePointer StorageBuffer %_runtimearr_Data\n";
2557                                         s << "       %data = OpVariable %_ptr_StorageBuffer__runtimearr_Data StorageBuffer\n";
2558                                         s << "        %int = OpTypeInt 32 1\n";
2559                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2560                                         s << "     %rIndex = OpVariable %_ptr_Input_int Input\n";
2561                                         s << "      %int_1 = OpConstant %int 1\n";
2562                                         s << "%_ptr_StorageBuffer_v4float = OpTypePointer StorageBuffer %v4float\n";
2563                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2564                                         s << "   %position = OpVariable %_ptr_Input_v4float Input\n";
2565                                         s << "    %v2float = OpTypeVector %float 2\n";
2566                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2567                                         s << "  %normalpos = OpVariable %_ptr_Input_v2float Input\n";
2568                                         s << "     %vIndex = OpVariable %_ptr_Input_int Input\n";
2569                                         s << "     %gIndex = OpVariable %_ptr_Input_int Input\n";
2570                                         s << "     %bIndex = OpVariable %_ptr_Input_int Input\n";
2571                                         s << "     %aIndex = OpVariable %_ptr_Input_int Input\n";
2572                                         s << "       %main = OpFunction %void None %3\n";
2573                                         s << "          %5 = OpLabel\n";
2574                                         s << "         %17 = OpLoad %int %rIndex\n";
2575                                         s << "         %18 = OpCopyObject %int %17\n";
2576                                         s << "         %21 = OpAccessChain %_ptr_StorageBuffer_v4float %data %18 %int_1\n";
2577                                         s << "         %22 = OpLoad %v4float %21\n";
2578                                         s << "               OpStore %FragColor %22\n";
2579                                         s << "               OpReturn\n";
2580                                         s << "               OpFunctionEnd\n";
2581                                         break;
2582                                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
2583                                         s << "               OpCapability Shader\n";
2584                                         s << "               OpCapability ShaderNonUniform\n";
2585                                         s << "               OpCapability RuntimeDescriptorArray\n";
2586                                         s << "               OpCapability UniformBufferArrayNonUniformIndexing\n";
2587                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2588                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2589                                         s << "               OpMemoryModel Logical GLSL450\n";
2590                                         s << "               OpEntryPoint Fragment %main \"main\" %FragColor %data %rIndex %position %normalpos %vIndex %gIndex %bIndex %aIndex\n";
2591                                         s << "               OpExecutionMode %main OriginUpperLeft\n";
2592                                         s << "               OpSource GLSL 450\n";
2593                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2594                                         s << "               OpName %main \"main\"\n";
2595                                         s << "               OpName %FragColor \"FragColor\"\n";
2596                                         s << "               OpName %Data \"Data\"\n";
2597                                         s << "               OpMemberName %Data 0 \"c\"\n";
2598                                         s << "               OpName %data \"data\"\n";
2599                                         s << "               OpName %rIndex \"rIndex\"\n";
2600                                         s << "               OpName %position \"position\"\n";
2601                                         s << "               OpName %normalpos \"normalpos\"\n";
2602                                         s << "               OpName %vIndex \"vIndex\"\n";
2603                                         s << "               OpName %gIndex \"gIndex\"\n";
2604                                         s << "               OpName %bIndex \"bIndex\"\n";
2605                                         s << "               OpName %aIndex \"aIndex\"\n";
2606                                         s << "               OpDecorate %FragColor Location 0\n";
2607                                         s << "               OpMemberDecorate %Data 0 Offset 0\n";
2608                                         s << "               OpDecorate %Data Block\n";
2609                                         s << "               OpDecorate %data DescriptorSet 0\n";
2610                                         s << "               OpDecorate %data Binding 1\n";
2611                                         s << "               OpDecorate %rIndex Flat\n";
2612                                         s << "               OpDecorate %rIndex Location 3\n";
2613                                         // s << "               OpDecorate %18 NonUniform\n";
2614                                         s << "               OpDecorate %21 NonUniform\n";
2615                                         // s << "               OpDecorate %22 NonUniform\n";
2616                                         s << "               OpDecorate %position Flat\n";
2617                                         s << "               OpDecorate %position Location 0\n";
2618                                         s << "               OpDecorate %normalpos Flat\n";
2619                                         s << "               OpDecorate %normalpos Location 1\n";
2620                                         s << "               OpDecorate %vIndex Flat\n";
2621                                         s << "               OpDecorate %vIndex Location 2\n";
2622                                         s << "               OpDecorate %gIndex Flat\n";
2623                                         s << "               OpDecorate %gIndex Location 4\n";
2624                                         s << "               OpDecorate %bIndex Flat\n";
2625                                         s << "               OpDecorate %bIndex Location 5\n";
2626                                         s << "               OpDecorate %aIndex Flat\n";
2627                                         s << "               OpDecorate %aIndex Location 6\n";
2628                                         s << "       %void = OpTypeVoid\n";
2629                                         s << "          %3 = OpTypeFunction %void\n";
2630                                         s << "      %float = OpTypeFloat 32\n";
2631                                         s << "    %v4float = OpTypeVector %float 4\n";
2632                                         s << "%_ptr_Output_v4float = OpTypePointer Output %v4float\n";
2633                                         s << "  %FragColor = OpVariable %_ptr_Output_v4float Output\n";
2634                                         s << "       %Data = OpTypeStruct %v4float\n";
2635                                         s << "%_runtimearr_Data = OpTypeRuntimeArray %Data\n";
2636                                         s << "%_ptr_Uniform__runtimearr_Data = OpTypePointer Uniform %_runtimearr_Data\n";
2637                                         s << "       %data = OpVariable %_ptr_Uniform__runtimearr_Data Uniform\n";
2638                                         s << "        %int = OpTypeInt 32 1\n";
2639                                         s << "%_ptr_Input_int = OpTypePointer Input %int\n";
2640                                         s << "     %rIndex = OpVariable %_ptr_Input_int Input\n";
2641                                         s << "      %int_0 = OpConstant %int 0\n";
2642                                         s << "%_ptr_Uniform_v4float = OpTypePointer Uniform %v4float\n";
2643                                         s << "%_ptr_Input_v4float = OpTypePointer Input %v4float\n";
2644                                         s << "   %position = OpVariable %_ptr_Input_v4float Input\n";
2645                                         s << "    %v2float = OpTypeVector %float 2\n";
2646                                         s << "%_ptr_Input_v2float = OpTypePointer Input %v2float\n";
2647                                         s << "  %normalpos = OpVariable %_ptr_Input_v2float Input\n";
2648                                         s << "     %vIndex = OpVariable %_ptr_Input_int Input\n";
2649                                         s << "     %gIndex = OpVariable %_ptr_Input_int Input\n";
2650                                         s << "     %bIndex = OpVariable %_ptr_Input_int Input\n";
2651                                         s << "     %aIndex = OpVariable %_ptr_Input_int Input\n";
2652                                         s << "       %main = OpFunction %void None %3\n";
2653                                         s << "          %5 = OpLabel\n";
2654                                         s << "         %17 = OpLoad %int %rIndex\n";
2655                                         s << "         %18 = OpCopyObject %int %17\n";
2656                                         s << "         %21 = OpAccessChain %_ptr_Uniform_v4float %data %18 %int_0\n";
2657                                         s << "         %22 = OpLoad %v4float %21\n";
2658                                         s << "               OpStore %FragColor %22\n";
2659                                         s << "               OpReturn\n";
2660                                         s << "               OpFunctionEnd\n";
2661                                         break;
2662                                 default:
2663                                         TCU_THROW(InternalError, "Unexpected descriptor type");
2664                         }
2665                     break;
2666                 case VK_SHADER_STAGE_COMPUTE_BIT:
2667                         switch (testCaseParams.descriptorType)
2668                         {
2669                                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
2670                                         s << "               OpCapability Shader\n";
2671                                         s << "               OpCapability ShaderNonUniform\n";
2672                                         s << "               OpCapability RuntimeDescriptorArray\n";
2673                                         s << "               OpCapability StorageImageArrayNonUniformIndexing\n";
2674                                         s << "               OpExtension \"SPV_EXT_descriptor_indexing\"\n";
2675                                         s << "          %1 = OpExtInstImport \"GLSL.std.450\"\n";
2676                                         s << "               OpMemoryModel Logical GLSL450\n";
2677                                         s << "               OpEntryPoint GLCompute %main \"main\" %idxs %gl_WorkGroupID %data\n";
2678                                         s << "               OpExecutionMode %main LocalSize 1 1 1\n";
2679                                         s << "               OpSource GLSL 450\n";
2680                                         s << "               OpSourceExtension \"GL_EXT_nonuniform_qualifier\"\n";
2681                                         s << "               OpName %main \"main\"\n";
2682                                         s << "               OpName %c \"c\"\n";
2683                                         s << "               OpName %idxs \"idxs\"\n";
2684                                         s << "               OpName %gl_WorkGroupID \"gl_WorkGroupID\"\n";
2685                                         s << "               OpName %data \"data\"\n";
2686                                         s << "               OpDecorate %idxs DescriptorSet 0\n";
2687                                         s << "               OpDecorate %idxs Binding 12\n";
2688                                         s << "               OpDecorate %gl_WorkGroupID BuiltIn WorkgroupId\n";
2689                                         s << "               OpDecorate %data DescriptorSet 0\n";
2690                                         s << "               OpDecorate %data Binding 11\n";
2691                                         // s << "               OpDecorate %36 NonUniform\n";
2692                                         // s << "               OpDecorate %37 NonUniform\n";
2693                                         s << "               OpDecorate %41 NonUniform\n";
2694                                         s << "               OpDecorate %gl_WorkGroupSize BuiltIn WorkgroupSize\n";
2695                                         s << "       %void = OpTypeVoid\n";
2696                                         s << "          %3 = OpTypeFunction %void\n";
2697                                         s << "       %uint = OpTypeInt 32 0\n";
2698                                         s << "     %v4uint = OpTypeVector %uint 4\n";
2699                                         s << "%_ptr_Function_v4uint = OpTypePointer Function %v4uint\n";
2700                                         s << "         %10 = OpTypeImage %uint 2D 0 0 0 2 R32ui\n";
2701                                         s << "%_ptr_UniformConstant_10 = OpTypePointer UniformConstant %10\n";
2702                                         s << "       %idxs = OpVariable %_ptr_UniformConstant_10 UniformConstant\n";
2703                                         s << "     %v3uint = OpTypeVector %uint 3\n";
2704                                         s << "%_ptr_Input_v3uint = OpTypePointer Input %v3uint\n";
2705                                         s << "%gl_WorkGroupID = OpVariable %_ptr_Input_v3uint Input\n";
2706                                         s << "     %uint_0 = OpConstant %uint 0\n";
2707                                         s << "%_ptr_Input_uint = OpTypePointer Input %uint\n";
2708                                         s << "        %int = OpTypeInt 32 1\n";
2709                                         s << "     %uint_1 = OpConstant %uint 1\n";
2710                                         s << "      %v2int = OpTypeVector %int 2\n";
2711                                         s << "%_runtimearr_10 = OpTypeRuntimeArray %10\n";
2712                                         s << "%_ptr_UniformConstant__runtimearr_10 = OpTypePointer UniformConstant %_runtimearr_10\n";
2713                                         s << "       %data = OpVariable %_ptr_UniformConstant__runtimearr_10 UniformConstant\n";
2714                                         s << "%_ptr_Function_uint = OpTypePointer Function %uint\n";
2715                                         s << "      %int_0 = OpConstant %int 0\n";
2716                                         s << "         %39 = OpConstantComposite %v2int %int_0 %int_0\n";
2717                                         s << "%_ptr_Image_uint = OpTypePointer Image %uint\n";
2718                                         s << "%gl_WorkGroupSize = OpConstantComposite %v3uint %uint_1 %uint_1 %uint_1\n";
2719                                         s << "       %main = OpFunction %void None %3\n";
2720                                         s << "          %5 = OpLabel\n";
2721                                         s << "          %c = OpVariable %_ptr_Function_v4uint Function\n";
2722                                         s << "         %13 = OpLoad %10 %idxs\n";
2723                                         s << "         %19 = OpAccessChain %_ptr_Input_uint %gl_WorkGroupID %uint_0\n";
2724                                         s << "         %20 = OpLoad %uint %19\n";
2725                                         s << "         %22 = OpBitcast %int %20\n";
2726                                         s << "         %24 = OpAccessChain %_ptr_Input_uint %gl_WorkGroupID %uint_1\n";
2727                                         s << "         %25 = OpLoad %uint %24\n";
2728                                         s << "         %26 = OpBitcast %int %25\n";
2729                                         s << "         %28 = OpCompositeConstruct %v2int %22 %26\n";
2730                                         s << "         %29 = OpImageRead %v4uint %13 %28 ZeroExtend\n";
2731                                         s << "               OpStore %c %29\n";
2732                                         s << "         %34 = OpAccessChain %_ptr_Function_uint %c %uint_0\n";
2733                                         s << "         %35 = OpLoad %uint %34\n";
2734                                         s << "         %36 = OpCopyObject %uint %35\n";
2735                                         s << "         %37 = OpAccessChain %_ptr_UniformConstant_10 %data %36\n";
2736                                         s << "         %41 = OpImageTexelPointer %_ptr_Image_uint %37 %39 %uint_0\n";
2737                                         s << "         %42 = OpAtomicIAdd %uint %41 %uint_1 %uint_0 %uint_1\n";
2738                                         s << "               OpReturn\n";
2739                                         s << "               OpFunctionEnd\n";
2740                                         break;
2741                                 default:
2742                                         TCU_THROW(InternalError, "Unexpected descriptor type");
2743                         }
2744                         break;
2745                 default:
2746                         TCU_THROW(InternalError, "Unexpected stage");
2747         }
2748
2749         return s.str();
2750 }
2751
2752 std::string CommonDescriptorInstance::getShaderSource                           (VkShaderStageFlagBits                                          shaderType,
2753                                                                                                                                          const TestCaseParams&                                          testCaseParams,
2754                                                                                                                                          bool                                                                           allowVertexStoring)
2755 {
2756         std::stringstream       s;
2757
2758         s << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << '\n';
2759         s << "#extension GL_EXT_nonuniform_qualifier : require  \n";
2760
2761         if (testCaseParams.calculateInLoop)
2762         {
2763                 s << "layout(push_constant)     uniform Block { int lowerBound, upperBound; } pc;\n";
2764                 s << substBinding(BINDING_DescriptorEnumerator,
2765                         "layout(set=1,binding=${?}) uniform isamplerBuffer iter;        \n");
2766         }
2767
2768         switch (testCaseParams.descriptorType)
2769         {
2770                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2771                         s << substBinding(BINDING_StorageBuffer,
2772                                 "layout(set=0,binding=${?}) buffer Data { vec4 cnew, cold; } data[]; \n");
2773                         break;
2774                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
2775                         s << substBinding(BINDING_StorageBufferDynamic,
2776                                 "layout(set=0,binding=${?}) buffer Data { vec4 cnew, cold; } data[]; \n");
2777                         break;
2778                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
2779                         s << substBinding(BINDING_UniformBuffer,
2780                                 "layout(set=0,binding=${?}) uniform Data { vec4 c; } data[]; \n");
2781                         break;
2782                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
2783                         s << substBinding(BINDING_UniformBufferDynamic,
2784                                 "layout(set=0,binding=${?}) uniform Data { vec4 c; } data[]; \n");
2785                         break;
2786                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
2787                         s << substBinding(BINDING_StorageTexelBuffer,
2788                                 "layout(set=0,binding=${?},rgba32f) uniform imageBuffer data[];\n");
2789                         break;
2790                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
2791                         s << "#extension GL_EXT_texture_buffer : require        \n";
2792                         s << substBinding(BINDING_UniformTexelBuffer,
2793                                 "layout(set=0,binding=${?}) uniform samplerBuffer data[];\n");
2794                         break;
2795                 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
2796                         // Left for the consistent of code.
2797                         // Header is set one swicth below
2798                         break;
2799                 case VK_DESCRIPTOR_TYPE_SAMPLER:
2800                         s << "#extension GL_EXT_texture_buffer : require        \n";
2801                         s << substBinding(BINDING_SampledImage,
2802                                 "layout(set=0,binding=${?}) uniform texture2D ${VAR}[${*}];\n", 1, "tex");
2803                         s << substBinding(BINDING_Sampler,
2804                                 "layout(set=0,binding=${?}) uniform sampler ${VAR}[${*}];\n");
2805                         break;
2806                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
2807                         s << "#extension GL_EXT_texture_buffer : require        \n";
2808                         s << substBinding(BINDING_Sampler,
2809                                 "layout(set=0,binding=${?}) uniform sampler ${VAR}[${*}];\n", 1, "samp");
2810                         s << substBinding(BINDING_SampledImage,
2811                                 "layout(set=0,binding=${?}) uniform texture2D ${VAR}[${*}];\n");
2812                         break;
2813                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
2814                         s << "#extension GL_EXT_texture_buffer : require        \n";
2815                         s << substBinding(BINDING_CombinedImageSampler,
2816                                 "layout(set=0,binding=${?}) uniform sampler2D data[];\n");
2817                         break;
2818                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
2819                         s << "layout(local_size_x=1,local_size_y=1,local_size_z=1) in;  \n";
2820                         s << substBinding(BINDING_StorageImage + 1,
2821                                 "layout(r32ui,set=0,binding=${?}) uniform uimage2D idxs;        \n");
2822                         s << substBinding(BINDING_StorageImage,
2823                                 "layout(r32ui,set=0,binding=${?}) uniform uimage2D data[];      \n");
2824                         break;
2825                 default:
2826                         TCU_THROW(InternalError, "Not implemented descriptor type");
2827         }
2828
2829         switch (shaderType)
2830         {
2831                 case VK_SHADER_STAGE_VERTEX_BIT:        s << getVertexShaderProlog();   break;
2832                 case VK_SHADER_STAGE_FRAGMENT_BIT:
2833                         {
2834                                 if (testCaseParams.descriptorType == VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT)
2835                                 {
2836                                         s << substBinding(BINDING_InputAttachment,
2837                                                 "layout(input_attachment_index=1,set=0,binding=${?}) uniform subpassInput data[];       \n");
2838                                 }
2839                                 s << getFragmentShaderProlog();
2840                         }
2841                         break;
2842                 case VK_SHADER_STAGE_COMPUTE_BIT:
2843                         break;
2844                 default:
2845                         TCU_THROW(InternalError, "Not implemented shader stage");
2846         }
2847
2848         switch (shaderType)
2849         {
2850                 case VK_SHADER_STAGE_VERTEX_BIT:
2851                 {
2852                         switch (testCaseParams.descriptorType)
2853                         {
2854                         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2855                         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
2856                                 if (allowVertexStoring)
2857                                         s << "  if (gIndex != 0) data[nonuniformEXT(gIndex)].cnew = data[nonuniformEXT(rIndex)].cold;   \n";
2858                                 break;
2859                         case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
2860                                 if (allowVertexStoring)
2861                                         s << "  if (gIndex != 0) imageStore(data[nonuniformEXT(gIndex)], 1, imageLoad(data[nonuniformEXT(rIndex)], 0)); \n";
2862                                 break;
2863                         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
2864                         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
2865                         case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
2866                         case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
2867                         case VK_DESCRIPTOR_TYPE_SAMPLER:
2868                         case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
2869                         case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
2870                                 break;
2871
2872                         default:
2873                                 TCU_THROW(InternalError, "Not implemented descriptor type");
2874                         }
2875                 }
2876                 break;
2877
2878                 case VK_SHADER_STAGE_FRAGMENT_BIT:
2879                 {
2880                         switch (testCaseParams.descriptorType)
2881                         {
2882                         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
2883                         case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
2884                         case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
2885                                 {
2886                                         if (testCaseParams.calculateInLoop)
2887                                                 s << getFragmentLoopSource(
2888                                                         getColorAccess(testCaseParams.descriptorType, "rIndex", false),
2889                                                         getColorAccess(testCaseParams.descriptorType, "loopIdx", false));
2890                                         else
2891                                                 s << getFragmentReturnSource(getColorAccess(testCaseParams.descriptorType, "rIndex", false));
2892                                 }
2893                                 break;
2894                         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
2895                         case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
2896                         case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
2897                         case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
2898                         case VK_DESCRIPTOR_TYPE_SAMPLER:
2899                         case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
2900                         case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
2901                                 if (testCaseParams.calculateInLoop)
2902                                         s << getFragmentLoopSource(
2903                                                 getColorAccess(testCaseParams.descriptorType, "rIndex", testCaseParams.usesMipMaps),
2904                                                 getColorAccess(testCaseParams.descriptorType, "loopIdx", testCaseParams.usesMipMaps));
2905                                 else
2906                                         s << getFragmentReturnSource(getColorAccess(testCaseParams.descriptorType, "rIndex", testCaseParams.usesMipMaps));
2907                                 break;
2908                         default:        TCU_THROW(InternalError, "Not implemented descriptor type");
2909                         }
2910                 }
2911                 break;
2912
2913                 case VK_SHADER_STAGE_COMPUTE_BIT: // VK_DESCRIPTOR_TYPE_STORAGE_IMAGE
2914                         s << "void main(void)\n{\n";
2915                         if (testCaseParams.calculateInLoop)
2916                                 s << "  for (int i = pc.lowerBound; i < pc.upperBound; ++i)     \n"
2917                                         "    imageAtomicAdd(data[nonuniformEXT(texelFetch(iter, i).x)], ivec2(0, 0), 1);                        \n";
2918                         else
2919                                 s << "  uvec4 c = imageLoad(idxs, ivec2(gl_WorkGroupID.x, gl_WorkGroupID.y));   \n"
2920                                         "  imageAtomicAdd( data[nonuniformEXT(c.r)], ivec2(0, 0), 1);                                                           \n";
2921                         break;
2922
2923                 default:        TCU_THROW(InternalError, "Not implemented shader stage");
2924         }
2925
2926         s << getShaderEpilog();
2927
2928         return s.str();
2929 }
2930
2931 class StorageBufferInstance : virtual public CommonDescriptorInstance
2932 {
2933 public:
2934                                                                 StorageBufferInstance                           (Context&                                                                       context,
2935                                                                                                                                          const TestCaseParams&                                          testCaseParams);
2936 protected:
2937         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
2938
2939         virtual bool                            verifyVertexWriteResults                        (IterateCommonVariables&                                        variables);
2940 };
2941
2942 StorageBufferInstance::StorageBufferInstance                                            (Context&                                                                       context,
2943                                                                                                                                          const TestCaseParams&                                          testCaseParams)
2944         : CommonDescriptorInstance(context,
2945                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
2946                         VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
2947                         BINDING_StorageBuffer,
2948                         VK_DESCRIPTOR_TYPE_UNDEFINED,
2949                         BINDING_Undefined,
2950                         false,
2951                         performWritesInVertex(testCaseParams.descriptorType, context),
2952                         testCaseParams))
2953 {
2954 }
2955
2956 void StorageBufferInstance::createAndPopulateDescriptors                        (IterateCommonVariables&                                        variables)
2957 {
2958         BindingStorageBuffer::Data      data;
2959
2960         bool                                            vertexStores = false;
2961         {
2962                 ut::DeviceProperties dp(m_context);
2963                 vertexStores = dp.physicalDeviceFeatures().vertexPipelineStoresAndAtomics != DE_FALSE;
2964         }
2965         const deUint32                          alignment       = static_cast<deUint32>(ut::DeviceProperties(m_context).physicalDeviceProperties().limits.minStorageBufferOffsetAlignment);
2966         createBuffers(variables.descriptorsBufferInfos, variables.descriptorsBuffer, variables.validDescriptorCount, sizeof(data), alignment, VK_BUFFER_USAGE_STORAGE_BUFFER_BIT);
2967
2968         unsigned char*                          buffer          = static_cast<unsigned char*>(variables.descriptorsBuffer->alloc->getHostPtr());
2969         for (deUint32 infoIdx = 0; infoIdx < variables.validDescriptorCount; ++infoIdx)
2970         {
2971                 const float                             component       = m_colorScheme[infoIdx % m_schemeSize];
2972                 const tcu::Vec4                 color           (component, component, component, 1.0f);
2973                 VkDescriptorBufferInfo& info            = variables.descriptorsBufferInfos[infoIdx];
2974                 data.cnew                                                       = vertexStores ? m_clearColor : color;
2975                 data.cold                                                       = color;
2976
2977                 deMemcpy(buffer + info.offset, &data, sizeof(data));
2978         }
2979         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
2980
2981         variables.dataAlignment = deAlign64(sizeof(data), alignment);
2982 }
2983
2984 bool StorageBufferInstance::verifyVertexWriteResults                            (IterateCommonVariables&                                        variables)
2985 {
2986         const tcu::Vec4                         threshold               (0.002f, 0.002f, 0.002f, 0.002f);
2987         const std::vector<deUint32>     primes                  = ut::generatePrimes(variables.availableDescriptorCount);
2988
2989         unsigned char*                          buffer = static_cast<unsigned char*>(variables.descriptorsBuffer->alloc->getHostPtr());
2990         BindingStorageBuffer::Data      data;
2991         for (deUint32 primeIdx = 0; primeIdx < variables.validDescriptorCount; ++primeIdx)
2992         {
2993                 const deUint32                  prime           = primes[primeIdx];
2994                 const float                             component       = m_colorScheme[(prime % variables.validDescriptorCount) % m_schemeSize];
2995                 const tcu::Vec4                 referenceValue(component, component, component, 1.0f);
2996
2997                 VkDescriptorBufferInfo& info = variables.descriptorsBufferInfos[primeIdx];
2998                 deMemcpy(&data, buffer + info.offset, sizeof(data));
2999                 const tcu::Vec4                 realValue = data.cnew;
3000
3001                 const tcu::Vec4                 diff = tcu::absDiff(referenceValue, realValue);
3002                 if (!tcu::boolAll(tcu::lessThanEqual(diff, threshold)))
3003                         return false;
3004         }
3005         return true;
3006 }
3007
3008 class UniformBufferInstance : virtual public CommonDescriptorInstance
3009 {
3010 public:
3011                                                                 UniformBufferInstance                           (Context&                                                                       context,
3012                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3013 protected:
3014         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3015 };
3016
3017 UniformBufferInstance::UniformBufferInstance                                            (Context&                                                                       context,
3018                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3019         : CommonDescriptorInstance(context,
3020                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3021                         VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
3022                         BINDING_UniformBuffer,
3023                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3024                         BINDING_Undefined,
3025                         false,
3026                         performWritesInVertex(testCaseParams.descriptorType, context),
3027                         testCaseParams))
3028 {
3029 }
3030
3031 void UniformBufferInstance::createAndPopulateDescriptors                        (IterateCommonVariables&                                        variables)
3032 {
3033         BindingUniformBuffer::Data data;
3034
3035         const deUint32                          alignment       = static_cast<deUint32>(ut::DeviceProperties(m_context).physicalDeviceProperties().limits.minUniformBufferOffsetAlignment);
3036         createBuffers(variables.descriptorsBufferInfos, variables.descriptorsBuffer, variables.validDescriptorCount, sizeof(data), alignment, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT);
3037
3038         unsigned char*                          buffer          = static_cast<unsigned char*>(variables.descriptorsBuffer->alloc->getHostPtr());
3039         for (deUint32 infoIdx = 0; infoIdx < variables.validDescriptorCount; ++infoIdx)
3040         {
3041                 const float                             component       = m_colorScheme[infoIdx % m_schemeSize];
3042                 VkDescriptorBufferInfo& info            = variables.descriptorsBufferInfos[infoIdx];
3043                 data.c                                                          = tcu::Vec4(component, component, component, 1.0f);
3044                 deMemcpy(buffer + info.offset, &data, sizeof(data));
3045         }
3046         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3047
3048         variables.dataAlignment = deAlign64(sizeof(data), alignment);
3049 }
3050
3051 class StorageTexelInstance : public CommonDescriptorInstance
3052 {
3053 public:
3054                                                                 StorageTexelInstance                            (Context&                                                                       context,
3055                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3056 private:
3057         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3058
3059         virtual bool                            verifyVertexWriteResults                        (IterateCommonVariables&                                        variables);
3060 };
3061
3062 StorageTexelInstance::StorageTexelInstance                                                      (Context&                                                                       context,
3063                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3064         : CommonDescriptorInstance(context,
3065                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3066                         VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
3067                         BINDING_StorageTexelBuffer,
3068                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3069                         BINDING_Undefined,
3070                         false,
3071                         performWritesInVertex(testCaseParams.descriptorType, context),
3072                         testCaseParams))
3073 {
3074 }
3075
3076 void StorageTexelInstance::createAndPopulateDescriptors                 (IterateCommonVariables&                                        variables)
3077 {
3078         const VkExtent3D                        imageExtent                     = { 4, 4, 1 };
3079         const deUint32                          imageSize                       = ut::computeImageSize(imageExtent, m_colorFormat);
3080
3081         createBuffers(variables.descriptorsBufferInfos, variables.descriptorsBuffer, variables.validDescriptorCount, imageSize, sizeof(tcu::Vec4), VK_BUFFER_USAGE_STORAGE_TEXEL_BUFFER_BIT);
3082         createBuffersViews(variables.descriptorsBufferViews, variables.descriptorsBufferInfos, m_colorFormat);
3083
3084         for (deUint32 imageIdx = 0; imageIdx < variables.validDescriptorCount; ++imageIdx)
3085         {
3086                 const float                             component                       = m_colorScheme[imageIdx % m_schemeSize];
3087                 const PixelBufferAccess pa                                      = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer);
3088
3089                 tcu::clear(pa, m_clearColor);
3090                 pa.setPixel(tcu::Vec4(component, component, component, 1.0f), 0, 0);
3091         }
3092         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3093 }
3094
3095 bool StorageTexelInstance::verifyVertexWriteResults(IterateCommonVariables&                                     variables)
3096 {
3097         const VkExtent3D                        imageExtent             = { 4, 4, 1 };
3098         const tcu::Vec4                         threshold               (0.002f, 0.002f, 0.002f, 0.002f);
3099         const std::vector<deUint32>     primes                  = ut::generatePrimes(variables.availableDescriptorCount);
3100
3101         for (deUint32 primeIdx = 0; primeIdx < variables.validDescriptorCount; ++primeIdx)
3102         {
3103                 const deUint32                  prime           = primes[primeIdx];
3104                 const float                             component       = m_colorScheme[( prime % variables.validDescriptorCount ) % m_schemeSize];
3105                 const tcu::Vec4                 referenceValue(component, component, component, 1.0f);
3106
3107                 const PixelBufferAccess pa                      = getPixelAccess(primeIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer);
3108                 const tcu::Vec4                 realValue       = pa.getPixel(1, 0);
3109
3110                 const tcu::Vec4                 diff            = tcu::absDiff(referenceValue, realValue);
3111                 if (!tcu::boolAll(tcu::lessThanEqual(diff, threshold)))
3112                         return false;
3113         }
3114         return true;
3115 }
3116
3117 class UniformTexelInstance : public CommonDescriptorInstance
3118 {
3119 public:
3120                                                                 UniformTexelInstance                            (Context&                                                                       context,
3121                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3122 private:
3123         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3124 };
3125
3126 UniformTexelInstance::UniformTexelInstance                                                      (Context&                                                                       context,
3127                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3128         : CommonDescriptorInstance(context,
3129                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3130                         VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
3131                         BINDING_UniformTexelBuffer,
3132                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3133                         BINDING_Undefined,
3134                         false,
3135                         performWritesInVertex(testCaseParams.descriptorType, context),
3136                         testCaseParams))
3137 {
3138 }
3139
3140 void UniformTexelInstance::createAndPopulateDescriptors                         (IterateCommonVariables&                                        variables)
3141 {
3142         const VkExtent3D                        imageExtent     = { 4, 4, 1 };
3143         const deUint32                          imageSize       = ut::computeImageSize(imageExtent, m_colorFormat);
3144
3145         createBuffers(variables.descriptorsBufferInfos, variables.descriptorsBuffer, variables.validDescriptorCount, imageSize, sizeof(tcu::Vec4), VK_BUFFER_USAGE_UNIFORM_TEXEL_BUFFER_BIT);
3146         createBuffersViews(variables.descriptorsBufferViews, variables.descriptorsBufferInfos, m_colorFormat);
3147
3148         for (deUint32 imageIdx = 0; imageIdx < variables.validDescriptorCount; ++imageIdx)
3149         {
3150                 const float                             component       = m_colorScheme[imageIdx % m_schemeSize];
3151                 const PixelBufferAccess pa                      = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer);
3152
3153                 tcu::clear(pa, tcu::Vec4(component, component, component, 1.0f));
3154         }
3155         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3156 }
3157
3158 class DynamicBuffersInstance : virtual public CommonDescriptorInstance
3159 {
3160 public:
3161         DynamicBuffersInstance                                                                                  (Context&                                                                       context,
3162                                                                                                                                          const TestParams&                                                      testParams)
3163                 : CommonDescriptorInstance(context, testParams) {}
3164
3165 protected:
3166         virtual tcu::TestStatus         iterate                                                         (void);
3167         virtual void                            updateDescriptors                                       (IterateCommonVariables&                                        variables);
3168 };
3169
3170 void DynamicBuffersInstance::updateDescriptors                                          (IterateCommonVariables&                                        variables)
3171 {
3172         DE_ASSERT(variables.dataAlignment);
3173
3174         VkDescriptorBufferInfo  bufferInfo =
3175         {
3176                 *variables.descriptorsBuffer.get()->buffer,
3177                 0,      // always 0, it will be taken from pDynamicOffsets
3178                 variables.dataAlignment
3179         };
3180
3181         VkWriteDescriptorSet updateInfo =
3182         {
3183                 VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                 // sType
3184                 DE_NULL,                                                                                // pNext
3185                 *variables.descriptorSet,                                               // descriptorSet
3186                 m_testParams.descriptorBinding,                                 // descriptorBinding;
3187                 0,      // to be set in below loop                                      // dstArrayElement
3188                 1u,                                                                                             // descriptorCount
3189                 m_testParams.descriptorType,                                    // descriptorType
3190                 DE_NULL,                                                                                // pImageInfo
3191                 &bufferInfo,                                                                    // pBufferInfo
3192                 DE_NULL                                                                                 // pTexelBufferView
3193         };
3194
3195         deUint32 descIdx = 0;
3196         const std::vector<deUint32> primes = ut::generatePrimes(variables.availableDescriptorCount);
3197         for (deUint32 validIdx = 0; validIdx < variables.validDescriptorCount; ++validIdx)
3198         {
3199                 for (; descIdx < primes[validIdx]; ++descIdx)
3200                 {
3201                         updateInfo.dstArrayElement                      = descIdx;
3202                         m_vki.updateDescriptorSets      (m_vkd, 1u, &updateInfo, 0u, DE_NULL);
3203                 }
3204
3205                 updateInfo.dstArrayElement                              = primes[validIdx];
3206                 m_vki.updateDescriptorSets              (m_vkd, 1u, &updateInfo, 0u, DE_NULL);
3207
3208                 ++descIdx;
3209         }
3210         for (; descIdx < variables.availableDescriptorCount; ++descIdx)
3211         {
3212                 updateInfo.dstArrayElement = descIdx;
3213                 m_vki.updateDescriptorSets(m_vkd, 1u, &updateInfo, 0u, DE_NULL);
3214         }
3215 }
3216
3217 tcu::TestStatus DynamicBuffersInstance::iterate                                         (void)
3218 {
3219         IterateCommonVariables  v;
3220         iterateCommandSetup             (v);
3221
3222         ut::UpdatablePixelBufferAccessPtr       programResult;
3223         ut::UpdatablePixelBufferAccessPtr       referenceResult;
3224         bool firstPass = true;
3225
3226         DE_ASSERT(v.dataAlignment);
3227
3228         std::vector<deUint32> dynamicOffsets;
3229
3230         deUint32 descIdx = 0;
3231         const std::vector<deUint32> primes = ut::generatePrimes(v.availableDescriptorCount);
3232         for (deUint32 validIdx = 0; validIdx < v.validDescriptorCount; ++validIdx)
3233         {
3234                 for (; descIdx < primes[validIdx]; ++descIdx)
3235                 {
3236                         dynamicOffsets.push_back(0);
3237                 }
3238
3239                 dynamicOffsets.push_back(static_cast<deUint32>(validIdx * v.dataAlignment));
3240
3241                 ++descIdx;
3242         }
3243         for (; descIdx < v.availableDescriptorCount; ++descIdx)
3244         {
3245                 dynamicOffsets.push_back(0);
3246         }
3247
3248         // Unfortunatelly not lees and not more, only exactly
3249         DE_ASSERT(dynamicOffsets.size() == v.availableDescriptorCount);
3250
3251         const VkDescriptorSet   descriptorSets[] = { *v.descriptorSet };
3252
3253         v.renderArea.extent.width       = m_testParams.frameResolution.width/4;
3254         v.renderArea.extent.height      = m_testParams.frameResolution.height/4;
3255
3256         for (int x = 0; x < 4; x++)
3257                 for (int y= 0; y < 4; y++)
3258                 {
3259
3260                         v.renderArea.offset.x           = x * m_testParams.frameResolution.width/4;
3261                         v.renderArea.offset.y           = y * m_testParams.frameResolution.height/4;
3262
3263                         iterateCommandBegin             (v, firstPass);
3264                         firstPass = false;
3265
3266         m_vki.cmdBindDescriptorSets(
3267                 *v.commandBuffer,                                               // commandBuffer
3268                 VK_PIPELINE_BIND_POINT_GRAPHICS,                // pipelineBindPoint
3269                 *v.pipelineLayout,                                              // layout
3270                 0u,                                                                             // firstSet
3271                 DE_LENGTH_OF_ARRAY(descriptorSets),             // descriptorSetCount
3272                 descriptorSets,                                                 // pDescriptorSets
3273                 v.availableDescriptorCount,                             // dynamicOffsetCount
3274                 dynamicOffsets.data());                                 // pDynamicOffsets
3275
3276                         vk::VkRect2D scissor = makeRect2D(v.renderArea.offset.x, v.renderArea.offset.y, v.renderArea.extent.width, v.renderArea.extent.height);
3277         m_vki.cmdSetScissor(*v.commandBuffer, 0u, 1u, &scissor);
3278
3279         vk::beginRenderPass     (m_vki, *v.commandBuffer, *v.renderPass, *v.frameBuffer->buffer, v.renderArea, m_clearColor);
3280                         m_vki.cmdDraw                   (*v.commandBuffer, v.vertexCount, 1u, 0u, 0u);
3281         vk::endRenderPass       (m_vki, *v.commandBuffer);
3282
3283                         iterateCommandEnd(v, programResult, referenceResult);
3284                         programResult->invalidate();
3285                 }
3286
3287         return (iterateVerifyResults(v, programResult, referenceResult) ? tcu::TestStatus::pass : tcu::TestStatus::fail)("");
3288 }
3289
3290 class DynamicStorageBufferInstance : public DynamicBuffersInstance, public StorageBufferInstance
3291 {
3292 public:
3293         DynamicStorageBufferInstance                                                                    (Context&                                       context,
3294                                                                                                                                          const TestCaseParams&          testCaseParams);
3295         tcu::TestStatus         iterate                                                                         (void);
3296         void                            createAndPopulateDescriptors                            (IterateCommonVariables&        variables);
3297         void                            updateDescriptors                                                       (IterateCommonVariables&        variables);
3298         bool                            verifyVertexWriteResults                                        (IterateCommonVariables&        variables);
3299 };
3300
3301 DynamicStorageBufferInstance::DynamicStorageBufferInstance                      (Context&                                       context,
3302                                                                                                                                          const TestCaseParams&          testCaseParams)
3303         : CommonDescriptorInstance(context,
3304                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3305                         VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC,
3306                         BINDING_StorageBufferDynamic,
3307                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3308                         BINDING_Undefined,
3309                         false,
3310                         performWritesInVertex(testCaseParams.descriptorType, context),
3311                         testCaseParams)),
3312                         DynamicBuffersInstance(context, m_testParams), StorageBufferInstance(context, testCaseParams)
3313 {
3314 }
3315
3316 tcu::TestStatus DynamicStorageBufferInstance::iterate(void)
3317 {
3318         return DynamicBuffersInstance::iterate();
3319 }
3320
3321 void DynamicStorageBufferInstance::createAndPopulateDescriptors(IterateCommonVariables&                 variables)
3322 {
3323         StorageBufferInstance::createAndPopulateDescriptors(variables);
3324 }
3325
3326 void DynamicStorageBufferInstance::updateDescriptors(IterateCommonVariables&                                    variables)
3327 {
3328         DynamicBuffersInstance::updateDescriptors(variables);
3329 }
3330
3331 bool DynamicStorageBufferInstance::verifyVertexWriteResults(IterateCommonVariables&                             variables)
3332 {
3333         return StorageBufferInstance::verifyVertexWriteResults(variables);
3334 }
3335
3336 class DynamicUniformBufferInstance : public DynamicBuffersInstance, public UniformBufferInstance
3337 {
3338 public:
3339         DynamicUniformBufferInstance                                                                    (Context&                                       context,
3340                                                                                                                                          const TestCaseParams&          testCaseParams);
3341         tcu::TestStatus         iterate(void);
3342         void                            createAndPopulateDescriptors(IterateCommonVariables&                                    variables);
3343         void                            updateDescriptors(IterateCommonVariables&                                                               variables);
3344 };
3345
3346 DynamicUniformBufferInstance::DynamicUniformBufferInstance                      (Context&                                       context,
3347                                                                                                                                          const TestCaseParams&          testCaseParams)
3348         : CommonDescriptorInstance(context,
3349                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3350                         VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
3351                         BINDING_UniformBufferDynamic,
3352                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3353                         BINDING_Undefined,
3354                         false,
3355                         performWritesInVertex(testCaseParams.descriptorType, context),
3356                         testCaseParams)),
3357                         DynamicBuffersInstance(context, m_testParams), UniformBufferInstance(context, testCaseParams)
3358 {
3359 }
3360
3361 tcu::TestStatus DynamicUniformBufferInstance::iterate(void)
3362 {
3363         return DynamicBuffersInstance::iterate();
3364 }
3365
3366 void DynamicUniformBufferInstance::createAndPopulateDescriptors(IterateCommonVariables&                 variables)
3367 {
3368         UniformBufferInstance::createAndPopulateDescriptors(variables);
3369 }
3370
3371 void DynamicUniformBufferInstance::updateDescriptors(IterateCommonVariables&                                    variables)
3372 {
3373         DynamicBuffersInstance::updateDescriptors(variables);
3374 }
3375
3376 class InputAttachmentInstance : public CommonDescriptorInstance
3377 {
3378 public:
3379                                                                 InputAttachmentInstance                         (Context&                                                                       context,
3380                                                                                                                                         const TestCaseParams&                                           testCaseParams);
3381 private:
3382         virtual Move<VkRenderPass>      createRenderPass                                        (const IterateCommonVariables&                          variables);
3383         virtual void                            createFramebuffer                                       (ut::FrameBufferSp&                                                     frameBuffer,
3384                                                                                                                                          VkRenderPass                                                           renderPass,
3385                                                                                                                                          const IterateCommonVariables&                          variables);
3386         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3387 };
3388
3389 InputAttachmentInstance::InputAttachmentInstance                                        (Context&                                                                       context,
3390                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3391         : CommonDescriptorInstance(context,
3392                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3393                         VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT,
3394                         BINDING_InputAttachment,
3395                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3396                         BINDING_Undefined,
3397                         true,
3398                         performWritesInVertex(testCaseParams.descriptorType, context),
3399                         testCaseParams))
3400 {
3401 }
3402
3403 void InputAttachmentInstance::createAndPopulateDescriptors                      (IterateCommonVariables&                                        variables)
3404 {
3405         createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, variables.descriptorsBuffer,
3406                 VK_BUFFER_USAGE_TRANSFER_SRC_BIT, m_testParams.frameResolution, m_colorFormat, VK_IMAGE_LAYOUT_UNDEFINED, variables.validDescriptorCount);
3407         createImagesViews(variables.descriptorImageViews, variables.descriptorsImages, m_colorFormat);
3408
3409         for (deUint32 descriptorIdx = 0; descriptorIdx < variables.validDescriptorCount; ++descriptorIdx)
3410         {
3411                 const float                                             component       = m_colorScheme[descriptorIdx % m_schemeSize];
3412                 const tcu::PixelBufferAccess    pa                      = getPixelAccess(descriptorIdx, m_testParams.frameResolution, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer);
3413                 tcu::clear(pa, tcu::Vec4(component, component, component, 1.0f));
3414         }
3415         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3416 }
3417
3418 Move<VkRenderPass> InputAttachmentInstance::createRenderPass            (const IterateCommonVariables&                          variables)
3419 {
3420         std::vector<VkAttachmentDescription>    attachmentDescriptions;
3421         std::vector<VkAttachmentReference>              inputAttachmentRefs;
3422
3423         const VkAttachmentDescription   colorAttachmentDescription =
3424         {
3425                 (VkAttachmentDescriptionFlags)0,                        // VkAttachmentDescriptionFlags         flags;
3426                 m_colorFormat,                                                          // VkFormat                                                     format;
3427                 VK_SAMPLE_COUNT_1_BIT,                                          // VkSampleCountFlagBits                        samples;
3428                 VK_ATTACHMENT_LOAD_OP_CLEAR,                            // VkAttachmentLoadOp                           loadOp;
3429                 VK_ATTACHMENT_STORE_OP_STORE,                           // VkAttachmentStoreOp                          storeOp;
3430                 VK_ATTACHMENT_LOAD_OP_DONT_CARE,                        // VkAttachmentLoadOp                           stencilLoadOp;
3431                 VK_ATTACHMENT_STORE_OP_DONT_CARE,                       // VkAttachmentStoreOp                          stencilStoreOp;
3432                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       // VkImageLayout                                        initialLayout;
3433                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,       // VkImageLayout                                        finalLayout;
3434         };
3435         const VkAttachmentReference             colorAttachmentRef =
3436         {
3437                 0u,                                                                                             // deUint32                                                     attachment;
3438                 VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL                // VkImageLayout                                        layout;
3439         };
3440         attachmentDescriptions.push_back(colorAttachmentDescription);
3441
3442         // build input atachments
3443         {
3444                 const std::vector<deUint32>     primes = ut::generatePrimes(variables.availableDescriptorCount);
3445                 const deUint32 inputCount = static_cast<deUint32>(variables.descriptorImageViews.size());
3446                 for (deUint32 inputIdx = 0; inputIdx < inputCount; ++inputIdx)
3447                 {
3448                         // primes holds the indices of input attachments for shader binding 10 which has input_attachment_index=1
3449                         deUint32 nextInputAttachmentIndex = primes[inputIdx] + 1;
3450
3451                         // Fill up the subpass description's input attachments with unused attachments forming gaps to the next referenced attachment
3452                         for (deUint32 unusedIdx = static_cast<deUint32>(inputAttachmentRefs.size()); unusedIdx < nextInputAttachmentIndex; ++unusedIdx)
3453                         {
3454                                 const VkAttachmentReference             inputAttachmentRef =
3455                                 {
3456                                         VK_ATTACHMENT_UNUSED,                                           // deUint32                                                     attachment;
3457                                         VK_IMAGE_LAYOUT_GENERAL                                         // VkImageLayout                                        layout;
3458                                 };
3459
3460                                 inputAttachmentRefs.push_back(inputAttachmentRef);
3461                         }
3462
3463                         const VkAttachmentDescription   inputAttachmentDescription =
3464                         {
3465                                 VK_ATTACHMENT_DESCRIPTION_MAY_ALIAS_BIT,                // VkAttachmentDescriptionFlags         flags;
3466                                 variables.descriptorsImages[inputIdx]->format,  // VkFormat                                                     format;
3467                                 VK_SAMPLE_COUNT_1_BIT,                                                  // VkSampleCountFlagBits                        samples;
3468                                 VK_ATTACHMENT_LOAD_OP_LOAD,                                             // VkAttachmentLoadOp                           loadOp;
3469                                 VK_ATTACHMENT_STORE_OP_STORE,                                   // VkAttachmentStoreOp                          storeOp;
3470                                 VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                // VkAttachmentLoadOp                           stencilLoadOp;
3471                                 VK_ATTACHMENT_STORE_OP_DONT_CARE,                               // VkAttachmentStoreOp                          stencilStoreOp;
3472                                 VK_IMAGE_LAYOUT_GENERAL,                                                // VkImageLayout                                        initialLayout;
3473                                 VK_IMAGE_LAYOUT_GENERAL                                                 // VkImageLayout                                        finalLayout;
3474                         };
3475
3476                         const VkAttachmentReference             inputAttachmentRef =
3477                         {
3478                                 inputIdx + 1,                                                           // deUint32                                                     attachment;
3479                                 VK_IMAGE_LAYOUT_GENERAL                                         // VkImageLayout                                        layout;
3480                         };
3481
3482                         inputAttachmentRefs.push_back(inputAttachmentRef);
3483                         attachmentDescriptions.push_back(inputAttachmentDescription);
3484                 }
3485         }
3486
3487         const VkSubpassDescription              subpassDescription =
3488         {
3489                 (VkSubpassDescriptionFlags)0,                                           // VkSubpassDescriptionFlags            flags;
3490                 VK_PIPELINE_BIND_POINT_GRAPHICS,                                        // VkPipelineBindPoint                          pipelineBindPoint;
3491                 static_cast<deUint32>(inputAttachmentRefs.size()),      // deUint32                                                     inputAttachmentCount;
3492                 inputAttachmentRefs.data(),                                                     // const VkAttachmentReference*         pInputAttachments;
3493                 1u,                                                                                                     // deUint32                                                     colorAttachmentCount;
3494                 &colorAttachmentRef,                                                            // const VkAttachmentReference*         pColorAttachments;
3495                 DE_NULL,                                                                                        // const VkAttachmentReference*         pResolveAttachments;
3496                 DE_NULL,                                                                                        // const VkAttachmentReference*         pDepthStencilAttachment;
3497                 0u,                                                                                                     // deUint32                                                     preserveAttachmentCount;
3498                 DE_NULL                                                                                         // const deUint32*                                      pPreserveAttachments;
3499         };
3500
3501         const VkRenderPassCreateInfo    renderPassInfo =
3502         {
3503                 VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,                              // VkStructureType                                      sType;
3504                 DE_NULL,                                                                                                // const void*                                          pNext;
3505                 (VkRenderPassCreateFlags)0,                                                             // VkRenderPassCreateFlags                      flags;
3506                 static_cast<deUint32>(attachmentDescriptions.size()),   // deUint32                                                     attachmentCount;
3507                 attachmentDescriptions.data(),                                                  // const VkAttachmentDescription*       pAttachments;
3508                 1u,                                                                                                             // deUint32                                                     subpassCount;
3509                 &subpassDescription,                                                                    // const VkSubpassDescription*          pSubpasses;
3510                 0u,                                                                                                             // deUint32                                                     dependencyCount;
3511                 DE_NULL                                                                                                 // const VkSubpassDependency*           pDependencies;
3512         };
3513
3514         return vk::createRenderPass(m_vki, m_vkd, &renderPassInfo);
3515 }
3516
3517 void InputAttachmentInstance::createFramebuffer                                         (ut::FrameBufferSp&                                                     frameBuffer,
3518                                                                                                                                          VkRenderPass                                                           renderPass,
3519                                                                                                                                          const IterateCommonVariables&                          variables)
3520 {
3521         std::vector<VkImageView>                        inputAttachments;
3522         const deUint32 viewCount = static_cast<deUint32>(variables.descriptorImageViews.size());
3523         inputAttachments.resize(viewCount);
3524         for (deUint32 viewIdx = 0; viewIdx < viewCount; ++viewIdx)
3525         {
3526                 inputAttachments[viewIdx] = **variables.descriptorImageViews[viewIdx];
3527         }
3528         ut::createFrameBuffer(frameBuffer, m_context, m_testParams.frameResolution, m_colorFormat, renderPass, viewCount, inputAttachments.data());
3529 }
3530
3531 class SamplerInstance : public CommonDescriptorInstance
3532 {
3533 public:
3534                                                                 SamplerInstance                                         (Context&                                                                       context,
3535                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3536 private:
3537         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3538         virtual void                            updateDescriptors                                       (IterateCommonVariables&                                        variables);
3539 };
3540
3541 SamplerInstance::SamplerInstance                                                                        (Context&                                                                       context,
3542                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3543         : CommonDescriptorInstance(context,
3544                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3545                         VK_DESCRIPTOR_TYPE_SAMPLER,
3546                         BINDING_Sampler,
3547                         VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
3548                         BINDING_SampledImage,
3549                         true,
3550                         performWritesInVertex(testCaseParams.descriptorType, context),
3551                         testCaseParams))
3552 {
3553 }
3554
3555 void SamplerInstance::updateDescriptors                                                         (IterateCommonVariables&                                        variables)
3556 {
3557         DE_ASSERT(variables.descriptorsImages.size()            == 1);
3558         DE_ASSERT(variables.descriptorImageViews.size()         == 1);
3559         DE_ASSERT(variables.descriptorsBufferInfos.size()       == 1);
3560         DE_ASSERT(m_testParams.additionalDescriptorType         == VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE);
3561         DE_ASSERT(variables.descriptorSamplers.size()           == variables.validDescriptorCount);
3562
3563         // update an image
3564         {
3565                 const VkDescriptorImageInfo imageInfo =
3566                 {
3567                         static_cast<VkSampler>(0),
3568                         **variables.descriptorImageViews[0],
3569                         VK_IMAGE_LAYOUT_GENERAL
3570                 };
3571
3572                 const VkWriteDescriptorSet writeInfo =
3573                 {
3574                         VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                 // sType
3575                         DE_NULL,                                                                                // pNext
3576                         *variables.descriptorSet,                                               // descriptorSet
3577                         BINDING_SampledImage,                                                   // descriptorBinding;
3578                         0,                                                                                              // elementIndex
3579                         1u,                                                                                             // descriptorCount
3580                         VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,                               // descriptorType
3581                         &imageInfo,                                                                             // pImageInfo
3582                         DE_NULL,                                                                                // pBufferInfo
3583                         DE_NULL                                                                                 // pTexelBufferView
3584                 };
3585
3586                 m_vki.updateDescriptorSets(m_vkd, 1u, &writeInfo, 0u, DE_NULL);
3587         }
3588
3589         // update samplers
3590         CommonDescriptorInstance::updateDescriptors(variables);
3591 }
3592
3593 void SamplerInstance::createAndPopulateDescriptors                                      (IterateCommonVariables&                                        variables)
3594 {
3595         DE_ASSERT(variables.descriptorsImages.size()            == 0);
3596         DE_ASSERT(variables.descriptorImageViews.size()         == 0);
3597         DE_ASSERT(variables.descriptorsBufferInfos.size()       == 0);
3598         DE_ASSERT(variables.descriptorSamplers.size()           == 0);
3599
3600         // create and populate an image
3601         {
3602                 VkExtent3D imageExtent = m_testParams.frameResolution;
3603                 if (m_testParams.usesMipMaps)
3604                 {
3605                         imageExtent.width *= 2;
3606                         imageExtent.height *= 2;
3607                 }
3608
3609                 createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, variables.descriptorsBuffer,
3610                         VK_BUFFER_USAGE_TRANSFER_SRC_BIT, imageExtent, m_colorFormat, VK_IMAGE_LAYOUT_UNDEFINED, 1, m_testParams.usesMipMaps);
3611                 createImagesViews(variables.descriptorImageViews, variables.descriptorsImages, m_colorFormat);
3612
3613                 PixelBufferAccess pa = getPixelAccess(0, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, m_testParams.usesMipMaps ? 1 : 0);
3614
3615                 for (deUint32 y = 0, pixelNum = 0; y < m_testParams.frameResolution.height; ++y)
3616                 {
3617                         for (deUint32 x = 0; x < m_testParams.frameResolution.width; ++x, ++pixelNum)
3618                         {
3619                                 const float             component       = m_colorScheme[(pixelNum % variables.validDescriptorCount) % m_schemeSize];
3620                                 pa.setPixel(tcu::Vec4(component, component, component, 1.0f), x, y);
3621                         }
3622                 }
3623
3624                 vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3625         }
3626
3627         const tcu::Sampler sampler(
3628                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                  // wrapS
3629                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                  // wrapT
3630                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                  // wrapR
3631                 m_testParams.usesMipMaps ? tcu::Sampler::LINEAR_MIPMAP_NEAREST : tcu::Sampler::NEAREST, // minFilter
3632                 m_testParams.usesMipMaps ? tcu::Sampler::LINEAR_MIPMAP_NEAREST : tcu::Sampler::NEAREST, // magFilter
3633                 0.0f,                                                                                                                                                                   // lodTreshold
3634                 true);                                                                                                                                                                  // normalizeCoords
3635         const VkSamplerCreateInfo createInfo = vk::mapSampler(sampler, vk::mapVkFormat(m_colorFormat));
3636         variables.descriptorSamplers.resize(variables.validDescriptorCount);
3637
3638         for (deUint32 samplerIdx = 0; samplerIdx < variables.validDescriptorCount; ++samplerIdx)
3639         {
3640                 variables.descriptorSamplers[samplerIdx] = ut::SamplerSp(new Move<VkSampler>(vk::createSampler(m_vki, m_vkd, &createInfo)));
3641         }
3642 }
3643
3644 class SampledImageInstance : public CommonDescriptorInstance
3645 {
3646 public:
3647                                                                 SampledImageInstance                            (Context&                                                                       context,
3648                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3649 private:
3650         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3651         virtual void                            updateDescriptors                                       (IterateCommonVariables&                                        variables);
3652 };
3653
3654 SampledImageInstance::SampledImageInstance                                                      (Context&                                                                       context,
3655                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3656         : CommonDescriptorInstance(context,
3657                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3658                         VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
3659                         BINDING_SampledImage,
3660                         VK_DESCRIPTOR_TYPE_SAMPLER,
3661                         BINDING_Sampler,
3662                         true,
3663                         performWritesInVertex(testCaseParams.descriptorType, context),
3664                         testCaseParams))
3665 {
3666 }
3667
3668 void SampledImageInstance::updateDescriptors                                            (IterateCommonVariables&                                        variables)
3669 {
3670         DE_ASSERT(variables.descriptorSamplers.size()           == 1);
3671         DE_ASSERT(variables.descriptorsImages.size()            == variables.validDescriptorCount);
3672         DE_ASSERT(variables.descriptorImageViews.size()         == variables.validDescriptorCount);
3673         DE_ASSERT(variables.descriptorsBufferInfos.size()       == variables.validDescriptorCount);
3674
3675         // update a sampler
3676         {
3677                 const VkDescriptorImageInfo samplerInfo =
3678                 {
3679                         **variables.descriptorSamplers[0],
3680                         static_cast<VkImageView>(0),
3681                         static_cast<VkImageLayout>(0)
3682                 };
3683
3684                 const VkWriteDescriptorSet writeInfo =
3685                 {
3686                         VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                 // sType
3687                         DE_NULL,                                                                                // pNext
3688                         *variables.descriptorSet,                                               // descriptorSet
3689                         BINDING_Sampler,                                                                // descriptorBinding;
3690                         0,                                                                                              // elementIndex
3691                         1u,                                                                                             // descriptorCount
3692                         VK_DESCRIPTOR_TYPE_SAMPLER,                                             // descriptorType
3693                         &samplerInfo,                                                                   // pImageInfo
3694                         DE_NULL,                                                                                // pBufferInfo
3695                         DE_NULL                                                                                 // pTexelBufferView
3696                 };
3697
3698                 m_vki.updateDescriptorSets(m_vkd, 1u, &writeInfo, 0u, DE_NULL);
3699         }
3700
3701         // update images
3702         CommonDescriptorInstance::updateDescriptors(variables);
3703 }
3704
3705 void SampledImageInstance::createAndPopulateDescriptors                         (IterateCommonVariables&                                        variables)
3706 {
3707         DE_ASSERT(variables.descriptorSamplers.size()           == 0);
3708         DE_ASSERT(variables.descriptorsImages.size()            == 0);
3709         DE_ASSERT(variables.descriptorImageViews.size()         == 0);
3710         DE_ASSERT(variables.descriptorsBufferInfos.size()       == 0);
3711
3712         // create an only one sampler for all images
3713         {
3714                 const tcu::Sampler sampler(
3715                         tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapS
3716                         tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapT
3717                         tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapR
3718                         m_testParams.usesMipMaps ? tcu::Sampler::NEAREST_MIPMAP_NEAREST : tcu::Sampler::NEAREST,        // minFilter
3719                         m_testParams.usesMipMaps ? tcu::Sampler::NEAREST_MIPMAP_NEAREST : tcu::Sampler::NEAREST,        // magFilter
3720                         0.0f,                                                                                                                                                                           // lodTreshold
3721                         true);                                                                                                                                                                          // normalizeCoords
3722                 const VkSamplerCreateInfo createInfo = vk::mapSampler(sampler, vk::mapVkFormat(m_colorFormat));
3723                 variables.descriptorSamplers.push_back(ut::SamplerSp(new Move<VkSampler>(vk::createSampler(m_vki, m_vkd, &createInfo))));
3724         }
3725
3726         const VkExtent3D&                       imageExtent = m_testParams.usesMipMaps ? bigImageExtent : smallImageExtent;
3727
3728         createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, variables.descriptorsBuffer,
3729                 VK_BUFFER_USAGE_TRANSFER_SRC_BIT, imageExtent, m_colorFormat, VK_IMAGE_LAYOUT_UNDEFINED, variables.validDescriptorCount, m_testParams.usesMipMaps);
3730         createImagesViews(variables.descriptorImageViews, variables.descriptorsImages, m_colorFormat);
3731
3732         PixelBufferAccess                       pixelAccess;
3733         for (deUint32 imageIdx = 0; imageIdx < variables.validDescriptorCount; ++imageIdx)
3734         {
3735                 const float                             component       = m_colorScheme[imageIdx % m_schemeSize];
3736
3737                 if (m_testParams.usesMipMaps)
3738                 {
3739                         const deUint32 mipCount = ut::computeMipMapCount(imageExtent);
3740                         DE_ASSERT(mipCount >= 2);
3741                         for (deUint32 mipIdx = 0; mipIdx < mipCount; ++mipIdx)
3742                         {
3743                                 pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, mipIdx);
3744                                 tcu::clear(pixelAccess, m_clearColor);
3745                         }
3746
3747                         pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, mipCount-1);
3748                         pixelAccess.setPixel(tcu::Vec4(component, component, component, 1.0f), 0, 0);
3749                 }
3750                 else
3751                 {
3752                         pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, 0);
3753                         pixelAccess.setPixel(tcu::Vec4(component, component, component, 1.0f), 0, 0);
3754                 }
3755         }
3756         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3757 }
3758
3759 class CombinedImageInstance : public CommonDescriptorInstance
3760 {
3761 public:
3762                                                                 CombinedImageInstance                           (Context&                                                                       context,
3763                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3764 private:
3765         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3766         virtual void                            updateDescriptors                                       (IterateCommonVariables&                                        variables);
3767 };
3768
3769 CombinedImageInstance::CombinedImageInstance                                            (Context&                                                                       context,
3770                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3771         : CommonDescriptorInstance(context,
3772                 TestParams(VK_SHADER_STAGE_ALL_GRAPHICS,
3773                         testCaseParams.descriptorType,
3774                         BINDING_CombinedImageSampler,
3775                         VK_DESCRIPTOR_TYPE_UNDEFINED,
3776                         BINDING_Undefined,
3777                         true,
3778                         performWritesInVertex(testCaseParams.descriptorType),
3779                         testCaseParams))
3780 {
3781 }
3782
3783 void CombinedImageInstance::updateDescriptors                                           (IterateCommonVariables&                                        variables)
3784 {
3785         const std::vector<deUint32>     primes = ut::generatePrimes(variables.availableDescriptorCount);
3786         const deUint32                          primeCount = static_cast<deUint32>(primes.size());
3787
3788         DE_ASSERT(variables.descriptorSamplers.size()           == 1);
3789         DE_ASSERT(variables.descriptorsImages.size()            == primeCount);
3790         DE_ASSERT(variables.descriptorImageViews.size()         == primeCount);
3791         DE_ASSERT(variables.descriptorsBufferInfos.size()       == primeCount);
3792
3793         for (deUint32 primeIdx = 0; primeIdx < primeCount; ++primeIdx)
3794         {
3795                 const VkDescriptorImageInfo imageInfo =
3796                 {
3797                         **variables.descriptorSamplers[0],
3798                         **variables.descriptorImageViews[primeIdx],
3799                         VK_IMAGE_LAYOUT_GENERAL
3800                 };
3801
3802                 const VkWriteDescriptorSet writeInfo =
3803                 {
3804                         VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,                 // sType
3805                         DE_NULL,                                                                                // pNext
3806                         *variables.descriptorSet,                                               // descriptorSet
3807                         BINDING_CombinedImageSampler,                                   // descriptorBinding;
3808                         primes[primeIdx],                                                               // elementIndex
3809                         1u,                                                                                             // descriptorCount
3810                         m_testParams.descriptorType,                                    // descriptorType
3811                         &imageInfo,                                                                             // pImageInfo
3812                         DE_NULL,                                                                                // pBufferInfo
3813                         DE_NULL                                                                                 // pTexelBufferView
3814                 };
3815
3816                 m_vki.updateDescriptorSets(m_vkd, 1u, &writeInfo, 0u, DE_NULL);
3817         }
3818 }
3819
3820 void CombinedImageInstance::createAndPopulateDescriptors                        (IterateCommonVariables&                                        variables)
3821 {
3822         DE_ASSERT(variables.descriptorSamplers.size()           == 0);
3823         DE_ASSERT(variables.descriptorsImages.size()            == 0);
3824         DE_ASSERT(variables.descriptorImageViews.size()         == 0);
3825         DE_ASSERT(variables.descriptorsBufferInfos.size()       == 0);
3826         DE_ASSERT(variables.descriptorSamplers.size()           == 0);
3827
3828         const tcu::Sampler sampler(
3829                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapS
3830                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapT
3831                 tcu::Sampler::CLAMP_TO_BORDER,                                                                                                                          // wrapR
3832                 m_testParams.usesMipMaps ? tcu::Sampler::NEAREST_MIPMAP_NEAREST : tcu::Sampler::NEAREST,        // minFilter
3833                 m_testParams.usesMipMaps ? tcu::Sampler::NEAREST_MIPMAP_NEAREST : tcu::Sampler::NEAREST,        // magFilter
3834                 0.0f,                                                                                                                                                                           // lodTreshold
3835                 true);                                                                                                                                                                          // normalizeCoords
3836         const VkSamplerCreateInfo       createInfo = vk::mapSampler(sampler, vk::mapVkFormat(m_colorFormat));
3837         variables.descriptorSamplers.push_back(ut::SamplerSp(new Move<VkSampler>(vk::createSampler(m_vki, m_vkd, &createInfo))));
3838
3839         const VkExtent3D&                       imageExtent = m_testParams.usesMipMaps ? bigImageExtent : smallImageExtent;
3840         createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, variables.descriptorsBuffer, VK_BUFFER_USAGE_TRANSFER_SRC_BIT,
3841                 imageExtent, m_colorFormat, VK_IMAGE_LAYOUT_UNDEFINED, variables.validDescriptorCount, m_testParams.usesMipMaps);
3842         createImagesViews(variables.descriptorImageViews, variables.descriptorsImages, m_colorFormat);
3843
3844         PixelBufferAccess                       pixelAccess;
3845         for (deUint32 imageIdx = 0; imageIdx < variables.validDescriptorCount; ++imageIdx)
3846         {
3847                 const float                             component = m_colorScheme[imageIdx % m_schemeSize];
3848
3849                 if (m_testParams.usesMipMaps)
3850                 {
3851                         const deUint32  mipCount = ut::computeMipMapCount(imageExtent);
3852                         DE_ASSERT(mipCount >= 2);
3853                         for (deUint32 mipIdx = 0; mipIdx < mipCount; ++mipIdx)
3854                         {
3855                                 pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, mipIdx);
3856                                 tcu::clear(pixelAccess, m_clearColor);
3857                         }
3858
3859                         pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, mipCount-1);
3860                         pixelAccess.setPixel(tcu::Vec4(component, component, component, 1.0f), 0, 0);
3861                 }
3862                 else
3863                 {
3864                         pixelAccess = getPixelAccess(imageIdx, imageExtent, m_colorFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer, 0);
3865                         pixelAccess.setPixel(tcu::Vec4(component, component, component, 1.0f), 0, 0);
3866                 }
3867         }
3868
3869         vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3870 }
3871
3872 class StorageImageInstance : public CommonDescriptorInstance
3873 {
3874 public:
3875                                                                 StorageImageInstance                            (Context&                                                                       context,
3876                                                                                                                                          const TestCaseParams&                                          testCaseParams);
3877 private:
3878         virtual tcu::TestStatus         iterate                                                         (void);
3879         virtual void                            createAndPopulateDescriptors            (IterateCommonVariables&                                        variables);
3880         virtual void                            updateDescriptors                                       (IterateCommonVariables&                                        variables);
3881         virtual void                            iterateCollectResults                           (ut::UpdatablePixelBufferAccessPtr&                     result,
3882                                                                                                                                          const IterateCommonVariables&                          variables,
3883                                                                                                                                          bool                                                                           fromTest);
3884         ut::BufferHandleAllocSp         m_buffer;
3885         const deUint32                          m_fillColor;
3886         typedef deUint32                        m_imageFormat_t;
3887 };
3888
3889 StorageImageInstance::StorageImageInstance                                                      (Context&                                                                       context,
3890                                                                                                                                          const TestCaseParams&                                          testCaseParams)
3891         : CommonDescriptorInstance(context,
3892                 TestParams      (VK_SHADER_STAGE_COMPUTE_BIT,
3893                                         VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
3894                                         BINDING_StorageImage,
3895                                         VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
3896                                         (BINDING_StorageImage + 1),
3897                                         true,
3898                                         performWritesInVertex(testCaseParams.descriptorType, context),
3899                                         testCaseParams))
3900         , m_buffer              ()
3901         , m_fillColor   (10)
3902 {
3903 }
3904
3905 void StorageImageInstance::updateDescriptors                                            (IterateCommonVariables&                                        variables)
3906 {
3907         // update image at last index
3908         {
3909                 VkDescriptorImageInfo           imageInfo =
3910                 {
3911                         static_cast<VkSampler>(0),
3912                         **variables.descriptorImageViews[variables.validDescriptorCount],
3913                         VK_IMAGE_LAYOUT_GENERAL
3914                 };
3915
3916                 const VkWriteDescriptorSet writeInfo =
3917                 {
3918                         VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,         // sType
3919                         DE_NULL,                                                                        // pNext
3920                         *variables.descriptorSet,                                       // descriptorSet
3921                         m_testParams.additionalDescriptorBinding,       // descriptorBinding;
3922                         0,                                                                                      // elementIndex
3923                         1u,                                                                                     // descriptorCount
3924                         m_testParams.additionalDescriptorType,          // descriptorType
3925                         &imageInfo,                                                                     // pImageInfo
3926                         DE_NULL,                                                                        // pBufferInfo
3927                         DE_NULL                                                                         // pTexelBufferView
3928                 };
3929
3930                 m_vki.updateDescriptorSets(m_vkd, 1u, &writeInfo, 0u, DE_NULL);
3931         }
3932
3933         // update rest images
3934         CommonDescriptorInstance::updateDescriptors(variables);
3935 }
3936
3937 void StorageImageInstance::createAndPopulateDescriptors                         (IterateCommonVariables&                                        variables)
3938 {
3939         const VkFormat                          imageFormat = ut::mapType2vkFormat<m_imageFormat_t>::value;
3940         const VkBufferUsageFlags        bufferUsage = VK_BUFFER_USAGE_STORAGE_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;
3941
3942         // create descriptor buffer, images and views
3943         {
3944                 const VkExtent3D                        imageExtent = { 4, 4, 1 };
3945
3946                 createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, variables.descriptorsBuffer,
3947                         bufferUsage, imageExtent, imageFormat, VK_IMAGE_LAYOUT_UNDEFINED, variables.validDescriptorCount);
3948
3949                 for (deUint32 imageIdx = 0; imageIdx < variables.validDescriptorCount; ++imageIdx)
3950                 {
3951                         const PixelBufferAccess pa = getPixelAccess(imageIdx, imageExtent, imageFormat, variables.descriptorsBufferInfos, variables.descriptorsBuffer);
3952                         tcu::clear(pa, tcu::UVec4(m_fillColor));
3953                 }
3954                 vk::flushAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
3955         }
3956
3957         // create additional image that will be used as index container
3958         {
3959                 createImages(variables.descriptorsImages, variables.descriptorsBufferInfos, m_buffer,
3960                         bufferUsage, m_testParams.frameResolution, imageFormat, VK_IMAGE_LAYOUT_UNDEFINED, 1);
3961
3962                 // populate buffer
3963                 const std::vector<deUint32>     primes = ut::generatePrimes(variables.availableDescriptorCount);
3964                 const PixelBufferAccess pa = getPixelAccess(variables.validDescriptorCount, m_testParams.frameResolution, imageFormat, variables.descriptorsBufferInfos, m_buffer);
3965                 for (deUint32 y = 0, pixel = 0; y < m_testParams.frameResolution.height; ++y)
3966                 {
3967                         for (deUint32 x = 0; x < m_testParams.frameResolution.width; ++x, ++pixel)
3968                         {
3969                                 const deUint32 component = primes[pixel % variables.validDescriptorCount];
3970                                 pa.setPixel(tcu::UVec4(component), x, y);
3971                         }
3972                 }
3973
3974                 // save changes
3975                 vk::flushAlloc(m_vki, m_vkd, *m_buffer->alloc);
3976         }
3977
3978         // create views for all previously created images
3979         createImagesViews(variables.descriptorImageViews, variables.descriptorsImages, imageFormat);
3980 }
3981
3982 tcu::TestStatus StorageImageInstance::iterate                                           (void)
3983 {
3984         IterateCommonVariables  v;
3985         iterateCommandSetup             (v);
3986         iterateCommandBegin             (v);
3987
3988         ut::UpdatablePixelBufferAccessPtr       programResult;
3989         ut::UpdatablePixelBufferAccessPtr       referenceResult;
3990
3991         if (m_testParams.updateAfterBind)
3992         {
3993                 updateDescriptors       (v);
3994         }
3995
3996         copyBuffersToImages             (v);
3997
3998         m_vki.cmdDispatch               (*v.commandBuffer,
3999                                                         m_testParams.calculateInLoop ? 1 : v.renderArea.extent.width,
4000                                                         m_testParams.calculateInLoop ? 1 : v.renderArea.extent.height,
4001                                                         1);
4002
4003         copyImagesToBuffers             (v);
4004
4005         iterateCommandEnd(v, programResult, referenceResult, false);
4006
4007         return ( iterateVerifyResults(v, programResult, referenceResult) ? tcu::TestStatus::pass : tcu::TestStatus::fail)("");
4008 }
4009
4010 void StorageImageInstance::iterateCollectResults                                        (ut::UpdatablePixelBufferAccessPtr&                     result,
4011                                                                                                                                          const IterateCommonVariables&                          variables,
4012                                                                                                                                          bool                                                                           fromTest)
4013 {
4014         result = ut::UpdatablePixelBufferAccessPtr(new ut::PixelBufferAccessAllocation(
4015                 vk::mapVkFormat(ut::mapType2vkFormat<m_imageFormat_t>::value), m_testParams.frameResolution));
4016         const PixelBufferAccess& dst = *result.get();
4017
4018         if (fromTest)
4019         {
4020                 vk::invalidateAlloc(m_vki, m_vkd, *variables.descriptorsBuffer->alloc);
4021                 for (deUint32 y = 0, pixelNum = 0; y < m_testParams.frameResolution.height; ++y)
4022                 {
4023                         for (deUint32 x = 0; x < m_testParams.frameResolution.width; ++x, ++pixelNum)
4024                         {
4025                                 const deUint32 imageIdx = pixelNum % variables.validDescriptorCount;
4026                                 const PixelBufferAccess src = getPixelAccess(imageIdx,
4027                                         variables.descriptorsImages[imageIdx]->extent, variables.descriptorsImages[imageIdx]->format,
4028                                         variables.descriptorsBufferInfos, variables.descriptorsBuffer);
4029                                 dst.setPixel(tcu::Vector<m_imageFormat_t, 4>(src.getPixelT<m_imageFormat_t>(0, 0).x()), x, y);
4030                         }
4031                 }
4032         }
4033         else
4034         {
4035                 std::vector<m_imageFormat_t> inc(variables.validDescriptorCount, m_fillColor);
4036
4037                 for (deUint32 invIdx = variables.lowerBound; invIdx < variables.upperBound; ++invIdx)
4038                 {
4039                         ++inc[invIdx % variables.validDescriptorCount];
4040                 }
4041
4042                 for (deUint32 invIdx = 0; invIdx < variables.vertexCount; ++invIdx)
4043                 {
4044                         const deUint32 row = invIdx / m_testParams.frameResolution.width;
4045                         const deUint32 col = invIdx % m_testParams.frameResolution.width;
4046                         const m_imageFormat_t color = inc[invIdx % variables.validDescriptorCount];
4047                         dst.setPixel(tcu::Vector<m_imageFormat_t, 4>(color), col, row);
4048                 }
4049         }
4050 }
4051
4052 class DescriptorIndexingTestCase : public TestCase
4053 {
4054         const TestCaseParams m_testCaseParams;
4055 public:
4056         DescriptorIndexingTestCase (tcu::TestContext &context, const char *name, const char *description, const TestCaseParams& testCaseParams)
4057                 : TestCase(context, name, description)
4058                 , m_testCaseParams(testCaseParams)
4059         {
4060         }
4061
4062         vkt::TestInstance* createInstance (vkt::Context& context) const // override
4063         {
4064                 switch (m_testCaseParams.descriptorType)
4065                 {
4066                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
4067                         return new StorageBufferInstance                (context, m_testCaseParams);
4068                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
4069                         return new UniformBufferInstance                (context, m_testCaseParams);
4070                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
4071                         return new StorageTexelInstance                 (context, m_testCaseParams);
4072                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
4073                         return new UniformTexelInstance                 (context, m_testCaseParams);
4074                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
4075                         return new DynamicStorageBufferInstance (context, m_testCaseParams);
4076                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
4077                         return new DynamicUniformBufferInstance (context, m_testCaseParams);
4078                 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
4079                         return new InputAttachmentInstance              (context, m_testCaseParams);
4080                 case VK_DESCRIPTOR_TYPE_SAMPLER:
4081                         return new SamplerInstance                              (context, m_testCaseParams);
4082                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
4083                         return new SampledImageInstance                 (context, m_testCaseParams);
4084                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
4085                         return new CombinedImageInstance                (context, m_testCaseParams);
4086                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
4087                         return new StorageImageInstance                 (context, m_testCaseParams);
4088                 default:
4089                         TCU_THROW(InternalError, "Unknown Descriptor Type");
4090                 }
4091                 return DE_NULL;
4092         }
4093
4094         virtual void checkSupport (vkt::Context& context) const
4095         {
4096                 context.requireDeviceFunctionality("VK_EXT_descriptor_indexing");
4097
4098                 const vk::VkPhysicalDeviceDescriptorIndexingFeatures& feats = context.getDescriptorIndexingFeatures();
4099
4100                 switch (m_testCaseParams.descriptorType)
4101                 {
4102                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER:
4103                         if (!(feats.shaderStorageBufferArrayNonUniformIndexing))
4104                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over storage buffer descriptor arrays is not supported.");
4105
4106                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingStorageBufferUpdateAfterBind)
4107                                 TCU_THROW(NotSupportedError, "Update after bind for storage buffer descriptors is not supported.");
4108                         break;
4109                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER:
4110                         if (!(feats.shaderUniformBufferArrayNonUniformIndexing))
4111                                 TCU_THROW(NotSupportedError, "Non-uniform indexing for uniform buffer descriptor arrays is not supported.");
4112
4113                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingUniformBufferUpdateAfterBind)
4114                                 TCU_THROW(NotSupportedError, "Update after bind for uniform buffer descriptors is not supported.");
4115                         break;
4116                 case VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER:
4117                         if (!(feats.shaderStorageTexelBufferArrayNonUniformIndexing))
4118                                 TCU_THROW(NotSupportedError, "Non-uniform indexing for storage texel buffer descriptor arrays is not supported.");
4119
4120                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingStorageTexelBufferUpdateAfterBind)
4121                                 TCU_THROW(NotSupportedError, "Update after bind for storage texel buffer descriptors is not supported.");
4122                         break;
4123                 case VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER:
4124                         if (!(feats.shaderUniformTexelBufferArrayNonUniformIndexing))
4125                                 TCU_THROW(NotSupportedError, "Non-uniform indexing for uniform texel buffer descriptor arrays is not supported.");
4126
4127                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingUniformTexelBufferUpdateAfterBind)
4128                                 TCU_THROW(NotSupportedError, "Update after bind for uniform texel buffer descriptors is not supported.");
4129                         break;
4130                 case VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC:
4131                         if (!(feats.shaderStorageBufferArrayNonUniformIndexing))
4132                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over storage buffer dynamic descriptor arrays is not supported.");
4133
4134                         if (m_testCaseParams.updateAfterBind)
4135                                 TCU_THROW(NotSupportedError, "Update after bind for storage buffer dynamic descriptors is not supported.");
4136                         break;
4137                 case VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC:
4138                         if (!(feats.shaderUniformBufferArrayNonUniformIndexing))
4139                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over uniform buffer dynamic descriptor arrays is not supported.");
4140
4141                         if (m_testCaseParams.updateAfterBind)
4142                                 TCU_THROW(NotSupportedError, "Update after bind for uniform buffer dynamic descriptors is not supported.");
4143                         break;
4144                 case VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT:
4145                         if (!(feats.shaderInputAttachmentArrayNonUniformIndexing))
4146                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over input attachment descriptor arrays is not supported.");
4147
4148                         if (m_testCaseParams.updateAfterBind)
4149                                 TCU_THROW(NotSupportedError, "Update after bind for input attachment descriptors is not supported.");
4150                         break;
4151                 case VK_DESCRIPTOR_TYPE_SAMPLER:
4152                         if (!(feats.shaderSampledImageArrayNonUniformIndexing))
4153                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over sampler descriptor arrays is not supported.");
4154
4155                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingSampledImageUpdateAfterBind)
4156                                 TCU_THROW(NotSupportedError, "Update after bind for sampler descriptors is not supported.");
4157                         break;
4158                 case VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE:
4159                         if (!(feats.shaderSampledImageArrayNonUniformIndexing))
4160                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over sampled image descriptor arrays is not supported.");
4161
4162                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingSampledImageUpdateAfterBind)
4163                                 TCU_THROW(NotSupportedError, "Update after bind for sampled image descriptors is not supported.");
4164                         break;
4165                 case VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER:
4166                         if (!(feats.shaderSampledImageArrayNonUniformIndexing))
4167                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over combined image sampler descriptor arrays is not supported.");
4168
4169                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingSampledImageUpdateAfterBind)
4170                                 TCU_THROW(NotSupportedError, "Update after bind for combined image sampler descriptors is not supported.");
4171                         break;
4172                 case VK_DESCRIPTOR_TYPE_STORAGE_IMAGE:
4173                         if (!(feats.shaderStorageImageArrayNonUniformIndexing))
4174                                 TCU_THROW(NotSupportedError, "Non-uniform indexing over storage image descriptor arrays is not supported.");
4175
4176                         if (m_testCaseParams.updateAfterBind && !feats.descriptorBindingStorageImageUpdateAfterBind)
4177                                 TCU_THROW(NotSupportedError, "Update after bind for storage image descriptors is not supported.");
4178                         break;
4179                 default:
4180                         DE_FATAL("Unknown Descriptor Type");
4181                         break;
4182                 }
4183         }
4184
4185         void initAsmPrograms(SourceCollections& programCollection) const
4186         {
4187
4188                 std::string(*genShaderSource)(VkShaderStageFlagBits, const TestCaseParams&, bool) = &CommonDescriptorInstance::getShaderAsm;
4189
4190                 deUint32 vulkan_version = VK_MAKE_API_VERSION(0, 1, 2, 0);
4191                 vk::SpirvVersion spirv_version = vk::SPIRV_VERSION_1_4;
4192                 vk::SpirVAsmBuildOptions asm_options(vulkan_version, spirv_version);
4193
4194                 if (VK_SHADER_STAGE_VERTEX_BIT & m_testCaseParams.stageFlags)
4195                 {
4196                         programCollection.spirvAsmSources.add(
4197                                 ut::buildShaderName(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false), &asm_options)
4198                                 << (*genShaderSource)(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams, false);
4199
4200                         if (CommonDescriptorInstance::performWritesInVertex(m_testCaseParams.descriptorType))
4201                         {
4202                                 programCollection.spirvAsmSources.add(
4203                                         ut::buildShaderName(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, true), &asm_options)
4204                                         << (*genShaderSource)(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams, true);
4205                         }
4206                 }
4207                 if (VK_SHADER_STAGE_FRAGMENT_BIT & m_testCaseParams.stageFlags)
4208                 {
4209                         programCollection.spirvAsmSources.add(
4210                                 ut::buildShaderName(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false), &asm_options)
4211                                 << (*genShaderSource)(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams, false);
4212
4213                         if (CommonDescriptorInstance::performWritesInVertex(m_testCaseParams.descriptorType))
4214                         {
4215                                 programCollection.spirvAsmSources.add(
4216                                         ut::buildShaderName(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, true), &asm_options)
4217                                         << (*genShaderSource)(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams, true);
4218                         }
4219                 }
4220                 if (VK_SHADER_STAGE_COMPUTE_BIT & m_testCaseParams.stageFlags)
4221                 {
4222                         programCollection.spirvAsmSources.add(
4223                                 ut::buildShaderName(VK_SHADER_STAGE_COMPUTE_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false), &asm_options)
4224                                 << (*genShaderSource)(VK_SHADER_STAGE_COMPUTE_BIT, m_testCaseParams, false);
4225                 }
4226         }
4227
4228         virtual void initPrograms (SourceCollections& programCollection) const
4229         {
4230                 if (m_testCaseParams.minNonUniform) {
4231                         initAsmPrograms(programCollection);
4232                         return;
4233                 }
4234
4235                 std::string(*genShaderSource)(VkShaderStageFlagBits, const TestCaseParams&, bool) = &CommonDescriptorInstance::getShaderSource;
4236
4237                 if (VK_SHADER_STAGE_VERTEX_BIT & m_testCaseParams.stageFlags)
4238                 {
4239                         programCollection.glslSources.add(
4240                                 ut::buildShaderName(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false))
4241                                 << glu::VertexSource((*genShaderSource)(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams, false));
4242
4243                         if (CommonDescriptorInstance::performWritesInVertex(m_testCaseParams.descriptorType))
4244                         {
4245                                 programCollection.glslSources.add(
4246                                         ut::buildShaderName(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, true))
4247                                         << glu::VertexSource((*genShaderSource)(VK_SHADER_STAGE_VERTEX_BIT, m_testCaseParams, true));
4248                         }
4249                 }
4250                 if (VK_SHADER_STAGE_FRAGMENT_BIT & m_testCaseParams.stageFlags)
4251                 {
4252                         programCollection.glslSources.add(
4253                                 ut::buildShaderName(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false))
4254                                 << glu::FragmentSource((*genShaderSource)(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams, false));
4255
4256                         if (CommonDescriptorInstance::performWritesInVertex(m_testCaseParams.descriptorType))
4257                         {
4258                                 programCollection.glslSources.add(
4259                                         ut::buildShaderName(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, true))
4260                                         << glu::FragmentSource((*genShaderSource)(VK_SHADER_STAGE_FRAGMENT_BIT, m_testCaseParams, true));
4261                         }
4262                 }
4263                 if (VK_SHADER_STAGE_COMPUTE_BIT & m_testCaseParams.stageFlags)
4264                 {
4265                         programCollection.glslSources.add(
4266                                 ut::buildShaderName(VK_SHADER_STAGE_COMPUTE_BIT, m_testCaseParams.descriptorType, m_testCaseParams.updateAfterBind, m_testCaseParams.calculateInLoop, m_testCaseParams.minNonUniform, false))
4267                                 << glu::ComputeSource((*genShaderSource)(VK_SHADER_STAGE_COMPUTE_BIT, m_testCaseParams, false));
4268                 }
4269         }
4270 };
4271
4272 } // - unnamed namespace
4273
4274 void descriptorIndexingDescriptorSetsCreateTests (tcu::TestCaseGroup* group)
4275 {
4276         struct TestCaseInfo
4277         {
4278                 const char*             name;
4279                 const char*             description;
4280                 TestCaseParams  params;
4281         };
4282
4283         tcu::TestContext&                               context(group->getTestContext());
4284
4285         TestCaseInfo casesAfterBindAndLoop[] =
4286         {
4287                 {
4288                         "storage_buffer", "Regular Storage Buffer Descriptors",
4289                         {
4290                                 VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
4291                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4292                                 RESOLUTION,
4293                                 false,  // updateAfterBind
4294                                 false,  // calculateInLoop
4295                                 false,  // useMipMaps
4296                                 false,  // minNonUniform
4297                                 FUZZY_COMPARE, CMP_THRESHOLD
4298                         }
4299                 },
4300                 {
4301                         "storage_texel_buffer", "Storage Texel Buffer Descriptors",
4302                         {
4303                                 VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
4304                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4305                                 RESOLUTION,
4306                                 false,  // updateAfterBind
4307                                 false,  // calculateInLoop
4308                                 false,  // useMipMaps
4309                                 false,  // minNonUniform
4310                                 FUZZY_COMPARE, CMP_THRESHOLD
4311                         }
4312                 },
4313                 {
4314                         "uniform_texel_buffer", "Uniform Texel Buffer Descriptors",
4315                         {
4316                                 VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
4317                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4318                                 RESOLUTION,
4319                                 false,  // updateAfterBind,
4320                                 false,  // calculateInLoop
4321                                 false,  // usesMipMaps
4322                                 false,  // minNonUniform
4323                                 FUZZY_COMPARE, CMP_THRESHOLD
4324                         }
4325                 },
4326                 {
4327                         "storage_image", "Storage Image Descriptors",
4328                         {
4329                                 VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
4330                                 VK_SHADER_STAGE_COMPUTE_BIT,
4331                                 RESOLUTION,
4332                                 false,  // updateAfterBind
4333                                 false,  // calculateInLoop
4334                                 false,  // useMipMaps
4335                                 false,  // minNonUniform
4336                                 FUZZY_COMPARE, CMP_THRESHOLD
4337                         }
4338                 },
4339         };
4340
4341         for (int updateAfterBind = 0; updateAfterBind < 2; ++updateAfterBind)
4342         {
4343                 for (int calculateInLoop = 0; calculateInLoop < 2; ++calculateInLoop)
4344                 {
4345                         for (deUint32 caseIdx = 0; caseIdx < DE_LENGTH_OF_ARRAY(casesAfterBindAndLoop); ++caseIdx)
4346                         {
4347                                 TestCaseInfo&   info                    (casesAfterBindAndLoop[caseIdx]);
4348                                 std::string             caseName                (info.name);
4349                                 std::string             caseDescription (info.description);
4350                                 TestCaseParams  params                  (info.params);
4351
4352                                 caseName                                += (updateAfterBind     ? "_after_bind" : "");
4353                                 caseName                                += (calculateInLoop     ? "_in_loop"    : "");
4354
4355                                 caseDescription                 += (updateAfterBind     ? " After Bind" : "");
4356                                 caseDescription                 += (calculateInLoop ? " In Loop"        : "");
4357
4358                                 params.updateAfterBind  = updateAfterBind       ? true                  : false;
4359                                 params.calculateInLoop  = calculateInLoop       ? true                  : false;
4360
4361                                 group->addChild(new DescriptorIndexingTestCase(context, caseName.c_str(), caseDescription.c_str(), params));
4362                         }
4363                 }
4364         }
4365
4366         TestCaseInfo casesAfterBindAndLoopAndLOD[] =
4367         {
4368                 {
4369                         "sampler", "Sampler Descriptors",
4370                         {
4371                                 VK_DESCRIPTOR_TYPE_SAMPLER,
4372                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4373                                 RESOLUTION,
4374                                 false,  // updateAfterBind
4375                                 false,  // calculateInLoop
4376                                 false,  // usesMipMaps
4377                                 false,  // minNonUniform
4378                                 FUZZY_COMPARE, CMP_THRESHOLD
4379                         }
4380                 },
4381                 {
4382                         "sampled_image", "Sampled Image Descriptors",
4383                         {
4384                                 VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE,
4385                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4386                                 RESOLUTION,
4387                                 false,  // updateAfterBind
4388                                 false,  // calculateInLoop
4389                                 false,  // usesMipMaps
4390                                 false,  // minNonUniform
4391                                 FUZZY_COMPARE, CMP_THRESHOLD
4392                         }
4393                 },
4394                 {
4395                         "combined_image_sampler", "Combined Image Sampler Descriptors",
4396                         {
4397                                 VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
4398                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4399                                 RESOLUTION,
4400                                 false,  // updateAfterBind
4401                                 false,  // calculateInLoop
4402                                 false,  // usesMipMaps
4403                                 false,  // minNonUniform
4404                                 FUZZY_COMPARE, CMP_THRESHOLD
4405                         }
4406                 },
4407         };
4408
4409         for (int updateAfterBind = 0; updateAfterBind < 2; ++updateAfterBind)
4410         {
4411                 for (int calculateInLoop = 0; calculateInLoop < 2; ++calculateInLoop)
4412                 {
4413                         for (int usesMipMaps = 0; usesMipMaps < 2; ++usesMipMaps)
4414                         {
4415                                 for (deUint32 caseIdx = 0; caseIdx < DE_LENGTH_OF_ARRAY(casesAfterBindAndLoopAndLOD); ++caseIdx)
4416                                 {
4417                                         TestCaseInfo&   info                    (casesAfterBindAndLoopAndLOD[caseIdx]);
4418                                         std::string             caseName                (info.name);
4419                                         std::string             caseDescription (info.description);
4420                                         TestCaseParams  params                  (info.params);
4421
4422                                         caseName                                += (updateAfterBind     ? "_after_bind" : "");
4423                                         caseName                                += (calculateInLoop ? "_in_loop"        : "");
4424                                         caseName                                += (usesMipMaps         ? "_with_lod"   : "");
4425
4426                                         caseDescription                 += (updateAfterBind     ? " After Bind" : "");
4427                                         caseDescription                 += (calculateInLoop     ? " In Loop"    : "");
4428                                         caseDescription                 += (usesMipMaps         ? " Use LOD"    : "");
4429
4430                                         params.updateAfterBind  = updateAfterBind       ? true                  : false;
4431                                         params.calculateInLoop  = calculateInLoop       ? true                  : false;
4432                                         params.usesMipMaps              = usesMipMaps           ? true                  : false;
4433
4434                                         group->addChild(new DescriptorIndexingTestCase(context, caseName.c_str(), caseDescription.c_str(), params));
4435                                 }
4436                         }
4437                 }
4438         }
4439
4440         TestCaseInfo casesNonAfterBindAndLoop[] =
4441         {
4442                 {
4443                         "uniform_buffer", "Regular Uniform Buffer Descriptors",
4444                         {
4445                                 VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
4446                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4447                                 RESOLUTION,
4448                                 false,  // updateAfterBind
4449                                 false,  // calculateInLoop
4450                                 false,  // usesMipMaps
4451                                 false,  // minNonUniform
4452                                 FUZZY_COMPARE, CMP_THRESHOLD
4453                         }
4454                 },
4455                 {
4456                         "storage_buffer_dynamic", "Dynamic Storage Buffer Descriptors",
4457                         {
4458                                 VK_DESCRIPTOR_TYPE_STORAGE_BUFFER_DYNAMIC,
4459                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4460                                 RESOLUTION,
4461                                 false,  // updateAfterBind
4462                                 false,  // calculateInLoop
4463                                 false,  // useMipMaps
4464                                 false,  // minNonUniform
4465                                 FUZZY_COMPARE, CMP_THRESHOLD
4466                         }
4467                 },
4468                 {
4469                         "uniform_buffer_dynamic", "Dynamic Uniform Buffer Descriptors",
4470                         {
4471                                 VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER_DYNAMIC,
4472                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4473                                 RESOLUTION,
4474                                 false,  // updateAfterBind
4475                                 false,  // calculateInLoop
4476                                 false,  // useMipMaps
4477                                 false,  // minNonUniform
4478                                 FUZZY_COMPARE, CMP_THRESHOLD
4479                         }
4480                 },
4481                 {
4482                         "input_attachment", "Input Attachment Descriptors",
4483                         {
4484                                 VK_DESCRIPTOR_TYPE_INPUT_ATTACHMENT,
4485                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4486                                 RESOLUTION,
4487                                 false,  // updateAfterBind
4488                                 false,  // calculateInLoop
4489                                 false,  // useMipMaps
4490                                 false,  // minNonUniform
4491                                 FUZZY_COMPARE, CMP_THRESHOLD
4492                         }
4493                 },
4494         };
4495
4496         for (int calculateInLoop = 0; calculateInLoop < 2; ++calculateInLoop)
4497         {
4498                 for (deUint32 caseIdx = 0; caseIdx < DE_LENGTH_OF_ARRAY(casesNonAfterBindAndLoop); ++caseIdx)
4499                 {
4500                         TestCaseInfo&   info(casesNonAfterBindAndLoop[caseIdx]);
4501                         std::string             caseName(info.name);
4502                         std::string             caseDescription(info.description);
4503                         TestCaseParams  params(info.params);
4504
4505                         caseName                                += (calculateInLoop     ? "_in_loop"    : "");
4506
4507                         caseDescription                 += (calculateInLoop ? " In Loop"        : "");
4508
4509                         params.calculateInLoop  = calculateInLoop       ? true                  : false;
4510
4511                         group->addChild(new DescriptorIndexingTestCase(context, caseName.c_str(), caseDescription.c_str(), params));
4512                 }
4513         }
4514
4515         // SPIR-V Asm Tests
4516         // Tests that have the minimum necessary NonUniform decorations.
4517         // sampler and sampled_image GLSL already have minimum NonUniform decorations.
4518
4519         TestCaseInfo casesMinNonUniform[] =
4520         {
4521                 {
4522                         "storage_buffer", "Regular Storage Buffer Descriptors",
4523                         {
4524                                 VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
4525                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4526                                 RESOLUTION,
4527                                 false,  // updateAfterBind
4528                                 false,  // calculateInLoop
4529                                 false,  // useMipMaps
4530                                 true,   // minNonUniform
4531                                 FUZZY_COMPARE, CMP_THRESHOLD
4532                         }
4533                 },
4534                 {
4535                         "storage_texel_buffer", "Storage Texel Buffer Descriptors",
4536                         {
4537                                 VK_DESCRIPTOR_TYPE_STORAGE_TEXEL_BUFFER,
4538                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4539                                 RESOLUTION,
4540                                 false,  // updateAfterBind
4541                                 false,  // calculateInLoop
4542                                 false,  // useMipMaps
4543                                 true,   // minNonUniform
4544                                 FUZZY_COMPARE, CMP_THRESHOLD
4545                         }
4546                 },
4547                 {
4548                         "uniform_texel_buffer", "Uniform Texel Buffer Descriptors",
4549                         {
4550                                 VK_DESCRIPTOR_TYPE_UNIFORM_TEXEL_BUFFER,
4551                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4552                                 RESOLUTION,
4553                                 false,  // updateAfterBind,
4554                                 false,  // calculateInLoop
4555                                 false,  // usesMipMaps
4556                                 true,   // minNonUniform
4557                                 FUZZY_COMPARE, CMP_THRESHOLD
4558                         }
4559                 },
4560                 {
4561                         "uniform_buffer", "Regular Uniform Buffer Descriptors",
4562                         {
4563                                 VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
4564                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4565                                 RESOLUTION,
4566                                 false,  // updateAfterBind
4567                                 false,  // calculateInLoop
4568                                 false,  // usesMipMaps
4569                                 true,   // minNonUniform
4570                                 FUZZY_COMPARE, CMP_THRESHOLD
4571                         }
4572                 },
4573                 {
4574                         "combined_image_sampler", "Combined Image Sampler Descriptors",
4575                         {
4576                                 VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
4577                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4578                                 RESOLUTION,
4579                                 false,  // updateAfterBind
4580                                 false,  // calculateInLoop
4581                                 false,  // usesMipMaps
4582                                 true,   // minNonUniform
4583                                 FUZZY_COMPARE, CMP_THRESHOLD
4584                         }
4585                 },
4586                 {
4587                         "combined_image_sampler", "Combined Image Sampler Descriptors",
4588                         {
4589                                 VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
4590                                 (VK_SHADER_STAGE_VERTEX_BIT | VK_SHADER_STAGE_FRAGMENT_BIT),
4591                                 RESOLUTION,
4592                                 false,  // updateAfterBind
4593                                 false,  // calculateInLoop
4594                                 true,   // usesMipMaps
4595                                 true,   // minNonUniform
4596                                 FUZZY_COMPARE, CMP_THRESHOLD
4597                         }
4598                 },
4599                 {
4600                         "storage_image", "Storage Image Descriptors",
4601                         {
4602                                 VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
4603                                 VK_SHADER_STAGE_COMPUTE_BIT,
4604                                 RESOLUTION,
4605                                 false,  // updateAfterBind
4606                                 false,  // calculateInLoop
4607                                 false,  // useMipMaps
4608                                 true,   // minNonUniform
4609                                 FUZZY_COMPARE, CMP_THRESHOLD
4610                         }
4611                 },
4612         };
4613
4614         for (deUint32 caseIdx = 0; caseIdx < DE_LENGTH_OF_ARRAY(casesMinNonUniform); ++caseIdx)
4615         {
4616                 TestCaseInfo&   info(casesMinNonUniform[caseIdx]);
4617                 std::string             caseName(info.name);
4618                 std::string             caseDescription(info.description);
4619                 TestCaseParams  params(info.params);
4620
4621                 if (params.usesMipMaps) {
4622                         caseName += "_with_lod";
4623                 }
4624                 caseName += "_minNonUniform";
4625
4626                 caseDescription += " With Minimum NonUniform Decorations";
4627
4628                 TestCase* tc = new DescriptorIndexingTestCase(context, caseName.c_str(), caseDescription.c_str(), params);
4629                 group->addChild(tc);
4630                 // group->addChild(new DescriptorIndexingTestCase(context, caseName.c_str(), caseDescription.c_str(), params));
4631         }
4632 }
4633
4634 } // - DescriptorIndexing
4635 } // - vkt