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