external/vulkancts/modules/vulkan/pipeline/vktPipelineBlendTests.cpp

   1 /*------------------------------------------------------------------------
   2  * Vulkan Conformance Tests
   3  * ------------------------
   4  *
   5  * Copyright (c) 2015 The Khronos Group Inc.
   6  * Copyright (c) 2015 Imagination Technologies Ltd.
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  *//*!
  21  * \file
  22  * \brief Blend Tests
  23  *//*--------------------------------------------------------------------*/
  24
  25 #include "vktPipelineBlendTests.hpp"
  26 #include "vktPipelineClearUtil.hpp"
  27 #include "vktPipelineImageUtil.hpp"
  28 #include "vktPipelineVertexUtil.hpp"
  29 #include "vktPipelineUniqueRandomIterator.hpp"
  30 #include "vktPipelineReferenceRenderer.hpp"
  31 #include "vktTestCase.hpp"
  32 #include "vkImageUtil.hpp"
  33 #include "vkMemUtil.hpp"
  34 #include "vkPlatform.hpp"
  35 #include "vkPrograms.hpp"
  36 #include "vkQueryUtil.hpp"
  37 #include "vkRef.hpp"
  38 #include "vkRefUtil.hpp"
  39 #include "tcuImageCompare.hpp"
  40 #include "tcuPlatform.hpp"
  41 #include "tcuTextureUtil.hpp"
  42 #include "deRandom.hpp"
  43 #include "deStringUtil.hpp"
  44 #include "deUniquePtr.hpp"
  45 #include <cstring>
  46 #include <set>
  47 #include <sstream>
  48 #include <vector>
  49
  50 namespace vkt
  51 {
  52 namespace pipeline
  53 {
  54
  55 using namespace vk;
  56
  57 namespace
  58 {
  59
  60 bool isSupportedBlendFormat (const InstanceInterface& instanceInterface, VkPhysicalDevice device, VkFormat format)
  61 {
  62         VkFormatProperties formatProps;
  63
  64         instanceInterface.getPhysicalDeviceFormatProperties(device, format, &formatProps);
  65
  66         return (formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) &&
  67                    (formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT);
  68 }
  69
  70 class BlendStateUniqueRandomIterator : public UniqueRandomIterator<VkPipelineColorBlendAttachmentState>
  71 {
  72 public:
  73                                                                                         BlendStateUniqueRandomIterator          (deUint32 numberOfCombinations, int seed);
  74         virtual                                                                 ~BlendStateUniqueRandomIterator         (void) {}
  75         VkPipelineColorBlendAttachmentState             getIndexedValue (deUint32 index);
  76
  77 private:
  78         const static VkBlendFactor                              m_blendFactors[];
  79         const static VkBlendOp                                  m_blendOps[];
  80
  81         // Pre-calculated constants
  82         const static deUint32                                   m_blendFactorsLength;
  83         const static deUint32                                   m_blendFactorsLength2;
  84         const static deUint32                                   m_blendFactorsLength3;
  85         const static deUint32                                   m_blendFactorsLength4;
  86         const static deUint32                                   m_blendOpsLength;
  87
  88         // Total number of cross-combinations of (srcBlendColor x destBlendColor x blendOpColor x srcBlendAlpha x destBlendAlpha x blendOpAlpha)
  89         const static deUint32                                   m_totalBlendStates;
  90 };
  91
  92 class BlendTest : public vkt::TestCase
  93 {
  94 public:
  95         enum
  96         {
  97                 QUAD_COUNT = 4
  98         };
  99
 100         const static VkColorComponentFlags      s_colorWriteMasks[QUAD_COUNT];
 101         const static tcu::Vec4                          s_blendConst;
 102
 103                                                                                 BlendTest                               (tcu::TestContext&                                                      testContext,
 104                                                                                                                                  const std::string&                                                     name,
 105                                                                                                                                  const std::string&                                                     description,
 106                                                                                                                                  const VkFormat                                                         colorFormat,
 107                                                                                                                                  const VkPipelineColorBlendAttachmentState      blendStates[QUAD_COUNT]);
 108         virtual                                                         ~BlendTest                              (void);
 109         virtual void                                            initPrograms                    (SourceCollections& sourceCollections) const;
 110         virtual TestInstance*                           createInstance                  (Context& context) const;
 111
 112 private:
 113         const VkFormat                                          m_colorFormat;
 114         VkPipelineColorBlendAttachmentState     m_blendStates[QUAD_COUNT];
 115 };
 116
 117 class BlendTestInstance : public vkt::TestInstance
 118 {
 119 public:
 120                                                                                 BlendTestInstance               (Context& context, const VkFormat colorFormat, const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT]);
 121         virtual                                                         ~BlendTestInstance              (void);
 122         virtual tcu::TestStatus                         iterate                                 (void);
 123
 124 private:
 125         static float                                            getNormChannelThreshold (const tcu::TextureFormat& format, int numBits);
 126         static tcu::Vec4                                        getFormatThreshold              (const tcu::TextureFormat& format);
 127         tcu::TestStatus                                         verifyImage                             (void);
 128
 129         VkPipelineColorBlendAttachmentState     m_blendStates[BlendTest::QUAD_COUNT];
 130
 131         const tcu::UVec2                                        m_renderSize;
 132         const VkFormat                                          m_colorFormat;
 133
 134         VkImageCreateInfo                                       m_colorImageCreateInfo;
 135         Move<VkImage>                                           m_colorImage;
 136         de::MovePtr<Allocation>                         m_colorImageAlloc;
 137         Move<VkImageView>                                       m_colorAttachmentView;
 138         Move<VkRenderPass>                                      m_renderPass;
 139         Move<VkFramebuffer>                                     m_framebuffer;
 140
 141         Move<VkShaderModule>                            m_vertexShaderModule;
 142         Move<VkShaderModule>                            m_fragmentShaderModule;
 143
 144         Move<VkBuffer>                                          m_vertexBuffer;
 145         std::vector<Vertex4RGBA>                        m_vertices;
 146         de::MovePtr<Allocation>                         m_vertexBufferAlloc;
 147
 148         Move<VkPipelineLayout>                          m_pipelineLayout;
 149         Move<VkPipeline>                                        m_graphicsPipelines[BlendTest::QUAD_COUNT];
 150
 151         Move<VkCommandPool>                                     m_cmdPool;
 152         Move<VkCommandBuffer>                           m_cmdBuffer;
 153
 154         Move<VkFence>                                           m_fence;
 155 };
 156
 157
 158 // BlendStateUniqueRandomIterator
 159
 160 const VkBlendFactor BlendStateUniqueRandomIterator::m_blendFactors[] =
 161 {
 162         VK_BLEND_FACTOR_ZERO,
 163         VK_BLEND_FACTOR_ONE,
 164         VK_BLEND_FACTOR_SRC_COLOR,
 165         VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
 166         VK_BLEND_FACTOR_DST_COLOR,
 167         VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR,
 168         VK_BLEND_FACTOR_SRC_ALPHA,
 169         VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
 170         VK_BLEND_FACTOR_DST_ALPHA,
 171         VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
 172         VK_BLEND_FACTOR_CONSTANT_COLOR,
 173         VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR,
 174         VK_BLEND_FACTOR_CONSTANT_ALPHA,
 175         VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
 176         VK_BLEND_FACTOR_SRC_ALPHA_SATURATE
 177 };
 178
 179 const VkBlendOp BlendStateUniqueRandomIterator::m_blendOps[] =
 180 {
 181         VK_BLEND_OP_ADD,
 182         VK_BLEND_OP_SUBTRACT,
 183         VK_BLEND_OP_REVERSE_SUBTRACT,
 184         VK_BLEND_OP_MIN,
 185         VK_BLEND_OP_MAX
 186 };
 187
 188 const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength             = DE_LENGTH_OF_ARRAY(m_blendFactors);
 189 const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength2    = m_blendFactorsLength * m_blendFactorsLength;
 190 const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength3    = m_blendFactorsLength2 * m_blendFactorsLength;
 191 const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength4    = m_blendFactorsLength3 * m_blendFactorsLength;
 192 const deUint32 BlendStateUniqueRandomIterator::m_blendOpsLength                 = DE_LENGTH_OF_ARRAY(m_blendOps);
 193 const deUint32 BlendStateUniqueRandomIterator::m_totalBlendStates               = m_blendFactorsLength4 * m_blendOpsLength * m_blendOpsLength;
 194
 195
 196 BlendStateUniqueRandomIterator::BlendStateUniqueRandomIterator (deUint32 numberOfCombinations, int seed)
 197         : UniqueRandomIterator<VkPipelineColorBlendAttachmentState>(numberOfCombinations, m_totalBlendStates, seed)
 198 {
 199 }
 200
 201 VkPipelineColorBlendAttachmentState BlendStateUniqueRandomIterator::getIndexedValue (deUint32 index)
 202 {
 203         const deUint32          blendOpAlphaIndex                       = index / (m_blendFactorsLength4 * m_blendOpsLength);
 204         const deUint32          blendOpAlphaSeqIndex            = blendOpAlphaIndex * (m_blendFactorsLength4 * m_blendOpsLength);
 205
 206         const deUint32          destBlendAlphaIndex                     = (index - blendOpAlphaSeqIndex) / (m_blendFactorsLength3 * m_blendOpsLength);
 207         const deUint32          destBlendAlphaSeqIndex          = destBlendAlphaIndex * (m_blendFactorsLength3 * m_blendOpsLength);
 208
 209         const deUint32          srcBlendAlphaIndex                      = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex) / (m_blendFactorsLength2 * m_blendOpsLength);
 210         const deUint32          srcBlendAlphaSeqIndex           = srcBlendAlphaIndex * (m_blendFactorsLength2 * m_blendOpsLength);
 211
 212         const deUint32          blendOpColorIndex                       = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex) / m_blendFactorsLength2;
 213         const deUint32          blendOpColorSeqIndex            = blendOpColorIndex * m_blendFactorsLength2;
 214
 215         const deUint32          destBlendColorIndex                     = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex - blendOpColorSeqIndex) / m_blendFactorsLength;
 216         const deUint32          destBlendColorSeqIndex          = destBlendColorIndex * m_blendFactorsLength;
 217
 218         const deUint32          srcBlendColorIndex                      = index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex - blendOpColorSeqIndex - destBlendColorSeqIndex;
 219
 220         const VkPipelineColorBlendAttachmentState blendAttachmentState =
 221         {
 222                 true,                                                                                                           // VkBool32                                     blendEnable;
 223                 m_blendFactors[srcBlendColorIndex],                                                     // VkBlendFactor                        srcColorBlendFactor;
 224                 m_blendFactors[destBlendColorIndex],                                            // VkBlendFactor                        dstColorBlendFactor;
 225                 m_blendOps[blendOpColorIndex],                                                          // VkBlendOp                            colorBlendOp;
 226                 m_blendFactors[srcBlendAlphaIndex],                                                     // VkBlendFactor                        srcAlphaBlendFactor;
 227                 m_blendFactors[destBlendAlphaIndex],                                            // VkBlendFactor                        dstAlphaBlendFactor;
 228                 m_blendOps[blendOpAlphaIndex],                                                          // VkBlendOp                            alphaBlendOp;
 229                 VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT |           // VkColorComponentFlags        colorWriteMask;
 230                         VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT
 231         };
 232
 233         return blendAttachmentState;
 234 }
 235
 236
 237 // BlendTest
 238
 239 const VkColorComponentFlags BlendTest::s_colorWriteMasks[BlendTest::QUAD_COUNT] = { VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT,        // Pair of channels: R & G
 240                                                                                                                                                                         VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT,    // Pair of channels: G & B
 241                                                                                                                                                                         VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT,    // Pair of channels: B & A
 242                                                                                                                                                                         VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT };    // All channels
 243
 244 const tcu::Vec4 BlendTest::s_blendConst = tcu::Vec4(0.1f, 0.2f, 0.3f, 0.4f);
 245
 246 BlendTest::BlendTest (tcu::TestContext&                                                         testContext,
 247                                           const std::string&                                                    name,
 248                                           const std::string&                                                    description,
 249                                           const VkFormat                                                                colorFormat,
 250                                           const VkPipelineColorBlendAttachmentState             blendStates[QUAD_COUNT])
 251         : vkt::TestCase (testContext, name, description)
 252         , m_colorFormat(colorFormat)
 253 {
 254         deMemcpy(m_blendStates, blendStates, sizeof(VkPipelineColorBlendAttachmentState) * QUAD_COUNT);
 255 }
 256
 257 BlendTest::~BlendTest (void)
 258 {
 259 }
 260
 261 TestInstance* BlendTest::createInstance(Context& context) const
 262 {
 263         return new BlendTestInstance(context, m_colorFormat, m_blendStates);
 264 }
 265
 266 void BlendTest::initPrograms (SourceCollections& sourceCollections) const
 267 {
 268         std::ostringstream fragmentSource;
 269
 270         sourceCollections.glslSources.add("color_vert") << glu::VertexSource(
 271                 "#version 310 es\n"
 272                 "layout(location = 0) in highp vec4 position;\n"
 273                 "layout(location = 1) in highp vec4 color;\n"
 274                 "layout(location = 0) out highp vec4 vtxColor;\n"
 275                 "void main (void)\n"
 276                 "{\n"
 277                 "       gl_Position = position;\n"
 278                 "       vtxColor = color;\n"
 279                 "}\n");
 280
 281         fragmentSource << "#version 310 es\n"
 282                 "layout(location = 0) in highp vec4 vtxColor;\n"
 283                 "layout(location = 0) out highp vec4 fragColor;\n"
 284                 "void main (void)\n"
 285                 "{\n"
 286                 "       fragColor = vtxColor;\n"
 287                 "}\n";
 288
 289         sourceCollections.glslSources.add("color_frag") << glu::FragmentSource(fragmentSource.str());
 290 }
 291
 292
 293 // BlendTestInstance
 294
 295 BlendTestInstance::BlendTestInstance (Context&                                                                  context,
 296                                                                           const VkFormat                                                        colorFormat,
 297                                                                           const VkPipelineColorBlendAttachmentState     blendStates[BlendTest::QUAD_COUNT])
 298         : vkt::TestInstance     (context)
 299         , m_renderSize          (32, 32)
 300         , m_colorFormat         (colorFormat)
 301 {
 302         const DeviceInterface&          vk                                      = m_context.getDeviceInterface();
 303         const VkDevice                          vkDevice                        = m_context.getDevice();
 304         const deUint32                          queueFamilyIndex        = m_context.getUniversalQueueFamilyIndex();
 305         SimpleAllocator                         memAlloc                        (vk, vkDevice, getPhysicalDeviceMemoryProperties(m_context.getInstanceInterface(), m_context.getPhysicalDevice()));
 306
 307         // Copy depth operators
 308         deMemcpy(m_blendStates, blendStates, sizeof(VkPipelineColorBlendAttachmentState) * BlendTest::QUAD_COUNT);
 309
 310         // Create color image
 311         {
 312                 if (!isSupportedBlendFormat(context.getInstanceInterface(), context.getPhysicalDevice(), m_colorFormat))
 313                         throw tcu::NotSupportedError(std::string("Unsupported color blending format: ") + getFormatName(m_colorFormat));
 314
 315                 const VkImageCreateInfo colorImageParams =
 316                 {
 317                         VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,                                                                            // VkStructureType                      sType;
 318                         DE_NULL,                                                                                                                                        // const void*                          pNext;
 319                         0u,                                                                                                                                                     // VkImageCreateFlags           flags;
 320                         VK_IMAGE_TYPE_2D,                                                                                                                       // VkImageType                          imageType;
 321                         m_colorFormat,                                                                                                                          // VkFormat                                     format;
 322                         { m_renderSize.x(), m_renderSize.y(), 1u },                                                                     // VkExtent3D                           extent;
 323                         1u,                                                                                                                                                     // deUint32                                     mipLevels;
 324                         1u,                                                                                                                                                     // deUint32                                     arrayLayers;
 325                         VK_SAMPLE_COUNT_1_BIT,                                                                                                          // VkSampleCountFlagBits        samples;
 326                         VK_IMAGE_TILING_OPTIMAL,                                                                                                        // VkImageTiling                        tiling;
 327                         VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT,          // VkImageUsageFlags            usage;
 328                         VK_SHARING_MODE_EXCLUSIVE,                                                                                                      // VkSharingMode                        sharingMode;
 329                         1u,                                                                                                                                                     // deUint32                                     queueFamilyIndexCount;
 330                         &queueFamilyIndex,                                                                                                                      // const deUint32*                      pQueueFamilyIndices;
 331                         VK_IMAGE_LAYOUT_UNDEFINED                                                                                                       // VkImageLayout                        initialLayout;
 332                 };
 333
 334                 m_colorImageCreateInfo  = colorImageParams;
 335                 m_colorImage                    = createImage(vk, vkDevice, &m_colorImageCreateInfo);
 336
 337                 // Allocate and bind color image memory
 338                 m_colorImageAlloc               = memAlloc.allocate(getImageMemoryRequirements(vk, vkDevice, *m_colorImage), MemoryRequirement::Any);
 339                 VK_CHECK(vk.bindImageMemory(vkDevice, *m_colorImage, m_colorImageAlloc->getMemory(), m_colorImageAlloc->getOffset()));
 340         }
 341
 342         // Create color attachment view
 343         {
 344                 const VkImageViewCreateInfo colorAttachmentViewParams =
 345                 {
 346                         VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,                       // VkStructureType                      sType;
 347                         DE_NULL,                                                                                        // const void*                          pNext;
 348                         0u,                                                                                                     // VkImageViewCreateFlags       flags;
 349                         *m_colorImage,                                                                          // VkImage                                      image;
 350                         VK_IMAGE_VIEW_TYPE_2D,                                                          // VkImageViewType                      viewType;
 351                         m_colorFormat,                                                                          // VkFormat                                     format;
 352                         {VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY},
 353                         { VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u }           // VkImageSubresourceRange      subresourceRange;
 354                 };
 355
 356                 m_colorAttachmentView = createImageView(vk, vkDevice, &colorAttachmentViewParams);
 357         }
 358
 359         // Create render pass
 360         {
 361                 const VkAttachmentDescription colorAttachmentDescription =
 362                 {
 363                         0u,                                                                                                     // VkAttachmentDescriptionFlags         flags;
 364                         m_colorFormat,                                                                          // VkFormat                                                     format;
 365                         VK_SAMPLE_COUNT_1_BIT,                                                          // VkSampleCountFlagBits                        samples;
 366                         VK_ATTACHMENT_LOAD_OP_CLEAR,                                            // VkAttachmentLoadOp                           loadOp;
 367                         VK_ATTACHMENT_STORE_OP_STORE,                                           // VkAttachmentStoreOp                          storeOp;
 368                         VK_ATTACHMENT_LOAD_OP_DONT_CARE,                                        // VkAttachmentLoadOp                           stencilLoadOp;
 369                         VK_ATTACHMENT_STORE_OP_DONT_CARE,                                       // VkAttachmentStoreOp                          stencilStoreOp;
 370                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                       // VkImageLayout                                        initialLayout;
 371                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                       // VkImageLayout                                        finalLayout;
 372                 };
 373
 374                 const VkAttachmentReference colorAttachmentReference =
 375                 {
 376                         0u,                                                                                                     // deUint32                     attachment;
 377                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL                        // VkImageLayout        layout;
 378                 };
 379
 380                 const VkSubpassDescription subpassDescription =
 381                 {
 382                         0u,                                                                                                     // VkSubpassDescriptionFlag             flags;
 383                         VK_PIPELINE_BIND_POINT_GRAPHICS,                                        // VkPipelineBindPoint                  pipelineBindPoint;
 384                         0u,                                                                                                     // deUint32                                             inputAttachmentCount;
 385                         DE_NULL,                                                                                        // const VkAttachmentReference* pInputAttachments;
 386                         1u,                                                                                                     // deUint32                                             colorAttachmentCount;
 387                         &colorAttachmentReference,                                                      // const VkAttachmentReference* pColorAttachments;
 388                         DE_NULL,                                                                                        // const VkAttachmentReference* pResolveAttachments;
 389                         DE_NULL,                                                                                        // const VkAttachmentReference* pDepthStencilAttachment;
 390                         0u,                                                                                                     // deUint32                                             preserveAttachmentCount;
 391                         DE_NULL                                                                                         // const VkAttachmentReference* pPreserveAttachments;
 392                 };
 393
 394                 const VkRenderPassCreateInfo renderPassParams =
 395                 {
 396                         VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO,                      // VkStructureType                                      sType;
 397                         DE_NULL,                                                                                        // const void*                                          pNext;
 398                         0u,                                                                                                     // VkRenderPassCreateFlags                      flags;
 399                         1u,                                                                                                     // deUint32                                                     attachmentCount;
 400                         &colorAttachmentDescription,                                            // const VkAttachmentDescription*       pAttachments;
 401                         1u,                                                                                                     // deUint32                                                     subpassCount;
 402                         &subpassDescription,                                                            // const VkSubpassDescription*          pSubpasses;
 403                         0u,                                                                                                     // deUint32                                                     dependencyCount;
 404                         DE_NULL                                                                                         // const VkSubpassDependency*           pDependencies;
 405                 };
 406
 407                 m_renderPass = createRenderPass(vk, vkDevice, &renderPassParams);
 408         }
 409
 410         // Create framebuffer
 411         {
 412                 const VkFramebufferCreateInfo framebufferParams =
 413                 {
 414                         VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO,                      // VkStructureType                      sType;
 415                         DE_NULL,                                                                                        // const void*                          pNext;
 416                         0u,                                                                                                     // VkFramebufferCreateFlags     flags;
 417                         *m_renderPass,                                                                          // VkRenderPass                         renderPass;
 418                         1u,                                                                                                     // deUint32                                     attachmentCount;
 419                         &m_colorAttachmentView.get(),                                           // const VkImageView*           pAttachments;
 420                         (deUint32)m_renderSize.x(),                                                     // deUint32                                     width;
 421                         (deUint32)m_renderSize.y(),                                                     // deUint32                                     height;
 422                         1u                                                                                                      // deUint32                                     layers;
 423                 };
 424
 425                 m_framebuffer = createFramebuffer(vk, vkDevice, &framebufferParams);
 426         }
 427
 428         // Create pipeline layout
 429         {
 430                 const VkPipelineLayoutCreateInfo pipelineLayoutParams =
 431                 {
 432                         VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,          // VkStructureType                                      sType;
 433                         DE_NULL,                                                                                        // const void*                                          pNext;
 434                         0u,                                                                                                     // VkPipelineLayoutCreateFlags          flags;
 435                         0u,                                                                                                     // deUint32                                                     setLayoutCount;
 436                         DE_NULL,                                                                                        // const VkDescriptorSetLayout*         pSetLayouts;
 437                         0u,                                                                                                     // deUint32                                                     pushConstantRangeCount;
 438                         DE_NULL                                                                                         // const VkPushConstantRange*           pPushConstantRanges;
 439                 };
 440
 441                 m_pipelineLayout = createPipelineLayout(vk, vkDevice, &pipelineLayoutParams);
 442         }
 443
 444         m_vertexShaderModule    = createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("color_vert"), 0);
 445         m_fragmentShaderModule  = createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("color_frag"), 0);
 446
 447         // Create pipeline
 448         {
 449                 const VkPipelineShaderStageCreateInfo shaderStages[2] =
 450                 {
 451                         {
 452                                 VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    // VkStructureType                                      sType;
 453                                 DE_NULL,                                                                                                // const void*                                          pNext;
 454                                 0u,                                                                                                             // VkPipelineShaderStageCreateFlags     flags;
 455                                 VK_SHADER_STAGE_VERTEX_BIT,                                                             // VkShaderStageFlagBits                        stage;
 456                                 *m_vertexShaderModule,                                                                  // VkShaderModule                                       module;
 457                                 "main",                                                                                                 // const char*                                          pName;
 458                                 DE_NULL                                                                                                 // const VkSpecializationInfo*          pSpecializationInfo;
 459                         },
 460                         {
 461                                 VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,    // VkStructureType                                      sType;
 462                                 DE_NULL,                                                                                                // const void*                                          pNext;
 463                                 0u,                                                                                                             // VkPipelineShaderStageCreateFlags     flags;
 464                                 VK_SHADER_STAGE_FRAGMENT_BIT,                                                   // VkShaderStageFlagBits                        stage;
 465                                 *m_fragmentShaderModule,                                                                // VkShaderModule                                       module;
 466                                 "main",                                                                                                 // const char*                                          pName;
 467                                 DE_NULL                                                                                                 // const VkSpecializationInfo*          pSpecializationInfo;
 468                         }
 469                 };
 470
 471                 const VkVertexInputBindingDescription vertexInputBindingDescription =
 472                 {
 473                         0u,                                                                     // deUint32                                     binding;
 474                         sizeof(Vertex4RGBA),                            // deUint32                                     strideInBytes;
 475                         VK_VERTEX_INPUT_RATE_VERTEX                     // VkVertexInputStepRate        inputRate;
 476                 };
 477
 478                 const VkVertexInputAttributeDescription vertexInputAttributeDescriptions[2] =
 479                 {
 480                         {
 481                                 0u,                                                             // deUint32     location;
 482                                 0u,                                                             // deUint32     binding;
 483                                 VK_FORMAT_R32G32B32A32_SFLOAT,  // VkFormat     format;
 484                                 0u                                                              // deUint32     offset;
 485                         },
 486                         {
 487                                 1u,                                                             // deUint32     location;
 488                                 0u,                                                             // deUint32     binding;
 489                                 VK_FORMAT_R32G32B32A32_SFLOAT,  // VkFormat     format;
 490                                 (deUint32)(sizeof(float) * 4),  // deUint32     offset;
 491                         }
 492                 };
 493
 494                 const VkPipelineVertexInputStateCreateInfo vertexInputStateParams =
 495                 {
 496                         VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO,              // VkStructureType                                                      sType;
 497                         DE_NULL,                                                                                                                // const void*                                                          pNext;
 498                         0u,                                                                                                                             // VkPipelineVertexInputStateCreateFlags        flags;
 499                         1u,                                                                                                                             // deUint32                                                                     vertexBindingDescriptionCount;
 500                         &vertexInputBindingDescription,                                                                 // const VkVertexInputBindingDescription*       pVertexBindingDescriptions;
 501                         2u,                                                                                                                             // deUint32                                                                     vertexAttributeDescriptionCount;
 502                         vertexInputAttributeDescriptions                                                                // const VkVertexInputAttributeDescription*     pVertexAttributeDescriptions;
 503                 };
 504
 505                 const VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateParams =
 506                 {
 507                         VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO,    // VkStructureType                                                      sType;
 508                         DE_NULL,                                                                                                                // const void*                                                          pNext;
 509                         0u,                                                                                                                             // VkPipelineInputAssemblyStateCreateFlags      flags;
 510                         VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST,                                                    // VkPrimitiveTopology                                          topology;
 511                         false                                                                                                                   // VkBool32                                                                     primitiveRestartEnable;
 512                 };
 513
 514                 const VkViewport viewport =
 515                 {
 516                         0.0f,                                           // float        x;
 517                         0.0f,                                           // float        y;
 518                         (float)m_renderSize.x(),        // float        width;
 519                         (float)m_renderSize.y(),        // float        height;
 520                         0.0f,                                           // float        minDepth;
 521                         1.0f                                            // float        maxDepth;
 522                 };
 523
 524                 const VkRect2D scissor = { { 0, 0 }, { m_renderSize.x(), m_renderSize.y() } };
 525
 526                 const VkPipelineViewportStateCreateInfo viewportStateParams =
 527                 {
 528                         VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO,                  // VkStructureType                                              sType;
 529                         DE_NULL,                                                                                                                // const void*                                                  pNext;
 530                         0u,                                                                                                                             // VkPipelineViewportStateCreateFlags   flags;
 531                         1u,                                                                                                                             // deUint32                                                             viewportCount;
 532                         &viewport,                                                                                                              // const VkViewport*                                    pViewports;
 533                         1u,                                                                                                                             // deUint32                                                             scissorCount;
 534                         &scissor                                                                                                                // const VkRect2D*                                              pScissors;
 535                 };
 536
 537                 const VkPipelineRasterizationStateCreateInfo rasterStateParams =
 538                 {
 539                         VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO,             // VkStructureType                                                      sType;
 540                         DE_NULL,                                                                                                                // const void*                                                          pNext;
 541                         0u,                                                                                                                             // VkPipelineRasterizationStateCreateFlags      flags;
 542                         false,                                                                                                                  // VkBool32                                                                     depthClampEnable;
 543                         false,                                                                                                                  // VkBool32                                                                     rasterizerDiscardEnable;
 544                         VK_POLYGON_MODE_FILL,                                                                                   // VkPolygonMode                                                        polygonMode;
 545                         VK_CULL_MODE_NONE,                                                                                              // VkCullModeFlags                                                      cullMode;
 546                         VK_FRONT_FACE_COUNTER_CLOCKWISE,                                                                // VkFrontFace                                                          frontFace;
 547                         false,                                                                                                                  // VkBool32                                                                     depthBiasEnable;
 548                         0.0f,                                                                                                                   // float                                                                        depthBiasConstantFactor;
 549                         0.0f,                                                                                                                   // float                                                                        depthBiasClamp;
 550                         0.0f,                                                                                                                   // float                                                                        depthBiasSlopeFactor;
 551                         1.0f                                                                                                                    // float                                                                        lineWidth;
 552                 };
 553
 554                 const VkPipelineMultisampleStateCreateInfo multisampleStateParams =
 555                 {
 556                         VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO,       // VkStructureType                                                      sType;
 557                         DE_NULL,                                                                                                        // const void*                                                          pNext;
 558                         0u,                                                                                                                     // VkPipelineMultisampleStateCreateFlags        flags;
 559                         VK_SAMPLE_COUNT_1_BIT,                                                                          // VkSampleCountFlagBits                                        rasterizationSamples;
 560                         false,                                                                                                          // VkBool32                                                                     sampleShadingEnable;
 561                         0.0f,                                                                                                           // float                                                                        minSampleShading;
 562                         DE_NULL,                                                                                                        // const VkSampleMask*                                          pSampleMask;
 563                         false,                                                                                                          // VkBool32                                                                     alphaToCoverageEnable;
 564                         false                                                                                                           // VkBool32                                                                     alphaToOneEnable;
 565                 };
 566
 567                 const VkPipelineDepthStencilStateCreateInfo depthStencilStateParams =
 568                 {
 569                         VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO,     // VkStructureType                                                      sType;
 570                         DE_NULL,                                                                                                        // const void*                                                          pNext;
 571                         0u,                                                                                                                     // VkPipelineDepthStencilStateCreateFlags       flags;
 572                         false,                                                                                                          // VkBool32                                                                     depthTestEnable;
 573                         false,                                                                                                          // VkBool32                                                                     depthWriteEnable;
 574                         VK_COMPARE_OP_LESS,                                                                                     // VkCompareOp                                                          depthCompareOp;
 575                         false,                                                                                                          // VkBool32                                                                     depthBoundsTestEnable;
 576                         false,                                                                                                          // VkBool32                                                                     stencilTestEnable;
 577                         // VkStencilOpState     front;
 578                         {
 579                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  failOp;
 580                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  passOp;
 581                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  depthFailOp;
 582                                 VK_COMPARE_OP_NEVER,    // VkCompareOp  compareOp;
 583                                 0u,                                             // deUint32             compareMask;
 584                                 0u,                                             // deUint32             writeMask;
 585                                 0u                                              // deUint32             reference;
 586                         },
 587                         // VkStencilOpState     back;
 588                         {
 589                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  failOp;
 590                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  passOp;
 591                                 VK_STENCIL_OP_KEEP,             // VkStencilOp  depthFailOp;
 592                                 VK_COMPARE_OP_NEVER,    // VkCompareOp  compareOp;
 593                                 0u,                                             // deUint32             compareMask;
 594                                 0u,                                             // deUint32             writeMask;
 595                                 0u                                              // deUint32             reference;
 596                         },
 597                         0.0f,                                                                                                           // float                        minDepthBounds;
 598                         1.0f                                                                                                            // float                        maxDepthBounds;
 599                 };
 600
 601                 // The color blend attachment will be set up before creating the graphics pipeline.
 602                 VkPipelineColorBlendStateCreateInfo colorBlendStateParams =
 603                 {
 604                         VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO,       // VkStructureType                                                              sType;
 605                         DE_NULL,                                                                                                        // const void*                                                                  pNext;
 606                         0u,                                                                                                                     // VkPipelineColorBlendStateCreateFlags                 flags;
 607                         false,                                                                                                          // VkBool32                                                                             logicOpEnable;
 608                         VK_LOGIC_OP_COPY,                                                                                       // VkLogicOp                                                                    logicOp;
 609                         0u,                                                                                                                     // deUint32                                                                             attachmentCount;
 610                         DE_NULL,                                                                                                        // const VkPipelineColorBlendAttachmentState*   pAttachments;
 611                         {                                                                                                                       // float                                                                                blendConstants[4];
 612                                 BlendTest::s_blendConst.x(),
 613                                 BlendTest::s_blendConst.y(),
 614                                 BlendTest::s_blendConst.z(),
 615                                 BlendTest::s_blendConst.w()
 616                         }
 617                 };
 618
 619                 const VkGraphicsPipelineCreateInfo graphicsPipelineParams =
 620                 {
 621                         VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO,        // VkStructureType                                                                      sType;
 622                         DE_NULL,                                                                                        // const void*                                                                          pNext;
 623                         0u,                                                                                                     // VkPipelineCreateFlags                                                        flags;
 624                         2u,                                                                                                     // deUint32                                                                                     stageCount;
 625                         shaderStages,                                                                           // const VkPipelineShaderStageCreateInfo*                       pStages;
 626                         &vertexInputStateParams,                                                        // const VkPipelineVertexInputStateCreateInfo*          pVertexInputState;
 627                         &inputAssemblyStateParams,                                                      // const VkPipelineInputAssemblyStateCreateInfo*        pInputAssemblyState;
 628                         DE_NULL,                                                                                        // const VkPipelineTessellationStateCreateInfo*         pTessellationState;
 629                         &viewportStateParams,                                                           // const VkPipelineViewportStateCreateInfo*                     pViewportState;
 630                         &rasterStateParams,                                                                     // const VkPipelineRasterizationStateCreateInfo*        pRasterizationState;
 631                         &multisampleStateParams,                                                        // const VkPipelineMultisampleStateCreateInfo*          pMultisampleState;
 632                         &depthStencilStateParams,                                                       // const VkPipelineDepthStencilStateCreateInfo*         pDepthStencilState;
 633                         &colorBlendStateParams,                                                         // const VkPipelineColorBlendStateCreateInfo*           pColorBlendState;
 634                         (const VkPipelineDynamicStateCreateInfo*)DE_NULL,       // const VkPipelineDynamicStateCreateInfo*                      pDynamicState;
 635                         *m_pipelineLayout,                                                                      // VkPipelineLayout                                                                     layout;
 636                         *m_renderPass,                                                                          // VkRenderPass                                                                         renderPass;
 637                         0u,                                                                                                     // deUint32                                                                                     subpass;
 638                         0u,                                                                                                     // VkPipeline                                                                           basePipelineHandle;
 639                         0u                                                                                                      // deInt32                                                                                      basePipelineIndex;
 640                 };
 641
 642                 for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
 643                 {
 644                         colorBlendStateParams.attachmentCount   = 1u;
 645                         colorBlendStateParams.pAttachments              = &m_blendStates[quadNdx];
 646                         m_graphicsPipelines[quadNdx]                    = createGraphicsPipeline(vk, vkDevice, DE_NULL, &graphicsPipelineParams);
 647                 }
 648         }
 649
 650         // Create vertex buffer
 651         {
 652                 const VkBufferCreateInfo vertexBufferParams =
 653                 {
 654                         VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO,           // VkStructureType              sType;
 655                         DE_NULL,                                                                        // const void*                  pNext;
 656                         0u,                                                                                     // VkBufferCreateFlags  flags;
 657                         1024u,                                                                          // VkDeviceSize                 size;
 658                         VK_BUFFER_USAGE_VERTEX_BUFFER_BIT,                      // VkBufferUsageFlags   usage;
 659                         VK_SHARING_MODE_EXCLUSIVE,                                      // VkSharingMode                sharingMode;
 660                         1u,                                                                                     // deUint32                             queueFamilyIndexCount;
 661                         &queueFamilyIndex                                                       // const deUint32*              pQueueFamilyIndices;
 662                 };
 663
 664                 m_vertices                      = createOverlappingQuads();
 665                 m_vertexBuffer          = createBuffer(vk, vkDevice, &vertexBufferParams);
 666                 m_vertexBufferAlloc     = memAlloc.allocate(getBufferMemoryRequirements(vk, vkDevice, *m_vertexBuffer), MemoryRequirement::HostVisible);
 667
 668                 VK_CHECK(vk.bindBufferMemory(vkDevice, *m_vertexBuffer, m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset()));
 669
 670                 // Adjust vertex colors
 671                 if (!isFloatFormat(m_colorFormat))
 672                 {
 673                         const tcu::TextureFormatInfo formatInfo = tcu::getTextureFormatInfo(mapVkFormat(m_colorFormat));
 674                         for (size_t vertexNdx = 0; vertexNdx < m_vertices.size(); vertexNdx++)
 675                                 m_vertices[vertexNdx].color = (m_vertices[vertexNdx].color - formatInfo.lookupBias) / formatInfo.lookupScale;
 676                 }
 677
 678                 // Upload vertex data
 679                 deMemcpy(m_vertexBufferAlloc->getHostPtr(), m_vertices.data(), m_vertices.size() * sizeof(Vertex4RGBA));
 680
 681                 const VkMappedMemoryRange flushRange =
 682                 {
 683                         VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE,  // VkStructureType      sType;
 684                         DE_NULL,                                                                // const void*          pNext;
 685                         m_vertexBufferAlloc->getMemory(),               // VkDeviceMemory       memory;
 686                         m_vertexBufferAlloc->getOffset(),               // VkDeviceSize         offset;
 687                         vertexBufferParams.size                                 // VkDeviceSize         size;
 688                 };
 689
 690                 vk.flushMappedMemoryRanges(vkDevice, 1, &flushRange);
 691         }
 692
 693         // Create command pool
 694         {
 695                 const VkCommandPoolCreateInfo cmdPoolParams =
 696                 {
 697                         VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,             // VkStructureType                      sType;
 698                         DE_NULL,                                                                                // const void*                          pNext;
 699                         VK_COMMAND_POOL_CREATE_TRANSIENT_BIT,                   // VkCommandPoolCreateFlags     flags;
 700                         queueFamilyIndex                                                                // deUint32                                     queueFamilyIndex;
 701                 };
 702
 703                 m_cmdPool = createCommandPool(vk, vkDevice, &cmdPoolParams);
 704         }
 705
 706         // Create command buffer
 707         {
 708                 const VkCommandBufferAllocateInfo cmdBufferAllocateInfo =
 709                 {
 710                         VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO, // VkStructureType                      sType;
 711                         DE_NULL,                                                                                // const void*                          pNext;
 712                         *m_cmdPool,                                                                             // VkCommandPool                        commandPool;
 713                         VK_COMMAND_BUFFER_LEVEL_PRIMARY,                                // VkCommandBufferLevel         level;
 714                         1u,                                                                                             // deUint32                             bufferCount;
 715                 };
 716
 717                 const VkCommandBufferBeginInfo cmdBufferBeginInfo =
 718                 {
 719                         VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO,    // VkStructureType                                      sType;
 720                         DE_NULL,                                                                                // const void*                                          pNext;
 721                         0u,                                                                                             // VkCommandBufferUsageFlags            flags;
 722                         (const VkCommandBufferInheritanceInfo*)DE_NULL,
 723                 };
 724
 725                 const VkClearValue attachmentClearValue = defaultClearValue(m_colorFormat);
 726
 727                 const VkRenderPassBeginInfo renderPassBeginInfo =
 728                 {
 729                         VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO,                               // VkStructureType              sType;
 730                         DE_NULL,                                                                                                // const void*                  pNext;
 731                         *m_renderPass,                                                                                  // VkRenderPass                 renderPass;
 732                         *m_framebuffer,                                                                                 // VkFramebuffer                framebuffer;
 733                         { { 0, 0 }, { m_renderSize.x(), m_renderSize.y() } },   // VkRect2D                             renderArea;
 734                         1,                                                                                                              // deUint32                             clearValueCount;
 735                         &attachmentClearValue                                                                   // const VkClearValue*  pClearValues;
 736                 };
 737
 738                 // Color image layout transition
 739                 const VkImageMemoryBarrier imageLayoutBarrier =
 740                 {
 741                         VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,                                                                 // VkStructureType            sType;
 742                         DE_NULL,                                                                                                                                // const void*                pNext;
 743                         (VkAccessFlags)0,                                                                                                               // VkAccessFlags              srcAccessMask;
 744                         VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT,                                                                   // VkAccessFlags              dstAccessMask;
 745                         VK_IMAGE_LAYOUT_UNDEFINED,                                                                                              // VkImageLayout              oldLayout;
 746                         VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL,                                                               // VkImageLayout              newLayout;
 747                         VK_QUEUE_FAMILY_IGNORED,                                                                                                // uint32_t                   srcQueueFamilyIndex;
 748                         VK_QUEUE_FAMILY_IGNORED,                                                                                                // uint32_t                   dstQueueFamilyIndex;
 749                         *m_colorImage,                                                                                                                  // VkImage                    image;
 750                         { VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u }                                                   // VkImageSubresourceRange    subresourceRange;
 751                 };
 752
 753                 m_cmdBuffer = allocateCommandBuffer(vk, vkDevice, &cmdBufferAllocateInfo);
 754
 755                 VK_CHECK(vk.beginCommandBuffer(*m_cmdBuffer, &cmdBufferBeginInfo));
 756
 757                 vk.cmdPipelineBarrier(*m_cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, (VkDependencyFlags)0,
 758                         0u, DE_NULL, 0u, DE_NULL, 1u, &imageLayoutBarrier);
 759
 760                 vk.cmdBeginRenderPass(*m_cmdBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
 761
 762                 const VkDeviceSize quadOffset = (m_vertices.size() / BlendTest::QUAD_COUNT) * sizeof(Vertex4RGBA);
 763
 764                 for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
 765                 {
 766                         VkDeviceSize vertexBufferOffset = quadOffset * quadNdx;
 767
 768                         vk.cmdBindPipeline(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *m_graphicsPipelines[quadNdx]);
 769                         vk.cmdBindVertexBuffers(*m_cmdBuffer, 0, 1, &m_vertexBuffer.get(), &vertexBufferOffset);
 770                         vk.cmdDraw(*m_cmdBuffer, (deUint32)(m_vertices.size() / BlendTest::QUAD_COUNT), 1, 0, 0);
 771                 }
 772
 773                 vk.cmdEndRenderPass(*m_cmdBuffer);
 774                 VK_CHECK(vk.endCommandBuffer(*m_cmdBuffer));
 775         }
 776
 777         // Create fence
 778         {
 779                 const VkFenceCreateInfo fenceParams =
 780                 {
 781                         VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,    // VkStructureType              sType;
 782                         DE_NULL,                                                                // const void*                  pNext;
 783                         0u                                                                              // VkFenceCreateFlags   flags;
 784                 };
 785
 786                 m_fence = createFence(vk, vkDevice, &fenceParams);
 787         }
 788 }
 789
 790 BlendTestInstance::~BlendTestInstance (void)
 791 {
 792 }
 793
 794 tcu::TestStatus BlendTestInstance::iterate (void)
 795 {
 796         const DeviceInterface&          vk                      = m_context.getDeviceInterface();
 797         const VkDevice                          vkDevice        = m_context.getDevice();
 798         const VkQueue                           queue           = m_context.getUniversalQueue();
 799         const VkSubmitInfo                      submitInfo      =
 800         {
 801                 VK_STRUCTURE_TYPE_SUBMIT_INFO,  // VkStructureType                      sType;
 802                 DE_NULL,                                                // const void*                          pNext;
 803                 0u,                                                             // deUint32                                     waitSemaphoreCount;
 804                 DE_NULL,                                                // const VkSemaphore*           pWaitSemaphores;
 805                 (const VkPipelineStageFlags*)DE_NULL,
 806                 1u,                                                             // deUint32                                     commandBufferCount;
 807                 &m_cmdBuffer.get(),                             // const VkCommandBuffer*       pCommandBuffers;
 808                 0u,                                                             // deUint32                                     signalSemaphoreCount;
 809                 DE_NULL                                                 // const VkSemaphore*           pSignalSemaphores;
 810         };
 811
 812         VK_CHECK(vk.resetFences(vkDevice, 1, &m_fence.get()));
 813         VK_CHECK(vk.queueSubmit(queue, 1, &submitInfo, *m_fence));
 814         VK_CHECK(vk.waitForFences(vkDevice, 1, &m_fence.get(), true, ~(0ull) /* infinity */));
 815
 816         return verifyImage();
 817 }
 818
 819 float BlendTestInstance::getNormChannelThreshold (const tcu::TextureFormat& format, int numBits)
 820 {
 821         switch (tcu::getTextureChannelClass(format.type))
 822         {
 823                 case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT:     return BlendTest::QUAD_COUNT / static_cast<float>((1 << numBits) - 1);
 824                 case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT:       return BlendTest::QUAD_COUNT / static_cast<float>((1 << (numBits - 1)) - 1);
 825                 default:
 826                         break;
 827         }
 828
 829         DE_ASSERT(false);
 830         return 0.0f;
 831 }
 832
 833 tcu::Vec4 BlendTestInstance::getFormatThreshold (const tcu::TextureFormat& format)
 834 {
 835         using tcu::Vec4;
 836         using tcu::TextureFormat;
 837
 838         Vec4 threshold(0.01f);
 839
 840         switch (format.type)
 841         {
 842                 case TextureFormat::UNORM_BYTE_44:
 843                         threshold = Vec4(getNormChannelThreshold(format, 4), getNormChannelThreshold(format, 4), 1.0f, 1.0f);
 844                         break;
 845
 846                 case TextureFormat::UNORM_SHORT_565:
 847                         threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 6), getNormChannelThreshold(format, 5), 1.0f);
 848                         break;
 849
 850                 case TextureFormat::UNORM_SHORT_555:
 851                         threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), 1.0f);
 852                         break;
 853
 854                 case TextureFormat::UNORM_SHORT_4444:
 855                         threshold = Vec4(getNormChannelThreshold(format, 4));
 856                         break;
 857
 858                 case TextureFormat::UNORM_SHORT_5551:
 859                         threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), 0.1f);
 860                         break;
 861
 862                 case TextureFormat::UNORM_INT_1010102_REV:
 863                 case TextureFormat::SNORM_INT_1010102_REV:
 864                         threshold = Vec4(getNormChannelThreshold(format, 10), getNormChannelThreshold(format, 10), getNormChannelThreshold(format, 10), 0.34f);
 865                         break;
 866
 867                 case TextureFormat::UNORM_INT8:
 868                 case TextureFormat::SNORM_INT8:
 869                         threshold = Vec4(getNormChannelThreshold(format, 8));
 870                         break;
 871
 872                 case TextureFormat::UNORM_INT16:
 873                 case TextureFormat::SNORM_INT16:
 874                         threshold = Vec4(getNormChannelThreshold(format, 16));
 875                         break;
 876
 877                 case TextureFormat::UNORM_INT32:
 878                 case TextureFormat::SNORM_INT32:
 879                         threshold = Vec4(getNormChannelThreshold(format, 32));
 880                         break;
 881
 882                 case TextureFormat::HALF_FLOAT:
 883                         threshold = Vec4(0.005f);
 884                         break;
 885
 886                 case TextureFormat::FLOAT:
 887                         threshold = Vec4(0.00001f);
 888                         break;
 889
 890                 case TextureFormat::UNSIGNED_INT_11F_11F_10F_REV:
 891                         threshold = Vec4(0.02f, 0.02f, 0.0625f, 1.0f);
 892                         break;
 893
 894                 case TextureFormat::UNSIGNED_INT_999_E5_REV:
 895                         threshold = Vec4(0.05f, 0.05f, 0.05f, 1.0f);
 896                         break;
 897
 898                 default:
 899                         DE_ASSERT(false);
 900         }
 901
 902         // Return value matching the channel order specified by the format
 903         if (format.order == tcu::TextureFormat::BGR || format.order == tcu::TextureFormat::BGRA)
 904                 return threshold.swizzle(2, 1, 0, 3);
 905         else
 906                 return threshold;
 907 }
 908
 909 tcu::TestStatus BlendTestInstance::verifyImage (void)
 910 {
 911         const tcu::TextureFormat        tcuColorFormat  = mapVkFormat(m_colorFormat);
 912         const tcu::TextureFormat        tcuDepthFormat  = tcu::TextureFormat(); // Undefined depth/stencil format
 913         const ColorVertexShader         vertexShader;
 914         const ColorFragmentShader       fragmentShader  (tcuColorFormat, tcuDepthFormat);
 915         const rr::Program                       program                 (&vertexShader, &fragmentShader);
 916         ReferenceRenderer                       refRenderer             (m_renderSize.x(), m_renderSize.y(), 1, tcuColorFormat, tcuDepthFormat, &program);
 917         bool                                            compareOk               = false;
 918
 919         // Render reference image
 920         {
 921                 for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
 922                 {
 923                         const VkPipelineColorBlendAttachmentState& blendState = m_blendStates[quadNdx];
 924
 925                         // Set blend state
 926                         rr::RenderState renderState                                     (refRenderer.getViewportState());
 927                         renderState.fragOps.blendMode                           = rr::BLENDMODE_STANDARD;
 928                         renderState.fragOps.blendRGBState.srcFunc       = mapVkBlendFactor(blendState.srcColorBlendFactor);
 929                         renderState.fragOps.blendRGBState.dstFunc       = mapVkBlendFactor(blendState.dstColorBlendFactor);
 930                         renderState.fragOps.blendRGBState.equation      = mapVkBlendOp(blendState.colorBlendOp);
 931                         renderState.fragOps.blendAState.srcFunc         = mapVkBlendFactor(blendState.srcAlphaBlendFactor);
 932                         renderState.fragOps.blendAState.dstFunc         = mapVkBlendFactor(blendState.dstAlphaBlendFactor);
 933                         renderState.fragOps.blendAState.equation        = mapVkBlendOp(blendState.alphaBlendOp);
 934                         renderState.fragOps.blendColor                          = BlendTest::s_blendConst;
 935                         renderState.fragOps.colorMask                           = mapVkColorComponentFlags(BlendTest::s_colorWriteMasks[quadNdx]);
 936
 937                         refRenderer.draw(renderState,
 938                                                          rr::PRIMITIVETYPE_TRIANGLES,
 939                                                          std::vector<Vertex4RGBA>(m_vertices.begin() + quadNdx * 6,
 940                                                                                                           m_vertices.begin() + (quadNdx + 1) * 6));
 941                 }
 942         }
 943
 944
 945         // Compare result with reference image
 946         {
 947                 const DeviceInterface&                          vk                                                      = m_context.getDeviceInterface();
 948                 const VkDevice                                          vkDevice                                        = m_context.getDevice();
 949                 const VkQueue                                           queue                                           = m_context.getUniversalQueue();
 950                 const deUint32                                          queueFamilyIndex                        = m_context.getUniversalQueueFamilyIndex();
 951                 SimpleAllocator                                         allocator                                       (vk, vkDevice, getPhysicalDeviceMemoryProperties(m_context.getInstanceInterface(), m_context.getPhysicalDevice()));
 952                 de::UniquePtr<tcu::TextureLevel>        result                                          (readColorAttachment(vk, vkDevice, queue, queueFamilyIndex, allocator, *m_colorImage, m_colorFormat, m_renderSize).release());
 953                 const tcu::Vec4                                         threshold                                       (getFormatThreshold(tcuColorFormat));
 954
 955                 compareOk = tcu::floatThresholdCompare(m_context.getTestContext().getLog(),
 956                                                                                            "FloatImageCompare",
 957                                                                                            "Image comparison",
 958                                                                                            refRenderer.getAccess(),
 959                                                                                            result->getAccess(),
 960                                                                                            threshold,
 961                                                                                            tcu::COMPARE_LOG_RESULT);
 962         }
 963
 964         if (compareOk)
 965                 return tcu::TestStatus::pass("Result image matches reference");
 966         else
 967                 return tcu::TestStatus::fail("Image mismatch");
 968 }
 969
 970 } // anonymous
 971
 972 std::string getBlendStateName (const VkPipelineColorBlendAttachmentState& blendState)
 973 {
 974         const char* shortBlendFactorNames[] =
 975         {
 976                 "z",            // VK_BLEND_ZERO
 977                 "o",            // VK_BLEND_ONE
 978                 "sc",           // VK_BLEND_SRC_COLOR
 979                 "1msc",         // VK_BLEND_ONE_MINUS_SRC_COLOR
 980                 "dc",           // VK_BLEND_DEST_COLOR
 981                 "1mdc",         // VK_BLEND_ONE_MINUS_DEST_COLOR
 982                 "sa",           // VK_BLEND_SRC_ALPHA
 983                 "1msa",         // VK_BLEND_ONE_MINUS_SRC_ALPHA
 984                 "da",           // VK_BLEND_DEST_ALPHA
 985                 "1mda",         // VK_BLEND_ONE_MINUS_DEST_ALPHA
 986                 "cc",           // VK_BLEND_CONSTANT_COLOR
 987                 "1mcc",         // VK_BLEND_ONE_MINUS_CONSTANT_COLOR
 988                 "ca",           // VK_BLEND_CONSTANT_ALPHA
 989                 "1mca",         // VK_BLEND_ONE_MINUS_CONSTANT_ALPHA
 990                 "sas"           // VK_BLEND_SRC_ALPHA_SATURATE
 991         };
 992
 993         const char* blendOpNames[] =
 994         {
 995                 "add",          // VK_BLEND_OP_ADD
 996                 "sub",          // VK_BLEND_OP_SUBTRACT
 997                 "rsub",         // VK_BLEND_OP_REVERSE_SUBTRACT
 998                 "min",          // VK_BLEND_OP_MIN
 999                 "max",          // VK_BLEND_OP_MAX
1000         };
1001
1002         std::ostringstream shortName;
1003
1004         shortName << "color_" << shortBlendFactorNames[blendState.srcColorBlendFactor] << "_" << shortBlendFactorNames[blendState.dstColorBlendFactor] << "_" << blendOpNames[blendState.colorBlendOp];
1005         shortName << "_alpha_" << shortBlendFactorNames[blendState.srcAlphaBlendFactor] << "_" << shortBlendFactorNames[blendState.dstAlphaBlendFactor] << "_" << blendOpNames[blendState.alphaBlendOp];
1006
1007         return shortName.str();
1008 }
1009
1010 std::string getBlendStateSetName (const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT])
1011 {
1012         std::ostringstream name;
1013
1014         for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
1015         {
1016                 name << getBlendStateName(blendStates[quadNdx]);
1017
1018                 if (quadNdx < BlendTest::QUAD_COUNT - 1)
1019                         name << "-";
1020         }
1021
1022         return name.str();
1023 }
1024
1025 std::string getBlendStateSetDescription (const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT])
1026 {
1027         std::ostringstream description;
1028
1029         description << "Draws " << BlendTest::QUAD_COUNT << " quads with the following blend states:\n";
1030
1031         for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
1032                 description << blendStates[quadNdx] << "\n";
1033
1034         return description.str();
1035 }
1036
1037 std::string getFormatCaseName (VkFormat format)
1038 {
1039         const std::string fullName = getFormatName(format);
1040
1041         DE_ASSERT(de::beginsWith(fullName, "VK_FORMAT_"));
1042
1043         return de::toLower(fullName.substr(10));
1044 }
1045
1046 tcu::TestCaseGroup* createBlendTests (tcu::TestContext& testCtx)
1047 {
1048         const deUint32 blendStatesPerFormat = 100 * BlendTest::QUAD_COUNT;
1049
1050         // Formats that are dEQP-compatible, non-integer and uncompressed
1051         const VkFormat blendFormats[] =
1052         {
1053                 VK_FORMAT_R4G4_UNORM_PACK8,
1054                 VK_FORMAT_R4G4B4A4_UNORM_PACK16,
1055                 VK_FORMAT_R5G6B5_UNORM_PACK16,
1056                 VK_FORMAT_R5G5B5A1_UNORM_PACK16,
1057                 VK_FORMAT_R8_UNORM,
1058                 VK_FORMAT_R8_SNORM,
1059                 VK_FORMAT_R8_SRGB,
1060                 VK_FORMAT_R8G8_UNORM,
1061                 VK_FORMAT_R8G8_SNORM,
1062                 VK_FORMAT_R8G8_SRGB,
1063                 VK_FORMAT_R8G8B8_UNORM,
1064                 VK_FORMAT_R8G8B8_SNORM,
1065                 VK_FORMAT_R8G8B8_SRGB,
1066                 VK_FORMAT_R8G8B8A8_UNORM,
1067                 VK_FORMAT_R8G8B8A8_SNORM,
1068                 VK_FORMAT_R8G8B8A8_SRGB,
1069                 VK_FORMAT_A2R10G10B10_UNORM_PACK32,
1070                 VK_FORMAT_R16_UNORM,
1071                 VK_FORMAT_R16_SNORM,
1072                 VK_FORMAT_R16_SFLOAT,
1073                 VK_FORMAT_R16G16_UNORM,
1074                 VK_FORMAT_R16G16_SNORM,
1075                 VK_FORMAT_R16G16_SFLOAT,
1076                 VK_FORMAT_R16G16B16_UNORM,
1077                 VK_FORMAT_R16G16B16_SNORM,
1078                 VK_FORMAT_R16G16B16_SFLOAT,
1079                 VK_FORMAT_R16G16B16A16_UNORM,
1080                 VK_FORMAT_R16G16B16A16_SNORM,
1081                 VK_FORMAT_R16G16B16A16_SFLOAT,
1082                 VK_FORMAT_R32_SFLOAT,
1083                 VK_FORMAT_R32G32_SFLOAT,
1084                 VK_FORMAT_R32G32B32_SFLOAT,
1085                 VK_FORMAT_R32G32B32A32_SFLOAT,
1086                 VK_FORMAT_B10G11R11_UFLOAT_PACK32,
1087                 VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
1088                 VK_FORMAT_B4G4R4A4_UNORM_PACK16,
1089                 VK_FORMAT_B5G5R5A1_UNORM_PACK16,
1090         };
1091
1092         de::MovePtr<tcu::TestCaseGroup>         blendTests              (new tcu::TestCaseGroup(testCtx, "blend", "Blend tests"));
1093         de::MovePtr<tcu::TestCaseGroup>         formatTests             (new tcu::TestCaseGroup(testCtx, "format", "Uses different blend formats"));
1094         BlendStateUniqueRandomIterator          blendStateItr   (blendStatesPerFormat, 123);
1095
1096         for (size_t formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(blendFormats); formatNdx++)
1097         {
1098                 const VkFormat                                  format                  = blendFormats[formatNdx];
1099                 de::MovePtr<tcu::TestCaseGroup> formatTest              (new tcu::TestCaseGroup(testCtx,
1100                                                                                                                                                                 getFormatCaseName(format).c_str(),
1101                                                                                                                                                                 (std::string("Uses format ") + getFormatName(format)).c_str()));
1102                 de::MovePtr<tcu::TestCaseGroup> blendStateTests;
1103                 {
1104                         std::ostringstream blendStateDescription;
1105                         blendStateDescription << "Combines blend factors, operators and channel write masks. The constant color used in all tests is " << BlendTest::s_blendConst;
1106                         blendStateTests = de::MovePtr<tcu::TestCaseGroup>(new tcu::TestCaseGroup(testCtx, "states", blendStateDescription.str().c_str()));
1107                 }
1108
1109                 blendStateItr.reset();
1110
1111                 while (blendStateItr.hasNext())
1112                 {
1113                         VkPipelineColorBlendAttachmentState quadBlendConfigs[BlendTest::QUAD_COUNT];
1114
1115                         for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
1116                         {
1117                                 quadBlendConfigs[quadNdx]                                       = blendStateItr.next();
1118                                 quadBlendConfigs[quadNdx].colorWriteMask        = BlendTest::s_colorWriteMasks[quadNdx];
1119                         }
1120
1121                         blendStateTests->addChild(new BlendTest(testCtx,
1122                                                                                                         getBlendStateSetName(quadBlendConfigs),
1123                                                                                                         getBlendStateSetDescription(quadBlendConfigs),
1124                                                                                                         format,
1125                                                                                                         quadBlendConfigs));
1126                 }
1127                 formatTest->addChild(blendStateTests.release());
1128                 formatTests->addChild(formatTest.release());
1129         }
1130         blendTests->addChild(formatTests.release());
1131
1132         return blendTests.release();
1133 }
1134
1135 } // pipeline
1136 } // vkt