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/*------------------------------------------------------------------------
* Vulkan Conformance Tests
* ------------------------
*
* Copyright (c) 2015 The Khronos Group Inc.
* Copyright (c) 2015 Imagination Technologies Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*//*!
* \file
* \brief Blend Tests
*//*--------------------------------------------------------------------*/
#include "vktPipelineBlendTests.hpp"
#include "vktPipelineClearUtil.hpp"
#include "vktPipelineImageUtil.hpp"
#include "vktPipelineVertexUtil.hpp"
#include "vktPipelineUniqueRandomIterator.hpp"
#include "vktPipelineReferenceRenderer.hpp"
#include "vktTestCase.hpp"
#include "vkImageUtil.hpp"
#include "vkMemUtil.hpp"
#include "vkPlatform.hpp"
#include "vkPrograms.hpp"
#include "vkQueryUtil.hpp"
#include "vkRef.hpp"
#include "vkRefUtil.hpp"
#include "tcuImageCompare.hpp"
#include "tcuPlatform.hpp"
#include "tcuTextureUtil.hpp"
#include "deRandom.hpp"
#include "deStringUtil.hpp"
#include "deUniquePtr.hpp"
#include <cstring>
#include <set>
#include <sstream>
#include <vector>
namespace vkt
{
namespace pipeline
{
using namespace vk;
namespace
{
bool isSupportedBlendFormat (const InstanceInterface& instanceInterface, VkPhysicalDevice device, VkFormat format)
{
VkFormatProperties formatProps;
instanceInterface.getPhysicalDeviceFormatProperties(device, format, &formatProps);
return (formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT) &&
(formatProps.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT);
}
class BlendStateUniqueRandomIterator : public UniqueRandomIterator<VkPipelineColorBlendAttachmentState>
{
public:
BlendStateUniqueRandomIterator (deUint32 numberOfCombinations, int seed);
virtual ~BlendStateUniqueRandomIterator (void) {}
VkPipelineColorBlendAttachmentState getIndexedValue (deUint32 index);
private:
const static VkBlendFactor m_blendFactors[];
const static VkBlendOp m_blendOps[];
// Pre-calculated constants
const static deUint32 m_blendFactorsLength;
const static deUint32 m_blendFactorsLength2;
const static deUint32 m_blendFactorsLength3;
const static deUint32 m_blendFactorsLength4;
const static deUint32 m_blendOpsLength;
// Total number of cross-combinations of (srcBlendColor x destBlendColor x blendOpColor x srcBlendAlpha x destBlendAlpha x blendOpAlpha)
const static deUint32 m_totalBlendStates;
};
class BlendTest : public vkt::TestCase
{
public:
enum
{
QUAD_COUNT = 4
};
const static VkColorComponentFlags s_colorWriteMasks[QUAD_COUNT];
const static tcu::Vec4 s_blendConst;
BlendTest (tcu::TestContext& testContext,
const std::string& name,
const std::string& description,
const VkFormat colorFormat,
const VkPipelineColorBlendAttachmentState blendStates[QUAD_COUNT]);
virtual ~BlendTest (void);
virtual void initPrograms (SourceCollections& sourceCollections) const;
virtual TestInstance* createInstance (Context& context) const;
private:
const VkFormat m_colorFormat;
VkPipelineColorBlendAttachmentState m_blendStates[QUAD_COUNT];
};
class BlendTestInstance : public vkt::TestInstance
{
public:
BlendTestInstance (Context& context, const VkFormat colorFormat, const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT]);
virtual ~BlendTestInstance (void);
virtual tcu::TestStatus iterate (void);
private:
static float getNormChannelThreshold (const tcu::TextureFormat& format, int numBits);
static tcu::Vec4 getFormatThreshold (const tcu::TextureFormat& format);
tcu::TestStatus verifyImage (void);
VkPipelineColorBlendAttachmentState m_blendStates[BlendTest::QUAD_COUNT];
const tcu::UVec2 m_renderSize;
const VkFormat m_colorFormat;
VkImageCreateInfo m_colorImageCreateInfo;
Move<VkImage> m_colorImage;
de::MovePtr<Allocation> m_colorImageAlloc;
Move<VkImageView> m_colorAttachmentView;
Move<VkRenderPass> m_renderPass;
Move<VkFramebuffer> m_framebuffer;
Move<VkShaderModule> m_vertexShaderModule;
Move<VkShaderModule> m_fragmentShaderModule;
Move<VkBuffer> m_vertexBuffer;
std::vector<Vertex4RGBA> m_vertices;
de::MovePtr<Allocation> m_vertexBufferAlloc;
Move<VkPipelineLayout> m_pipelineLayout;
Move<VkPipeline> m_graphicsPipelines[BlendTest::QUAD_COUNT];
Move<VkCommandPool> m_cmdPool;
Move<VkCommandBuffer> m_cmdBuffer;
Move<VkFence> m_fence;
};
// BlendStateUniqueRandomIterator
const VkBlendFactor BlendStateUniqueRandomIterator::m_blendFactors[] =
{
VK_BLEND_FACTOR_ZERO,
VK_BLEND_FACTOR_ONE,
VK_BLEND_FACTOR_SRC_COLOR,
VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR,
VK_BLEND_FACTOR_DST_COLOR,
VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR,
VK_BLEND_FACTOR_SRC_ALPHA,
VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA,
VK_BLEND_FACTOR_DST_ALPHA,
VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA,
VK_BLEND_FACTOR_CONSTANT_COLOR,
VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR,
VK_BLEND_FACTOR_CONSTANT_ALPHA,
VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA,
VK_BLEND_FACTOR_SRC_ALPHA_SATURATE
};
const VkBlendOp BlendStateUniqueRandomIterator::m_blendOps[] =
{
VK_BLEND_OP_ADD,
VK_BLEND_OP_SUBTRACT,
VK_BLEND_OP_REVERSE_SUBTRACT,
VK_BLEND_OP_MIN,
VK_BLEND_OP_MAX
};
const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength = DE_LENGTH_OF_ARRAY(m_blendFactors);
const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength2 = m_blendFactorsLength * m_blendFactorsLength;
const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength3 = m_blendFactorsLength2 * m_blendFactorsLength;
const deUint32 BlendStateUniqueRandomIterator::m_blendFactorsLength4 = m_blendFactorsLength3 * m_blendFactorsLength;
const deUint32 BlendStateUniqueRandomIterator::m_blendOpsLength = DE_LENGTH_OF_ARRAY(m_blendOps);
const deUint32 BlendStateUniqueRandomIterator::m_totalBlendStates = m_blendFactorsLength4 * m_blendOpsLength * m_blendOpsLength;
BlendStateUniqueRandomIterator::BlendStateUniqueRandomIterator (deUint32 numberOfCombinations, int seed)
: UniqueRandomIterator<VkPipelineColorBlendAttachmentState>(numberOfCombinations, m_totalBlendStates, seed)
{
}
VkPipelineColorBlendAttachmentState BlendStateUniqueRandomIterator::getIndexedValue (deUint32 index)
{
const deUint32 blendOpAlphaIndex = index / (m_blendFactorsLength4 * m_blendOpsLength);
const deUint32 blendOpAlphaSeqIndex = blendOpAlphaIndex * (m_blendFactorsLength4 * m_blendOpsLength);
const deUint32 destBlendAlphaIndex = (index - blendOpAlphaSeqIndex) / (m_blendFactorsLength3 * m_blendOpsLength);
const deUint32 destBlendAlphaSeqIndex = destBlendAlphaIndex * (m_blendFactorsLength3 * m_blendOpsLength);
const deUint32 srcBlendAlphaIndex = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex) / (m_blendFactorsLength2 * m_blendOpsLength);
const deUint32 srcBlendAlphaSeqIndex = srcBlendAlphaIndex * (m_blendFactorsLength2 * m_blendOpsLength);
const deUint32 blendOpColorIndex = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex) / m_blendFactorsLength2;
const deUint32 blendOpColorSeqIndex = blendOpColorIndex * m_blendFactorsLength2;
const deUint32 destBlendColorIndex = (index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex - blendOpColorSeqIndex) / m_blendFactorsLength;
const deUint32 destBlendColorSeqIndex = destBlendColorIndex * m_blendFactorsLength;
const deUint32 srcBlendColorIndex = index - blendOpAlphaSeqIndex - destBlendAlphaSeqIndex - srcBlendAlphaSeqIndex - blendOpColorSeqIndex - destBlendColorSeqIndex;
const VkPipelineColorBlendAttachmentState blendAttachmentState =
{
true, // VkBool32 blendEnable;
m_blendFactors[srcBlendColorIndex], // VkBlendFactor srcColorBlendFactor;
m_blendFactors[destBlendColorIndex], // VkBlendFactor dstColorBlendFactor;
m_blendOps[blendOpColorIndex], // VkBlendOp colorBlendOp;
m_blendFactors[srcBlendAlphaIndex], // VkBlendFactor srcAlphaBlendFactor;
m_blendFactors[destBlendAlphaIndex], // VkBlendFactor dstAlphaBlendFactor;
m_blendOps[blendOpAlphaIndex], // VkBlendOp alphaBlendOp;
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | // VkColorComponentFlags colorWriteMask;
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT
};
return blendAttachmentState;
}
// BlendTest
const VkColorComponentFlags BlendTest::s_colorWriteMasks[BlendTest::QUAD_COUNT] = { VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT, // Pair of channels: R & G
VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT, // Pair of channels: G & B
VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT, // Pair of channels: B & A
VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT }; // All channels
const tcu::Vec4 BlendTest::s_blendConst = tcu::Vec4(0.1f, 0.2f, 0.3f, 0.4f);
BlendTest::BlendTest (tcu::TestContext& testContext,
const std::string& name,
const std::string& description,
const VkFormat colorFormat,
const VkPipelineColorBlendAttachmentState blendStates[QUAD_COUNT])
: vkt::TestCase (testContext, name, description)
, m_colorFormat(colorFormat)
{
deMemcpy(m_blendStates, blendStates, sizeof(VkPipelineColorBlendAttachmentState) * QUAD_COUNT);
}
BlendTest::~BlendTest (void)
{
}
TestInstance* BlendTest::createInstance(Context& context) const
{
return new BlendTestInstance(context, m_colorFormat, m_blendStates);
}
void BlendTest::initPrograms (SourceCollections& sourceCollections) const
{
std::ostringstream fragmentSource;
sourceCollections.glslSources.add("color_vert") << glu::VertexSource(
"#version 310 es\n"
"layout(location = 0) in highp vec4 position;\n"
"layout(location = 1) in highp vec4 color;\n"
"layout(location = 0) out highp vec4 vtxColor;\n"
"void main (void)\n"
"{\n"
" gl_Position = position;\n"
" vtxColor = color;\n"
"}\n");
fragmentSource << "#version 310 es\n"
"layout(location = 0) in highp vec4 vtxColor;\n"
"layout(location = 0) out highp vec4 fragColor;\n"
"void main (void)\n"
"{\n"
" fragColor = vtxColor;\n"
"}\n";
sourceCollections.glslSources.add("color_frag") << glu::FragmentSource(fragmentSource.str());
}
// BlendTestInstance
BlendTestInstance::BlendTestInstance (Context& context,
const VkFormat colorFormat,
const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT])
: vkt::TestInstance (context)
, m_renderSize (32, 32)
, m_colorFormat (colorFormat)
{
const DeviceInterface& vk = m_context.getDeviceInterface();
const VkDevice vkDevice = m_context.getDevice();
const deUint32 queueFamilyIndex = m_context.getUniversalQueueFamilyIndex();
SimpleAllocator memAlloc (vk, vkDevice, getPhysicalDeviceMemoryProperties(m_context.getInstanceInterface(), m_context.getPhysicalDevice()));
// Copy depth operators
deMemcpy(m_blendStates, blendStates, sizeof(VkPipelineColorBlendAttachmentState) * BlendTest::QUAD_COUNT);
// Create color image
{
if (!isSupportedBlendFormat(context.getInstanceInterface(), context.getPhysicalDevice(), m_colorFormat))
throw tcu::NotSupportedError(std::string("Unsupported color blending format: ") + getFormatName(m_colorFormat));
const VkImageCreateInfo colorImageParams =
{
VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkImageCreateFlags flags;
VK_IMAGE_TYPE_2D, // VkImageType imageType;
m_colorFormat, // VkFormat format;
{ m_renderSize.x(), m_renderSize.y(), 1u }, // VkExtent3D extent;
1u, // deUint32 mipLevels;
1u, // deUint32 arrayLayers;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_IMAGE_TILING_OPTIMAL, // VkImageTiling tiling;
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT, // VkImageUsageFlags usage;
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode sharingMode;
1u, // deUint32 queueFamilyIndexCount;
&queueFamilyIndex, // const deUint32* pQueueFamilyIndices;
VK_IMAGE_LAYOUT_UNDEFINED // VkImageLayout initialLayout;
};
m_colorImageCreateInfo = colorImageParams;
m_colorImage = createImage(vk, vkDevice, &m_colorImageCreateInfo);
// Allocate and bind color image memory
m_colorImageAlloc = memAlloc.allocate(getImageMemoryRequirements(vk, vkDevice, *m_colorImage), MemoryRequirement::Any);
VK_CHECK(vk.bindImageMemory(vkDevice, *m_colorImage, m_colorImageAlloc->getMemory(), m_colorImageAlloc->getOffset()));
}
// Create color attachment view
{
const VkImageViewCreateInfo colorAttachmentViewParams =
{
VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkImageViewCreateFlags flags;
*m_colorImage, // VkImage image;
VK_IMAGE_VIEW_TYPE_2D, // VkImageViewType viewType;
m_colorFormat, // VkFormat format;
{VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY, VK_COMPONENT_SWIZZLE_IDENTITY},
{ VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u } // VkImageSubresourceRange subresourceRange;
};
m_colorAttachmentView = createImageView(vk, vkDevice, &colorAttachmentViewParams);
}
// Create render pass
{
const VkAttachmentDescription colorAttachmentDescription =
{
0u, // VkAttachmentDescriptionFlags flags;
m_colorFormat, // VkFormat format;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
VK_ATTACHMENT_LOAD_OP_CLEAR, // VkAttachmentLoadOp loadOp;
VK_ATTACHMENT_STORE_OP_STORE, // VkAttachmentStoreOp storeOp;
VK_ATTACHMENT_LOAD_OP_DONT_CARE, // VkAttachmentLoadOp stencilLoadOp;
VK_ATTACHMENT_STORE_OP_DONT_CARE, // VkAttachmentStoreOp stencilStoreOp;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout initialLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout finalLayout;
};
const VkAttachmentReference colorAttachmentReference =
{
0u, // deUint32 attachment;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
};
const VkSubpassDescription subpassDescription =
{
0u, // VkSubpassDescriptionFlag flags;
VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint;
0u, // deUint32 inputAttachmentCount;
DE_NULL, // const VkAttachmentReference* pInputAttachments;
1u, // deUint32 colorAttachmentCount;
&colorAttachmentReference, // const VkAttachmentReference* pColorAttachments;
DE_NULL, // const VkAttachmentReference* pResolveAttachments;
DE_NULL, // const VkAttachmentReference* pDepthStencilAttachment;
0u, // deUint32 preserveAttachmentCount;
DE_NULL // const VkAttachmentReference* pPreserveAttachments;
};
const VkRenderPassCreateInfo renderPassParams =
{
VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkRenderPassCreateFlags flags;
1u, // deUint32 attachmentCount;
&colorAttachmentDescription, // const VkAttachmentDescription* pAttachments;
1u, // deUint32 subpassCount;
&subpassDescription, // const VkSubpassDescription* pSubpasses;
0u, // deUint32 dependencyCount;
DE_NULL // const VkSubpassDependency* pDependencies;
};
m_renderPass = createRenderPass(vk, vkDevice, &renderPassParams);
}
// Create framebuffer
{
const VkFramebufferCreateInfo framebufferParams =
{
VK_STRUCTURE_TYPE_FRAMEBUFFER_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkFramebufferCreateFlags flags;
*m_renderPass, // VkRenderPass renderPass;
1u, // deUint32 attachmentCount;
&m_colorAttachmentView.get(), // const VkImageView* pAttachments;
(deUint32)m_renderSize.x(), // deUint32 width;
(deUint32)m_renderSize.y(), // deUint32 height;
1u // deUint32 layers;
};
m_framebuffer = createFramebuffer(vk, vkDevice, &framebufferParams);
}
// Create pipeline layout
{
const VkPipelineLayoutCreateInfo pipelineLayoutParams =
{
VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineLayoutCreateFlags flags;
0u, // deUint32 setLayoutCount;
DE_NULL, // const VkDescriptorSetLayout* pSetLayouts;
0u, // deUint32 pushConstantRangeCount;
DE_NULL // const VkPushConstantRange* pPushConstantRanges;
};
m_pipelineLayout = createPipelineLayout(vk, vkDevice, &pipelineLayoutParams);
}
m_vertexShaderModule = createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("color_vert"), 0);
m_fragmentShaderModule = createShaderModule(vk, vkDevice, m_context.getBinaryCollection().get("color_frag"), 0);
// Create pipeline
{
const VkPipelineShaderStageCreateInfo shaderStages[2] =
{
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineShaderStageCreateFlags flags;
VK_SHADER_STAGE_VERTEX_BIT, // VkShaderStageFlagBits stage;
*m_vertexShaderModule, // VkShaderModule module;
"main", // const char* pName;
DE_NULL // const VkSpecializationInfo* pSpecializationInfo;
},
{
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineShaderStageCreateFlags flags;
VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlagBits stage;
*m_fragmentShaderModule, // VkShaderModule module;
"main", // const char* pName;
DE_NULL // const VkSpecializationInfo* pSpecializationInfo;
}
};
const VkVertexInputBindingDescription vertexInputBindingDescription =
{
0u, // deUint32 binding;
sizeof(Vertex4RGBA), // deUint32 strideInBytes;
VK_VERTEX_INPUT_RATE_VERTEX // VkVertexInputStepRate inputRate;
};
const VkVertexInputAttributeDescription vertexInputAttributeDescriptions[2] =
{
{
0u, // deUint32 location;
0u, // deUint32 binding;
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format;
0u // deUint32 offset;
},
{
1u, // deUint32 location;
0u, // deUint32 binding;
VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format;
(deUint32)(sizeof(float) * 4), // deUint32 offset;
}
};
const VkPipelineVertexInputStateCreateInfo vertexInputStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineVertexInputStateCreateFlags flags;
1u, // deUint32 vertexBindingDescriptionCount;
&vertexInputBindingDescription, // const VkVertexInputBindingDescription* pVertexBindingDescriptions;
2u, // deUint32 vertexAttributeDescriptionCount;
vertexInputAttributeDescriptions // const VkVertexInputAttributeDescription* pVertexAttributeDescriptions;
};
const VkPipelineInputAssemblyStateCreateInfo inputAssemblyStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineInputAssemblyStateCreateFlags flags;
VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, // VkPrimitiveTopology topology;
false // VkBool32 primitiveRestartEnable;
};
const VkViewport viewport =
{
0.0f, // float x;
0.0f, // float y;
(float)m_renderSize.x(), // float width;
(float)m_renderSize.y(), // float height;
0.0f, // float minDepth;
1.0f // float maxDepth;
};
const VkRect2D scissor = { { 0, 0 }, { m_renderSize.x(), m_renderSize.y() } };
const VkPipelineViewportStateCreateInfo viewportStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineViewportStateCreateFlags flags;
1u, // deUint32 viewportCount;
&viewport, // const VkViewport* pViewports;
1u, // deUint32 scissorCount;
&scissor // const VkRect2D* pScissors;
};
const VkPipelineRasterizationStateCreateInfo rasterStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineRasterizationStateCreateFlags flags;
false, // VkBool32 depthClampEnable;
false, // VkBool32 rasterizerDiscardEnable;
VK_POLYGON_MODE_FILL, // VkPolygonMode polygonMode;
VK_CULL_MODE_NONE, // VkCullModeFlags cullMode;
VK_FRONT_FACE_COUNTER_CLOCKWISE, // VkFrontFace frontFace;
false, // VkBool32 depthBiasEnable;
0.0f, // float depthBiasConstantFactor;
0.0f, // float depthBiasClamp;
0.0f, // float depthBiasSlopeFactor;
1.0f // float lineWidth;
};
const VkPipelineMultisampleStateCreateInfo multisampleStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineMultisampleStateCreateFlags flags;
VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits rasterizationSamples;
false, // VkBool32 sampleShadingEnable;
0.0f, // float minSampleShading;
DE_NULL, // const VkSampleMask* pSampleMask;
false, // VkBool32 alphaToCoverageEnable;
false // VkBool32 alphaToOneEnable;
};
const VkPipelineDepthStencilStateCreateInfo depthStencilStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineDepthStencilStateCreateFlags flags;
false, // VkBool32 depthTestEnable;
false, // VkBool32 depthWriteEnable;
VK_COMPARE_OP_LESS, // VkCompareOp depthCompareOp;
false, // VkBool32 depthBoundsTestEnable;
false, // VkBool32 stencilTestEnable;
// VkStencilOpState front;
{
VK_STENCIL_OP_KEEP, // VkStencilOp failOp;
VK_STENCIL_OP_KEEP, // VkStencilOp passOp;
VK_STENCIL_OP_KEEP, // VkStencilOp depthFailOp;
VK_COMPARE_OP_NEVER, // VkCompareOp compareOp;
0u, // deUint32 compareMask;
0u, // deUint32 writeMask;
0u // deUint32 reference;
},
// VkStencilOpState back;
{
VK_STENCIL_OP_KEEP, // VkStencilOp failOp;
VK_STENCIL_OP_KEEP, // VkStencilOp passOp;
VK_STENCIL_OP_KEEP, // VkStencilOp depthFailOp;
VK_COMPARE_OP_NEVER, // VkCompareOp compareOp;
0u, // deUint32 compareMask;
0u, // deUint32 writeMask;
0u // deUint32 reference;
},
0.0f, // float minDepthBounds;
1.0f // float maxDepthBounds;
};
// The color blend attachment will be set up before creating the graphics pipeline.
VkPipelineColorBlendStateCreateInfo colorBlendStateParams =
{
VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineColorBlendStateCreateFlags flags;
false, // VkBool32 logicOpEnable;
VK_LOGIC_OP_COPY, // VkLogicOp logicOp;
0u, // deUint32 attachmentCount;
DE_NULL, // const VkPipelineColorBlendAttachmentState* pAttachments;
{ // float blendConstants[4];
BlendTest::s_blendConst.x(),
BlendTest::s_blendConst.y(),
BlendTest::s_blendConst.z(),
BlendTest::s_blendConst.w()
}
};
const VkGraphicsPipelineCreateInfo graphicsPipelineParams =
{
VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkPipelineCreateFlags flags;
2u, // deUint32 stageCount;
shaderStages, // const VkPipelineShaderStageCreateInfo* pStages;
&vertexInputStateParams, // const VkPipelineVertexInputStateCreateInfo* pVertexInputState;
&inputAssemblyStateParams, // const VkPipelineInputAssemblyStateCreateInfo* pInputAssemblyState;
DE_NULL, // const VkPipelineTessellationStateCreateInfo* pTessellationState;
&viewportStateParams, // const VkPipelineViewportStateCreateInfo* pViewportState;
&rasterStateParams, // const VkPipelineRasterizationStateCreateInfo* pRasterizationState;
&multisampleStateParams, // const VkPipelineMultisampleStateCreateInfo* pMultisampleState;
&depthStencilStateParams, // const VkPipelineDepthStencilStateCreateInfo* pDepthStencilState;
&colorBlendStateParams, // const VkPipelineColorBlendStateCreateInfo* pColorBlendState;
(const VkPipelineDynamicStateCreateInfo*)DE_NULL, // const VkPipelineDynamicStateCreateInfo* pDynamicState;
*m_pipelineLayout, // VkPipelineLayout layout;
*m_renderPass, // VkRenderPass renderPass;
0u, // deUint32 subpass;
0u, // VkPipeline basePipelineHandle;
0u // deInt32 basePipelineIndex;
};
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
{
colorBlendStateParams.attachmentCount = 1u;
colorBlendStateParams.pAttachments = &m_blendStates[quadNdx];
m_graphicsPipelines[quadNdx] = createGraphicsPipeline(vk, vkDevice, DE_NULL, &graphicsPipelineParams);
}
}
// Create vertex buffer
{
const VkBufferCreateInfo vertexBufferParams =
{
VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkBufferCreateFlags flags;
1024u, // VkDeviceSize size;
VK_BUFFER_USAGE_VERTEX_BUFFER_BIT, // VkBufferUsageFlags usage;
VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode sharingMode;
1u, // deUint32 queueFamilyIndexCount;
&queueFamilyIndex // const deUint32* pQueueFamilyIndices;
};
m_vertices = createOverlappingQuads();
m_vertexBuffer = createBuffer(vk, vkDevice, &vertexBufferParams);
m_vertexBufferAlloc = memAlloc.allocate(getBufferMemoryRequirements(vk, vkDevice, *m_vertexBuffer), MemoryRequirement::HostVisible);
VK_CHECK(vk.bindBufferMemory(vkDevice, *m_vertexBuffer, m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset()));
// Adjust vertex colors
if (!isFloatFormat(m_colorFormat))
{
const tcu::TextureFormatInfo formatInfo = tcu::getTextureFormatInfo(mapVkFormat(m_colorFormat));
for (size_t vertexNdx = 0; vertexNdx < m_vertices.size(); vertexNdx++)
m_vertices[vertexNdx].color = (m_vertices[vertexNdx].color - formatInfo.lookupBias) / formatInfo.lookupScale;
}
// Upload vertex data
deMemcpy(m_vertexBufferAlloc->getHostPtr(), m_vertices.data(), m_vertices.size() * sizeof(Vertex4RGBA));
const VkMappedMemoryRange flushRange =
{
VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE, // VkStructureType sType;
DE_NULL, // const void* pNext;
m_vertexBufferAlloc->getMemory(), // VkDeviceMemory memory;
m_vertexBufferAlloc->getOffset(), // VkDeviceSize offset;
vertexBufferParams.size // VkDeviceSize size;
};
vk.flushMappedMemoryRanges(vkDevice, 1, &flushRange);
}
// Create command pool
m_cmdPool = createCommandPool(vk, vkDevice, VK_COMMAND_POOL_CREATE_TRANSIENT_BIT, queueFamilyIndex);
// Create command buffer
{
const VkCommandBufferBeginInfo cmdBufferBeginInfo =
{
VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // VkCommandBufferUsageFlags flags;
(const VkCommandBufferInheritanceInfo*)DE_NULL,
};
const VkClearValue attachmentClearValue = defaultClearValue(m_colorFormat);
const VkRenderPassBeginInfo renderPassBeginInfo =
{
VK_STRUCTURE_TYPE_RENDER_PASS_BEGIN_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
*m_renderPass, // VkRenderPass renderPass;
*m_framebuffer, // VkFramebuffer framebuffer;
{ { 0, 0 }, { m_renderSize.x(), m_renderSize.y() } }, // VkRect2D renderArea;
1, // deUint32 clearValueCount;
&attachmentClearValue // const VkClearValue* pClearValues;
};
// Color image layout transition
const VkImageMemoryBarrier imageLayoutBarrier =
{
VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType;
DE_NULL, // const void* pNext;
(VkAccessFlags)0, // VkAccessFlags srcAccessMask;
VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags dstAccessMask;
VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout oldLayout;
VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout newLayout;
VK_QUEUE_FAMILY_IGNORED, // uint32_t srcQueueFamilyIndex;
VK_QUEUE_FAMILY_IGNORED, // uint32_t dstQueueFamilyIndex;
*m_colorImage, // VkImage image;
{ VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u } // VkImageSubresourceRange subresourceRange;
};
m_cmdBuffer = allocateCommandBuffer(vk, vkDevice, *m_cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY);
VK_CHECK(vk.beginCommandBuffer(*m_cmdBuffer, &cmdBufferBeginInfo));
vk.cmdPipelineBarrier(*m_cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, (VkDependencyFlags)0,
0u, DE_NULL, 0u, DE_NULL, 1u, &imageLayoutBarrier);
vk.cmdBeginRenderPass(*m_cmdBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
const VkDeviceSize quadOffset = (m_vertices.size() / BlendTest::QUAD_COUNT) * sizeof(Vertex4RGBA);
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
{
VkDeviceSize vertexBufferOffset = quadOffset * quadNdx;
vk.cmdBindPipeline(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *m_graphicsPipelines[quadNdx]);
vk.cmdBindVertexBuffers(*m_cmdBuffer, 0, 1, &m_vertexBuffer.get(), &vertexBufferOffset);
vk.cmdDraw(*m_cmdBuffer, (deUint32)(m_vertices.size() / BlendTest::QUAD_COUNT), 1, 0, 0);
}
vk.cmdEndRenderPass(*m_cmdBuffer);
VK_CHECK(vk.endCommandBuffer(*m_cmdBuffer));
}
// Create fence
m_fence = createFence(vk, vkDevice);
}
BlendTestInstance::~BlendTestInstance (void)
{
}
tcu::TestStatus BlendTestInstance::iterate (void)
{
const DeviceInterface& vk = m_context.getDeviceInterface();
const VkDevice vkDevice = m_context.getDevice();
const VkQueue queue = m_context.getUniversalQueue();
const VkSubmitInfo submitInfo =
{
VK_STRUCTURE_TYPE_SUBMIT_INFO, // VkStructureType sType;
DE_NULL, // const void* pNext;
0u, // deUint32 waitSemaphoreCount;
DE_NULL, // const VkSemaphore* pWaitSemaphores;
(const VkPipelineStageFlags*)DE_NULL,
1u, // deUint32 commandBufferCount;
&m_cmdBuffer.get(), // const VkCommandBuffer* pCommandBuffers;
0u, // deUint32 signalSemaphoreCount;
DE_NULL // const VkSemaphore* pSignalSemaphores;
};
VK_CHECK(vk.resetFences(vkDevice, 1, &m_fence.get()));
VK_CHECK(vk.queueSubmit(queue, 1, &submitInfo, *m_fence));
VK_CHECK(vk.waitForFences(vkDevice, 1, &m_fence.get(), true, ~(0ull) /* infinity */));
return verifyImage();
}
float BlendTestInstance::getNormChannelThreshold (const tcu::TextureFormat& format, int numBits)
{
switch (tcu::getTextureChannelClass(format.type))
{
case tcu::TEXTURECHANNELCLASS_UNSIGNED_FIXED_POINT: return BlendTest::QUAD_COUNT / static_cast<float>((1 << numBits) - 1);
case tcu::TEXTURECHANNELCLASS_SIGNED_FIXED_POINT: return BlendTest::QUAD_COUNT / static_cast<float>((1 << (numBits - 1)) - 1);
default:
break;
}
DE_ASSERT(false);
return 0.0f;
}
tcu::Vec4 BlendTestInstance::getFormatThreshold (const tcu::TextureFormat& format)
{
using tcu::Vec4;
using tcu::TextureFormat;
Vec4 threshold(0.01f);
switch (format.type)
{
case TextureFormat::UNORM_BYTE_44:
threshold = Vec4(getNormChannelThreshold(format, 4), getNormChannelThreshold(format, 4), 1.0f, 1.0f);
break;
case TextureFormat::UNORM_SHORT_565:
threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 6), getNormChannelThreshold(format, 5), 1.0f);
break;
case TextureFormat::UNORM_SHORT_555:
threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), 1.0f);
break;
case TextureFormat::UNORM_SHORT_4444:
threshold = Vec4(getNormChannelThreshold(format, 4));
break;
case TextureFormat::UNORM_SHORT_5551:
threshold = Vec4(getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), getNormChannelThreshold(format, 5), 0.1f);
break;
case TextureFormat::UNORM_INT_1010102_REV:
case TextureFormat::SNORM_INT_1010102_REV:
threshold = Vec4(getNormChannelThreshold(format, 10), getNormChannelThreshold(format, 10), getNormChannelThreshold(format, 10), 0.34f);
break;
case TextureFormat::UNORM_INT8:
case TextureFormat::SNORM_INT8:
threshold = Vec4(getNormChannelThreshold(format, 8));
break;
case TextureFormat::UNORM_INT16:
case TextureFormat::SNORM_INT16:
threshold = Vec4(getNormChannelThreshold(format, 16));
break;
case TextureFormat::UNORM_INT32:
case TextureFormat::SNORM_INT32:
threshold = Vec4(getNormChannelThreshold(format, 32));
break;
case TextureFormat::HALF_FLOAT:
threshold = Vec4(0.005f);
break;
case TextureFormat::FLOAT:
threshold = Vec4(0.00001f);
break;
case TextureFormat::UNSIGNED_INT_11F_11F_10F_REV:
threshold = Vec4(0.02f, 0.02f, 0.0625f, 1.0f);
break;
case TextureFormat::UNSIGNED_INT_999_E5_REV:
threshold = Vec4(0.05f, 0.05f, 0.05f, 1.0f);
break;
default:
DE_ASSERT(false);
}
// Return value matching the channel order specified by the format
if (format.order == tcu::TextureFormat::BGR || format.order == tcu::TextureFormat::BGRA)
return threshold.swizzle(2, 1, 0, 3);
else
return threshold;
}
tcu::TestStatus BlendTestInstance::verifyImage (void)
{
const tcu::TextureFormat tcuColorFormat = mapVkFormat(m_colorFormat);
const tcu::TextureFormat tcuDepthFormat = tcu::TextureFormat(); // Undefined depth/stencil format
const ColorVertexShader vertexShader;
const ColorFragmentShader fragmentShader (tcuColorFormat, tcuDepthFormat);
const rr::Program program (&vertexShader, &fragmentShader);
ReferenceRenderer refRenderer (m_renderSize.x(), m_renderSize.y(), 1, tcuColorFormat, tcuDepthFormat, &program);
bool compareOk = false;
// Render reference image
{
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
{
const VkPipelineColorBlendAttachmentState& blendState = m_blendStates[quadNdx];
// Set blend state
rr::RenderState renderState (refRenderer.getViewportState());
renderState.fragOps.blendMode = rr::BLENDMODE_STANDARD;
renderState.fragOps.blendRGBState.srcFunc = mapVkBlendFactor(blendState.srcColorBlendFactor);
renderState.fragOps.blendRGBState.dstFunc = mapVkBlendFactor(blendState.dstColorBlendFactor);
renderState.fragOps.blendRGBState.equation = mapVkBlendOp(blendState.colorBlendOp);
renderState.fragOps.blendAState.srcFunc = mapVkBlendFactor(blendState.srcAlphaBlendFactor);
renderState.fragOps.blendAState.dstFunc = mapVkBlendFactor(blendState.dstAlphaBlendFactor);
renderState.fragOps.blendAState.equation = mapVkBlendOp(blendState.alphaBlendOp);
renderState.fragOps.blendColor = BlendTest::s_blendConst;
renderState.fragOps.colorMask = mapVkColorComponentFlags(BlendTest::s_colorWriteMasks[quadNdx]);
refRenderer.draw(renderState,
rr::PRIMITIVETYPE_TRIANGLES,
std::vector<Vertex4RGBA>(m_vertices.begin() + quadNdx * 6,
m_vertices.begin() + (quadNdx + 1) * 6));
}
}
// Compare result with reference image
{
const DeviceInterface& vk = m_context.getDeviceInterface();
const VkDevice vkDevice = m_context.getDevice();
const VkQueue queue = m_context.getUniversalQueue();
const deUint32 queueFamilyIndex = m_context.getUniversalQueueFamilyIndex();
SimpleAllocator allocator (vk, vkDevice, getPhysicalDeviceMemoryProperties(m_context.getInstanceInterface(), m_context.getPhysicalDevice()));
de::UniquePtr<tcu::TextureLevel> result (readColorAttachment(vk, vkDevice, queue, queueFamilyIndex, allocator, *m_colorImage, m_colorFormat, m_renderSize).release());
const tcu::Vec4 threshold (getFormatThreshold(tcuColorFormat));
compareOk = tcu::floatThresholdCompare(m_context.getTestContext().getLog(),
"FloatImageCompare",
"Image comparison",
refRenderer.getAccess(),
result->getAccess(),
threshold,
tcu::COMPARE_LOG_RESULT);
}
if (compareOk)
return tcu::TestStatus::pass("Result image matches reference");
else
return tcu::TestStatus::fail("Image mismatch");
}
} // anonymous
std::string getBlendStateName (const VkPipelineColorBlendAttachmentState& blendState)
{
const char* shortBlendFactorNames[] =
{
"z", // VK_BLEND_ZERO
"o", // VK_BLEND_ONE
"sc", // VK_BLEND_SRC_COLOR
"1msc", // VK_BLEND_ONE_MINUS_SRC_COLOR
"dc", // VK_BLEND_DEST_COLOR
"1mdc", // VK_BLEND_ONE_MINUS_DEST_COLOR
"sa", // VK_BLEND_SRC_ALPHA
"1msa", // VK_BLEND_ONE_MINUS_SRC_ALPHA
"da", // VK_BLEND_DEST_ALPHA
"1mda", // VK_BLEND_ONE_MINUS_DEST_ALPHA
"cc", // VK_BLEND_CONSTANT_COLOR
"1mcc", // VK_BLEND_ONE_MINUS_CONSTANT_COLOR
"ca", // VK_BLEND_CONSTANT_ALPHA
"1mca", // VK_BLEND_ONE_MINUS_CONSTANT_ALPHA
"sas" // VK_BLEND_SRC_ALPHA_SATURATE
};
const char* blendOpNames[] =
{
"add", // VK_BLEND_OP_ADD
"sub", // VK_BLEND_OP_SUBTRACT
"rsub", // VK_BLEND_OP_REVERSE_SUBTRACT
"min", // VK_BLEND_OP_MIN
"max", // VK_BLEND_OP_MAX
};
std::ostringstream shortName;
shortName << "color_" << shortBlendFactorNames[blendState.srcColorBlendFactor] << "_" << shortBlendFactorNames[blendState.dstColorBlendFactor] << "_" << blendOpNames[blendState.colorBlendOp];
shortName << "_alpha_" << shortBlendFactorNames[blendState.srcAlphaBlendFactor] << "_" << shortBlendFactorNames[blendState.dstAlphaBlendFactor] << "_" << blendOpNames[blendState.alphaBlendOp];
return shortName.str();
}
std::string getBlendStateSetName (const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT])
{
std::ostringstream name;
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
{
name << getBlendStateName(blendStates[quadNdx]);
if (quadNdx < BlendTest::QUAD_COUNT - 1)
name << "-";
}
return name.str();
}
std::string getBlendStateSetDescription (const VkPipelineColorBlendAttachmentState blendStates[BlendTest::QUAD_COUNT])
{
std::ostringstream description;
description << "Draws " << BlendTest::QUAD_COUNT << " quads with the following blend states:\n";
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
description << blendStates[quadNdx] << "\n";
return description.str();
}
std::string getFormatCaseName (VkFormat format)
{
const std::string fullName = getFormatName(format);
DE_ASSERT(de::beginsWith(fullName, "VK_FORMAT_"));
return de::toLower(fullName.substr(10));
}
tcu::TestCaseGroup* createBlendTests (tcu::TestContext& testCtx)
{
const deUint32 blendStatesPerFormat = 100 * BlendTest::QUAD_COUNT;
// Formats that are dEQP-compatible, non-integer and uncompressed
const VkFormat blendFormats[] =
{
VK_FORMAT_R4G4_UNORM_PACK8,
VK_FORMAT_R4G4B4A4_UNORM_PACK16,
VK_FORMAT_R5G6B5_UNORM_PACK16,
VK_FORMAT_R5G5B5A1_UNORM_PACK16,
VK_FORMAT_R8_UNORM,
VK_FORMAT_R8_SNORM,
VK_FORMAT_R8_SRGB,
VK_FORMAT_R8G8_UNORM,
VK_FORMAT_R8G8_SNORM,
VK_FORMAT_R8G8_SRGB,
VK_FORMAT_R8G8B8_UNORM,
VK_FORMAT_R8G8B8_SNORM,
VK_FORMAT_R8G8B8_SRGB,
VK_FORMAT_R8G8B8A8_UNORM,
VK_FORMAT_R8G8B8A8_SNORM,
VK_FORMAT_R8G8B8A8_SRGB,
VK_FORMAT_A2R10G10B10_UNORM_PACK32,
VK_FORMAT_R16_UNORM,
VK_FORMAT_R16_SNORM,
VK_FORMAT_R16_SFLOAT,
VK_FORMAT_R16G16_UNORM,
VK_FORMAT_R16G16_SNORM,
VK_FORMAT_R16G16_SFLOAT,
VK_FORMAT_R16G16B16_UNORM,
VK_FORMAT_R16G16B16_SNORM,
VK_FORMAT_R16G16B16_SFLOAT,
VK_FORMAT_R16G16B16A16_UNORM,
VK_FORMAT_R16G16B16A16_SNORM,
VK_FORMAT_R16G16B16A16_SFLOAT,
VK_FORMAT_R32_SFLOAT,
VK_FORMAT_R32G32_SFLOAT,
VK_FORMAT_R32G32B32_SFLOAT,
VK_FORMAT_R32G32B32A32_SFLOAT,
VK_FORMAT_B10G11R11_UFLOAT_PACK32,
VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
VK_FORMAT_B4G4R4A4_UNORM_PACK16,
VK_FORMAT_B5G5R5A1_UNORM_PACK16,
};
de::MovePtr<tcu::TestCaseGroup> blendTests (new tcu::TestCaseGroup(testCtx, "blend", "Blend tests"));
de::MovePtr<tcu::TestCaseGroup> formatTests (new tcu::TestCaseGroup(testCtx, "format", "Uses different blend formats"));
BlendStateUniqueRandomIterator blendStateItr (blendStatesPerFormat, 123);
for (size_t formatNdx = 0; formatNdx < DE_LENGTH_OF_ARRAY(blendFormats); formatNdx++)
{
const VkFormat format = blendFormats[formatNdx];
de::MovePtr<tcu::TestCaseGroup> formatTest (new tcu::TestCaseGroup(testCtx,
getFormatCaseName(format).c_str(),
(std::string("Uses format ") + getFormatName(format)).c_str()));
de::MovePtr<tcu::TestCaseGroup> blendStateTests;
{
std::ostringstream blendStateDescription;
blendStateDescription << "Combines blend factors, operators and channel write masks. The constant color used in all tests is " << BlendTest::s_blendConst;
blendStateTests = de::MovePtr<tcu::TestCaseGroup>(new tcu::TestCaseGroup(testCtx, "states", blendStateDescription.str().c_str()));
}
blendStateItr.reset();
while (blendStateItr.hasNext())
{
VkPipelineColorBlendAttachmentState quadBlendConfigs[BlendTest::QUAD_COUNT];
for (int quadNdx = 0; quadNdx < BlendTest::QUAD_COUNT; quadNdx++)
{
quadBlendConfigs[quadNdx] = blendStateItr.next();
quadBlendConfigs[quadNdx].colorWriteMask = BlendTest::s_colorWriteMasks[quadNdx];
}
blendStateTests->addChild(new BlendTest(testCtx,
getBlendStateSetName(quadBlendConfigs),
getBlendStateSetDescription(quadBlendConfigs),
format,
quadBlendConfigs));
}
formatTest->addChild(blendStateTests.release());
formatTests->addChild(formatTest.release());
}
blendTests->addChild(formatTests.release());
return blendTests.release();
}
} // pipeline
} // vkt