--- /dev/null
+/*------------------------------------------------------------------------
+ * Vulkan Conformance Tests
+ * ------------------------
+ *
+ * Copyright (c) 2016 The Khronos Group Inc.
+ * Copyright (c) 2014 The Android Open Source Project
+ *
+ * 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 Scissor multi viewport tests
+ *//*--------------------------------------------------------------------*/
+
+#include "vktFragmentOperationsScissorMultiViewportTests.hpp"
+#include "vktTestCaseUtil.hpp"
+#include "vktFragmentOperationsMakeUtil.hpp"
+
+#include "vkDefs.hpp"
+#include "vkRefUtil.hpp"
+#include "vkTypeUtil.hpp"
+#include "vkMemUtil.hpp"
+#include "vkPrograms.hpp"
+#include "vkImageUtil.hpp"
+#include "vkQueryUtil.hpp"
+
+#include "tcuTestLog.hpp"
+#include "tcuVector.hpp"
+#include "tcuImageCompare.hpp"
+#include "tcuTextureUtil.hpp"
+
+#include "deUniquePtr.hpp"
+#include "deMath.h"
+
+namespace vkt
+{
+namespace FragmentOperations
+{
+using namespace vk;
+using de::UniquePtr;
+using de::MovePtr;
+using tcu::Vec4;
+using tcu::Vec2;
+using tcu::IVec2;
+using tcu::IVec4;
+
+namespace
+{
+
+enum Constants
+{
+ MIN_MAX_VIEWPORTS = 16, //!< Minimum number of viewports for an implementation supporting multiViewport.
+};
+
+template<typename T>
+inline VkDeviceSize sizeInBytes(const std::vector<T>& vec)
+{
+ return vec.size() * sizeof(vec[0]);
+}
+
+Move<VkImage> makeImage (const DeviceInterface& vk, const VkDevice device, const VkFormat format, const IVec2& size, VkImageUsageFlags usage)
+{
+ const VkImageCreateInfo imageParams =
+ {
+ VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkImageCreateFlags)0, // VkImageCreateFlags flags;
+ VK_IMAGE_TYPE_2D, // VkImageType imageType;
+ format, // VkFormat format;
+ makeExtent3D(size.x(), size.y(), 1), // VkExtent3D extent;
+ 1u, // deUint32 mipLevels;
+ 1u, // deUint32 arrayLayers;
+ VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits samples;
+ VK_IMAGE_TILING_OPTIMAL, // VkImageTiling tiling;
+ usage, // VkImageUsageFlags usage;
+ VK_SHARING_MODE_EXCLUSIVE, // VkSharingMode sharingMode;
+ 0u, // deUint32 queueFamilyIndexCount;
+ DE_NULL, // const deUint32* pQueueFamilyIndices;
+ VK_IMAGE_LAYOUT_UNDEFINED, // VkImageLayout initialLayout;
+ };
+ return createImage(vk, device, &imageParams);
+}
+
+inline Move<VkBuffer> makeBuffer (const DeviceInterface& vk, const VkDevice device, const VkDeviceSize bufferSize, const VkBufferUsageFlags usage)
+{
+ const VkBufferCreateInfo bufferCreateInfo = makeBufferCreateInfo(bufferSize, usage);
+ return createBuffer(vk, device, &bufferCreateInfo);
+}
+
+//! A single-attachment, single-subpass render pass.
+Move<VkRenderPass> makeRenderPass (const DeviceInterface& vk,
+ const VkDevice device,
+ const VkFormat colorFormat)
+{
+ const VkAttachmentDescription colorAttachmentDescription =
+ {
+ (VkAttachmentDescriptionFlags)0, // VkAttachmentDescriptionFlags flags;
+ 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_UNDEFINED, // VkImageLayout initialLayout;
+ VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout finalLayout;
+ };
+
+ const VkAttachmentReference colorAttachmentRef =
+ {
+ 0u, // deUint32 attachment;
+ VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL // VkImageLayout layout;
+ };
+
+ const VkSubpassDescription subpassDescription =
+ {
+ (VkSubpassDescriptionFlags)0, // VkSubpassDescriptionFlags flags;
+ VK_PIPELINE_BIND_POINT_GRAPHICS, // VkPipelineBindPoint pipelineBindPoint;
+ 0u, // deUint32 inputAttachmentCount;
+ DE_NULL, // const VkAttachmentReference* pInputAttachments;
+ 1u, // deUint32 colorAttachmentCount;
+ &colorAttachmentRef, // const VkAttachmentReference* pColorAttachments;
+ DE_NULL, // const VkAttachmentReference* pResolveAttachments;
+ DE_NULL, // const VkAttachmentReference* pDepthStencilAttachment;
+ 0u, // deUint32 preserveAttachmentCount;
+ DE_NULL // const deUint32* pPreserveAttachments;
+ };
+
+ const VkRenderPassCreateInfo renderPassInfo =
+ {
+ VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkRenderPassCreateFlags)0, // VkRenderPassCreateFlags flags;
+ 1u, // deUint32 attachmentCount;
+ &colorAttachmentDescription, // const VkAttachmentDescription* pAttachments;
+ 1u, // deUint32 subpassCount;
+ &subpassDescription, // const VkSubpassDescription* pSubpasses;
+ 0u, // deUint32 dependencyCount;
+ DE_NULL // const VkSubpassDependency* pDependencies;
+ };
+
+ return createRenderPass(vk, device, &renderPassInfo);
+}
+
+Move<VkPipeline> makeGraphicsPipeline (const DeviceInterface& vk,
+ const VkDevice device,
+ const VkPipelineLayout pipelineLayout,
+ const VkRenderPass renderPass,
+ const VkShaderModule vertexModule,
+ const VkShaderModule geometryModule,
+ const VkShaderModule fragmentModule,
+ const IVec2 renderSize,
+ const int numViewports,
+ const std::vector<IVec4> scissors)
+{
+ const VkVertexInputBindingDescription vertexInputBindingDescription =
+ {
+ 0u, // uint32_t binding;
+ sizeof(Vec4), // uint32_t stride;
+ VK_VERTEX_INPUT_RATE_VERTEX, // VkVertexInputRate inputRate;
+ };
+
+ const VkVertexInputAttributeDescription vertexInputAttributeDescriptions[] =
+ {
+ {
+ 0u, // uint32_t location;
+ 0u, // uint32_t binding;
+ VK_FORMAT_R32G32B32A32_SFLOAT, // VkFormat format;
+ 0u, // uint32_t offset;
+ },
+ };
+
+ const VkPipelineVertexInputStateCreateInfo vertexInputStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineVertexInputStateCreateFlags)0, // VkPipelineVertexInputStateCreateFlags flags;
+ 1u, // uint32_t vertexBindingDescriptionCount;
+ &vertexInputBindingDescription, // const VkVertexInputBindingDescription* pVertexBindingDescriptions;
+ DE_LENGTH_OF_ARRAY(vertexInputAttributeDescriptions), // uint32_t vertexAttributeDescriptionCount;
+ vertexInputAttributeDescriptions, // const VkVertexInputAttributeDescription* pVertexAttributeDescriptions;
+ };
+
+ const VkPipelineInputAssemblyStateCreateInfo pipelineInputAssemblyStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineInputAssemblyStateCreateFlags)0, // VkPipelineInputAssemblyStateCreateFlags flags;
+ VK_PRIMITIVE_TOPOLOGY_POINT_LIST, // VkPrimitiveTopology topology;
+ VK_FALSE, // VkBool32 primitiveRestartEnable;
+ };
+
+ const VkViewport defaultViewport = makeViewport(
+ 0.0f, 0.0f,
+ static_cast<float>(renderSize.x()), static_cast<float>(renderSize.y()),
+ 0.0f, 1.0f);
+ const std::vector<VkViewport> viewports(numViewports, defaultViewport);
+
+ DE_ASSERT(numViewports == static_cast<int>(scissors.size()));
+
+ std::vector<VkRect2D> rectScissors;
+ rectScissors.reserve(numViewports);
+
+ for (std::vector<IVec4>::const_iterator it = scissors.begin(); it != scissors.end(); ++it)
+ {
+ const VkRect2D rect =
+ {
+ makeOffset2D(it->x(), it->y()),
+ makeExtent2D(static_cast<deUint32>(it->z()), static_cast<deUint32>(it->w())),
+ };
+ rectScissors.push_back(rect);
+ }
+
+ const VkPipelineViewportStateCreateInfo pipelineViewportStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineViewportStateCreateFlags)0, // VkPipelineViewportStateCreateFlags flags;
+ static_cast<deUint32>(numViewports), // uint32_t viewportCount;
+ &viewports[0], // const VkViewport* pViewports;
+ static_cast<deUint32>(numViewports), // uint32_t scissorCount;
+ &rectScissors[0], // const VkRect2D* pScissors;
+ };
+
+ const VkPipelineRasterizationStateCreateInfo pipelineRasterizationStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineRasterizationStateCreateFlags)0, // VkPipelineRasterizationStateCreateFlags flags;
+ VK_FALSE, // VkBool32 depthClampEnable;
+ VK_FALSE, // VkBool32 rasterizerDiscardEnable;
+ VK_POLYGON_MODE_FILL, // VkPolygonMode polygonMode;
+ VK_CULL_MODE_NONE, // VkCullModeFlags cullMode;
+ VK_FRONT_FACE_COUNTER_CLOCKWISE, // VkFrontFace frontFace;
+ VK_FALSE, // VkBool32 depthBiasEnable;
+ 0.0f, // float depthBiasConstantFactor;
+ 0.0f, // float depthBiasClamp;
+ 0.0f, // float depthBiasSlopeFactor;
+ 1.0f, // float lineWidth;
+ };
+
+ const VkPipelineMultisampleStateCreateInfo pipelineMultisampleStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineMultisampleStateCreateFlags)0, // VkPipelineMultisampleStateCreateFlags flags;
+ VK_SAMPLE_COUNT_1_BIT, // VkSampleCountFlagBits rasterizationSamples;
+ VK_FALSE, // VkBool32 sampleShadingEnable;
+ 0.0f, // float minSampleShading;
+ DE_NULL, // const VkSampleMask* pSampleMask;
+ VK_FALSE, // VkBool32 alphaToCoverageEnable;
+ VK_FALSE // VkBool32 alphaToOneEnable;
+ };
+
+ const VkStencilOpState stencilOpState = makeStencilOpState(
+ VK_STENCIL_OP_KEEP, // stencil fail
+ VK_STENCIL_OP_KEEP, // depth & stencil pass
+ VK_STENCIL_OP_KEEP, // depth only fail
+ VK_COMPARE_OP_ALWAYS, // compare op
+ 0u, // compare mask
+ 0u, // write mask
+ 0u); // reference
+
+ VkPipelineDepthStencilStateCreateInfo pipelineDepthStencilStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineDepthStencilStateCreateFlags)0, // VkPipelineDepthStencilStateCreateFlags flags;
+ VK_FALSE, // VkBool32 depthTestEnable;
+ VK_FALSE, // VkBool32 depthWriteEnable;
+ VK_COMPARE_OP_LESS, // VkCompareOp depthCompareOp;
+ VK_FALSE, // VkBool32 depthBoundsTestEnable;
+ VK_FALSE, // VkBool32 stencilTestEnable;
+ stencilOpState, // VkStencilOpState front;
+ stencilOpState, // VkStencilOpState back;
+ 0.0f, // float minDepthBounds;
+ 1.0f, // float maxDepthBounds;
+ };
+
+ const VkColorComponentFlags colorComponentsAll = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT;
+ const VkPipelineColorBlendAttachmentState pipelineColorBlendAttachmentState =
+ {
+ VK_FALSE, // VkBool32 blendEnable;
+ VK_BLEND_FACTOR_ONE, // VkBlendFactor srcColorBlendFactor;
+ VK_BLEND_FACTOR_ZERO, // VkBlendFactor dstColorBlendFactor;
+ VK_BLEND_OP_ADD, // VkBlendOp colorBlendOp;
+ VK_BLEND_FACTOR_ONE, // VkBlendFactor srcAlphaBlendFactor;
+ VK_BLEND_FACTOR_ZERO, // VkBlendFactor dstAlphaBlendFactor;
+ VK_BLEND_OP_ADD, // VkBlendOp alphaBlendOp;
+ colorComponentsAll, // VkColorComponentFlags colorWriteMask;
+ };
+
+ const VkPipelineColorBlendStateCreateInfo pipelineColorBlendStateInfo =
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineColorBlendStateCreateFlags)0, // VkPipelineColorBlendStateCreateFlags flags;
+ VK_FALSE, // VkBool32 logicOpEnable;
+ VK_LOGIC_OP_COPY, // VkLogicOp logicOp;
+ 1u, // deUint32 attachmentCount;
+ &pipelineColorBlendAttachmentState, // const VkPipelineColorBlendAttachmentState* pAttachments;
+ { 0.0f, 0.0f, 0.0f, 0.0f }, // float blendConstants[4];
+ };
+
+ const VkPipelineShaderStageCreateInfo pShaderStages[] =
+ {
+ {
+ VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineShaderStageCreateFlags)0, // VkPipelineShaderStageCreateFlags flags;
+ VK_SHADER_STAGE_VERTEX_BIT, // VkShaderStageFlagBits stage;
+ vertexModule, // 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;
+ (VkPipelineShaderStageCreateFlags)0, // VkPipelineShaderStageCreateFlags flags;
+ VK_SHADER_STAGE_GEOMETRY_BIT, // VkShaderStageFlagBits stage;
+ geometryModule, // 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;
+ (VkPipelineShaderStageCreateFlags)0, // VkPipelineShaderStageCreateFlags flags;
+ VK_SHADER_STAGE_FRAGMENT_BIT, // VkShaderStageFlagBits stage;
+ fragmentModule, // VkShaderModule module;
+ "main", // const char* pName;
+ DE_NULL, // const VkSpecializationInfo* pSpecializationInfo;
+ },
+ };
+
+ const VkGraphicsPipelineCreateInfo graphicsPipelineInfo =
+ {
+ VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ (VkPipelineCreateFlags)0, // VkPipelineCreateFlags flags;
+ DE_LENGTH_OF_ARRAY(pShaderStages), // deUint32 stageCount;
+ pShaderStages, // const VkPipelineShaderStageCreateInfo* pStages;
+ &vertexInputStateInfo, // const VkPipelineVertexInputStateCreateInfo* pVertexInputState;
+ &pipelineInputAssemblyStateInfo, // const VkPipelineInputAssemblyStateCreateInfo* pInputAssemblyState;
+ DE_NULL, // const VkPipelineTessellationStateCreateInfo* pTessellationState;
+ &pipelineViewportStateInfo, // const VkPipelineViewportStateCreateInfo* pViewportState;
+ &pipelineRasterizationStateInfo, // const VkPipelineRasterizationStateCreateInfo* pRasterizationState;
+ &pipelineMultisampleStateInfo, // const VkPipelineMultisampleStateCreateInfo* pMultisampleState;
+ &pipelineDepthStencilStateInfo, // const VkPipelineDepthStencilStateCreateInfo* pDepthStencilState;
+ &pipelineColorBlendStateInfo, // const VkPipelineColorBlendStateCreateInfo* pColorBlendState;
+ DE_NULL, // const VkPipelineDynamicStateCreateInfo* pDynamicState;
+ pipelineLayout, // VkPipelineLayout layout;
+ renderPass, // VkRenderPass renderPass;
+ 0u, // deUint32 subpass;
+ DE_NULL, // VkPipeline basePipelineHandle;
+ 0, // deInt32 basePipelineIndex;
+ };
+
+ return createGraphicsPipeline(vk, device, DE_NULL, &graphicsPipelineInfo);
+}
+
+void zeroBuffer (const DeviceInterface& vk, const VkDevice device, const Allocation& alloc, const VkDeviceSize size)
+{
+ deMemset(alloc.getHostPtr(), 0, static_cast<std::size_t>(size));
+ flushMappedMemoryRange(vk, device, alloc.getMemory(), alloc.getOffset(), size);
+}
+
+void requireFeatureMultiViewport (const InstanceInterface& vki, const VkPhysicalDevice physDevice)
+{
+ const VkPhysicalDeviceFeatures features = getPhysicalDeviceFeatures(vki, physDevice);
+ const VkPhysicalDeviceLimits limits = getPhysicalDeviceProperties(vki, physDevice).limits;
+
+ if (!features.multiViewport)
+ TCU_THROW(NotSupportedError, "Required feature is not supported: multiViewport");
+
+ if (limits.maxViewports < MIN_MAX_VIEWPORTS)
+ TCU_THROW(NotSupportedError, "Implementation doesn't support minimum required number of viewports");
+}
+
+std::vector<IVec4> generateScissors (const int numScissors, const IVec2& renderSize)
+{
+ // Scissor rects will be arranged in a grid-like fashion.
+
+ const int numCols = deCeilFloatToInt32(deFloatSqrt(static_cast<float>(numScissors)));
+ const int numRows = deCeilFloatToInt32(static_cast<float>(numScissors) / static_cast<float>(numCols));
+ const int rectWidth = renderSize.x() / numCols;
+ const int rectHeight = renderSize.y() / numRows;
+
+ std::vector<IVec4> scissors;
+ scissors.reserve(numScissors);
+
+ int x = 0;
+ int y = 0;
+
+ for (int scissorNdx = 0; scissorNdx < numScissors; ++scissorNdx)
+ {
+ const bool nextRow = (scissorNdx != 0) && (scissorNdx % numCols == 0);
+ if (nextRow)
+ {
+ x = 0;
+ y += rectHeight;
+ }
+
+ scissors.push_back(IVec4(x, y, rectWidth, rectHeight));
+
+ x += rectWidth;
+ }
+
+ return scissors;
+}
+
+std::vector<Vec4> generateColors (const int numColors)
+{
+ const Vec4 colors[] =
+ {
+ Vec4(0.18f, 0.42f, 0.17f, 1.0f),
+ Vec4(0.29f, 0.62f, 0.28f, 1.0f),
+ Vec4(0.59f, 0.84f, 0.44f, 1.0f),
+ Vec4(0.96f, 0.95f, 0.72f, 1.0f),
+ Vec4(0.94f, 0.55f, 0.39f, 1.0f),
+ Vec4(0.82f, 0.19f, 0.12f, 1.0f),
+ Vec4(0.46f, 0.15f, 0.26f, 1.0f),
+ Vec4(0.24f, 0.14f, 0.24f, 1.0f),
+ Vec4(0.49f, 0.31f, 0.26f, 1.0f),
+ Vec4(0.78f, 0.52f, 0.33f, 1.0f),
+ Vec4(0.94f, 0.82f, 0.31f, 1.0f),
+ Vec4(0.98f, 0.65f, 0.30f, 1.0f),
+ Vec4(0.22f, 0.65f, 0.53f, 1.0f),
+ Vec4(0.67f, 0.81f, 0.91f, 1.0f),
+ Vec4(0.43f, 0.44f, 0.75f, 1.0f),
+ Vec4(0.26f, 0.24f, 0.48f, 1.0f),
+ };
+
+ DE_ASSERT(numColors <= DE_LENGTH_OF_ARRAY(colors));
+
+ return std::vector<Vec4>(colors, colors + numColors);
+}
+
+//! Renders a colorful grid of rectangles.
+tcu::TextureLevel generateReferenceImage (const tcu::TextureFormat format,
+ const IVec2& renderSize,
+ const Vec4& clearColor,
+ const std::vector<IVec4>& scissors,
+ const std::vector<Vec4>& scissorColors)
+{
+ DE_ASSERT(scissors.size() == scissorColors.size());
+
+ tcu::TextureLevel image(format, renderSize.x(), renderSize.y());
+ tcu::clear(image.getAccess(), clearColor);
+
+ for (std::size_t i = 0; i < scissors.size(); ++i)
+ {
+ tcu::clear(
+ tcu::getSubregion(image.getAccess(), scissors[i].x(), scissors[i].y(), scissors[i].z(), scissors[i].w()),
+ scissorColors[i]);
+ }
+
+ return image;
+}
+
+void initPrograms (SourceCollections& programCollection, const int numViewports)
+{
+ DE_UNREF(numViewports);
+
+ // Vertex shader
+ {
+ std::ostringstream src;
+ src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << "\n"
+ << "\n"
+ << "layout(location = 0) in vec4 in_color;\n"
+ << "layout(location = 0) out vec4 out_color;\n"
+ << "\n"
+ << "void main(void)\n"
+ << "{\n"
+ << " out_color = in_color;\n"
+ << "}\n";
+
+ programCollection.glslSources.add("vert") << glu::VertexSource(src.str());
+ }
+
+ // Geometry shader
+ {
+ // Each input point generates a fullscreen quad.
+
+ std::ostringstream src;
+ src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << "\n"
+ << "\n"
+ << "layout(points) in;\n"
+ << "layout(triangle_strip, max_vertices=4) out;\n"
+ << "\n"
+ << "out gl_PerVertex {\n"
+ << " vec4 gl_Position;\n"
+ << "};\n"
+ << "\n"
+ << "layout(location = 0) in vec4 in_color[];\n"
+ << "layout(location = 0) out vec4 out_color;\n"
+ << "\n"
+ << "void main(void)\n"
+ << "{\n"
+ << " gl_ViewportIndex = gl_PrimitiveIDIn;\n"
+ << " gl_Position = vec4(-1.0, -1.0, 0.0, 1.0);\n"
+ << " out_color = in_color[0];\n"
+ << " EmitVertex();"
+ << "\n"
+ << " gl_ViewportIndex = gl_PrimitiveIDIn;\n"
+ << " gl_Position = vec4(-1.0, 1.0, 0.0, 1.0);\n"
+ << " out_color = in_color[0];\n"
+ << " EmitVertex();"
+ << "\n"
+ << " gl_ViewportIndex = gl_PrimitiveIDIn;\n"
+ << " gl_Position = vec4(1.0, -1.0, 0.0, 1.0);\n"
+ << " out_color = in_color[0];\n"
+ << " EmitVertex();"
+ << "\n"
+ << " gl_ViewportIndex = gl_PrimitiveIDIn;\n"
+ << " gl_Position = vec4(1.0, 1.0, 0.0, 1.0);\n"
+ << " out_color = in_color[0];\n"
+ << " EmitVertex();"
+ << "}\n";
+
+ programCollection.glslSources.add("geom") << glu::GeometrySource(src.str());
+ }
+
+ // Fragment shader
+ {
+ std::ostringstream src;
+ src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_450) << "\n"
+ << "\n"
+ << "layout(location = 0) in vec4 in_color;\n"
+ << "layout(location = 0) out vec4 out_color;\n"
+ << "\n"
+ << "void main(void)\n"
+ << "{\n"
+ << " out_color = in_color;\n"
+ << "}\n";
+
+ programCollection.glslSources.add("frag") << glu::FragmentSource(src.str());
+ }
+}
+
+class ScissorRenderer
+{
+public:
+ ScissorRenderer (Context& context,
+ const IVec2& renderSize,
+ const int numViewports,
+ const std::vector<IVec4>& scissors,
+ const VkFormat colorFormat,
+ const Vec4& clearColor,
+ const std::vector<Vec4>& vertices)
+ : m_renderSize (renderSize)
+ , m_colorFormat (colorFormat)
+ , m_colorSubresourceRange (makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u))
+ , m_clearColor (clearColor)
+ , m_numViewports (numViewports)
+ , m_vertexBufferSize (sizeInBytes(vertices))
+ {
+ const DeviceInterface& vk = context.getDeviceInterface();
+ const VkDevice device = context.getDevice();
+ const deUint32 queueFamilyIndex = context.getUniversalQueueFamilyIndex();
+ Allocator& allocator = context.getDefaultAllocator();
+
+ m_colorImage = makeImage (vk, device, m_colorFormat, m_renderSize, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT);
+ m_colorImageAlloc = bindImage (vk, device, allocator, *m_colorImage, MemoryRequirement::Any);
+ m_colorAttachment = makeImageView (vk, device, *m_colorImage, VK_IMAGE_VIEW_TYPE_2D, m_colorFormat, m_colorSubresourceRange);
+
+ m_vertexBuffer = makeBuffer (vk, device, m_vertexBufferSize, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT);
+ m_vertexBufferAlloc = bindBuffer (vk, device, allocator, *m_vertexBuffer, MemoryRequirement::HostVisible);
+
+ {
+ deMemcpy(m_vertexBufferAlloc->getHostPtr(), &vertices[0], static_cast<std::size_t>(m_vertexBufferSize));
+ flushMappedMemoryRange(vk, device, m_vertexBufferAlloc->getMemory(), m_vertexBufferAlloc->getOffset(), m_vertexBufferSize);
+ }
+
+ m_vertexModule = createShaderModule (vk, device, context.getBinaryCollection().get("vert"), 0u);
+ m_geometryModule = createShaderModule (vk, device, context.getBinaryCollection().get("geom"), 0u);
+ m_fragmentModule = createShaderModule (vk, device, context.getBinaryCollection().get("frag"), 0u);
+ m_renderPass = makeRenderPass (vk, device, m_colorFormat);
+ m_framebuffer = makeFramebuffer (vk, device, *m_renderPass, 1u, &m_colorAttachment.get(),
+ static_cast<deUint32>(m_renderSize.x()), static_cast<deUint32>(m_renderSize.y()));
+ m_pipelineLayout = makePipelineLayout (vk, device);
+ m_pipeline = makeGraphicsPipeline (vk, device, *m_pipelineLayout, *m_renderPass, *m_vertexModule, *m_geometryModule, *m_fragmentModule,
+ m_renderSize, m_numViewports, scissors);
+ m_cmdPool = makeCommandPool (vk, device, queueFamilyIndex);
+ m_cmdBuffer = makeCommandBuffer (vk, device, *m_cmdPool);
+ }
+
+ void draw (Context& context, const VkBuffer colorBuffer) const
+ {
+ const DeviceInterface& vk = context.getDeviceInterface();
+ const VkDevice device = context.getDevice();
+ const VkQueue queue = context.getUniversalQueue();
+
+ beginCommandBuffer(vk, *m_cmdBuffer);
+
+ const VkClearValue clearValue = makeClearValueColor(m_clearColor);
+ const VkRect2D renderArea =
+ {
+ makeOffset2D(0, 0),
+ makeExtent2D(m_renderSize.x(), m_renderSize.y()),
+ };
+ 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;
+ renderArea, // VkRect2D renderArea;
+ 1u, // uint32_t clearValueCount;
+ &clearValue, // const VkClearValue* pClearValues;
+ };
+ vk.cmdBeginRenderPass(*m_cmdBuffer, &renderPassBeginInfo, VK_SUBPASS_CONTENTS_INLINE);
+
+ vk.cmdBindPipeline(*m_cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *m_pipeline);
+ {
+ const VkDeviceSize vertexBufferOffset = 0ull;
+ vk.cmdBindVertexBuffers(*m_cmdBuffer, 0u, 1u, &m_vertexBuffer.get(), &vertexBufferOffset);
+ }
+ vk.cmdDraw(*m_cmdBuffer, static_cast<deUint32>(m_numViewports), 1u, 0u, 0u); // one vertex per viewport
+ vk.cmdEndRenderPass(*m_cmdBuffer);
+
+ // Prepare color image for copy
+ {
+ const VkImageMemoryBarrier barriers[] =
+ {
+ {
+ VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, // VkAccessFlags outputMask;
+ VK_ACCESS_TRANSFER_READ_BIT, // VkAccessFlags inputMask;
+ VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, // VkImageLayout oldLayout;
+ VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, // VkImageLayout newLayout;
+ VK_QUEUE_FAMILY_IGNORED, // deUint32 srcQueueFamilyIndex;
+ VK_QUEUE_FAMILY_IGNORED, // deUint32 destQueueFamilyIndex;
+ *m_colorImage, // VkImage image;
+ m_colorSubresourceRange, // VkImageSubresourceRange subresourceRange;
+ },
+ };
+
+ vk.cmdPipelineBarrier(*m_cmdBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u,
+ 0u, DE_NULL, 0u, DE_NULL, DE_LENGTH_OF_ARRAY(barriers), barriers);
+ }
+ // Color image -> host buffer
+ {
+ const VkBufferImageCopy region =
+ {
+ 0ull, // VkDeviceSize bufferOffset;
+ 0u, // uint32_t bufferRowLength;
+ 0u, // uint32_t bufferImageHeight;
+ makeImageSubresourceLayers(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, 1u), // VkImageSubresourceLayers imageSubresource;
+ makeOffset3D(0, 0, 0), // VkOffset3D imageOffset;
+ makeExtent3D(m_renderSize.x(), m_renderSize.y(), 1u), // VkExtent3D imageExtent;
+ };
+
+ vk.cmdCopyImageToBuffer(*m_cmdBuffer, *m_colorImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, colorBuffer, 1u, ®ion);
+ }
+ // Buffer write barrier
+ {
+ const VkBufferMemoryBarrier barriers[] =
+ {
+ {
+ VK_STRUCTURE_TYPE_BUFFER_MEMORY_BARRIER, // VkStructureType sType;
+ DE_NULL, // const void* pNext;
+ VK_ACCESS_TRANSFER_WRITE_BIT, // VkAccessFlags srcAccessMask;
+ VK_ACCESS_HOST_READ_BIT, // VkAccessFlags dstAccessMask;
+ VK_QUEUE_FAMILY_IGNORED, // uint32_t srcQueueFamilyIndex;
+ VK_QUEUE_FAMILY_IGNORED, // uint32_t dstQueueFamilyIndex;
+ colorBuffer, // VkBuffer buffer;
+ 0ull, // VkDeviceSize offset;
+ VK_WHOLE_SIZE, // VkDeviceSize size;
+ },
+ };
+
+ vk.cmdPipelineBarrier(*m_cmdBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0u,
+ 0u, DE_NULL, DE_LENGTH_OF_ARRAY(barriers), barriers, DE_NULL, 0u);
+ }
+
+ VK_CHECK(vk.endCommandBuffer(*m_cmdBuffer));
+ submitCommandsAndWait(vk, device, queue, *m_cmdBuffer);
+ }
+
+private:
+ const IVec2 m_renderSize;
+ const VkFormat m_colorFormat;
+ const VkImageSubresourceRange m_colorSubresourceRange;
+ const Vec4 m_clearColor;
+ const int m_numViewports;
+ const VkDeviceSize m_vertexBufferSize;
+
+ Move<VkImage> m_colorImage;
+ MovePtr<Allocation> m_colorImageAlloc;
+ Move<VkImageView> m_colorAttachment;
+ Move<VkBuffer> m_vertexBuffer;
+ MovePtr<Allocation> m_vertexBufferAlloc;
+ Move<VkShaderModule> m_vertexModule;
+ Move<VkShaderModule> m_geometryModule;
+ Move<VkShaderModule> m_fragmentModule;
+ Move<VkRenderPass> m_renderPass;
+ Move<VkFramebuffer> m_framebuffer;
+ Move<VkPipelineLayout> m_pipelineLayout;
+ Move<VkPipeline> m_pipeline;
+ Move<VkCommandPool> m_cmdPool;
+ Move<VkCommandBuffer> m_cmdBuffer;
+
+ // "deleted"
+ ScissorRenderer (const ScissorRenderer&);
+ ScissorRenderer& operator= (const ScissorRenderer&);
+};
+
+tcu::TestStatus test (Context& context, const int numViewports)
+{
+ requireFeatureMultiViewport(context.getInstanceInterface(), context.getPhysicalDevice());
+
+ const DeviceInterface& vk = context.getDeviceInterface();
+ const VkDevice device = context.getDevice();
+ Allocator& allocator = context.getDefaultAllocator();
+
+ const IVec2 renderSize (128, 128);
+ const VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM;
+ const Vec4 clearColor (0.5f, 0.5f, 0.5f, 1.0f);
+ const std::vector<Vec4> vertexColors = generateColors(numViewports);
+ const std::vector<IVec4> scissors = generateScissors(numViewports, renderSize);
+
+ const VkDeviceSize colorBufferSize = renderSize.x() * renderSize.y() * tcu::getPixelSize(mapVkFormat(colorFormat));
+ const Unique<VkBuffer> colorBuffer (makeBuffer(vk, device, colorBufferSize, VK_BUFFER_USAGE_TRANSFER_DST_BIT));
+ const UniquePtr<Allocation> colorBufferAlloc (bindBuffer(vk, device, allocator, *colorBuffer, MemoryRequirement::HostVisible));
+
+ zeroBuffer(vk, device, *colorBufferAlloc, colorBufferSize);
+
+ {
+ context.getTestContext().getLog()
+ << tcu::TestLog::Message << "Rendering a colorful grid of " << numViewports << " rectangle(s)." << tcu::TestLog::EndMessage
+ << tcu::TestLog::Message << "Not covered area will be filled with a gray color." << tcu::TestLog::EndMessage;
+ }
+
+ // Draw
+ {
+ const ScissorRenderer renderer (context, renderSize, numViewports, scissors, colorFormat, clearColor, vertexColors);
+ renderer.draw(context, *colorBuffer);
+ }
+
+ // Log image
+ {
+ invalidateMappedMemoryRange(vk, device, colorBufferAlloc->getMemory(), 0ull, colorBufferSize);
+
+ const tcu::ConstPixelBufferAccess resultImage (mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1u, colorBufferAlloc->getHostPtr());
+ const tcu::TextureLevel referenceImage = generateReferenceImage(mapVkFormat(colorFormat), renderSize, clearColor, scissors, vertexColors);
+
+ // Images should now match.
+ if (!tcu::floatThresholdCompare(context.getTestContext().getLog(), "color", "Image compare", referenceImage.getAccess(), resultImage, Vec4(0.02f), tcu::COMPARE_LOG_RESULT))
+ return tcu::TestStatus::fail("Rendered image is not correct");
+ }
+
+ return tcu::TestStatus::pass("OK");
+}
+
+} // anonymous
+
+tcu::TestCaseGroup* createScissorMultiViewportTests (tcu::TestContext& testCtx)
+{
+ MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "multi_viewport", ""));
+
+ for (int numViewports = 1; numViewports <= MIN_MAX_VIEWPORTS; ++numViewports)
+ addFunctionCaseWithPrograms(group.get(), "scissor_" + de::toString(numViewports), "", initPrograms, test, numViewports);
+
+ return group.release();
+}
+
+} // FragmentOperations
+} // vkt
projects / platform / upstream / VK-GL-CTS.git / commitdiff