| /*------------------------------------------------------------------------ |
| * Vulkan Conformance Tests |
| * ------------------------ |
| * |
| * Copyright (c) 2014 The Android Open Source Project |
| * Copyright (c) 2016 The Khronos Group Inc. |
| * |
| * 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 Tessellation Winding Tests |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "vktTessellationWindingTests.hpp" |
| #include "vktTestCaseUtil.hpp" |
| #include "vktTessellationUtil.hpp" |
| |
| #include "tcuTestLog.hpp" |
| #include "tcuRGBA.hpp" |
| |
| #include "vkDefs.hpp" |
| #include "vkQueryUtil.hpp" |
| #include "vkBuilderUtil.hpp" |
| #include "vkImageUtil.hpp" |
| #include "vkTypeUtil.hpp" |
| #include "vkStrUtil.hpp" |
| |
| #include "deUniquePtr.hpp" |
| |
| namespace vkt |
| { |
| namespace tessellation |
| { |
| |
| using namespace vk; |
| |
| namespace |
| { |
| |
| std::string getCaseName (const TessPrimitiveType primitiveType, const Winding winding) |
| { |
| std::ostringstream str; |
| str << getTessPrimitiveTypeShaderName(primitiveType) << "_" << getWindingShaderName(winding); |
| return str.str(); |
| } |
| |
| inline VkFrontFace mapFrontFace (const Winding winding) |
| { |
| switch (winding) |
| { |
| case WINDING_CCW: return VK_FRONT_FACE_COUNTER_CLOCKWISE; |
| case WINDING_CW: return VK_FRONT_FACE_CLOCKWISE; |
| default: |
| DE_ASSERT(false); |
| return VK_FRONT_FACE_LAST; |
| } |
| } |
| |
| //! Returns true when the image passes the verification. |
| bool verifyResultImage (tcu::TestLog& log, |
| const tcu::ConstPixelBufferAccess image, |
| const TessPrimitiveType primitiveType, |
| const Winding winding, |
| const Winding frontFaceWinding) |
| { |
| const int totalNumPixels = image.getWidth()*image.getHeight(); |
| const int badPixelTolerance = (primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 5*de::max(image.getWidth(), image.getHeight()) : 0); |
| |
| const tcu::Vec4 white = tcu::RGBA::white().toVec(); |
| const tcu::Vec4 red = tcu::RGBA::red().toVec(); |
| |
| int numWhitePixels = 0; |
| int numRedPixels = 0; |
| for (int y = 0; y < image.getHeight(); y++) |
| for (int x = 0; x < image.getWidth(); x++) |
| { |
| numWhitePixels += image.getPixel(x, y) == white ? 1 : 0; |
| numRedPixels += image.getPixel(x, y) == red ? 1 : 0; |
| } |
| |
| DE_ASSERT(numWhitePixels + numRedPixels <= totalNumPixels); |
| |
| log << tcu::TestLog::Message << "Note: got " << numWhitePixels << " white and " << numRedPixels << " red pixels" << tcu::TestLog::EndMessage; |
| |
| const int otherPixels = totalNumPixels - numWhitePixels - numRedPixels; |
| if (otherPixels > badPixelTolerance) |
| { |
| log << tcu::TestLog::Message |
| << "Failure: Got " << otherPixels << " other than white or red pixels (maximum tolerance " << badPixelTolerance << ")" |
| << tcu::TestLog::EndMessage; |
| return false; |
| } |
| |
| if (frontFaceWinding == winding) |
| { |
| if (primitiveType == TESSPRIMITIVETYPE_TRIANGLES) |
| { |
| if (de::abs(numWhitePixels - totalNumPixels/2) > badPixelTolerance) |
| { |
| log << tcu::TestLog::Message << "Failure: wrong number of white pixels; expected approximately " << totalNumPixels/2 << tcu::TestLog::EndMessage; |
| return false; |
| } |
| } |
| else if (primitiveType == TESSPRIMITIVETYPE_QUADS) |
| { |
| if (numWhitePixels != totalNumPixels) |
| { |
| log << tcu::TestLog::Message << "Failure: expected only white pixels (full-viewport quad)" << tcu::TestLog::EndMessage; |
| return false; |
| } |
| } |
| else |
| DE_ASSERT(false); |
| } |
| else |
| { |
| if (numWhitePixels != 0) |
| { |
| log << tcu::TestLog::Message << "Failure: expected only red pixels (everything culled)" << tcu::TestLog::EndMessage; |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| class WindingTest : public TestCase |
| { |
| public: |
| WindingTest (tcu::TestContext& testCtx, |
| const TessPrimitiveType primitiveType, |
| const Winding winding); |
| |
| void initPrograms (SourceCollections& programCollection) const; |
| TestInstance* createInstance (Context& context) const; |
| |
| private: |
| const TessPrimitiveType m_primitiveType; |
| const Winding m_winding; |
| }; |
| |
| WindingTest::WindingTest (tcu::TestContext& testCtx, |
| const TessPrimitiveType primitiveType, |
| const Winding winding) |
| : TestCase (testCtx, getCaseName(primitiveType, winding), "") |
| , m_primitiveType (primitiveType) |
| , m_winding (winding) |
| { |
| } |
| |
| void WindingTest::initPrograms (SourceCollections& programCollection) const |
| { |
| // Vertex shader - no inputs |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("vert") << glu::VertexSource(src.str()); |
| } |
| |
| // Tessellation control shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_tessellation_shader : require\n" |
| << "\n" |
| << "layout(vertices = 1) out;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " gl_TessLevelInner[0] = 5.0;\n" |
| << " gl_TessLevelInner[1] = 5.0;\n" |
| << "\n" |
| << " gl_TessLevelOuter[0] = 5.0;\n" |
| << " gl_TessLevelOuter[1] = 5.0;\n" |
| << " gl_TessLevelOuter[2] = 5.0;\n" |
| << " gl_TessLevelOuter[3] = 5.0;\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("tesc") << glu::TessellationControlSource(src.str()); |
| } |
| |
| // Tessellation evaluation shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_tessellation_shader : require\n" |
| << "\n" |
| << "layout(" << getTessPrimitiveTypeShaderName(m_primitiveType) << ", " |
| << getWindingShaderName(m_winding) << ") in;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " gl_Position = vec4(gl_TessCoord.xy*2.0 - 1.0, 0.0, 1.0);\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("tese") << glu::TessellationEvaluationSource(src.str()); |
| } |
| |
| // Fragment shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "\n" |
| << "layout(location = 0) out mediump vec4 o_color;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " o_color = vec4(1.0);\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("frag") << glu::FragmentSource(src.str()); |
| } |
| } |
| |
| class WindingTestInstance : public TestInstance |
| { |
| public: |
| WindingTestInstance (Context& context, |
| const TessPrimitiveType primitiveType, |
| const Winding winding); |
| |
| tcu::TestStatus iterate (void); |
| |
| private: |
| const TessPrimitiveType m_primitiveType; |
| const Winding m_winding; |
| }; |
| |
| WindingTestInstance::WindingTestInstance (Context& context, |
| const TessPrimitiveType primitiveType, |
| const Winding winding) |
| : TestInstance (context) |
| , m_primitiveType (primitiveType) |
| , m_winding (winding) |
| { |
| } |
| |
| tcu::TestStatus WindingTestInstance::iterate (void) |
| { |
| const DeviceInterface& vk = m_context.getDeviceInterface(); |
| const VkDevice device = m_context.getDevice(); |
| const VkQueue queue = m_context.getUniversalQueue(); |
| const deUint32 queueFamilyIndex = m_context.getUniversalQueueFamilyIndex(); |
| Allocator& allocator = m_context.getDefaultAllocator(); |
| |
| // Color attachment |
| |
| const tcu::IVec2 renderSize = tcu::IVec2(64, 64); |
| const VkFormat colorFormat = VK_FORMAT_R8G8B8A8_UNORM; |
| const VkImageSubresourceRange colorImageSubresourceRange = makeImageSubresourceRange(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 1u, 0u, 1u); |
| const Image colorAttachmentImage (vk, device, allocator, |
| makeImageCreateInfo(renderSize, colorFormat, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT, 1u), |
| MemoryRequirement::Any); |
| |
| // Color output buffer: image will be copied here for verification |
| |
| const VkDeviceSize colorBufferSizeBytes = renderSize.x()*renderSize.y() * tcu::getPixelSize(mapVkFormat(colorFormat)); |
| const Buffer colorBuffer (vk, device, allocator, makeBufferCreateInfo(colorBufferSizeBytes, VK_BUFFER_USAGE_TRANSFER_DST_BIT), MemoryRequirement::HostVisible); |
| |
| // Pipeline |
| |
| const Unique<VkImageView> colorAttachmentView(makeImageView (vk, device, *colorAttachmentImage, VK_IMAGE_VIEW_TYPE_2D, colorFormat, colorImageSubresourceRange)); |
| const Unique<VkRenderPass> renderPass (makeRenderPass (vk, device, colorFormat)); |
| const Unique<VkFramebuffer> framebuffer (makeFramebuffer (vk, device, *renderPass, *colorAttachmentView, renderSize.x(), renderSize.y(), 1u)); |
| const Unique<VkPipelineLayout> pipelineLayout (makePipelineLayoutWithoutDescriptors(vk, device)); |
| |
| const VkCullModeFlags cullMode = VK_CULL_MODE_BACK_BIT; |
| |
| // Front face is static state, so we have to create two pipelines. |
| |
| const Unique<VkPipeline> pipelineCounterClockwise(GraphicsPipelineBuilder() |
| .setRenderSize (renderSize) |
| .setCullModeFlags(cullMode) |
| .setFrontFace (VK_FRONT_FACE_COUNTER_CLOCKWISE) |
| .setShader (vk, device, VK_SHADER_STAGE_VERTEX_BIT, m_context.getBinaryCollection().get("vert"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, m_context.getBinaryCollection().get("tesc"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, m_context.getBinaryCollection().get("tese"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_FRAGMENT_BIT, m_context.getBinaryCollection().get("frag"), DE_NULL) |
| .build (vk, device, *pipelineLayout, *renderPass)); |
| |
| const Unique<VkPipeline> pipelineClockwise(GraphicsPipelineBuilder() |
| .setRenderSize (renderSize) |
| .setCullModeFlags(cullMode) |
| .setFrontFace (VK_FRONT_FACE_CLOCKWISE) |
| .setShader (vk, device, VK_SHADER_STAGE_VERTEX_BIT, m_context.getBinaryCollection().get("vert"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT, m_context.getBinaryCollection().get("tesc"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT, m_context.getBinaryCollection().get("tese"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_FRAGMENT_BIT, m_context.getBinaryCollection().get("frag"), DE_NULL) |
| .build (vk, device, *pipelineLayout, *renderPass)); |
| |
| const struct // not static |
| { |
| Winding frontFaceWinding; |
| VkPipeline pipeline; |
| } testCases[] = |
| { |
| { WINDING_CCW, *pipelineCounterClockwise }, |
| { WINDING_CW, *pipelineClockwise }, |
| }; |
| |
| tcu::TestLog& log = m_context.getTestContext().getLog(); |
| log << tcu::TestLog::Message << "Pipeline uses " << getCullModeFlagsStr(cullMode) << tcu::TestLog::EndMessage; |
| |
| bool success = true; |
| |
| // Draw commands |
| |
| const Unique<VkCommandPool> cmdPool (makeCommandPool (vk, device, queueFamilyIndex)); |
| const Unique<VkCommandBuffer> cmdBuffer(makeCommandBuffer(vk, device, *cmdPool)); |
| |
| for (int caseNdx = 0; caseNdx < DE_LENGTH_OF_ARRAY(testCases); ++caseNdx) |
| { |
| const Winding frontFaceWinding = testCases[caseNdx].frontFaceWinding; |
| |
| log << tcu::TestLog::Message << "Setting " << getFrontFaceName(mapFrontFace(frontFaceWinding)) << tcu::TestLog::EndMessage; |
| |
| // Reset the command buffer and begin. |
| beginCommandBuffer(vk, *cmdBuffer); |
| |
| // Change color attachment image layout |
| { |
| // State is slightly different on the first iteration. |
| const VkImageLayout currentLayout = (caseNdx == 0 ? VK_IMAGE_LAYOUT_UNDEFINED : VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL); |
| const VkAccessFlags srcFlags = (caseNdx == 0 ? (VkAccessFlags)0 : (VkAccessFlags)VK_ACCESS_TRANSFER_READ_BIT); |
| |
| const VkImageMemoryBarrier colorAttachmentLayoutBarrier = makeImageMemoryBarrier( |
| srcFlags, VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, |
| currentLayout, VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, |
| *colorAttachmentImage, colorImageSubresourceRange); |
| |
| vk.cmdPipelineBarrier(*cmdBuffer, VK_PIPELINE_STAGE_TOP_OF_PIPE_BIT | VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT, 0u, |
| 0u, DE_NULL, 0u, DE_NULL, 1u, &colorAttachmentLayoutBarrier); |
| } |
| |
| // Begin render pass |
| { |
| const VkRect2D renderArea = { |
| makeOffset2D(0, 0), |
| makeExtent2D(renderSize.x(), renderSize.y()), |
| }; |
| const tcu::Vec4 clearColor = tcu::RGBA::red().toVec(); |
| |
| beginRenderPass(vk, *cmdBuffer, *renderPass, *framebuffer, renderArea, clearColor); |
| } |
| |
| vk.cmdBindPipeline(*cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, testCases[caseNdx].pipeline); |
| |
| // Process a single abstract vertex. |
| vk.cmdDraw(*cmdBuffer, 1u, 1u, 0u, 0u); |
| endRenderPass(vk, *cmdBuffer); |
| |
| // Copy render result to a host-visible buffer |
| { |
| const VkImageMemoryBarrier colorAttachmentPreCopyBarrier = makeImageMemoryBarrier( |
| VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT, VK_ACCESS_TRANSFER_READ_BIT, |
| VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, |
| *colorAttachmentImage, colorImageSubresourceRange); |
| |
| vk.cmdPipelineBarrier(*cmdBuffer, VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_TRANSFER_BIT, 0u, |
| 0u, DE_NULL, 0u, DE_NULL, 1u, &colorAttachmentPreCopyBarrier); |
| } |
| { |
| const VkBufferImageCopy copyRegion = makeBufferImageCopy(makeExtent3D(renderSize.x(), renderSize.y(), 0), makeImageSubresourceLayers(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, 1u)); |
| vk.cmdCopyImageToBuffer(*cmdBuffer, *colorAttachmentImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, *colorBuffer, 1u, ©Region); |
| } |
| { |
| const VkBufferMemoryBarrier postCopyBarrier = makeBufferMemoryBarrier( |
| VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_HOST_READ_BIT, *colorBuffer, 0ull, colorBufferSizeBytes); |
| |
| vk.cmdPipelineBarrier(*cmdBuffer, VK_PIPELINE_STAGE_TRANSFER_BIT, VK_PIPELINE_STAGE_HOST_BIT, 0u, |
| 0u, DE_NULL, 1u, &postCopyBarrier, 0u, DE_NULL); |
| } |
| |
| endCommandBuffer(vk, *cmdBuffer); |
| submitCommandsAndWait(vk, device, queue, *cmdBuffer); |
| |
| { |
| // Log rendered image |
| const Allocation& colorBufferAlloc = colorBuffer.getAllocation(); |
| invalidateMappedMemoryRange(vk, device, colorBufferAlloc.getMemory(), colorBufferAlloc.getOffset(), colorBufferSizeBytes); |
| |
| const tcu::ConstPixelBufferAccess imagePixelAccess(mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1, colorBufferAlloc.getHostPtr()); |
| log << tcu::TestLog::Image("color0", "Rendered image", imagePixelAccess); |
| |
| // Verify case result |
| success = success && verifyResultImage(log, imagePixelAccess, m_primitiveType, m_winding, frontFaceWinding); |
| } |
| } // for windingNdx |
| |
| return (success ? tcu::TestStatus::pass("OK") : tcu::TestStatus::fail("Failure")); |
| } |
| |
| TestInstance* WindingTest::createInstance (Context& context) const |
| { |
| requireFeatures(context.getInstanceInterface(), context.getPhysicalDevice(), FEATURE_TESSELLATION_SHADER); |
| |
| return new WindingTestInstance(context, m_primitiveType, m_winding); |
| } |
| |
| } // anonymous |
| |
| //! These tests correspond to dEQP-GLES31.functional.tessellation.winding.* |
| tcu::TestCaseGroup* createWindingTests (tcu::TestContext& testCtx) |
| { |
| de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "winding", "Test the cw and ccw input layout qualifiers")); |
| |
| static const TessPrimitiveType primitivesNoIsolines[] = |
| { |
| TESSPRIMITIVETYPE_TRIANGLES, |
| TESSPRIMITIVETYPE_QUADS, |
| }; |
| |
| for (int primitiveTypeNdx = 0; primitiveTypeNdx < DE_LENGTH_OF_ARRAY(primitivesNoIsolines); ++primitiveTypeNdx) |
| for (int windingNdx = 0; windingNdx < WINDING_LAST; ++windingNdx) |
| group->addChild(new WindingTest(testCtx, primitivesNoIsolines[primitiveTypeNdx], (Winding)windingNdx)); |
| |
| return group.release(); |
| } |
| |
| } // tessellation |
| } // vkt |