| /*------------------------------------------------------------------------ |
| * 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 Geometry Interaction - Passthrough |
| *//*--------------------------------------------------------------------*/ |
| |
| #include "vktTessellationGeometryPassthroughTests.hpp" |
| #include "vktTestCaseUtil.hpp" |
| #include "vktTessellationUtil.hpp" |
| |
| #include "tcuTestLog.hpp" |
| #include "tcuImageCompare.hpp" |
| |
| #include "vkDefs.hpp" |
| #include "vkQueryUtil.hpp" |
| #include "vkBuilderUtil.hpp" |
| #include "vkTypeUtil.hpp" |
| #include "vkImageUtil.hpp" |
| |
| #include "deUniquePtr.hpp" |
| |
| #include <string> |
| #include <vector> |
| |
| namespace vkt |
| { |
| namespace tessellation |
| { |
| |
| using namespace vk; |
| |
| namespace |
| { |
| |
| void addVertexAndFragmentShaders (vk::SourceCollections& programCollection) |
| { |
| // Vertex shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 a_position;\n" |
| << "layout(location = 0) out highp vec4 v_vertex_color;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " gl_Position = a_position;\n" |
| << " v_vertex_color = vec4(a_position.x * 0.5 + 0.5, a_position.y * 0.5 + 0.5, 1.0, 0.4);\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("vert") << glu::VertexSource(src.str()); |
| } |
| |
| // Fragment shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_fragment_color;\n" |
| << "layout(location = 0) out mediump vec4 fragColor;\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " fragColor = v_fragment_color;\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("frag") << glu::FragmentSource(src.str()); |
| } |
| } |
| |
| //! Tessellation evaluation shader used in passthrough geometry shader case. |
| std::string generateTessellationEvaluationShader (const TessPrimitiveType primitiveType, const std::string& colorOutputName) |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_tessellation_shader : require\n" |
| << "layout(" << getTessPrimitiveTypeShaderName(primitiveType) << ") in;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_patch_color[];\n" |
| << "layout(location = 0) out highp vec4 " << colorOutputName << ";\n" |
| << "\n" |
| << "// note: No need to use precise gl_Position since we do not require gapless geometry\n" |
| << "void main (void)\n" |
| << "{\n"; |
| |
| if (primitiveType == TESSPRIMITIVETYPE_TRIANGLES) |
| src << " vec3 weights = vec3(pow(gl_TessCoord.x, 1.3), pow(gl_TessCoord.y, 1.3), pow(gl_TessCoord.z, 1.3));\n" |
| << " vec3 cweights = gl_TessCoord;\n" |
| << " gl_Position = vec4(weights.x * gl_in[0].gl_Position.xyz + weights.y * gl_in[1].gl_Position.xyz + weights.z * gl_in[2].gl_Position.xyz, 1.0);\n" |
| << " " << colorOutputName << " = cweights.x * v_patch_color[0] + cweights.y * v_patch_color[1] + cweights.z * v_patch_color[2];\n"; |
| else if (primitiveType == TESSPRIMITIVETYPE_QUADS || primitiveType == TESSPRIMITIVETYPE_ISOLINES) |
| src << " vec2 normalizedCoord = (gl_TessCoord.xy * 2.0 - vec2(1.0));\n" |
| << " vec2 normalizedWeights = normalizedCoord * (vec2(1.0) - 0.3 * cos(normalizedCoord.yx * 1.57));\n" |
| << " vec2 weights = normalizedWeights * 0.5 + vec2(0.5);\n" |
| << " vec2 cweights = gl_TessCoord.xy;\n" |
| << " gl_Position = mix(mix(gl_in[0].gl_Position, gl_in[1].gl_Position, weights.y), mix(gl_in[2].gl_Position, gl_in[3].gl_Position, weights.y), weights.x);\n" |
| << " " << colorOutputName << " = mix(mix(v_patch_color[0], v_patch_color[1], cweights.y), mix(v_patch_color[2], v_patch_color[3], cweights.y), cweights.x);\n"; |
| else |
| DE_ASSERT(false); |
| |
| src << "}\n"; |
| |
| return src.str(); |
| } |
| |
| class IdentityGeometryShaderTestCase : public TestCase |
| { |
| public: |
| void initPrograms (vk::SourceCollections& programCollection) const; |
| TestInstance* createInstance (Context& context) const; |
| |
| IdentityGeometryShaderTestCase (tcu::TestContext& testCtx, const std::string& name, const std::string& description, const TessPrimitiveType primitiveType) |
| : TestCase (testCtx, name, description) |
| , m_primitiveType (primitiveType) |
| { |
| } |
| |
| private: |
| const TessPrimitiveType m_primitiveType; |
| }; |
| |
| void IdentityGeometryShaderTestCase::initPrograms (vk::SourceCollections& programCollection) const |
| { |
| addVertexAndFragmentShaders(programCollection); |
| |
| // Tessellation control |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_tessellation_shader : require\n" |
| << "layout(vertices = 4) out;\n" |
| << "\n" |
| << "layout(set = 0, binding = 0, std430) readonly restrict buffer TessLevels {\n" |
| << " float inner0;\n" |
| << " float inner1;\n" |
| << " float outer0;\n" |
| << " float outer1;\n" |
| << " float outer2;\n" |
| << " float outer3;\n" |
| << "} sb_levels;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_vertex_color[];\n" |
| << "layout(location = 0) out highp vec4 v_patch_color[];\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n" |
| << " v_patch_color[gl_InvocationID] = v_vertex_color[gl_InvocationID];\n" |
| << "\n" |
| << " gl_TessLevelInner[0] = sb_levels.inner0;\n" |
| << " gl_TessLevelInner[1] = sb_levels.inner1;\n" |
| << " gl_TessLevelOuter[0] = sb_levels.outer0;\n" |
| << " gl_TessLevelOuter[1] = sb_levels.outer1;\n" |
| << " gl_TessLevelOuter[2] = sb_levels.outer2;\n" |
| << " gl_TessLevelOuter[3] = sb_levels.outer3;\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("tesc") << glu::TessellationControlSource(src.str()); |
| } |
| |
| // Tessellation evaluation shader |
| { |
| programCollection.glslSources.add("tese_to_frag") |
| << glu::TessellationEvaluationSource(generateTessellationEvaluationShader(m_primitiveType, "v_fragment_color")); |
| programCollection.glslSources.add("tese_to_geom") |
| << glu::TessellationEvaluationSource(generateTessellationEvaluationShader(m_primitiveType, "v_evaluated_color")); |
| } |
| |
| // Geometry shader |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_geometry_shader : require\n" |
| << "layout(" << getGeometryShaderInputPrimitiveTypeShaderName(m_primitiveType, false) << ") in;\n" |
| << "layout(" << getGeometryShaderOutputPrimitiveTypeShaderName(m_primitiveType, false) |
| << ", max_vertices=" << numVerticesPerPrimitive(m_primitiveType, false) << ") out;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_evaluated_color[];\n" |
| << "layout(location = 0) out highp vec4 v_fragment_color;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " for (int ndx = 0; ndx < gl_in.length(); ++ndx)\n" |
| << " {\n" |
| << " gl_Position = gl_in[ndx].gl_Position;\n" |
| << " v_fragment_color = v_evaluated_color[ndx];\n" |
| << " EmitVertex();\n" |
| << " }\n" |
| << "}\n"; |
| |
| programCollection.glslSources.add("geom") << glu::GeometrySource(src.str()); |
| } |
| } |
| |
| class IdentityTessellationShaderTestCase : public TestCase |
| { |
| public: |
| void initPrograms (vk::SourceCollections& programCollection) const; |
| TestInstance* createInstance (Context& context) const; |
| |
| IdentityTessellationShaderTestCase (tcu::TestContext& testCtx, const std::string& name, const std::string& description, const TessPrimitiveType primitiveType) |
| : TestCase (testCtx, name, description) |
| , m_primitiveType (primitiveType) |
| { |
| } |
| |
| private: |
| const TessPrimitiveType m_primitiveType; |
| }; |
| |
| //! Geometry shader used in passthrough tessellation shader case. |
| std::string generateGeometryShader (const TessPrimitiveType primitiveType, const std::string& colorSourceName) |
| { |
| const int numEmitVertices = (primitiveType == TESSPRIMITIVETYPE_ISOLINES ? 11 : 8); |
| |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_geometry_shader : require\n" |
| << "layout(" << getGeometryShaderInputPrimitiveTypeShaderName(primitiveType, false) << ") in;\n" |
| << "layout(" << getGeometryShaderOutputPrimitiveTypeShaderName(primitiveType, false) |
| << ", max_vertices=" << numEmitVertices << ") out;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 " << colorSourceName << "[];\n" |
| << "layout(location = 0) out highp vec4 v_fragment_color;\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n"; |
| |
| if (primitiveType == TESSPRIMITIVETYPE_TRIANGLES) |
| { |
| src << " vec4 centerPos = (gl_in[0].gl_Position + gl_in[1].gl_Position + gl_in[2].gl_Position) / 3.0f;\n" |
| << "\n" |
| << " for (int ndx = 0; ndx < 4; ++ndx)\n" |
| << " {\n" |
| << " gl_Position = centerPos + (centerPos - gl_in[ndx % 3].gl_Position);\n" |
| << " v_fragment_color = " << colorSourceName << "[ndx % 3];\n" |
| << " EmitVertex();\n" |
| << "\n" |
| << " gl_Position = centerPos + 0.7 * (centerPos - gl_in[ndx % 3].gl_Position);\n" |
| << " v_fragment_color = " << colorSourceName << "[ndx % 3];\n" |
| << " EmitVertex();\n" |
| << " }\n"; |
| } |
| else if (primitiveType == TESSPRIMITIVETYPE_ISOLINES) |
| { |
| src << " vec4 mdir = vec4(gl_in[0].gl_Position.y - gl_in[1].gl_Position.y, gl_in[1].gl_Position.x - gl_in[0].gl_Position.x, 0.0, 0.0);\n" |
| << " for (int i = 0; i <= 10; ++i)\n" |
| << " {\n" |
| << " float xweight = cos(float(i) / 10.0 * 6.28) * 0.5 + 0.5;\n" |
| << " float mweight = sin(float(i) / 10.0 * 6.28) * 0.1 + 0.1;\n" |
| << " gl_Position = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, xweight) + mweight * mdir;\n" |
| << " v_fragment_color = mix(" << colorSourceName << "[0], " << colorSourceName << "[1], xweight);\n" |
| << " EmitVertex();\n" |
| << " }\n"; |
| } |
| else |
| DE_ASSERT(false); |
| |
| src << "}\n"; |
| |
| return src.str(); |
| } |
| |
| void IdentityTessellationShaderTestCase::initPrograms (vk::SourceCollections& programCollection) const |
| { |
| addVertexAndFragmentShaders(programCollection); |
| |
| // Tessellation control |
| { |
| std::ostringstream src; |
| src << glu::getGLSLVersionDeclaration(glu::GLSL_VERSION_310_ES) << "\n" |
| << "#extension GL_EXT_tessellation_shader : require\n" |
| << "layout(vertices = " << numVerticesPerPrimitive(m_primitiveType, false) << ") out;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_vertex_color[];\n" |
| << "layout(location = 0) out highp vec4 v_control_color[];\n" |
| << "\n" |
| << "void main (void)\n" |
| << "{\n" |
| << " gl_out[gl_InvocationID].gl_Position = gl_in[gl_InvocationID].gl_Position;\n" |
| << " v_control_color[gl_InvocationID] = v_vertex_color[gl_InvocationID];\n" |
| << "\n" |
| << " gl_TessLevelInner[0] = 1.0;\n" |
| << " gl_TessLevelInner[1] = 1.0;\n" |
| << " gl_TessLevelOuter[0] = 1.0;\n" |
| << " gl_TessLevelOuter[1] = 1.0;\n" |
| << " gl_TessLevelOuter[2] = 1.0;\n" |
| << " gl_TessLevelOuter[3] = 1.0;\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" |
| << "layout(" << getTessPrimitiveTypeShaderName(m_primitiveType) << ") in;\n" |
| << "\n" |
| << "layout(location = 0) in highp vec4 v_control_color[];\n" |
| << "layout(location = 0) out highp vec4 v_evaluated_color;\n" |
| << "\n" |
| << "// note: No need to use precise gl_Position since we do not require gapless geometry\n" |
| << "void main (void)\n" |
| << "{\n"; |
| |
| if (m_primitiveType == TESSPRIMITIVETYPE_TRIANGLES) |
| src << " gl_Position = gl_TessCoord.x * gl_in[0].gl_Position + gl_TessCoord.y * gl_in[1].gl_Position + gl_TessCoord.z * gl_in[2].gl_Position;\n" |
| << " v_evaluated_color = gl_TessCoord.x * v_control_color[0] + gl_TessCoord.y * v_control_color[1] + gl_TessCoord.z * v_control_color[2];\n"; |
| else if (m_primitiveType == TESSPRIMITIVETYPE_ISOLINES) |
| src << " gl_Position = mix(gl_in[0].gl_Position, gl_in[1].gl_Position, gl_TessCoord.x);\n" |
| << " v_evaluated_color = mix(v_control_color[0], v_control_color[1], gl_TessCoord.x);\n"; |
| else |
| DE_ASSERT(false); |
| |
| src << "}\n"; |
| |
| programCollection.glslSources.add("tese") << glu::TessellationEvaluationSource(src.str()); |
| } |
| |
| // Geometry shader |
| { |
| programCollection.glslSources.add("geom_from_tese") << glu::GeometrySource( |
| generateGeometryShader(m_primitiveType, "v_evaluated_color")); |
| programCollection.glslSources.add("geom_from_vert") << glu::GeometrySource( |
| generateGeometryShader(m_primitiveType, "v_vertex_color")); |
| } |
| } |
| |
| inline tcu::ConstPixelBufferAccess getPixelBufferAccess (const DeviceInterface& vk, |
| const VkDevice device, |
| const Buffer& colorBuffer, |
| const VkFormat colorFormat, |
| const VkDeviceSize colorBufferSizeBytes, |
| const tcu::IVec2& renderSize) |
| { |
| const Allocation& alloc = colorBuffer.getAllocation(); |
| invalidateMappedMemoryRange(vk, device, alloc.getMemory(), alloc.getOffset(), colorBufferSizeBytes); |
| return tcu::ConstPixelBufferAccess(mapVkFormat(colorFormat), renderSize.x(), renderSize.y(), 1, alloc.getHostPtr()); |
| } |
| |
| //! When a test case disables tessellation stage and we need to derive a primitive type. |
| VkPrimitiveTopology getPrimitiveTopology (const TessPrimitiveType primitiveType) |
| { |
| switch (primitiveType) |
| { |
| case TESSPRIMITIVETYPE_TRIANGLES: |
| case TESSPRIMITIVETYPE_QUADS: |
| return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST; |
| |
| case TESSPRIMITIVETYPE_ISOLINES: |
| return VK_PRIMITIVE_TOPOLOGY_LINE_LIST; |
| |
| default: |
| DE_ASSERT(false); |
| return VK_PRIMITIVE_TOPOLOGY_LAST; |
| } |
| } |
| |
| enum Constants |
| { |
| PIPELINE_CASES = 2, |
| RENDER_SIZE = 256, |
| }; |
| |
| class PassthroughTestInstance : public TestInstance |
| { |
| public: |
| struct PipelineDescription |
| { |
| bool useTessellation; |
| bool useGeometry; |
| std::string tessEvalShaderName; |
| std::string geomShaderName; |
| std::string description; |
| |
| PipelineDescription (void) : useTessellation(), useGeometry() {} |
| }; |
| |
| struct Params |
| { |
| bool useTessLevels; |
| TessLevels tessLevels; |
| TessPrimitiveType primitiveType; |
| int inputPatchVertices; |
| std::vector<tcu::Vec4> vertices; |
| PipelineDescription pipelineCases[PIPELINE_CASES]; //!< Each test case renders with two pipelines and compares results |
| std::string message; |
| |
| Params (void) : useTessLevels(), tessLevels(), primitiveType(), inputPatchVertices() {} |
| }; |
| |
| PassthroughTestInstance (Context& context, const Params& params) : TestInstance(context), m_params(params) {} |
| tcu::TestStatus iterate (void); |
| |
| private: |
| const Params m_params; |
| }; |
| |
| tcu::TestStatus PassthroughTestInstance::iterate (void) |
| { |
| requireFeatures(m_context.getInstanceInterface(), m_context.getPhysicalDevice(), FEATURE_TESSELLATION_SHADER | FEATURE_GEOMETRY_SHADER); |
| DE_STATIC_ASSERT(PIPELINE_CASES == 2); |
| |
| 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(); |
| |
| // Tessellation levels |
| const Buffer tessLevelsBuffer (vk, device, allocator, makeBufferCreateInfo(sizeof(TessLevels), VK_BUFFER_USAGE_STORAGE_BUFFER_BIT), MemoryRequirement::HostVisible); |
| |
| if (m_params.useTessLevels) |
| { |
| const Allocation& alloc = tessLevelsBuffer.getAllocation(); |
| TessLevels* const bufferTessLevels = static_cast<TessLevels*>(alloc.getHostPtr()); |
| *bufferTessLevels = m_params.tessLevels; |
| flushMappedMemoryRange(vk, device, alloc.getMemory(), alloc.getOffset(), sizeof(TessLevels)); |
| } |
| |
| // Vertex attributes |
| |
| const VkDeviceSize vertexDataSizeBytes = sizeInBytes(m_params.vertices); |
| const VkFormat vertexFormat = VK_FORMAT_R32G32B32A32_SFLOAT; |
| const Buffer vertexBuffer (vk, device, allocator, makeBufferCreateInfo(vertexDataSizeBytes, VK_BUFFER_USAGE_VERTEX_BUFFER_BIT), MemoryRequirement::HostVisible); |
| |
| { |
| const Allocation& alloc = vertexBuffer.getAllocation(); |
| deMemcpy(alloc.getHostPtr(), &m_params.vertices[0], static_cast<std::size_t>(vertexDataSizeBytes)); |
| flushMappedMemoryRange(vk, device, alloc.getMemory(), alloc.getOffset(), vertexDataSizeBytes); |
| } |
| |
| // Descriptors - make descriptor for tessellation levels, even if we don't use them, to simplify code |
| |
| const Unique<VkDescriptorSetLayout> descriptorSetLayout(DescriptorSetLayoutBuilder() |
| .addSingleBinding(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT) |
| .build(vk, device)); |
| |
| const Unique<VkDescriptorPool> descriptorPool(DescriptorPoolBuilder() |
| .addType(VK_DESCRIPTOR_TYPE_STORAGE_BUFFER) |
| .build(vk, device, VK_DESCRIPTOR_POOL_CREATE_FREE_DESCRIPTOR_SET_BIT, 1u)); |
| |
| const Unique<VkDescriptorSet> descriptorSet (makeDescriptorSet(vk, device, *descriptorPool, *descriptorSetLayout)); |
| const VkDescriptorBufferInfo tessLevelsBufferInfo = makeDescriptorBufferInfo(*tessLevelsBuffer, 0ull, sizeof(TessLevels)); |
| |
| DescriptorSetUpdateBuilder() |
| .writeSingle(*descriptorSet, DescriptorSetUpdateBuilder::Location::binding(0u), VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, &tessLevelsBufferInfo) |
| .update(vk, device); |
| |
| // Color attachment |
| |
| const tcu::IVec2 renderSize = tcu::IVec2(RENDER_SIZE, RENDER_SIZE); |
| 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. |
| // We use two buffers, one for each case. |
| |
| const VkDeviceSize colorBufferSizeBytes = renderSize.x()*renderSize.y() * tcu::getPixelSize(mapVkFormat(colorFormat)); |
| const Buffer colorBuffer1 (vk, device, allocator, makeBufferCreateInfo(colorBufferSizeBytes, VK_BUFFER_USAGE_TRANSFER_DST_BIT), MemoryRequirement::HostVisible); |
| const Buffer colorBuffer2 (vk, device, allocator, makeBufferCreateInfo(colorBufferSizeBytes, VK_BUFFER_USAGE_TRANSFER_DST_BIT), MemoryRequirement::HostVisible); |
| const Buffer* const colorBuffer[PIPELINE_CASES] = { &colorBuffer1, &colorBuffer2 }; |
| |
| // 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 (makePipelineLayout(vk, device, *descriptorSetLayout)); |
| const Unique<VkCommandPool> cmdPool (makeCommandPool(vk, device, queueFamilyIndex)); |
| const Unique<VkCommandBuffer> cmdBuffer (allocateCommandBuffer(vk, device, *cmdPool, VK_COMMAND_BUFFER_LEVEL_PRIMARY)); |
| |
| // Message explaining the test |
| { |
| tcu::TestLog& log = m_context.getTestContext().getLog(); |
| log << tcu::TestLog::Message << m_params.message << tcu::TestLog::EndMessage; |
| |
| if (m_params.useTessLevels) |
| log << tcu::TestLog::Message << "Tessellation levels: " << getTessellationLevelsString(m_params.tessLevels, m_params.primitiveType) << tcu::TestLog::EndMessage; |
| } |
| |
| for (int pipelineNdx = 0; pipelineNdx < PIPELINE_CASES; ++pipelineNdx) |
| { |
| const PipelineDescription& pipelineDescription = m_params.pipelineCases[pipelineNdx]; |
| GraphicsPipelineBuilder pipelineBuilder; |
| |
| pipelineBuilder |
| .setPrimitiveTopology (getPrimitiveTopology(m_params.primitiveType)) |
| .setRenderSize (renderSize) |
| .setBlend (true) |
| .setVertexInputSingleAttribute(vertexFormat, tcu::getPixelSize(mapVkFormat(vertexFormat))) |
| .setPatchControlPoints (m_params.inputPatchVertices) |
| .setShader (vk, device, VK_SHADER_STAGE_VERTEX_BIT, m_context.getBinaryCollection().get("vert"), DE_NULL) |
| .setShader (vk, device, VK_SHADER_STAGE_FRAGMENT_BIT, m_context.getBinaryCollection().get("frag"), DE_NULL); |
| |
| if (pipelineDescription.useTessellation) |
| pipelineBuilder |
| .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(pipelineDescription.tessEvalShaderName), DE_NULL); |
| |
| if (pipelineDescription.useGeometry) |
| pipelineBuilder |
| .setShader (vk, device, VK_SHADER_STAGE_GEOMETRY_BIT, m_context.getBinaryCollection().get(pipelineDescription.geomShaderName), DE_NULL); |
| |
| const Unique<VkPipeline> pipeline (pipelineBuilder.build(vk, device, *pipelineLayout, *renderPass)); |
| |
| // Draw commands |
| |
| beginCommandBuffer(vk, *cmdBuffer); |
| |
| // Change color attachment image layout |
| { |
| // State is slightly different on the first iteration. |
| const VkImageLayout currentLayout = (pipelineNdx == 0 ? VK_IMAGE_LAYOUT_UNDEFINED : VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL); |
| const VkAccessFlags srcFlags = (pipelineNdx == 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(0.0f, 0.0f, 0.0f, 1.0f); |
| |
| beginRenderPass(vk, *cmdBuffer, *renderPass, *framebuffer, renderArea, clearColor); |
| } |
| |
| vk.cmdBindPipeline(*cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipeline); |
| { |
| const VkDeviceSize vertexBufferOffset = 0ull; |
| vk.cmdBindVertexBuffers(*cmdBuffer, 0u, 1u, &vertexBuffer.get(), &vertexBufferOffset); |
| } |
| |
| if (m_params.useTessLevels) |
| vk.cmdBindDescriptorSets(*cmdBuffer, VK_PIPELINE_BIND_POINT_GRAPHICS, *pipelineLayout, 0u, 1u, &descriptorSet.get(), 0u, DE_NULL); |
| |
| vk.cmdDraw(*cmdBuffer, static_cast<deUint32>(m_params.vertices.size()), 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(), 1), makeImageSubresourceLayers(VK_IMAGE_ASPECT_COLOR_BIT, 0u, 0u, 1u)); |
| vk.cmdCopyImageToBuffer(*cmdBuffer, *colorAttachmentImage, VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL, colorBuffer[pipelineNdx]->get(), 1u, ©Region); |
| } |
| { |
| const VkBufferMemoryBarrier postCopyBarrier = makeBufferMemoryBarrier( |
| VK_ACCESS_TRANSFER_WRITE_BIT, VK_ACCESS_HOST_READ_BIT, colorBuffer[pipelineNdx]->get(), 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); |
| } |
| |
| // Verify results |
| |
| tcu::ConstPixelBufferAccess image0 = getPixelBufferAccess(vk, device, *colorBuffer[0], colorFormat, colorBufferSizeBytes, renderSize); |
| tcu::ConstPixelBufferAccess image1 = getPixelBufferAccess(vk, device, *colorBuffer[1], colorFormat, colorBufferSizeBytes, renderSize); |
| |
| const tcu::UVec4 colorThreshold (8, 8, 8, 255); |
| const tcu::IVec3 positionDeviation (1, 1, 0); // 3x3 search kernel |
| const bool ignoreOutOfBounds = true; |
| |
| tcu::TestLog& log = m_context.getTestContext().getLog(); |
| log << tcu::TestLog::Message |
| << "In image comparison:\n" |
| << " Reference - " << m_params.pipelineCases[0].description << "\n" |
| << " Result - " << m_params.pipelineCases[1].description << "\n" |
| << tcu::TestLog::EndMessage; |
| |
| const bool ok = tcu::intThresholdPositionDeviationCompare( |
| log, "ImageCompare", "Image comparison", image0, image1, colorThreshold, positionDeviation, ignoreOutOfBounds, tcu::COMPARE_LOG_RESULT); |
| |
| return (ok ? tcu::TestStatus::pass("OK") : tcu::TestStatus::fail("Image comparison failed")); |
| } |
| |
| TestInstance* IdentityGeometryShaderTestCase::createInstance (Context& context) const |
| { |
| PassthroughTestInstance::Params params; |
| |
| const float level = 14.0; |
| params.useTessLevels = true; |
| params.tessLevels.inner[0] = level; |
| params.tessLevels.inner[1] = level; |
| params.tessLevels.outer[0] = level; |
| params.tessLevels.outer[1] = level; |
| params.tessLevels.outer[2] = level; |
| params.tessLevels.outer[3] = level; |
| |
| params.primitiveType = m_primitiveType; |
| params.inputPatchVertices = (m_primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 3 : 4); |
| |
| params.vertices.push_back(tcu::Vec4( -0.9f, -0.9f, 0.0f, 1.0f )); |
| params.vertices.push_back(tcu::Vec4( -0.9f, 0.9f, 0.0f, 1.0f )); |
| params.vertices.push_back(tcu::Vec4( 0.9f, -0.9f, 0.0f, 1.0f )); |
| params.vertices.push_back(tcu::Vec4( 0.9f, 0.9f, 0.0f, 1.0f )); |
| |
| params.pipelineCases[0].useTessellation = true; |
| params.pipelineCases[0].useGeometry = true; |
| params.pipelineCases[0].tessEvalShaderName = "tese_to_geom"; |
| params.pipelineCases[0].geomShaderName = "geom"; |
| params.pipelineCases[0].description = "passthrough geometry shader"; |
| |
| params.pipelineCases[1].useTessellation = true; |
| params.pipelineCases[1].useGeometry = false; |
| params.pipelineCases[1].tessEvalShaderName = "tese_to_frag"; |
| params.pipelineCases[1].geomShaderName = "geom"; |
| params.pipelineCases[1].description = "no geometry shader in the pipeline"; |
| |
| params.message = "Testing tessellating shader program output does not change when a passthrough geometry shader is attached.\n" |
| "Rendering two images, first with and second without a geometry shader. Expecting similar results.\n" |
| "Using additive blending to detect overlap.\n"; |
| |
| return new PassthroughTestInstance(context, params); |
| }; |
| |
| TestInstance* IdentityTessellationShaderTestCase::createInstance (Context& context) const |
| { |
| PassthroughTestInstance::Params params; |
| |
| params.useTessLevels = false; |
| params.primitiveType = m_primitiveType; |
| params.inputPatchVertices = (m_primitiveType == TESSPRIMITIVETYPE_TRIANGLES ? 3 : 2); |
| |
| params.vertices.push_back( tcu::Vec4( -0.4f, 0.4f, 0.0f, 1.0f )); |
| params.vertices.push_back( tcu::Vec4( 0.0f, -0.5f, 0.0f, 1.0f )); |
| if (params.inputPatchVertices == 3) |
| params.vertices.push_back(tcu::Vec4( 0.4f, 0.4f, 0.0f, 1.0f )); |
| |
| params.pipelineCases[0].useTessellation = true; |
| params.pipelineCases[0].useGeometry = true; |
| params.pipelineCases[0].tessEvalShaderName = "tese"; |
| params.pipelineCases[0].geomShaderName = "geom_from_tese"; |
| params.pipelineCases[0].description = "passthrough tessellation shaders"; |
| |
| params.pipelineCases[1].useTessellation = false; |
| params.pipelineCases[1].useGeometry = true; |
| params.pipelineCases[1].tessEvalShaderName = "tese"; |
| params.pipelineCases[1].geomShaderName = "geom_from_vert"; |
| params.pipelineCases[1].description = "no tessellation shaders in the pipeline"; |
| |
| params.message = "Testing geometry shading shader program output does not change when a passthrough tessellation shader is attached.\n" |
| "Rendering two images, first with and second without a tessellation shader. Expecting similar results.\n" |
| "Using additive blending to detect overlap.\n"; |
| |
| return new PassthroughTestInstance(context, params); |
| }; |
| |
| inline TestCase* makeIdentityGeometryShaderCase (tcu::TestContext& testCtx, const TessPrimitiveType primitiveType) |
| { |
| return new IdentityGeometryShaderTestCase( |
| testCtx, |
| "tessellate_" + de::toString(getTessPrimitiveTypeShaderName(primitiveType)) + "_passthrough_geometry_no_change", |
| "Passthrough geometry shader has no effect", |
| primitiveType); |
| } |
| |
| inline TestCase* makeIdentityTessellationShaderCase (tcu::TestContext& testCtx, const TessPrimitiveType primitiveType) |
| { |
| return new IdentityTessellationShaderTestCase( |
| testCtx, |
| "passthrough_tessellation_geometry_shade_" + de::toString(getTessPrimitiveTypeShaderName(primitiveType)) + "_no_change", |
| "Passthrough tessellation shader has no effect", |
| primitiveType); |
| } |
| |
| } // anonymous |
| |
| |
| //! Ported from dEQP-GLES31.functional.tessellation_geometry_interaction.render.passthrough.* |
| tcu::TestCaseGroup* createGeometryPassthroughTests (tcu::TestContext& testCtx) |
| { |
| de::MovePtr<tcu::TestCaseGroup> group (new tcu::TestCaseGroup(testCtx, "passthrough", "Render various types with either passthrough geometry or tessellation shader")); |
| |
| // Passthrough geometry shader |
| group->addChild(makeIdentityGeometryShaderCase(testCtx, TESSPRIMITIVETYPE_TRIANGLES)); |
| group->addChild(makeIdentityGeometryShaderCase(testCtx, TESSPRIMITIVETYPE_QUADS)); |
| group->addChild(makeIdentityGeometryShaderCase(testCtx, TESSPRIMITIVETYPE_ISOLINES)); |
| |
| // Passthrough tessellation shader |
| group->addChild(makeIdentityTessellationShaderCase(testCtx, TESSPRIMITIVETYPE_TRIANGLES)); |
| group->addChild(makeIdentityTessellationShaderCase(testCtx, TESSPRIMITIVETYPE_ISOLINES)); |
| |
| return group.release(); |
| } |
| |
| } // tessellation |
| } // vkt |
