1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "GrVkCopyPipeline.h" 9 10 #include "GrVkGpu.h" 11 #include "GrVkUtil.h" 12 #include "SkOnce.h" 13 14 static void setup_multisample_state(int numSamples, 15 VkPipelineMultisampleStateCreateInfo* multisampleInfo) { 16 memset(multisampleInfo, 0, sizeof(VkPipelineMultisampleStateCreateInfo)); 17 multisampleInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; 18 multisampleInfo->pNext = nullptr; 19 multisampleInfo->flags = 0; 20 SkAssertResult(GrSampleCountToVkSampleCount(numSamples, 21 &multisampleInfo->rasterizationSamples)); 22 multisampleInfo->sampleShadingEnable = VK_FALSE; 23 multisampleInfo->minSampleShading = 0.0f; 24 multisampleInfo->pSampleMask = nullptr; 25 multisampleInfo->alphaToCoverageEnable = VK_FALSE; 26 multisampleInfo->alphaToOneEnable = VK_FALSE; 27 } 28 29 GrVkCopyPipeline* GrVkCopyPipeline::Create(GrVkGpu* gpu, 30 VkPipelineShaderStageCreateInfo* shaderStageInfo, 31 VkPipelineLayout pipelineLayout, 32 int numSamples, 33 const GrVkRenderPass& renderPass, 34 VkPipelineCache cache) { 35 36 static const VkVertexInputAttributeDescription attributeDesc = { 37 0, // location 38 0, // binding 39 VK_FORMAT_R32G32_SFLOAT, // format 40 0, // offset 41 }; 42 43 static const VkVertexInputBindingDescription bindingDesc = { 44 0, // binding 45 2 * sizeof(float), // stride 46 VK_VERTEX_INPUT_RATE_VERTEX // inputRate 47 }; 48 49 static const VkPipelineVertexInputStateCreateInfo vertexInputInfo = { 50 VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO, // sType 51 nullptr, // pNext 52 0, // flags 53 1, // vertexBindingDescriptionCount 54 &bindingDesc, // pVertexBindingDescriptions 55 1, // vertexAttributeDescriptionCnt 56 &attributeDesc, // pVertexAttributeDescriptions 57 }; 58 59 static const VkPipelineInputAssemblyStateCreateInfo inputAssemblyInfo = { 60 VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO, // sType 61 nullptr, // pNext 62 0, // flags 63 VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP, // topology 64 VK_FALSE // primitiveRestartEnable 65 }; 66 67 static const VkStencilOpState dummyStencilState = { 68 VK_STENCIL_OP_KEEP, // failOp 69 VK_STENCIL_OP_KEEP, // passOp 70 VK_STENCIL_OP_KEEP, // depthFailOp 71 VK_COMPARE_OP_NEVER, // compareOp 72 0, // compareMask 73 0, // writeMask 74 0 // reference 75 }; 76 77 static const VkPipelineDepthStencilStateCreateInfo stencilInfo = { 78 VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO, // sType 79 nullptr, // pNext 80 0, // flags 81 VK_FALSE, // depthTestEnable 82 VK_FALSE, // depthWriteEnable 83 VK_COMPARE_OP_ALWAYS, // depthCompareOp 84 VK_FALSE, // depthBoundsTestEnable 85 VK_FALSE, // stencilTestEnable 86 dummyStencilState, // front 87 dummyStencilState, // bakc 88 0.0f, // minDepthBounds 89 1.0f // maxDepthBounds 90 }; 91 92 static const VkPipelineViewportStateCreateInfo viewportInfo = { 93 VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO, // sType 94 nullptr, // pNext 95 0, // flags 96 1, // viewportCount 97 nullptr, // pViewports 98 1, // scissorCount 99 nullptr // pScissors 100 }; 101 102 static const VkPipelineColorBlendAttachmentState attachmentState = { 103 VK_TRUE, // belndEnable 104 VK_BLEND_FACTOR_ONE, // srcColorBlendFactor 105 VK_BLEND_FACTOR_ZERO, // dstColorBlendFactor 106 VK_BLEND_OP_ADD, // colorBlendOp 107 VK_BLEND_FACTOR_ONE, // srcAlphaBlendFactor 108 VK_BLEND_FACTOR_ZERO, // dstAlphaBlendFactor 109 VK_BLEND_OP_ADD, // alphaBlendOp 110 VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | // colorWriteMask 111 VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT // colorWriteMask 112 }; 113 114 static const VkPipelineColorBlendStateCreateInfo colorBlendInfo = { 115 VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO, // sType 116 nullptr, // pNext 117 0, // flags 118 VK_FALSE, // logicOpEnable 119 VK_LOGIC_OP_CLEAR, // logicOp 120 1, // attachmentCount 121 &attachmentState, // pAttachments 122 { 0.f, 0.f, 0.f, 0.f } // blendConstants[4] 123 }; 124 125 static const VkPipelineRasterizationStateCreateInfo rasterInfo = { 126 VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO, // sType 127 nullptr, // pNext 128 0, // flags 129 VK_FALSE, // depthClampEnable 130 VK_FALSE, // rasterizerDiscardEnabled 131 VK_POLYGON_MODE_FILL, // polygonMode 132 VK_CULL_MODE_NONE, // cullMode 133 VK_FRONT_FACE_COUNTER_CLOCKWISE, // frontFace 134 VK_FALSE, // depthBiasEnable 135 0.0f, // depthBiasConstantFactor 136 0.0f, // depthBiasClamp 137 0.0f, // depthBiasSlopeFactor 138 1.0f // lineWidth 139 }; 140 141 static const VkDynamicState dynamicStates[2] = { VK_DYNAMIC_STATE_VIEWPORT, 142 VK_DYNAMIC_STATE_SCISSOR }; 143 static const VkPipelineDynamicStateCreateInfo dynamicInfo = { 144 VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO, // sType 145 nullptr, // pNext 146 0, // flags 147 2, // dynamicStateCount 148 dynamicStates // pDynamicStates 149 }; 150 151 VkPipelineMultisampleStateCreateInfo multisampleInfo; 152 setup_multisample_state(numSamples, &multisampleInfo); 153 154 VkGraphicsPipelineCreateInfo pipelineCreateInfo; 155 memset(&pipelineCreateInfo, 0, sizeof(VkGraphicsPipelineCreateInfo)); 156 pipelineCreateInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; 157 pipelineCreateInfo.pNext = nullptr; 158 pipelineCreateInfo.flags = 0; 159 pipelineCreateInfo.stageCount = 2; 160 pipelineCreateInfo.pStages = shaderStageInfo; 161 pipelineCreateInfo.pVertexInputState = &vertexInputInfo; 162 pipelineCreateInfo.pInputAssemblyState = &inputAssemblyInfo; 163 pipelineCreateInfo.pTessellationState = nullptr; 164 pipelineCreateInfo.pViewportState = &viewportInfo; 165 pipelineCreateInfo.pRasterizationState = &rasterInfo; 166 pipelineCreateInfo.pMultisampleState = &multisampleInfo; 167 pipelineCreateInfo.pDepthStencilState = &stencilInfo; 168 pipelineCreateInfo.pColorBlendState = &colorBlendInfo; 169 pipelineCreateInfo.pDynamicState = &dynamicInfo; 170 pipelineCreateInfo.layout = pipelineLayout; 171 pipelineCreateInfo.renderPass = renderPass.vkRenderPass(); 172 pipelineCreateInfo.subpass = 0; 173 pipelineCreateInfo.basePipelineHandle = VK_NULL_HANDLE; 174 pipelineCreateInfo.basePipelineIndex = -1; 175 176 VkPipeline vkPipeline; 177 VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateGraphicsPipelines(gpu->device(), 178 cache, 1, 179 &pipelineCreateInfo, 180 nullptr, &vkPipeline)); 181 if (err) { 182 SkDebugf("Failed to create copy pipeline. Error: %d\n", err); 183 return nullptr; 184 } 185 186 return new GrVkCopyPipeline(vkPipeline, &renderPass); 187 } 188 189 bool GrVkCopyPipeline::isCompatible(const GrVkRenderPass& rp) const { 190 return rp.isCompatible(*fRenderPass); 191 } 192
