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
setup_multisample_state(int numSamples,VkPipelineMultisampleStateCreateInfo * multisampleInfo)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
Create(GrVkGpu * gpu,VkPipelineShaderStageCreateInfo * shaderStageInfo,VkPipelineLayout pipelineLayout,int numSamples,const GrVkRenderPass & renderPass,VkPipelineCache cache)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 return nullptr;
183 }
184
185 return new GrVkCopyPipeline(vkPipeline, &renderPass);
186 }
187
isCompatible(const GrVkRenderPass & rp) const188 bool GrVkCopyPipeline::isCompatible(const GrVkRenderPass& rp) const {
189 return rp.isCompatible(*fRenderPass);
190 }
191