Greg Daniel | 48cf268 | 2016-02-22 09:11:32 -0500 | [diff] [blame^] | 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 "GrVkPipeline.h" |
| 9 | |
| 10 | #include "GrGeometryProcessor.h" |
| 11 | #include "GrPipeline.h" |
| 12 | |
| 13 | #include "GrVkGpu.h" |
| 14 | #include "GrVkProgramDesc.h" |
| 15 | #include "GrVkRenderTarget.h" |
| 16 | #include "GrVkUtil.h" |
| 17 | |
| 18 | static inline const VkFormat& attrib_type_to_vkformat(GrVertexAttribType type) { |
| 19 | SkASSERT(type >= 0 && type < kGrVertexAttribTypeCount); |
| 20 | static const VkFormat kFormats[kGrVertexAttribTypeCount] = { |
| 21 | VK_FORMAT_R32_SFLOAT, // kFloat_GrVertexAttribType |
| 22 | VK_FORMAT_R32G32_SFLOAT, // kVec2f_GrVertexAttribType |
| 23 | VK_FORMAT_R32G32B32_SFLOAT, // kVec3f_GrVertexAttribType |
| 24 | VK_FORMAT_R32G32B32A32_SFLOAT, // kVec4f_GrVertexAttribType |
| 25 | VK_FORMAT_R8_UNORM, // kUByte_GrVertexAttribType |
| 26 | VK_FORMAT_R8G8B8A8_UNORM, // kVec4ub_GrVertexAttribType |
| 27 | VK_FORMAT_R16G16_SSCALED, // kVec2s_GrVertexAttribType |
| 28 | }; |
| 29 | GR_STATIC_ASSERT(0 == kFloat_GrVertexAttribType); |
| 30 | GR_STATIC_ASSERT(1 == kVec2f_GrVertexAttribType); |
| 31 | GR_STATIC_ASSERT(2 == kVec3f_GrVertexAttribType); |
| 32 | GR_STATIC_ASSERT(3 == kVec4f_GrVertexAttribType); |
| 33 | GR_STATIC_ASSERT(4 == kUByte_GrVertexAttribType); |
| 34 | GR_STATIC_ASSERT(5 == kVec4ub_GrVertexAttribType); |
| 35 | GR_STATIC_ASSERT(6 == kVec2s_GrVertexAttribType); |
| 36 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(kFormats) == kGrVertexAttribTypeCount); |
| 37 | return kFormats[type]; |
| 38 | } |
| 39 | |
| 40 | static void setup_vertex_input_state(const GrPrimitiveProcessor& primProc, |
| 41 | VkPipelineVertexInputStateCreateInfo* vertexInputInfo, |
| 42 | VkVertexInputBindingDescription* bindingDesc, |
| 43 | int maxBindingDescCount, |
| 44 | VkVertexInputAttributeDescription* attributeDesc, |
| 45 | int maxAttributeDescCount) { |
| 46 | // for now we have only one vertex buffer and one binding |
| 47 | memset(bindingDesc, 0, sizeof(VkVertexInputBindingDescription)); |
| 48 | bindingDesc->binding = 0; |
| 49 | bindingDesc->stride = (uint32_t)primProc.getVertexStride(); |
| 50 | bindingDesc->inputRate = VK_VERTEX_INPUT_RATE_VERTEX; |
| 51 | |
| 52 | // setup attribute descriptions |
| 53 | int vaCount = primProc.numAttribs(); |
| 54 | SkASSERT(vaCount < maxAttributeDescCount); |
| 55 | if (vaCount > 0) { |
| 56 | size_t offset = 0; |
| 57 | for (int attribIndex = 0; attribIndex < vaCount; attribIndex++) { |
| 58 | const GrGeometryProcessor::Attribute& attrib = primProc.getAttrib(attribIndex); |
| 59 | GrVertexAttribType attribType = attrib.fType; |
| 60 | |
| 61 | VkVertexInputAttributeDescription& vkAttrib = attributeDesc[attribIndex]; |
| 62 | vkAttrib.location = attribIndex; // for now assume location = attribIndex |
| 63 | vkAttrib.binding = 0; // for now only one vertex buffer & binding |
| 64 | vkAttrib.format = attrib_type_to_vkformat(attribType); |
| 65 | vkAttrib.offset = static_cast<uint32_t>(offset); |
| 66 | offset += attrib.fOffset; |
| 67 | } |
| 68 | } |
| 69 | |
| 70 | memset(vertexInputInfo, 0, sizeof(VkPipelineVertexInputStateCreateInfo)); |
| 71 | vertexInputInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO; |
| 72 | vertexInputInfo->pNext = nullptr; |
| 73 | vertexInputInfo->flags = 0; |
| 74 | vertexInputInfo->vertexBindingDescriptionCount = 1; |
| 75 | vertexInputInfo->pVertexBindingDescriptions = bindingDesc; |
| 76 | vertexInputInfo->vertexAttributeDescriptionCount = vaCount; |
| 77 | vertexInputInfo->pVertexAttributeDescriptions = attributeDesc; |
| 78 | } |
| 79 | |
| 80 | |
| 81 | static void setup_input_assembly_state(GrPrimitiveType primitiveType, |
| 82 | VkPipelineInputAssemblyStateCreateInfo* inputAssemblyInfo) { |
| 83 | static const VkPrimitiveTopology gPrimitiveType2VkTopology[] = { |
| 84 | VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST, |
| 85 | VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP, |
| 86 | VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN, |
| 87 | VK_PRIMITIVE_TOPOLOGY_POINT_LIST, |
| 88 | VK_PRIMITIVE_TOPOLOGY_LINE_LIST, |
| 89 | VK_PRIMITIVE_TOPOLOGY_LINE_STRIP |
| 90 | }; |
| 91 | |
| 92 | memset(inputAssemblyInfo, 0, sizeof(VkPipelineInputAssemblyStateCreateInfo)); |
| 93 | inputAssemblyInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_INPUT_ASSEMBLY_STATE_CREATE_INFO; |
| 94 | inputAssemblyInfo->pNext = nullptr; |
| 95 | inputAssemblyInfo->flags = 0; |
| 96 | inputAssemblyInfo->primitiveRestartEnable = false; |
| 97 | inputAssemblyInfo->topology = gPrimitiveType2VkTopology[primitiveType]; |
| 98 | } |
| 99 | |
| 100 | |
| 101 | VkStencilOp stencil_op_to_vk_stencil_op(GrStencilOp op) { |
| 102 | static const VkStencilOp gTable[] = { |
| 103 | VK_STENCIL_OP_KEEP, // kKeep_StencilOp |
| 104 | VK_STENCIL_OP_REPLACE, // kReplace_StencilOp |
| 105 | VK_STENCIL_OP_INCREMENT_AND_WRAP, // kIncWrap_StencilOp |
| 106 | VK_STENCIL_OP_INCREMENT_AND_CLAMP, // kIncClamp_StencilOp |
| 107 | VK_STENCIL_OP_DECREMENT_AND_WRAP, // kDecWrap_StencilOp |
| 108 | VK_STENCIL_OP_DECREMENT_AND_CLAMP, // kDecClamp_StencilOp |
| 109 | VK_STENCIL_OP_ZERO, // kZero_StencilOp |
| 110 | VK_STENCIL_OP_INVERT, // kInvert_StencilOp |
| 111 | }; |
| 112 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kStencilOpCount); |
| 113 | GR_STATIC_ASSERT(0 == kKeep_StencilOp); |
| 114 | GR_STATIC_ASSERT(1 == kReplace_StencilOp); |
| 115 | GR_STATIC_ASSERT(2 == kIncWrap_StencilOp); |
| 116 | GR_STATIC_ASSERT(3 == kIncClamp_StencilOp); |
| 117 | GR_STATIC_ASSERT(4 == kDecWrap_StencilOp); |
| 118 | GR_STATIC_ASSERT(5 == kDecClamp_StencilOp); |
| 119 | GR_STATIC_ASSERT(6 == kZero_StencilOp); |
| 120 | GR_STATIC_ASSERT(7 == kInvert_StencilOp); |
| 121 | SkASSERT((unsigned)op < kStencilOpCount); |
| 122 | return gTable[op]; |
| 123 | } |
| 124 | |
| 125 | VkCompareOp stencil_func_to_vk_compare_op(GrStencilFunc basicFunc) { |
| 126 | static const VkCompareOp gTable[] = { |
| 127 | VK_COMPARE_OP_ALWAYS, // kAlways_StencilFunc |
| 128 | VK_COMPARE_OP_NEVER, // kNever_StencilFunc |
| 129 | VK_COMPARE_OP_GREATER, // kGreater_StencilFunc |
| 130 | VK_COMPARE_OP_GREATER_OR_EQUAL, // kGEqual_StencilFunc |
| 131 | VK_COMPARE_OP_LESS, // kLess_StencilFunc |
| 132 | VK_COMPARE_OP_LESS_OR_EQUAL, // kLEqual_StencilFunc, |
| 133 | VK_COMPARE_OP_EQUAL, // kEqual_StencilFunc, |
| 134 | VK_COMPARE_OP_NOT_EQUAL, // kNotEqual_StencilFunc, |
| 135 | }; |
| 136 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kBasicStencilFuncCount); |
| 137 | GR_STATIC_ASSERT(0 == kAlways_StencilFunc); |
| 138 | GR_STATIC_ASSERT(1 == kNever_StencilFunc); |
| 139 | GR_STATIC_ASSERT(2 == kGreater_StencilFunc); |
| 140 | GR_STATIC_ASSERT(3 == kGEqual_StencilFunc); |
| 141 | GR_STATIC_ASSERT(4 == kLess_StencilFunc); |
| 142 | GR_STATIC_ASSERT(5 == kLEqual_StencilFunc); |
| 143 | GR_STATIC_ASSERT(6 == kEqual_StencilFunc); |
| 144 | GR_STATIC_ASSERT(7 == kNotEqual_StencilFunc); |
| 145 | SkASSERT((unsigned)basicFunc < kBasicStencilFuncCount); |
| 146 | |
| 147 | return gTable[basicFunc]; |
| 148 | } |
| 149 | |
| 150 | void setup_depth_stencil_state(const GrVkGpu* gpu, |
| 151 | const GrStencilSettings& stencilSettings, |
| 152 | VkPipelineDepthStencilStateCreateInfo* stencilInfo) { |
| 153 | memset(stencilInfo, 0, sizeof(VkPipelineDepthStencilStateCreateInfo)); |
| 154 | stencilInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_DEPTH_STENCIL_STATE_CREATE_INFO; |
| 155 | stencilInfo->pNext = nullptr; |
| 156 | stencilInfo->flags = 0; |
| 157 | // set depth testing defaults |
| 158 | stencilInfo->depthTestEnable = VK_FALSE; |
| 159 | stencilInfo->depthWriteEnable = VK_FALSE; |
| 160 | stencilInfo->depthCompareOp = VK_COMPARE_OP_ALWAYS; |
| 161 | stencilInfo->depthBoundsTestEnable = VK_FALSE; |
| 162 | stencilInfo->stencilTestEnable = !stencilSettings.isDisabled(); |
| 163 | if (!stencilSettings.isDisabled()) { |
| 164 | // Set front face |
| 165 | GrStencilSettings::Face face = GrStencilSettings::kFront_Face; |
| 166 | stencilInfo->front.failOp = stencil_op_to_vk_stencil_op(stencilSettings.failOp(face)); |
| 167 | stencilInfo->front.passOp = stencil_op_to_vk_stencil_op(stencilSettings.passOp(face)); |
| 168 | stencilInfo->front.depthFailOp = stencilInfo->front.failOp; |
| 169 | stencilInfo->front.compareOp = stencil_func_to_vk_compare_op(stencilSettings.func(face)); |
| 170 | stencilInfo->front.compareMask = stencilSettings.funcMask(face); |
| 171 | stencilInfo->front.writeMask = 0; |
| 172 | stencilInfo->front.reference = 0; |
| 173 | |
| 174 | // Set back face |
| 175 | face = GrStencilSettings::kBack_Face; |
| 176 | stencilInfo->back.failOp = stencil_op_to_vk_stencil_op(stencilSettings.failOp(face)); |
| 177 | stencilInfo->back.passOp = stencil_op_to_vk_stencil_op(stencilSettings.passOp(face)); |
| 178 | stencilInfo->back.depthFailOp = stencilInfo->front.failOp; |
| 179 | stencilInfo->back.compareOp = stencil_func_to_vk_compare_op(stencilSettings.func(face)); |
| 180 | stencilInfo->back.compareMask = stencilSettings.funcMask(face); |
| 181 | stencilInfo->back.writeMask = 0; |
| 182 | stencilInfo->back.reference = 0; |
| 183 | } |
| 184 | stencilInfo->minDepthBounds = 0.0f; |
| 185 | stencilInfo->maxDepthBounds = 1.0f; |
| 186 | } |
| 187 | |
| 188 | void setup_viewport_scissor_state(const GrVkGpu* gpu, |
| 189 | const GrPipeline& pipeline, |
| 190 | const GrVkRenderTarget* vkRT, |
| 191 | VkPipelineViewportStateCreateInfo* viewportInfo, |
| 192 | VkViewport* viewport, |
| 193 | VkRect2D* scissor) { |
| 194 | memset(viewportInfo, 0, sizeof(VkPipelineViewportStateCreateInfo)); |
| 195 | viewportInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_VIEWPORT_STATE_CREATE_INFO; |
| 196 | viewportInfo->pNext = nullptr; |
| 197 | viewportInfo->flags = 0; |
| 198 | |
| 199 | viewport->x = 0.0f; |
| 200 | viewport->y = 0.0f; |
| 201 | viewport->width = SkIntToScalar(vkRT->width()); |
| 202 | viewport->height = SkIntToScalar(vkRT->height()); |
| 203 | viewport->minDepth = 0.0f; |
| 204 | viewport->maxDepth = 1.0f; |
| 205 | viewportInfo->viewportCount = 1; |
| 206 | viewportInfo->pViewports = viewport; |
| 207 | |
| 208 | const GrScissorState& scissorState = pipeline.getScissorState(); |
| 209 | if (scissorState.enabled() && |
| 210 | !scissorState.rect().contains(0, 0, vkRT->width(), vkRT->height())) { |
| 211 | // This all assumes the scissorState has previously been clipped to the device space render |
| 212 | // target. |
| 213 | scissor->offset.x = scissorState.rect().fLeft; |
| 214 | scissor->extent.width = scissorState.rect().width(); |
| 215 | if (kTopLeft_GrSurfaceOrigin == vkRT->origin()) { |
| 216 | scissor->offset.y = scissorState.rect().fTop; |
| 217 | } else { |
| 218 | SkASSERT(kBottomLeft_GrSurfaceOrigin == vkRT->origin()); |
| 219 | scissor->offset.y = vkRT->height() - scissorState.rect().fBottom; |
| 220 | } |
| 221 | scissor->extent.height = scissorState.rect().height(); |
| 222 | |
| 223 | viewportInfo->scissorCount = 1; |
| 224 | viewportInfo->pScissors = scissor; |
| 225 | SkASSERT(scissor->offset.x >= 0); |
| 226 | SkASSERT(scissor->offset.x + scissor->extent.width <= (uint32_t)vkRT->width()); |
| 227 | SkASSERT(scissor->offset.y >= 0); |
| 228 | SkASSERT(scissor->offset.y + scissor->extent.height <= (uint32_t)vkRT->height()); |
| 229 | } else { |
| 230 | scissor->extent.width = vkRT->width(); |
| 231 | scissor->extent.height = vkRT->height(); |
| 232 | scissor->offset.x = 0; |
| 233 | scissor->offset.y = 0; |
| 234 | viewportInfo->scissorCount = 1; |
| 235 | viewportInfo->pScissors = scissor; |
| 236 | } |
| 237 | SkASSERT(viewportInfo->viewportCount == viewportInfo->scissorCount); |
| 238 | } |
| 239 | |
| 240 | void setup_multisample_state(const GrPipeline& pipeline, |
| 241 | VkPipelineMultisampleStateCreateInfo* multisampleInfo) { |
| 242 | memset(multisampleInfo, 0, sizeof(VkPipelineMultisampleStateCreateInfo)); |
| 243 | multisampleInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_MULTISAMPLE_STATE_CREATE_INFO; |
| 244 | multisampleInfo->pNext = nullptr; |
| 245 | multisampleInfo->flags = 0; |
| 246 | int numSamples = pipeline.getRenderTarget()->numColorSamples(); |
| 247 | SkAssertResult(GrSampleCountToVkSampleCount(numSamples, |
| 248 | &multisampleInfo->rasterizationSamples)); |
| 249 | multisampleInfo->sampleShadingEnable = VK_FALSE; |
| 250 | multisampleInfo->minSampleShading = 0; |
| 251 | multisampleInfo->pSampleMask = nullptr; |
| 252 | multisampleInfo->alphaToCoverageEnable = VK_FALSE; |
| 253 | multisampleInfo->alphaToOneEnable = VK_FALSE; |
| 254 | } |
| 255 | |
| 256 | static VkBlendFactor blend_coeff_to_vk_blend(GrBlendCoeff coeff) { |
| 257 | static const VkBlendFactor gTable[] = { |
| 258 | VK_BLEND_FACTOR_ZERO, // kZero_GrBlendCoeff |
| 259 | VK_BLEND_FACTOR_ONE, // kOne_GrBlendCoeff |
| 260 | VK_BLEND_FACTOR_SRC_COLOR, // kSC_GrBlendCoeff |
| 261 | VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR, // kISC_GrBlendCoeff |
| 262 | VK_BLEND_FACTOR_DST_COLOR, // kDC_GrBlendCoeff |
| 263 | VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR, // kIDC_GrBlendCoeff |
| 264 | VK_BLEND_FACTOR_SRC_ALPHA, // kSA_GrBlendCoeff |
| 265 | VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA, // kISA_GrBlendCoeff |
| 266 | VK_BLEND_FACTOR_DST_ALPHA, // kDA_GrBlendCoeff |
| 267 | VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA, // kIDA_GrBlendCoeff |
| 268 | VK_BLEND_FACTOR_CONSTANT_COLOR, // kConstC_GrBlendCoeff |
| 269 | VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR, // kIConstC_GrBlendCoeff |
| 270 | VK_BLEND_FACTOR_CONSTANT_ALPHA, // kConstA_GrBlendCoeff |
| 271 | VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA, // kIConstA_GrBlendCoeff |
| 272 | VK_BLEND_FACTOR_SRC1_COLOR, // kS2C_GrBlendCoeff |
| 273 | VK_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR, // kIS2C_GrBlendCoeff |
| 274 | VK_BLEND_FACTOR_SRC1_ALPHA, // kS2A_GrBlendCoeff |
| 275 | VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA, // kIS2A_GrBlendCoeff |
| 276 | |
| 277 | }; |
| 278 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kGrBlendCoeffCnt); |
| 279 | GR_STATIC_ASSERT(0 == kZero_GrBlendCoeff); |
| 280 | GR_STATIC_ASSERT(1 == kOne_GrBlendCoeff); |
| 281 | GR_STATIC_ASSERT(2 == kSC_GrBlendCoeff); |
| 282 | GR_STATIC_ASSERT(3 == kISC_GrBlendCoeff); |
| 283 | GR_STATIC_ASSERT(4 == kDC_GrBlendCoeff); |
| 284 | GR_STATIC_ASSERT(5 == kIDC_GrBlendCoeff); |
| 285 | GR_STATIC_ASSERT(6 == kSA_GrBlendCoeff); |
| 286 | GR_STATIC_ASSERT(7 == kISA_GrBlendCoeff); |
| 287 | GR_STATIC_ASSERT(8 == kDA_GrBlendCoeff); |
| 288 | GR_STATIC_ASSERT(9 == kIDA_GrBlendCoeff); |
| 289 | GR_STATIC_ASSERT(10 == kConstC_GrBlendCoeff); |
| 290 | GR_STATIC_ASSERT(11 == kIConstC_GrBlendCoeff); |
| 291 | GR_STATIC_ASSERT(12 == kConstA_GrBlendCoeff); |
| 292 | GR_STATIC_ASSERT(13 == kIConstA_GrBlendCoeff); |
| 293 | GR_STATIC_ASSERT(14 == kS2C_GrBlendCoeff); |
| 294 | GR_STATIC_ASSERT(15 == kIS2C_GrBlendCoeff); |
| 295 | GR_STATIC_ASSERT(16 == kS2A_GrBlendCoeff); |
| 296 | GR_STATIC_ASSERT(17 == kIS2A_GrBlendCoeff); |
| 297 | |
| 298 | SkASSERT((unsigned)coeff < kGrBlendCoeffCnt); |
| 299 | return gTable[coeff]; |
| 300 | } |
| 301 | |
| 302 | |
| 303 | static VkBlendOp blend_equation_to_vk_blend_op(GrBlendEquation equation) { |
| 304 | static const VkBlendOp gTable[] = { |
| 305 | VK_BLEND_OP_ADD, // kAdd_GrBlendEquation |
| 306 | VK_BLEND_OP_SUBTRACT, // kSubtract_GrBlendEquation |
| 307 | VK_BLEND_OP_REVERSE_SUBTRACT, // kReverseSubtract_GrBlendEquation |
| 308 | }; |
| 309 | GR_STATIC_ASSERT(SK_ARRAY_COUNT(gTable) == kFirstAdvancedGrBlendEquation); |
| 310 | GR_STATIC_ASSERT(0 == kAdd_GrBlendEquation); |
| 311 | GR_STATIC_ASSERT(1 == kSubtract_GrBlendEquation); |
| 312 | GR_STATIC_ASSERT(2 == kReverseSubtract_GrBlendEquation); |
| 313 | |
| 314 | SkASSERT((unsigned)equation < kGrBlendCoeffCnt); |
| 315 | return gTable[equation]; |
| 316 | } |
| 317 | |
| 318 | bool blend_coeff_refs_constant(GrBlendCoeff coeff) { |
| 319 | static const bool gCoeffReferencesBlendConst[] = { |
| 320 | false, |
| 321 | false, |
| 322 | false, |
| 323 | false, |
| 324 | false, |
| 325 | false, |
| 326 | false, |
| 327 | false, |
| 328 | false, |
| 329 | false, |
| 330 | true, |
| 331 | true, |
| 332 | true, |
| 333 | true, |
| 334 | |
| 335 | // extended blend coeffs |
| 336 | false, |
| 337 | false, |
| 338 | false, |
| 339 | false, |
| 340 | }; |
| 341 | return gCoeffReferencesBlendConst[coeff]; |
| 342 | GR_STATIC_ASSERT(kGrBlendCoeffCnt == SK_ARRAY_COUNT(gCoeffReferencesBlendConst)); |
| 343 | // Individual enum asserts already made in blend_coeff_to_vk_blend |
| 344 | } |
| 345 | |
| 346 | void setup_color_blend_state(const GrVkGpu* gpu, |
| 347 | const GrPipeline& pipeline, |
| 348 | VkPipelineColorBlendStateCreateInfo* colorBlendInfo, |
| 349 | VkPipelineColorBlendAttachmentState* attachmentState) { |
| 350 | GrXferProcessor::BlendInfo blendInfo; |
| 351 | pipeline.getXferProcessor().getBlendInfo(&blendInfo); |
| 352 | |
| 353 | GrBlendEquation equation = blendInfo.fEquation; |
| 354 | GrBlendCoeff srcCoeff = blendInfo.fSrcBlend; |
| 355 | GrBlendCoeff dstCoeff = blendInfo.fDstBlend; |
| 356 | bool blendOff = (kAdd_GrBlendEquation == equation || kSubtract_GrBlendEquation == equation) && |
| 357 | kOne_GrBlendCoeff == srcCoeff && kZero_GrBlendCoeff == dstCoeff; |
| 358 | |
| 359 | memset(attachmentState, 0, sizeof(VkPipelineColorBlendAttachmentState)); |
| 360 | attachmentState->blendEnable = !blendOff; |
| 361 | if (!blendOff) { |
| 362 | attachmentState->srcColorBlendFactor = blend_coeff_to_vk_blend(srcCoeff); |
| 363 | attachmentState->dstColorBlendFactor = blend_coeff_to_vk_blend(dstCoeff); |
| 364 | attachmentState->colorBlendOp = blend_equation_to_vk_blend_op(equation); |
| 365 | attachmentState->srcAlphaBlendFactor = blend_coeff_to_vk_blend(srcCoeff); |
| 366 | attachmentState->dstAlphaBlendFactor = blend_coeff_to_vk_blend(dstCoeff); |
| 367 | attachmentState->alphaBlendOp = blend_equation_to_vk_blend_op(equation); |
| 368 | } |
| 369 | attachmentState->colorWriteMask = VK_COLOR_COMPONENT_R_BIT | VK_COLOR_COMPONENT_G_BIT | |
| 370 | VK_COLOR_COMPONENT_B_BIT | VK_COLOR_COMPONENT_A_BIT; |
| 371 | |
| 372 | memset(colorBlendInfo, 0, sizeof(VkPipelineColorBlendStateCreateInfo)); |
| 373 | colorBlendInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_COLOR_BLEND_STATE_CREATE_INFO; |
| 374 | colorBlendInfo->pNext = nullptr; |
| 375 | colorBlendInfo->flags = 0; |
| 376 | colorBlendInfo->logicOpEnable = VK_FALSE; |
| 377 | colorBlendInfo->attachmentCount = 1; |
| 378 | colorBlendInfo->pAttachments = attachmentState; |
| 379 | if (blend_coeff_refs_constant(srcCoeff) || blend_coeff_refs_constant(dstCoeff)) { |
| 380 | GrColorToRGBAFloat(blendInfo.fBlendConstant, colorBlendInfo->blendConstants); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | VkCullModeFlags draw_face_to_vk_cull_mode(GrPipelineBuilder::DrawFace drawFace) { |
| 385 | // Assumes that we've set the front face to be ccw |
| 386 | static const VkCullModeFlags gTable[] = { |
| 387 | VK_CULL_MODE_NONE, // kBoth_DrawFace |
| 388 | VK_CULL_MODE_BACK_BIT, // kCCW_DrawFace, cull back face |
| 389 | VK_CULL_MODE_FRONT_BIT, // kCW_DrawFace, cull front face |
| 390 | }; |
| 391 | GR_STATIC_ASSERT(0 == GrPipelineBuilder::kBoth_DrawFace); |
| 392 | GR_STATIC_ASSERT(1 == GrPipelineBuilder::kCCW_DrawFace); |
| 393 | GR_STATIC_ASSERT(2 == GrPipelineBuilder::kCW_DrawFace); |
| 394 | SkASSERT((unsigned)drawFace <= 2); |
| 395 | |
| 396 | return gTable[drawFace]; |
| 397 | } |
| 398 | |
| 399 | void setup_raster_state(const GrVkGpu* gpu, |
| 400 | const GrPipeline& pipeline, |
| 401 | VkPipelineRasterizationStateCreateInfo* rasterInfo) { |
| 402 | memset(rasterInfo, 0, sizeof(VkPipelineRasterizationStateCreateInfo)); |
| 403 | rasterInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_RASTERIZATION_STATE_CREATE_INFO; |
| 404 | rasterInfo->pNext = nullptr; |
| 405 | rasterInfo->flags = 0; |
| 406 | rasterInfo->depthClampEnable = VK_FALSE; |
| 407 | rasterInfo->rasterizerDiscardEnable = VK_FALSE; |
| 408 | rasterInfo->polygonMode = VK_POLYGON_MODE_FILL; |
| 409 | rasterInfo->cullMode = draw_face_to_vk_cull_mode(pipeline.getDrawFace()); |
| 410 | rasterInfo->frontFace = VK_FRONT_FACE_COUNTER_CLOCKWISE; |
| 411 | rasterInfo->depthBiasEnable = VK_FALSE; |
| 412 | rasterInfo->depthBiasConstantFactor = 0.0f; |
| 413 | rasterInfo->depthBiasClamp = 0.0f; |
| 414 | rasterInfo->depthBiasSlopeFactor = 0.0f; |
| 415 | rasterInfo->lineWidth = 1.0f; |
| 416 | } |
| 417 | |
| 418 | void setup_dynamic_state(const GrVkGpu* gpu, |
| 419 | const GrPipeline& pipeline, |
| 420 | VkPipelineDynamicStateCreateInfo* dynamicInfo) { |
| 421 | memset(dynamicInfo, 0, sizeof(VkPipelineDynamicStateCreateInfo)); |
| 422 | dynamicInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_DYNAMIC_STATE_CREATE_INFO; |
| 423 | // TODO: mask out any state we might want to set dynamically |
| 424 | dynamicInfo->dynamicStateCount = 0; |
| 425 | } |
| 426 | |
| 427 | GrVkPipeline* GrVkPipeline::Create(GrVkGpu* gpu, const GrPipeline& pipeline, |
| 428 | const GrPrimitiveProcessor& primProc, |
| 429 | VkPipelineShaderStageCreateInfo* shaderStageInfo, |
| 430 | int shaderStageCount, |
| 431 | GrPrimitiveType primitiveType, |
| 432 | const GrVkRenderPass& renderPass, |
| 433 | VkPipelineLayout layout) { |
| 434 | VkPipelineVertexInputStateCreateInfo vertexInputInfo; |
| 435 | VkVertexInputBindingDescription bindingDesc; |
| 436 | // TODO: allocate this based on VkPhysicalDeviceLimits::maxVertexInputAttributes |
| 437 | static const int kMaxVertexAttributes = 16; |
| 438 | static VkVertexInputAttributeDescription attributeDesc[kMaxVertexAttributes]; |
| 439 | setup_vertex_input_state(primProc, &vertexInputInfo, &bindingDesc, 1, |
| 440 | attributeDesc, kMaxVertexAttributes); |
| 441 | |
| 442 | VkPipelineInputAssemblyStateCreateInfo inputAssemblyInfo; |
| 443 | setup_input_assembly_state(primitiveType, &inputAssemblyInfo); |
| 444 | |
| 445 | VkPipelineDepthStencilStateCreateInfo depthStencilInfo; |
| 446 | setup_depth_stencil_state(gpu, pipeline.getStencil(), &depthStencilInfo); |
| 447 | |
| 448 | GrRenderTarget* rt = pipeline.getRenderTarget(); |
| 449 | GrVkRenderTarget* vkRT = static_cast<GrVkRenderTarget*>(rt); |
| 450 | VkPipelineViewportStateCreateInfo viewportInfo; |
| 451 | VkViewport viewport; |
| 452 | VkRect2D scissor; |
| 453 | setup_viewport_scissor_state(gpu, pipeline, vkRT, &viewportInfo, &viewport, &scissor); |
| 454 | |
| 455 | VkPipelineMultisampleStateCreateInfo multisampleInfo; |
| 456 | setup_multisample_state(pipeline, &multisampleInfo); |
| 457 | |
| 458 | // We will only have one color attachment per pipeline. |
| 459 | VkPipelineColorBlendAttachmentState attachmentStates[1]; |
| 460 | VkPipelineColorBlendStateCreateInfo colorBlendInfo; |
| 461 | setup_color_blend_state(gpu, pipeline, &colorBlendInfo, attachmentStates); |
| 462 | |
| 463 | VkPipelineRasterizationStateCreateInfo rasterInfo; |
| 464 | setup_raster_state(gpu, pipeline, &rasterInfo); |
| 465 | |
| 466 | VkPipelineDynamicStateCreateInfo dynamicInfo; |
| 467 | setup_dynamic_state(gpu, pipeline, &dynamicInfo); |
| 468 | |
| 469 | VkGraphicsPipelineCreateInfo pipelineCreateInfo; |
| 470 | memset(&pipelineCreateInfo, 0, sizeof(VkGraphicsPipelineCreateInfo)); |
| 471 | pipelineCreateInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO; |
| 472 | pipelineCreateInfo.pNext = nullptr; |
| 473 | pipelineCreateInfo.flags = 0; |
| 474 | pipelineCreateInfo.stageCount = shaderStageCount; |
| 475 | pipelineCreateInfo.pStages = shaderStageInfo; |
| 476 | pipelineCreateInfo.pVertexInputState = &vertexInputInfo; |
| 477 | pipelineCreateInfo.pInputAssemblyState = &inputAssemblyInfo; |
| 478 | pipelineCreateInfo.pTessellationState = nullptr; |
| 479 | pipelineCreateInfo.pViewportState = &viewportInfo; |
| 480 | pipelineCreateInfo.pRasterizationState = &rasterInfo; |
| 481 | pipelineCreateInfo.pMultisampleState = &multisampleInfo; |
| 482 | pipelineCreateInfo.pDepthStencilState = &depthStencilInfo; |
| 483 | pipelineCreateInfo.pColorBlendState = &colorBlendInfo; |
| 484 | pipelineCreateInfo.pDynamicState = &dynamicInfo; |
| 485 | pipelineCreateInfo.layout = layout; |
| 486 | pipelineCreateInfo.renderPass = renderPass.vkRenderPass(); |
| 487 | pipelineCreateInfo.subpass = 0; |
| 488 | pipelineCreateInfo.basePipelineHandle = VK_NULL_HANDLE; |
| 489 | pipelineCreateInfo.basePipelineIndex = -1; |
| 490 | |
| 491 | VkPipeline vkPipeline; |
| 492 | VkResult err = GR_VK_CALL(gpu->vkInterface(), CreateGraphicsPipelines(gpu->device(), |
| 493 | nullptr, 1, |
| 494 | &pipelineCreateInfo, |
| 495 | nullptr, &vkPipeline)); |
| 496 | if (err) { |
| 497 | return nullptr; |
| 498 | } |
| 499 | |
| 500 | return new GrVkPipeline(vkPipeline); |
| 501 | } |
| 502 | |
| 503 | void GrVkPipeline::freeGPUData(const GrVkGpu* gpu) const { |
| 504 | GR_VK_CALL(gpu->vkInterface(), DestroyPipeline(gpu->device(), fPipeline, nullptr)); |
| 505 | } |
| 506 | |
| 507 | |