| // Copyright 2016 The SwiftShader Authors. All Rights Reserved. |
| // |
| // 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. |
| |
| #include "PixelProcessor.hpp" |
| |
| #include "Primitive.hpp" |
| #include "Pipeline/PixelProgram.hpp" |
| #include "Pipeline/Constants.hpp" |
| #include "Vulkan/VkDebug.hpp" |
| #include "Vulkan/VkImageView.hpp" |
| |
| #include <cstring> |
| |
| namespace sw |
| { |
| uint32_t PixelProcessor::States::computeHash() |
| { |
| uint32_t *state = reinterpret_cast<uint32_t*>(this); |
| uint32_t hash = 0; |
| |
| for(unsigned int i = 0; i < sizeof(States) / sizeof(uint32_t); i++) |
| { |
| hash ^= state[i]; |
| } |
| |
| return hash; |
| } |
| |
| bool PixelProcessor::State::operator==(const State &state) const |
| { |
| if(hash != state.hash) |
| { |
| return false; |
| } |
| |
| static_assert(is_memcmparable<State>::value, "Cannot memcmp State"); |
| return memcmp(static_cast<const States*>(this), static_cast<const States*>(&state), sizeof(States)) == 0; |
| } |
| |
| PixelProcessor::PixelProcessor() |
| { |
| routineCache = nullptr; |
| setRoutineCacheSize(1024); |
| } |
| |
| PixelProcessor::~PixelProcessor() |
| { |
| delete routineCache; |
| routineCache = nullptr; |
| } |
| |
| void PixelProcessor::setBlendConstant(const Color<float> &blendConstant) |
| { |
| // TODO(b/140935644): Compact into generic function, cheack if clamp is required |
| factor.blendConstant4W[0][0] = |
| factor.blendConstant4W[0][1] = |
| factor.blendConstant4W[0][2] = |
| factor.blendConstant4W[0][3] = static_cast<uint16_t>(iround(65535.0f * blendConstant.r)); |
| |
| factor.blendConstant4W[1][0] = |
| factor.blendConstant4W[1][1] = |
| factor.blendConstant4W[1][2] = |
| factor.blendConstant4W[1][3] = static_cast<uint16_t>(iround(65535.0f * blendConstant.g)); |
| |
| factor.blendConstant4W[2][0] = |
| factor.blendConstant4W[2][1] = |
| factor.blendConstant4W[2][2] = |
| factor.blendConstant4W[2][3] = static_cast<uint16_t>(iround(65535.0f * blendConstant.b)); |
| |
| factor.blendConstant4W[3][0] = |
| factor.blendConstant4W[3][1] = |
| factor.blendConstant4W[3][2] = |
| factor.blendConstant4W[3][3] = static_cast<uint16_t>(iround(65535.0f * blendConstant.a)); |
| |
| factor.invBlendConstant4W[0][0] = |
| factor.invBlendConstant4W[0][1] = |
| factor.invBlendConstant4W[0][2] = |
| factor.invBlendConstant4W[0][3] = 0xFFFFu - factor.blendConstant4W[0][0]; |
| |
| factor.invBlendConstant4W[1][0] = |
| factor.invBlendConstant4W[1][1] = |
| factor.invBlendConstant4W[1][2] = |
| factor.invBlendConstant4W[1][3] = 0xFFFFu - factor.blendConstant4W[1][0]; |
| |
| factor.invBlendConstant4W[2][0] = |
| factor.invBlendConstant4W[2][1] = |
| factor.invBlendConstant4W[2][2] = |
| factor.invBlendConstant4W[2][3] = 0xFFFFu - factor.blendConstant4W[2][0]; |
| |
| factor.invBlendConstant4W[3][0] = |
| factor.invBlendConstant4W[3][1] = |
| factor.invBlendConstant4W[3][2] = |
| factor.invBlendConstant4W[3][3] = 0xFFFFu - factor.blendConstant4W[3][0]; |
| |
| factor.blendConstant4F[0][0] = |
| factor.blendConstant4F[0][1] = |
| factor.blendConstant4F[0][2] = |
| factor.blendConstant4F[0][3] = blendConstant.r; |
| |
| factor.blendConstant4F[1][0] = |
| factor.blendConstant4F[1][1] = |
| factor.blendConstant4F[1][2] = |
| factor.blendConstant4F[1][3] = blendConstant.g; |
| |
| factor.blendConstant4F[2][0] = |
| factor.blendConstant4F[2][1] = |
| factor.blendConstant4F[2][2] = |
| factor.blendConstant4F[2][3] = blendConstant.b; |
| |
| factor.blendConstant4F[3][0] = |
| factor.blendConstant4F[3][1] = |
| factor.blendConstant4F[3][2] = |
| factor.blendConstant4F[3][3] = blendConstant.a; |
| |
| factor.invBlendConstant4F[0][0] = |
| factor.invBlendConstant4F[0][1] = |
| factor.invBlendConstant4F[0][2] = |
| factor.invBlendConstant4F[0][3] = 1 - blendConstant.r; |
| |
| factor.invBlendConstant4F[1][0] = |
| factor.invBlendConstant4F[1][1] = |
| factor.invBlendConstant4F[1][2] = |
| factor.invBlendConstant4F[1][3] = 1 - blendConstant.g; |
| |
| factor.invBlendConstant4F[2][0] = |
| factor.invBlendConstant4F[2][1] = |
| factor.invBlendConstant4F[2][2] = |
| factor.invBlendConstant4F[2][3] = 1 - blendConstant.b; |
| |
| factor.invBlendConstant4F[3][0] = |
| factor.invBlendConstant4F[3][1] = |
| factor.invBlendConstant4F[3][2] = |
| factor.invBlendConstant4F[3][3] = 1 - blendConstant.a; |
| } |
| |
| void PixelProcessor::setRoutineCacheSize(int cacheSize) |
| { |
| delete routineCache; |
| routineCache = new RoutineCache<State>(clamp(cacheSize, 1, 65536)); |
| } |
| |
| const PixelProcessor::State PixelProcessor::update(const Context* context) const |
| { |
| State state; |
| |
| if(context->pixelShader) |
| { |
| state.shaderID = context->pixelShader->getSerialID(); |
| } |
| else |
| { |
| state.shaderID = 0; |
| } |
| |
| state.alphaToCoverage = context->alphaToCoverage; |
| state.depthWriteEnable = context->depthWriteActive(); |
| |
| if(context->stencilActive()) |
| { |
| state.stencilActive = true; |
| state.frontStencil = context->frontStencil; |
| state.backStencil = context->backStencil; |
| } |
| |
| if(context->depthBufferActive()) |
| { |
| state.depthTestActive = true; |
| state.depthCompareMode = context->depthCompareMode; |
| state.quadLayoutDepthBuffer = context->depthBuffer->getFormat().hasQuadLayout(); |
| state.depthFormat = context->depthBuffer->getFormat(); |
| } |
| |
| state.occlusionEnabled = context->occlusionEnabled; |
| state.depthClamp = (context->depthBias != 0.0f) || (context->slopeDepthBias != 0.0f); |
| |
| for(int i = 0; i < RENDERTARGETS; i++) |
| { |
| state.colorWriteMask |= context->colorWriteActive(i) << (4 * i); |
| state.targetFormat[i] = context->renderTargetInternalFormat(i); |
| state.blendState[i] = context->getBlendState(i); |
| } |
| |
| state.multiSample = static_cast<unsigned int>(context->sampleCount); |
| state.multiSampleMask = context->multiSampleMask; |
| |
| if(state.multiSample > 1 && context->pixelShader) |
| { |
| state.centroid = context->pixelShader->getModes().NeedsCentroid; |
| } |
| |
| state.frontFace = context->frontFace; |
| |
| state.hash = state.computeHash(); |
| |
| return state; |
| } |
| |
| std::shared_ptr<Routine> PixelProcessor::routine(const State &state, |
| vk::PipelineLayout const *pipelineLayout, |
| SpirvShader const *pixelShader, |
| const vk::DescriptorSet::Bindings &descriptorSets) |
| { |
| auto routine = routineCache->query(state); |
| |
| if(!routine) |
| { |
| QuadRasterizer *generator = new PixelProgram(state, pipelineLayout, pixelShader, descriptorSets); |
| generator->generate(); |
| routine = (*generator)("PixelRoutine_%0.8X", state.shaderID); |
| delete generator; |
| |
| routineCache->add(state, routine); |
| } |
| |
| return routine; |
| } |
| } |