1 // Copyright 2016 The SwiftShader Authors. All Rights Reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #ifndef sw_PixelProgram_hpp 16 #define sw_PixelProgram_hpp 17 18 #include "PixelRoutine.hpp" 19 20 namespace sw { 21 22 class PixelProgram : public PixelRoutine 23 { 24 public: 25 PixelProgram( 26 const PixelProcessor::State &state, 27 const vk::PipelineLayout *pipelineLayout, 28 const SpirvShader *spirvShader, 29 const vk::Attachments &attachments, 30 const vk::DescriptorSet::Bindings &descriptorSets); 31 ~PixelProgram()32 virtual ~PixelProgram() {} 33 34 protected: 35 virtual void setBuiltins(Int &x, Int &y, SIMD::Float (&z)[4], SIMD::Float &w, Int cMask[4], const SampleSet &samples); 36 virtual void executeShader(Int cMask[4], Int sMask[4], Int zMask[4], const SampleSet &samples); 37 virtual Bool alphaTest(Int cMask[4], const SampleSet &samples); 38 virtual void blendColor(Pointer<Byte> cBuffer[4], Int &x, Int sMask[4], Int zMask[4], Int cMask[4], const SampleSet &samples); 39 40 private: 41 // Color outputs 42 SIMD::Float4 c[MAX_COLOR_BUFFERS]; 43 44 // Raster operations 45 void clampColor(SIMD::Float4 color[MAX_COLOR_BUFFERS]); 46 47 static SIMD::Int maskAny(Int cMask[4], const SampleSet &samples); 48 static SIMD::Int maskAny(Int cMask[4], Int sMask[4], Int zMask[4], const SampleSet &samples); 49 }; 50 51 } // namespace sw 52 53 #endif 54