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: PixelProgram(const PixelProcessor::State & state,vk::PipelineLayout const * pipelineLayout,SpirvShader const * spirvShader,const vk::DescriptorSet::Bindings & descriptorSets)25 PixelProgram( 26 const PixelProcessor::State &state, 27 vk::PipelineLayout const *pipelineLayout, 28 SpirvShader const *spirvShader, 29 const vk::DescriptorSet::Bindings &descriptorSets) 30 : PixelRoutine(state, pipelineLayout, spirvShader, descriptorSets) 31 { 32 } 33 ~PixelProgram()34 virtual ~PixelProgram() {} 35 36 protected: 37 virtual void setBuiltins(Int &x, Int &y, Float4 (&z)[4], Float4 &w, Int cMask[4], int sampleId); 38 virtual void applyShader(Int cMask[4], Int sMask[4], Int zMask[4], int sampleId); 39 virtual Bool alphaTest(Int cMask[4], int sampleId); 40 virtual void rasterOperation(Pointer<Byte> cBuffer[4], Int &x, Int sMask[4], Int zMask[4], Int cMask[4], int sampleId); 41 42 private: 43 // Color outputs 44 Vector4f c[RENDERTARGETS]; 45 46 // Raster operations 47 void clampColor(Vector4f oC[RENDERTARGETS]); 48 49 Int4 maskAny(Int cMask[4]) const; 50 Int4 maskAny(Int cMask[4], Int sMask[4], Int zMask[4]) const; 51 Int4 maskAny(Int cMask, Int sMask, Int zMask) const; 52 }; 53 54 } // namespace sw 55 56 #endif 57