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// 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.
#ifndef sw_PixelProgram_hpp
#define sw_PixelProgram_hpp
#include "PixelRoutine.hpp"
namespace sw {
class PixelProgram : public PixelRoutine
{
public:
PixelProgram(
const PixelProcessor::State &state,
const vk::PipelineLayout *pipelineLayout,
const SpirvShader *spirvShader,
const vk::DescriptorSet::Bindings &descriptorSets);
virtual ~PixelProgram() {}
protected:
virtual void setBuiltins(Int &x, Int &y, Float4 (&z)[4], Float4 &w, Int cMask[4], const SampleSet &samples);
virtual void executeShader(Int cMask[4], Int sMask[4], Int zMask[4], const SampleSet &samples);
virtual Bool alphaTest(Int cMask[4], const SampleSet &samples);
virtual void rasterOperation(Pointer<Byte> cBuffer[4], Int &x, Int sMask[4], Int zMask[4], Int cMask[4], const SampleSet &samples);
private:
// Color outputs
Vector4f c[RENDERTARGETS];
// Raster operations
void clampColor(Vector4f oC[RENDERTARGETS]);
static Int4 maskAny(Int cMask[4], const SampleSet &samples);
static Int4 maskAny(Int cMask[4], Int sMask[4], Int zMask[4], const SampleSet &samples);
};
} // namespace sw
#endif