| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| /* |
| * This file was autogenerated from GrUnpremulInputFragmentProcessor.fp; do not modify. |
| */ |
| #include "GrUnpremulInputFragmentProcessor.h" |
| #if SK_SUPPORT_GPU |
| #include "glsl/GrGLSLFragmentProcessor.h" |
| #include "glsl/GrGLSLFragmentShaderBuilder.h" |
| #include "glsl/GrGLSLProgramBuilder.h" |
| #include "GrTexture.h" |
| #include "SkSLCPP.h" |
| #include "SkSLUtil.h" |
| class GrGLSLUnpremulInputFragmentProcessor : public GrGLSLFragmentProcessor { |
| public: |
| GrGLSLUnpremulInputFragmentProcessor() {} |
| void emitCode(EmitArgs& args) override { |
| GrGLSLFPFragmentBuilder* fragBuilder = args.fFragBuilder; |
| const GrUnpremulInputFragmentProcessor& _outer = |
| args.fFp.cast<GrUnpremulInputFragmentProcessor>(); |
| (void)_outer; |
| fragBuilder->codeAppendf( |
| "%s = %s;\nhalf invAlpha = %s.w <= 0.0 ? 0.0 : 1.0 / %s.w;\n%s.xyz *= invAlpha;\n", |
| args.fOutputColor, args.fInputColor ? args.fInputColor : "half4(1)", |
| args.fInputColor ? args.fInputColor : "half4(1)", |
| args.fInputColor ? args.fInputColor : "half4(1)", args.fOutputColor); |
| } |
| |
| private: |
| void onSetData(const GrGLSLProgramDataManager& pdman, |
| const GrFragmentProcessor& _proc) override {} |
| }; |
| GrGLSLFragmentProcessor* GrUnpremulInputFragmentProcessor::onCreateGLSLInstance() const { |
| return new GrGLSLUnpremulInputFragmentProcessor(); |
| } |
| void GrUnpremulInputFragmentProcessor::onGetGLSLProcessorKey(const GrShaderCaps& caps, |
| GrProcessorKeyBuilder* b) const {} |
| bool GrUnpremulInputFragmentProcessor::onIsEqual(const GrFragmentProcessor& other) const { |
| const GrUnpremulInputFragmentProcessor& that = other.cast<GrUnpremulInputFragmentProcessor>(); |
| (void)that; |
| return true; |
| } |
| GrUnpremulInputFragmentProcessor::GrUnpremulInputFragmentProcessor( |
| const GrUnpremulInputFragmentProcessor& src) |
| : INHERITED(kGrUnpremulInputFragmentProcessor_ClassID, src.optimizationFlags()) {} |
| std::unique_ptr<GrFragmentProcessor> GrUnpremulInputFragmentProcessor::clone() const { |
| return std::unique_ptr<GrFragmentProcessor>(new GrUnpremulInputFragmentProcessor(*this)); |
| } |
| #endif |