1 /* 2 * Copyright 2019 Google LLC 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 /************************************************************************************************** 9 *** This file was autogenerated from GrClampFragmentProcessor.fp; do not modify. 10 **************************************************************************************************/ 11 #ifndef GrClampFragmentProcessor_DEFINED 12 #define GrClampFragmentProcessor_DEFINED 13 14 #include "include/core/SkM44.h" 15 #include "include/core/SkTypes.h" 16 17 #include "src/gpu/GrFragmentProcessor.h" 18 19 class GrClampFragmentProcessor : public GrFragmentProcessor { 20 public: constantOutputForConstantInput(const SkPMColor4f & inColor)21 SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& inColor) const override { 22 SkPMColor4f input = ConstantOutputForConstantInput(this->childProcessor(0), inColor); 23 float clampedAlpha = SkTPin(input.fA, 0.f, 1.f); 24 float clampVal = clampToPremul ? clampedAlpha : 1.f; 25 return {SkTPin(input.fR, 0.f, clampVal), 26 SkTPin(input.fG, 0.f, clampVal), 27 SkTPin(input.fB, 0.f, clampVal), 28 clampedAlpha}; 29 } Make(std::unique_ptr<GrFragmentProcessor> inputFP,bool clampToPremul)30 static std::unique_ptr<GrFragmentProcessor> Make(std::unique_ptr<GrFragmentProcessor> inputFP, 31 bool clampToPremul) { 32 return std::unique_ptr<GrFragmentProcessor>( 33 new GrClampFragmentProcessor(std::move(inputFP), clampToPremul)); 34 } 35 GrClampFragmentProcessor(const GrClampFragmentProcessor& src); 36 std::unique_ptr<GrFragmentProcessor> clone() const override; name()37 const char* name() const override { return "ClampFragmentProcessor"; } 38 bool clampToPremul; 39 40 private: GrClampFragmentProcessor(std::unique_ptr<GrFragmentProcessor> inputFP,bool clampToPremul)41 GrClampFragmentProcessor(std::unique_ptr<GrFragmentProcessor> inputFP, bool clampToPremul) 42 : INHERITED(kGrClampFragmentProcessor_ClassID, 43 (OptimizationFlags)ProcessorOptimizationFlags(inputFP.get()) & 44 (kConstantOutputForConstantInput_OptimizationFlag | 45 kPreservesOpaqueInput_OptimizationFlag)) 46 , clampToPremul(clampToPremul) { 47 this->registerChild(std::move(inputFP), SkSL::SampleUsage::PassThrough()); 48 } 49 std::unique_ptr<GrGLSLFragmentProcessor> onMakeProgramImpl() const override; 50 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 51 bool onIsEqual(const GrFragmentProcessor&) const override; 52 #if GR_TEST_UTILS 53 SkString onDumpInfo() const override; 54 #endif 55 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 56 using INHERITED = GrFragmentProcessor; 57 }; 58 #endif 59