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 #include "include/core/SkTypes.h" 14 #include "include/core/SkM44.h" 15 16 #include "src/gpu/GrCoordTransform.h" 17 #include "src/gpu/GrFragmentProcessor.h" 18 class GrClampFragmentProcessor : public GrFragmentProcessor { 19 public: constantOutputForConstantInput(const SkPMColor4f & input)20 SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override { 21 float clampedAlpha = SkTPin(input.fA, 0.f, 1.f); 22 float clampVal = clampToPremul ? clampedAlpha : 1.f; 23 return {SkTPin(input.fR, 0.f, clampVal), SkTPin(input.fG, 0.f, clampVal), 24 SkTPin(input.fB, 0.f, clampVal), clampedAlpha}; 25 } Make(bool clampToPremul)26 static std::unique_ptr<GrFragmentProcessor> Make(bool clampToPremul) { 27 return std::unique_ptr<GrFragmentProcessor>(new GrClampFragmentProcessor(clampToPremul)); 28 } 29 GrClampFragmentProcessor(const GrClampFragmentProcessor& src); 30 std::unique_ptr<GrFragmentProcessor> clone() const override; name()31 const char* name() const override { return "ClampFragmentProcessor"; } 32 bool clampToPremul; 33 34 private: GrClampFragmentProcessor(bool clampToPremul)35 GrClampFragmentProcessor(bool clampToPremul) 36 : INHERITED(kGrClampFragmentProcessor_ClassID, 37 (OptimizationFlags)kConstantOutputForConstantInput_OptimizationFlag | 38 kPreservesOpaqueInput_OptimizationFlag) 39 , clampToPremul(clampToPremul) {} 40 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 41 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 42 bool onIsEqual(const GrFragmentProcessor&) const override; 43 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 44 typedef GrFragmentProcessor INHERITED; 45 }; 46 #endif 47