1 /* 2 * Copyright 2018 Google Inc. 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 GrConstColorProcessor.fp; do not modify. 10 **************************************************************************************************/ 11 #ifndef GrConstColorProcessor_DEFINED 12 #define GrConstColorProcessor_DEFINED 13 #include "include/core/SkTypes.h" 14 15 #include "src/gpu/GrCoordTransform.h" 16 #include "src/gpu/GrFragmentProcessor.h" 17 class GrConstColorProcessor : public GrFragmentProcessor { 18 public: 19 enum class InputMode { kIgnore = 0, kLast = 2, kModulateA = 2, kModulateRGBA = 1 }; 20 21 static const int kInputModeCnt = (int)InputMode::kLast + 1; 22 OptFlags(const SkPMColor4f & color,InputMode mode)23 static OptimizationFlags OptFlags(const SkPMColor4f& color, InputMode mode) { 24 OptimizationFlags flags = kConstantOutputForConstantInput_OptimizationFlag; 25 if (mode != InputMode::kIgnore) { 26 flags |= kCompatibleWithCoverageAsAlpha_OptimizationFlag; 27 } 28 if (color.isOpaque()) { 29 flags |= kPreservesOpaqueInput_OptimizationFlag; 30 } 31 return flags; 32 } 33 constantOutputForConstantInput(const SkPMColor4f & input)34 SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override { 35 switch (mode) { 36 case InputMode::kIgnore: 37 return color; 38 case InputMode::kModulateA: 39 return color * input.fA; 40 case InputMode::kModulateRGBA: 41 return color * input; 42 } 43 SK_ABORT("Unexpected mode"); 44 } Make(SkPMColor4f color,InputMode mode)45 static std::unique_ptr<GrFragmentProcessor> Make(SkPMColor4f color, InputMode mode) { 46 return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(color, mode)); 47 } 48 GrConstColorProcessor(const GrConstColorProcessor& src); 49 std::unique_ptr<GrFragmentProcessor> clone() const override; name()50 const char* name() const override { return "ConstColorProcessor"; } 51 SkPMColor4f color; 52 InputMode mode; 53 54 private: GrConstColorProcessor(SkPMColor4f color,InputMode mode)55 GrConstColorProcessor(SkPMColor4f color, InputMode mode) 56 : INHERITED(kGrConstColorProcessor_ClassID, (OptimizationFlags)OptFlags(color, mode)) 57 , color(color) 58 , mode(mode) {} 59 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 60 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 61 bool onIsEqual(const GrFragmentProcessor&) const override; 62 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 63 typedef GrFragmentProcessor INHERITED; 64 }; 65 #endif 66