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 "SkTypes.h" 14 #if SK_SUPPORT_GPU 15 #include "GrFragmentProcessor.h" 16 #include "GrCoordTransform.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 23 static OptimizationFlags OptFlags(GrColor4f 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 34 GrColor4f constantOutputForConstantInput(GrColor4f input) const override { 35 switch (fMode) { 36 case InputMode::kIgnore: 37 return fColor; 38 case InputMode::kModulateA: 39 return fColor.mulByScalar(input.fRGBA[3]); 40 case InputMode::kModulateRGBA: 41 return fColor.modulate(input); 42 } 43 SK_ABORT("Unexpected mode"); 44 return GrColor4f::TransparentBlack(); 45 } 46 GrColor4f color() const { return fColor; } 47 InputMode mode() const { return fMode; } 48 static std::unique_ptr<GrFragmentProcessor> Make(GrColor4f color, InputMode mode) { 49 return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(color, mode)); 50 } 51 GrConstColorProcessor(const GrConstColorProcessor& src); 52 std::unique_ptr<GrFragmentProcessor> clone() const override; 53 const char* name() const override { return "ConstColorProcessor"; } 54 55 private: 56 GrConstColorProcessor(GrColor4f color, InputMode mode) 57 : INHERITED(kGrConstColorProcessor_ClassID, (OptimizationFlags)OptFlags(color, mode)) 58 , fColor(color) 59 , fMode(mode) {} 60 GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; 61 void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; 62 bool onIsEqual(const GrFragmentProcessor&) const override; 63 GR_DECLARE_FRAGMENT_PROCESSOR_TEST 64 GrColor4f fColor; 65 InputMode fMode; 66 typedef GrFragmentProcessor INHERITED; 67 }; 68 #endif 69 #endif 70
