| 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 | #include "include/core/SkM44.h" |
| 15 | |
| 16 | #include "src/gpu/GrCoordTransform.h" |
| 17 | #include "src/gpu/GrFragmentProcessor.h" |
| 18 | class GrConstColorProcessor : public GrFragmentProcessor { |
| 19 | public: |
| 20 | enum class InputMode { kIgnore = 0, kLast = 2, kModulateA = 2, kModulateRGBA = 1 }; |
| 21 | |
| 22 | static const int kInputModeCnt = (int)InputMode::kLast + 1; |
| 23 | |
| 24 | static OptimizationFlags OptFlags(const SkPMColor4f& color, InputMode mode) { |
| 25 | OptimizationFlags flags = kConstantOutputForConstantInput_OptimizationFlag; |
| 26 | if (mode != InputMode::kIgnore) { |
| 27 | flags |= kCompatibleWithCoverageAsAlpha_OptimizationFlag; |
| 28 | } |
| 29 | if (color.isOpaque()) { |
| 30 | flags |= kPreservesOpaqueInput_OptimizationFlag; |
| 31 | } |
| 32 | return flags; |
| 33 | } |
| 34 | |
| 35 | SkPMColor4f constantOutputForConstantInput(const SkPMColor4f& input) const override { |
| 36 | switch (mode) { |
| 37 | case InputMode::kIgnore: |
| 38 | return color; |
| 39 | case InputMode::kModulateA: |
| 40 | return color * input.fA; |
| 41 | case InputMode::kModulateRGBA: |
| 42 | return color * input; |
| 43 | } |
| 44 | SK_ABORT("Unexpected mode" ); |
| 45 | } |
| 46 | static std::unique_ptr<GrFragmentProcessor> Make(SkPMColor4f color, InputMode mode) { |
| 47 | return std::unique_ptr<GrFragmentProcessor>(new GrConstColorProcessor(color, mode)); |
| 48 | } |
| 49 | GrConstColorProcessor(const GrConstColorProcessor& src); |
| 50 | std::unique_ptr<GrFragmentProcessor> clone() const override; |
| 51 | const char* name() const override { return "ConstColorProcessor" ; } |
| 52 | SkPMColor4f color; |
| 53 | InputMode mode; |
| 54 | |
| 55 | private: |
| 56 | GrConstColorProcessor(SkPMColor4f color, InputMode mode) |
| 57 | : INHERITED(kGrConstColorProcessor_ClassID, (OptimizationFlags)OptFlags(color, mode)) |
| 58 | , color(color) |
| 59 | , mode(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 | typedef GrFragmentProcessor INHERITED; |
| 65 | }; |
| 66 | #endif |
| 67 | |