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: |
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 | } |
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; |
31 | const char* name() const override { return "ClampFragmentProcessor" ; } |
32 | bool clampToPremul; |
33 | |
34 | private: |
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 | |