| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrSimpleTextureEffect_DEFINED |
| #define GrSimpleTextureEffect_DEFINED |
| |
| #include "GrSingleTextureEffect.h" |
| |
| class GrInvariantOutput; |
| |
| /** |
| * The output color of this effect is a modulation of the input color and a sample from a texture. |
| * It allows explicit specification of the filtering and wrap modes (GrSamplerParams) and accepts |
| * a matrix that is used to compute texture coordinates from local coordinates. |
| */ |
| class GrSimpleTextureEffect : public GrSingleTextureEffect { |
| public: |
| /* unfiltered, clamp mode */ |
| static sk_sp<GrFragmentProcessor> Make(GrTexture* tex, |
| sk_sp<GrColorSpaceXform> colorSpaceXform, |
| const SkMatrix& matrix) { |
| return sk_sp<GrFragmentProcessor>( |
| new GrSimpleTextureEffect(tex, std::move(colorSpaceXform), matrix, |
| GrSamplerParams::kNone_FilterMode)); |
| } |
| |
| /* clamp mode */ |
| static sk_sp<GrFragmentProcessor> Make(GrTexture* tex, |
| sk_sp<GrColorSpaceXform> colorSpaceXform, |
| const SkMatrix& matrix, |
| GrSamplerParams::FilterMode filterMode) { |
| return sk_sp<GrFragmentProcessor>( |
| new GrSimpleTextureEffect(tex, std::move(colorSpaceXform), matrix, filterMode)); |
| } |
| |
| static sk_sp<GrFragmentProcessor> Make(GrTexture* tex, |
| sk_sp<GrColorSpaceXform> colorSpaceXform, |
| const SkMatrix& matrix, |
| const GrSamplerParams& p) { |
| return sk_sp<GrFragmentProcessor>(new GrSimpleTextureEffect(tex, std::move(colorSpaceXform), |
| matrix, p)); |
| } |
| |
| virtual ~GrSimpleTextureEffect() {} |
| |
| const char* name() const override { return "SimpleTexture"; } |
| |
| private: |
| GrSimpleTextureEffect(GrTexture* texture, |
| sk_sp<GrColorSpaceXform> colorSpaceXform, |
| const SkMatrix& matrix, |
| GrSamplerParams::FilterMode filterMode) |
| : GrSingleTextureEffect(texture, std::move(colorSpaceXform), matrix, filterMode) { |
| this->initClassID<GrSimpleTextureEffect>(); |
| } |
| |
| GrSimpleTextureEffect(GrTexture* texture, |
| sk_sp<GrColorSpaceXform> colorSpaceXform, |
| const SkMatrix& matrix, |
| const GrSamplerParams& params) |
| : GrSingleTextureEffect(texture, std::move(colorSpaceXform), matrix, params) { |
| this->initClassID<GrSimpleTextureEffect>(); |
| } |
| |
| GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
| |
| void onGetGLSLProcessorKey(const GrGLSLCaps&, GrProcessorKeyBuilder*) const override; |
| |
| bool onIsEqual(const GrFragmentProcessor& other) const override { return true; } |
| |
| void onComputeInvariantOutput(GrInvariantOutput* inout) const override; |
| |
| GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
| |
| typedef GrSingleTextureEffect INHERITED; |
| }; |
| |
| #endif |