| /* |
| * Copyright 2018 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrYUVtoRGBEffect_DEFINED |
| #define GrYUVtoRGBEffect_DEFINED |
| |
| #include "include/core/SkTypes.h" |
| |
| #include "include/core/SkYUVAIndex.h" |
| #include "src/gpu/GrCoordTransform.h" |
| #include "src/gpu/GrFragmentProcessor.h" |
| |
| class GrYUVtoRGBEffect : public GrFragmentProcessor { |
| public: |
| // The domain supported by this effect is more limited than the general GrTextureDomain due |
| // to the multi-planar, varying resolution images that it has to sample. If 'domain' is provided |
| // it is the Y plane's domain. This will automatically inset for bilinear filtering, and only |
| // the clamp wrap mode is supported. |
| static std::unique_ptr<GrFragmentProcessor> Make(GrSurfaceProxyView views[], |
| const SkYUVAIndex indices[4], |
| SkYUVColorSpace yuvColorSpace, |
| GrSamplerState samplerState, |
| const GrCaps&, |
| const SkMatrix& localMatrix = SkMatrix::I(), |
| const SkRect* subset = nullptr); |
| #ifdef SK_DEBUG |
| SkString dumpInfo() const override; |
| #endif |
| |
| std::unique_ptr<GrFragmentProcessor> clone() const override; |
| |
| const char* name() const override { return "YUVtoRGBEffect"; } |
| |
| private: |
| GrYUVtoRGBEffect(std::unique_ptr<GrFragmentProcessor> planeFPs[4], int numPlanes, |
| const SkYUVAIndex yuvaIndices[4], SkYUVColorSpace yuvColorSpace); |
| |
| GrYUVtoRGBEffect(const GrYUVtoRGBEffect& src); |
| |
| GrGLSLFragmentProcessor* onCreateGLSLInstance() const override; |
| |
| void onGetGLSLProcessorKey(const GrShaderCaps&, GrProcessorKeyBuilder*) const override; |
| |
| bool onIsEqual(const GrFragmentProcessor&) const override; |
| |
| GR_DECLARE_FRAGMENT_PROCESSOR_TEST |
| |
| SkYUVAIndex fYUVAIndices[4]; |
| SkYUVColorSpace fYUVColorSpace; |
| }; |
| #endif |