31 lines
847 B
C++
31 lines
847 B
C++
/*
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* Copyright 2015 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GrCustomXfermode_DEFINED
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#define GrCustomXfermode_DEFINED
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#include "SkXfermode.h"
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class GrFragmentProcessor;
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class GrTexture;
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/**
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* Custom Xfer modes are used for blending when the blend mode cannot be represented using blend
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* coefficients. It is assumed that all blending is done within the processors' emit code. For each
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* blend mode there should be a matching fragment processor (used when blending with a background
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* texture) and xfer processor.
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*/
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namespace GrCustomXfermode {
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bool IsSupportedMode(SkXfermode::Mode mode);
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GrFragmentProcessor* CreateFP(SkXfermode::Mode mode, GrTexture* background);
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GrXPFactory* CreateXPFactory(SkXfermode::Mode mode);
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};
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#endif
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