diff options
author | egdaniel <egdaniel@google.com> | 2014-12-05 12:14:26 -0800 |
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committer | Commit bot <commit-bot@chromium.org> | 2014-12-05 12:14:27 -0800 |
commit | 8bf2bd335f39afc29d7829ad11aa440945c2d37a (patch) | |
tree | fa68a2fd4406b468df66d93bcfcd7b7cfb51828d /include/gpu/effects/GrPorterDuffXferProcessor.h | |
parent | 69469b570ceb8a5ab7f64778d1b128cd5c472e73 (diff) |
Move GrPorterDuffXferProcessor to include/gpu/effects.
BUG=skia:
Review URL: https://codereview.chromium.org/780263003
Diffstat (limited to 'include/gpu/effects/GrPorterDuffXferProcessor.h')
-rw-r--r-- | include/gpu/effects/GrPorterDuffXferProcessor.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/gpu/effects/GrPorterDuffXferProcessor.h b/include/gpu/effects/GrPorterDuffXferProcessor.h new file mode 100644 index 0000000000..d1b30cc931 --- /dev/null +++ b/include/gpu/effects/GrPorterDuffXferProcessor.h @@ -0,0 +1,80 @@ +/* + * Copyright 2014 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#ifndef GrPorterDuffXferProcessor_DEFINED +#define GrPorterDuffXferProcessor_DEFINED + +#include "GrTypes.h" +#include "GrXferProcessor.h" +#include "SkXfermode.h" + +class GrDrawState; +class GrInvariantOutput; + +class GrPorterDuffXferProcessor : public GrXferProcessor { +public: + static GrXferProcessor* Create(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend) { + return SkNEW_ARGS(GrPorterDuffXferProcessor, (srcBlend, dstBlend)); + } + + virtual ~GrPorterDuffXferProcessor(); + + virtual const char* name() const { return "Porter Duff"; } + + virtual void getGLProcessorKey(const GrGLCaps& caps, + GrProcessorKeyBuilder* b) const SK_OVERRIDE; + + virtual GrGLFragmentProcessor* createGLInstance() const SK_OVERRIDE; + +private: + GrPorterDuffXferProcessor(GrBlendCoeff srcBlend, GrBlendCoeff dstBlend); + + virtual bool onIsEqual(const GrFragmentProcessor& fpBase) const SK_OVERRIDE { + const GrPorterDuffXferProcessor& xp = fpBase.cast<GrPorterDuffXferProcessor>(); + if (fSrcBlend != xp.fSrcBlend || fDstBlend != xp.fDstBlend) { + return false; + } + return true; + } + + virtual void onComputeInvariantOutput(GrInvariantOutput* inout) const SK_OVERRIDE; + + GrBlendCoeff fSrcBlend; + GrBlendCoeff fDstBlend; + + typedef GrXferProcessor INHERITED; +}; + +/////////////////////////////////////////////////////////////////////////////// + +class GrPorterDuffXPFactory : public GrXPFactory { +public: + static GrXPFactory* Create(SkXfermode::Mode mode); + + static GrXPFactory* Create(SkXfermode::Coeff src, SkXfermode::Coeff dst) { + return SkNEW_ARGS(GrPorterDuffXPFactory, ((GrBlendCoeff)(src), (GrBlendCoeff)(dst))); + } + + static GrXPFactory* Create(GrBlendCoeff src, GrBlendCoeff dst) { + return SkNEW_ARGS(GrPorterDuffXPFactory, (src, dst)); + } + + const GrXferProcessor* createXferProcessor() const SK_OVERRIDE; + + bool supportsRGBCoverage(GrColor knownColor, uint32_t knownColorFlags) const SK_OVERRIDE; + +private: + GrPorterDuffXPFactory(GrBlendCoeff src, GrBlendCoeff dst) + : fSrc(src), fDst(dst) {} + + GrBlendCoeff fSrc; + GrBlendCoeff fDst; + + typedef GrXPFactory INHERITED; +}; + +#endif |