diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/core/SkXfermode.h | 4 | ||||
| -rw-r--r-- | include/gpu/effects/GrCustomXfermode.h | 2 | ||||
| -rw-r--r-- | include/gpu/effects/GrPorterDuffXferProcessor.h | 51 |
3 files changed, 50 insertions, 7 deletions
diff --git a/include/core/SkXfermode.h b/include/core/SkXfermode.h index cb9557f92c..4337d20b61 100644 --- a/include/core/SkXfermode.h +++ b/include/core/SkXfermode.h @@ -209,13 +209,13 @@ public: will install it and own a ref to it. Since the xfermode may or may not assign *xpf, the caller should set *xpf to NULL beforehand. XferProcessors cannot use a background texture. */ - virtual bool asXPFactory(GrXPFactory** xpf) const; + virtual bool asXPFactory(const GrXPFactory** xpf) const; /** Returns true if the xfermode can be expressed as an xfer processor factory (xpFactory). This helper calls the asXPFactory() virtual. If the xfermode is NULL, it is treated as kSrcOver_Mode. It is legal to call this with xpf param NULL to simply test the return value. */ - static bool AsXPFactory(SkXfermode*, GrXPFactory**); + static bool AsXPFactory(SkXfermode*, const GrXPFactory**); SK_TO_STRING_PUREVIRT() SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP() diff --git a/include/gpu/effects/GrCustomXfermode.h b/include/gpu/effects/GrCustomXfermode.h index bcbd5833ca..7fe930822a 100644 --- a/include/gpu/effects/GrCustomXfermode.h +++ b/include/gpu/effects/GrCustomXfermode.h @@ -18,7 +18,7 @@ class GrTexture; */ namespace GrCustomXfermode { bool IsSupportedMode(SkXfermode::Mode mode); - GrXPFactory* CreateXPFactory(SkXfermode::Mode mode); + const GrXPFactory* CreateXPFactory(SkXfermode::Mode mode); }; #endif diff --git a/include/gpu/effects/GrPorterDuffXferProcessor.h b/include/gpu/effects/GrPorterDuffXferProcessor.h index d297e32908..72faeb572c 100644 --- a/include/gpu/effects/GrPorterDuffXferProcessor.h +++ b/include/gpu/effects/GrPorterDuffXferProcessor.h @@ -14,9 +14,9 @@ class GrProcOptInfo; -class GrPorterDuffXPFactory : public GrXPFactory { +class GrPDXPFactory : public GrXPFactory { public: - static GrXPFactory* Create(SkXfermode::Mode mode); + static const GrXPFactory* Create(SkXfermode::Mode mode); bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*/) const override { return true; @@ -26,7 +26,7 @@ public: GrXPFactory::InvariantBlendedColor*) const override; private: - GrPorterDuffXPFactory(SkXfermode::Mode); + GrPDXPFactory(SkXfermode::Mode); GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, const GrProcOptInfo& colorPOI, @@ -40,7 +40,7 @@ private: bool hasMixedSamples) const override; bool onIsEqual(const GrXPFactory& xpfBase) const override { - const GrPorterDuffXPFactory& xpf = xpfBase.cast<GrPorterDuffXPFactory>(); + const GrPDXPFactory& xpf = xpfBase.cast<GrPDXPFactory>(); return fXfermode == xpf.fXfermode; } @@ -53,4 +53,47 @@ private: typedef GrXPFactory INHERITED; }; +class GrSrcOverPDXPFactory : public GrXPFactory { +public: + GrSrcOverPDXPFactory(); + + bool supportsRGBCoverage(GrColor /*knownColor*/, uint32_t /*knownColorFlags*/) const override { + return true; + } + + void getInvariantBlendedColor(const GrProcOptInfo& colorPOI, + GrXPFactory::InvariantBlendedColor*) const override; + +private: + GrXferProcessor* onCreateXferProcessor(const GrCaps& caps, + const GrProcOptInfo& colorPOI, + const GrProcOptInfo& coveragePOI, + bool hasMixedSamples, + const DstTexture*) const override; + + bool willReadDstColor(const GrCaps& caps, + const GrProcOptInfo& colorPOI, + const GrProcOptInfo& coveragePOI, + bool hasMixedSamples) const override; + + bool onIsEqual(const GrXPFactory& /*xpfBase*/) const override { + return true; + } + + GR_DECLARE_XP_FACTORY_TEST; + + typedef GrXPFactory INHERITED; +}; + +namespace GrPorterDuffXPFactory { + const GrSrcOverPDXPFactory gSrcOverPDXPFactory; + + inline const GrXPFactory* Create(SkXfermode::Mode mode) { + if (SkXfermode::kSrcOver_Mode == mode) { + return SkRef(&gSrcOverPDXPFactory); + } + return GrPDXPFactory::Create(mode); + } +}; + #endif |