diff options
Diffstat (limited to 'chromium/third_party/skia/src/core/SkCoreBlitters.h')
| -rw-r--r-- | chromium/third_party/skia/src/core/SkCoreBlitters.h | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/chromium/third_party/skia/src/core/SkCoreBlitters.h b/chromium/third_party/skia/src/core/SkCoreBlitters.h index 1605a5273dc..20f9437ac8a 100644 --- a/chromium/third_party/skia/src/core/SkCoreBlitters.h +++ b/chromium/third_party/skia/src/core/SkCoreBlitters.h @@ -8,8 +8,11 @@ #ifndef SkCoreBlitters_DEFINED #define SkCoreBlitters_DEFINED +#include "SkBitmapProcShader.h" #include "SkBlitter.h" #include "SkBlitRow.h" +#include "SkShader.h" +#include "SkSmallAllocator.h" class SkRasterBlitter : public SkBlitter { public: @@ -24,12 +27,28 @@ private: class SkShaderBlitter : public SkRasterBlitter { public: - SkShaderBlitter(const SkBitmap& device, const SkPaint& paint); + /** + * The storage for shaderContext is owned by the caller, but the object itself is not. + * The blitter only ensures that the storage always holds a live object, but it may + * exchange that object. + */ + SkShaderBlitter(const SkBitmap& device, const SkPaint& paint, + SkShader::Context* shaderContext); virtual ~SkShaderBlitter(); + /** + * Create a new shader context and uses it instead of the old one if successful. + * Will create the context at the same location as the old one (this is safe + * because the shader itself is unchanged). + */ + virtual bool resetShaderContext(const SkShader::ContextRec&) SK_OVERRIDE; + + virtual SkShader::Context* getShaderContext() const SK_OVERRIDE { return fShaderContext; } + protected: - uint32_t fShaderFlags; - SkShader* fShader; + uint32_t fShaderFlags; + const SkShader* fShader; + SkShader::Context* fShaderContext; private: // illegal @@ -72,7 +91,8 @@ private: class SkA8_Shader_Blitter : public SkShaderBlitter { public: - SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); + SkA8_Shader_Blitter(const SkBitmap& device, const SkPaint& paint, + SkShader::Context* shaderContext); virtual ~SkA8_Shader_Blitter(); virtual void blitH(int x, int y, int width); virtual void blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[]); @@ -138,7 +158,8 @@ private: class SkARGB32_Shader_Blitter : public SkShaderBlitter { public: - SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint); + SkARGB32_Shader_Blitter(const SkBitmap& device, const SkPaint& paint, + SkShader::Context* shaderContext); virtual ~SkARGB32_Shader_Blitter(); virtual void blitH(int x, int y, int width) SK_OVERRIDE; virtual void blitV(int x, int y, int height, SkAlpha alpha) SK_OVERRIDE; @@ -175,8 +196,8 @@ private: SkBlitter::Choose(...) */ -extern SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, - const SkPaint& paint, - void* storage, size_t storageSize); +SkBlitter* SkBlitter_ChooseD565(const SkBitmap& device, const SkPaint& paint, + SkShader::Context* shaderContext, + SkTBlitterAllocator* allocator); #endif |