diff options
Diffstat (limited to 'src/core/SkImagePriv.h')
| -rw-r--r-- | src/core/SkImagePriv.h | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/core/SkImagePriv.h b/src/core/SkImagePriv.h index ed40996acd..3077f34367 100644 --- a/src/core/SkImagePriv.h +++ b/src/core/SkImagePriv.h @@ -9,19 +9,35 @@ #define SkImagePriv_DEFINED #include "SkImage.h" +#include "SkSmallAllocator.h" #include "SkSurface.h" -// Call this if you explicitly want to use/share this pixelRef in the image -extern sk_sp<SkImage> SkMakeImageFromPixelRef(const SkImageInfo&, SkPixelRef*, - const SkIPoint& pixelRefOrigin, - size_t rowBytes); - enum SkCopyPixelsMode { kIfMutable_SkCopyPixelsMode, //!< only copy src pixels if they are marked mutable kAlways_SkCopyPixelsMode, //!< always copy src pixels (even if they are marked immutable) kNever_SkCopyPixelsMode, //!< never copy src pixels (even if they are marked mutable) }; +enum {kSkBlitterContextSize = 3332}; + +// Commonly used allocator. It currently is only used to allocate up to 3 objects. The total +// bytes requested is calculated using one of our large shaders, its context size plus the size of +// an Sk3DBlitter in SkDraw.cpp +// Note that some contexts may contain other contexts (e.g. for compose shaders), but we've not +// yet found a situation where the size below isn't big enough. +typedef SkSmallAllocator<3, kSkBlitterContextSize> SkTBlitterAllocator; + +// If alloc is non-nullptr, it will be used to allocate the returned SkShader, and MUST outlive +// the SkShader. +sk_sp<SkShader> SkMakeBitmapShader(const SkBitmap& src, SkShader::TileMode, SkShader::TileMode, + const SkMatrix* localMatrix, SkCopyPixelsMode, + SkTBlitterAllocator* alloc); + +// Call this if you explicitly want to use/share this pixelRef in the image +extern sk_sp<SkImage> SkMakeImageFromPixelRef(const SkImageInfo&, SkPixelRef*, + const SkIPoint& pixelRefOrigin, + size_t rowBytes); + /** * Examines the bitmap to decide if it can share the existing pixelRef, or * if it needs to make a deep-copy of the pixels. @@ -40,7 +56,8 @@ enum SkCopyPixelsMode { * SkImageInfo, or the bitmap's pixels cannot be accessed, this will return * nullptr. */ -extern sk_sp<SkImage> SkMakeImageFromRasterBitmap(const SkBitmap&, SkCopyPixelsMode); +extern sk_sp<SkImage> SkMakeImageFromRasterBitmap(const SkBitmap&, SkCopyPixelsMode, + SkTBlitterAllocator* = nullptr); // Given an image created from SkNewImageFromBitmap, return its pixelref. This // may be called to see if the surface and the image share the same pixelref, |