diff options
Diffstat (limited to 'include/core/SkSurface.h')
| -rw-r--r-- | include/core/SkSurface.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/include/core/SkSurface.h b/include/core/SkSurface.h index f70db73fe5..b4df88c8cf 100644 --- a/include/core/SkSurface.h +++ b/include/core/SkSurface.h @@ -99,9 +99,42 @@ public: sk_sp<SkColorSpace> colorSpace, const SkSurfaceProps* surfaceProps); + /** + * Used to wrap a pre-existing backend 3D API texture as a SkSurface. Skia will not assume + * ownership of the texture and the client must ensure the texture is valid for the lifetime + * of the SkSurface. If sampleCnt > 0, then we will create an intermediate mssa surface which + * we will use for rendering. We then resolve into the passed in texture. + * + * The GrBackendTexture must have a valid backend format supplied (GrGLTextureInfo::fFormat, + * GrVkImageInfo::fFormat, etc.) in it. The passed in SkColorType informs skia how it should + * interpret the backend format supplied by the GrBackendTexture. If the format in the + * GrBackendTexture is not compitable with the sampleCnt, SkColorType, and SkColorSpace we + * will return nullptr. + */ + static sk_sp<SkSurface> MakeFromBackendTexture(GrContext* context, + const GrBackendTexture& backendTexture, + GrSurfaceOrigin origin, int sampleCnt, + SkColorType colorType, + sk_sp<SkColorSpace> colorSpace, + const SkSurfaceProps* surfaceProps); + + static sk_sp<SkSurface> MakeFromBackendRenderTarget(GrContext* context, + const GrBackendRenderTarget& backendRenderTarget, + GrSurfaceOrigin origin, + sk_sp<SkColorSpace> colorSpace, + const SkSurfaceProps* surfaceProps); + + /** + * The GrBackendRenderTarget must have a valid backend format set (GrGLTextureInfo::fFormat, + * GrVkImageInfo::fFormat, etc.) in it. The passed in SkColorType informs skia how it should + * interpret the backend format supplied by the GrBackendRenderTarget. If the format in the + * GrBackendRenderTarget is not compitable with the sampleCnt, SkColorType, and SkColorSpace + * we will return nullptr. + */ static sk_sp<SkSurface> MakeFromBackendRenderTarget(GrContext* context, const GrBackendRenderTarget& backendRenderTarget, GrSurfaceOrigin origin, + SkColorType colorType, sk_sp<SkColorSpace> colorSpace, const SkSurfaceProps* surfaceProps); @@ -120,6 +153,27 @@ public: const SkSurfaceProps* surfaceProps); /** + * Used to wrap a pre-existing 3D API texture as a SkSurface. Skia will treat the texture as + * a rendering target only, but unlike NewFromBackendRenderTarget, Skia will manage and own + * the associated render target objects (but not the provided texture). Skia will not assume + * ownership of the texture and the client must ensure the texture is valid for the lifetime + * of the SkSurface. + * + * The GrBackendTexture must have a valid backend format supplied (GrGLTextureInfo::fFormat, + * GrVkImageInfo::fFormat, etc.) in it. The passed in SkColorType informs skia how it should + * interpret the backend format supplied by the GrBackendTexture. If the format in the + * GrBackendTexture is not compitable with the sampleCnt, SkColorType, and SkColorSpace we + * will return nullptr. + */ + static sk_sp<SkSurface> MakeFromBackendTextureAsRenderTarget(GrContext* context, + const GrBackendTexture& backendTexture, + GrSurfaceOrigin origin, + int sampleCnt, + SkColorType, + sk_sp<SkColorSpace> colorSpace, + const SkSurfaceProps* surfaceProps); + + /** * Return a new surface whose contents will be drawn to an offscreen * render target, allocated by the surface. The optional shouldCreateWithMips flag is a hint * that this surface may be snapped to an SkImage which will be used with mip maps so we should |