| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef SkGrPriv_DEFINED |
| #define SkGrPriv_DEFINED |
| |
| #include "GrTypes.h" |
| #include "SkImageInfo.h" |
| #include "SkXfermode.h" |
| |
| class GrCaps; |
| class GrContext; |
| class GrFragmentProcessor; |
| class GrPaint; |
| class GrUniqueKey; |
| class SkPaint; |
| class SkMatrix; |
| struct SkIRect; |
| |
| /** |
| * Our key includes the offset, width, and height so that bitmaps created by extractSubset() |
| * are unique. |
| * |
| * The imageID is in the shared namespace (see SkNextID::ImageID() |
| * - SkBitmap/SkPixelRef |
| * - SkImage |
| * - SkImageGenerator |
| * |
| * Note: width/height must fit in 16bits for this impl. |
| */ |
| void GrMakeKeyFromImageID(GrUniqueKey* key, uint32_t imageID, const SkIRect& imageBounds, |
| const GrCaps&, SkImageUsageType); |
| |
| /** Converts an SkPaint to a GrPaint for a given GrContext. The matrix is required in order |
| to convert the SkShader (if any) on the SkPaint. */ |
| bool SkPaintToGrPaint(GrContext*, |
| const SkPaint& skPaint, |
| const SkMatrix& viewM, |
| GrPaint* grPaint); |
| |
| /** Ignores the SkShader (if any) on skPaint. */ |
| bool SkPaintToGrPaintNoShader(GrContext* context, |
| const SkPaint& skPaint, |
| GrPaint* grPaint); |
| |
| /** Replaces the SkShader (if any) on skPaint with the passed in GrFragmentProcessor. The processor |
| should expect an unpremul input color and produce a premultiplied output color. */ |
| bool SkPaintToGrPaintReplaceShader(GrContext*, |
| const SkPaint& skPaint, |
| const GrFragmentProcessor* shaderFP, |
| GrPaint* grPaint); |
| |
| /** Blends the SkPaint's shader (or color if no shader) with the color which specified via a |
| GrBatch's GrPrimitiveProcesssor. Currently there is a bool param to indicate whether the |
| primitive color is the dst or src color to the blend in order to work around differences between |
| drawVertices and drawAtlas. |
| */ |
| bool SkPaintToGrPaintWithXfermode(GrContext* context, |
| const SkPaint& skPaint, |
| const SkMatrix& viewM, |
| SkXfermode::Mode primColorMode, |
| bool primitiveIsSrc, |
| GrPaint* grPaint); |
| |
| #endif |