1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef GrBitmapTextureMaker_DEFINED 9 #define GrBitmapTextureMaker_DEFINED 10 11 #include "GrTextureMaker.h" 12 #include "SkBitmap.h" 13 14 /** This class manages the conversion of SW-backed bitmaps to GrTextures. If the input bitmap is 15 non-volatile the texture is cached using a key created from the pixels' image id and the 16 subset of the pixelref specified by the bitmap. */ 17 class GrBitmapTextureMaker : public GrTextureMaker { 18 public: 19 GrBitmapTextureMaker(GrContext* context, const SkBitmap& bitmap); 20 21 protected: 22 sk_sp<GrTextureProxy> refOriginalTextureProxy(bool willBeMipped, 23 AllowedTexGenType onlyIfFast) override; 24 25 void makeCopyKey(const CopyParams& copyParams, GrUniqueKey* copyKey) override; 26 void didCacheCopy(const GrUniqueKey& copyKey, uint32_t contextUniqueID) override; 27 28 SkAlphaType alphaType() const override; 29 SkColorSpace* colorSpace() const override; 30 31 private: 32 const SkBitmap fBitmap; 33 GrUniqueKey fOriginalKey; 34 35 typedef GrTextureMaker INHERITED; 36 }; 37 38 #endif 39