1 /* 2 * Copyright 2015 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 SkYUVPlanesCache_DEFINED 9 #define SkYUVPlanesCache_DEFINED 10 11 #include "SkCachedData.h" 12 #include "SkImageInfo.h" 13 #include "SkYUVSizeInfo.h" 14 15 class SkResourceCache; 16 17 class SkYUVPlanesCache { 18 public: 19 /** 20 * The Info struct contains data about the 3 Y, U and V planes of memory stored 21 * contiguously, in that order, as a single block of memory within SkYUVPlanesCache. 22 * 23 * fSizeInfo: fWidth, fHeight, and fWidthBytes of each of the Y, U, and V planes. 24 * fColorSpace: color space that will be used for the YUV -> RGB conversion. 25 */ 26 struct Info { 27 SkYUVSizeInfo fSizeInfo; 28 SkYUVColorSpace fColorSpace; 29 }; 30 /** 31 * On success, return a ref to the SkCachedData that holds the pixels. 32 * 33 * On failure, return nullptr. 34 */ 35 static SkCachedData* FindAndRef(uint32_t genID, Info* info, 36 SkResourceCache* localCache = nullptr); 37 38 /** 39 * Add a pixelRef ID and its YUV planes data to the cache. 40 */ 41 static void Add(uint32_t genID, SkCachedData* data, Info* info, 42 SkResourceCache* localCache = nullptr); 43 }; 44 45 #endif 46
