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/*
* 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 SkYUVPlanesCache_DEFINED
#define SkYUVPlanesCache_DEFINED
#include "SkCachedData.h"
#include "SkImageInfo.h"
#include "SkYUVSizeInfo.h"
class SkResourceCache;
class SkYUVPlanesCache {
public:
/**
* The Info struct contains data about the 3 Y, U and V planes of memory stored
* contiguously, in that order, as a single block of memory within SkYUVPlanesCache.
*
* fSizeInfo: fWidth, fHeight, and fWidthBytes of each of the Y, U, and V planes.
* fColorSpace: color space that will be used for the YUV -> RGB conversion.
*/
struct Info {
SkYUVSizeInfo fSizeInfo;
SkYUVColorSpace fColorSpace;
};
/**
* On success, return a ref to the SkCachedData that holds the pixels.
*
* On failure, return nullptr.
*/
static SkCachedData* FindAndRef(uint32_t genID, Info* info,
SkResourceCache* localCache = nullptr);
/**
* Add a pixelRef ID and its YUV planes data to the cache.
*/
static void Add(uint32_t genID, SkCachedData* data, Info* info,
SkResourceCache* localCache = nullptr);
};
#endif
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