1 files changed, 38 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/core/SkYUVPlanesCache.h b/gfx/skia/skia/src/core/SkYUVPlanesCache.h
new file mode 100644
index 0000000000..dfe535f679
--- /dev/null
+++ b/gfx/skia/skia/src/core/SkYUVPlanesCache.h
@@ -0,0 +1,38 @@
+/*
+ * 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 "include/core/SkTypes.h"
+
+class SkCachedData;
+class SkResourceCache;
+class SkYUVAPixmaps;
+
+class SkYUVPlanesCache {
+public:
+    /**
+     * On success, return a ref to the SkCachedData that holds the pixel data. The SkYUVAPixmaps
+     * contains a description of the YUVA data and has a SkPixmap for each plane that points
+     * into the SkCachedData.
+     *
+     * On failure, return nullptr.
+     */
+    static SkCachedData* FindAndRef(uint32_t genID,
+                                    SkYUVAPixmaps* pixmaps,
+                                    SkResourceCache* localCache = nullptr);
+
+    /**
+     * Add a pixelRef ID and its YUV planes data to the cache. The SkYUVAPixmaps should contain
+     * SkPixmaps that store their pixel data in the SkCachedData.
+     */
+    static void Add(uint32_t genID, SkCachedData* data, const SkYUVAPixmaps& pixmaps,
+                    SkResourceCache* localCache = nullptr);
+};
+
+#endif