libs/hwui/TextureCache.h

/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef ANDROID_UI_TEXTURE_CACHE_H
#define ANDROID_UI_TEXTURE_CACHE_H

#include <SkBitmap.h>

#include "Texture.h"
#include "GenerationCache.h"

namespace android {
namespace uirenderer {

class TextureCache: public OnEntryRemoved<SkBitmap*, Texture*> {
public:
    TextureCache(unsigned int maxEntries);
    ~TextureCache();

    void operator()(SkBitmap* key, Texture* value);

    Texture* get(SkBitmap* bitmap);
    Texture* remove(SkBitmap* bitmap);
    void clear();

private:
    void generateTexture(SkBitmap* bitmap, Texture* texture, bool regenerate = false);

    GenerationCache<SkBitmap, Texture> mCache;
}; // class TextureCache

}; // namespace uirenderer
}; // namespace android

#endif // ANDROID_UI_TEXTURE_CACHE_H