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Diffstat (limited to 'libs/hwui/TextureCache.h')
-rw-r--r-- | libs/hwui/TextureCache.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/libs/hwui/TextureCache.h b/libs/hwui/TextureCache.h deleted file mode 100644 index 19e7bea99669..000000000000 --- a/libs/hwui/TextureCache.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * 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_HWUI_TEXTURE_CACHE_H -#define ANDROID_HWUI_TEXTURE_CACHE_H - -#include <SkBitmap.h> - -#include <cutils/compiler.h> - -#include <utils/LruCache.h> -#include <utils/Mutex.h> - -#include "Debug.h" - -#include <unordered_map> -#include <vector> - -namespace android { - -class Bitmap; - -namespace uirenderer { - -class Texture; - -/////////////////////////////////////////////////////////////////////////////// -// Defines -/////////////////////////////////////////////////////////////////////////////// - -// Debug -#if DEBUG_TEXTURES -#define TEXTURE_LOGD(...) ALOGD(__VA_ARGS__) -#else -#define TEXTURE_LOGD(...) -#endif - -/////////////////////////////////////////////////////////////////////////////// -// Classes -/////////////////////////////////////////////////////////////////////////////// - -/** - * A simple LRU texture cache. The cache has a maximum size expressed in bytes. - * Any texture added to the cache causing the cache to grow beyond the maximum - * allowed size will also cause the oldest texture to be kicked out. - */ -class TextureCache : public OnEntryRemoved<uint32_t, Texture*> { -public: - TextureCache(); - ~TextureCache(); - - /** - * Used as a callback when an entry is removed from the cache. - * Do not invoke directly. - */ - void operator()(uint32_t&, Texture*& texture) override; - - /** - * Resets all Textures to not be marked as in use - */ - void resetMarkInUse(void* ownerToken); - - /** - * Attempts to precache the SkBitmap. Returns true if a Texture was successfully - * acquired for the bitmap, false otherwise. If a Texture was acquired it is - * marked as in use. - */ - bool prefetchAndMarkInUse(void* ownerToken, Bitmap* bitmap); - - /** - * Attempts to precache the SkBitmap. Returns true if a Texture was successfully - * acquired for the bitmap, false otherwise. Does not mark the Texture - * as in use and won't update currently in-use Textures. - */ - bool prefetch(Bitmap* bitmap); - - /** - * Returns the texture associated with the specified bitmap from within the cache. - * If the texture cannot be found in the cache, a new texture is generated. - */ - Texture* get(Bitmap* bitmap); - - /** - * Removes the texture associated with the specified pixelRef. Must be called from RenderThread - * Returns true if a texture was destroyed, false if no texture with that id was found - */ - bool destroyTexture(uint32_t pixelRefStableID); - - /** - * Clears the cache. This causes all textures to be deleted. - */ - void clear(); - - /** - * Returns the maximum size of the cache in bytes. - */ - uint32_t getMaxSize(); - /** - * Returns the current size of the cache in bytes. - */ - uint32_t getSize(); - - /** - * Partially flushes the cache. The amount of memory freed by a flush - * is defined by the flush rate. - */ - void flush(); - -private: - bool canMakeTextureFromBitmap(Bitmap* bitmap); - - Texture* getCachedTexture(Bitmap* bitmap); - Texture* createTexture(Bitmap* bitmap); - - LruCache<uint32_t, Texture*> mCache; - - uint32_t mSize; - const uint32_t mMaxSize; - GLint mMaxTextureSize; - - const float mFlushRate; - - bool mDebugEnabled; - - std::unordered_map<uint32_t, std::unique_ptr<Texture>> mHardwareTextures; -}; // class TextureCache - -}; // namespace uirenderer -}; // namespace android - -#endif // ANDROID_HWUI_TEXTURE_CACHE_H |