2 * Copyright (C) 2010 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #ifndef ANDROID_HWUI_FBO_CACHE_H
18 #define ANDROID_HWUI_FBO_CACHE_H
20 #include <GLES2/gl2.h>
22 #include <utils/SortedVector.h>
25 namespace uirenderer {
27 ///////////////////////////////////////////////////////////////////////////////
29 ///////////////////////////////////////////////////////////////////////////////
37 * Returns an FBO from the cache. If no FBO is available, a new one
38 * is created. If creating a new FBO fails, 0 is returned.
40 * When an FBO is obtained from the cache, it is removed and the
41 * total number of FBOs available in the cache decreases.
43 * @return The name of the FBO, or 0 if no FBO can be obtained.
48 * Adds the specified FBO to the cache.
50 * @param fbo The FBO to add to the cache.
52 * @return True if the FBO was added, false otherwise.
57 * Clears the cache. This causes all FBOs to be deleted.
62 * Returns the current size of the cache.
67 * Returns the maximum number of FBOs that the cache can hold.
69 uint32_t getMaxSize();
72 SortedVector<GLuint> mCache;
76 }; // namespace uirenderer
77 }; // namespace android
79 #endif // ANDROID_HWUI_FBO_CACHE_H