5b3b35296e
This optimization is currently disabled until Launcher is modified to take advantage of it. The optimization can be enabled by turning on RENDER_LAYERS_AS_REGIONS in the OpenGLRenderer.h file. Change-Id: I2fdf59d0f4dc690a3d7f712173ab8db3848b27b1
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_HWUI_FBO_CACHE_H
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#define ANDROID_HWUI_FBO_CACHE_H
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#include <GLES2/gl2.h>
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#include <utils/SortedVector.h>
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namespace android {
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namespace uirenderer {
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///////////////////////////////////////////////////////////////////////////////
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// Cache
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///////////////////////////////////////////////////////////////////////////////
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class FboCache {
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public:
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FboCache();
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~FboCache();
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/**
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* Returns an FBO from the cache. If no FBO is available, a new one
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* is created. If creating a new FBO fails, 0 is returned.
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*
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* When an FBO is obtained from the cache, it is removed and the
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* total number of FBOs available in the cache decreases.
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*
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* @return The name of the FBO, or 0 if no FBO can be obtained.
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*/
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GLuint get();
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/**
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* Adds the specified FBO to the cache.
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*
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* @param fbo The FBO to add to the cache.
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*
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* @return True if the FBO was added, false otherwise.
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*/
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bool put(GLuint fbo);
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/**
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* Clears the cache. This causes all FBOs to be deleted.
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*/
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void clear();
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/**
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* Returns the current size of the cache.
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*/
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uint32_t getSize();
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/**
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* Returns the maximum number of FBOs that the cache can hold.
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*/
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uint32_t getMaxSize();
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private:
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SortedVector<GLuint> mCache;
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uint32_t mMaxSize;
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}; // class FboCache
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}; // namespace uirenderer
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}; // namespace android
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#endif // ANDROID_HWUI_FBO_CACHE_H
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