100 lines
3.4 KiB
C++
Executable File
100 lines
3.4 KiB
C++
Executable File
/*
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* GPUImage-x
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*
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* Copyright (C) 2017 Yijin Wang, Yiqian Wang
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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 FramebufferCache_hpp
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#define FramebufferCache_hpp
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#include "GPUImageMacros.h"
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#include "Framebuffer.hpp"
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#include <string>
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#include <map>
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#if defined(__APPLE__)
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#define useCVFramebuffer true //默认关闭 调试的时候再打开，因为CVPixelBuffer 回收较慢会阻塞CPU
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#else
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#define useCVFramebuffer false
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#endif
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namespace QImage {
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class Context;
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class FramebufferCache {
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public:
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FramebufferCache(Context *context);
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~FramebufferCache();
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Framebuffer* fetchFramebuffer(Context *context,
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int width,
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int height,
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bool onlyTexture = false,
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const TextureAttributes textureAttributes =
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Framebuffer::defaultTextureAttribures,
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#if defined(__APPLE__)
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bool useTextureCache = useCVFramebuffer);
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#else
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bool useTextureCache = false);
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#endif
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/// 通过外部传入的TextureId生成FBO
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/// @param width 宽
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/// @param height 高
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/// @param textureId textureId
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Framebuffer* fetchFramebufferUseTextureId(Context *context,
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int width,
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int height,
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int textureId,
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bool onlyTexture = false,
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const TextureAttributes textureAttributes = Framebuffer::defaultTextureAttribures,
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#if defined(__APPLE__)
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bool useTextureCache = useCVFramebuffer);
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#else
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bool useTextureCache = false);
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#endif
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void returnFramebuffer(Framebuffer* framebuffer, int maxCacheSize = 1);
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void forceCleanFramebuffer(Framebuffer* framebuffer);
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void purge(bool force = false);
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void clearCache();
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std::map<std::string, Framebuffer*> allCaches() {
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return _framebuffers;
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}
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std::map<std::string, std::map<std::string, int>> allCachesTypeMap() {
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return _framebufferTypeMap;
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}
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private:
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std::string _getHash(int width,
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int height,
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bool onlyTexture,
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const TextureAttributes textureAttributes,
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bool useTextureCache) const;
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Framebuffer* _getFramebufferByHash(const std::string& hash);
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std::map<std::string, Framebuffer*> _framebuffers;
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std::map<std::string, std::map<std::string, int>> _framebufferTypeMap;
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Context *_context;
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};
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}
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#endif /* FramebufferCache_hpp */
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