59 lines
917 B
C++
59 lines
917 B
C++
#ifndef MEMORYCACHE_H
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#define MEMORYCACHE_H
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#include <QList>
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#include <QMutex>
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#include "framebufferobject.h"
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class MemoryCache
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{
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public:
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class Reference {
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public:
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Reference(MemoryCache* cache);
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~Reference();
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FramebufferObject* buffer();
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void Relinquish();
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private:
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void Request();
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MemoryCache* cache_;
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int buffer_;
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};
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MemoryCache();
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~MemoryCache();
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void SetParameters(QOpenGLContext* ctx, int width, int height);
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private:
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int RequestBuffer(Reference *r);
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int RequestBufferInternal(Reference *r);
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void RelinquishBuffer(int index);
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FramebufferObject *Buffer(int index);
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bool OutOfMemory();
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void Clear();
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QList<FramebufferObject> buffers_;
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QList<Reference*> refs_;
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QList<time_t> access_times_;
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QOpenGLContext* ctx_;
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QList<int> relinquished_buffers_;
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int width_;
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int height_;
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QMutex buffer_array_mutex_;
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};
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#endif // MEMORYCACHE_H
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