itsmattkc
91c7d8aa4d
Creating and destroying textures is a slow process, particularly when we can re-use them throughout most of the render chain. We now keep them stored so they can be re-used which improves performance substantially.
54 lines
978 B
C++
54 lines
978 B
C++
#ifndef OPENGLTEXTURECACHE_H
|
|
#define OPENGLTEXTURECACHE_H
|
|
|
|
#include <QMutex>
|
|
|
|
#include "openglframebuffer.h"
|
|
#include "opengltexture.h"
|
|
#include "render/videoparams.h"
|
|
|
|
class OpenGLTextureCache
|
|
{
|
|
public:
|
|
class Reference {
|
|
public:
|
|
Reference(OpenGLTextureCache* parent, OpenGLTexturePtr texture);
|
|
~Reference();
|
|
|
|
DISABLE_COPY_MOVE(Reference)
|
|
|
|
OpenGLTexturePtr texture();
|
|
|
|
void ParentKilled();
|
|
|
|
private:
|
|
OpenGLTextureCache* parent_;
|
|
|
|
OpenGLTexturePtr texture_;
|
|
};
|
|
|
|
using ReferencePtr = std::shared_ptr<Reference>;
|
|
|
|
OpenGLTextureCache() = default;
|
|
|
|
~OpenGLTextureCache();
|
|
|
|
DISABLE_COPY_MOVE(OpenGLTextureCache)
|
|
|
|
ReferencePtr Get(const VideoRenderingParams& params, const void *data = nullptr);
|
|
|
|
private:
|
|
void Relinquish(Reference* ref);
|
|
|
|
QMutex lock_;
|
|
|
|
QList<OpenGLTexturePtr> available_textures_;
|
|
|
|
QList<Reference*> existing_references_;
|
|
|
|
};
|
|
|
|
Q_DECLARE_METATYPE(OpenGLTextureCache::ReferencePtr)
|
|
|
|
#endif // OPENGLTEXTURECACHE_H
|