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/*
* Copyright (C) 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EGLImageLayerCompositingThreadClient_h
#define EGLImageLayerCompositingThreadClient_h
#if USE(ACCELERATED_COMPOSITING)
#include "LayerCompositingThreadClient.h"
#include "Texture.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#include <wtf/ThreadSafeRefCounted.h>
namespace WebCore {
class LayerCompositingThread;
class EGLImageLayerCompositingThreadClient : public ThreadSafeRefCounted<EGLImageLayerCompositingThreadClient>, public LayerCompositingThreadClient {
public:
static PassRefPtr<EGLImageLayerCompositingThreadClient> create()
{
return adoptRef(new EGLImageLayerCompositingThreadClient());
}
virtual ~EGLImageLayerCompositingThreadClient();
virtual void layerCompositingThreadDestroyed(LayerCompositingThread*)
{
deref(); // Matched by ref() in constructor
}
virtual void layerVisibilityChanged(LayerCompositingThread*, bool visible) { }
virtual void uploadTexturesIfNeeded(LayerCompositingThread*);
virtual void drawTextures(LayerCompositingThread*, double scale, int positionLocation, int texCoordLocation);
virtual void deleteTextures(LayerCompositingThread*);
virtual void bindContentsTexture(LayerCompositingThread*);
// The image must not be deleted while in our custody, however after changing image you are free to delete the old one.
void setImage(void*);
private:
EGLImageLayerCompositingThreadClient()
: m_image(0)
, m_imageChanged(false)
{
ref(); // Matched by deref() in layerCompositingThreadDestroyed()
}
void* m_image;
bool m_imageChanged;
RefPtr<Texture> m_texture;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // EGLImageLayerCompositingThreadClient_h
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