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/*
* Copyright 2012, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef CanvasTexture_h
#define CanvasTexture_h
#if USE(ACCELERATED_COMPOSITING)
#include "CanvasLayer.h"
#include <wtf/RefPtr.h>
#include <utils/threads.h>
namespace android {
class SurfaceTexture;
class SurfaceTextureClient;
}
namespace WebCore {
class CanvasTexture : public ThreadSafeRefCounted<CanvasTexture> {
public:
/********************************************
* Called by both threads
********************************************/
static PassRefPtr<CanvasTexture> getCanvasTexture(CanvasLayer* layer);
bool setHwAccelerated(bool hwAccelerated);
/********************************************
* Called by WebKit thread
********************************************/
void setSize(const IntSize& size);
SurfaceTextureClient* nativeWindow();
bool uploadImageBuffer(ImageBuffer* imageBuffer);
bool hasValidTexture() { return m_hasValidTexture; }
/********************************************
* Called by UI thread WITH GL context
********************************************/
virtual ~CanvasTexture();
void requireTexture();
GLuint texture() { requireTexture(); return m_texture; }
bool updateTexImage();
private:
/********************************************
* Called by both threads
********************************************/
void destroySurfaceTextureLocked();
/********************************************
* Called by WebKit thread
********************************************/
CanvasTexture(int layerId);
bool useSurfaceTexture();
IntSize m_size;
int m_layerId;
GLuint m_texture;
android::Mutex m_surfaceLock;
sp<android::SurfaceTexture> m_surfaceTexture;
sp<android::SurfaceTextureClient> m_ANW;
bool m_hasValidTexture;
bool m_useHwAcceleration;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // CanvasTexture_h
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