gecko/gfx/thebes/gfxReusableImageSurfaceWrapper.h
Chris Lord ce468943a9 Bug 747811 - Add gfxReusableImageSurfaceWrapper. r=BenWa
Add an implementation of gfxReusableSurfaceWrapper based on gfxImageSurface
and use it on Android to avoid the overhead of shared memory.
2013-08-19 14:59:27 +01:00

37 lines
1.0 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFXMEMCOWSURFACEWRAPPER
#define GFXMEMCOWSURFACEWRAPPER
#include "gfxReusableSurfaceWrapper.h"
class gfxImageSurface;
/**
* A cross-thread capable implementation of gfxReusableSurfaceWrapper based
* on gfxImageSurface.
*/
class gfxReusableImageSurfaceWrapper : public gfxReusableSurfaceWrapper {
public:
gfxReusableImageSurfaceWrapper(gfxImageSurface* aSurface);
~gfxReusableImageSurfaceWrapper();
const unsigned char* GetReadOnlyData() const MOZ_OVERRIDE;
gfxASurface::gfxImageFormat Format() MOZ_OVERRIDE;
gfxReusableSurfaceWrapper* GetWritable(gfxImageSurface** aSurface) MOZ_OVERRIDE;
void ReadLock() MOZ_OVERRIDE;
void ReadUnlock() MOZ_OVERRIDE;
Type GetType()
{
return TYPE_IMAGE;
}
private:
nsRefPtr<gfxImageSurface> mSurface;
};
#endif // GFXMEMCOWSURFACEWRAPPER