mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
48 lines
1.7 KiB
C
48 lines
1.7 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 GFXSHMCOWSURFACEWRAPPER
|
||
|
#define GFXSHMCOWSURFACEWRAPPER
|
||
|
|
||
|
#include "gfxReusableSurfaceWrapper.h"
|
||
|
#include "mozilla/layers/ISurfaceAllocator.h"
|
||
|
|
||
|
class gfxSharedImageSurface;
|
||
|
|
||
|
/**
|
||
|
* A cross-process capable implementation of gfxReusableSurfaceWrapper based
|
||
|
* on gfxSharedImageSurface.
|
||
|
*/
|
||
|
class gfxReusableSharedImageSurfaceWrapper : public gfxReusableSurfaceWrapper {
|
||
|
public:
|
||
|
gfxReusableSharedImageSurfaceWrapper(mozilla::layers::ISurfaceAllocator* aAllocator,
|
||
|
gfxSharedImageSurface* aSurface);
|
||
|
~gfxReusableSharedImageSurfaceWrapper();
|
||
|
|
||
|
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;
|
||
|
|
||
|
/**
|
||
|
* Returns the shared memory segment that backs the shared image surface.
|
||
|
*/
|
||
|
mozilla::ipc::Shmem& GetShmem();
|
||
|
|
||
|
/**
|
||
|
* Create a gfxReusableSurfaceWrapper from the shared memory segment of a
|
||
|
* gfxSharedImageSurface. A ReadLock must be held, which will be adopted by
|
||
|
* the returned gfxReusableSurfaceWrapper.
|
||
|
*/
|
||
|
static already_AddRefed<gfxReusableSharedImageSurfaceWrapper>
|
||
|
Open(mozilla::layers::ISurfaceAllocator* aAllocator, const mozilla::ipc::Shmem& aShmem);
|
||
|
|
||
|
private:
|
||
|
mozilla::layers::ISurfaceAllocator* mAllocator;
|
||
|
nsRefPtr<gfxSharedImageSurface> mSurface;
|
||
|
};
|
||
|
|
||
|
#endif // GFXSHMCOWSURFACEWRAPPER
|