/*static*/ already_AddRefed<gfxASurface>
ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode aMode,
const SurfaceDescriptor& aSurface)
{
if (SurfaceDescriptor::TShmem != aSurface.type()) {
return nullptr;
}
return gfxSharedQuartzSurface::Open(aSurface.get_Shmem());
}
/*static*/ already_AddRefed<gfxASurface>
ShadowLayerForwarder::OpenDescriptor(const SurfaceDescriptor& aSurface)
{
nsRefPtr<gfxASurface> surf = PlatformOpenDescriptor(aSurface);
if (surf) {
return surf.forget();
}
switch (aSurface.type()) {
case SurfaceDescriptor::TShmem: {
surf = gfxSharedImageSurface::Open(aSurface.get_Shmem());
return surf.forget();
}
default:
NS_RUNTIMEABORT("unexpected SurfaceDescriptor type!");
return nsnull;
}
}
/*static*/ already_AddRefed<gfxASurface>
ShadowLayerForwarder::PlatformOpenDescriptor(OpenMode aMode,
const SurfaceDescriptor& aSurface)
{
if (aSurface.type() == SurfaceDescriptor::TShmem) {
return gfxSharedQuartzSurface::Open(aSurface.get_Shmem());
} else if (aSurface.type() == SurfaceDescriptor::TMemoryImage) {
const MemoryImage& image = aSurface.get_MemoryImage();
gfxASurface::gfxImageFormat format
= static_cast<gfxASurface::gfxImageFormat>(image.format());
nsRefPtr<gfxASurface> surf =
new gfxQuartzSurface((unsigned char*)image.data(),
image.size(),
image.stride(),
format);
return surf.forget();
}
return nullptr;
}