C++ (Cpp) PlatformAllocBufferの例

コード例 #1

ファイル: ShadowLayerUtilsX11.cpp プロジェクト: typ4rk/mozilla-history

bool
ShadowLayerForwarder::PlatformAllocDoubleBuffer(const gfxIntSize& aSize,
                                                gfxASurface::gfxContentType aContent,
                                                SurfaceDescriptor* aFrontBuffer,
                                                SurfaceDescriptor* aBackBuffer)
{
  return (PlatformAllocBuffer(aSize, aContent, aFrontBuffer) &&
          PlatformAllocBuffer(aSize, aContent, aBackBuffer));
}

コード例 #2

bool
ShadowLayerForwarder::AllocBuffer(const gfxIntSize& aSize,
                                  gfxASurface::gfxContentType aContent,
                                  SurfaceDescriptor* aBuffer)
{
  bool tryPlatformSurface = true;
#ifdef DEBUG
  tryPlatformSurface = !PR_GetEnv("MOZ_LAYERS_FORCE_SHMEM_SURFACES");
#endif
  if (tryPlatformSurface &&
      PlatformAllocBuffer(aSize, aContent, aBuffer)) {
    return true;
  }

  nsRefPtr<gfxSharedImageSurface> buffer;
  if (!AllocBuffer(aSize, aContent,
                   getter_AddRefs(buffer)))
    return false;

  *aBuffer = buffer->GetShmem();
  return true;
}