/usr/include/thunderbird/D3D9SurfaceImage.h is in thunderbird-dev 1:24.4.0+build1-0ubuntu1.
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* 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 GFX_D3DSURFACEIMAGE_H
#define GFX_D3DSURFACEIMAGE_H
#include "mozilla/RefPtr.h"
#include "ImageContainer.h"
#include "nsAutoPtr.h"
#include "d3d9.h"
namespace mozilla {
namespace layers {
// Image class that wraps a IDirect3DSurface9. This class copies the image
// passed into SetData(), so that it can be accessed from other D3D devices.
// This class also manages the synchronization of the copy, to ensure the
// resource is ready to use.
class D3D9SurfaceImage : public Image {
public:
struct Data {
Data(IDirect3DSurface9* aSurface, const nsIntRect& aRegion)
: mSurface(aSurface), mRegion(aRegion) {}
RefPtr<IDirect3DSurface9> mSurface;
nsIntRect mRegion;
};
D3D9SurfaceImage() : Image(NULL, D3D9_RGB32_TEXTURE), mSize(0, 0) {}
virtual ~D3D9SurfaceImage() {}
// Copies the surface into a sharable texture's surface, and initializes
// the image.
HRESULT SetData(const Data& aData);
// Returns the description of the shared surface.
const D3DSURFACE_DESC& GetDesc() const;
// Returns the HANDLE that can be used to open the image as a shared resource.
// If the operation to copy the original resource to the shared resource
// hasn't finished yet, this function blocks until the synchronization is
// complete.
HANDLE GetShareHandle();
gfxIntSize GetSize() MOZ_OVERRIDE;
already_AddRefed<gfxASurface> GetAsSurface() MOZ_OVERRIDE;
private:
// Blocks the calling thread until the copy operation started in SetData()
// is complete, whereupon the texture is safe to use.
void EnsureSynchronized();
gfxIntSize mSize;
RefPtr<IDirect3DTexture9> mTexture;
RefPtr<IDirect3DQuery9> mQuery;
HANDLE mShareHandle;
D3DSURFACE_DESC mDesc;
};
} // namepace layers
} // namespace mozilla
#endif // GFX_D3DSURFACEIMAGE_H
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