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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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 "d3d9.h"
#include "mozilla/layers/TextureClientRecycleAllocator.h"
namespace mozilla {
namespace layers {
class TextureClient;
class D3D9RecycleAllocator : public TextureClientRecycleAllocator
{
public:
explicit D3D9RecycleAllocator(KnowsCompositor* aAllocator,
IDirect3DDevice9* aDevice)
: TextureClientRecycleAllocator(aAllocator)
, mDevice(aDevice)
{}
already_AddRefed<TextureClient>
CreateOrRecycleClient(gfx::SurfaceFormat aFormat,
const gfx::IntSize& aSize);
protected:
virtual already_AddRefed<TextureClient>
Allocate(gfx::SurfaceFormat aFormat,
gfx::IntSize aSize,
BackendSelector aSelector,
TextureFlags aTextureFlags,
TextureAllocationFlags aAllocFlags) override;
RefPtr<IDirect3DDevice9> mDevice;
};
// 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:
explicit D3D9SurfaceImage();
virtual ~D3D9SurfaceImage();
HRESULT AllocateAndCopy(D3D9RecycleAllocator* aAllocator,
IDirect3DSurface9* aSurface,
const gfx::IntRect& aRegion);
// Returns the description of the shared surface.
const D3DSURFACE_DESC& GetDesc() const;
gfx::IntSize GetSize() override;
virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
virtual TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override;
already_AddRefed<IDirect3DSurface9> GetD3D9Surface();
HANDLE GetShareHandle() const;
virtual bool IsValid() override { return mValid; }
void Invalidate() { mValid = false; }
private:
gfx::IntSize mSize;
RefPtr<TextureClient> mTextureClient;
RefPtr<IDirect3DTexture9> mTexture;
HANDLE mShareHandle;
D3DSURFACE_DESC mDesc;
bool mValid;
};
} // namepace layers
} // namespace mozilla
#endif // GFX_D3DSURFACEIMAGE_H
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