gecko-dev/gfx/layers/D3D9SurfaceImage.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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:
D3D9RecycleAllocator(KnowsCompositor* aAllocator, IDirect3DDevice9* aDevice)
: TextureClientRecycleAllocator(aAllocator), mDevice(aDevice) {}
already_AddRefed<TextureClient> CreateOrRecycleClient(
gfx::SurfaceFormat aFormat, const gfx::IntSize& aSize);
protected:
already_AddRefed<TextureClient> Allocate(
gfx::SurfaceFormat aFormat, gfx::IntSize aSize, BackendSelector aSelector,
TextureFlags aTextureFlags, TextureAllocationFlags aAllocFlags) override;
RefPtr<IDirect3DDevice9> mDevice;
};
/**
* Wraps a D3D9 texture, shared with the compositor though DXGI.
* At the moment it is only used with D3D11 compositing, and the corresponding
* TextureHost is DXGITextureHostD3D11.
*/
class DXGID3D9TextureData : public TextureData {
public:
static DXGID3D9TextureData* Create(gfx::IntSize aSize,
gfx::SurfaceFormat aFormat,
TextureFlags aFlags,
IDirect3DDevice9* aDevice);
virtual ~DXGID3D9TextureData();
void FillInfo(TextureData::Info& aInfo) const override;
bool Lock(OpenMode) override { return true; }
void Unlock() override {}
bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
void Deallocate(LayersIPCChannel* aAllocator) override {}
IDirect3DDevice9* GetD3D9Device() { return mDevice; }
IDirect3DTexture9* GetD3D9Texture() { return mTexture; }
HANDLE GetShareHandle() const { return mHandle; }
already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
const D3DSURFACE_DESC& GetDesc() const { return mDesc; }
gfx::IntSize GetSize() const {
return gfx::IntSize(mDesc.Width, mDesc.Height);
}
protected:
DXGID3D9TextureData(gfx::SurfaceFormat aFormat, IDirect3DTexture9* aTexture,
HANDLE aHandle, IDirect3DDevice9* aDevice);
RefPtr<IDirect3DDevice9> mDevice;
RefPtr<IDirect3DTexture9> mTexture;
gfx::SurfaceFormat mFormat;
HANDLE mHandle;
D3DSURFACE_DESC mDesc;
};
// 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:
D3D9SurfaceImage();
virtual ~D3D9SurfaceImage();
HRESULT AllocateAndCopy(D3D9RecycleAllocator* aAllocator,
IDirect3DSurface9* aSurface,
const gfx::IntRect& aRegion);
// Returns the description of the shared surface.
gfx::IntSize GetSize() const override;
already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
HANDLE GetShareHandle() const;
bool IsValid() const override { return mValid; }
void Invalidate() { mValid = false; }
private:
gfx::IntSize mSize;
RefPtr<TextureClient> mTextureClient;
RefPtr<IDirect3DTexture9> mTexture;
HANDLE mShareHandle;
D3DSURFACE_DESC mDesc;
bool mValid;
};
} // namespace layers
} // namespace mozilla
#endif // GFX_D3DSURFACEIMAGE_H