зеркало из https://github.com/mozilla/gecko-dev.git
136 строки
3.9 KiB
C++
136 строки
3.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_D3DSURFACEIMAGE_H
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#define GFX_D3DSURFACEIMAGE_H
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#include "mozilla/RefPtr.h"
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#include "ImageContainer.h"
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#include "d3d9.h"
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#include "mozilla/layers/TextureClientRecycleAllocator.h"
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namespace mozilla {
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namespace layers {
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class TextureClient;
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class D3D9RecycleAllocator : public TextureClientRecycleAllocator
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{
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public:
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explicit D3D9RecycleAllocator(KnowsCompositor* aAllocator,
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IDirect3DDevice9* aDevice)
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: TextureClientRecycleAllocator(aAllocator)
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, mDevice(aDevice)
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{}
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already_AddRefed<TextureClient>
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CreateOrRecycleClient(gfx::SurfaceFormat aFormat,
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const gfx::IntSize& aSize);
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protected:
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virtual already_AddRefed<TextureClient>
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Allocate(gfx::SurfaceFormat aFormat,
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gfx::IntSize aSize,
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BackendSelector aSelector,
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TextureFlags aTextureFlags,
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TextureAllocationFlags aAllocFlags) override;
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RefPtr<IDirect3DDevice9> mDevice;
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};
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/**
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* Wraps a D3D9 texture, shared with the compositor though DXGI.
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* At the moment it is only used with D3D11 compositing, and the corresponding
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* TextureHost is DXGITextureHostD3D11.
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*/
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class DXGID3D9TextureData : public TextureData
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{
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public:
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static DXGID3D9TextureData*
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Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat, TextureFlags aFlags, IDirect3DDevice9* aDevice);
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~DXGID3D9TextureData();
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virtual void FillInfo(TextureData::Info& aInfo) const override;
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virtual bool Lock(OpenMode) override { return true; }
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virtual void Unlock() override {}
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virtual bool Serialize(SurfaceDescriptor& aOutDescriptor) override;
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virtual void Deallocate(LayersIPCChannel* aAllocator) override {}
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IDirect3DDevice9* GetD3D9Device() { return mDevice; }
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IDirect3DTexture9* GetD3D9Texture() { return mTexture; }
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HANDLE GetShareHandle() const { return mHandle; }
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already_AddRefed<IDirect3DSurface9> GetD3D9Surface() const;
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const D3DSURFACE_DESC& GetDesc() const
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{
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return mDesc;
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}
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gfx::IntSize GetSize() const { return gfx::IntSize(mDesc.Width, mDesc.Height); }
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protected:
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DXGID3D9TextureData(gfx::SurfaceFormat aFormat,
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IDirect3DTexture9* aTexture, HANDLE aHandle,
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IDirect3DDevice9* aDevice);
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RefPtr<IDirect3DDevice9> mDevice;
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RefPtr<IDirect3DTexture9> mTexture;
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gfx::SurfaceFormat mFormat;
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HANDLE mHandle;
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D3DSURFACE_DESC mDesc;
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};
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// Image class that wraps a IDirect3DSurface9. This class copies the image
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// passed into SetData(), so that it can be accessed from other D3D devices.
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// This class also manages the synchronization of the copy, to ensure the
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// resource is ready to use.
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class D3D9SurfaceImage : public Image {
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public:
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explicit D3D9SurfaceImage();
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virtual ~D3D9SurfaceImage();
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HRESULT AllocateAndCopy(D3D9RecycleAllocator* aAllocator,
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IDirect3DSurface9* aSurface,
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const gfx::IntRect& aRegion);
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// Returns the description of the shared surface.
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const D3DSURFACE_DESC& GetDesc() const;
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gfx::IntSize GetSize() override;
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virtual already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
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virtual TextureClient* GetTextureClient(KnowsCompositor* aForwarder) override;
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already_AddRefed<IDirect3DSurface9> GetD3D9Surface();
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HANDLE GetShareHandle() const;
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virtual bool IsValid() override { return mValid; }
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void Invalidate() { mValid = false; }
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private:
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gfx::IntSize mSize;
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RefPtr<TextureClient> mTextureClient;
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RefPtr<IDirect3DTexture9> mTexture;
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HANDLE mShareHandle;
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D3DSURFACE_DESC mDesc;
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bool mValid;
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};
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} // namepace layers
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} // namespace mozilla
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#endif // GFX_D3DSURFACEIMAGE_H
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