зеркало из https://github.com/mozilla/gecko-dev.git
103 строки
2.9 KiB
C++
103 строки
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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 "nsAutoPtr.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 SharedTextureClientD3D9;
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class D3D9RecycleAllocator : public TextureClientRecycleAllocator
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{
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public:
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explicit D3D9RecycleAllocator(CompositableForwarder* 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<SharedTextureClientD3D9>
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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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// 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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struct Data {
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Data(IDirect3DSurface9* aSurface,
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const gfx::IntRect& aRegion,
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D3D9RecycleAllocator* aAllocator,
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bool aIsFirstFrame)
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: mSurface(aSurface)
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, mRegion(aRegion)
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, mAllocator(aAllocator)
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, mIsFirstFrame(aIsFirstFrame)
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{}
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RefPtr<IDirect3DSurface9> mSurface;
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gfx::IntRect mRegion;
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RefPtr<D3D9RecycleAllocator> mAllocator;
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bool mIsFirstFrame;
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};
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D3D9SurfaceImage();
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virtual ~D3D9SurfaceImage();
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// Copies the surface into a sharable texture's surface, and initializes
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// the image.
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HRESULT SetData(const Data& aData);
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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(CompositableClient* aClient) override;
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virtual bool IsValid() override;
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private:
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// Blocks the calling thread until the copy operation started in SetData()
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// is complete, whereupon the texture is safe to use.
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void EnsureSynchronized();
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gfx::IntSize mSize;
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RefPtr<IDirect3DQuery9> mQuery;
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RefPtr<SharedTextureClientD3D9> mTextureClient;
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bool mValid;
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bool mIsFirstFrame;
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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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