зеркало из https://github.com/mozilla/gecko-dev.git
72 строки
2.1 KiB
C++
72 строки
2.1 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_D311_SHARE_HANDLE_IMAGE_H
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#define GFX_D311_SHARE_HANDLE_IMAGE_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 "d3d11.h"
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#include "mozilla/layers/TextureClient.h"
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namespace mozilla {
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namespace layers {
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// Image class that wraps a ID3D11Texture2D. 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 D3D11ShareHandleImage : public Image {
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public:
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struct Data {
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Data(ID3D11Texture2D* aTexture,
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ID3D11Device* aDevice,
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ID3D11DeviceContext* aContext,
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const gfx::IntRect& aRegion)
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: mTexture(aTexture),
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mDevice(aDevice),
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mContext(aContext),
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mRegion(aRegion) {}
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RefPtr<ID3D11Texture2D> mTexture;
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RefPtr<ID3D11Device> mDevice;
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RefPtr<ID3D11DeviceContext> mContext;
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gfx::IntRect mRegion;
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};
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D3D11ShareHandleImage() : Image(NULL, ImageFormat::D3D11_SHARE_HANDLE_TEXTURE), mSize(0, 0) {}
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virtual ~D3D11ShareHandleImage() {}
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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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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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ID3D11Texture2D* GetTexture() const;
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virtual gfx::IntRect GetPictureRect() override { return mPictureRect; }
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private:
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gfx::IntSize mSize;
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gfx::IntRect mPictureRect;
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RefPtr<ID3D11Texture2D> mTexture;
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RefPtr<TextureClient> mTextureClient;
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HANDLE mShareHandle;
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gfx::SurfaceFormat mFormat;
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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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