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73 lines
2.3 KiB
C++
73 lines
2.3 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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#include "mozilla/layers/TextureD3D11.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 D3D11RecycleAllocator : public TextureClientRecycleAllocator
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{
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public:
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explicit D3D11RecycleAllocator(CompositableForwarder* aAllocator,
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ID3D11Device* 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<ID3D11Device> mDevice;
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};
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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 final : public Image {
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public:
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D3D11ShareHandleImage(const gfx::IntSize& aSize,
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const gfx::IntRect& aRect);
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~D3D11ShareHandleImage() override {}
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bool AllocateTexture(D3D11RecycleAllocator* aAllocator);
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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 gfx::IntRect GetPictureRect() override { return mPictureRect; }
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ID3D11Texture2D* GetTexture() const;
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private:
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gfx::IntSize mSize;
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gfx::IntRect mPictureRect;
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RefPtr<TextureClient> mTextureClient;
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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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