48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_DESKTOP_CAPTURE_WIN_DXGI_TEXTURE_MAPPING_H_
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#define MODULES_DESKTOP_CAPTURE_WIN_DXGI_TEXTURE_MAPPING_H_
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#include <d3d11.h>
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#include <dxgi1_2.h>
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#include "modules/desktop_capture/desktop_geometry.h"
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#include "modules/desktop_capture/desktop_region.h"
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#include "modules/desktop_capture/win/dxgi_texture.h"
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namespace webrtc {
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// A DxgiTexture which directly maps bitmap from IDXGIResource. This class is
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// used when DXGI_OUTDUPL_DESC.DesktopImageInSystemMemory is true. (This usually
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// means the video card shares main memory with CPU, instead of having its own
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// individual memory.)
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class DxgiTextureMapping : public DxgiTexture {
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public:
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// Creates a DxgiTextureMapping instance. Caller must maintain the lifetime
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// of input |duplication| to make sure it outlives this instance.
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explicit DxgiTextureMapping(IDXGIOutputDuplication* duplication);
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~DxgiTextureMapping() override;
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protected:
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bool CopyFromTexture(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
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ID3D11Texture2D* texture) override;
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bool DoRelease() override;
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private:
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IDXGIOutputDuplication* const duplication_;
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};
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} // namespace webrtc
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#endif // MODULES_DESKTOP_CAPTURE_WIN_DXGI_TEXTURE_MAPPING_H_
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