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