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Diffstat (limited to 'third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.h')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.h b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.h new file mode 100644 index 0000000000..71f00b99ab --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture_mapping.h @@ -0,0 +1,47 @@ +/* + * 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_ |