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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h new file mode 100644 index 0000000000..a663b95a04 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_texture.h @@ -0,0 +1,73 @@ +/* + * 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_H_ +#define MODULES_DESKTOP_CAPTURE_WIN_DXGI_TEXTURE_H_ + +#include <d3d11.h> +#include <dxgi1_2.h> + +#include <memory> + +#include "modules/desktop_capture/desktop_frame.h" +#include "modules/desktop_capture/desktop_geometry.h" + +namespace webrtc { + +class DesktopRegion; + +// A texture copied or mapped from a DXGI_OUTDUPL_FRAME_INFO and IDXGIResource. +class DxgiTexture { + public: + // Creates a DxgiTexture instance, which represents the `desktop_size` area of + // entire screen -- usually a monitor on the system. + DxgiTexture(); + + virtual ~DxgiTexture(); + + // Copies selected regions of a frame represented by frame_info and resource. + // Returns false if anything wrong. + bool CopyFrom(const DXGI_OUTDUPL_FRAME_INFO& frame_info, + IDXGIResource* resource); + + const DesktopSize& desktop_size() const { return desktop_size_; } + + uint8_t* bits() const { return static_cast<uint8_t*>(rect_.pBits); } + + int pitch() const { return static_cast<int>(rect_.Pitch); } + + // Releases the resource currently holds by this instance. Returns false if + // anything wrong, and this instance should be deprecated in this state. bits, + // pitch and AsDesktopFrame are only valid after a success CopyFrom() call, + // but before Release() call. + bool Release(); + + // Returns a DesktopFrame snapshot of a DxgiTexture instance. This + // DesktopFrame is used to copy a DxgiTexture content to another DesktopFrame + // only. And it should not outlive its DxgiTexture instance. + const DesktopFrame& AsDesktopFrame(); + + protected: + DXGI_MAPPED_RECT* rect(); + + virtual bool CopyFromTexture(const DXGI_OUTDUPL_FRAME_INFO& frame_info, + ID3D11Texture2D* texture) = 0; + + virtual bool DoRelease() = 0; + + private: + DXGI_MAPPED_RECT rect_ = {0}; + DesktopSize desktop_size_; + std::unique_ptr<DesktopFrame> frame_; +}; + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_WIN_DXGI_TEXTURE_H_ |