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Diffstat (limited to 'third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.h')
-rw-r--r-- | third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.h b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.h new file mode 100644 index 0000000000..59c2112db5 --- /dev/null +++ b/third_party/libwebrtc/modules/desktop_capture/win/dxgi_context.h @@ -0,0 +1,62 @@ +/* + * Copyright (c) 2017 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_CONTEXT_H_ +#define MODULES_DESKTOP_CAPTURE_WIN_DXGI_CONTEXT_H_ + +#include <vector> + +#include "modules/desktop_capture/desktop_region.h" + +namespace webrtc { + +// A DxgiOutputContext stores the status of a single DxgiFrame of +// DxgiOutputDuplicator. +struct DxgiOutputContext final { + // The updated region DxgiOutputDuplicator::DetectUpdatedRegion() output + // during last Duplicate() function call. It's always relative to the (0, 0). + DesktopRegion updated_region; +}; + +// A DxgiAdapterContext stores the status of a single DxgiFrame of +// DxgiAdapterDuplicator. +struct DxgiAdapterContext final { + DxgiAdapterContext(); + DxgiAdapterContext(const DxgiAdapterContext& other); + ~DxgiAdapterContext(); + + // Child DxgiOutputContext belongs to this AdapterContext. + std::vector<DxgiOutputContext> contexts; +}; + +// A DxgiFrameContext stores the status of a single DxgiFrame of +// DxgiDuplicatorController. +struct DxgiFrameContext final { + public: + DxgiFrameContext(); + // Unregister this Context instance from DxgiDuplicatorController during + // destructing. + ~DxgiFrameContext(); + + // Reset current Context, so it will be reinitialized next time. + void Reset(); + + // A Context will have an exactly same `controller_id` as + // DxgiDuplicatorController, to ensure it has been correctly setted up after + // each DxgiDuplicatorController::Initialize(). + int controller_id = 0; + + // Child DxgiAdapterContext belongs to this DxgiFrameContext. + std::vector<DxgiAdapterContext> contexts; +}; + +} // namespace webrtc + +#endif // MODULES_DESKTOP_CAPTURE_WIN_DXGI_CONTEXT_H_ |