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/*
* 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_