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| 1 /* |
| 2 * Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license |
| 5 * that can be found in the LICENSE file in the root of the source |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #ifndef WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_CONTEXT_H_ |
| 12 #define WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_CONTEXT_H_ |
| 13 |
| 14 #include <vector> |
| 15 #include "webrtc/modules/desktop_capture/desktop_region.h" |
| 16 |
| 17 namespace webrtc { |
| 18 |
| 19 // A DxgiOutputContext stores the status of a single DxgiFrame of |
| 20 // DxgiOutputDuplicator. |
| 21 struct DxgiOutputContext final { |
| 22 // The updated region DxgiOutputDuplicator::DetectUpdatedRegion() output |
| 23 // during last Duplicate() function call. It's always relative to the (0, 0). |
| 24 DesktopRegion updated_region; |
| 25 }; |
| 26 |
| 27 // A DxgiAdapterContext stores the status of a single DxgiFrame of |
| 28 // DxgiAdapterDuplicator. |
| 29 struct DxgiAdapterContext final { |
| 30 DxgiAdapterContext(); |
| 31 DxgiAdapterContext(const DxgiAdapterContext& other); |
| 32 ~DxgiAdapterContext(); |
| 33 |
| 34 // Child DxgiOutputContext belongs to this AdapterContext. |
| 35 std::vector<DxgiOutputContext> contexts; |
| 36 }; |
| 37 |
| 38 // A DxgiFrameContext stores the status of a single DxgiFrame of |
| 39 // DxgiDuplicatorController. |
| 40 struct DxgiFrameContext final { |
| 41 public: |
| 42 DxgiFrameContext(); |
| 43 // Unregister this Context instance from DxgiDuplicatorController during |
| 44 // destructing. |
| 45 ~DxgiFrameContext(); |
| 46 |
| 47 // Reset current Context, so it will be reinitialized next time. |
| 48 void Reset(); |
| 49 |
| 50 // A Context will have an exactly same |controller_id| as |
| 51 // DxgiDuplicatorController, to ensure it has been correctly setted up after |
| 52 // each DxgiDuplicatorController::Initialize(). |
| 53 int controller_id = 0; |
| 54 |
| 55 // Child DxgiAdapterContext belongs to this DxgiFrameContext. |
| 56 std::vector<DxgiAdapterContext> contexts; |
| 57 }; |
| 58 |
| 59 } // namespace webrtc |
| 60 |
| 61 #endif // WEBRTC_MODULES_DESKTOP_CAPTURE_WIN_DXGI_CONTEXT_H_ |
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