| /* |
| * 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. |
| */ |
| |
| #include "webrtc/modules/desktop_capture/win/dxgi_texture_mapping.h" |
| |
| #include <comdef.h> |
| #include <DXGI.h> |
| #include <DXGI1_2.h> |
| |
| #include "webrtc/base/checks.h" |
| #include "webrtc/base/logging.h" |
| |
| namespace webrtc { |
| |
| DxgiTextureMapping::DxgiTextureMapping(IDXGIOutputDuplication* duplication) |
| : duplication_(duplication) { |
| RTC_DCHECK(duplication_); |
| } |
| |
| DxgiTextureMapping::~DxgiTextureMapping() = default; |
| |
| bool DxgiTextureMapping::CopyFromTexture( |
| const DXGI_OUTDUPL_FRAME_INFO& frame_info, |
| ID3D11Texture2D* texture) { |
| RTC_DCHECK(texture && frame_info.AccumulatedFrames > 0); |
| *rect() = {0}; |
| _com_error error = duplication_->MapDesktopSurface(rect()); |
| if (error.Error() != S_OK) { |
| *rect() = {0}; |
| LOG(LS_ERROR) << "Failed to map the IDXGIOutputDuplication to a bitmap, " |
| "error " |
| << error.ErrorMessage() << ", code " << error.Error(); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool DxgiTextureMapping::DoRelease() { |
| _com_error error = duplication_->UnMapDesktopSurface(); |
| if (error.Error() != S_OK) { |
| LOG(LS_ERROR) << "Failed to unmap the IDXGIOutputDuplication, error " |
| << error.ErrorMessage() << ", code " << error.Error(); |
| return false; |
| } |
| return true; |
| } |
| |
| } // namespace webrtc |