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/*
* 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 "modules/desktop_capture/win/dxgi_texture_mapping.h"
#include <comdef.h>
#include <dxgi.h>
#include <dxgi1_2.h>
#include "modules/desktop_capture/win/desktop_capture_utils.h"
#include "rtc_base/checks.h"
#include "rtc_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_GT(frame_info.AccumulatedFrames, 0);
RTC_DCHECK(texture);
*rect() = {0};
_com_error error = duplication_->MapDesktopSurface(rect());
if (error.Error() != S_OK) {
*rect() = {0};
RTC_LOG(LS_ERROR)
<< "Failed to map the IDXGIOutputDuplication to a bitmap: "
<< desktop_capture::utils::ComErrorToString(error);
return false;
}
return true;
}
bool DxgiTextureMapping::DoRelease() {
_com_error error = duplication_->UnMapDesktopSurface();
if (error.Error() != S_OK) {
RTC_LOG(LS_ERROR) << "Failed to unmap the IDXGIOutputDuplication: "
<< desktop_capture::utils::ComErrorToString(error);
return false;
}
return true;
}
} // namespace webrtc