5fea5fb183
This change adds a ResolutionChangeDetector to help dxgi components, say DxgiDuplicatorController and DxgiTexture to detect resolution changes. BUG=684162 Review-Url: https://codereview.webrtc.org/2682913002 Cr-Commit-Position: refs/heads/master@{#16654}
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
/*
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* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/modules/desktop_capture/win/dxgi_texture_mapping.h"
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#include <comdef.h>
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#include <DXGI.h>
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#include <DXGI1_2.h>
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#include "webrtc/base/checks.h"
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#include "webrtc/system_wrappers/include/logging.h"
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namespace webrtc {
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DxgiTextureMapping::DxgiTextureMapping(IDXGIOutputDuplication* duplication)
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: duplication_(duplication) {
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RTC_DCHECK(duplication_);
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}
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DxgiTextureMapping::~DxgiTextureMapping() = default;
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bool DxgiTextureMapping::CopyFromTexture(
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const DXGI_OUTDUPL_FRAME_INFO& frame_info,
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ID3D11Texture2D* texture) {
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RTC_DCHECK(texture && frame_info.AccumulatedFrames > 0);
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*rect() = {0};
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_com_error error = duplication_->MapDesktopSurface(rect());
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if (error.Error() != S_OK) {
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*rect() = {0};
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LOG(LS_ERROR) << "Failed to map the IDXGIOutputDuplication to a bitmap, "
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"error "
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<< error.ErrorMessage() << ", code " << error.Error();
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return false;
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}
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return true;
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}
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bool DxgiTextureMapping::DoRelease() {
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_com_error error = duplication_->UnMapDesktopSurface();
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if (error.Error() != S_OK) {
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LOG(LS_ERROR) << "Failed to unmap the IDXGIOutputDuplication, error "
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<< error.ErrorMessage() << ", code " << error.Error();
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return false;
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}
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return true;
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}
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} // namespace webrtc
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