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82 lines
2.2 KiB
82 lines
2.2 KiB
/*
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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 "modules/desktop_capture/win/dxgi_texture.h"
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#include <comdef.h>
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#include <d3d11.h>
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#include <wrl/client.h>
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#include "modules/desktop_capture/desktop_region.h"
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#include "rtc_base/checks.h"
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#include "rtc_base/logging.h"
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using Microsoft::WRL::ComPtr;
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namespace webrtc {
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namespace {
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class DxgiDesktopFrame : public DesktopFrame {
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public:
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explicit DxgiDesktopFrame(const DxgiTexture& texture)
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: DesktopFrame(texture.desktop_size(),
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texture.pitch(),
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texture.bits(),
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nullptr) {}
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~DxgiDesktopFrame() override = default;
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};
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} // namespace
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DxgiTexture::DxgiTexture() = default;
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DxgiTexture::~DxgiTexture() = default;
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bool DxgiTexture::CopyFrom(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
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IDXGIResource* resource) {
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RTC_DCHECK_GT(frame_info.AccumulatedFrames, 0);
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RTC_DCHECK(resource);
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ComPtr<ID3D11Texture2D> texture;
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_com_error error = resource->QueryInterface(
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__uuidof(ID3D11Texture2D),
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reinterpret_cast<void**>(texture.GetAddressOf()));
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if (error.Error() != S_OK || !texture) {
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RTC_LOG(LS_ERROR) << "Failed to convert IDXGIResource to ID3D11Texture2D, "
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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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D3D11_TEXTURE2D_DESC desc = {0};
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texture->GetDesc(&desc);
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desktop_size_.set(desc.Width, desc.Height);
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return CopyFromTexture(frame_info, texture.Get());
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}
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const DesktopFrame& DxgiTexture::AsDesktopFrame() {
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if (!frame_) {
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frame_.reset(new DxgiDesktopFrame(*this));
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}
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return *frame_;
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}
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bool DxgiTexture::Release() {
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frame_.reset();
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return DoRelease();
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}
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DXGI_MAPPED_RECT* DxgiTexture::rect() {
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return &rect_;
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}
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} // namespace webrtc
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