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