[DesktopCapture] Detect screen resolution changes in DirectX capturer

webrtc/modules/desktop_capture/win/dxgi_texture_mapping.cc

 /*
  *  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/system_wrappers/include/logging.h"
 
 namespace webrtc {
 
-DxgiTextureMapping::DxgiTextureMapping(const DesktopSize& desktop_size,
-                                       IDXGIOutputDuplication* duplication)
-    : DxgiTexture(desktop_size), duplication_(duplication) {
+DxgiTextureMapping::DxgiTextureMapping(IDXGIOutputDuplication* duplication)
+    : duplication_(duplication) {
   RTC_DCHECK(duplication_);
 }
 
 DxgiTextureMapping::~DxgiTextureMapping() = default;
 
-bool DxgiTextureMapping::CopyFrom(const DXGI_OUTDUPL_FRAME_INFO& frame_info,
-                                  IDXGIResource* resource) {
-  RTC_DCHECK(resource && frame_info.AccumulatedFrames > 0);
-  rect_ = {0};
-  _com_error error = duplication_->MapDesktopSurface(&rect_);
+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};
+    *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