Add GPUDevice.VideoOutputs with a list of attached monitors

Source/Engine/Graphics/GPUDevice.cpp

@@ -392,6 +392,8 @@ bool GPUDevice::Init()
     LOG(Info, "Total graphics memory: {0}", Utilities::BytesToText(TotalGraphicsMemory));
     if (!Limits.HasCompute)
         LOG(Warning, "Compute Shaders are not supported");
+    for (const auto& videoOutput : VideoOutputs)
+        LOG(Info, "Video output '{0}' {1}x{2} {3} Hz", videoOutput.Name, videoOutput.Width, videoOutput.Height, videoOutput.RefreshRate);
     Engine::RequestingExit.Bind<GPUDevice, &GPUDevice::OnRequestingExit>(this);
     return false;
 }
@@ -725,6 +727,7 @@ void GPUDevice::Draw()
 void GPUDevice::Dispose()
 {
     RenderList::CleanupCache();
+    VideoOutputs.Resize(0);
     VideoOutputModes.Resize(0);
 }