void FOculusRiftHMD::UpdateViewport(bool bUseSeparateRenderTarget, const FViewport& InViewport, SViewport* ViewportWidget)
{
check(IsInGameThread());
if (GIsEditor && ViewportWidget)
{
// In editor we are going to check if the viewport widget supports stereo rendering or not.
if (!ViewportWidget->IsStereoRenderingAllowed())
{
return;
}
}
FRHIViewport* const ViewportRHI = InViewport.GetViewportRHI().GetReference();
TSharedPtr<SWindow> Window;
if (ViewportWidget && !IsFullscreenAllowed())
{
FWidgetPath WidgetPath;
TSharedRef<SWidget> Widget = ViewportWidget->AsShared();
Window = FSlateApplication::Get().FindWidgetWindow(Widget, WidgetPath);
}
if (!Settings->IsStereoEnabled())
{
if ((!bUseSeparateRenderTarget || GIsEditor) && ViewportRHI)
{
ViewportRHI->SetCustomPresent(nullptr);
}
// Restore AutoResizeViewport mode for the window
if (ViewportWidget && !IsFullscreenAllowed() && Settings->MirrorWindowSize.X != 0 && Settings->MirrorWindowSize.Y != 0)
{
FWidgetPath WidgetPath;
TSharedRef<SWidget> Widget = ViewportWidget->AsShared();
TSharedPtr<SWindow> Window = FSlateApplication::Get().FindWidgetWindow(Widget, WidgetPath);
if (Window.IsValid())
{
Window->SetViewportSizeDrivenByWindow(true);
}
}
return;
}
FGameFrame* CurrentFrame = GetFrame();
if (!bUseSeparateRenderTarget || !CurrentFrame)
return;
check(CurrentFrame);
CurrentFrame->ViewportSize = InViewport.GetSizeXY();
CurrentFrame->WindowSize = Window->GetSizeInScreen();
check(pCustomPresent);
pCustomPresent->UpdateViewport(InViewport, ViewportRHI, CurrentFrame);
}
void FSteamVRHMD::UpdateViewport(bool bUseSeparateRenderTarget, const FViewport& InViewport, SViewport* ViewportWidget)
{
check(IsInGameThread());
FRHIViewport* const ViewportRHI = InViewport.GetViewportRHI().GetReference();
if (!IsStereoEnabled())
{
if (!bUseSeparateRenderTarget)
{
ViewportRHI->SetCustomPresent(nullptr);
}
return;
}
GetActiveRHIBridgeImpl()->UpdateViewport(InViewport, ViewportRHI);
}
