void FSteamVRHMD::D3D11Bridge::UpdateViewport(const FViewport& Viewport, FRHIViewport* InViewportRHI)
{
check(IsInGameThread());
check(InViewportRHI);
const FTexture2DRHIRef& RT = Viewport.GetRenderTargetTexture();
check(IsValidRef(RT));
if (RenderTargetTexture != nullptr)
{
RenderTargetTexture->Release(); //@todo steamvr: need to also release in reset
}
RenderTargetTexture = (ID3D11Texture2D*)RT->GetNativeResource();
RenderTargetTexture->AddRef();
InViewportRHI->SetCustomPresent(this);
}
bool FSteamVRHMD::NeedReAllocateViewportRenderTarget(const FViewport& Viewport)
{
check(IsInGameThread());
if (IsStereoEnabled())
{
const uint32 InSizeX = Viewport.GetSizeXY().X;
const uint32 InSizeY = Viewport.GetSizeXY().Y;
FIntPoint RenderTargetSize;
RenderTargetSize.X = Viewport.GetRenderTargetTexture()->GetSizeX();
RenderTargetSize.Y = Viewport.GetRenderTargetTexture()->GetSizeY();
uint32 NewSizeX = InSizeX, NewSizeY = InSizeY;
CalculateRenderTargetSize(Viewport, NewSizeX, NewSizeY);
if (NewSizeX != RenderTargetSize.X || NewSizeY != RenderTargetSize.Y)
{
return true;
}
}
return false;
}
