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> Unreal Engine API Reference > Runtime > Engine > IStereoRenderTargetManager

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IStereoRenderTargetManager

The [IStereoRenderTargetManager](API\Runtime\Engine\IStereoRenderTargetManager) can be returned from [IStereoRendering::GetRenderTargetManager()](API\Runtime\Engine\IStereoRendering\GetRenderTargetManager) implementations.

Windows

MacOS

Linux

Inheritance Hierarchy

IStereoRenderTargetManager

FXRRenderTargetManager

References

Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/StereoRenderTargetManager.h
Include	#include "StereoRenderTargetManager.h"

Syntax

class IStereoRenderTargetManager

Remarks

The IStereoRenderTargetManager can be returned from IStereoRendering::GetRenderTargetManager() implementations. Implement this interface if a stereo rendering device requires all output to be rendered into separate render targets and/or to customize how separate render targets are allocated.

Functions

	Name	Description
bool	AllocateDepthTexture ( uint32 Index, uint32 SizeX, uint32 SizeY, uint8 Format, uint32 NumMips, uint32 Flags, uint32 TargetableTextureFlags, FTexture2DRHIRef& OutTargetableTex..., FTexture2DRHIRef& OutShaderResourc..., uint32 NumSamples )	Allocates a depth texture.
bool	AllocateFoveationTexture ( uint32 Index, uint32 RenderSizeX, uint32 RenderSizeY, uint8 Format, uint32 NumMips, uint32 Flags, uint32 TargetableTextureFlags, FTexture2DRHIRef& OutTexture, FIntPoint& OutTextureSize )	Allocates a foveation texture.
bool	AllocateRenderTargetTexture ( uint32 Index, uint32 SizeX, uint32 SizeY, uint8 Format, uint32 NumMips, uint32 Flags, uint32 TargetableTextureFlags, FTexture2DRHIRef& OutTargetableTex..., FTexture2DRHIRef& OutShaderResourc..., uint32 NumSamples )	Allocates a render target texture.
void	CalculateRenderTargetSize ( const FViewport& Viewport, uint32& InOutSizeX, uint32& InOutSizeY )	Calculates dimensions of the render target texture for direct rendering of distortion.
uint32	GetNumberOfBufferedFrames()	Returns number of required buffered frames.
bool	NeedReAllocateDepthTexture ( const TRefCountPtr< struct IPooledR... )	Returns true, if render target texture must be re-calculated.
bool	NeedReAllocateFoveationTexture ( const TRefCountPtr< struct IPooledR... )	Returns true, if foveation texture must be re-calculated.
bool	NeedReAllocateViewportRenderTarget ( const FViewport& Viewport )	Returns true, if render target texture must be re-calculated.
bool	ShouldUseSeparateRenderTarget()	Whether a separate render target should be used or not.
void	UpdateViewport ( bool bUseSeparateRenderTarget, const FViewport& Viewport, SViewport* ViewportWidget )	Updates viewport for direct rendering of distortion. Should be called on a game thread.

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