FExternalTextureRegistry | Unreal Engine 5.7 Documentation

Stores a registry of external textures mapped to their GUIDs.


Name	FExternalTextureRegistry
Type	class
Header File	/Engine/Source/Runtime/Engine/Public/ExternalTexture.h
Include Path	#include "ExternalTexture.h"

Syntax

class FExternalTextureRegistry

Name	Remarks	Include Path	Unreal Specifiers
FExternalTextureRegistry()	Default constructor.	ExternalTexture.h

Name	Remarks
FExternalTextureEntry	An entry in the registry.

Name	Type	Remarks	Include Path
Singleton	FExternalTextureRegistry *	Registry singleton instance.	ExternalTexture.h

Name	Type	Remarks	Include Path
CriticalSection	FCriticalSection	Critical section to protect the set and map above from modification during access with threaded rendering.	ExternalTexture.h
ReferencingMaterialRenderProxies	TSet< const FMaterialRenderProxy * >	Set of registered material render proxies.	ExternalTexture.h
TextureEntries	TMap< FGuid, FExternalTextureEntry >	Maps unique identifiers to texture entries.	ExternalTexture.h

Name	Remarks	Include Path
bool GetExternalTexture ( const FMaterialRenderProxy* MaterialRenderProxy, const FGuid& InGuid, FTextureRHIRef& OutTextureRHI, FSamplerStateRHIRef& OutSamplerStateRHI )	Get the external texture with the specified identifier.	ExternalTexture.h
bool GetExternalTextureCoordinateOffset ( const FGuid& InGuid, FLinearColor& OutCoordinateOffset )	Looks up an texture coordinate offset for given a given GUID.	ExternalTexture.h
bool GetExternalTextureCoordinateScaleRotation ( const FGuid& InGuid, FLinearColor& OutCoordinateScaleRotation )	Looks up an external texture's coordinate scale rotation.	ExternalTexture.h
void RegisterExternalTexture ( const FGuid& InGuid, FTextureRHIRef& InTextureRHI, FSamplerStateRHIRef& InSamplerStateRHI, const FLinearColor& InCoordinateScaleRotation, const FLinearColor& InCoordinateOffset )	Register an external texture, its sampler state and coordinate scale/bias against a GUID.	ExternalTexture.h
void RemoveMaterialRenderProxyReference ( const FMaterialRenderProxy* MaterialRenderProxy )	Removes the specified MaterialRenderProxy from the list of those using an external texture.	ExternalTexture.h
void UnregisterExternalTexture ( const FGuid& InGuid )	Removes an external texture given a GUID.	ExternalTexture.h

Name	Remarks	Include Path	Unreal Specifiers
static FExternalTextureRegistry & Get()	Get the registry singleton instance.	ExternalTexture.h