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> Unreal Engine API Reference > Runtime > RHI > IRHICommandContext > RHITransitionResources > IRHICommandContext::RHITransitionResources

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IRHICommandContext::RHITransitionResources

Explicitly transition a texture resource from readable -> writable by the GPU or vice versa.

Windows

MacOS

Linux

References

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

Syntax

virtual void RHITransitionResources
(
    EResourceTransitionAccess TransitionType,
    FRHITexture ** InTextures,
    int32 NumTextures
)

Remarks

Explicitly transition a texture resource from readable -> writable by the GPU or vice versa. We know render targets are only used as rendered targets on the Gfx pipeline, so these transitions are assumed to be implemented such Gfx->Gfx and Gfx->Compute pipeline transitions are both handled by this call by the RHI implementation. Hence, no pipeline parameter on this call. TransitionPipeline version is also available to transition from Compute->Gfx for example

Parameters

Parameter	Description
TransitionType	direction of the transition
InTextures	array of texture objects to transition
NumTextures	number of textures to transition

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