Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

> Unreal Engine API Reference > Runtime > OpenGLDrv > FOpenGLDynamicRHI > RHIReadSurfaceData > FOpenGLDynamicRHI::RHIReadSurfaceData

Light Theme

Dark Theme

FOpenGLDynamicRHI::RHIReadSurfaceData

FlushType: Flush Immediate (seems wrong)

Windows

MacOS

Linux

Override Hierarchy

FDynamicRHI::RHIReadSurfaceData()

FOpenGLDynamicRHI::RHIReadSurfaceData()

References

Module	OpenGLDrv
Header	/Engine/Source/Runtime/OpenGLDrv/Public/OpenGLDrv.h
Include	#include "OpenGLDrv.h"
Source	/Engine/Source/Runtime/OpenGLDrv/Private/OpenGLRenderTarget.cpp

Syntax

virtual void RHIReadSurfaceData
(
    FRHITexture * Texture,
    FIntRect Rect,
    TArray< FColor > & OutData,
    FReadSurfaceDataFlags InFlags
)

Remarks

Reads the contents of a texture to an output buffer (non MSAA and MSAA) and returns it as a FColor array. If the format or texture type is unsupported the OutData array will be size 0

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss