Mesh Vertex Painting Broken for Splines

UE - Rendering - Architecture - May 22, 2023

The mesh painting mode appears to no longer work on splines, as the vertexes seem to have all vertex colors at 1, 1, 1, 1 by default, and can't be removed or painted anything else. ...

Target Gamma setting has no effect when using SceneCaptureActor which has no contribution from PostProcessInput0

UE - Graphics Features - Jun 4, 2020

Expected result is that the Target Gamma slider would apply that calculation to what's being written to it.  RT_PostProcess is a RTF RGBA8_SRGB render target being written to by a SceneCapture Acto ...

Major artifacting in FP Template with Skylight in ES31 Deferred

UE - Platform - Mobile - Sep 4, 2015

When the First Person Template is deployed to a Nexus 9 using ES31, there is an extreme magenta color over the screen. Disabling post process reduces the bloom, but there is still major color artif ...

RenderTrace fatal error, shader expected a uniform buffer at slot 1...

UE - Rendering - Architecture - Mar 4, 2024

RenderTrace plugin does not appear to have been updated for a change that moved the GPUScene out of the View buffer to its own uniform buffer. (CL 24027890) The test project is based on FirstPerson ...

Showing black screen when drawing Distortion and DOF on Android

UE - Platform - Mobile - Jan 13, 2019

[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378),  the "UseFetch" is true as the Android device support shader fra ...

Previewing Notification on Material Nodes never leaves when Previewing stops

UE - Rendering - Architecture - Materials - Jul 30, 2015

When you preview a node in the material editor, the Previewing text inconsistently appears on node and when previewing stops does not disappear. The Blue and Green Color change appears to work as e ...

Get Functions are not Available for Particle Systems via Blueprints

UE - Graphics Features - Aug 4, 2015

It looks like the Functions Get Float Parameter, Get Vector Parameter, Get Actor Parameter, Get Color Parameter are listed in the API, but are not callable in a Blueprint. ...

Fresnal Preview in Material Editor Thumbnail produces Strange Result when Zooming

UE - Graphics Features - Jul 8, 2015

When making a Simple Fresnal node inside of the Material Editor and plugging it into the Basic Color node it returns strange values for the preview. Specifically the dark inner color will move off t ...

Unable to Undo Property Changes in Paint Mode

Tools - Sep 29, 2016

When making changes to the properties of the paint mode (paint color, brush settings, etc.) the actions are not logged into the undo history and therefore cannot be undone. Attached is the screensh ...

Material not compiling due to WorldAlignedTexture connected to multiply

UE - Rendering - Architecture - Materials - Jul 23, 2024

When a WorldAlignedTexture node is connected to multiply and then to a base color output, the material cannot be compiled, giving an error about an undeclared local variable "Local27". Does not happ ...