# Rendering **URL:** https://forums.unrealengine.com/c/development-discussion/rendering/36.md?page=100 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 101 --- ## [r.MaterialQualityLevel, quality level numbers are they correct? ](https://forums.unrealengine.com/t/r-materialqualitylevel-quality-level-numbers-are-they-correct/2658143)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 1\ **Last updated:** [August 20, 2025, 7:26am UTC](https://forums.unrealengine.com/t/r-materialqualitylevel-quality-level-numbers-are-they-correct/2658143 "2025-08-20T07:26:31Z")
Hi, Is this correct for ‘r.MaterialQualityLevel’ that the values are: 0 = Low 1 = High 2 = Medium 3 = Epic According to the code and .ini files it is but want to make sure, or is Medium / High mixed up? Thanks, S… --- ## [Deadlock with low latency setup ](https://forums.unrealengine.com/t/deadlock-with-low-latency-setup/2655298)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 4\ **Last updated:** [August 20, 2025, 6:36am UTC](https://forums.unrealengine.com/t/deadlock-with-low-latency-setup/2655298 "2025-08-20T06:36:19Z")
Hi, I think we identified an engine bug that leads to a deadlock when the engine is configured for low latency. When we use the parameters r.VSync=True, r.GTSyncType=2 and set r.OneFrameThreadLag=0 then the engine will… --- ## [Can I render a camera's view as a wireframe to a RVT?](https://forums.unrealengine.com/t/can-i-render-a-cameras-view-as-a-wireframe-to-a-rvt/1736160)
**Author:** [@Kjasi](https://forums.unrealengine.com/u/Kjasi)\ **Replies:** 2\ **Last updated:** [August 20, 2025, 6:14am UTC](https://forums.unrealengine.com/t/can-i-render-a-cameras-view-as-a-wireframe-to-a-rvt/1736160 "2025-08-20T06:14:47Z")
I have a spaceship. I want to display a wireframe render of what’s in front of the spaceship on a display inside the cockpit. The end goal is to have my wireframe render in a Realtime Virtual Texture so I can apply it to… --- ## [5.6.0 and 5.6.1 GeometryCollection Emissive invalid](https://forums.unrealengine.com/t/5-6-0-and-5-6-1-geometrycollection-emissive-invalid/2647627)
**Author:** [@qipaworld](https://forums.unrealengine.com/u/qipaworld)\ **Replies:** 0\ **Last updated:** [August 20, 2025, 3:16am UTC](https://forums.unrealengine.com/t/5-6-0-and-5-6-1-geometrycollection-emissive-invalid/2647627 "2025-08-20T03:16:49Z")
The material’s Emissive setting is disabled and only takes effect after it breaks. This feature is available in 5.5.4. --- ## [Why does WorldGridMaterial show up in Nanite VisBuffer ](https://forums.unrealengine.com/t/why-does-worldgridmaterial-show-up-in-nanite-visbuffer/2657849)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 4\ **Last updated:** [August 19, 2025, 11:33pm UTC](https://forums.unrealengine.com/t/why-does-worldgridmaterial-show-up-in-nanite-visbuffer/2657849 "2025-08-19T23:33:39Z")
We have a significant chunk (.2ms+) of time being spend in WorldGridMaterial in both the raster queue and the compute queue during Nanite VisBuffer. What causes this and how can I reduce it? --- ## [Fake thickness / opacity material - Help](https://forums.unrealengine.com/t/fake-thickness-opacity-material-help/433132)
**Author:** [@LyubomirIko](https://forums.unrealengine.com/u/LyubomirIko)\ **Replies:** 1\ **Last updated:** [August 19, 2025, 11:27pm UTC](https://forums.unrealengine.com/t/fake-thickness-opacity-material-help/433132 "2025-08-19T23:27:07Z")
Hello. I need to make fake thickness on opacity masked material (some sort of fence) I use Bump offset - but I have problems of stacking the bump offset-s+opacity - Very messy results :-/ Can someone show me how to st… --- ## [How to blend between two materials](https://forums.unrealengine.com/t/how-to-blend-between-two-materials/467956)
**Author:** [@EdBennett](https://forums.unrealengine.com/u/EdBennett)\ **Replies:** 14\ **Last updated:** [August 19, 2025, 10:39pm UTC](https://forums.unrealengine.com/t/how-to-blend-between-two-materials/467956 "2025-08-19T22:39:29Z")
Hi I have a scene where I would like to blend between two different material using a time line. However I’m not sure how to do this. Anyone got any recommendation on the best practice. I was trying in the material howeve… --- ## [Does Niagara Mesh Renderer Frustum Culling not work? ](https://forums.unrealengine.com/t/does-niagara-mesh-renderer-frustum-culling-not-work/2657846)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 4\ **Last updated:** [August 20, 2025, 1:20am UTC](https://forums.unrealengine.com/t/does-niagara-mesh-renderer-frustum-culling-not-work/2657846 "2025-08-20T01:20:26Z")
The feature does not appear to work. Is this broken or am I possibly missing something? See Steps to Reproduce for more information. --- ## [Bad quality lightmaps](https://forums.unrealengine.com/t/bad-quality-lightmaps/2647238)
**Author:** [@Detilium](https://forums.unrealengine.com/u/Detilium)\ **Replies:** 0\ **Last updated:** [August 19, 2025, 6:10pm UTC](https://forums.unrealengine.com/t/bad-quality-lightmaps/2647238 "2025-08-19T18:10:15Z")
Heyo. I initially setup my scene with dynamic lighting, though hitting the infamous 4 overlapping lights constraint. This took me down the route of actually trying to setup built lighting. I’m hitting my head on the qua… --- ## [Light settings (artifacts)](https://forums.unrealengine.com/t/light-settings-artifacts/2647102)
**Author:** [@Zimaell](https://forums.unrealengine.com/u/Zimaell)\ **Replies:** 0\ **Last updated:** [August 19, 2025, 3:48pm UTC](https://forums.unrealengine.com/t/light-settings-artifacts/2647102 "2025-08-19T15:48:14Z")
Good day to all, I have encountered a problem with setting up the light, I can’t figure out how to set it up normally so that it looks like normal daylight. So the problems I can’t solve are: The shadows shimmer in s… --- ## [Custom shadow for baked lighting?](https://forums.unrealengine.com/t/custom-shadow-for-baked-lighting/2639718)
**Author:** [@Cubeap](https://forums.unrealengine.com/u/Cubeap)\ **Replies:** 14\ **Last updated:** [August 19, 2025, 3:03pm UTC](https://forums.unrealengine.com/t/custom-shadow-for-baked-lighting/2639718 "2025-08-19T15:03:40Z")
By default, the opacity mask for static shadows only works if texSample is directly connected to it. If you try to use ShadowPassSwitch or a custom function, light baking ignores it. Are there any ways to fix this? Any o… --- ## [Cloner Actor not Rendering](https://forums.unrealengine.com/t/cloner-actor-not-rendering/1980915)
**Author:** [@Chris514](https://forums.unrealengine.com/u/Chris514)\ **Replies:** 8\ **Last updated:** [August 19, 2025, 1:26pm UTC](https://forums.unrealengine.com/t/cloner-actor-not-rendering/1980915 "2025-08-19T13:26:01Z")
Hi all! Creating a small animation (not a game) using Motion Design and its Sequencer. When I use a Cloner Actor, all looks good in the viewport (the light wall behind the mic), but the cloner object will not render, al… --- ## [Mac os 15 using XcodeGpuDebugger Plugin crash ](https://forums.unrealengine.com/t/mac-os-15-using-xcodegpudebugger-plugin-crash/2657837)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 2\ **Last updated:** [August 19, 2025, 9:17am UTC](https://forums.unrealengine.com/t/mac-os-15-using-xcodegpudebugger-plugin-crash/2657837 "2025-08-19T09:17:26Z")
Debugging with XcodeGpuDebugger in UnrealEngine5.6 breaks here\[Image Removed\] --- ## [Mesh have weird shadows or black over mesh](https://forums.unrealengine.com/t/mesh-have-weird-shadows-or-black-over-mesh/1196709)
**Author:** [@ARTHUR\_PHOENIX](https://forums.unrealengine.com/u/ARTHUR_PHOENIX)\ **Replies:** 6\ **Last updated:** [August 19, 2025, 4:51am UTC](https://forums.unrealengine.com/t/mesh-have-weird-shadows-or-black-over-mesh/1196709 "2025-08-19T04:51:23Z")
Hello there! I am new to Unreal Engine. What I did: While working with modeling option in UE5, I use lattice option in deform TWICE in same mesh. Just experimenting with it, All of a sudden the mesh got some weird sha… --- ## [Curve atlas cant use Curves longer than 1](https://forums.unrealengine.com/t/curve-atlas-cant-use-curves-longer-than-1/2646498)
**Author:** [@Sneacker](https://forums.unrealengine.com/u/Sneacker)\ **Replies:** 1\ **Last updated:** [August 19, 2025, 4:15am UTC](https://forums.unrealengine.com/t/curve-atlas-cant-use-curves-longer-than-1/2646498 "2025-08-19T04:15:07Z")
Hello! I’m trying to use curve atlas for sampling color in my material (I’m trying to set scalar param from bp, that is used as a “curve time” input in the material). But for some reason the whole curve atlas thing work… --- ## [Scene depth fade outline](https://forums.unrealengine.com/t/scene-depth-fade-outline/2645366)
**Author:** [@SlayerOfWhales](https://forums.unrealengine.com/u/SlayerOfWhales)\ **Replies:** 4\ **Last updated:** [August 19, 2025, 4:11am UTC](https://forums.unrealengine.com/t/scene-depth-fade-outline/2645366 "2025-08-19T04:11:12Z")
I am doing an underwater filter and my objects have this weird outline at their edges caused by scene depth. Any ideas on how to remove it? It remains even when all other effects are disabled, and is amplified by … --- ## [\[Postprocess Material\] How to sample texture object in custom node in postprocess material](https://forums.unrealengine.com/t/postprocess-material-how-to-sample-texture-object-in-custom-node-in-postprocess-material/2646355)
**Author:** [@M.S.M.A.S](https://forums.unrealengine.com/u/M.S.M.A.S)\ **Replies:** 2\ **Last updated:** [August 19, 2025, 12:53am UTC](https://forums.unrealengine.com/t/postprocess-material-how-to-sample-texture-object-in-custom-node-in-postprocess-material/2646355 "2025-08-19T00:53:30Z")
There’s something weird that I dont really understand, which is that The Texture Sampling code here doesn’t work in postprocess material I have a post process material, like this in this material I want to Sample a … --- ## [Rect light with no decay ](https://forums.unrealengine.com/t/rect-light-with-no-decay/2645794)
**Author:** [@Ariel\_Shtern](https://forums.unrealengine.com/u/Ariel_Shtern)\ **Replies:** 2\ **Last updated:** [August 18, 2025, 9:19pm UTC](https://forums.unrealengine.com/t/rect-light-with-no-decay/2645794 "2025-08-18T21:19:08Z")
Is there an option to somehow render a rect light with no decay? --- ## [\[HELP\] UE5.6 rendering result becomes more bright ](https://forums.unrealengine.com/t/help-ue5-6-rendering-result-becomes-more-bright/2643765)
**Author:** [@Fseeeye](https://forums.unrealengine.com/u/Fseeeye)\ **Replies:** 1\ **Last updated:** [August 18, 2025, 9:12pm UTC](https://forums.unrealengine.com/t/help-ue5-6-rendering-result-becomes-more-bright/2643765 "2025-08-18T21:12:41Z")
I use the same lookdev environment between UE 5.5 and UE 5.6, but every things becomes more bright, did anyone have any idea? UE5.5 vs. UE5.6: every pixel’s rendering result becomes more bright. PostProcessVolume … --- ## [Instanced Stereo in VR Problems. Also, Screen Mirroring Issue](https://forums.unrealengine.com/t/instanced-stereo-in-vr-problems-also-screen-mirroring-issue/2630133)
**Author:** [@Plazma2000s](https://forums.unrealengine.com/u/Plazma2000s)\ **Replies:** 3\ **Last updated:** [August 18, 2025, 8:35pm UTC](https://forums.unrealengine.com/t/instanced-stereo-in-vr-problems-also-screen-mirroring-issue/2630133 "2025-08-18T20:35:54Z")
Hey guys, im badly in need of more FPS for my VR project. I have exhausted all avenues, extremely well optimised. Only one thing left that can help… I have no instanced stereo. It crashes every time I try to launch my … --- ## [Why is my unreal engine 5.6 curve editor only showing points and no lines](https://forums.unrealengine.com/t/why-is-my-unreal-engine-5-6-curve-editor-only-showing-points-and-no-lines/2642821)
**Author:** [@drnooe](https://forums.unrealengine.com/u/drnooe)\ **Replies:** 4\ **Last updated:** [August 18, 2025, 5:11pm UTC](https://forums.unrealengine.com/t/why-is-my-unreal-engine-5-6-curve-editor-only-showing-points-and-no-lines/2642821 "2025-08-18T17:11:02Z")
Hi everyone, I am trying to work in the Sequencer curve editor in Unreal Engine 5.6 and I only see the points for my keyframes. There is no line connecting them like I am used to seeing in UE 5.4 ( here is how it should… --- ## [Lumen GI and PBR values ](https://forums.unrealengine.com/t/lumen-gi-and-pbr-values/2657431)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 11\ **Last updated:** [August 18, 2025, 4:36pm UTC](https://forums.unrealengine.com/t/lumen-gi-and-pbr-values/2657431 "2025-08-18T16:36:42Z")
We’re exploring an issue with Lumen GI in locations like tunnels and bigger darker interiors. \[Image Removed\] When entering interiors Lumen scene is noisy and updates very slow, in dark interiors there are a lot of art… --- ## [Blur in Post Process Material](https://forums.unrealengine.com/t/blur-in-post-process-material/541881)
**Author:** [@Asgard855](https://forums.unrealengine.com/u/Asgard855)\ **Replies:** 16\ **Last updated:** [August 18, 2025, 2:57pm UTC](https://forums.unrealengine.com/t/blur-in-post-process-material/541881 "2025-08-18T14:57:09Z")
Hi, I’m trying to add a slightly blur to my viewport using post process material, I used the same material in UE4.7 and it works perfectly, but when i try the same material in ue5, It stretches my viewport, Does anyone k… --- ## [Weird shadows around camera, object edges and corners](https://forums.unrealengine.com/t/weird-shadows-around-camera-object-edges-and-corners/2645799)
**Author:** [@Guillarco\_28](https://forums.unrealengine.com/u/Guillarco_28)\ **Replies:** 0\ **Last updated:** [August 18, 2025, 1:17pm UTC](https://forums.unrealengine.com/t/weird-shadows-around-camera-object-edges-and-corners/2645799 "2025-08-18T13:17:42Z")
These are maybe separate problems but I’ve tried a lot of things and nothing seems to work. I’ve been messing around with a cel shader and there are some shadows that simply don’t make any sense. Under the camera there … --- ## [Farfield shadow in lumen scene ](https://forums.unrealengine.com/t/farfield-shadow-in-lumen-scene/2653827)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 8\ **Last updated:** [August 18, 2025, 9:40am UTC](https://forums.unrealengine.com/t/farfield-shadow-in-lumen-scene/2653827 "2025-08-18T09:40:48Z")
Hi, I am trying to understand the behavior of the shadows in FarField. In this example (CitySample), I am forcing the Lumen scene to be as small as possible (r.RayTracing.Culling.Radius 1000) to see the Farfield tracin… --- ## [Visual screen bugs with Android Vulkan SM5](https://forums.unrealengine.com/t/visual-screen-bugs-with-android-vulkan-sm5/487138)
**Author:** [@spencer-pnt](https://forums.unrealengine.com/u/spencer-pnt)\ **Replies:** 7\ **Last updated:** [August 18, 2025, 9:20am UTC](https://forums.unrealengine.com/t/visual-screen-bugs-with-android-vulkan-sm5/487138 "2025-08-18T09:20:52Z")
Hello! I’m working on a mobile game targeting Android in UE 4.26.2, with forward rendering enabled, Vulkan graphics API enabled, and Vulkan SM5 desktop rendering \[Experimental\] enabled. I’m experiencing two types of vi… --- ## [Niagaraの生成フレームについて ](https://forums.unrealengine.com/t/niagara/2657443)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 4\ **Last updated:** [August 18, 2025, 8:07am UTC](https://forums.unrealengine.com/t/niagara/2657443 "2025-08-18T08:07:31Z")
お世話になっております。 件題に関しまして、質問がございます。 Niagaraでのパーティクル生成を0F目から行いたいと考えているのですが、0Fで生成出来ません。 60FPSのゲームを構築しているのですが、1Fから開始となってしまいます。 こちらに関しまして、何か有効な方法等ありましたらご教授いただけないでしょうか。 お手数おかけ致しますが何卒、宜しくお願いいたします。 --- ## [How can I use Streaming Virtual Texture in projects with MANY/MASSIVE textures without blurry them](https://forums.unrealengine.com/t/how-can-i-use-streaming-virtual-texture-in-projects-with-many-massive-textures-without-blurry-them/2612548)
**Author:** [@Yuri9447](https://forums.unrealengine.com/u/Yuri9447)\ **Replies:** 13\ **Last updated:** [August 18, 2025, 6:06am UTC](https://forums.unrealengine.com/t/how-can-i-use-streaming-virtual-texture-in-projects-with-many-massive-textures-without-blurry-them/2612548 "2025-08-18T06:06:05Z")
Hi Everyone. I was recently enabling Streaming Virtual Texture in my project which has about 20k textures(UI textures not included) in it. However, these virtual textures got blurred in runtime. More informations are as … --- ## [how do i copy the lighting from the model viewer into my level? model viewer always shows colors correctly](https://forums.unrealengine.com/t/how-do-i-copy-the-lighting-from-the-model-viewer-into-my-level-model-viewer-always-shows-colors-correctly/2644022)
**Author:** [@Quittzer](https://forums.unrealengine.com/u/Quittzer)\ **Replies:** 1\ **Last updated:** [August 18, 2025, 3:04am UTC](https://forums.unrealengine.com/t/how-do-i-copy-the-lighting-from-the-model-viewer-into-my-level-model-viewer-always-shows-colors-correctly/2644022 "2025-08-18T03:04:07Z")
--- ## [Foliage Trees Rendering Incorrectly During Sequencer Render](https://forums.unrealengine.com/t/foliage-trees-rendering-incorrectly-during-sequencer-render/2494484)
**Author:** [@onurbezci](https://forums.unrealengine.com/u/onurbezci)\ **Replies:** 1\ **Last updated:** [August 17, 2025, 9:24pm UTC](https://forums.unrealengine.com/t/foliage-trees-rendering-incorrectly-during-sequencer-render/2494484 "2025-08-17T21:24:48Z")
Hi everyone, I’m having an issue with the trees I’ve painted using the Foliage tool. They look perfectly fine in the viewport and during regular gameplay, but when I render the scene using Movie Render Queue , the trees… [Previous page](https://forums.unrealengine.com/c/development-discussion/rendering/36.md?page=99) [Next page](https://forums.unrealengine.com/c/development-discussion/rendering/36.md?page=101)