NVIDIA RTX Branch of Unreal Engine 4: Install and Setup Guide

[@rageinthecage3900]

crazy times we live in.. Being able to integrate the latest NVIDIA render-tech onto the already powerful Unreal Engine and all for free.. with all the negative stuff going on in real life this really "makes my day" :D

[@enoes241]

we need more information of new Nvrtx branch

[@YuuJer]

these videos are great! thanks!

[@cameronp9329]

Is the caustics branch still available? That is amazing.

[@richardcowgill-NV]

Yes, it's there and up to date with the latest 4.27.2 code release.

[@pawprinting]

@@richardcowgill-NV Hey Richard do you know if the Caustics have also been merged with the new UE5.0 version?

[@Urammar]

Hey, thanks for this. Does the caustics branch include RTXDI and RTXGI also? Little confused between the differences

[@chrysisperelaki9639]

Ghe installation process is the same for UE5.1 with NVRTX 5.1?

[@Mader_Levap]

Unfortunately, it Just Does Not Work. After doing all steps until running Visual Studio it fails when building with message 1>'"D:\Unreal tx\Engine\Build\Windows\cl-filter\cl-filter.exe"' is not recognized as an internal or external command, (0:00.09 at +0:00) 1>operable program or batch file. Looks like for some mysterious reason \Engine\Build\Windows\cl-filter\cl-filter.exe vanishes and cannot be copied back. Worthless.

[@RobinBervini]

Thanks for this video, I never ventured into source building and I managed to access to the Causting build thanks to this! I don't understand how to build Omniverse into an Engine build though, does anybody know how that is achieved? In the connector documentation it reads "Source code included to allow source builders of Unreal Engine to use the plugin." but I don't understand where this source code is and how to build it

[@juancarlosgzrz]

What about Unreal Engine 5.1?

[@1Torchit]

but how do you get it to pass through a glass material?

[@marcomazzanti3197]

I am having trouble downloading NVIDIA RTX Caustics version on Github despite having access to download on Github for DLSS, as I have successfully linked Github account on Epic profile. But i have Error 404.

[@5kopiyok]

22:09 How to show the side nvidia menu?

[@richardcowgill-NV]

That should appear automatically when you do a play in editor of the attic test scene.

[@lamkee1919]

Can copy the plugin files into original UE folder? Or must need to use this version?

[@simonbethke8307]

does not work :(

[@Mulai-1997]

Hi, when I turn on HybridTranslucency 3, some of translucency object is not working well, it look like wrong, and I try to turn off "visible in Ray Tracing", it woring rignt, but I lost the reflections, how can I control whether it participates in ray tracing.

[@Mulai-1997]

@@owenjenkinsdesign Hi ， I aggre setting up the hybrid ray tracing takes a bit more configuration ，but I need VFX working well with raytracing .

[@martinnorlin1739]

Did this and realized that Bridge Plugin doesnt work when using this plugin. Is there a way around that?

[@martinnorlin1739]

@@owenjenkinsdesign I already did. Quixel helped me with this. If you want I can send you a step by step guide.

[@martinnorlin1739]

@@owenjenkinsdesign where can I send the doc?

[@martinnorlin1739]

@@owenjenkinsdesign Great! I just sent it to you!

[@gatzkerob]

I'm getting a build error for the NvRTX 5.0.1-1 release: 4>Creating makefile for ShaderCompileWorker (no existing makefile) 4>UnrealBuildTool : error : Unhandled exception: Dependency file "C:\Users\User\Desktop\UnrealEngine-nvrtx-5.0.1-1\Engine\Intermediate\Build\Win64\UnrealHeaderTool\Development\Json\Module.Json.cpp.json" version ("1.2") is not supported version 4>C:\Program Files\Microsoft Visual Studio\2022\Community\MSBuild\Microsoft\VC\v170\Microsoft.MakeFile.Targets(50,5): error MSB3073: The command "..\..\Build\BatchFiles\Rebuild.bat -Target="UnrealEditor Win64 Development" -Target="ShaderCompileWorker Win64 Development -Quiet" -WaitMutex -FromMsBuild" exited with code -1. 4>Done building project "UE5.vcxproj" -- FAILED. ========== Rebuild All: 3 succeeded, 1 failed, 0 skipped ==========

[@megustalapostpo5427]

Hi I follow all steps but when I launch the second command bat I got the message that the process can't find a virtual studio version installed and I have everything installed. Any help? Thanks.

[@vfxpraveen]

hay! its late but that problem is you might have missed the MS BUILD. after you install the visual studio you can launch the installer again and choose modify and go to individual components and choose MSBUILD then its works. cheers

[@peter486]

its al coo and stuff but when you are forced to use concil commands to endabe and disable some thigs its just no no

[@francisgoca]

Is it normal for the caustics branch and Unreal engine building take so much space? It has already taken 97.2 GB, and it's not done yet... Edit: It took up to 140 GB, just wondering how to make caustics work, would love a crash course on this.

[@Mulai-1997]

@@owenjenkinsdesign Hi where can I find the turorials that you publishing today

[@Mulai-1997]

@@owenjenkinsdesign Hi I cheak out “NvRTX 5.0” by sourcetree , and it was 5.0.2 .Everything is working well , but today I pull the new change by sourcetree I found that the space increased from 180G to more than 300G. Is this normal? Or is my file redundant? It is too big to me ! !

[@Mulai-1997]

I upgraded from 5.0.2 to 5.0.3

[@Mulai-1997]

@@owenjenkinsdesign Hi again ，I pull the last update by sourcetree , but the vesion is still 5.0.2 and I cheak out the "Build.version" file ,it is 5.0.3 . Do you know how to fix it ? Thanks!!

[@AinurEru]

Remarkable as all of this seems, non of it matter for shippable games unless-and-until it's demonstrated it can run (and run-well) on non-NVIDIA hardware (including all major consoles). It's no more than a fancy tech-demo otherwise, and in light of UE5's Lumen, the future of all of this seems questionable at best.

[@richardcowgill-NV]

I can't get into benchmarks for other hardware, but the ray tracing component of NVRTX is platform agnostic software that runs anywhere DXR runs. We have had developers use it for AMD ray tracing hardware and consoles. The only thing that doesn't work is a technology like DLSS, because it relies on the Tensor core RTX hardware to do the AI based image upscaling. Aside from that, you should be good to go.

[@thebutterflyking]

How about Black myth wukong now 2 years later? 😏