# NVIDIA GameWorks Integration

**URL:** <https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686>\
**Category:** Asset Creation\
**Tags:** unreal-engine\
**Created:** [December 7, 2014, 7:11pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686 "2014-12-07T19:11:32Z")\
**Posts on this page:** 20\
**Page:** 202

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**Author:** ![sieumeo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@sieumeo](https://forums.unrealengine.com/u/sieumeo)\
**Post date:** [August 18, 2017, 7:47pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4210 "2017-08-18T19:47:15Z")

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> [@;751806](#):
>
> VXGI 4.17 is out but not in the index yet. Thank you to the Nvidia engineer, if you’re ever in Vermont I owe you a beer!

Aww come on man, I’ve just settled down with 4.16.2 ☹

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**Author:** ![Beregron](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Beregron](https://forums.unrealengine.com/u/Beregron)\
**Post date:** [August 22, 2017, 12:30pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4211 "2017-08-22T12:30:54Z")

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Any one know, when there will be a new hairworks branch for 4.17? And one question: How can i use more than one branch. Like Hairworks + Flex or something?

@Len80  
You have to link your unreal account with the github account. There is a small tutorial from epic about it. Thats why you get error.

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**Author:** ![Xu\_Nie](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Xu\_Nie](https://forums.unrealengine.com/u/Xu_Nie)\
**Post date:** [August 22, 2017, 12:44pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4212 "2017-08-22T12:44:05Z")

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> [@Beregron;752997](#):
>
> Any one know, when there will be a new hairworks branch for 4.17? And one question: How can i use more than one branch. Like Hairworks + Flex or something?
> 
> @Len80  
> You have to link your unreal account with the github account. There is a small tutorial from epic about it. Thats why you get error.

Hi. Get it from [https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4](https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4).

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**Author:** ![Gomo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Gomo](https://forums.unrealengine.com/u/Gomo)\
**Post date:** [August 22, 2017, 5:56pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4213 "2017-08-22T17:56:07Z")

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> [@;751806](#):
>
> VXGI 4.17 is out but not in the index yet. Thank you to the Nvidia engineer, if you’re ever in Vermont I owe you a beer!

Anyone got when compiling?:  
error CS1503: Argument 1: cannot convert from ‘UnrealBuildTool.DirectoryReference’ to ‘string’

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**Author:** ![sieumeo](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@sieumeo](https://forums.unrealengine.com/u/sieumeo)\
**Post date:** [August 22, 2017, 6:13pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4214 "2017-08-22T18:13:25Z")

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Hi guys, I’m trying to merge WaveWorks into other GameWorks tech in 4.16.2, everything compiled fine but when I launch editor it crashes with the following message, anyone have similar problem or some tips about error?

> [@](#):
>
> [2017.08.22-18.01.19:699] 0]LogTargetPlatformManager:Display: Building Assets For Windows  
> [2017.08.22-18.01.20:581] 0]LogDerivedDataCache:Display: Cache Size: 512 MB  
> [2017.08.22-18.01.21:466] 0]LogDerivedDataCache: Loaded boot cache 0.88s 93MB …/…/…/Engine/DerivedDataCache/Boot.ddc.  
> [2017.08.22-18.01.21:466] 0]LogDerivedDataCache:Display: Loaded Boot cache: …/…/…/Engine/DerivedDataCache/Boot.ddc  
> [2017.08.22-18.01.21:466] 0]LogDerivedDataCache: FDerivedDataBackendGraph: Pak pak cache file …/…/…/Engine/DerivedDataCache/DDC.ddp not found, will not use a pak cache.  
> [2017.08.22-18.01.21:467] 0]LogDerivedDataCache: Unable to find inner node Pak for hierarchical cache Hierarchy.  
> [2017.08.22-18.01.21:467] 0]LogDerivedDataCache: FDerivedDataBackendGraph: EnginePak pak cache file …/…/…/Engine/DerivedDataCache/DDC.ddp not found, will not use a pak cache.  
> [2017.08.22-18.01.21:467] 0]LogDerivedDataCache: Unable to find inner node EnginePak for hierarchical cache Hierarchy.  
> [2017.08.22-18.01.21:479] 0]LogDerivedDataCache: Using Local data cache path …/…/…/Engine/DerivedDataCache: Writable  
> [2017.08.22-18.01.21:479] 0]LogDerivedDataCache: Shared data cache path not found in \*engine.ini, will not use an Shared cache.  
> [2017.08.22-18.01.21:479] 0]LogDerivedDataCache: Unable to find inner node Shared for hierarchical cache Hierarchy.  
> [2017.08.22-18.01.21:591] 0]LogMaterial: Verifying Global Shaders for PCD3D\_SM5  
> [2017.08.22-18.01.23:889] 0]LogSlate: Using Freetype 2.6.0  
> [2017.08.22-18.01.24:431] 0]LogSlate: SlateFontCache - WITH\_FREETYPE: 1, WITH\_HARFBUZZ: 1  
> [2017.08.22-18.01.24:431] 0]LogSlate: SlateFontCache - WITH\_FREETYPE: 1, WITH\_HARFBUZZ: 1  
> [2017.08.22-18.01.32:373] 0]LogInit: Selected Device Profile: [Windows]  
> [2017.08.22-18.01.34:562] 0]LogContentStreaming: Texture pool size is 0.00 MB  
> [2017.08.22-18.01.34:871] 0]LogMaterial: Missing cached shader map for material WorldGridMaterial, compiling. Is special engine material.  
> [2017.08.22-18.04.50:764] 0]LogShaderCompilers:Warning: 1 Shader compiler errors compiling WorldGridMaterial for platform PCD3D\_SM5:  
> [2017.08.22-18.04.50:764] 0]LogShaderCompilers:Warning: Engine/Shaders/LocalVertexFactory.usf(733,2-9): Shader FVelocityPS, VF FFlexGPUVertexFactory:  
> error X3004: undeclared identifier ‘TangentX’
> 
> [2017.08.22-18.04.50:765] 0]LogShaderCompilers:Warning: LocalVertexFactory.usf(733,2-9): error X3004: undeclared identifier ‘TangentX’  
> [2017.08.22-18.04.50:799] 0]LogWindows: Windows GetLastError: The operation completed successfully. (0)

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<div class="post-metadata">

**Author:** ![MaximeDupart](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/maximedupart/32/1194606_2.png) [@MaximeDupart](https://forums.unrealengine.com/u/MaximeDupart)\
**Post date:** [August 22, 2017, 10:42pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4215 "2017-08-22T22:42:19Z")

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There’s a VXGI 4.17 version !! it’s so cool ! i’m so happy, testing right away ! 😃

Edit: it’s working so good ! Bugs from 4.15-4.16 are no more, so happy!

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**Author:** ![The\_Distiller](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@The\_Distiller](https://forums.unrealengine.com/u/The_Distiller)\
**Post date:** [August 26, 2017, 6:04pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4216 "2017-08-26T18:04:53Z")

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> [@.](#):
>
> There’s a VXGI 4.17 version !! it’s so cool ! i’m so happy, testing right away ! 😃
> 
> Edit: it’s working so good ! Bugs from 4.15-4.16 are no more, so happy!

Sounds good! Do you plan to merge 4.17 builds soon? In my case I’d need Hairworks and VXGI.

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**Author:** ![Beregron](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Beregron](https://forums.unrealengine.com/u/Beregron)\
**Post date:** [August 28, 2017, 1:36pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4217 "2017-08-28T13:36:59Z")

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Hi Folks,

it’s me again. I have another question, agin.

Is there a branch or a way to use Hairworks and Turbulence with UE 4.17?

> [@Xu\_Nie](#):
>
> Hi. Get it from [https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4](https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4).

Thanks for that. But actually i wanted to know, how i can make a merge by myself. But thanks for that branch.

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**Author:** ![MaximeDupart](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/maximedupart/32/1194606_2.png) [@MaximeDupart](https://forums.unrealengine.com/u/MaximeDupart)\
**Post date:** [August 28, 2017, 6:11pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4218 "2017-08-28T18:11:29Z")

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> [@The\_Distiller](#):
>
> Sounds good! Do you plan to merge 4.17 builds soon? In my case I’d need Hairworks and VXGI.

Sure, as soon as they have stable released 4.17+

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**Author:** ![AlexanderDG](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AlexanderDG](https://forums.unrealengine.com/u/AlexanderDG)\
**Post date:** [August 29, 2017, 2:01pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4219 "2017-08-29T14:01:34Z")

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Hi, I’ve currently been testing VXGI 4.15 out which works well but I’ve come across an, since it’s quite important to have lightbaking supported for static scene’s. I’ve rebuild UnrealLightmass which fixes the of scene’s not getting baked anymore. But now on objects using LOD’s specifically one’s generated with UE4 itself I get lightmap flickering when lod’s pop. only happens in the VXGI build anybody else experienced or has a fix for ? Would be much appreciated!

Fixed myself by adjusting source code in StaticMesh.cpp, StaticMesh.h and StatichMeshRender.cpp

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**Author:** ![Alex\_Colby](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Alex\_Colby](https://forums.unrealengine.com/u/Alex_Colby)\
**Post date:** [August 29, 2017, 10:46pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4220 "2017-08-29T22:46:00Z")

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Hi AlexanderDG.

Please explain how you have fixed the error by modifying the code of those files

Thanks in advance !!

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<div class="post-metadata">

**Author:** ![AlexanderDG](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@AlexanderDG](https://forums.unrealengine.com/u/AlexanderDG)\
**Post date:** [August 30, 2017, 4:58pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4221 "2017-08-30T16:58:07Z")

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I just noticed currently only fixes in editor and not in packaged games yet, I’ll post the fixes as soon as I got it working in packaged games.

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**Author:** ![Almighty\_gir](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Almighty\_gir](https://forums.unrealengine.com/u/Almighty_gir)\
**Post date:** [August 30, 2017, 10:53pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4222 "2017-08-30T22:53:42Z")

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Hi all.

I’ve been trying out VXGI in 4.17.

I’m getting horrible stuttering.

https://media.giphy/media/3o7aD4KdEIpKNNP6HC/giphy.gif

is with a blank project, but it doesn’t just persist graphically, it affects the entire editor. I can’t develop anything because i have to time my clicks to be in the high framerate part of the stutter.

My system settings:  
i7 6700k  
32gb RAM  
GTX 1080  
Windows 10.

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**Author:** ![shangoadi](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@shangoadi](https://forums.unrealengine.com/u/shangoadi)\
**Post date:** [August 31, 2017, 1:51am UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4223 "2017-08-31T01:51:27Z")

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Hello DmHookie, I have a couple of suggestions I got into making my own VR games in past month. I was able to get translucent water in the vrfunhouse project. I used the flextranslucent fluid from the /flex project in nvidia. But I have problems with boundaries after the liquid lands on a mesh. is a screen shot.

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**Author:** ![sbnewsom](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@sbnewsom](https://forums.unrealengine.com/u/sbnewsom)\
**Post date:** [September 1, 2017, 5:11pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4225 "2017-09-01T17:11:06Z")

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Anyone with VXGI 4.17 having trouble with VS throwing out errors caused by StageFiles? Its giving me errors for the VXGI/HBAO stagefiles on top of other inputs for other plugins. 😕 The error also comes bundled with “error CS1503: Argument 1: cannot convert from ‘UnrealBuildTool.DirectoryReference’ to ‘string’”

So close to finally upgrading to the new engine and can take advantage of Volumetric Fog, but is the only things preventing the transition.

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<div class="post-metadata">

**Author:** ![MaximeDupart](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/maximedupart/32/1194606_2.png) [@MaximeDupart](https://forums.unrealengine.com/u/MaximeDupart)\
**Post date:** [September 2, 2017, 10:55pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4226 "2017-09-02T22:55:12Z")

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> [@](#):
>
> Anyone with VXGI 4.17 having trouble with VS throwing out errors caused by StageFiles? Its giving me errors for the VXGI/HBAO stagefiles on top of other inputs for other plugins. 😕 The error also comes bundled with “error CS1503: Argument 1: cannot convert from ‘UnrealBuildTool.DirectoryReference’ to ‘string’”
> 
> So close to finally upgrading to the new engine and can take advantage of Volumetric Fog, but is the only things preventing the transition.

Maybe check my pullrequest, i had to fix a similar:

/pull/368/files

Sidenote: There’s a new repo named “Blast” which seems to provide incredible destructions. It sounds incredible!  
Can’t wait to see what those destruction looks like, i’m downloading now. The timing is just perfect as i’m working on some Level design right now, it’s fantastic ! 😃

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**Author:** ![Len80](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Len80](https://forums.unrealengine.com/u/Len80)\
**Post date:** [September 4, 2017, 11:36am UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4227 "2017-09-04T11:36:57Z")

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Hey. Please tell me how to install hairwork. I do everything according to the instructions, but the project does not start and crashes at 98%. maybe someone has already collected versions of UE version 4.12 and higher? Who can unload, so I can download?

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**Author:** ![jamietelford](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@jamietelford](https://forums.unrealengine.com/u/jamietelford)\
**Post date:** [September 4, 2017, 9:17pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4228 "2017-09-04T21:17:31Z")

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> [@Len80](#):
>
> Hey. Please tell me how to install hairwork. I do everything according to the instructions, but the project does not start and crashes at 98%. maybe someone has already collected versions of UE version 4.12 and higher? Who can unload, so I can download?

Use build by Xu Nie

[https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4](https://github/niexuchina/UnrealEngineHairWorks/tree/4.17-HairWorks1.4)

Worked great for me

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<div class="post-metadata">

**Author:** ![jamietelford](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@jamietelford](https://forums.unrealengine.com/u/jamietelford)\
**Post date:** [September 4, 2017, 9:32pm UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4229 "2017-09-04T21:32:52Z")

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Actually has anyone merged the VR Funhouse branch with 4.17? For me it seems like a good integration out of the box… especially if you are VRing

/tree/VRFunhouse-4.11

- [FleX](https://developer.nvidia/flex)
- [Flow](https://developer.nvidia/nvidia-flow)
- [Turbulence](https://developer.nvidia/turbulence)
- [HairWorks](https://developer.nvidia/hairworks)
- [VR SLI](https://developer.nvidia/vrworks)
- [MultiRes Shading](https://developer.nvidia/vrworks)
- [Lens Matched Shading](https://developer.nvidia/vrworks)
- [Single Pass Stereo](https://developer.nvidia/vrworks)

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<div class="post-metadata">

**Author:** ![Emrehan](https://d1ap1mz92jnks1.cloudfront.net/user_avatar/forums.unrealengine.com/emrehan/32/1194629_2.png) [@Emrehan](https://forums.unrealengine.com/u/Emrehan)\
**Post date:** [September 5, 2017, 8:48am UTC](https://forums.unrealengine.com/t/nvidia-gameworks-integration/16686/4230 "2017-09-05T08:48:40Z")

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Is Flex integrated to UE4.17 yet? I was using Gameworks integration that was made by MaximeDup but I couldn’t find it for 4.17.

Thanks! (:

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