# WebGPU setup (macOS)
**URL:** https://discourse.vtk.org/t/webgpu-setup-macos/16381
**Category:** Support
**Created:** [April 17, 2026, 12:55pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381 "2026-04-17T12:55:00Z")
**Posts on this page:** 9
**Page:** 1
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 12:55pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/1 "2026-04-17T12:55:00Z")
Hello everyone, I would appreciate it if someone could help with this. I have been trying to follow the following tutorial to no avail. [https://docs.vtk.org/en/latest/modules/vtk-modules/Rendering/WebGPU/README.html#configuring-and-building-vtk](https://docs.vtk.org/en/latest/modules/vtk-modules/Rendering/WebGPU/README.html#configuring-and-building-vtk)
here’s what I have done thus far.
-
```auto
git clone https://github.com/google/dawn dawn && cd dawn
```
-
```auto
git checkout v20250621.085109
```
whilst in the folder `dawn`
-
```auto
cmake -S . -B install_output/bin -GNinja -DDAWN_FETCH_DEPENDENCIES=ON -DDAWN_ENABLE_INSTALL=ON
```
-
```auto
cmake --build install_output/bin
```
- I created a folder in `dawn --> `install_output/install` for installation`
-
```auto
cmake --install install_output/bin --prefix install_output/install
```
thus far I have this
and the content after successful installation is as follow
– so I guess everything when well.
next I decide to go the route `When building on desktop (x86_64/aarch64), configure with`
- `/path/to/vtk/src` is pointing to a checkout of `vtk`
- `/path/to/vtk/build` points to a folder where I want to build called `vtk-debug-webgpu-bin`
- `DDawn_DIR=` points to the installation folder in the screenshot below
– then I execute the following from the folder `vtk-debug-webgpu-bin` I created, mentioned earlier.
note `..` below is used to shorten the path description.
```auto
cmake -S ../vtk
-B .
-GNinja
-DVTK_ENABLE_WEBGPU=ON
-DDawn_DIR=../dawn/install_output/install/lib/cmake/Dawn
-DVTK_BUILD_TESTING=ON
cmake --build .
```
I get the following error.
Has anyone encountered this? if so, what’s the workaround / solution?
---
### Author:  [@jaswantp](https://discourse.vtk.org/u/jaswantp)
#### Post date: [April 17, 2026, 1:17pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/2 "2026-04-17T13:17:54Z")
Hi @Seun
Please try `git checkout v20251002.162335` instead. The docs are being updated in [https://gitlab.kitware.com/vtk/vtk/-/merge\_requests/13067](https://gitlab.kitware.com/vtk/vtk/-/merge_requests/13067).
@Quinn_Powell can you please review that MR. Let’s aim to get it in soon so users can follow updated instructions.
@Seun, apologies for the inconvenience.
---
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 1:46pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/3 "2026-04-17T13:46:08Z")
Hi Jaswant,
No worries. I’ll try the `version` you suggested. Do you think the current instructions available will be sufficient to at least get something going?
---
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 1:54pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/4 "2026-04-17T13:54:54Z")
I think that version is problematic. `v20251002.16233`
---
### Author:  [@jaswantp](https://discourse.vtk.org/u/jaswantp)
#### Post date: [April 17, 2026, 1:56pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/5 "2026-04-17T13:56:12Z")
you have a typo. try `v20251002.162335`
---
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 1:58pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/6 "2026-04-17T13:58:04Z")
Sorry, this is the actual error I get. Ignore the initial post. I tried it twice and accidentally left out the last digit.
---
### Author:  [@jaswantp](https://discourse.vtk.org/u/jaswantp)
#### Post date: [April 17, 2026, 2:00pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/7 "2026-04-17T14:00:26Z")
The tag definitely exists on github [GitHub - google/dawn at v20251002.162335 · GitHub](https://github.com/google/dawn/tree/v20251002.162335).
Maybe try `git fetch --tags` first?
---
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 2:04pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/8 "2026-04-17T14:04:25Z")
Perhaps there is a difference between `https://dawn.googlesource.com/dawn` which is what the build was based on and `https://github.com/google/dawn` you are referring to. I’ll try that, hopefully all goes well. Thanks.
---
### Author:  [@Seun](https://discourse.vtk.org/u/Seun)
#### Post date: [April 17, 2026, 3:14pm UTC](https://discourse.vtk.org/t/webgpu-setup-macos/16381/9 "2026-04-17T15:14:38Z")
Hi Jaswant, I was able to get everything up and running following your suggestion. Looking forward to the MR. Thanks a lot.