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New mesh shader limits #8507

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@inner-daemons
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@inner-daemons inner-daemons commented Nov 10, 2025 •
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Connections
Depends on #8370
Works towards #7197
Closes #8003

Description
Add new limits and validation for mesh shaders

Testing
Same old, same old

Squash or Rebase?
Squash

Checklist

  • Run cargo fmt.
  • Run taplo format.
  • Run cargo clippy --tests. If applicable, add:
    • --target wasm32-unknown-unknown
  • Run cargo xtask test to run tests.
  • If this contains user-facing changes, add a CHANGELOG.md entry.

inner-daemons and others added 30 commits August 14, 2025 12:53
@inner-daemons
Initial commit
1c90d19
@inner-daemons
Other initial changes
8c3e550
@inner-daemons
Updated shader snapshots
85bbc5a
@inner-daemons
Added new HLSL limitation
ccf8467
@inner-daemons
Moved error to global variable error
e55c02f
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
f3a31a4
@inner-daemons
Added docs to per_primitive
0f6da75
@inner-daemons
Added a little bit more docs here and there in IR
3017214
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
19b55b5
@inner-daemons
Adding validation to ensure that task shaders have a task payload
198437b
@inner-daemons
Updated spec to reflect the change to payload variables
64000e4
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
0575e98
@inner-daemons
Updated the mesh shading spec because it was goofy
b572ec7
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
34d0411
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
02664e4
@jimblandy
some doc tweaks
7bec4dd
@inner-daemons
Tried to clarify docs a little
2fcb853
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
3009b5a
@inner-daemons
Tried to update spec
8bfe106
@inner-daemons
Removed a warning
6ccaeec
@inner-daemons
Addressed comment about docs mistake
5b7ba11
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
29c6972
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
63fa8b5
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
26c8681
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
d9cac9c
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
c112cb4
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
e1ff67d
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
64644f7
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
739948b
@inner-daemons
Merge branch 'trunk' into mesh-shading/naga-ir
7ca25a4
@inner-daemons inner-daemons mentioned this pull request Nov 10, 2025
Open
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@inner-daemons inner-daemons mentioned this pull request Nov 10, 2025
Merged
6 tasks
@inner-daemons inner-daemons marked this pull request as ready for review November 10, 2025 23:35
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@cwfitzgerald cwfitzgerald Awaiting requested review from cwfitzgerald

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Successfully merging this pull request may close these issues.

Limits & validation of mesh and task shader interface in wgpu-core

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@inner-daemons @cwfitzgerald @jimblandy