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Initialiazing var foo: vec4f = vec4() fails with "type can't be inferred" #7356

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andyleiserson opened this issue Mar 17, 2025 · 1 comment · Fixed by #7367
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Initialiazing var foo: vec4f = vec4() fails with "type can't be inferred" #7356

andyleiserson opened this issue Mar 17, 2025 · 1 comment · Fixed by #7367
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@andyleiserson
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area: naga front-end lang: WGSL WebGPU Shading Language naga Shader Translator type: bug Something isn't working

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@andyleiserson
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This failure is from https://martinlaxenaire.github.io/gpu-curtains/examples/shadow-mapping/ via https://bugzilla.mozilla.org/show_bug.cgi?id=1876519, although I think I also hit this problem writing test cases for an unrelated issue.

Shader 'Mesh 0 material render pipeline: fragment shader module' parsing error: type can't be inferred
    ┌─ wgsl:525:28
    │
525 │   var outputColor: vec4f = vec4();
    │                            ^^^^ type can't be inferred
@andyleiserson andyleiserson added lang: WGSL WebGPU Shading Language naga Shader Translator labels Mar 17, 2025
@andyleiserson andyleiserson self-assigned this Mar 17, 2025
@andyleiserson andyleiserson added the type: bug Something isn't working label Mar 17, 2025
@ErichDonGubler
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Self-contained example:

@compute @workgroup_size(1, 1)
fn main() {
  var bruh: vec3u = vec3();
}

@andyleiserson andyleiserson mentioned this issue Mar 18, 2025
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andyleiserson added a commit to andyleiserson/wgpu that referenced this issue Mar 18, 2025
@andyleiserson
[naga wgsl-in] vecN() constructors and let type conversions
42fad43 
* Support `vecN()` constructors (fixes gfx-rs#7356)
* Apply automatic conversions to the initializer for `let` bindings
@andyleiserson andyleiserson mentioned this issue Mar 18, 2025
Merged
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@andyleiserson andyleiserson linked a pull request Mar 18, 2025 that will close this issue
[naga wgsl-in] vecN() constructors and let type conversions #7367
Merged
6 tasks
ErichDonGubler pushed a commit to andyleiserson/wgpu that referenced this issue Mar 20, 2025
@andyleiserson @ErichDonGubler
[naga wgsl-in] vecN() constructors and let type conversions
3541f58 
* Support `vecN()` constructors (fixes gfx-rs#7356)
* Apply automatic conversions to the initializer for `let` bindings
@andyleiserson andyleiserson moved this from Todo to In Progress in WebGPU for Firefox Mar 21, 2025
andyleiserson added a commit to andyleiserson/wgpu that referenced this issue Mar 31, 2025
@andyleiserson
[naga wgsl-in] vecN() constructors and let type conversions
ac77548 
* Support `vecN()` constructors (fixes gfx-rs#7356)
* Apply automatic conversions to the initializer for `let` bindings
andyleiserson added a commit to andyleiserson/wgpu that referenced this issue Apr 2, 2025
@andyleiserson
[naga wgsl-in] vecN() constructors and let type conversions
f62b152 
* Support `vecN()` constructors (fixes gfx-rs#7356)
* Apply automatic conversions to the initializer for `let` bindings
andyleiserson added a commit that referenced this issue Apr 2, 2025
@andyleiserson
[naga wgsl-in] vecN() constructors and let type conversions (#7367)
2c777f7 
* Support `vecN()` constructors (fixes #7356)
* Apply automatic conversions to the initializer for `let` bindings
@github-project-automation github-project-automation bot moved this from In Progress to Done in WebGPU for Firefox Apr 2, 2025
Vecvec pushed a commit to Vecvec/wgpu that referenced this issue Apr 11, 2025
@andyleiserson @Vecvec
[naga wgsl-in] vecN() constructors and let type conversions (gfx-…
7d7d1fa 
…rs#7367)

* Support `vecN()` constructors (fixes gfx-rs#7356)
* Apply automatic conversions to the initializer for `let` bindings
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@andyleiserson andyleiserson

Labels
area: naga front-end lang: WGSL WebGPU Shading Language naga Shader Translator type: bug Something isn't working
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WebGPU for Firefox
Status: Done
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[naga wgsl-in] vecN() constructors and let type conversions andyleiserson/wgpu
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@ErichDonGubler @cwfitzgerald @andyleiserson