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WGSL shaders: Added specific documentation for the use of the "color" attribute #755

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Jan 18, 2023
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WGSL shaders: Added specific documentation for the use of the "color" attribute #755

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2 changes: 2 additions & 0 deletions content/setup/support/webGPU/webGPUWGSL.md
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Expand Up @@ -17,6 +17,8 @@ If you want to write shader code in the WGSL language, you can either write a [c
## Using ShaderMaterial to write WGSL code
You can use the `ShaderMaterial` class to write WGSL code in much the same way you use it to write GLSL but with some small differences.

Note: if you use the "color" attribute in your shader code, don't add it to the **attributes** property passed to the `ShaderMaterial` constructor! This attribute will be automatically added if a vertex buffer named "color" is attached to the mesh. If you add "color" to the **attributes** array, you will get an error like "Attribute shader location (1) is used more than once".

### Setting the right shader language
You must set the `shaderLanguage` property to `BABYLON.ShaderLanguage.WGSL` in the `options` parameter you pass to the constructor.
For eg:
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