uncaught exception - Canvas texture format `rgba16float` is not yet supported

[dkorpel]

When opening https://webgpu.github.io/webgpu-samples/?sample=particles on FireFox 150.0.2 (64-bit), Windows 11:

uncaught exception, please report a bug!
  https://github.com/webgpu/webgpu-samples/issues/new
TypeError: GPUCanvasContext.configure: Canvas texture format `rgba16float` is not yet supported. Subscribe to <https://bugzilla.mozilla.org/show_bug.cgi?id=1834395> for updates on its development in Firefox.

While the implementation is up to FireFox, the expected behavior for the webgpu sample is to catch and report the Exception gracefully instead of saying "uncaught exception, please report a bug!".

[greggman]

I'm sure someone else will decide what to do here but the WebGPU spec requires 'rgba16float' canvas support. The fact that Firefox doesn't support it 3 years after the spec shipped should be filed as a bug in Firefox. I get that maybe it's pragmatic to work around browser bugs but I don't like the idea of propagating code that's not supposed to exist. You're not supposed to have to check.

[dkorpel]

The error already links to a bug in FireFox, but it first links to this issue tracker and explicitly asks to file a bug. So perhaps that text is better put below the exception message saying "please file a bug unless the browser is at fault here".