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What is the necessary lifetime of a bind group in WebGPU? I have not been able to find clear documentation on this. I'm using the C/C++ bindings for wgpu.

Is it allowed to release a bind group immediately after submitting the command buffer to the queue, or does it have to persist longer?

I am doing some compute shader work and I need to dispatch work onto subranges of buffers. These ranges are generally not known until runtime, so it seems I need to create a one-off bind group selecting the range, after which it is not needed anymore. After submitting, when does it become safe to release them?

As a bonus, is there a better way to select dynamic subranges of buffers?

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  • Update: I've found how to dispatch dynamic ranges via setBindGroup(), which solves half of my problem. But my question about lifetime still remains! Commented Aug 3, 2024 at 22:46
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    Following. I'm surprised that the GPU spec says almost nothing about this. Commented Aug 4, 2024 at 16:44
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