[wgpu-header] Clean up for 2nd userdata for mapAsync and workDone. - Updates relevant usages to use the new C++ helpers. - Updates Null backend to more realistically simulate queue work. - Note that these are done together and not in separate changes because they have some inter-dependency. Bug: 42241461 Change-Id: I3866972355cf3ae2b3f82a1c41d47dbbc5308535 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/188445 Reviewed-by: Kai Ninomiya <kainino@chromium.org> Reviewed-by: Austin Eng <enga@chromium.org> Commit-Queue: Loko Kung <lokokung@google.com>
Dawn is an open-source and cross-platform implementation of the WebGPU standard. More precisely it implements webgpu.h that is a one-to-one mapping with the WebGPU IDL. Dawn is meant to be integrated as part of a larger system and is the underlying implementation of WebGPU in Chromium.
Dawn provides several WebGPU building blocks:
webgpu.h version that Dawn implements.webgpu.h.Helpful links:
Developer documentation:
User documentation: (TODO, figure out what overlaps with the webgpu.h docs)
BSD 3-Clause License, please see LICENSE.
This is not an officially supported Google product.