[dawn][emscripten] Moves refcounting into C++ to leverage atomics. - Unifies objects in JS to a single table keyed on the pointer value of the C++ backing objects. - Adds the necessary shims to do refcounting in C++. - Adds more documentation throughout the files and moves some stuff to match the documentation. Bug: 42240182 Change-Id: Icfdb42705528bc2a3471ed4726945b9fd952e4c1 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/201758 Reviewed-by: Austin Eng <enga@chromium.org> Commit-Queue: Loko Kung <lokokung@google.com> Reviewed-by: Shrek Shao <shrekshao@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.