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This reverts commit 2b3975f808fd6f5afc5a52e58a3dcd5e73984b17. Reason for revert: causes the failure in crbug.com/1041358 Original change's description: > Metal: Add CommandRecordingContext > > Introduces the idea of a CommandRecordingContext to the Metal backend, > similar to other backends. This is a class to track which Metal encoder > is open on the device-global pending MTLCommandBuffer. > It will be needed to open/close encoders for lazy clearing. > > Bug: dawn:145 > Change-Id: Ief6b71a079d73943677d2b61382d1c36b88a4f87 > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/14780 > Reviewed-by: Corentin Wallez <cwallez@chromium.org> > Reviewed-by: Kai Ninomiya <kainino@chromium.org> > Commit-Queue: Austin Eng <enga@chromium.org> TBR=cwallez@chromium.org,kainino@chromium.org,enga@chromium.org # Not skipping CQ checks because original CL landed > 1 day ago. Bug: dawn:145 Bug: chromium:1041358 Change-Id: I05c76cd96f723230d05cff65127dc8513d5e03c5 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15060 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Dawn, a WebGPU implementation
Dawn is an open-source and cross-platform implementation of the work-in-progress 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 C/C++ headers that applications and other building blocks use.
- The
webgpu.hversion that Dawn implements. - A C++ wrapper for the
webgpu.h.
- The
- A "native" implementation of WebGPU using platforms' GPU APIs:
- D3D12 on Windows 10
- Metal on macOS and iOS
- Vulkan on Windows, Linux, ChromeOS, Android and Fuchsia
- OpenGL as best effort where available
- A client-server implementation of WebGPU for applications that are in a sandbox without access to native drivers
Helpful links:
- Dawn's bug tracker if you find issues with Dawn.
- Dawn's mailing list for other discussions related to Dawn.
- Dawn's source code
Documentation table of content
Developer documentation:
User documentation: (TODO, figure out what overlaps with webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.