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The OSX machines in "luci.flex.try" pool that run Dawn tryjobs have been upgraded from OSX 10.14 to OSX 10.15. Per [1], the preferred Xcode version on OSX 10.15 is '12a7209' and most tryjobs (from other projects) install that version. But when a Dawn tryjob runs, it rolls Xcode back to '11b52'. Reinstalling Xcode back and forth like that takes time (~20 min), it caused some tryjobs in the "infra" project to timeout. Unhardcode Xcode version in Dawn configs. It should allow the recipe to pick the "best" version ('12a7209' in this case). [1]: https://source.chromium.org/chromium/chromium/tools/depot_tools/+/master:recipes/recipe_modules/osx_sdk/api.py;l=21?q=11b52&ss=chromium R=cwallez@chromium.org, tandrii@chromium.org Change-Id: I8499a763679b9e9270854bf66c2a21f1e6354594 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/29440 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: 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.h
version 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
- Dawn's Matrix chatroom for live discussion around contributing or using Dawn.
- WebGPU's Matrix chatroom
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.
Description
CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
Languages
C++
59.9%
HLSL
18.2%
GLSL
17.3%
Go
2.1%
Objective-C++
0.8%
Other
1.6%