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Previously when moving around directories for generated files, Dawn ran into an issue where stale files where #included instead of the new ones, causing compilation failures. To get around this a remove_stale_autogen_files mechanism was added that scans the gen/ directory for files not in an allow-list of directories. This mechanism is now causing problems for bringing up Dawn standalone tests on Android as these test also generate files in Dawn's gen/ directories, and their files get deleted by remove_stale_autogen_files. We are not foresseing any additional shuffling of directories and it's safe to expect that all stale files have been removed from CI builder caches at this time. So remove_stale_autogen_files can go. This is what this CL does. Fixed: dawn:1543 Change-Id: I7dbf1eae6c55b7659f3837b6d4a565052001ce57 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/103040 Reviewed-by: Austin Eng <enga@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.hversion that Dawn implements. - A C++ wrapper for the
webgpu.h.
- The
- A "native" implementation of WebGPU using platforms' GPU APIs: D3D12, Metal, Vulkan and OpenGL. See per API support for more details.
- A client-server implementation of WebGPU for applications that are in a sandbox without access to native drivers
- Tint is a compiler for the WebGPU Shader Language (WGSL) that can be used in standalone to convert shaders from and to WGSL.
Helpful links:
- Dawn bug tracker if you find issues with Dawn.
- Tint bug tracker if you find issues with Tint.
- 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
- Tint mirror for standalone usage.
Documentation table of content
Developer documentation:
- Dawn overview
- Building
- Contributing
- Code of Conduct
- Testing Dawn
- Debugging Dawn
- Dawn's infrastructure
- Dawn errors
- Tint experimental extensions
User documentation: (TODO, figure out what overlaps with the webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.