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This reverts commit a753ad47a48fc0fba6e617b7ffcddc0e1fdc4b2e. Reason for revert: This seems to be breaking `gn check` when the option is not enabled. Not sure why the preprocessor guard isn't working. Will fix and reland later. Original change's description: > Add writer to emit the AST. > > This CL adds a new `SyntaxTree` writer and a `dump-syntax-tree` option > to the `tint` program which emits a copy of the AST to the terminal. > > Change-Id: I83f6cd7aad3413b0a823728e8aac0d551421b33a > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122540 > Reviewed-by: Ben Clayton <bclayton@google.com> > Commit-Queue: Dan Sinclair <dsinclair@chromium.org> > Kokoro: Kokoro <noreply+kokoro@google.com> TBR=dsinclair@chromium.org,bclayton@google.com,noreply+kokoro@google.com,dawn-scoped@luci-project-accounts.iam.gserviceaccount.com Change-Id: Icaac76f8daba6034658cf05e15f15676ce2bf155 No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/122760 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Dan Sinclair <dsinclair@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.com>
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.