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WGSL and SPIR-V modules can contain multiple entrypoints, for different shader stages, that the pipelines can choose from. This is the first CL in a stack that will change Dawn internals to not rely on ShaderModules having a single entrypoint. EntryPointMetadata is introduced that will contain all reflection data for an entrypoint of a shader module. To ease review this CL doesn't introduce any functional changes and doesn't expose the EntryPointMetadata at the ShaderModuleBase interface. Instead ShaderModuleBase contains a single metadata object for its single entry point, and layout-related queries and proxied to the EntryPointMetadata object. Finally some small renames and formatting changes are done. Bug: dawn:216 Change-Id: I0f4d12a5075ba14c5e8fd666be4073d34288f6f9 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/27240 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Austin Eng <enga@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
- Dawm'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.