CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Austin Eng 58c655b6b3 Complete per-backend AdapterDiscoveryOptions
D3D12, OpenGL, and OpenGLES have their own backend-specific
AdapterDiscoveryOptions. Add the same for Vulkan and Metal so we can
selectively discover just Vulkan or Metal adapters.

The Vulkan options include a boolean forceSwiftShader to force
Dawn to discover only SwiftShader on the Vulkan backend.

Also, refactor D3D12's DiscoverDefaultAdapters to simply call
DiscoverAdapters to match the other backends.

Bug: chromium:1266550
Change-Id: I137f94b40084b2d0ddeda39b6b7ef20f033d8a4b
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/69522
Commit-Queue: Austin Eng <enga@chromium.org>
Reviewed-by: Loko Kung <lokokung@google.com>
2021-12-06 20:58:56 +00:00
.vscode .vscode: Fix quotations in windows 'gn gen' task 2021-07-21 14:07:49 +00:00
build_overrides Added Abseil as a third-party dependency (Take 2) 2021-09-23 20:36:03 +00:00
docs Make the prefix of proc table configurable in api.json 2021-12-05 05:29:44 +00:00
examples Improve ScopedEnvironmentVar to distinguish between null and empty 2021-11-16 23:37:15 +00:00
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third_party Roll Vulkan headers to 1.2.201 2021-12-02 20:27:58 +00:00
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dawn.json Make the prefix of proc table configurable in api.json 2021-12-05 05:29:44 +00:00
dawn_wire.json Add 'reason' argument to device lost callback 2021-09-28 11:52:17 +00:00

README.md

Dawn's logo: a sun rising behind a stylized mountain inspired by the WebGPU logo. The text "Dawn" is written below it.

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.
  • 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:

Documentation table of content

Developer documentation:

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.