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dawn / dawn / f6b8e11c4750e11f3ed5591f2052851dcd7d2a9a
commitf6b8e11c4750e11f3ed5591f2052851dcd7d2a9a[log] [tgz]
authorKai Ninomiya <kainino@chromium.org>Tue Feb 25 09:54:57 2025 -0800
committerDawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>Tue Feb 25 09:54:57 2025 -0800
tree056af9d17b0e18978a25bf001ff2522a822e2487
parentb946efd8c2d0619aaca47f6f62075090dd6880d1 [diff]
[emscripten] Expose new standard and experimental extensions

Standard (some of these are not implemented in Dawn yet, so needed to
update the assertion logic to allow this):
- "clip-distances"
- "dual-source-blending"
- "texture-compression-bc-sliced-3d"
- "texture-compression-astc-sliced-3d"

Experimental (these are Dawn extensions which Emscripten also
implements, which also needed updates to the assertion logic):
- "chromium-experimental-unorm16-texture-formats"
- "chromium-experimental-snorm16-texture-formats"
- "chromium-experimental-multi-draw-indirect"
- "subgroups-f16" - this is being removed, but leave it in Emscripten
  for now just in case anyone needs it. Fine to remove as soon as Dawn
  removes it.

Also renumber all of the standard extensions so they match upstream
webgpu.h.

Fixed: 393525658, 393557664
Change-Id: I3d3ae14905706524408ced8fef80db13357bbcd4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/227414
Auto-Submit: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Loko Kung <lokokung@google.com>
Reviewed-by: Loko Kung <lokokung@google.com>
4 files changed
tree: 056af9d17b0e18978a25bf001ff2522a822e2487
  1. .github/
  2. .vscode/
  3. build_overrides/
  4. docs/
  5. generator/
  6. include/
  7. infra/
  8. scripts/
  9. src/
  10. test/
  11. third_party/
  12. tools/
  13. webgpu-cts/
  14. build
  15. buildtools
  16. testing
  17. .bazelrc
  18. .clang-format
  19. .clang-tidy
  20. .git-blame-ignore-revs
  21. .gitattributes
  22. .gitignore
  23. .gitmodules
  24. .gn
  25. AUTHORS
  26. BUILD.bazel
  27. BUILD.gn
  28. CMakeLists.txt
  29. CMakeSettings.json
  30. CODE_OF_CONDUCT.md
  31. codereview.settings
  32. CONTRIBUTING.md
  33. CPPLINT.cfg
  34. DEPS
  35. DIR_METADATA
  36. go.mod
  37. go.sum
  38. go_presubmit_support.py
  39. LICENSE
  40. OWNERS
  41. PRESUBMIT.py
  42. README.chromium
  43. README.md
  44. WATCHLISTS
  45. WORKSPACE.bazel
README.md

Build Status Matrix Space

Dawn, a WebGPU implementation

Dawn is an open-source and cross-platform implementation of the 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, 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:

Documentation table of content

Developer documentation:

User documentation: (TODO, figure out what overlaps with the webgpu.h docs)

License

BSD 3-Clause License, please see LICENSE.

Disclaimer

This is not an officially supported Google product.