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dawn / dawn / a9691e1ef6841c9675ffb95134f8bb8319d5257e
commita9691e1ef6841c9675ffb95134f8bb8319d5257e[log] [tgz]
authorJames Price <jrprice@google.com>Mon Aug 14 14:17:51 2023 +0000
committerDawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>Mon Aug 14 14:17:51 2023 +0000
tree612271d2ade2bd973639e625976e1f443fa1d1fd
parentc8b5e73fc519d3c841611afc454673ee43a7f216 [diff]
[msl] Add support for chromium_experimental_subgroups

Use a transform to replace calls to `subgroupBallot()` with a helper
function that masks out the unused bits, as well as converting the
64-bit output from MSL's `simd_active_threads_mask()` function to a
vec4u.

Adds the ability to change the target MSL version used for validation,
which is automatically bumped to MSL 2.1 if the subgroups extension is
used.

Bug: tint:2000
Change-Id: I3161b249acd90378be52b18f6325c82fd9dc80b2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/146460
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
15 files changed
tree: 612271d2ade2bd973639e625976e1f443fa1d1fd
  1. .vscode/
  2. build_overrides/
  3. docs/
  4. generator/
  5. include/
  6. infra/
  7. scripts/
  8. src/
  9. test/
  10. third_party/
  11. tools/
  12. webgpu-cts/
  13. build
  14. buildtools
  15. testing
  16. .clang-format
  17. .clang-tidy
  18. .gitattributes
  19. .gitignore
  20. .gitmodules
  21. .gn
  22. AUTHORS
  23. BUILD.gn
  24. CMakeLists.txt
  25. CMakeSettings.json
  26. CODE_OF_CONDUCT.md
  27. codereview.settings
  28. CONTRIBUTING.md
  29. CPPLINT.cfg
  30. dawn.json
  31. dawn_wire.json
  32. DEPS
  33. DIR_METADATA
  34. Doxyfile
  35. go.mod
  36. go.sum
  37. go_presubmit_support.py
  38. LICENSE
  39. OWNERS
  40. PRESUBMIT.py
  41. README.chromium
  42. README.md
  43. tint_overrides_with_defaults.gni
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, 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)

Status

(TODO)

License

Apache 2.0 Public License, please see LICENSE.

Disclaimer

This is not an officially supported Google product.