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dawn / dawn / d032c62285efd98d79454ae72ace0a8b231bea45
commitd032c62285efd98d79454ae72ace0a8b231bea45[log] [tgz]
authorAntonio Maiorano <amaiorano@google.com>Thu Sep 19 18:20:54 2024 +0000
committerDawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>Thu Sep 19 18:20:54 2024 +0000
treefbe8d944456e8d27c6c2a189184056deaf1db5da
parentd3492197b0da79174278f3695011030818be80f4 [diff]
HLSL-IR: emit constant i32 literals as int(<literal>)

DXC workaround: unless we compile with '-HV 202x', constant signed
integral values are interpreted 64-bit ints. Apart from this not
matching our intent, there are bugs in DXC when handling 64-bit integer
splats. Therefore, we always make sure to emit these values as 32-bit
signed ints.

Note that this fixes 110 Tint e2e test failures (difficult to see
because so many other tests are affected by this change).

Note that this obviates the need for this change, which we can revert
later: https://dawn-review.googlesource.com/c/dawn/+/205915

Bug: 368092875
Bug: 361794783
Change-Id: I2d0ef1dd00ae41e16094438f056851ecab6466a6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/207334
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: James Price <jrprice@google.com>
Reviewed-by: dan sinclair <dsinclair@google.com>
5651 files changed
tree: fbe8d944456e8d27c6c2a189184056deaf1db5da
  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. .gitattributes
  21. .gitignore
  22. .gitmodules
  23. .gn
  24. AUTHORS
  25. BUILD.bazel
  26. BUILD.gn
  27. CMakeLists.txt
  28. CMakeSettings.json
  29. CODE_OF_CONDUCT.md
  30. codereview.settings
  31. CONTRIBUTING.md
  32. CPPLINT.cfg
  33. DEPS
  34. DIR_METADATA
  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. WATCHLISTS
  44. 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.