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dawn / dawn / c5c748072ae6a28c17e73578f7d6b9556fb8415a
commitc5c748072ae6a28c17e73578f7d6b9556fb8415a[log] [tgz]
authorAntonio Maiorano <amaiorano@google.com>Thu Aug 08 14:45:08 2024 +0000
committerDawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>Thu Aug 08 14:45:08 2024 +0000
treea19566e09b9598d2dc451431ed04c95626786234
parent8f3ec78e223412d40fd76020c78fe2ea1270068d [diff]
DXC: enable asserts in non-debug builds

This change enables asserts in non-debug builds of DXC by undefining
NDEBUG, and defining LLVM_ASSERTIONS_NO_STRINGS, and
LLVM_ASSERTIONS_TRAP.

We do this to reduce the DXC security bug rate by preferring assertions.
We make sure assertions always trap, which makes the GPU process crash.

The binary size of dxcompiler.dll increases by 3.5 MiB. We drop
assertion strings, which would otherwise add another 3 MiB. The Chrome
installer payload increases by 738 KiB. This increase was approved by
chrome-binary-size@, see
go/webgpu-dxc-asserts-in-non-debug-increasing-installer-size.

Change-Id: I44d0ca34de7085e5d88df6079892fc2f5bbf867f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/199734
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
3 files changed
tree: a19566e09b9598d2dc451431ed04c95626786234
  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. 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.