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dawn / dawn / bd8de5d2a4855b6d0c7e9f8383ccc14024bfd91b
commitbd8de5d2a4855b6d0c7e9f8383ccc14024bfd91b[log] [tgz]
authorCorentin Wallez <cwallez@chromium.org>Thu Apr 28 19:00:53 2022 +0000
committerDawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>Thu Apr 28 19:00:53 2022 +0000
tree194463e07c8baa0bec7e97f390f901d2f6957fe5
parent01004b7732abf4e2587a7d560828e49156ca6633 [diff]
Add MetalRenderR8RG8UnormSmallMipToTempTexture workaround

This workaround replaces the toggle that forbids creating mipmapped
R8Unorm and RG8Unorm textures on Metal. Instead it adds a Metal render
pass workaround that renders to a temporary texture under certain
conditions, then copies back to the correct mip level.

The texture lazy-clearing code is also changed to use the helper that
does workarounds for Metal render passes.

A test is added that triggers the issue with a small amount of code, but
more extensive coverage is left to the CTS. For example texture_zero
tests caught multiple issues during the creation of this CL.

Bug: dawn:1071

Change-Id: I7ef1151524e71e5a9a8e8f5205d9b554bee438b3
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/87864
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
9 files changed
tree: 194463e07c8baa0bec7e97f390f901d2f6957fe5
  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. .clang-format
  14. .gitattributes
  15. .gitignore
  16. .gn
  17. AUTHORS
  18. BUILD.gn
  19. CMakeLists.txt
  20. CMakeSettings.json
  21. CODE_OF_CONDUCT.md
  22. codereview.settings
  23. CONTRIBUTING.md
  24. CPPLINT.cfg
  25. dawn.json
  26. dawn_wire.json
  27. DEPS
  28. DIR_METADATA
  29. Doxyfile
  30. go.mod
  31. go.sum
  32. LICENSE
  33. OWNERS
  34. PRESUBMIT.py
  35. README.chromium
  36. README.md
  37. 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 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
  • Tint is a compiler for the WebGPU Shader Language (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.