commit: d465c0bb58d5f7f00d581da8a6c6b9c74f77049a
[log]
author: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Wed Apr 08 02:38:39 2026 -0700
committer: Dawn LUCI CQ <dawn-scoped@luci-project-accounts.iam.gserviceaccount.com>
Wed Apr 08 02:38:39 2026 -0700
tree: 711d077de67a50ef1f113c02a00ca8f70d128eb9
parent: af38d6bb89e2e6eef6ae7a8e1027e9e96f949d98 [diff]

Roll DirectX Shader Compiler from 0131a62667f6 to ff6b0b930c6c (4 revisions)

https://chromium.googlesource.com/external/github.com/microsoft/DirectXShaderCompiler.git/+log/0131a62667f6..ff6b0b930c6c

2026-04-07 hekotas@microsoft.com [SM6.10][Bugfix] Update built-in definitions to allow vectors of different sizes (#8347)
2026-04-07 ascoleman@microsoft.com [build][fix][x86] Fixes a compiler error on x86 targets (#8348)
2026-04-07 jenatali@microsoft.com Change scope nested CFG passes to use a stack instead of recursion (#8227)
2026-04-06 ascoleman@microsoft.com [SM6.10][Bugfix][HLK] Only define SDK consts when missing (#8341)

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/directx-shader-compiler-dawn
Please CC chouinard@google.com,webgpu-developers@google.com on the revert to ensure that a human
is aware of the problem.

To file a bug in DirectX Shader Compiler: https://github.com/microsoft/DirectXShaderCompiler/issues/new/choose
To file a bug in Dawn: https://bugs.chromium.org/p/dawn/issues/entry

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Bug: None
Tbr: chouinard@google.com
Change-Id: I5eb164b26498b5e8d63d7a86df678c14160effb4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/301576
Bot-Commit: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>
Commit-Queue: Dawn Autoroller <dawn-autoroll@skia-public.iam.gserviceaccount.com>

DEPS[diff]
third_party/dxc[diff]

2 files changed

tree: 711d077de67a50ef1f113c02a00ca8f70d128eb9

README.md

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:

Dawn bug tracker if you find issues with Dawn. Create a new issue here.
Tint bug tracker if you find issues with Tint. Create a new issue here.
Dawn's mailing list for other discussions related to Dawn.
Dawn's source code
Dawn's Matrix chatroom for live discussion around contributing or using Dawn.
WebGPU's Matrix chatroom

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.