commit | 21ede9d0b91213a9de580e94d179933726084e60 | [log] [tgz] |
---|---|---|
author | Tint team <no-reply@google.com> | Mon Oct 17 07:54:36 2022 +0000 |
committer | Tint LUCI CQ <tint-scoped@luci-project-accounts.iam.gserviceaccount.com> | Mon Oct 17 07:54:36 2022 +0000 |
tree | 881c04356bb9bfbedf15c60264eccf97cb21bf2e | |
parent | c2fdb7823abc6e64d59be1f5547d3d7465a4f2d0 [diff] |
Import Tint changes from Dawn Changes: - 99084a411df0454ca5d144f0e574b4a0e54b429d tint/resolver: fix diagnostic source for test by Ben Clayton <bclayton@google.com> - 72ac53e5fa8c7837750a3dfec350775da72e8aef Convert binding and group attributes to expressions. by dan sinclair <dsinclair@chromium.org> - 308c55d9e0cbad1cf2a1f11ac8acb3face71ceee Convert `size` attribute to expressions. by dan sinclair <dsinclair@chromium.org> - d9222f44c9b1f020fabb35e94e5c436320815537 tint/resolver: Validate discard is only used by fragment ... by Ben Clayton <bclayton@google.com> - 1a567780d9b2c32d0ce1e8dfa5846a382139b643 tint/writer: Check extensions are supported by Ben Clayton <bclayton@google.com> GitOrigin-RevId: 99084a411df0454ca5d144f0e574b4a0e54b429d Change-Id: I74562d1c9fb6fdcf36a754bf76f1ef285619c2f2 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/106080 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Copybara Prod <copybara-worker-blackhole@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
Note: This repo is read-only, minimized mirror of the Dawn repo.
Tint changes should be made in the Dawn repo.
Tint is a compiler for the WebGPU Shader Language (WGSL).
This is not an officially supported Google product.
TINT_BUILD_SPV_READER
: enable the SPIR-V input reader (off by default)TINT_BUILD_WGSL_READER
: enable the WGSL input reader (on by default)TINT_BUILD_SPV_WRITER
: enable the SPIR-V output writer (on by default)TINT_BUILD_WGSL_WRITER
: enable the WGSL output writer (on by default)TINT_BUILD_FUZZERS
: enable building fuzzzers (off by default)Tint uses Chromium dependency management so you need to install depot_tools and add it to your PATH.
# Clone the repo as "tint" git clone https://dawn.googlesource.com/tint tint cd tint # Bootstrap the gclient configuration cp standalone.gclient .gclient # Fetch external dependencies and toolchains with gclient gclient sync
mkdir -p out/Debug cd out/Debug cmake -GNinja ../.. ninja # or autoninja
mkdir -p out/Debug cd out/Debug cmake ../.. make # -j N for N-way parallel build
mkdir -p out/Debug gn gen out/Debug autoninja -C out/Debug
If you are attempting fuzz, using TINT_BUILD_FUZZERS=ON
, the version of llvm in the XCode SDK does not have the needed libfuzzer functionality included.
The build error that you will see from using the XCode SDK will look something like this:
ld: file not found:/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/clang/11.0.0/lib/darwin/libclang_rt.fuzzer_osx.a
The solution to this problem is to use a full version llvm, like what you would get via homebrew, brew install llvm
, and use something like CC=<path to full clang> cmake ..
to setup a build using that toolchain.
The gn based work flow uses the Chromium toolchain for building in anticipation of integration of Tint into Chromium based projects. This toolchain has additional plugins for checking for style issues, which are marked with [chromium-style] in log messages. This means that this toolchain is more strict then the default clang toolchain.
In the future we will have a CQ that will build this work flow and flag issues automatically. Until that is in place, to avoid causing breakages you can run the [chromium-style] checks using the CMake based work flows. This requires setting CC
to the version of clang checked out by gclient sync
and setting the TINT_CHECK_CHROMIUM_STYLE
to ON
.
mkdir -p out/style cd out/style cmake ../.. CC=../../third_party/llvm-build/Release+Asserts/bin/clang cmake -DTINT_CHECK_CHROMIUM_STYLE=ON ../../ # add -GNinja for ninja builds
Please file any issues or feature requests at https://bugs.chromium.org/p/tint/issues/entry
Please see the contributing guide in the Dawn repo.