commit | 4dc94c8395b537dfd114bfcf3f19d668bac444ee | [log] [tgz] |
---|---|---|
author | Tint team <no-reply@google.com> | Fri Jul 08 07:04:34 2022 +0000 |
committer | Tint LUCI CQ <tint-scoped@luci-project-accounts.iam.gserviceaccount.com> | Fri Jul 08 07:04:34 2022 +0000 |
tree | cef2b4fc64b34ccda4447c9c029bfa54eab75396 | |
parent | b51067cb48e5d22deba57e68b69c37fa516d81d9 [diff] |
Import Tint changes from Dawn Changes: - 63e6f820d8a4b2ddf812a9ff3beb3f36a5d38724 tint/resolver: Evaluate const-expr swizzles by Ben Clayton <bclayton@google.com> - d5f53ab580b758202155df2d7cf64b1481d0f736 tint/resolver: Optimize constant evaluation methods by Ben Clayton <bclayton@google.com> - 51265542e99e3b2f0f03b8b759919d3e88078208 tint/sem: Remove TypeMappings for derived expressions by Ben Clayton <bclayton@google.com> - b6c8ea9624b8bd0a7e75290206501d1235ef74c5 tint/resolver: Fix calling of builtins at module-scope by Ben Clayton <bclayton@google.com> - 89bdea0f77de017e5e1e07f13afaa7543dd151b9 tint/resolver: Fix null-deref by Ben Clayton <bclayton@google.com> GitOrigin-RevId: 63e6f820d8a4b2ddf812a9ff3beb3f36a5d38724 Change-Id: I31022a58810367585cfac79d8760506f5b3197a3 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/95825 Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@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.