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Turn on WGSL support by default in Dawn 

Tint is available in Chromium now, so we can turn this on. For situations were
WGSL support is not needed it can still be turned off via args.gn.

Roll third_party/tint/ 16890b9ce..13904a612 (15 commits)

https://dawn.googlesource.com/tint/+log/16890b9ce8b7..5f43fedcd

$ git log 16890b9ce..5f43fedcd --date=short --no-merges --format='%ad %ae %s'
2020-07-16 rharrison Clean up how deps are defined in BUILD.gn
2020-07-16 dsinclair Remove refs.cfg.
2020-07-16 dsinclair Fixup group list name
2020-07-16 dsinclair [msl-writer] Emitting of program constants.
2020-07-16 dsinclair [msl-writer] Fixup matrix and array constructors.
2020-07-16 dsinclair Differentiate size and stride in array type name.
2020-07-16 dneto [spirv-reader] Support duplicate type definitions
2020-07-15 dsinclair [msl-writer] Add struct offset support.
2020-07-15 dsinclair [msl-writer] Add builtin support
2020-07-15 dsinclair Add helpers for referenced variables.
2020-07-15 dsinclair [msl-writer] Refactor some entry point variable code.
2020-07-15 dsinclair [msl-writer] Generate entry point functions.
2020-07-14 dsinclair [msl-writer] Handle emitting user function calls.
2020-07-14 dsinclair Inherit refererenced globals up the call stack.
2020-07-14 dsinclair [msl-writer] Generate input/output structs

Created with:
  roll-dep third_party/tint

Change-Id: Ia437e8dc309b06a64ddd4d91ec3af1499af13553
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/24920
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: dan sinclair <dsinclair@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>
This commit is contained in:
Ryan Harrison 2020-07-21 15:43:44 +00:00 committed by Commit Bot service account
parent c4cebc7efa
commit e1d976ed91
2 changed files with 3 additions and 4 deletions
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2
DEPS
View File

@ -91,7 +91,7 @@ deps = {
# WGSL support
'third_party/tint': {
'url': '{dawn_git}/tint@18c85f52e482845079a26a22c9dfc633bf7a11a7',
'url': '{dawn_git}/tint@747e80a9b3695f6f694536a2bfde146f474873c3',
'condition': 'dawn_standalone',
},

5
scripts/dawn_features.gni
View File

@ -69,9 +69,8 @@ declare_args() {
# Whether Dawn should enable X11 support.
dawn_use_x11 = is_linux && !is_chromeos
# Enable support WGSL for shaders. Currently this is
# experimental, and requires dawn_tint_dir to be set.
dawn_enable_wgsl = false
# Enable support WGSL for shaders.
dawn_enable_wgsl = true
}
# GN does not allow reading a variable defined in the same declare_args().