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Author SHA1 Message Date
Ben Clayton f47887d207 tint/writer/msl: Generate an array<T,N> helper 
And remove the WrapArraysInStructs transform.

Wrapping arrays in structures becomes troublesome for `const` arrays, as
currently WGSL does not allow `const` structures.

MSL 2.0+ has a builtin array<> helper, but we're targetting MSL 1.2, so
we have to emit our own. Fortunately, it can be done with a few lines of
templated code.

This produces significantly cleaner output.

Change-Id: Ifc92ef21e09befa252a07c856c4b5afdc51cc2e4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94540
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@chromium.org>
Reviewed-by: David Neto <dneto@google.com>
 2022-06-24 17:01:59 +00:00
jchen10 ef62b58cf9 Skip Gamma and Gamut conversions for BT.709->SRGB 
This introduces a new field 'doYuvToRgbConversionOnly' in
ExternalTextureParams to have the WGSL only do yuv->rgb conversion for
better performance. User studies shows that users don't really care
about the Gamma difference between 2.4 and 2.2.
https://source.chromium.org/chromium/chromium/src/+/main:ui/gfx/color_space.cc;l=1022;drc=a1dbb594a6741a400db35fe3678e77bad2504ea4

Bug: dawn:1082
Bug: dawn:1466
Change-Id: I61c0fe65c5969d8a61c267c202c8dd64c259ed8a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92901
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Jie A Chen <jie.a.chen@intel.com>
 2022-06-22 03:14:26 +00:00
James Price 3e38d7effe tint: Remove support for smoothStep builtin 
The new spelling `smoothstep` was introduced in M102.

Fixed: tint:1483
Change-Id: Ia5e1401f8f09450a3a767b0bb975216bd85be8db
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/93360
Commit-Queue: James Price <jrprice@google.com>
Auto-Submit: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
 2022-06-15 23:32:14 +00:00
dan sinclair b29892be09 Update src/tint unittests to new @stage format. 
This CL updates all of the Tint unittests to the new @stage shorter
syntax. This also updates the WGSL writer to emit the new short forms
instead of using the deprecated form.

Bug: tint:1503
Change-Id: I8c49e5319a19cccb5b4b5078f3ab39c50f31a9a8
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92483
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2022-06-07 13:55:34 +00:00
Antonio Maiorano f25140fe6f tint: fix emitting duplicate structs for atomicCompareExchangeWeak 
Bug: tint:1574
Change-Id: Id4ae2d2de9ac4678260f4ecfb3a0f779d170f9a4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92280
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
 2022-06-03 14:47:01 +00:00
Ben Clayton c0af5c5c9c tint: Add builtin tests for arguments passed by var 
Change-Id: I81b69d23e40675d7f525e6369afec9aa0659d043
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92321
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2022-06-02 14:36:10 +00:00
Ben Clayton eb29f81883 tint: Shuffle builtin test directories 
mv test/tint/builtins/gen -> test/tint/builtins/gen/literal

We're going to add another set of these for builtins that use 'var' for
each argument.

Change-Id: I1b4ad1495ddccd48232603db2205bf50af9e36b6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/92320
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Antonio Maiorano <amaiorano@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
 2022-06-01 19:49:50 +00:00