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4 Commits

Author SHA1 Message Date
Ben Clayton 619f9bd639 tint/transform: Fix ICE when combining polyfills 
There's a reason the overload of `ctx.Replace()` that takes a pointer to the replacement is deprecated - it doesn't play well when used as part of another replacement.
Switch to using the callback overload of Replace() to fix bad transform output.

Bug: tint:1386647
Change-Id: I94292eeb65d24d7b2446b16b8b4ad13bdd27965a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/111000
Auto-Submit: Ben Clayton <bclayton@google.com>
Commit-Queue: James Price <jrprice@google.com>
Reviewed-by: James Price <jrprice@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2022-11-21 17:11:05 +00:00
Ben Clayton 46ee63933c tint/transform: Implement div / mod polyfill 
Prevents UB for divide-by-zero and integer overflow when dividing

Fixed: tint:1349
Change-Id: Ieef66d27d7aec3011628ced076b2bccc7770a8af
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/108925
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: Dan Sinclair <dsinclair@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>
 2022-11-09 22:04:11 +00:00
Antonio Maiorano e14a27bc7f tint: remove LoopToForLoop and FoldTrivialSingleUseLets transforms for HLSL and GLSL 
Change-Id: I18c807b2449dc2842cb9dbfaeba98dae640d2355
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/102621
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
 2022-09-19 14:05:21 +00:00
Antonio Maiorano 268d7b8357 tint: Add support for atomic ops to spirv reader 
The following operations are supported:

OpAtomicLoad
OpAtomicStore
OpAtomicExchange
OpAtomicCompareExchange
OpAtomicCompareExchangeWeak
OpAtomicIIncrement
OpAtomicIDecrement
OpAtomicIAdd
OpAtomicISub
OpAtomicSMin
OpAtomicUMin
OpAtomicSMax
OpAtomicUMax
OpAtomicAnd
OpAtomicOr
OpAtomicXor

These are not, but may be supported in the future:

OpAtomicFlagTestAndSet
OpAtomicFlagClear
OpAtomicFMinEXT
OpAtomicFMaxEXT
OpAtomicFAddEXT

Bug: tint:1441
Change-Id: Ifd53643b38d43664905a0dddfca609add4914670
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94121
Kokoro: Kokoro <noreply+kokoro@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Commit-Queue: Antonio Maiorano <amaiorano@google.com>
 2022-06-24 22:28:23 +00:00