Stephen White ba4d6ab01d GLSL: implement derivative instructions. ... While Desktop GLSL supports the Coarse and Fine flavours, GLSL ES does not. For now, emit dFdx/dFdy in all cases for ES, but excluding the Coarse and Fine flavours via validation is also an option. Bug: tint:1445 Change-Id: Iaac589f72043b5547e9141a6e870c1fd49631f6f Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/82142 Reviewed-by: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Stephen White <senorblanco@chromium.org>		2022-02-28 18:08:13 +00:00
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tint	GLSL: implement derivative instructions.	2022-02-28 18:08:13 +00:00