tree dc0d98ff82511fb2e7ecd809014bfb185a52defb
parent 2cbbb5d7c2d5aacb1599d88f5e8ee7591eb9960a
author dan sinclair <dj2@everburning.com> 1591290883 +0000
committer dan sinclair <dsinclair@google.com> 1591290883 +0000

[spirv-writer] Add support for derivatives.

This CL adds support for generating the various dpdx, dpdy and fwidth
instructions.

Bug: tint:5
Change-Id: I6d12c738b93931d1e740659d9c1871892b801f71
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/22625
Reviewed-by: David Neto <dneto@google.com>