Parses the intrinsics.def file, then scans the source tree for .tmpl files.
Using both of these, it produces source files for use in tint.
Bug: tint:832
Change-Id: I718114f4c540b9d620899e89d5758f048377ee04
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/52642
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: Ben Clayton <bclayton@google.com>
Reviewed-by: David Neto <dneto@google.com>
Ben Clayton