Add RP builder support for swizzle-copy-to-slots-indirect.

There is a bit of logic here to stuff all of the values into slots
and immediates, and then to peel them back out again, but it's
pretty standard stuff I hope.

Change-Id: Iad65e8d2cb548b0ca66129964eb1647e6b389acb
Auto-Submit: John Stiles <>
Reviewed-by: Brian Osman <>
Commit-Queue: John Stiles <>
3 files changed