GitLab

This CL adds support for some additional X11 color types: RGB565, ARGB4444,
RGBA1010102. Also avoid unnecessarily rendering into an RGBA8888 buffer and
converting to the window format; just render into the correct format directly.
Also simplify/refactor some code.

BUG=1016383
R=rjkroege

Change-Id: I08051526b81d364a236c37654fda1be6bad1bc20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1899324Reviewed-by: Robert Kroeger <rjkroege@chromium.org>
Commit-Queue: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712812}