Split DXGI format info to a GL mapping and info block.

The GL mapping depends on context client version (for certain depth
textures), but the DXGI base format info is consistent across
versions. Also add DXGI component type information to the table,
and add a few missing formats related to vertex inputs.

Change-Id: I2d1a8ca92b1cb39f4592d94d7d435ae0ada1de65
Reviewed-on: https://chromium-review.googlesource.com/183583
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
Reviewed-by: Geoff Lang <geofflang@chromium.org>
Tested-by: Jamie Madill <jmadill@chromium.org>
8 files changed