radeonsi: add ETC1 support for Stoney
authorMarek Olšák <marek.olsak@amd.com>
Fri, 22 Jan 2016 15:13:44 +0000 (16:13 +0100)
committerMarek Olšák <marek.olsak@amd.com>
Fri, 22 Jan 2016 21:05:42 +0000 (22:05 +0100)
commitcd9c07e7cdff5a38fd0de48626baecb5a9013846
tree98653da625db40662b780f78dbe5a4fb84fecd66
parentb3bac55621efc91d59fd9c7875725d89e4192b8e
radeonsi: add ETC1 support for Stoney

It's a subset of ETC2. Tested.

For more information, see page 42 and onward:
http://www.graphicshardware.org/previous/www_2007/presentations/strom-etc2-gh07.pdf

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
src/gallium/drivers/radeonsi/si_state.c