Mesa: Add a fix for mesa sampler array overflow.

Fixes a crash when we have too many samplers.

BUG=chromium:141901
TEST=by hand

Change-Id: Ie776b7cbdc756b53bfffa11b5f9041f7d63f2333
Reviewed-on: https://gerrit.chromium.org/gerrit/30364
Tested-by: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Ready: Stéphane Marchesin <marcheu@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/30433
Tested-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
3 files changed