Lepton Wu authored Feb 11, 2020 and Gert Wollny committed Feb 12, 2020

When there is no feat_dual_src_blend, avoid calling glBindFragDataLocationIndexed.
Otherwise epoxy could crash the whole process when this function is not available.

Signed-off-by: Lepton Wu <lepton@chromium.org>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>