Nanley Chery authored Jul 17, 2019 and Dylan Baker committed Sep 11, 2020

iris_resource_get_handle currently asserts that the resource has an aux
state that is suitable for sharing. However, the caller of this function
can pass a flag to specify that it will handle flushing/resolving the
resource as needed for sharing. Take this flag into account when
asserting the state of the aux buffer.

Fixes: e8139286 ("iris/resource: Drop redundant checks for aux support")
Closes: #128


Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <!1371>
(cherry picked from commit 3cf6325e)