tree ee1f78ed3b73a00c5006dc06fefa1b269df98d68
parent 784b84d308f51430dbd4d9c58fd598c34c4ceefb
author Vasily Khoruzhick <anarsoul@gmail.com> 1579060409 -0800
committer Marge Bot <eric+marge@anholt.net> 1579139825 +0000

lima: fix handling of reverse depth range

Looks like we need to handle cases when near > far and near == far.
In first case we just need to swap near and far, and in second we
need subtract epsilon from near if it's not zero.

Fixes 10 tests in dEQP-GLES2.functional.depth_range.*

Reviewed-by: Qiang Yu <yuq825@gmail.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Marge Bot <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3400>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3400>