dccd6f495a
Bounding box culling is only viable when the W of all
vertices are positive. Always accept triangles whose any
W is negative.
Fixes: 0d527bb1aa
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/7018
Signed-off-by: Timur Kristóf <timur.kristof@gmail.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17929>