When r_ext_framebuffer_multisample > 0 was used, flares behind the mirror in q3tourney6 were incorrectly visible. This was because it checks scene depth in the depth prepass which only drew opaque surfaces. It also needs to contain depth for mirror/portal surfaces.
When r_ext_framebuffer_multisample > 0 was used, flares behind the mirror in q3tourney6 were incorrectly visible. This was because it checks scene depth in the depth prepass which only drew opaque surfaces. It also needs to contain depth for mirror/portal surfaces.
Fixes #121.