Use indexing in clip_plane
Clip tmap p3_z locally
Fix SDL-only crash due to double Vbuf0
Pass draw_tmap* arg as const
Use array<> for polygon clipping points
Move Mike's temporary texture onto stack
Return get_temp_point by &
Move 3d/clipper.cpp to SDL-only build
Make g3s_point const only in OGL
Move temporary points onto stack
Redirect g3_end_frame->ogl_end_frame