diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_context.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_context.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index 2b3bc0d0ece..9b5bcb5a3be 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -262,6 +262,10 @@ static void update_clip_flags( struct draw_context *draw ) draw->rasterizer && draw->rasterizer->depth_clip); draw->clip_user = draw->rasterizer && draw->rasterizer->clip_plane_enable != 0; + draw->clip_points_xy = draw->clip_xy && + (!draw->driver.bypass_clip_points || + (draw->rasterizer && + !draw->rasterizer->point_tri_clip)); } /** @@ -287,17 +291,23 @@ void draw_set_rasterizer_state( struct draw_context *draw, * Some hardware can turn off clipping altogether - in particular any * hardware with a TNL unit can do its own clipping, even if it is * relying on the draw module for some other reason. + * Setting bypass_clip_points to achieve d3d-style point clipping (the driver + * will need to do the "vp scissoring") _requires_ the driver to implement + * wide points / point sprites itself (points will still be clipped if rasterizer + * point_tri_clip isn't set). Only relevant if bypass_clip_xy isn't set. */ void draw_set_driver_clipping( struct draw_context *draw, boolean bypass_clip_xy, boolean bypass_clip_z, - boolean guard_band_xy) + boolean guard_band_xy, + boolean bypass_clip_points) { draw_do_flush( draw, DRAW_FLUSH_STATE_CHANGE ); draw->driver.bypass_clip_xy = bypass_clip_xy; draw->driver.bypass_clip_z = bypass_clip_z; draw->driver.guard_band_xy = guard_band_xy; + draw->driver.bypass_clip_points = bypass_clip_points; update_clip_flags(draw); } |