gallium: new AA point drawing stage

AA points are drawn by converting the point to a quad, then modifying the
user's fragment shader to compute a coverage value.  The final fragment
color's alpha is modulated by the coverage value.  Fragments outside the
point's radius are killed.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h
index 492c152ff9..8c469e74b7 100644
--- a/src/gallium/auxiliary/draw/draw_private.h
+++ b/src/gallium/auxiliary/draw/draw_private.h
@@ -180,6 +180,7 @@ struct draw_context
       struct draw_stage *offset;
       struct draw_stage *unfilled;
       struct draw_stage *stipple;
+      struct draw_stage *aapoint;
       struct draw_stage *aaline;
       struct draw_stage *wide;
       struct draw_stage *rasterize;