DRW: overlay engine support for drawing isolated points

This matches similar functionality for drawing lines.

1 files changed, 8 insertions, 0 deletions

diff --git a/source/blender/draw/engines/overlay/overlay_extra.c b/source/blender/draw/engines/overlay/overlay_extra.c
index f096c9657c7..fc1ced43832 100644
--- a/source/blender/draw/engines/overlay/overlay_extra.c
+++ b/source/blender/draw/engines/overlay/overlay_extra.c
@@ -199,6 +199,9 @@ void OVERLAY_extra_cache_init(OVERLAY_Data *vedata)
 
       cb->extra_loose_points = grp = DRW_shgroup_create(sh, extra_ps);
       DRW_shgroup_uniform_block(grp, "globalsBlock", G_draw.block_ubo);
+
+      /* Buffer access for drawing isolated points, matching `extra_lines`. */
+      cb->extra_points = BUF_POINT(grp, formats->point_extra);
     }
     {
       format = formats->pos;
@@ -230,6 +233,11 @@ void OVERLAY_extra_cache_init(OVERLAY_Data *vedata)
   }
 }
 
+void OVERLAY_extra_point(OVERLAY_ExtraCallBuffers *cb, const float point[3], const float color[4])
+{
+  DRW_buffer_add_entry(cb->extra_points, point, color);
+}
+
 void OVERLAY_extra_line_dashed(OVERLAY_ExtraCallBuffers *cb,
                                const float start[3],
                                const float end[3],