gallium: replace draw_convert_wide_points() with draw_wide_point_threshold()

Specifying a threshold size is a bit more flexible, and allows the option
of converting even 1-pixel points to triangles (set threshold=0).

Also, remove 0.25 pixel bias in wide_point().

1 files changed, 13 insertions, 10 deletions

diff --git a/src/gallium/auxiliary/draw/draw_validate.c b/src/gallium/auxiliary/draw/draw_validate.c
index 3a19dd4cd7..ded7d10c08 100644
--- a/src/gallium/auxiliary/draw/draw_validate.c
+++ b/src/gallium/auxiliary/draw/draw_validate.c
@@ -52,6 +52,19 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
     */
    stage->next = next;
 
+   /* drawing wide lines? */
+   wide_lines = (draw->rasterizer->line_width != 1.0
+                 && draw->convert_wide_lines
+                 && !draw->rasterizer->line_smooth);
+
+   /* drawing large points? */
+   if (draw->rasterizer->point_smooth && draw->pipeline.aapoint)
+      wide_points = FALSE;
+   else if (draw->rasterizer->point_size > draw->wide_point_threshold)
+      wide_points = TRUE;
+   else
+      wide_points = FALSE;
+
    /*
     * NOTE: we build up the pipeline in end-to-start order.
     *
@@ -69,16 +82,6 @@ static struct draw_stage *validate_pipeline( struct draw_stage *stage )
       next = draw->pipeline.aapoint;
    }
 
-   /* drawing wide lines? */
-   wide_lines = (draw->rasterizer->line_width != 1.0
-                 && draw->convert_wide_lines
-                 && !draw->rasterizer->line_smooth);
-
-   /* drawing large points? */
-   wide_points = (draw->rasterizer->point_size != 1.0
-                  && draw->convert_wide_points
-                  && !draw->pipeline.aapoint);
-   
    if (wide_lines ||
        wide_points ||
        draw->rasterizer->point_sprite) {