[i965] round pointsize to nearest int according to spec

diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c
index 2b6087d..3980484 100644 (file)
--- a/src/mesa/drivers/dri/i965/brw_sf_state.c
+++ b/src/mesa/drivers/dri/i965/brw_sf_state.c
@@ -224,11 +224,11 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key,
        sf.sf6.line_width = 0;
 
    /* _NEW_POINT */
-   sf.sf6.point_rast_rule = 1; /* opengl conventions */
+   sf.sf6.point_rast_rule = BRW_RASTRULE_UPPER_RIGHT;  /* opengl conventions */
    /* XXX clamp max depends on AA vs. non-AA */
 
    sf.sf7.sprite_point = key->point_sprite;
-   sf.sf7.point_size = CLAMP(key->point_size, 1.0, 255.0) * (1<<3);
+   sf.sf7.point_size = CLAMP(nearbyint(key->point_size), 1, 255) * (1<<3);
    sf.sf7.use_point_size_state = !key->point_attenuated;
    sf.sf7.aa_line_distance_mode = 0;