fallback: Remove span renderer paths

Those paths were broken, as they didn't properly translate the polygon
to the destination size. And rather than adding lots of code that allows
translation, it's easier to just delete this code.

Note that the only user of the code was the GL backend anyway.

1 files changed, 0 insertions, 67 deletions

diff --git a/src/cairo-surface-fallback.c b/src/cairo-surface-fallback.c
index 07ab60da5..1edeac032 100644
--- a/src/cairo-surface-fallback.c
+++ b/src/cairo-surface-fallback.c
@@ -877,44 +877,6 @@ _clip_and_composite_trapezoids (const cairo_pattern_t *src,
 				&traps_info, dst, extents);
 }
 
-typedef struct {
-    cairo_polygon_t		*polygon;
-    cairo_fill_rule_t		 fill_rule;
-    cairo_antialias_t		 antialias;
-} cairo_composite_spans_info_t;
-
-static cairo_status_t
-_composite_spans_draw_func (void                          *closure,
-			    cairo_operator_t               op,
-			    const cairo_pattern_t         *src,
-			    cairo_surface_t               *dst,
-			    int                            dst_x,
-			    int                            dst_y,
-			    const cairo_rectangle_int_t   *extents,
-			    cairo_region_t		  *clip_region)
-{
-    cairo_composite_rectangles_t rects;
-    cairo_composite_spans_info_t *info = closure;
-
-    rects.source = *extents;
-    rects.mask = *extents;
-    rects.bounded = *extents;
-    /* The incoming dst_x/y are where we're pretending the origin of
-     * the dst surface is -- *not* the offset of a rectangle where
-     * we'd like to place the result. */
-    rects.bounded.x -= dst_x;
-    rects.bounded.y -= dst_y;
-    rects.unbounded = rects.bounded;
-    rects.is_bounded = _cairo_operator_bounded_by_either (op);
-
-    return _cairo_surface_composite_polygon (dst, op, src,
-					     info->fill_rule,
-					     info->antialias,
-					     &rects,
-					     info->polygon,
-					     clip_region);
-}
-
 cairo_status_t
 _cairo_surface_fallback_paint (cairo_surface_t		*surface,
 			       cairo_operator_t		 op,
@@ -1140,20 +1102,6 @@ _cairo_surface_fallback_stroke (cairo_surface_t		*surface,
 	    goto CLEANUP;
     }
 
-    if (_cairo_surface_check_span_renderer (op, source, surface, antialias)) {
-	cairo_composite_spans_info_t info;
-
-	info.polygon = &polygon;
-	info.fill_rule = CAIRO_FILL_RULE_WINDING;
-	info.antialias = antialias;
-
-	status = _clip_and_composite (clip, op, source,
-				      _composite_spans_draw_func,
-				      &info, surface,
-                                      extents.is_bounded ? &extents.bounded : &extents.unbounded);
-	goto CLEANUP;
-    }
-
     /* Fall back to trapezoid fills. */
     status = _cairo_bentley_ottmann_tessellate_polygon (&traps,
 							&polygon,
@@ -1257,21 +1205,6 @@ _cairo_surface_fallback_fill (cairo_surface_t		*surface,
 	    goto CLEANUP;
     }
 
-
-    if (_cairo_surface_check_span_renderer (op, source, surface, antialias)) {
-	cairo_composite_spans_info_t info;
-
-	info.polygon = &polygon;
-	info.fill_rule = fill_rule;
-	info.antialias = antialias;
-
-	status = _clip_and_composite (clip, op, source,
-				      _composite_spans_draw_func,
-				      &info, surface,
-                                      extents.is_bounded ? &extents.bounded : &extents.unbounded);
-	goto CLEANUP;
-    }
-
     /* Fall back to trapezoid fills. */
     status = _cairo_bentley_ottmann_tessellate_polygon (&traps,
 							&polygon,