[perf] Add clipped modes to dragon

Investigate the performance hit for unclipped/aligned/unaligned/masked
modes with a reasonably complex geometry.

1 files changed, 35 insertions, 0 deletions

diff --git a/perf/dragon.c b/perf/dragon.c
index 366b63c2..a145f781 100644
--- a/perf/dragon.c
+++ b/perf/dragon.c
@@ -202,6 +202,38 @@ do_dragon_solid (cairo_t *cr, int width, int height, int loops)
     return cairo_perf_timer_elapsed ();
 }
 
+static cairo_perf_ticks_t
+do_dragon_solid_aligned_clip (cairo_t *cr, int width, int height, int loops)
+{
+    cairo_reset_clip (cr);
+    cairo_rectangle (cr, 10, 10, width/2 + 10, height/2 + 10);
+    cairo_rectangle (cr, width/2-20, height/2-20, width/2 + 10, height/2 + 10);
+    cairo_clip (cr);
+
+    return do_dragon_solid (cr, width, height, loops);
+}
+
+static cairo_perf_ticks_t
+do_dragon_solid_unaligned_clip (cairo_t *cr, int width, int height, int loops)
+{
+    cairo_reset_clip (cr);
+    cairo_rectangle (cr, 10.5, 10.5, width/2 + 10, height/2 + 10);
+    cairo_rectangle (cr, width/2-20, height/2-20, width/2 + 9.5, height/2 + 9.5);
+    cairo_clip (cr);
+
+    return do_dragon_solid (cr, width, height, loops);
+}
+
+static cairo_perf_ticks_t
+do_dragon_solid_circle_clip (cairo_t *cr, int width, int height, int loops)
+{
+    cairo_reset_clip (cr);
+    cairo_arc (cr, width/2., height/2., MIN (width, height)/2. - 10, 0, 2 * M_PI);
+    cairo_clip (cr);
+
+    return do_dragon_solid (cr, width, height, loops);
+}
+
 void
 dragon (cairo_perf_t *perf, cairo_t *cr, int width, int height)
 {
@@ -209,5 +241,8 @@ dragon (cairo_perf_t *perf, cairo_t *cr, int width, int height)
 	return;
 
     cairo_perf_run (perf, "dragon-solid", do_dragon_solid);
+    cairo_perf_run (perf, "dragon-solid-aligned-clip", do_dragon_solid_aligned_clip);
+    cairo_perf_run (perf, "dragon-solid-unaligned-clip", do_dragon_solid_unaligned_clip);
+    cairo_perf_run (perf, "dragon-solid-circle-clip", do_dragon_solid_circle_clip);
     cairo_perf_run (perf, "dragon", do_dragon);
 }