diff options
| -rw-r--r-- | perf/intersections.c | 58 |
1 files changed, 57 insertions, 1 deletions
diff --git a/perf/intersections.c b/perf/intersections.c index f35e0903..7a7cc550 100644 --- a/perf/intersections.c +++ b/perf/intersections.c @@ -43,9 +43,9 @@ static cairo_perf_ticks_t draw_random (cairo_t *cr, cairo_fill_rule_t fill_rule, int width, int height, int loops) { - int i; double x[NUM_SEGMENTS]; double y[NUM_SEGMENTS]; + int i; cairo_save (cr); cairo_set_source_rgb (cr, 0, 0, 0); @@ -77,6 +77,47 @@ draw_random (cairo_t *cr, cairo_fill_rule_t fill_rule, } static cairo_perf_ticks_t +draw_random_curve (cairo_t *cr, cairo_fill_rule_t fill_rule, + int width, int height, int loops) +{ + double x[3*NUM_SEGMENTS]; + double y[3*NUM_SEGMENTS]; + int i; + + cairo_save (cr); + cairo_set_source_rgb (cr, 0, 0, 0); + cairo_paint (cr); + + for (i = 0; i < 3*NUM_SEGMENTS; i++) { + x[i] = uniform_random (0, width); + y[i] = uniform_random (0, height); + } + + state = 0x12345678; + cairo_translate (cr, 1, 1); + cairo_set_fill_rule (cr, fill_rule); + cairo_set_source_rgb (cr, 1, 0, 0); + + cairo_move_to (cr, 0, 0); + for (i = 0; i < NUM_SEGMENTS; i++) { + cairo_curve_to (cr, + x[3*i+0], y[3*i+0], + x[3*i+1], y[3*i+1], + x[3*i+2], y[3*i+2]); + } + cairo_close_path (cr); + + cairo_perf_timer_start (); + while (loops--) + cairo_fill_preserve (cr); + cairo_perf_timer_stop (); + + cairo_restore (cr); + + return cairo_perf_timer_elapsed (); +} + +static cairo_perf_ticks_t random_eo (cairo_t *cr, int width, int height, int loops) { return draw_random (cr, CAIRO_FILL_RULE_EVEN_ODD, width, height, loops); @@ -88,6 +129,18 @@ random_nz (cairo_t *cr, int width, int height, int loops) return draw_random (cr, CAIRO_FILL_RULE_WINDING, width, height, loops); } +static cairo_perf_ticks_t +random_curve_eo (cairo_t *cr, int width, int height, int loops) +{ + return draw_random_curve (cr, CAIRO_FILL_RULE_EVEN_ODD, width, height, loops); +} + +static cairo_perf_ticks_t +random_curve_nz (cairo_t *cr, int width, int height, int loops) +{ + return draw_random_curve (cr, CAIRO_FILL_RULE_WINDING, width, height, loops); +} + void intersections (cairo_perf_t *perf, cairo_t *cr, int width, int height) { @@ -96,4 +149,7 @@ intersections (cairo_perf_t *perf, cairo_t *cr, int width, int height) cairo_perf_run (perf, "intersections-nz-fill", random_nz); cairo_perf_run (perf, "intersections-eo-fill", random_eo); + + cairo_perf_run (perf, "intersections-nz-curve-fill", random_curve_nz); + cairo_perf_run (perf, "intersections-eo-curve-fill", random_curve_eo); } |