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[perf] Tweak dragon to hit fill_rectangles().

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Add a second dragon path that is pixel-aligned and uses a solid pattern,
so that it can be drawn using fill-rectangles.
This commit is contained in:
Chris Wilson 2009-01-13 12:52:52 +00:00
parent de9e6b5a3f
commit 4c79cd480d
1 changed files with 41 additions and 1 deletions
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42
perf/dragon.c
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@ -65,7 +65,6 @@ direction (int i)
return ! direction (2 * pivot - i);
}
static void
path (cairo_t *cr, int step, int dir, int iterations)
{
@ -159,8 +158,49 @@ do_dragon (cairo_t *cr, int width, int height)
return cairo_perf_timer_elapsed ();
}
static cairo_perf_ticks_t
do_dragon_solid (cairo_t *cr, int width, int height)
{
double cx, cy, r;
cx = cy = .5 * MAX (width, height);
r = .5 * MIN (width, height);
cairo_perf_timer_start ();
cairo_set_source_rgb (cr, 0, 0, 0);
cairo_paint (cr);
cairo_set_line_width (cr, 4.);
cairo_move_to (cr, cx, cy);
path (cr, 12, 0, 2048);
cairo_set_source_rgb (cr, 1, 0, 0);
cairo_stroke(cr);
cairo_move_to (cr, cx, cy);
path (cr, 12, 1, 2048);
cairo_set_source_rgb (cr, 0, 1, 0);
cairo_stroke(cr);
cairo_move_to (cr, cx, cy);
path (cr, 12, 2, 2048);
cairo_set_source_rgb (cr, 0, 0, 1);
cairo_stroke(cr);
cairo_move_to (cr, cx, cy);
path (cr, 12, 3, 2048);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_stroke(cr);
cairo_perf_timer_stop ();
return cairo_perf_timer_elapsed ();
}
void
dragon (cairo_perf_t *perf, cairo_t *cr, int width, int height)
{
cairo_perf_run (perf, "dragon-solid", do_dragon_solid);
cairo_perf_run (perf, "dragon", do_dragon);
}