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-rw-r--r--perf/micro/dragon.c277
1 files changed, 0 insertions, 277 deletions
diff --git a/perf/micro/dragon.c b/perf/micro/dragon.c
deleted file mode 100644
index aa5daf534..000000000
--- a/perf/micro/dragon.c
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * Copyright © 2007 Chris Wilson
- *
- * Permission to use, copy, modify, distribute, and sell this software
- * and its documentation for any purpose is hereby granted without
- * fee, provided that the above copyright notice appear in all copies
- * and that both that copyright notice and this permission notice
- * appear in supporting documentation, and that the name of
- * Chris Wilson not be used in advertising or publicity pertaining to
- * distribution of the software without specific, written prior
- * permission. Chris Wilson makes no representations about the
- * suitability of this software for any purpose. It is provided "as
- * is" without express or implied warranty.
- *
- * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
- * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
- * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
- * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
- * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
- * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * Author: Chris Wilson <chris@chris-wilson.co.uk>
- *
- * Inspiration (and path!) taken from
- * http://labs.trolltech.com/blogs/2007/08/31/rasterizing-dragons/
- */
-
-#include "cairo-perf.h"
-
-static inline int
-next_pot (int v)
-{
- v--;
- v |= v >> 1;
- v |= v >> 2;
- v |= v >> 4;
- v |= v >> 8;
- v |= v >> 16;
- v++;
- return v;
-}
-
-static cairo_bool_t
-direction (int i)
-{
- int pivot, np2;
-
- if (i < 2)
- return TRUE;
-
- np2 = next_pot (i + 1);
- if (np2 == i + 1)
- return TRUE;
-
- pivot = np2 / 2 - 1;
- return ! direction (2 * pivot - i);
-}
-
-static void
-path (cairo_t *cr, int step, int dir, int iterations)
-{
- double dx, dy;
- int i;
-
- switch (dir) {
- default:
- case 0: dx = step; dy = 0; break;
- case 1: dx = -step; dy = 0; break;
- case 2: dx = 0; dy = step; break;
- case 3: dx = 0; dy = -step; break;
- }
-
- for (i = 0; i < iterations; i++) {
- cairo_rel_line_to (cr, dx, dy);
-
- if (direction (i)) {
- double t = dx;
- dx = dy;
- dy = -t;
- } else {
- double t = dx;
- dx = -dy;
- dy = t;
- }
- }
-}
-
-static cairo_time_t
-do_dragon (cairo_t *cr, int width, int height, int loops)
-{
- cairo_pattern_t *pattern;
- double cx, cy, r;
-
- cx = cy = .5 * MAX (width, height);
- r = .5 * MIN (width, height);
-
- cairo_perf_timer_start ();
-
- while (loops--) {
- pattern = cairo_pattern_create_radial (cx, cy, 0., cx, cy, r);
- cairo_pattern_add_color_stop_rgb (pattern, 0., .0, .0, .0);
- cairo_pattern_add_color_stop_rgb (pattern, 0.25, .5, .4, .4);
- cairo_pattern_add_color_stop_rgb (pattern, .5, .8, .8, .9);
- cairo_pattern_add_color_stop_rgb (pattern, 1., .9, .9, 1.);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
- cairo_paint (cr);
-
- cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
- cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
- cairo_set_line_width (cr, 4.);
-
- cairo_move_to (cr, cx, cy);
- path (cr, 12, 0, 2048);
- pattern = cairo_pattern_create_radial (cx, cy, 0., cx, cy, r);
- cairo_pattern_add_color_stop_rgb (pattern, 0., 1., 1., 1.);
- cairo_pattern_add_color_stop_rgb (pattern, 1., 0., 0., 0.);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
- cairo_stroke(cr);
-
- cairo_move_to (cr, cx, cy);
- path (cr, 12, 1, 2048);
- pattern = cairo_pattern_create_radial (cx, cy, 0., cx, cy, r);
- cairo_pattern_add_color_stop_rgb (pattern, 1., 1., 1., 0.);
- cairo_pattern_add_color_stop_rgb (pattern, 0., 1., 0., 0.);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
- cairo_stroke(cr);
-
- cairo_move_to (cr, cx, cy);
- path (cr, 12, 2, 2048);
- pattern = cairo_pattern_create_radial (cx, cy, 0., cx, cy, r);
- cairo_pattern_add_color_stop_rgb (pattern, 1., 0., 1., 1.);
- cairo_pattern_add_color_stop_rgb (pattern, 0., 0., 1., 0.);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
- cairo_stroke(cr);
-
- cairo_move_to (cr, cx, cy);
- path (cr, 12, 3, 2048);
- pattern = cairo_pattern_create_radial (cx, cy, 0., cx, cy, r);
- cairo_pattern_add_color_stop_rgb (pattern, 1., 1., 0., 1.);
- cairo_pattern_add_color_stop_rgb (pattern, 0., 0., 0., 1.);
- cairo_set_source (cr, pattern);
- cairo_pattern_destroy (pattern);
- cairo_stroke(cr);
- }
-
- cairo_perf_timer_stop ();
-
- return cairo_perf_timer_elapsed ();
-}
-
-static cairo_time_t
-do_dragon_solid (cairo_t *cr, int width, int height, int loops)
-{
- double cx, cy;
-
- cx = cy = .5 * MAX (width, height);
-
- cairo_perf_timer_start ();
-
- while (loops--) {
- 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 ();
-}
-
-static cairo_time_t
-do_dragon_solid_unaligned (cairo_t *cr, int width, int height, int loops)
-{
- cairo_translate (cr, 0.01, 0.01);
- return do_dragon_solid (cr, width, height, loops);
-}
-
-static cairo_time_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_time_t
-do_dragon_unaligned_solid_aligned_clip (cairo_t *cr, int width, int height, int loops)
-{
- cairo_translate (cr, 0.01, 0.01);
- 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_time_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_time_t
-do_dragon_unaligned_solid_unaligned_clip (cairo_t *cr, int width, int height, int loops)
-{
- cairo_translate (cr, 0.01, 0.01);
- 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_time_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);
-}
-
-cairo_bool_t
-dragon_enabled (cairo_perf_t *perf)
-{
- return cairo_perf_can_run (perf, "dragon", NULL);
-}
-
-void
-dragon (cairo_perf_t *perf, cairo_t *cr, int width, int height)
-{
- cairo_perf_run (perf, "dragon-solid", do_dragon_solid, NULL);
- cairo_perf_run (perf, "dragon-unaligned-solid", do_dragon_solid_unaligned, NULL);
- cairo_perf_run (perf, "dragon-solid-aligned-clip", do_dragon_solid_aligned_clip, NULL);
- cairo_perf_run (perf, "dragon-unaligned-solid-aligned-clip", do_dragon_unaligned_solid_aligned_clip, NULL);
- cairo_perf_run (perf, "dragon-solid-unaligned-clip", do_dragon_solid_unaligned_clip, NULL);
- cairo_perf_run (perf, "dragon-unaligned-solid-unaligned-clip", do_dragon_unaligned_solid_unaligned_clip, NULL);
- cairo_perf_run (perf, "dragon-solid-circle-clip", do_dragon_solid_circle_clip, NULL);
- cairo_perf_run (perf, "dragon", do_dragon, NULL);
-}