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Diffstat (limited to 'perf/micro/box-outline.c')
| -rw-r--r-- | perf/micro/box-outline.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/perf/micro/box-outline.c b/perf/micro/box-outline.c deleted file mode 100644 index 1e654eb95..000000000 --- a/perf/micro/box-outline.c +++ /dev/null @@ -1,215 +0,0 @@ -/* - * Copyright © 2006 Red Hat, Inc. - * - * - * Permission is hereby granted, free of charge, to any person - * obtaining a copy of this software and associated documentation - * files (the "Software"), to deal in the Software without - * restriction, including without limitation the rights to use, copy, - * modify, merge, publish, distribute, sublicense, and/or sell copies - * of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - * SOFTWARE. - * - * Author: Carl D. Worth <cworth@cworth.org> - */ - -#include "cairo-perf.h" - -/* This test case is designed to illustrate a performance bug that - * exists in cairo in which using cairo_stroke is much slower than - * cairo_fill to draw an identical figure, (and in particular a figure - * that is much more natural to draw with cairo_stroke). The figure is - * a 100x100 square outline 1-pixel wide, nicely pixel aligned. - * - * The performance bug should affect any path whose resulting contour - * consists only of pixel-aligned horizontal and vertical elements. - * - * Initial testing on on machine shows stroke as 5x slower than fill - * for the xlib backend and 16x slower for the image backend. - */ - -static cairo_time_t -box_outline_stroke (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_rectangle (cr, - 1.5, 1.5, - width - 3, height - 3); - cairo_set_line_width (cr, 1.0); - cairo_set_source_rgb (cr, 1, 0, 0); /* red */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_stroke_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -box_outline_alpha_stroke (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_rectangle (cr, - 1.5, 1.5, - width - 3, height - 3); - cairo_set_line_width (cr, 1.0); - cairo_set_source_rgba (cr, 1, 0, 0, .5); /* red */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_stroke_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -box_outline_aa_stroke (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_translate (cr, .5, .5); - cairo_rectangle (cr, - 1.5, 1.5, - width - 3, height - 3); - cairo_set_line_width (cr, 1.0); - cairo_set_source_rgb (cr, 1, 0, 0); /* red */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_stroke_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -box_outline_fill (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_rectangle (cr, - 1.0, 1.0, - width - 2, height - 2); - cairo_rectangle (cr, - 2.0, 2.0, - width - 4, height - 4); - cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); - cairo_set_source_rgb (cr, 0, 1, 0); /* green */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_fill_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -box_outline_alpha_fill (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_rectangle (cr, - 1.0, 1.0, - width - 2, height - 2); - cairo_rectangle (cr, - 2.0, 2.0, - width - 4, height - 4); - cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); - cairo_set_source_rgba (cr, 0, 1, 0, .5); /* green */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_fill_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -static cairo_time_t -box_outline_aa_fill (cairo_t *cr, int width, int height, int loops) -{ - cairo_set_source_rgb (cr, 0, 0, 1); /* blue */ - cairo_paint (cr); - - cairo_translate (cr, .5, .5); - cairo_rectangle (cr, - 1.0, 1.0, - width - 2, height - 2); - cairo_rectangle (cr, - 2.0, 2.0, - width - 4, height - 4); - cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD); - cairo_set_source_rgb (cr, 0, 1, 0); /* green */ - - cairo_perf_timer_start (); - - while (loops--) - cairo_fill_preserve (cr); - - cairo_perf_timer_stop (); - - cairo_new_path (cr); - - return cairo_perf_timer_elapsed (); -} - -cairo_bool_t -box_outline_enabled (cairo_perf_t *perf) -{ - return cairo_perf_can_run (perf, "box-outline", NULL); -} - -void -box_outline (cairo_perf_t *perf, cairo_t *cr, int width, int height) -{ - cairo_perf_run (perf, "box-outline-stroke", box_outline_stroke, NULL); - cairo_perf_run (perf, "box-outline-fill", box_outline_fill, NULL); - - cairo_perf_run (perf, "box-outline-alpha-stroke", box_outline_alpha_stroke, NULL); - cairo_perf_run (perf, "box-outline-alpha-fill", box_outline_alpha_fill, NULL); - - cairo_perf_run (perf, "box-outline-aa-stroke", box_outline_aa_stroke, NULL); - cairo_perf_run (perf, "box-outline-aa-fill", box_outline_aa_fill, NULL); -} |