perf/rectangles.c

   1 /*
   2  * Copyright © 2006 Dan Amelang
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software
   5  * and its documentation for any purpose is hereby granted without
   6  * fee, provided that the above copyright notice appear in all copies
   7  * and that both that copyright notice and this permission notice
   8  * appear in supporting documentation, and that the name of
   9  * the authors not be used in advertising or publicity pertaining to
  10  * distribution of the software without specific, written prior
  11  * permission. The authors make no representations about the
  12  * suitability of this software for any purpose.  It is provided "as
  13  * is" without express or implied warranty.
  14  *
  15  * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  16  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  17  * FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL,
  18  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  19  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
  20  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
  21  * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  22  *
  23  * Authors: Dan Amelang <dan@amelang.net>
  24  */
  25 #include "cairo-perf.h"
  26
  27 #if 0
  28 #define MODE cairo_perf_run
  29 #else
  30 #define MODE cairo_perf_cover_sources_and_operators
  31 #endif
  32
  33 #define RECTANGLE_COUNT (1000)
  34
  35 static struct
  36 {
  37     double x;
  38     double y;
  39     double width;
  40     double height;
  41 } rects[RECTANGLE_COUNT];
  42
  43 static cairo_perf_ticks_t
  44 do_rectangles (cairo_t *cr, int width, int height)
  45 {
  46     int i;
  47
  48     cairo_perf_timer_start ();
  49
  50     for (i = 0; i < RECTANGLE_COUNT; i++)
  51     {
  52         cairo_rectangle (cr, rects[i].x, rects[i].y,
  53                              rects[i].width, rects[i].height);
  54         cairo_fill (cr);
  55     }
  56
  57     cairo_perf_timer_stop ();
  58
  59     return cairo_perf_timer_elapsed ();
  60 }
  61
  62 static cairo_perf_ticks_t
  63 do_rectangles_once (cairo_t *cr, int width, int height)
  64 {
  65     int i;
  66
  67     cairo_perf_timer_start ();
  68
  69     for (i = 0; i < RECTANGLE_COUNT; i++)
  70     {
  71         cairo_rectangle (cr, rects[i].x, rects[i].y,
  72                              rects[i].width, rects[i].height);
  73     }
  74     cairo_fill (cr);
  75
  76     cairo_perf_timer_stop ();
  77
  78     return cairo_perf_timer_elapsed ();
  79 }
  80
  81 static cairo_perf_ticks_t
  82 do_rectangle (cairo_t *cr, int width, int height)
  83 {
  84     cairo_perf_timer_start ();
  85
  86     cairo_rectangle (cr, 0, 0, width, height);
  87     cairo_fill (cr);
  88
  89     cairo_perf_timer_stop ();
  90
  91     return cairo_perf_timer_elapsed ();
  92 }
  93
  94 void
  95 rectangles (cairo_perf_t *perf, cairo_t *cr, int width, int height)
  96 {
  97     int i;
  98
  99     if (! cairo_perf_can_run (perf, "rectangles"))
 100         return;
 101
 102     srand (8478232);
 103     for (i = 0; i < RECTANGLE_COUNT; i++)
 104     {
 105         rects[i].x = rand () % width;
 106         rects[i].y = rand () % height;
 107         rects[i].width  = (rand () % (width / 10)) + 1;
 108         rects[i].height = (rand () % (height / 10)) + 1;
 109     }
 110
 111     MODE (perf, "one-rectangle", do_rectangle);
 112     MODE (perf, "rectangles", do_rectangles);
 113     MODE (perf, "rectangles-once", do_rectangles_once);
 114 }