2 * Copyright © 2007 Björn Lindqvist
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 * Author: Björn Lindqvist <bjourne@gmail.com>
27 #include "cairo-perf.h"
29 /* This test case measures how much time cairo takes to render the
30 * equivalent of the following gdk-pixbuf operation:
32 * gdk_pixbuf_composite_color(dest,
33 * 0, 0, DST_SIZE, DST_SIZE,
39 * 8, 0x33333333, 0x88888888);
41 * Cairo is (at the time of writing) about 2-3 times as slow as
47 static cairo_pattern_t
*checkerboard
= NULL
;
48 static cairo_pattern_t
*src_pattern
= NULL
;
50 static cairo_perf_ticks_t
51 do_composite_checker (cairo_t
*cr
,
55 /* Compute zoom so that the src_pattern covers the whole output image. */
56 double xscale
= width
/ (double) SRC_SIZE
;
57 double yscale
= height
/ (double) SRC_SIZE
;
59 cairo_perf_timer_start ();
61 cairo_identity_matrix (cr
);
63 /* Fill the surface with our background. */
64 cairo_set_source (cr
, checkerboard
);
67 /* Draw the scaled image on top. */
68 cairo_scale (cr
, xscale
, yscale
);
69 cairo_set_source (cr
, src_pattern
);
72 cairo_perf_timer_stop ();
73 return cairo_perf_timer_elapsed ();
77 composite_checker (cairo_perf_t
*perf
,
82 cairo_surface_t
*image
;
84 /* Create the checker pattern. We don't actually need to draw
85 * anything on it since that wouldn't affect performance.
87 image
= cairo_image_surface_create (CAIRO_FORMAT_ARGB32
,
90 checkerboard
= cairo_pattern_create_for_surface (image
);
91 cairo_pattern_set_filter (checkerboard
, CAIRO_FILTER_NEAREST
);
92 cairo_pattern_set_extend (checkerboard
, CAIRO_EXTEND_REPEAT
);
93 cairo_surface_destroy (image
);
95 /* Create the image source pattern. Again we use the NEAREST
96 * filtering which should be fastest.
98 image
= cairo_image_surface_create (CAIRO_FORMAT_ARGB32
,
101 src_pattern
= cairo_pattern_create_for_surface (image
);
102 cairo_pattern_set_filter (src_pattern
, CAIRO_FILTER_NEAREST
);
103 cairo_surface_destroy (image
);
105 cairo_perf_run (perf
, "composite-checker", do_composite_checker
);
107 cairo_pattern_destroy (checkerboard
);
108 cairo_pattern_destroy (src_pattern
);