diff options
Diffstat (limited to 'perf')
| -rw-r--r-- | perf/Makefile.am | 1 | ||||
| -rw-r--r-- | perf/cairo-perf.c | 1 | ||||
| -rw-r--r-- | perf/cairo-perf.h | 1 | ||||
| -rw-r--r-- | perf/composite-checker.c | 108 |
4 files changed, 111 insertions, 0 deletions
diff --git a/perf/Makefile.am b/perf/Makefile.am index 46f053d6..1cdcf535 100644 --- a/perf/Makefile.am +++ b/perf/Makefile.am @@ -17,6 +17,7 @@ cairo_perf_SOURCES = \ cairo-stats.c \ cairo-stats.h \ box-outline.c \ + composite-checker.c \ fill.c \ long-lines.c \ mosaic.c \ diff --git a/perf/cairo-perf.c b/perf/cairo-perf.c index 0a1e370c..68e145bb 100644 --- a/perf/cairo-perf.c +++ b/perf/cairo-perf.c @@ -456,5 +456,6 @@ const cairo_perf_case_t perf_cases[] = { { rectangles, 512, 512}, { rounded_rectangles, 512, 512}, { long_dashed_lines, 512, 512}, + { composite_checker, 16, 512}, { NULL } }; diff --git a/perf/cairo-perf.h b/perf/cairo-perf.h index 222251d2..4a75dc11 100644 --- a/perf/cairo-perf.h +++ b/perf/cairo-perf.h @@ -112,5 +112,6 @@ CAIRO_PERF_DECL (unaligned_clip); CAIRO_PERF_DECL (rectangles); CAIRO_PERF_DECL (rounded_rectangles); CAIRO_PERF_DECL (long_dashed_lines); +CAIRO_PERF_DECL (composite_checker); #endif diff --git a/perf/composite-checker.c b/perf/composite-checker.c new file mode 100644 index 00000000..f38451f1 --- /dev/null +++ b/perf/composite-checker.c @@ -0,0 +1,108 @@ +/* + * Copyright © 2007 Björn Lindqvist + * + * 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: Björn Lindqvist <bjourne@gmail.com> + */ + +#include "cairo-perf.h" + +/* This test case measures how much time cairo takes to render the + * equivalent of the following gdk-pixbuf operation: + * + * gdk_pixbuf_composite_color(dest, + * 0, 0, DST_SIZE, DST_SIZE, + * 0, 0, + * SCALE, SCALE, + * gdk.INTERP_NEAREST, + * 255, + * 0, 0, + * 8, 0x33333333, 0x88888888); + * + * Cairo is (at the time of writing) about 2-3 times as slow as + * gdk-pixbuf. + */ +#define PAT_SIZE 16 +#define SRC_SIZE 64 + +static cairo_pattern_t *checkerboard = NULL; +static cairo_pattern_t *src_pattern = NULL; + +static cairo_perf_ticks_t +do_composite_checker (cairo_t *cr, + int width, + int height) +{ + /* Compute zoom so that the src_pattern covers the whole output image. */ + double xscale = width / (double) SRC_SIZE; + double yscale = height / (double) SRC_SIZE; + + cairo_perf_timer_start (); + + cairo_identity_matrix (cr); + + /* Fill the surface with our background. */ + cairo_set_source (cr, checkerboard); + cairo_paint (cr); + + /* Draw the scaled image on top. */ + cairo_scale (cr, xscale, yscale); + cairo_set_source (cr, src_pattern); + cairo_paint (cr); + + cairo_perf_timer_stop (); + return cairo_perf_timer_elapsed (); +} + +void +composite_checker (cairo_perf_t *perf, + cairo_t *cr, + int width, + int height) +{ + cairo_surface_t *image; + + /* Create the checker pattern. We don't actually need to draw + * anything on it since that wouldn't affect performance. + */ + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + PAT_SIZE, + PAT_SIZE); + checkerboard = cairo_pattern_create_for_surface (image); + cairo_pattern_set_filter (checkerboard, CAIRO_FILTER_NEAREST); + cairo_pattern_set_extend (checkerboard, CAIRO_EXTEND_REPEAT); + + /* Create the image source pattern. Again we use the NEAREST + * filtering which should be fastest. + */ + image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, + SRC_SIZE, + SRC_SIZE); + src_pattern = cairo_pattern_create_for_surface (image); + cairo_pattern_set_filter (src_pattern, CAIRO_FILTER_NEAREST); + + cairo_perf_run (perf, "composite-checker", do_composite_checker); + + /* Frees the associated surfaces too. */ + cairo_pattern_destroy (checkerboard); + cairo_pattern_destroy (src_pattern); +} |