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/*
* Copyright © 2006 Red Hat, Inc.
*
* 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
* Red Hat, Inc. not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. Red Hat, Inc. makes no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* RED HAT, INC. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
*/
#include "cairo-perf.h"
static int
iters_for_size (int size)
{
if (size <= 64)
return 8;
else if (size <= 128)
return 4;
else if (size <= 256)
return 2;
else
return 1;
}
static cairo_perf_ticks_t
do_paint (cairo_t *cr, int size)
{
int i;
int iters = iters_for_size (size);
cairo_perf_timer_start ();
for (i=0; i < iters; i++)
cairo_paint (cr);
cairo_perf_timer_stop ();
return cairo_perf_timer_elapsed ();
}
/*
* paint with solid color
*/
static cairo_perf_ticks_t
paint_over_solid (cairo_t *cr, int width, int height)
{
cairo_set_source_rgb (cr, 0.2, 0.6, 0.9);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_over_solid_alpha (cairo_t *cr, int width, int height)
{
cairo_set_source_rgba (cr, 0.2, 0.6, 0.9, 0.7);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_source_solid (cairo_t *cr, int width, int height)
{
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgb (cr, 0.2, 0.6, 0.9);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_source_solid_alpha (cairo_t *cr, int width, int height)
{
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgba (cr, 0.2, 0.6, 0.9, 0.7);
return do_paint (cr, width);
}
/*
* paint with surface
*/
int cached_surface_width = 0;
int cached_surface_height = 0;
cairo_content_t cached_surface_content = 0;
cairo_surface_t *cached_surface = NULL;
static void
ensure_cached_surface (cairo_t *cr, cairo_content_t content, int w, int h)
{
cairo_surface_t *target_surface = cairo_get_target (cr);
cairo_t *cr2;
if (w == cached_surface_width && h == cached_surface_height &&
content == cached_surface_content &&
cached_surface &&
cairo_surface_get_type (target_surface) == cairo_surface_get_type (cached_surface))
{
return;
}
if (cached_surface)
cairo_surface_destroy (cached_surface);
cached_surface = cairo_surface_create_similar (target_surface, content, w, h);
cached_surface_width = w;
cached_surface_height = h;
cached_surface_content = content;
/* Fill it with something known */
cr2 = cairo_create (cached_surface);
cairo_set_operator (cr2, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr2);
cairo_set_operator (cr2, CAIRO_OPERATOR_SOURCE);
cairo_set_source_rgb (cr2, 0, 0, 1);
cairo_paint (cr2);
cairo_set_source_rgba (cr2, 1, 0, 0, 0.5);
cairo_new_path (cr2);
cairo_rectangle (cr2, 0, 0, w/2.0, h/2.0);
cairo_rectangle (cr2, w/2.0, h/2.0, w/2.0, h/2.0);
cairo_fill (cr2);
cairo_destroy (cr2);
}
static cairo_perf_ticks_t
paint_over_surface_rgb24 (cairo_t *cr, int width, int height)
{
ensure_cached_surface (cr, CAIRO_CONTENT_COLOR, width, height);
cairo_set_source_surface (cr, cached_surface, 0, 0);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_over_surface_argb32 (cairo_t *cr, int width, int height)
{
ensure_cached_surface (cr, CAIRO_CONTENT_COLOR_ALPHA, width, height);
cairo_set_source_surface (cr, cached_surface, 0, 0);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_source_surface_rgb24 (cairo_t *cr, int width, int height)
{
ensure_cached_surface (cr, CAIRO_CONTENT_COLOR, width, height);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, cached_surface, 0, 0);
return do_paint (cr, width);
}
static cairo_perf_ticks_t
paint_source_surface_argb32 (cairo_t *cr, int width, int height)
{
ensure_cached_surface (cr, CAIRO_CONTENT_COLOR_ALPHA, width, height);
cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
cairo_set_source_surface (cr, cached_surface, 0, 0);
return do_paint (cr, width);
}
void
paint (cairo_perf_t *perf)
{
cairo_perf_run (perf, "paint_over_solid", paint_over_solid);
cairo_perf_run (perf, "paint_over_solid_alpha", paint_over_solid_alpha);
cairo_perf_run (perf, "paint_source_solid", paint_source_solid);
cairo_perf_run (perf, "paint_source_solid_alpha", paint_source_solid_alpha);
cairo_perf_run (perf, "paint_over_surf_rgb24", paint_over_surface_rgb24);
cairo_perf_run (perf, "paint_over_surf_argb32", paint_over_surface_argb32);
cairo_perf_run (perf, "paint_source_surf_rgb24", paint_source_surface_rgb24);
cairo_perf_run (perf, "paint_source_surf_argb32", paint_source_surface_argb32);
}
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