cairo/perf/cairo-perf.h
Carl Worth fd13e874a7 perf: Drop separate setup function from each test case.
We are already doing loop measurement internally, so each function
can already do any setup it needs without it affecting the measurement.
2006-08-31 11:42:51 -07:00

74 lines
2.6 KiB
C

/*
* Copyright © 2006 Mozilla Corporation
* 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
* the authors not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission. The authors make no representations about the
* suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE AUTHORS 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.
*
* Authors: Vladimir Vukicevic <vladimir@pobox.com>
* Carl Worth <cworth@cworth.org>
*/
#ifndef _CAIRO_PERF_H_
#define _CAIRO_PERF_H_
#include "cairo-boilerplate.h"
#include "cairo-perf-timer.h"
extern int cairo_perf_duration;
extern int cairo_perf_alarm_expired;
#if CAIRO_HAS_WIN32_SURFACE
/* Windows needs a SleepEx to put the thread into an alertable state,
* such that the timer expiration callback can fire. I can't figure
* out how to do an async timer. On a quiet system, this doesn't
* seem to significantly affect the results.
*/
# define CAIRO_PERF_LOOP_INIT(timervar) do { \
timervar.count = 0; \
timer_start (&(timervar)); \
set_alarm (cairo_perf_duration); \
while (! cairo_perf_alarm_expired) { \
SleepEx(0, TRUE)
#else
# define CAIRO_PERF_LOOP_INIT(timervar) do { \
timervar.count = 0; \
timer_start (&(timervar)); \
set_alarm (cairo_perf_duration); \
while (! cairo_perf_alarm_expired) {
#endif
#define CAIRO_PERF_LOOP_FINI(timervar) \
(timervar).count++; \
} \
timer_stop (&(timervar)); \
} while (0)
#define CAIRO_PERF_LOOP_RATE(timervar) \
((timervar).count) / timer_elapsed (&(timervar))
typedef void (*cairo_perf_func_t) (cairo_t *cr, int width, int height);
#define CAIRO_PERF_DECL(func) void func (cairo_t *cr, int width, int height)
CAIRO_PERF_DECL (paint);
CAIRO_PERF_DECL (paint_alpha);
#endif