RetroArch/gfx/gfx_common.c

140 lines
3.4 KiB
C
Raw Normal View History

2012-04-03 17:19:18 +00:00
/* SSNES - A frontend for libretro.
2012-01-08 00:08:18 +00:00
* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
2011-03-26 17:34:58 +00:00
*
* SSNES is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with SSNES.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "gfx_common.h"
2011-11-30 16:27:47 +00:00
#include "../general.h"
2011-12-24 23:59:46 +00:00
#ifndef _MSC_VER
2011-03-26 17:34:58 +00:00
#include <sys/time.h>
2011-12-24 23:59:46 +00:00
#else
#include <winsock2.h>
#include <mmsystem.h>
2011-12-25 00:54:29 +00:00
static int gettimeofday(struct timeval *val, void *dummy)
2011-12-24 23:59:46 +00:00
{
(void)dummy;
DWORD msec = timeGetTime();
uint64_t usec = msec * 1000;
val->tv_sec = usec / 1000000;
val->tv_usec = usec % 1000000;
2011-12-25 00:54:29 +00:00
return 0;
}
#endif
#ifdef __CELLOS_LV2__
#include <sys/sys_time.h>
static int gettimeofday(struct timeval *val, void *dummy)
{
(void)dummy;
uint64_t usec = sys_time_get_system_time();
val->tv_sec = usec / 1000000;
val->tv_usec = usec % 1000000;
return 0;
2011-12-24 23:59:46 +00:00
}
#endif
2011-03-26 17:34:58 +00:00
static float tv_to_fps(const struct timeval *tv, const struct timeval *new_tv, int frames)
{
float time = new_tv->tv_sec - tv->tv_sec + (new_tv->tv_usec - tv->tv_usec)/1000000.0;
return frames/time;
}
2011-08-06 01:28:07 +00:00
static unsigned gl_frames = 0;
void gfx_window_title_reset(void)
{
gl_frames = 0;
}
2011-03-26 17:34:58 +00:00
bool gfx_window_title(char *buf, size_t size)
{
static struct timeval tv;
struct timeval new_tv;
bool ret = false;
2011-08-06 01:28:07 +00:00
if (gl_frames == 0)
2011-03-26 17:34:58 +00:00
{
gettimeofday(&tv, NULL);
2011-04-08 18:53:11 +00:00
snprintf(buf, size, "%s", g_extern.title_buf);
2011-03-26 17:34:58 +00:00
ret = true;
}
2011-08-06 01:28:07 +00:00
else if ((gl_frames % 180) == 0)
2011-03-26 17:34:58 +00:00
{
gettimeofday(&new_tv, NULL);
struct timeval tmp_tv = tv;
tv = new_tv;
float fps = tv_to_fps(&tmp_tv, &new_tv, 180);
2011-08-06 01:28:07 +00:00
snprintf(buf, size, "%s || FPS: %6.1f || Frames: %d", g_extern.title_buf, fps, gl_frames);
2011-03-26 17:34:58 +00:00
ret = true;
}
2011-08-06 01:28:07 +00:00
gl_frames++;
2011-03-26 17:34:58 +00:00
return ret;
}
#ifdef _WIN32
#include <windows.h>
2011-12-24 23:59:46 +00:00
#include "../dynamic.h"
2011-08-07 20:31:59 +00:00
// We only load this library once, so we let it be unloaded at application shutdown,
// since unloading it early seems to cause issues on some systems.
static dylib_t dwmlib = NULL;
static void gfx_dwm_shutdown(void)
{
if (dwmlib)
dylib_close(dwmlib);
}
2011-08-07 19:15:50 +00:00
void gfx_set_dwm(void)
{
static bool inited = false;
if (inited)
return;
inited = true;
2011-08-07 20:31:59 +00:00
dwmlib = dylib_load("dwmapi.dll");
if (!dwmlib)
{
2011-09-22 10:15:16 +00:00
SSNES_LOG("Did not find dwmapi.dll.\n");
return;
}
2011-08-07 20:31:59 +00:00
atexit(gfx_dwm_shutdown);
2011-08-07 20:31:59 +00:00
HRESULT (WINAPI *mmcss)(BOOL) = (HRESULT (WINAPI*)(BOOL))dylib_proc(dwmlib, "DwmEnableMMCSS");
2011-08-07 19:15:50 +00:00
if (mmcss)
{
SSNES_LOG("Setting multimedia scheduling for DWM.\n");
mmcss(TRUE);
}
if (!g_settings.video.disable_composition)
2011-08-07 20:31:59 +00:00
return;
2011-08-07 19:15:50 +00:00
2011-08-07 20:31:59 +00:00
HRESULT (WINAPI *composition_enable)(UINT) = (HRESULT (WINAPI*)(UINT))dylib_proc(dwmlib, "DwmEnableComposition");
if (!composition_enable)
{
SSNES_ERR("Did not find DwmEnableComposition ...\n");
return;
}
HRESULT ret = composition_enable(0);
if (FAILED(ret))
SSNES_ERR("Failed to set composition state ...\n");
}
#endif