mirror of
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115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
/* SSNES - A Super Nintendo Entertainment System (SNES) Emulator frontend for libsnes.
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* Copyright (C) 2010-2011 - Hans-Kristian Arntzen
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*
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* Some code herein may be based on code found in BSNES.
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*
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* SSNES is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* SSNES is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with SSNES.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "gfx_common.h"
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#include "general.h"
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#include <sys/time.h>
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static float tv_to_fps(const struct timeval *tv, const struct timeval *new_tv, int frames)
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{
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float time = new_tv->tv_sec - tv->tv_sec + (new_tv->tv_usec - tv->tv_usec)/1000000.0;
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return frames/time;
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}
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static unsigned gl_frames = 0;
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void gfx_window_title_reset(void)
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{
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gl_frames = 0;
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}
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bool gfx_window_title(char *buf, size_t size)
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{
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static struct timeval tv;
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struct timeval new_tv;
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bool ret = false;
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if (gl_frames == 0)
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{
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gettimeofday(&tv, NULL);
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snprintf(buf, size, "%s", g_extern.title_buf);
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ret = true;
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}
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else if ((gl_frames % 180) == 0)
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{
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gettimeofday(&new_tv, NULL);
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struct timeval tmp_tv = tv;
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tv = new_tv;
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float fps = tv_to_fps(&tmp_tv, &new_tv, 180);
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snprintf(buf, size, "%s || FPS: %6.1f || Frames: %d", g_extern.title_buf, fps, gl_frames);
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ret = true;
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}
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gl_frames++;
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return ret;
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}
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#ifdef _WIN32
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#include <windows.h>
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#include "dynamic.h"
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// We only load this library once, so we let it be unloaded at application shutdown,
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// since unloading it early seems to cause issues on some systems.
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static dylib_t dwmlib = NULL;
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static void gfx_dwm_shutdown(void)
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{
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if (dwmlib)
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dylib_close(dwmlib);
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}
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void gfx_set_dwm(void)
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{
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static bool inited = false;
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if (inited)
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return;
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inited = true;
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dwmlib = dylib_load("dwmapi.dll");
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if (!dwmlib)
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{
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SSNES_LOG("Did not find dwmapi.dll.\n");
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return;
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}
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atexit(gfx_dwm_shutdown);
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HRESULT (WINAPI *mmcss)(BOOL) = (HRESULT (WINAPI*)(BOOL))dylib_proc(dwmlib, "DwmEnableMMCSS");
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if (mmcss)
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{
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SSNES_LOG("Setting multimedia scheduling for DWM.\n");
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mmcss(TRUE);
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}
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if (!g_settings.video.disable_composition)
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return;
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HRESULT (WINAPI *composition_enable)(UINT) = (HRESULT (WINAPI*)(UINT))dylib_proc(dwmlib, "DwmEnableComposition");
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if (!composition_enable)
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{
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SSNES_ERR("Did not find DwmEnableComposition ...\n");
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return;
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}
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HRESULT ret = composition_enable(0);
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if (FAILED(ret))
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SSNES_ERR("Failed to set composition state ...\n");
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}
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#endif
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