static void video_exit(void)
{
int i;
/* stop recording any movie */
record_movie_stop();
/* free all the graphics elements */
for (i = 0; i < MAX_GFX_ELEMENTS; i++)
{
freegfx(Machine->gfx[i]);
Machine->gfx[i] = 0;
}
#if defined(MAME_DEBUG) && !defined(NEW_DEBUGGER)
/* free the font elements */
if (Machine->debugger_font)
{
freegfx(Machine->debugger_font);
Machine->debugger_font = NULL;
}
#endif
/* close down the OSD layer's display */
osd_close_display();
}
static void vh_close(void)
{
int i;
for (i = 0;i < MAX_GFX_ELEMENTS;i++)
{
freegfx(Machine->gfx[i]);
Machine->gfx[i] = 0;
}
freegfx(Machine->uifont);
Machine->uifont = 0;
osd_close_display();
if (Machine->scrbitmap)
{
bitmap_free(Machine->scrbitmap);
Machine->scrbitmap = NULL;
}
palette_stop();
if (drv->video_attributes & VIDEO_BUFFERS_SPRITERAM) {
if (buffered_spriteram) free(buffered_spriteram);
if (buffered_spriteram_2) free(buffered_spriteram_2);
buffered_spriteram=NULL;
buffered_spriteram_2=NULL;
}
}
void vh_close(void)
{
int i;
for (i = 0;i < MAX_GFX_ELEMENTS;i++) freegfx(Machine->gfx[i]);
osd_close_display();
}
/* set the actual display screen but don't allocate the screen bitmap */
int osd_set_display(int width,int height,int depth,int attributes,int orientation)
{
int i;
if (!gfx_height || !gfx_width)
{
printf("Please specify height AND width (e.g. -640x480)\n");
return 0;
}
/* Mark the dirty buffers as dirty */
if (use_dirty)
{
if (vector_game)
/* vector games only use one dirty buffer */
init_dirty (0);
else
init_dirty(1);
swap_dirty();
init_dirty(1);
}
if (dirtycolor)
{
for (i = 0;i < screen_colors;i++)
dirtycolor[i] = 1;
dirtypalette = 1;
}
/* Set video mode */
wiz_set_video_mode(depth,gfx_width,gfx_height);
vsync_frame_rate = video_fps;
if (video_sync)
{
TICKER a,b;
float rate;
/* wait some time to let everything stabilize */
for (i = 0;i < 60;i++)
{
vsync();
a = ticker();
}
/* small delay for really really fast machines */
for (i = 0;i < 100000;i++) ;
vsync();
b = ticker();
rate = ((float)TICKS_PER_SEC)/(b-a);
logerror("target frame rate = %ffps, video frame rate = %3.2fHz\n",video_fps,rate);
/* don't allow more than 8% difference between target and actual frame rate */
while (rate > video_fps * 108 / 100)
rate /= 2;
if (rate < video_fps * 92 / 100)
{
osd_close_display();
logerror("-vsync option cannot be used with this display mode:\n"
"video refresh frequency = %dHz, target frame rate = %ffps\n",
(int)(TICKS_PER_SEC/(b-a)),video_fps);
return 0;
}
logerror("adjusted video frame rate = %3.2fHz\n",rate);
vsync_frame_rate = rate;
if (Machine->sample_rate)
{
Machine->sample_rate = Machine->sample_rate * video_fps / rate;
logerror("sample rate adjusted to match video freq: %d\n",Machine->sample_rate);
}
}
return 1;
}