bool vsync_switchmode(int hz)
{
int changed_height = changed_prefs.gfx_monitor.gfx_size.height;
struct amigadisplay *ad = &adisplays;
if (hz >= 55)
hz = 60;
else
hz = 50;
if (hz == 50 && currVSyncRate == 60) {
// Switch from NTSC -> PAL
switch (changed_height) {
case 200: changed_height = 240; break;
case 216: changed_height = 262; break;
case 240: changed_height = 270; break;
case 256: changed_height = 270; break;
case 262: changed_height = 270; break;
case 270: changed_height = 270; break;
}
} else if (hz == 60 && currVSyncRate == 50) {
// Switch from PAL -> NTSC
switch (changed_height) {
case 200: changed_height = 200; break;
case 216: changed_height = 200; break;
case 240: changed_height = 200; break;
case 256: changed_height = 216; break;
case 262: changed_height = 216; break;
case 270: changed_height = 240; break;
}
}
if(hz != currVSyncRate) {
currVSyncRate = hz;
black_screen_now();
fpscounter_reset();
time_per_frame = time_for_host_hz_frames / (hz);
}
if(!ad->picasso_on && !ad->picasso_requested_on)
changed_prefs.gfx_monitor.gfx_size.height = changed_height;
return true;
}
bool target_graphics_buffer_update(void)
{
bool rate_changed = false;
if (currprefs.gfx_monitor.gfx_size.height != changed_prefs.gfx_monitor.gfx_size.height) {
update_display(&changed_prefs);
rate_changed = true;
}
if (rate_changed) {
black_screen_now();
fpscounter_reset();
time_per_frame = time_for_host_hz_frames / (currprefs.chipset_refreshrate);
}
reset_sync();
return true;
}
bool target_graphics_buffer_update (void)
{
bool rate_changed = SetVSyncRate(currprefs.chipset_refreshrate);
if(currprefs.gfx_size.height != changed_prefs.gfx_size.height)
{
update_display(&changed_prefs);
rate_changed = true;
}
if(rate_changed)
{
black_screen_now();
fpscounter_reset();
time_per_frame = 1000 * 1000 / (currprefs.chipset_refreshrate);
}
return true;
}
