void video_manager::frame_update(bool from_debugger)
{
// only render sound and video if we're in the running phase
int phase = machine().phase();
bool skipped_it = m_skipping_this_frame;
if (phase == MACHINE_PHASE_RUNNING && (!machine().paused() || machine().options().update_in_pause()))
{
bool anything_changed = finish_screen_updates();
// if none of the screens changed and we haven't skipped too many frames in a row,
// mark this frame as skipped to prevent throttling; this helps for games that
// don't update their screen at the monitor refresh rate
if (!anything_changed && !m_auto_frameskip && m_frameskip_level == 0 && m_empty_skip_count++ < 3)
skipped_it = true;
else
m_empty_skip_count = 0;
}
// draw the user interface
emulator_info::draw_user_interface(machine());
// if we're throttling, synchronize before rendering
attotime current_time = machine().time();
if (!from_debugger && !skipped_it && effective_throttle())
update_throttle(current_time);
// ask the OSD to update
g_profiler.start(PROFILER_BLIT);
machine().osd().update(!from_debugger && skipped_it);
g_profiler.stop();
emulator_info::periodic_check();
// perform tasks for this frame
if (!from_debugger)
machine().call_notifiers(MACHINE_NOTIFY_FRAME);
// update frameskipping
if (!from_debugger)
update_frameskip();
// update speed computations
if (!from_debugger && !skipped_it)
recompute_speed(current_time);
// call the end-of-frame callback
if (phase == MACHINE_PHASE_RUNNING)
{
// reset partial updates if we're paused or if the debugger is active
screen_device *const screen = machine().first_screen();
bool const debugger_enabled = machine().debug_flags & DEBUG_FLAG_ENABLED;
bool const within_instruction_hook = debugger_enabled && machine().debugger().within_instruction_hook();
if (screen && (machine().paused() || from_debugger || within_instruction_hook))
screen->reset_partial_updates();
}
}
void video_manager::frame_update(bool debug)
{
// only render sound and video if we're in the running phase
int phase = machine().phase();
bool skipped_it = m_skipping_this_frame;
if (phase == MACHINE_PHASE_RUNNING && (!machine().paused() || machine().options().update_in_pause()))
{
bool anything_changed = finish_screen_updates();
// if none of the screens changed and we haven't skipped too many frames in a row,
// mark this frame as skipped to prevent throttling; this helps for games that
// don't update their screen at the monitor refresh rate
if (!anything_changed && !m_auto_frameskip && m_frameskip_level == 0 && m_empty_skip_count++ < 3)
skipped_it = true;
else
m_empty_skip_count = 0;
}
// draw the user interface
ui_update_and_render(machine(), &machine().render().ui_container());
// update the internal render debugger
debugint_update_during_game(machine());
// if we're throttling, synchronize before rendering
attotime current_time = machine().time();
if (!debug && !skipped_it && effective_throttle())
update_throttle(current_time);
// ask the OSD to update
g_profiler.start(PROFILER_BLIT);
machine().osd().update(!debug && skipped_it);
g_profiler.stop();
// perform tasks for this frame
if (!debug)
machine().call_notifiers(MACHINE_NOTIFY_FRAME);
// update frameskipping
if (!debug)
update_frameskip();
// update speed computations
if (!debug && !skipped_it)
recompute_speed(current_time);
// call the end-of-frame callback
if (phase == MACHINE_PHASE_RUNNING)
{
// reset partial updates if we're paused or if the debugger is active
if (machine().primary_screen != NULL && (machine().paused() || debug || debugger_within_instruction_hook(machine())))
machine().primary_screen->reset_partial_updates();
}
}