C++ running_machine::output方法代码示例

static LRESULT register_client(running_machine &machine, HWND hwnd, LPARAM id)
{
	registered_client **client;

	// find the end of the list; if we find ourself already registered,
	// return 1
	for (client = &clientlist; *client != nullptr; client = &(*client)->next)
		if ((*client)->id == id)
		{
			(*client)->hwnd = hwnd;
			machine.output().notify_all(notifier_callback, *client);
			return 1;
		}

	// add us to the end
	*client = global_alloc(registered_client);
	(*client)->next = nullptr;
	(*client)->id = id;
	(*client)->hwnd = hwnd;
	(*client)->machine = &machine;

	// request a notification for all outputs
	machine.output().notify_all(notifier_callback, *client);
	return 0;
}

static LRESULT send_id_string(running_machine &machine, HWND hwnd, LPARAM id)
{
	COPYDATASTRUCT copydata;
	const char *name;
	int datalen;

	// id 0 is the name of the game
	if (id == 0)
		name = machine.system().name;
	else
		name = machine.output().id_to_name(id);

	// a NULL name is an empty string
	if (name == nullptr)
		name = "";

	// allocate memory for the message
	datalen = sizeof(copydata_id_string) + strlen(name) + 1;
	dynamic_buffer buffer(datalen);
	copydata_id_string *temp = (copydata_id_string *)&buffer[0];
	temp->id = id;
	strcpy(temp->string, name);

	// reply by using SendMessage with WM_COPYDATA
	copydata.dwData = COPYDATA_MESSAGE_ID_STRING;
	copydata.cbData = datalen;
	copydata.lpData = temp;
	SendMessage(hwnd, WM_COPYDATA, (WPARAM)output_hwnd, (LPARAM)&copydata);

	return 0;
}

void awp_draw_reel(running_machine &machine, const char* reeltag, stepper_device &reel)
{
	char rg[16];

	int reelpos =  reel.get_position();
	if (reelpos == machine.output().get_value(reeltag))
	{
		// Not moved, no need to update.
	}
	else
	{
		machine.output().set_value(reeltag,(reelpos));

		// if the reel isn't configured don't do this, otherwise you'll get DIV0
		if (reel.get_max())
		{
			sprintf(rg,"s%s", reeltag); // our new scrolling reels are called 'sreel'
			// normalize the value
			int sreelpos = (reelpos * 0x10000) / reel.get_max();

			machine.output().set_value(rg,sreelpos);
		}
	}
}

video_manager::video_manager(running_machine &machine)
	: m_machine(machine),
		m_screenless_frame_timer(nullptr),
		m_output_changed(false),
		m_throttle_last_ticks(0),
		m_throttle_realtime(attotime::zero),
		m_throttle_emutime(attotime::zero),
		m_throttle_history(0),
		m_speed_last_realtime(0),
		m_speed_last_emutime(attotime::zero),
		m_speed_percent(1.0),
		m_overall_real_seconds(0),
		m_overall_real_ticks(0),
		m_overall_emutime(attotime::zero),
		m_overall_valid_counter(0),
		m_throttled(machine.options().throttle()),
		m_throttle_rate(1.0f),
		m_fastforward(false),
		m_seconds_to_run(machine.options().seconds_to_run()),
		m_auto_frameskip(machine.options().auto_frameskip()),
		m_speed(original_speed_setting()),
		m_empty_skip_count(0),
		m_frameskip_level(machine.options().frameskip()),
		m_frameskip_counter(0),
		m_frameskip_adjust(0),
		m_skipping_this_frame(false),
		m_average_oversleep(0),
		m_snap_target(nullptr),
		m_snap_native(true),
		m_snap_width(0),
		m_snap_height(0),
		m_mng_frame_period(attotime::zero),
		m_mng_next_frame_time(attotime::zero),
		m_mng_frame(0),
		m_avi_file(nullptr),
		m_avi_frame_period(attotime::zero),
		m_avi_next_frame_time(attotime::zero),
		m_avi_frame(0),
		m_dummy_recording(false),
		m_timecode_enabled(false),
		m_timecode_write(false),
		m_timecode_text(""),
		m_timecode_start(attotime::zero),
		m_timecode_total(attotime::zero)

{
	// request a callback upon exiting
	machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(video_manager::exit), this));
	machine.save().register_postload(save_prepost_delegate(FUNC(video_manager::postload), this));

	// extract initial execution state from global configuration settings
	update_refresh_speed();

	// create a render target for snapshots
	const char *viewname = machine.options().snap_view();
	m_snap_native = (machine.first_screen() != nullptr && (viewname[0] == 0 || strcmp(viewname, "native") == 0));

	// the native target is hard-coded to our internal layout and has all options disabled
	if (m_snap_native)
	{
		m_snap_target = machine.render().target_alloc(layout_snap, RENDER_CREATE_SINGLE_FILE | RENDER_CREATE_HIDDEN);
		m_snap_target->set_backdrops_enabled(false);
		m_snap_target->set_overlays_enabled(false);
		m_snap_target->set_bezels_enabled(false);
		m_snap_target->set_cpanels_enabled(false);
		m_snap_target->set_marquees_enabled(false);
		m_snap_target->set_screen_overlay_enabled(false);
		m_snap_target->set_zoom_to_screen(false);
	}

	// other targets select the specified view and turn off effects
	else
	{
		m_snap_target = machine.render().target_alloc(nullptr, RENDER_CREATE_HIDDEN);
		m_snap_target->set_view(m_snap_target->configured_view(viewname, 0, 1));
		m_snap_target->set_screen_overlay_enabled(false);
	}

	// extract snap resolution if present
	if (sscanf(machine.options().snap_size(), "%dx%d", &m_snap_width, &m_snap_height) != 2)
		m_snap_width = m_snap_height = 0;

	// start recording movie if specified
	const char *filename = machine.options().mng_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_MNG);

	filename = machine.options().avi_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_AVI);

#ifdef MAME_DEBUG
	m_dummy_recording = machine.options().dummy_write();
#endif

	// if no screens, create a periodic timer to drive updates
	if (machine.first_screen() == nullptr)
	{
		m_screenless_frame_timer = machine.scheduler().timer_alloc(timer_expired_delegate(FUNC(video_manager::screenless_update_callback), this));
		m_screenless_frame_timer->adjust(screen_device::DEFAULT_FRAME_PERIOD, 0, screen_device::DEFAULT_FRAME_PERIOD);
//.........这里部分代码省略.........

void windows_osd_interface::init(running_machine &machine)
{
	// call our parent
	osd_common_t::init(machine);

	const char *stemp;
	windows_options &options = downcast<windows_options &>(machine.options());

	// determine if we are benchmarking, and adjust options appropriately
	int bench = options.bench();
	std::string error_string;
	if (bench > 0)
	{
		options.set_value(OPTION_THROTTLE, false, OPTION_PRIORITY_MAXIMUM, error_string);
		options.set_value(OSDOPTION_SOUND, "none", OPTION_PRIORITY_MAXIMUM, error_string);
		options.set_value(OSDOPTION_VIDEO, "none", OPTION_PRIORITY_MAXIMUM, error_string);
		options.set_value(OPTION_SECONDS_TO_RUN, bench, OPTION_PRIORITY_MAXIMUM, error_string);
		assert(error_string.empty());
	}

	// determine if we are profiling, and adjust options appropriately
	int profile = options.profile();
	if (profile > 0)
	{
		options.set_value(OPTION_THROTTLE, false, OPTION_PRIORITY_MAXIMUM, error_string);
		options.set_value(OSDOPTION_NUMPROCESSORS, 1, OPTION_PRIORITY_MAXIMUM, error_string);
		assert(error_string.empty());
	}

	// thread priority
	if (!(machine.debug_flags & DEBUG_FLAG_OSD_ENABLED))
		SetThreadPriority(GetCurrentThread(), options.priority());

	// get number of processors
	stemp = options.numprocessors();

	osd_num_processors = 0;

	if (strcmp(stemp, "auto") != 0)
	{
		osd_num_processors = atoi(stemp);
		if (osd_num_processors < 1)
		{
			osd_printf_warning("Warning: numprocessors < 1 doesn't make much sense. Assuming auto ...\n");
			osd_num_processors = 0;
		}
	}

	// initialize the subsystems
	osd_common_t::init_subsystems();

	// notify listeners of screen configuration
	for (auto info : osd_common_t::s_window_list)
	{
		machine.output().set_value(string_format("Orientation(%s)", info->monitor()->devicename()).c_str(), std::static_pointer_cast<win_window_info>(info)->m_targetorient);
	}

	// hook up the debugger log
	if (options.oslog())
	{
		using namespace std::placeholders;
		machine.add_logerror_callback(std::bind(&windows_osd_interface::output_oslog, this, _1));
	}

#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
	// crank up the multimedia timer resolution to its max
	// this gives the system much finer timeslices
	timeresult = timeGetDevCaps(&timecaps, sizeof(timecaps));
	if (timeresult == TIMERR_NOERROR)
		timeBeginPeriod(timecaps.wPeriodMin);
#endif

	// create and start the profiler
	if (profile > 0)
	{
		diagnostics_module::get_instance()->start_profiler(1000, profile - 1);
	}

	// initialize sockets
	win_init_sockets();

	// note the existence of a machine
	g_current_machine = &machine;
}

video_manager::video_manager(running_machine &machine)
	: m_machine(machine)
	, m_screenless_frame_timer(nullptr)
	, m_output_changed(false)
	, m_throttle_last_ticks(0)
	, m_throttle_realtime(attotime::zero)
	, m_throttle_emutime(attotime::zero)
	, m_throttle_history(0)
	, m_speed_last_realtime(0)
	, m_speed_last_emutime(attotime::zero)
	, m_speed_percent(1.0)
	, m_overall_real_seconds(0)
	, m_overall_real_ticks(0)
	, m_overall_emutime(attotime::zero)
	, m_overall_valid_counter(0)
	, m_throttled(machine.options().throttle())
	, m_throttle_rate(1.0f)
	, m_fastforward(false)
	, m_seconds_to_run(machine.options().seconds_to_run())
	, m_auto_frameskip(machine.options().auto_frameskip())
	, m_speed(original_speed_setting())
	, m_empty_skip_count(0)
	, m_frameskip_level(machine.options().frameskip())
	, m_frameskip_counter(0)
	, m_frameskip_adjust(0)
	, m_skipping_this_frame(false)
	, m_average_oversleep(0)
	, m_snap_target(nullptr)
	, m_snap_native(true)
	, m_snap_width(0)
	, m_snap_height(0)
	, m_timecode_enabled(false)
	, m_timecode_write(false)
	, m_timecode_text("")
	, m_timecode_start(attotime::zero)
	, m_timecode_total(attotime::zero)
{
	// request a callback upon exiting
	machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(&video_manager::exit, this));
	machine.save().register_postload(save_prepost_delegate(FUNC(video_manager::postload), this));

	// extract initial execution state from global configuration settings
	update_refresh_speed();

	const unsigned screen_count(screen_device_iterator(machine.root_device()).count());
	const bool no_screens(!screen_count);

	// create a render target for snapshots
	const char *viewname = machine.options().snap_view();
	m_snap_native = !no_screens && (viewname[0] == 0 || strcmp(viewname, "native") == 0);

	if (m_snap_native)
	{
		// the native target is hard-coded to our internal layout and has all options disabled
		util::xml::file::ptr const root(util::xml::file::create());
		if (!root)
			throw emu_fatalerror("Couldn't create XML document??");
		util::xml::data_node *const layoutnode(root->add_child("mamelayout", nullptr));
		if (!layoutnode)
			throw emu_fatalerror("Couldn't create XML node??");
		layoutnode->set_attribute_int("version", 2);

		for (unsigned i = 0; screen_count > i; ++i)
		{
			util::xml::data_node *const viewnode(layoutnode->add_child("view", nullptr));
			if (!viewnode)
				throw emu_fatalerror("Couldn't create XML node??");
			viewnode->set_attribute("name", util::xml::normalize_string(util::string_format("s%1$u", i).c_str()));
			util::xml::data_node *const screennode(viewnode->add_child("screen", nullptr));
			if (!screennode)
				throw emu_fatalerror("Couldn't create XML node??");
			screennode->set_attribute_int("index", i);
			util::xml::data_node *const boundsnode(screennode->add_child("bounds", nullptr));
			if (!boundsnode)
				throw emu_fatalerror("Couldn't create XML node??");
			boundsnode->set_attribute_int("left", 0);
			boundsnode->set_attribute_int("top", 0);
			boundsnode->set_attribute_int("right", 1);
			boundsnode->set_attribute_int("bottom", 1);
		}

		m_snap_target = machine.render().target_alloc(*root, RENDER_CREATE_SINGLE_FILE | RENDER_CREATE_HIDDEN);
		m_snap_target->set_backdrops_enabled(false);
		m_snap_target->set_overlays_enabled(false);
		m_snap_target->set_bezels_enabled(false);
		m_snap_target->set_cpanels_enabled(false);
		m_snap_target->set_marquees_enabled(false);
		m_snap_target->set_screen_overlay_enabled(false);
		m_snap_target->set_zoom_to_screen(false);
	}
	else
	{
		// otherwise, non-default targets select the specified view and turn off effects
		m_snap_target = machine.render().target_alloc(nullptr, RENDER_CREATE_HIDDEN);
		m_snap_target->set_view(m_snap_target->configured_view(viewname, 0, 1));
		m_snap_target->set_screen_overlay_enabled(false);
	}

	// extract snap resolution if present
	if (sscanf(machine.options().snap_size(), "%dx%d", &m_snap_width, &m_snap_height) != 2)
//.........这里部分代码省略.........