int sdl_window_info::window_init()
{
worker_param *wp = (worker_param *) osd_malloc(sizeof(worker_param));
int result;
ASSERT_MAIN_THREAD();
// set the initial maximized state
// FIXME: Does not belong here
sdl_options &options = downcast<sdl_options &>(m_machine.options());
m_startmaximized = options.maximize();
// add us to the list
*last_window_ptr = this;
last_window_ptr = &this->m_next;
set_renderer(draw.create(this));
// create an event that we can use to skip blitting
m_rendered_event = osd_event_alloc(FALSE, TRUE);
// load the layout
m_target = m_machine.render().target_alloc();
// set the specific view
set_starting_view(m_index, options.view(), options.view(m_index));
// make the window title
if (video_config.numscreens == 1)
sprintf(m_title, "%s: %s [%s]", emulator_info::get_appname(), m_machine.system().description, m_machine.system().name);
else
sprintf(m_title, "%s: %s [%s] - Screen %d", emulator_info::get_appname(), m_machine.system().description, m_machine.system().name, m_index);
wp->set_window(this);
// FIXME: pass error back in a different way
if (multithreading_enabled)
{
osd_work_item *wi;
wi = osd_work_item_queue(work_queue, &sdl_window_info::complete_create_wt, (void *) wp, 0);
sdlwindow_sync();
result = *((int *) (osd_work_item_result)(wi));
osd_work_item_release(wi);
}
else
result = *((int *) sdl_window_info::complete_create_wt((void *) wp, 0));
// handle error conditions
if (result == 1)
goto error;
return 0;
error:
destroy();
return 1;
}
static void worker_thread_process(osd_work_queue *queue, work_thread_info *thread)
{
int threadid = thread - queue->thread;
begin_timing(thread->runtime);
// loop until everything is processed
while (true)
{
osd_work_item *item = NULL;
bool end_loop = false;
// use a critical section to synchronize the removal of items
{
INT32 lockslot = osd_scalable_lock_acquire(queue->lock);
if (queue->list == NULL)
{
end_loop = true;
}
else
{
// pull the item from the queue
item = (osd_work_item *)queue->list;
if (item != NULL)
{
queue->list = item->next;
if (queue->list == NULL)
queue->tailptr = (osd_work_item **)&queue->list;
}
}
osd_scalable_lock_release(queue->lock, lockslot);
}
if (end_loop)
break;
// process non-NULL items
if (item != NULL)
{
// call the callback and stash the result
begin_timing(thread->actruntime);
item->result = (*item->callback)(item->param, threadid);
end_timing(thread->actruntime);
// decrement the item count after we are done
atomic_decrement32(&queue->items);
atomic_exchange32(&item->done, TRUE);
add_to_stat(&thread->itemsdone, 1);
// if it's an auto-release item, release it
if (item->flags & WORK_ITEM_FLAG_AUTO_RELEASE)
osd_work_item_release(item);
// set the result and signal the event
else
{
INT32 lockslot = osd_scalable_lock_acquire(item->queue->lock);
if (item->event != NULL)
{
osd_event_set(item->event);
add_to_stat(&item->queue->setevents, 1);
}
osd_scalable_lock_release(item->queue->lock, lockslot);
}
// if we removed an item and there's still work to do, bump the stats
if (queue_has_list_items(queue))
add_to_stat(&queue->extraitems, 1);
}
}
// we don't need to set the doneevent for multi queues because they spin
if (queue->waiting)
{
osd_event_set(queue->doneevent);
add_to_stat(&queue->setevents, 1);
}
end_timing(thread->runtime);
}
int sdlwindow_video_window_create(running_machine &machine, int index, sdl_monitor_info *monitor, const sdl_window_config *config)
{
sdl_window_info *window;
worker_param *wp = (worker_param *) osd_malloc(sizeof(worker_param));
int result;
ASSERT_MAIN_THREAD();
clear_worker_param(wp);
// allocate a new window object
window = global_alloc_clear(sdl_window_info);
window->maxwidth = config->width;
window->maxheight = config->height;
window->depth = config->depth;
window->refresh = config->refresh;
window->monitor = monitor;
window->m_machine = &machine;
window->index = index;
//FIXME: these should be per_window in config-> or even better a bit set
window->fullscreen = !video_config.windowed;
window->prescale = video_config.prescale;
// set the initial maximized state
// FIXME: Does not belong here
sdl_options &options = downcast<sdl_options &>(machine.options());
window->startmaximized = options.maximize();
if (!window->fullscreen)
{
window->windowed_width = config->width;
window->windowed_height = config->height;
}
window->totalColors = config->totalColors;
// add us to the list
*last_window_ptr = window;
last_window_ptr = &window->next;
draw.attach(&draw, window);
// create an event that we can use to skip blitting
window->rendered_event = osd_event_alloc(FALSE, TRUE);
// load the layout
window->target = machine.render().target_alloc();
// set the specific view
set_starting_view(machine, index, window, options.view(), options.view(index));
// make the window title
if (video_config.numscreens == 1)
sprintf(window->title, "%s: %s [%s]", emulator_info::get_appname(), machine.system().description, machine.system().name);
else
sprintf(window->title, "%s: %s [%s] - Screen %d", emulator_info::get_appname(), machine.system().description, machine.system().name, index);
wp->window = window;
if (multithreading_enabled)
{
osd_work_item *wi;
wi = osd_work_item_queue(work_queue, &complete_create_wt, (void *) wp, 0);
sdlwindow_sync();
result = *((int *) (osd_work_item_result)(wi));
osd_work_item_release(wi);
}
else
result = *((int *) complete_create_wt((void *) wp, 0));
// handle error conditions
if (result == 1)
goto error;
return 0;
error:
sdlwindow_video_window_destroy(machine, window);
return 1;
}
static void worker_thread_process(osd_work_queue *queue, work_thread_info *thread)
{
int threadid = thread->id;
begin_timing(thread->runtime);
// loop until everything is processed
while (true)
{
osd_work_item *item = nullptr;
bool end_loop = false;
// use a critical section to synchronize the removal of items
{
std::lock_guard<std::mutex> lock(queue->lock);
if (queue->list.load() == nullptr)
{
end_loop = true;
}
else
{
// pull the item from the queue
item = (osd_work_item *)queue->list;
if (item != nullptr)
{
queue->list = item->next;
if (queue->list.load() == nullptr)
queue->tailptr = (osd_work_item **)&queue->list;
}
}
}
if (end_loop)
break;
// process non-NULL items
if (item != nullptr)
{
// call the callback and stash the result
begin_timing(thread->actruntime);
item->result = (*item->callback)(item->param, threadid);
end_timing(thread->actruntime);
// decrement the item count after we are done
--queue->items;
item->done = TRUE;
add_to_stat(thread->itemsdone, 1);
// if it's an auto-release item, release it
if (item->flags & WORK_ITEM_FLAG_AUTO_RELEASE)
osd_work_item_release(item);
// set the result and signal the event
else
{
std::lock_guard<std::mutex> lock(queue->lock);
if (item->event != nullptr)
{
item->event->set();
add_to_stat(item->queue.setevents, 1);
}
}
// if we removed an item and there's still work to do, bump the stats
if (queue_has_list_items(queue))
add_to_stat(queue->extraitems, 1);
}
}
// we don't need to set the doneevent for multi queues because they spin
if (queue->waiting)
{
queue->doneevent.set();
add_to_stat(queue->setevents, 1);
}
end_timing(thread->runtime);
}
int sdlwindow_video_window_create(running_machine *machine, int index, sdl_monitor_info *monitor, const sdl_window_config *config)
{
sdl_window_info *window;
worker_param *wp = malloc(sizeof(worker_param));
char option[20];
int result;
ASSERT_MAIN_THREAD();
clear_worker_param(wp);
// allocate a new window object
window = alloc_or_die(sdl_window_info);
memset(window, 0, sizeof(*window));
window->maxwidth = config->width;
window->maxheight = config->height;
window->depth = config->depth;
window->refresh = config->refresh;
window->monitor = monitor;
window->machine = machine;
window->index = index;
//FIXME: these should be per_window in config-> or even better a bit set
window->fullscreen = !video_config.windowed;
window->prescale = video_config.prescale;
window->prescale_effect = video_config.prescale_effect;
window->scale_mode = video_config.scale_mode;
// set the initial maximized state
// FIXME: Does not belong here
window->startmaximized = options_get_bool(mame_options(), SDLOPTION_MAXIMIZE);
if (!window->fullscreen)
{
window->windowed_width = config->width;
window->windowed_height = config->height;
}
window->totalColors = config->totalColors;
// add us to the list
*last_window_ptr = window;
last_window_ptr = &window->next;
draw.attach(&draw, window);
// create an event that we can use to skip blitting
window->rendered_event = osd_event_alloc(FALSE, TRUE);
// load the layout
window->target = render_target_alloc(machine, NULL, FALSE);
if (window->target == NULL)
goto error;
// set the specific view
sprintf(option, SDLOPTION_VIEW("%d"), index);
set_starting_view(machine, index, window, options_get_string(mame_options(), option));
// make the window title
if (video_config.numscreens == 1)
sprintf(window->title, APPNAME ": %s [%s]", machine->gamedrv->description, machine->gamedrv->name);
else
sprintf(window->title, APPNAME ": %s [%s] - Screen %d", machine->gamedrv->description, machine->gamedrv->name, index);
wp->window = window;
if (multithreading_enabled)
{
osd_work_item *wi;
wi = osd_work_item_queue(work_queue, &complete_create_wt, (void *) wp, 0);
sdlwindow_sync();
result = *((int *) (osd_work_item_result)(wi));
osd_work_item_release(wi);
}
else
result = *((int *) complete_create_wt((void *) wp, 0));
// handle error conditions
if (result == 1)
goto error;
return 0;
error:
sdlwindow_video_window_destroy(machine, window);
return 1;
}
