Merge pull request #9942 from libretro/fix_video_filters

Only use threads when the number > 1
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Twinaphex 2020-01-04 16:42:12 +01:00 committed by GitHub
commit c0160095fa
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@ -237,26 +237,28 @@ static bool create_softfilter_graph(rarch_softfilter_t *filt,
}
#ifdef HAVE_THREADS
filt->thread_data = (struct filter_thread_data*)
calloc(threads, sizeof(*filt->thread_data));
if (!filt->thread_data)
return false;
if(filt->threads>1){
filt->thread_data = (struct filter_thread_data*)
calloc(threads, sizeof(*filt->thread_data));
if (!filt->thread_data)
return false;
for (i = 0; i < threads; i++)
{
filt->thread_data[i].userdata = filt->impl_data;
filt->thread_data[i].done = true;
for (i = 0; i < threads; i++)
{
filt->thread_data[i].userdata = filt->impl_data;
filt->thread_data[i].done = true;
filt->thread_data[i].lock = slock_new();
if (!filt->thread_data[i].lock)
return false;
filt->thread_data[i].cond = scond_new();
if (!filt->thread_data[i].cond)
return false;
filt->thread_data[i].thread = sthread_create(
filter_thread_loop, &filt->thread_data[i]);
if (!filt->thread_data[i].thread)
return false;
filt->thread_data[i].lock = slock_new();
if (!filt->thread_data[i].lock)
return false;
filt->thread_data[i].cond = scond_new();
if (!filt->thread_data[i].cond)
return false;
filt->thread_data[i].thread = sthread_create(
filter_thread_loop, &filt->thread_data[i]);
if (!filt->thread_data[i].thread)
return false;
}
}
#endif
@ -475,19 +477,21 @@ void rarch_softfilter_free(rarch_softfilter_t *filt)
#endif
#ifdef HAVE_THREADS
for (i = 0; i < filt->threads; i++)
{
if (!filt->thread_data[i].thread)
continue;
slock_lock(filt->thread_data[i].lock);
filt->thread_data[i].die = true;
scond_signal(filt->thread_data[i].cond);
slock_unlock(filt->thread_data[i].lock);
sthread_join(filt->thread_data[i].thread);
slock_free(filt->thread_data[i].lock);
scond_free(filt->thread_data[i].cond);
if(filt->threads>1){
for (i = 0; i < filt->threads; i++)
{
if (!filt->thread_data[i].thread)
continue;
slock_lock(filt->thread_data[i].lock);
filt->thread_data[i].die = true;
scond_signal(filt->thread_data[i].cond);
slock_unlock(filt->thread_data[i].lock);
sthread_join(filt->thread_data[i].thread);
slock_free(filt->thread_data[i].lock);
scond_free(filt->thread_data[i].cond);
}
free(filt->thread_data);
}
free(filt->thread_data);
#endif
if (filt->conf)
@ -533,29 +537,34 @@ void rarch_softfilter_process(rarch_softfilter_t *filt,
output, output_stride, input, width, height, input_stride);
#ifdef HAVE_THREADS
/* Fire off workers */
for (i = 0; i < filt->threads; i++)
{
if(filt->threads>1){
/* Fire off workers */
for (i = 0; i < filt->threads; i++)
{
#if 0
RARCH_LOG("Firing off filter thread %u ...\n", i);
RARCH_LOG("Firing off filter thread %u ...\n", i);
#endif
filt->thread_data[i].packet = &filt->packets[i];
slock_lock(filt->thread_data[i].lock);
filt->thread_data[i].done = false;
scond_signal(filt->thread_data[i].cond);
slock_unlock(filt->thread_data[i].lock);
}
filt->thread_data[i].packet = &filt->packets[i];
slock_lock(filt->thread_data[i].lock);
filt->thread_data[i].done = false;
scond_signal(filt->thread_data[i].cond);
slock_unlock(filt->thread_data[i].lock);
}
/* Wait for workers */
for (i = 0; i < filt->threads; i++)
{
/* Wait for workers */
for (i = 0; i < filt->threads; i++)
{
#if 0
RARCH_LOG("Waiting for filter thread %u ...\n", i);
RARCH_LOG("Waiting for filter thread %u ...\n", i);
#endif
slock_lock(filt->thread_data[i].lock);
while (!filt->thread_data[i].done)
scond_wait(filt->thread_data[i].cond, filt->thread_data[i].lock);
slock_unlock(filt->thread_data[i].lock);
slock_lock(filt->thread_data[i].lock);
while (!filt->thread_data[i].done)
scond_wait(filt->thread_data[i].cond, filt->thread_data[i].lock);
slock_unlock(filt->thread_data[i].lock);
}
} else {
for (i = 0; i < filt->threads; i++)
filt->packets[i].work(filt->impl_data, filt->packets[i].thread_data);
}
#else
for (i = 0; i < filt->threads; i++)