int test_fence_multi_timeline_wait(void)
{
int timelineA, timelineB, timelineC;
int fenceA, fenceB, fenceC, merged;
int valid, active, signaled, ret;
timelineA = sw_sync_timeline_create();
timelineB = sw_sync_timeline_create();
timelineC = sw_sync_timeline_create();
fenceA = sw_sync_fence_create(timelineA, "fenceA", 5);
fenceB = sw_sync_fence_create(timelineB, "fenceB", 5);
fenceC = sw_sync_fence_create(timelineC, "fenceC", 5);
merged = sync_merge("mergeFence", fenceB, fenceA);
merged = sync_merge("mergeFence", fenceC, merged);
valid = sw_sync_fence_is_valid(merged);
ASSERT(valid, "Failure merging fence from various timelines\n");
/* Confirm fence isn't signaled */
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
ASSERT(active == 3, "Fence signaled too early!\n");
ret = sync_wait(merged, 0);
ASSERT(ret == 0,
"Failure waiting on fence until timeout\n");
ret = sw_sync_timeline_inc(timelineA, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 2 && signaled == 1,
"Fence did not signal properly!\n");
ret = sw_sync_timeline_inc(timelineB, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 1 && signaled == 2,
"Fence did not signal properly!\n");
ret = sw_sync_timeline_inc(timelineC, 5);
active = sync_fence_count_with_status(merged, FENCE_STATUS_ACTIVE);
signaled = sync_fence_count_with_status(merged, FENCE_STATUS_SIGNALED);
ASSERT(active == 0 && signaled == 3,
"Fence did not signal properly!\n");
/* confirm you can successfully wait */
ret = sync_wait(merged, 100);
ASSERT(ret > 0, "Failure waiting on signaled fence\n");
sw_sync_fence_destroy(merged);
sw_sync_fence_destroy(fenceC);
sw_sync_fence_destroy(fenceB);
sw_sync_fence_destroy(fenceA);
sw_sync_timeline_destroy(timelineC);
sw_sync_timeline_destroy(timelineB);
sw_sync_timeline_destroy(timelineA);
return 0;
}
int GLWorker::DoComposition(Compositor &compositor, Work *work) {
int ret =
compositor.Composite(work->layers, work->num_layers, work->framebuffer);
int timeline_fd = work->timeline_fd;
work->timeline_fd = -1;
if (ret) {
worker_ret_ = ret;
glFinish();
sw_sync_timeline_inc(timeline_fd, work->num_layers);
close(timeline_fd);
return pthread_cond_signal(&work_done_cond_);
}
unsigned timeline_count = work->num_layers + 1;
worker_ret_ = sw_sync_fence_create(timeline_fd, "GLComposition done fence",
timeline_count);
ret = pthread_cond_signal(&work_done_cond_);
glFinish();
sw_sync_timeline_inc(timeline_fd, timeline_count);
close(timeline_fd);
return ret;
}
static int mpcs_consumer_thread(void)
{
int fence, merged, tmp, valid, it, i;
int *producer_timelines = test_data_mpsc.producer_timelines;
int consumer_timeline = test_data_mpsc.consumer_timeline;
int iterations = test_data_mpsc.iterations;
int n = test_data_mpsc.threads;
for (it = 1; it <= iterations; it++) {
fence = sw_sync_fence_create(producer_timelines[0], "name", it);
for (i = 1; i < n; i++) {
tmp = sw_sync_fence_create(producer_timelines[i],
"name", it);
merged = sync_merge("name", tmp, fence);
sw_sync_fence_destroy(tmp);
sw_sync_fence_destroy(fence);
fence = merged;
}
valid = sw_sync_fence_is_valid(fence);
ASSERT(valid, "Failure merging fences\n");
/*
* Make sure we see an increment from every producer thread.
* Vary the means by which we wait.
*/
if (iterations % 8 != 0) {
ASSERT(sync_wait(fence, -1) > 0,
"Producers did not increment as expected\n");
} else {
ASSERT(busy_wait_on_fence(fence) == 0,
"Producers did not increment as expected\n");
}
ASSERT(test_data_mpsc.counter == n * it,
"Counter value mismatch!\n");
/* Release the producer threads */
ASSERT(sw_sync_timeline_inc(consumer_timeline, 1) == 0,
"Failure releasing producer threads\n");
sw_sync_fence_destroy(fence);
}
return 0;
}
static int mpsc_producer_thread(void *d)
{
int id = (long)d;
int fence, valid, i;
int *producer_timelines = test_data_mpsc.producer_timelines;
int consumer_timeline = test_data_mpsc.consumer_timeline;
int iterations = test_data_mpsc.iterations;
for (i = 0; i < iterations; i++) {
fence = sw_sync_fence_create(consumer_timeline, "fence", i);
valid = sw_sync_fence_is_valid(fence);
ASSERT(valid, "Failure creating fence\n");
/*
* Wait for the consumer to finish. Use alternate
* means of waiting on the fence
*/
if ((iterations + id) % 8 != 0) {
ASSERT(sync_wait(fence, -1) > 0,
"Failure waiting on fence\n");
} else {
ASSERT(busy_wait_on_fence(fence) == 0,
"Failure waiting on fence\n");
}
/*
* Every producer increments the counter, the consumer
* checks and erases it
*/
pthread_mutex_lock(&test_data_mpsc.lock);
test_data_mpsc.counter++;
pthread_mutex_unlock(&test_data_mpsc.lock);
ASSERT(sw_sync_timeline_inc(producer_timelines[id], 1) == 0,
"Error advancing producer timeline\n");
sw_sync_fence_destroy(fence);
}
return 0;
}
int VirtualCompositorWorker::CreateNextTimelineFence() {
++timeline_;
return sw_sync_fence_create(timeline_fd_, "drm_fence", timeline_);
}
