private bool NonBlockingWait()
{
// only on the first time
ClientWaitSyncFlags waitOption = ClientWaitSyncFlags.SyncFlushCommandsBit;
WaitSyncStatus result = GL.ClientWaitSync(ObjectPtr, waitOption, 0);
waitOption = ClientWaitSyncFlags.None;
if (result == WaitSyncStatus.WaitFailed)
{
throw new InvalidOperationException("GPU NonBlockingWait sync failed - surplus actions incomplete");
}
return(!(result == WaitSyncStatus.ConditionSatisfied || result == WaitSyncStatus.AlreadySignaled));
}
/// <summary>
/// Wait for fence
/// </summary>
/// <param name="flags">Only None or SyncFlushCommandsBit</param>
/// <param name="timeout">In nanoseconds!</param>
/// <returns>Wait state (AlreadySignalled (pre signalled),Expired (timeout),Satisfied (signalled during timeout), Failed)</returns>
public WaitSyncStatus ClientWait(ClientWaitSyncFlags flags, int timeout)
{
var status = GL.ClientWaitSync(Id, flags, timeout);
return(status);
}
/// <inheritdoc cref="GLOFC.GL4.GLFenceSync.GLWait"/>
public WaitSyncStatus ClientWait(ClientWaitSyncFlags flags, int timeout)
{
return(Sync.ClientWait(flags, timeout));
}
public void BeginSync()
{
ObjectPtr = GL.FenceSync(SyncCondition.SyncGpuCommandsComplete, 0);
IsSignalled = false;
mWaitOption = ClientWaitSyncFlags.SyncFlushCommandsBit;
}
