/// <summary>
/// Process the queue until the given program has finished compiling.
/// This will begin compilation of other programs on the queue as well.
/// </summary>
/// <param name="program">The program to wait for</param>
public void WaitForProgram(ThreadedProgram program)
{
Span <SpinWait> spinWait = stackalloc SpinWait[1];
while (!program.Compiled)
{
ProcessQueue();
if (!program.Compiled)
{
spinWait[0].SpinOnce(-1);
}
}
}
public void ProcessQueue()
{
for (int i = 0; i < _inProgress.Count; i++)
{
ThreadedProgram program = _inProgress[i];
ProgramLinkStatus status = program.Base.CheckProgramLink(false);
if (status != ProgramLinkStatus.Incomplete)
{
program.Compiled = true;
_inProgress.RemoveAt(i--);
}
}
int freeSpace = MaxConcurrentCompilations - _inProgress.Count;
for (int i = 0; i < freeSpace; i++)
{
// Begin compilation of some programs in the compile queue.
IProgramRequest program;
lock (_toCompile)
{
if (!_toCompile.TryDequeue(out program))
{
break;
}
}
if (program.Threaded.Base != null)
{
ProgramLinkStatus status = program.Threaded.Base.CheckProgramLink(false);
if (status != ProgramLinkStatus.Incomplete)
{
// This program is already compiled. Keep going through the queue.
program.Threaded.Compiled = true;
i--;
continue;
}
}
else
{
program.Threaded.Base = program.Create(_renderer);
}
_inProgress.Add(program.Threaded);
}
}
