private void WaitForGpu()
{
// Schedule a Signal command in the queue.
_graphicsDevice.CommandQueue.DeviceCommandQueue.Signal(_fence, _fenceValues[_frameIndex]);
// Wait until the fence has been crossed.
_fence.SetEventOnCompletion(
_fenceValues[_frameIndex],
_fenceEvent.GetSafeWaitHandle().DangerousGetHandle());
_fenceEvent.WaitOne();
// Increment the fence value for the current frame.
_fenceValues[_frameIndex]++;
}
private void DeleteEvent()
{
try
{
if (_waitHandle != null)
{
var waitHandleSafeWaitHandle = _waitHandle.GetSafeWaitHandle();
waitHandleSafeWaitHandle.DangerousRelease();
}
}
catch { }
}
private void WaitForPrevFrame()
{
// WAITING FOR THE FRAME TO COMPLETE BEFORE CONTINUING IS NOT BEST PRACTICE.
// This is code implemented as such for simplicity.
long localFence = currentFence;
commandQueue.Signal(fence, localFence);
currentFence++;
if (fence.CompletedValue < localFence)
{
fence.SetEventOnCompletion(localFence, eventHandle.GetSafeWaitHandle().DangerousGetHandle());
eventHandle.WaitOne();
}
}
