protected override void Present(XnaTime time)
{
var milliseconds = time.ElapsedGameTime.Milliseconds;
_dt = milliseconds / 1000.0f;
_sun.Update(time.ElapsedGameTime);
var device = Graphics.GraphicsDevice;
if (_usePostProcessor)
{
device.SetRenderTarget(0, _tempBuffer);
device.Clear(
options: ClearOptions.Target,
color: Color.TransparentBlack,
depth: 1.0f,
stencil: 0);
_sun.Render();
_postProcessor.ToneMap(_tempBuffer, BackBuffer, _dt, false, true);
device.SetRenderTarget(0, BackBuffer);
}
else
{
device.Clear(
options: ClearOptions.Target,
color: Color.TransparentBlack,
depth: 1.0f,
stencil: 0);
_sun.Render();
}
}
private void Present()
{
var time = _stopwatch.ElapsedMilliseconds;
_dt = (time - _lastTime) / 1000.0f;
_lastTime = time;
if (_lastTime != 0L)
{
_sun.Update(TimeSpan.FromSeconds(_dt));
}
if (_device.GraphicsDeviceStatus != GraphicsDeviceStatus.Normal)
{
while (_device.GraphicsDeviceStatus == GraphicsDeviceStatus.Lost)
{
Thread.Sleep(1);
}
Reset();
return;
}
// Do resize
if (_needResize)
{
_needResize = false;
var backupFrontBuffer = _frontBuffer;
var backupBackBuffer = _backBuffer;
var backupTempBuffer = _tempBuffer;
CreateBuffers();
backupFrontBuffer.Dispose();
backupBackBuffer.Dispose();
backupTempBuffer.Dispose();
return;
}
_device.SetRenderTarget(0, _backBuffer);
Clear();
_sun.Render(this.StarType);
if (_usePostProcessor)
{
_postProcessor.ToneMap(_backBuffer, _tempBuffer, _dt, false, true);
_copySurfaceMethod.Invoke(_device, new object[] { _tempBufferPointer, _frontBufferPointer });
}
else
{
_copySurfaceMethod.Invoke(_device, new object[] { _backBufferPointer, _frontBufferPointer });
}
//_copySurfaceMethod.Invoke(_device, new object[] { _backBufferPointer, _frontBufferPointer });
_device.SetRenderTarget(0, null);
try { _device.Present(); }
catch (DeviceLostException) {}
}