private void OnLost()
{
OnUnload();
if (_renderTarget != null)
{
_renderTarget.Dispose();
_renderTarget = null;
}
if (_swapChain != null)
{
_swapChain.Dispose();
_swapChain = null;
}
}
private void OnAcquireCheck()
{
if (_device == null ||
_renderTarget != null ||
_swapChain != null)
{
return;
}
var d3dpp = (D3DPRESENT_PARAMETERS)_d3dpp;//.Clone();
_size = _window.Size;
d3dpp.hDeviceWindow = _window.Handle;
d3dpp.BackBufferWidth = _size.Width;
d3dpp.BackBufferHeight = _size.Height;
if (_size.Width <= 0 || _size.Height <= 0)
{
return;
}
var failed = false;
try
{
_swapChain = _device.CreateAdditionalSwapChain(ref d3dpp);
_renderTarget = _swapChain.GetBackBuffer(0, D3DBACKBUFFER_TYPE.D3DBACKBUFFER_TYPE_MONO);
//_renderTarget = _device.GetRenderTarget(0);
}
catch (Exception ex)
{
failed = true;
ErrorMessage = string.Format("{0}: {1}", ex.GetType().Name, ex.Message);
throw;
}
finally
{
if (failed)
{
OnLost();
}
}
}
