public Direct3D11Base(Form form,
SwapChainDescription swapDesc,
Adapter adapter = null,
DriverType type = DriverType.Hardware,
DeviceCreationFlags flags = DeviceCreationFlags.None,
FeatureLevel[] levels = null)
{
IsDisposed = false;
try
{
_isInitializing = true;
_form = form;
_isComposited = DwmApi.IsCompositionEnabled;
if (_isComposited)
{
DwmApi.EnableMMCSS(true);
DwmPresentParameters present = new DwmPresentParameters()
{
IsQueued = true,
BufferCount = 2,
RefreshesPerFrame = 1,
};
DwmApi.SetPresentParameters(form.Handle, ref present);
}
if (swapDesc.OutputHandle != IntPtr.Zero) { throw new ArgumentException("Output handle must not be set."); }
if (swapDesc.Usage != Usage.RenderTargetOutput) { throw new ArgumentException("Usage must be RenderTargetOutput."); }
swapDesc.OutputHandle = _form.Handle;
bool setFullscreen = !swapDesc.IsWindowed;
swapDesc.IsWindowed = true;
Device.CreateWithSwapChain(adapter, type, DeviceCreationFlags.None, levels, swapDesc, out _device, out _swapChain);
_swapChain.ResizeTarget(swapDesc.ModeDescription);
_factory = _swapChain.GetParent<Factory>();
_factory.SetWindowAssociation(_form.Handle, WindowAssociationFlags.IgnoreAll);
_form.SizeChanged += SizeChanged_Handler;
_form.ResizeBegin += ResizeBegin_Handler;
_form.Resize += Resize_Handler;
_form.ResizeEnd += ResizeEnd_Handler;
_form.KeyDown += KeyDown_Handler;
if (setFullscreen)
{
ChangeMode(true);
}
_isInitializing = false;
}
catch
{
Dispose();
throw;
}
}
static extern IntPtr DwmSetPresentParameters(IntPtr hwnd, ref DwmPresentParameters parameters);
public static void SetPresentParameters(IntPtr hwnd, ref DwmPresentParameters parameters)
{
parameters.Size = (uint)Marshal.SizeOf(parameters);
Marshal.ThrowExceptionForHR((int)DwmSetPresentParameters(hwnd, ref parameters));
}
