/// <summary>
/// Release the unmanaged resources used by the <see cref="Direct3DSurface"/> and it's child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">True to release managed resources and unmanaged resources. False to only release unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (!disposing)
{
UnloadContent();
Factory2D.Dispose();
FactoryDirectWrite.Dispose();
FactoryDxgi.Dispose();
RenderTargetView.Dispose();
RenderTarget2D.Dispose();
_backBuffer.Dispose();
_swapChain.Dispose();
Context.Dispose();
_device.Dispose();
ProfileStats.Clear();
}
base.Dispose(disposing);
}
/// <summary>
/// Initialize DirectX factories, swap chain and render targets.
/// </summary>
protected void InitGraphics()
{
var width = Size.Width;
var height = Size.Height;
Factory2D = new Factory();
FactoryDirectWrite = new SharpDX.DirectWrite.Factory();
var desc = new SwapChainDescription
{
BufferCount = 1,
ModeDescription = new ModeDescription(width, height, new Rational(60, 1), Format.R8G8B8A8_UNorm),
IsWindowed = true,
OutputHandle = Handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput | Usage.BackBuffer,
};
// use software driver if RDP or VirtualMachine
_driverType = MM_System_Profiling.IsTerminalOrVirtual() ? DriverType.Warp : DriverType.Hardware;
bool swapChainCreated = false;
while (!swapChainCreated)
{
try
{
Device.CreateWithSwapChain(_driverType, DeviceCreationFlags.BgraSupport, desc, out _device, out _swapChain);
MM_System_Interfaces.LogError("Initialized DirectX Driver: {0}", _driverType);
swapChainCreated = true;
}
catch (Exception ex)
{
// downgrade driver and try again using outer while loop
if (_driverType == DriverType.Hardware)
{
_driverType = DriverType.Warp;
}
else if (_driverType == DriverType.Warp)
{
_driverType = DriverType.Software;
}
else
{
MM_System_Interfaces.LogError(ex);
throw new NotSupportedException("DirectX Rendering could not be initialized using hardware of software.", ex);
}
}
}
Context = _device.ImmediateContext;
// Ignore all windows events
FactoryDxgi = _swapChain.GetParent <SharpDX.DXGI.Factory>();
FactoryDxgi.MakeWindowAssociation(Handle, WindowAssociationFlags.IgnoreAll);
// New RenderTargetView from the backbuffer
_backBuffer = Resource.FromSwapChain <Texture2D>(_swapChain, 0);
RenderTargetView = new RenderTargetView(_device, _backBuffer);
DxgiSurface = _backBuffer.QueryInterface <Surface>();
RenderTarget2D = new RenderTarget(Factory2D, DxgiSurface, new RenderTargetProperties(new PixelFormat(Format.Unknown, AlphaMode.Premultiplied)));
RenderTarget2D.AntialiasMode = AntialiasMode;
PresenterReady = true;
}
