public Backbuffer(D3D11Device device, Window window)
{
m_swapchain = device.CreateSwapchain(window.WindowHandle);
m_backbuffer = m_swapchain.CreateBitmap();
m_dispatcher.RegisterInterface(typeof(IDrawProcessor), m_backbuffer);
}
public void Initialize()
{
SwapChainDescription scdesc = new SwapChainDescription()
{
BufferCount = 1, IsWindowed = true, Flags = SwapChainFlags.None, ModeDescription = new ModeDescription(Width, Height, new Rational(60, 1), Format.B8G8R8A8_UNorm), OutputHandle = Handle, SampleDescription = new SampleDescription(1, 0), SwapEffect = SwapEffect.Discard, Usage = Usage.RenderTargetOutput
};
DeviceCreationFlags flags = DeviceCreationFlags.BgraSupport;
#if DEBUG
flags |= DeviceCreationFlags.Debug;
#endif
SharpDX.Direct3D11.Device.CreateWithSwapChain(SharpDX.Direct3D.DriverType.Hardware, flags, scdesc, out SharpDX.Direct3D11.Device device, out SwapChain sc);
DXGISwapChain = sc;
D3DDevice = device;
D3DContext = D3DDevice.ImmediateContext;
Backbuffer = DXGISwapChain.GetBackBuffer <Texture2D>(0);
BackbufferRTV = new RenderTargetView(D3DDevice, Backbuffer);
D3DContext.OutputMerger.SetRenderTargets(BackbufferRTV);
Screen.OnCreate();
D3DContext.Rasterizer.SetViewport(new Viewport(0, 0, Width, Height));
Screen.OnCreateBuffers();
watch = new System.Diagnostics.Stopwatch();
watch.Start();
Application.Idle += OnTick;
}
protected override void OnResize(EventArgs e)
{
base.OnResize(e);
if (D3DContext == null)
{
return;
}
if (Width == 0 || Height == 0)
{
return;
}
D3DContext.OutputMerger.SetRenderTargets((RenderTargetView)null);
BackbufferRTV.Dispose();
Backbuffer.Dispose();
Screen.OnDisposeBuffers();
D3DContext.Rasterizer.SetViewport(new Viewport(0, 0, Width, Height));
DXGISwapChain.ResizeBuffers(1, Width, Height, Format.Unknown, SwapChainFlags.None);
Screen.OnResizeBuffers();
Backbuffer = DXGISwapChain.GetBackBuffer <Texture2D>(0);
BackbufferRTV = new RenderTargetView(D3DDevice, Backbuffer);
D3DContext.OutputMerger.SetRenderTargets(BackbufferRTV);
Screen.OnCreateBuffers();
}
public void Destroy()
{
Application.Idle -= OnTick;
Screen.OnDisposeBuffers();
Screen.OnDispose();
BackbufferRTV.Dispose();
D3DDevice.Dispose();
DXGISwapChain.Dispose();
}
public void Dispose()
{
if (m_backbuffer != null)
{
m_backbuffer.Dispose();
m_backbuffer = null;
}
if (m_swapchain != null)
{
m_swapchain.Dispose();
m_swapchain = null;
}
}
