public static DX11SwapChain FromHandle(DxDevice device, IntPtr handle, Format format, SampleDescription sampledesc)
{
DX11SwapChain swapShain = new DX11SwapChain();
swapShain.device = device;
SwapChainDescription sd = new SwapChainDescription()
{
BufferCount = 2,
ModeDescription = new ModeDescription(0, 0, new Rational(60, 1), format),
IsWindowed = true,
OutputHandle = handle,
SampleDescription = sampledesc,
SwapEffect = SwapEffect.Discard,
Usage = Usage.RenderTargetOutput | Usage.ShaderInput,
Flags = SwapChainFlags.None
};
if (device.IsFeatureLevel11 && sampledesc.Count == 1)
{
sd.Usage |= Usage.UnorderedAccess;
}
swapShain.swapchain = new SwapChain(device.Factory, device.Device, sd);
swapShain.Initialize();
return(swapShain);
}
public static DX11SwapChain FlipSequential(DxDevice device, IntPtr handle, Format format, Rational refreshRate)
{
DX11SwapChain swapShain = new DX11SwapChain();
swapShain.device = device;
SwapChainDescription sd = new SwapChainDescription()
{
BufferCount = 2,
ModeDescription = new ModeDescription(0, 0, refreshRate, format),
IsWindowed = true,
OutputHandle = handle,
SampleDescription = new SampleDescription(1, 0),
SwapEffect = SwapEffect.FlipSequential,
Usage = Usage.RenderTargetOutput,
Flags = SwapChainFlags.None
};
swapShain.swapchain = new SwapChain(device.Factory, device.Device, sd);
swapShain.Initialize();
return(swapShain);
}
public static DX11SwapChain FromComposition(DxDevice dxDevice, int w, int h)
{
DX11SwapChain swapShain = new DX11SwapChain();
swapShain.device = dxDevice;
var desc = new SharpDX.DXGI.SwapChainDescription1()
{
Width = w,
Height = h,
Format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
Stereo = false,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
Usage = SharpDX.DXGI.Usage.BackBuffer | SharpDX.DXGI.Usage.RenderTargetOutput | Usage.ShaderInput,
BufferCount = 2,
Scaling = SharpDX.DXGI.Scaling.None,
SwapEffect = SharpDX.DXGI.SwapEffect.FlipSequential,
AlphaMode = AlphaMode.Premultiplied
};
swapShain.swapchain = new SwapChain1(dxDevice.Factory, dxDevice.Device, ref desc);
swapShain.Initialize();
return(swapShain);
}
