private void UpdateBackBuffer()
{
IDirect3DSurface surface = HolographicFrame.GetRenderingParameters(HolographicFrame.CurrentPrediction.CameraPoses[0]).Direct3D11BackBuffer;
IDirect3DDxgiInterfaceAccess surfaceDxgiInterfaceAccess = surface as IDirect3DDxgiInterfaceAccess;
IntPtr resource = surfaceDxgiInterfaceAccess.GetInterface(ID3D11Resource);
if (backBuffer == null || backBuffer.NativeResource.NativePointer != resource)
{
// Clean up references to previous resources.
backBuffer?.Dispose();
LeftEyeBuffer?.Dispose();
RightEyeBuffer?.Dispose();
// This can change every frame as the system moves to the next buffer in the
// swap chain. This mode of operation will occur when certain rendering modes
// are activated.
Texture2D d3DBackBuffer = new Texture2D(resource);
backBuffer = new Texture(GraphicsDevice).InitializeFromImpl(d3DBackBuffer, false);
LeftEyeBuffer = backBuffer.ToTextureView(new TextureViewDescription()
{
ArraySlice = 0, Type = ViewType.Single
});
RightEyeBuffer = backBuffer.ToTextureView(new TextureViewDescription()
{
ArraySlice = 1, Type = ViewType.Single
});
}
Description.BackBufferFormat = backBuffer.Format;
Description.BackBufferWidth = backBuffer.Width;
Description.BackBufferHeight = backBuffer.Height;
}
internal static IDXGISurface CreateDXGISurface(IDirect3DSurface direct3DSurface)
{
IDirect3DDxgiInterfaceAccess dxgiSurfaceInterfaceAccess = (IDirect3DDxgiInterfaceAccess)direct3DSurface;
IntPtr surface = dxgiSurfaceInterfaceAccess.GetInterface(ID3D11Resource);
return(new IDXGISurface(surface));
}
public static IDXGIDevice CreateDXGIDevice(IDirect3DDevice direct3DDevice)
{
IDirect3DDxgiInterfaceAccess dxgiDeviceInterfaceAccess = (IDirect3DDxgiInterfaceAccess)direct3DDevice;
IntPtr device = dxgiDeviceInterfaceAccess.GetInterface(ID3D11Resource);
return(new IDXGIDevice(device));
}
public static IDXGISurface GetDXGISurface(object direct3DSurface)
{
IDirect3DDxgiInterfaceAccess dxgiSurfaceInterfaceAccess = (IDirect3DDxgiInterfaceAccess)direct3DSurface;
return(dxgiSurfaceInterfaceAccess.GetInterface <IDXGISurface>());
}