public static T CreateDirect3D11SurfaceFromDXGISurface <T>(IDXGISurface dgxiSurface)
{
CreateDirect3D11SurfaceFromDXGISurface(dgxiSurface, out IntPtr graphicsSurfacePtr).CheckError();
T graphicsSurface = (T)Marshal.GetObjectForIUnknown(graphicsSurfacePtr);
Marshal.Release(graphicsSurfacePtr);
return(graphicsSurface);
}
private ID3D11Texture2D GetHolographicBackBuffer()
{
HolographicSurface = HolographicFrame.GetRenderingParameters(HolographicFrame.CurrentPrediction.CameraPoses[0]).Direct3D11BackBuffer;
using IDXGISurface surface = Direct3DInterop.CreateDXGISurface(HolographicSurface);
ID3D11Texture2D d3DBackBuffer = new ID3D11Texture2D(surface.NativePointer);
PresentationParameters.BackBufferFormat = (PixelFormat)d3DBackBuffer.Description.Format;
PresentationParameters.BackBufferWidth = d3DBackBuffer.Description.Width;
PresentationParameters.BackBufferHeight = d3DBackBuffer.Description.Height;
return(d3DBackBuffer);
}
public static Result CreateDirect3D11SurfaceFromDXGISurface <T>(IDXGISurface dgxiSurface, out T?graphicsSurface)
{
Result result = CreateDirect3D11SurfaceFromDXGISurface(dgxiSurface, out IntPtr graphicsSurfacePtr);
if (result.Failure)
{
graphicsSurface = default;
return(result);
}
graphicsSurface = (T)Marshal.GetObjectForIUnknown(graphicsSurfacePtr);
Marshal.Release(graphicsSurfacePtr);
return(result);
}
internal static IDirect3DSurface CreateDirect3DSurface(IDXGISurface dxgiSurface)
{
Result result = CreateDirect3D11SurfaceFromDXGISurface(dxgiSurface.NativePointer, out IntPtr graphicsSurface);
if (result.Failure)
{
throw new COMException("Surface creation failed.", result.Code);
}
IDirect3DSurface d3DSurface = (IDirect3DSurface)Marshal.GetObjectForIUnknown(graphicsSurface);
Marshal.Release(graphicsSurface);
return(d3DSurface);
}
internal static IDirect3DSurface CreateDirect3DSurface(IDXGISurface dxgiSurface)
{
Result result = CreateDirect3D11SurfaceFromDXGISurface(dxgiSurface.NativePointer, out IntPtr graphicsSurface);
if (result.Failure)
{
throw new InvalidOperationException(result.Code.ToString());
}
IDirect3DSurface d3DSurface = (IDirect3DSurface)Marshal.GetObjectForIUnknown(graphicsSurface);
Marshal.Release(graphicsSurface);
return(d3DSurface);
}
public static void CreateDeviceSwapChainBitmap(
IDXGISwapChain1 swapChain,
ID2D1DeviceContext target)
{
using (IDXGISurface surface = swapChain.GetBuffer <IDXGISurface>(0))
{
var props = new BitmapProperties1
{
BitmapOptions = BitmapOptions.Target | BitmapOptions.CannotDraw,
PixelFormat = new Vortice.DCommon.PixelFormat(Format.B8G8R8A8_UNorm, Vortice.DCommon.AlphaMode.Ignore)
};
using (var bitmap = target.CreateBitmapFromDxgiSurface(surface, props))
{
target.Target = bitmap;
}
}
}
public unsafe Result BeginDraw(RawRect updateRect, out IDXGISurface surface, out Point offset)
{
IntPtr surfacePtr = IntPtr.Zero;
Result result;
fixed(void *offset_ = &offset)
{
result = LocalInterop.CalliStdCallint0(_nativePointer, updateRect, &surfacePtr, offset_, (*(void ***)_nativePointer)[4]);
}
if (result.Failure)
{
surface = default;
offset = default;
return(result);
}
surface = new IDXGISurface(surfacePtr);
return(result);
}
public ID2D1Bitmap CreateSharedBitmap(IDXGISurface surface, BitmapProperties?bitmapProperties)
{
Guard.NotNull(surface, nameof(surface));
return(CreateSharedBitmap(typeof(IDXGISurface).GUID, surface.NativePointer, bitmapProperties));
}
public static ComObject <T> CreateBitmapFromDxgiSurface <T>(this ID2D1DeviceContext device, IDXGISurface surface, D2D1_BITMAP_PROPERTIES1?properties = null) where T : ID2D1Bitmap1
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
if (surface == null)
{
throw new ArgumentNullException(nameof(surface));
}
using (var mem = properties.StructureToMemory())
{
device.CreateBitmapFromDxgiSurface(surface, mem.Pointer, out var bmp).ThrowOnError();
return(new ComObject <T>((T)bmp));
}
}
public static IComObject <T> CreateDxgiSurfaceRenderTarget <T>(this ID2D1Factory1 factory, IDXGISurface surface, D2D1_RENDER_TARGET_PROPERTIES properties) where T : ID2D1RenderTarget
{
if (factory == null)
{
throw new ArgumentNullException(nameof(factory));
}
if (surface == null)
{
throw new ArgumentNullException(nameof(surface));
}
factory.CreateDxgiSurfaceRenderTarget(surface, ref properties, out var target).ThrowOnError();
return(new ComObject <T>((T)target));
}
