private RenderTarget2D CreateRenderTarget()
{
var actualWidth = (int)ActualWidth;
var actualHeight = (int)ActualHeight;
if (actualWidth == 0 || actualHeight == 0)
{
return(null);
}
if (GraphicsDevice == null)
{
return(null);
}
var renderTarget = new RenderTarget2D(GraphicsDevice, actualWidth, actualHeight, false,
SurfaceFormat.Bgra32, DepthFormat.Depth24Stencil8, 1, RenderTargetUsage.PlatformContents, true);
var handle = renderTarget.GetSharedHandle();
if (handle == IntPtr.Zero)
{
throw new ArgumentException("Handle could not be retrieved");
}
_renderTargetD3D9 = new SharpDX.Direct3D9.Texture(_graphicsDeviceService.Direct3DDevice, renderTarget.Width,
renderTarget.Height, 1, SharpDX.Direct3D9.Usage.RenderTarget, SharpDX.Direct3D9.Format.A8R8G8B8,
SharpDX.Direct3D9.Pool.Default, ref handle);
using (var surface = _renderTargetD3D9.GetSurfaceLevel(0)) {
_direct3DImage.Lock();
_direct3DImage.SetBackBuffer(D3DResourceType.IDirect3DSurface9, surface.NativePointer);
_direct3DImage.Unlock();
}
return(renderTarget);
}
public void GetSharedHandle()
{
var rt = new RenderTarget2D(gd, 16, 16, false, SurfaceFormat.Color, DepthFormat.None, 0, RenderTargetUsage.PlatformContents, true);
var sharedHandle = rt.GetSharedHandle();
Assert.AreNotEqual(sharedHandle, IntPtr.Zero);
var resource = SharpDX.CppObject.FromPointer <SharpDX.DXGI.Resource>(sharedHandle);
rt.Dispose();
}