/// <summary>
/// Sets the render target of this D3DImage object.
/// </summary>
/// <param name="renderTarget">The render target to set.</param>
public void SetRenderTarget(D3D11.Texture2D renderTarget)
{
if (this.m_d3dRenderTarget != null)
{
this.m_d3dRenderTarget = null;
base.Lock();
base.SetBackBuffer(D3DResourceType.IDirect3DSurface9, IntPtr.Zero);
base.Unlock();
}
if (renderTarget == null)
{
return;
}
if (!IsShareable(renderTarget))
{
throw new ArgumentException("Texture must be created with ResourceOptionFlags.Shared");
}
D3D9.Format format = HigherD3DImageSource.TranslateFormat(renderTarget);
if (format == D3D9.Format.Unknown)
{
throw new ArgumentException("Texture format is not compatible with OpenSharedResource");
}
IntPtr handle = GetSharedHandle(renderTarget);
if (handle == IntPtr.Zero)
{
throw new ArgumentNullException("Handle");
}
//Map the texture to the D3DImage base class
bool tDisposed = renderTarget.IsDisposed;
float tWidth = renderTarget.Description.Width;
float tHeight = renderTarget.Description.Height;
this.m_d3dRenderTarget = new D3D9.Texture(
m_d3dDevice,
renderTarget.Description.Width,
renderTarget.Description.Height,
1, D3D9.Usage.RenderTarget, format, D3D9.Pool.Default, ref handle);
using (D3D9.Surface surface = this.m_d3dRenderTarget.GetSurfaceLevel(0))
{
base.Lock();
base.SetBackBuffer(D3DResourceType.IDirect3DSurface9, surface.NativePointer);
base.Unlock();
}
}
