public RemoteAccess()
{
var res = Interop.NativeMethods.CLSIDFromProgID("WPFVirtualCameraServer.VirtualCameraServer", out Guid clsid);
if (res != 0)
{
return;
}
var l_IID_IClassFactory = new Guid(Interop.NativeMethods.IID_IClassFactory);
var l_IID_IVirtualCameraServer = typeof(IVirtualCameraServer).GUID;
m_ClassFactoryObj = Interop.NativeMethods.CoGetClassObject(clsid, Interop.NativeMethods.CLSCTX.CLSCTX_LOCAL_SERVER, IntPtr.Zero, l_IID_IClassFactory);
var l_ClassFactory = m_ClassFactoryObj as Interop.NativeMethods.IClassFactory;
if (l_ClassFactory == null)
{
m_ClassFactoryObj = null;
return;
}
IntPtr l_ptr = IntPtr.Zero;
res = l_ClassFactory.CreateInstance(IntPtr.Zero, ref l_IID_IVirtualCameraServer, out l_ptr);
if (res != 0)
{
return;
}
m_IVirtualCameraServer = Marshal.GetObjectForIUnknown(l_ptr) as IVirtualCameraServer;
if (m_IVirtualCameraServer == null)
{
return;
}
var l_sharedHadler = m_IVirtualCameraServer.get_DirectX11TextureHandler(out res);
if (res != 0)
{
return;
}
m_SharedTexture = SharedTexture.createSharedTexture(l_sharedHadler);
if (m_SharedTexture == null)
{
return;
}
TextureDesc = m_SharedTexture.GetDesc();
m_ReadTexture = ReadTexture.cretaeReadTexture(TextureDesc);
}
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
}
if (m_IVirtualCameraServer != null)
{
Marshal.ReleaseComObject(m_IVirtualCameraServer);
}
if (m_ClassFactoryObj != null)
{
Marshal.ReleaseComObject(m_ClassFactoryObj);
}
m_SharedTexture = null;
m_IVirtualCameraServer = null;
m_ClassFactoryObj = null;
disposedValue = true;
}
}
public static SharedTexture createSharedTexture(IntPtr a_sharedHandler)
{
SharedTexture l_resturn = new SharedTexture();
if (a_sharedHandler == IntPtr.Zero)
{
return(l_resturn);
}
l_resturn.m_shared_texture = Direct3D11Device.Instance.Device.CreateTexture2D(a_sharedHandler);
return(l_resturn);
}
public void Read(SharedTexture a_TargetTexture, IntPtr aDest)
{
using (var lImmediateContext = Direct3D11Device.Instance.Device.GetImmediateContext())
{
// Copy image into CPU access texture
lImmediateContext.CopyResource(this.m_read_texture.getD3D11Resource(), a_TargetTexture.getD3D11Resource());
lImmediateContext.Flush();
// Copy from CPU access texture to bitmap buffer
D3D11_MAPPED_SUBRESOURCE resource = new D3D11_MAPPED_SUBRESOURCE();
var subresource = D3D11DeviceContext.D3D11CalcSubresource(0, 0, 0);
var lres = lImmediateContext.Map(this.m_read_texture.getD3D11Resource(), subresource, D3D11DeviceContext.D3D11_MAP_READ_WRITE, 0, resource);
NativeMethods.memcpy(aDest, resource.pData, m_BufferLength);
lImmediateContext.Unmap(this.m_read_texture.getD3D11Resource(), subresource);
}
}
