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);
}
public static ReadTexture cretaeReadTexture(NativeStructs.D3D11_TEXTURE2D_DESC a_TextureDesc)
{
a_TextureDesc.BindFlags = 0;
a_TextureDesc.MiscFlags = 0;
a_TextureDesc.CPUAccessFlags = NativeStructs.D3D11_CPU_ACCESS_READ | NativeStructs.D3D11_CPU_ACCESS_WRITE;;
a_TextureDesc.Usage = NativeStructs.D3D11_USAGE_STAGING;
ReadTexture l_return = new ReadTexture();
l_return.m_read_texture = Direct3D11Device.Instance.Device.CreateTexture2D(a_TextureDesc);
using (var lImmediateContext = Direct3D11Device.Instance.Device.GetImmediateContext())
{
D3D11_MAPPED_SUBRESOURCE resource = new D3D11_MAPPED_SUBRESOURCE();
var subresource = D3D11DeviceContext.D3D11CalcSubresource(0, 0, 0);
var lres = lImmediateContext.Map(l_return.m_read_texture.getD3D11Resource(), subresource, D3D11DeviceContext.D3D11_MAP_READ_WRITE, 0, resource);
l_return.m_BufferLength = resource.RowPitch * a_TextureDesc.Height;
lImmediateContext.Unmap(l_return.m_read_texture.getD3D11Resource(), subresource);
}
return(l_return);
}
