private static void CreateDevice()
{
if (_device != null)
{
return;
}
var param = new D3DPRESENT_PARAMETERS
{
Windowed = 1,
Flags = ((short)D3DPRESENTFLAG.D3DPRESENTFLAG_VIDEO),
BackBufferFormat = D3DFORMAT.D3DFMT_X8R8G8B8,
SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_COPY
};
/* The COM pointer to our D3D Device */
IntPtr dev;
_d3dEx.CreateDeviceEx(0, D3DDEVTYPE.D3DDEVTYPE_HAL, _hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, IntPtr.Zero, out dev);
_device = (IDirect3DDevice9)Marshal.GetObjectForIUnknown(dev);
Marshal.Release(dev);
}
private void CreateDevice()
{
if (m_device != null)
{
return;
}
var param = new D3DPRESENT_PARAMETERS
{
Windowed = 1,
Flags = ((short)D3DPRESENTFLAG.D3DPRESENTFLAG_VIDEO),
BackBufferFormat = D3DFORMAT.D3DFMT_X8R8G8B8,
SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_COPY
};
/* The COM pointer to our D3D Device */
IntPtr dev;
/* Windows Vista runs much more performant with the IDirect3DDevice9Ex */
if (IsVistaOrBetter)
{
m_d3dEx.CreateDeviceEx(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, IntPtr.Zero, out dev);
}
else/* Windows XP */
{
m_d3d.CreateDevice(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, out dev);
}
m_device = (IDirect3DDevice9)Marshal.GetObjectForIUnknown(dev);
Marshal.Release(dev);
}
public DwmCapture(IntPtr hWnd)
{
_captureHwnd = hWnd;
#region Initialise the Direct3D device
int adapterOrdinal = 0;
_d3dEx = new Direct3DEx();
_adapterLuid = _d3dEx.GetAdapterLuid(adapterOrdinal);
var presentParams = new PresentParameters
{
PresentFlags = PresentFlags.LockableBackBuffer,
Windowed = true,
BackBufferFormat = Format.A8R8G8B8,
SwapEffect = SwapEffect.Flip
};
_deviceEx = new DeviceEx(_d3dEx, adapterOrdinal, DeviceType.Hardware, _captureHwnd, SlimDX.Direct3D9.CreateFlags.Multithreaded | SlimDX.Direct3D9.CreateFlags.SoftwareVertexProcessing, presentParams);
#endregion
#region Setup the shared surface (using DWM)
uint format = 0;
IntPtr pSharedHandle = IntPtr.Zero;
int hr = NativeMethods.GetSharedSurface(_captureHwnd, _adapterLuid, 0, 0, ref format, out pSharedHandle, 0);
NativeMethods.UpdateWindowShared(_captureHwnd, 0, 0, 0, IntPtr.Zero, IntPtr.Zero);
RECT winRect;
NativeMethods.GetWindowRect(_captureHwnd, out winRect);
Size size = new Size(winRect.Right - winRect.Left, winRect.Bottom - winRect.Top);
/* Hack because SlimDX does not let you specify a shared handle for creating shared resources we
* have to create an IDirect3DDevice9 reference to the device instead */
IDirect3DDevice9 devEx = (IDirect3DDevice9)Marshal.GetObjectForIUnknown(_deviceEx.ComPointer);
IntPtr pTexture;
devEx.CreateTexture((int)size.Width, (int)size.Height, 1, 1, format, 0, out pTexture, ref pSharedHandle);
Texture texture = Texture.FromPointer(pTexture);
_sharedSurface = texture.GetSurfaceLevel(0);
_renderTarget = Surface.CreateRenderTarget(_deviceEx, (int)size.Width, (int)size.Height, Format.X8R8G8B8,
MultisampleType.None, 0, false);
_deviceEx.SetRenderTarget(0, _renderTarget);
Surface.FromSurface(_renderTarget, _sharedSurface, Filter.None, 0);
_systemMemorySurface = Surface.CreateOffscreenPlain(_deviceEx, (int)size.Width, (int)size.Height,
Format.X8R8G8B8, Pool.SystemMemory);
#endregion
}
private void CreateDevice()
{
if (m_device != null)
{
return;
}
var param = new D3DPRESENT_PARAMETERS
{
Windowed = 1,
Flags = ((short)D3DPRESENTFLAG.D3DPRESENTFLAG_VIDEO),
BackBufferFormat = D3DFORMAT.D3DFMT_X8R8G8B8,
SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_COPY
};
/* The COM pointer to our D3D Device */
IntPtr dev;
/* Windows Vista runs much more performant with the IDirect3DDevice9Ex */
int hr = 0;
if (m_d3dEx != null)
{
hr = m_d3dEx.CreateDeviceEx(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, IntPtr.Zero, out dev);
}
else/* Windows XP */
{
hr = m_d3d.CreateDevice(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, out dev);
}
if (dev == IntPtr.Zero)
{
throw new WPFMediaKitException($"Cannot create D3D device ({hr:X}). Do you have D3D acceleration enabled for your graphics card?");
}
m_device = (IDirect3DDevice9)Marshal.GetObjectForIUnknown(dev);
Marshal.Release(dev);
}
/// <summary>
/// Part of the dispose pattern
/// </summary>
protected virtual void Dispose(bool disposing)
{
//if (m_disposed) return;
if (disposing)
{
InvokeNewSurfaceEvent(IntPtr.Zero);
/* Pass a dummy cookie to TerminateDevice */
TerminateDevice(IntPtr.Zero);
if (m_allocatorNotify != null)
{
Marshal.FinalReleaseComObject(m_allocatorNotify);
m_allocatorNotify = null;
}
if (m_d3d != null)
{
Marshal.FinalReleaseComObject(m_d3d);
m_d3d = null;
}
if (m_d3dEx != null)
{
Marshal.FinalReleaseComObject(m_d3dEx);
m_d3dEx = null;
}
if (m_device != null)
{
Marshal.FinalReleaseComObject(m_device);
m_device = null;
}
}
m_disposed = true;
}
private void CreateDevice()
{
if (m_device != null)
return;
var param = new D3DPRESENT_PARAMETERS
{
Windowed = 1,
Flags = ((short)D3DPRESENTFLAG.D3DPRESENTFLAG_VIDEO),
BackBufferFormat = D3DFORMAT.D3DFMT_X8R8G8B8,
SwapEffect = D3DSWAPEFFECT.D3DSWAPEFFECT_COPY
};
/* The COM pointer to our D3D Device */
IntPtr dev;
/* Windows Vista runs much more performant with the IDirect3DDevice9Ex */
if (IsVistaOrBetter)
{
m_d3dEx.CreateDeviceEx(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, IntPtr.Zero, out dev);
}
else/* Windows XP */
{
m_d3d.CreateDevice(0, D3DDEVTYPE.D3DDEVTYPE_HAL, m_hWnd,
CreateFlags.D3DCREATE_SOFTWARE_VERTEXPROCESSING | CreateFlags.D3DCREATE_MULTITHREADED,
ref param, out dev);
}
m_device = (IDirect3DDevice9)Marshal.GetObjectForIUnknown(dev);
Marshal.Release(dev);
}
/// <summary>
/// Part of the dispose pattern
/// </summary>
protected virtual void Dispose(bool disposing)
{
//if (m_disposed) return;
if (disposing)
{
InvokeNewSurfaceEvent(IntPtr.Zero);
/* Pass a dummy cookie to TerminateDevice */
TerminateDevice(IntPtr.Zero);
if (m_allocatorNotify != null)
{
Marshal.FinalReleaseComObject(m_allocatorNotify);
m_allocatorNotify = null;
}
if (m_d3d != null)
{
Marshal.FinalReleaseComObject(m_d3d);
m_d3d = null;
}
if (m_d3dEx != null)
{
Marshal.FinalReleaseComObject(m_d3dEx);
m_d3dEx = null;
}
if (m_device != null)
{
Marshal.FinalReleaseComObject(m_device);
m_device = null;
}
}
m_disposed = true;
}
public static extern Win32.HRESULT GetPhysicalMonitorsFromIDirect3DDevice9([In] ref IDirect3DDevice9 pDirect3DDevice9, [In] UInt32 dwPhysicalMonitorArraySize, [Out] PHYSICAL_MONITOR[] pPhysicalMonitorArray);
public static extern Win32.HRESULT GetNumberOfPhysicalMonitorsFromIDirect3DDevice9([In] ref IDirect3DDevice9 pDirect3DDevice9, [Out] out UInt32 pdwNumberOfPhysicalMonitors);
