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);
}
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 */
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);
}
//-----------------------------------------------------------------------------
// CreateD3DDevice
//
// Creates the Direct3D device.
//-----------------------------------------------------------------------------
protected void CreateD3DDevice()
{
IntPtr hwnd = IntPtr.Zero;
IntPtr hMonitor = IntPtr.Zero;
int uAdapterID = 0;
D3DCREATE vp = 0;
D3DCAPS9 ddCaps;
IDirect3DDevice9Ex pDevice = null;
// Hold the lock because we might be discarding an exisiting device.
lock (this)
{
if ((m_pD3D9 == null) || (m_pDeviceManager == null))
{
throw new COMException("D3DPresentEngine::CreateD3DDevice", (int)HResult.MF_E_NOT_INITIALIZED);
}
hwnd = GetDesktopWindow();
// Note: The presenter creates additional swap chains to present the
// video frames. Therefore, it does not use the device's implicit
// swap chain, so the size of the back buffer here is 1 x 1.
D3DPRESENT_PARAMETERS pp = new D3DPRESENT_PARAMETERS();
pp.BackBufferWidth = 1;
pp.BackBufferHeight = 1;
pp.Windowed = true;
pp.SwapEffect = D3DSWAPEFFECT.Copy;
pp.BackBufferFormat = D3DFORMAT.Unknown;
pp.hDeviceWindow = hwnd;
pp.Flags = D3DPRESENTFLAG.Video;
pp.PresentationInterval = D3DPRESENT_INTERVAL.Default;
// Find the monitor for this window.
if (m_hwnd != IntPtr.Zero)
{
hMonitor = MonitorFromWindow(m_hwnd, MonitorFlags.DefaultToNearest);
// Find the corresponding adapter.
FindAdapter(m_pD3D9 as IDirect3D9, hMonitor, out uAdapterID);
}
// Get the device caps for this adapter.
m_pD3D9.GetDeviceCaps(uAdapterID, D3DDEVTYPE.HAL, out ddCaps);
if ((ddCaps.DevCaps & D3DDEVCAPS.HWTRANSFORMANDLIGHT) > 0)
{
vp = D3DCREATE.HardwareVertexProcessing;
}
else
{
vp = D3DCREATE.SoftwareVertexProcessing;
}
// Create the device.
m_pD3D9.CreateDeviceEx(
uAdapterID,
D3DDEVTYPE.HAL,
pp.hDeviceWindow,
vp | D3DCREATE.NoWindowChanges | D3DCREATE.MultiThreaded | D3DCREATE.FPU_PRESERVE,
pp,
null,
out pDevice
);
// Get the adapter display mode.
m_pD3D9.GetAdapterDisplayMode(uAdapterID, out m_DisplayMode);
// Reset the D3DDeviceManager with the new device
m_pDeviceManager.ResetDevice(pDevice, m_DeviceResetToken);
if (m_pDevice != pDevice)
{
SafeRelease(m_pDevice);
m_pDevice = pDevice;
}
//SafeRelease(pDevice);
}
}
