private IntPtr ResetImpl(IntPtr device, PresentParameters *presentParameters)
{
// With multi-viewports, ImGui might call EndScene again; so we need to prevent stack overflow here.
if (_resetRecursionLock)
{
Debug.WriteLine($"[DX9 Reset] Discarding via Recursion Lock");
return(_endSceneHook.OriginalFunction.Value.Invoke(device));
}
_resetRecursionLock = true;
try
{
// Ignore windows which don't belong to us.
if (!ImguiHook.CheckWindowHandle(presentParameters->DeviceWindowHandle))
{
Debug.WriteLine($"[DX9 Reset] Discarding Window Handle {(long)presentParameters->DeviceWindowHandle:X}");
return(_resetHook.OriginalFunction.Value.Invoke(device, presentParameters));
}
Debug.WriteLine($"[DX9 Reset] Reset with Handle {(long)presentParameters->DeviceWindowHandle:X}");
ImGui.ImGuiImplDX9InvalidateDeviceObjects();
var result = _resetHook.OriginalFunction.Value.Invoke(device, presentParameters);
ImGui.ImGuiImplDX9CreateDeviceObjects();
return(result);
}
finally
{
_resetRecursionLock = false;
}
}
/// <summary>To be documented.</summary>
public readonly unsafe int GetPresentParameters(PresentParameters *pPresentationParameters)
{
var @this = (IDirect3DSwapChain9 *)Unsafe.AsPointer(ref Unsafe.AsRef(in this));
int ret = default;
ret = ((delegate * unmanaged[Cdecl] < IDirect3DSwapChain9 *, PresentParameters *, int >)LpVtbl[9])(@this, pPresentationParameters);
return(ret);
}
public static IntPtr CreateDevice(IntPtr ptr, int adapter, DeviceType deviceType, IntPtr hFocusWindow,
CreateFlags behaviorFlags, PresentParameters *presentParams)
{
IntPtr devicePtr = IntPtr.Zero;
int res = Interop.Calli(ptr, adapter, (int)deviceType, hFocusWindow, (int)behaviorFlags, (IntPtr)presentParams,
(IntPtr)(void *)&devicePtr, (*(IntPtr **)ptr)[16]);
if (res < 0)
{
throw new SharpDXException(res);
}
return(devicePtr);
}
public static int Reset(IntPtr ptr, PresentParameters *presentParams)
{
return(Interop.Calli(ptr, (IntPtr)presentParams, (*(IntPtr **)ptr)[16]));
}
/// <summary>To be documented.</summary>
public readonly unsafe int CreateDevice(uint Adapter, Devtype DeviceType, nint hFocusWindow, uint BehaviorFlags, PresentParameters *pPresentationParameters, ref IDirect3DDevice9 *ppReturnedDeviceInterface)
{
var @this = (IDirect3D9 *)Unsafe.AsPointer(ref Unsafe.AsRef(in this));
int ret = default;
fixed(IDirect3DDevice9 **ppReturnedDeviceInterfacePtr = &ppReturnedDeviceInterface)
{
ret = ((delegate * unmanaged[Cdecl] < IDirect3D9 *, uint, Devtype, nint, uint, PresentParameters *, IDirect3DDevice9 **, int >)LpVtbl[16])(@this, Adapter, DeviceType, hFocusWindow, BehaviorFlags, pPresentationParameters, ppReturnedDeviceInterfacePtr);
}
return(ret);
}
private static IntPtr ResetImplStatic(IntPtr device, PresentParameters *presentParameters) => Instance.ResetImpl(device, presentParameters);
