public bool IsDeviceStateOk()
{
if (device != null)
{
var state = device.CheckDeviceState(IntPtr.Zero);
return(state == DeviceState.Ok);
}
return(false);
}
/// <summary>
/// Calls <see cref="DeviceEx.CheckDeviceState"/> on the DX device and returns its result.
/// </summary>
internal static DeviceState CheckDeviceState()
{
return(_device.CheckDeviceState(_setup.RenderTarget.Handle));
}
public DeviceState CheckDeviceState()
{
DeviceEx ex = new DeviceEx(_device.NativePointer);
return(ex.CheckDeviceState(_formHandle));
}
private void OpenSharedResourceIfNeeded(DirectXResource res)
{
try
{
bool reinit = false;
_occludedCounter++;
if (_occludedCounter % 1 == 0) // every 200 ms
{
var state = _device?.CheckDeviceState(_windowHandle) ?? DeviceState.Ok;
bool occludedState = state == DeviceState.PresentOccluded; // happens when windows is locked; then we could get black screen in preview d3dImage
reinit = _occludedState && !occludedState; // reinit if change from bad -> good
if (reinit)
{
Core.LogInfo("occluded -> normal");
if (_windowStateManager.IsMinimized())
{
_windowStateManager.IsMinimizedChanged += OnwindowStateManagerIsMinimizedChanged;
}
else
{
_ = ReinitSurfacesWithDelay();
}
}
if (!_occludedState && occludedState)
{
Core.LogInfo("normal -> occluded");
}
_occludedState = occludedState;
}
if (_sharedResource == null ||
_sharedResource.Description.Width != res.Texture2D.Description.Width ||
_sharedResource.Description.Height != res.Texture2D.Description.Height ||
_sharedResourceOwner != res.GetDx() ||
_reinitSurfaces)
{
Core.LogInfo("Initing DX Presenter surface");
Source = null;
_reinitSurfaces = false;
_surfaceD9?.Dispose();
_sharedResource?.Dispose();
_surfaceD9 = null;
_sharedResource = null;
_sharedResourceOwner = null;
IntPtr handle = IntPtr.Zero;
_surfaceD9 = Surface.CreateRenderTarget(_device, res.Texture2D.Description.Width, res.Texture2D.Description.Height, Format.A8R8G8B8, MultisampleType.None, 0, true, ref handle);
if (handle == IntPtr.Zero)
{
Core.LogWarning("DirectX 9 Device failed to create Surface. Reinit Devices");
_device?.Dispose();
_direct3d?.Dispose();
_device = null;
_direct3d = null;
InitDx9();
_surfaceD9 = Surface.CreateRenderTarget(_device, res.Texture2D.Description.Width, res.Texture2D.Description.Height, Format.A8R8G8B8, MultisampleType.None, 0, true, ref handle);
if (handle == IntPtr.Zero)
{
Core.LogWarning("DirectX 9 Device failed to create Surface after recreation.");
}
}
_sharedResource = res.GetDx().Device.OpenSharedResource <Texture2D>(handle);
_sharedResourceOwner = res.GetDx();
_d3dimage = new D3DImage();
_d3dimage.Lock();
_d3dimage.SetBackBuffer(D3DResourceType.IDirect3DSurface9, _surfaceD9.NativePointer);
_d3dimage.Unlock();
Core.LogInfo("Inited DX Presenter surface");
}
}
catch (Exception e)
{
Core.LogError(e, "Failed to open shared resource");
}
}