private void DisplayAsTexture(DirectXResource res)
{
if (res.Texture2D == null)
{
Core.LogWarning("DisplayAsTexture failed as Texture2D == null");
return;
}
res.GetDx().RunOnContext(ctx =>
{
ctx.CopyResource(res.Texture2D, _sharedResource);
ctx.Flush();
}, "CopyToUI");
if (_d3dimage.TryLock(TimeSpan.FromMilliseconds(1500)))
{
_d3dimage.AddDirtyRect(new Int32Rect(0, 0, res.Texture2D.Description.Width, res.Texture2D.Description.Height));
_d3dimage.Unlock();
}
else
{
Core.LogWarning("Failed to Lock DirectXPresenter/d3dimage");
}
if (Source != _d3dimage)
{
Core.LogInfo("Assigning new D3DImage");
Source = _d3dimage;
}
}
private void DownloadAndDisplayAsBitmap(DirectXResource res)
{
int width = res.Texture2D.Description.Width;
int height = res.Texture2D.Description.Height;
var dx = res.GetDx();
PrepareSoftwareImage(width, height, PixelFormats.Bgra32);
if (_cpuTexture == null ||
_cpuTexture.Texture2D == null ||
_cpuTexture.Texture2D.Description.Width != width ||
_cpuTexture.Texture2D.Description.Height != height ||
_cpuTextureOwner != dx)
{
_cpuTexture?.Dispose();
_cpuTextureOwner = dx;
_cpuTexture = dx.Pool.Get("uiCpu", DirectXResource.Desc(width, height, SharpDX.DXGI.Format.B8G8R8A8_UNorm, BindFlags.None, ResourceUsage.Staging, ResourceOptionFlags.None, CpuAccessFlags.Read));
}
DataBox db = new DataBox();
dx.RunOnContext(ctx =>
{
ctx.CopyResource(res.Texture2D, _cpuTexture.Texture2D);
ctx.Flush();
db = ctx.MapSubresource(_cpuTexture.Texture2D, 0, MapMode.Read, MapFlags.None);
}, "Download for ui");
if (db.SlicePitch > 0)
{
_softwareImage.WritePixels(new Int32Rect(0, 0, width, height), db.DataPointer, db.SlicePitch, db.RowPitch);
}
dx.RunOnContext(ctx => ctx.UnmapSubresource(_cpuTexture.Texture2D, 0), "Unmap for ui");
if (Source != _softwareImage)
{
Source = _softwareImage;
}
}
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");
}
}