We are having some weird problems using Java3D over a Windows' remote desktop. The remote machine is a virtualized server, which can't use the (physical) server's graphic card. When I run the app, the following error pops:
Unable to create DirectX D3D context.
Neither Hardware and Software Renderer are available.
Please update your video card drivers
and get the latest DirectX available at http://microsoft.com/directx
After switching to OpenGL (starting the JVM with -Dj3d.rend=ogl) the same error appears! What is possibly happening? How can I fallback to software rendering, either with OpenGL or DirectX, when the error appears?
EDIT: I've already tried using another OpenGL vendor, using Mesa3D's DLLs instead of the native ones, but it did nothing different. I also installed DirectX SDK and tried to start Java3D with the reference driver (-Dj3d.d3ddevice=reference), but it didn't work either.
The same error appears because if OpenGL fails, Java3D tries to use DirectX. If that fails, too, then the pop is shown.
I didn't manage to solve it because, instead of trying to change things at the remote server, I tried to emulate the problem at my own machine by disabling the video driver. I still don't know why both problems aren't equivalent, but after I returned to work on the server and put DirectX's d3dref9.dll at Java's \bin, it worked.
Now I have an entire new problem, as the JVM can't find the DLL if I place it at java.library.path or Tomcat's \bin :) Problems just can't not exist.
Try the following:
Under Windows:
First, open the Display Properties pane by right clicking on desktop screen and choosing Properties item in menu. In that pane, display the Settings tab, and click on the Advanced button. Then in the Troubleshoot tab of the pane that opened, check the Hardware acceleration cursor is at its maximum on Full, confirm your choice and try to run your program again.
If the previous operation didn't resolve your problem, update the OpenGL and DirectX drivers of your graphic card with the latest available ones, and try to run Sweet Home 3D again.
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OpenGL and Windows Remote don't play along nicely.
Solutions for this are dependent on the use case and answers are fragmented across the vast depths of the net.
This is a write-up I wish existed when I started researching this, both for coders and non-coders.
Problem:
A RDP session of Windows does not expose the graphics card, at least not directly. For instance you cannot change the desktop resolution and GraphicsCard drivers usually just disable their setting menus. Starting a OpenGL context higher than v1.1 fails because of this. The, especially in support IRCs, often suggested "Don't use WindowsRemote" is unfortunately not an option for many. In many corporate environments Windows Remote is a constantly used tool and an app has to work there as well.
Non-Coder workarounds
You can start the OpenGL program, allowing it to see the graphics card, create an opengl context and then connect via WindowsRemote. This always works, as Windows remote just transfers the window content. This can be accomplished by:
A batch script, that closes the session and starts the program, allowing you to connect to the program already running. (Source)
Using VNC or other to remote into the machine, start the program and then switch to Windows Remote. (Simple VNC programm, also with a portable client)
Coder workarounds
(Only for OpenGL ES)Translate OpenGL to DirectX. DirectX works under Windows Remote flawselly and even has a Software rendering fallback built into DX11 if something fails.
Use the ANGLE Project to do this at run-time. This is what QT officially suggests you do and how Chrome and Firefox implement WebGL. (Source)
Switch to software rendering as a fall back. Some CAD software like 3dsMax does this for instance:
Under SDL2 you can use SDL_CreateSoftwareRenderer (Source)
Under GLFW version 3.3 will release OSMesa (Mesa's off screen rendering), in the mean time you can build the Github version with -DGLFW_USE_OSMESA=TRUE, but I personally still struggle to get that running (Source)
Directly use Mesa's LLVM pipe for a fast OpenGL implementation. (Source)
Misc:
Use OpenGL 1.1: Windows has a built in implementation of OpenGL 1.1 and
earlier. Some game engines have a built in fall back to this and thus
work under Windows Remote.
Apparently there is a middle-ware, that allows for even OpenGL 4 over Windows Remote, but it's part of a bigger package and is a commercial solution. (Source)
Any other solutions or corrections are greatly appreciated.
[10] Nvidia -> https://www.khronos.org/news/permalink/nvidia-provides-opengl-accelerated-remote-desktop-for-geforce-5e88fc2035e342.98417181
According to this article it seems that now RDP handles newer versions of Direct3D and OpenGL on Windows 10 and Windows Server 2016, but by default it is disabled by Group Policy.
I suppose that for performance reasons, using a hardware graphics card is disabled, and RDP uses a software-emulated graphics card driver that provides only some baseline features.
I stumbled upon this problem when trying to run Ultimaker CURA over standard Remote Desktop from a Windows 10 client to a Windows 10 host. Cura shouted "cannot initialize OpenGL 2.0 context". I also noticed that Repetier Host's "preview" window runs terribly slow, and Repetier detects only an OpenGL 1.1 card. Pretty much fits the "only baseline features" description.
By running gpedit.msc then navigating to
Local Computer Policy\Computer Configuration\Administrative Templates\Windows Components\Remote Desktop Services\Remote Desktop Session Host\Remote Session Environment
and changing the value of
Use hardware graphics adapters for all Remote Desktop Services sessions
I was able to successfully run Ultimaker CURA via with no issues, and Repetier-Host now displays OpenGL 4.6, and everything finally runs fast as it should.
Note from genpfault:
As usual, this Policy is kept in the HKLM registry group in
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services
Set REG_DWORD:bEnumerateHWBeforeSW to 1 to turn ON using GPUs in RDP.
OpenGL works great by RDP with professional Nvidia cards without anything like virtual machines and RemoteFX. For Quadro (Quadro 4000 tested) you need driver 377.xx. For M60 you can use the same driver. If you want to use last driver with M60, you have to change the driver mode to WDDM mode (see c:\Program Files\NVIDIA Corporation\NVSMI\nvidia-smi.1.pdf). It is possible that there are some problems with licensing in this last case.
Some people recommend using "tscon.exe" if you can: https://stackoverflow.com/a/45723167/32453 or using a scheduler to do it on native hardware: https://stackoverflow.com/a/41839102/32453 or creating a group policy:
https://community.esri.com/thread/225251-enabling-gpu-rendering-on-windows-server-2016-windows-10-rdp
maybe copy opengl32.dll (or opengl64.dll) to your executable's dir: https://blender.stackexchange.com/a/73014 and newer version of the dll: https://fdossena.com/?p=mesa/index.frag
Remote Desktop and OpenGL does not play very well. When you connect to a Windows box the OpenGL Driver is unloaded and you end up with software emulation of OpenGL.
When you disconnect from the Windows box the OpenGL driver is not reloaded. This causes issues when you are running tests on the machine as you have to physically login to the machine to reset the drivers.
The solution I ended up using was to:
Disable Remote Desktop.
Delete all other software for remote desktop access. Because if it's used for logging in remotely the current set of drivers loaded may be messed up.
Install NoMachine
NoMachine is my personal favourite (when it does not play up) for a number of reasons:
Hardware acceleration of compression (video of desktop).
Works on Windows and Linux.
Works well on low-bandwidth connections especially if the client and server have the necessary hardware for compression of the data stream.
On Linux you get your desktop as you last left it when you were sitting in front of the machine.
On Windows it does not affect OpenGL.
currently free for personal and commercial use. Do check the licence in case it's changed.
When NoMachine plays up it hogs the CPU but this happens rarely. It is however in active development
Others to consider:
TurboVNC
TightVNC
TeamViewer - only free for personal use.
I'm trying too use DirectX desktop duplication API.
I tried running exmaples from
http://www.codeproject.com/Tips/1116253/Desktop-Screen-Capture-on-Windows-via-Windows-Desk
And from
https://code.msdn.microsoft.com/windowsdesktop/Desktop-Duplication-Sample-da4c696a
Both of these are examples of screen capture using DXGI.
I have NVIDIA GeForce GTX 1060 with Windows 10 Pro on the machine. It has Intel™ Core i7-6700HQ processor.
These examples work perfectly fine when NVIDIA Control Panel > 3D Settings is selected to Auto select processor.
However if I set the setting manually to NVIDIA Graphics Card the samples stop working.
Error occurs at the following line.
//IDXGIOutput1* DxgiOutput1
hr = DxgiOutput1->DuplicateOutput(m_Device, &m_DeskDupl);
Error in hr(HRESULT) is DXGI_ERROR_UNSUPPORTED 0x887A0004
I'm new to DirectX and I don't know the issue here, is DirectX desktop duplication not supported on NVIDIA ?
If that's the case then is there a way to select a particular processor at the start of program so that program can run with any settings ?
#Edit
After looking around I asked the developer (Evgeny Pereguda) of the second sample project on codeproject.com
Here's a link to the discussion
https://www.codeproject.com/Tips/1116253/Desktop-Screen-Capture-on-Windows-via-Windows-Desk?msg=5319978#xx5319978xx
Posting the screenshot of the discussion on codeproject.com in case original link goes down
I also found an answer on stackoverflow which unequivocally suggested that it could not be done with the desktop duplication API referring to support ticket at microsoft's support site https://support.microsoft.com/en-us/help/3019314/error-generated-when-desktop-duplication-api-capable-application-is-ru
Quote from the ticket
This issue occurs because the DDA does not support being run against
the discrete GPU on a Microsoft Hybrid system. By design, the call
fails together with error code DXGI_ERROR_UNSUPPORTED in such a
scenario.
However there are some applications which are efficiently duplicating desktop on windows in both modes (integrated graphics and discrete) on my machine. (https://www.youtube.com/watch?v=bjE6qXd6Itw)
I have looked into the installation folder of the Virtual Desktop on my machine and can see following DLLs of interest
SharpDX.D3DCompiler.dll
SharpDX.Direct2D1.dll
SharpDX.Direct3D10.dll
SharpDX.Direct3D11.dll
SharpDX.Direct3D9.dll
SharpDX.dll
SharpDX.DXGI.dll
SharpDX.Mathematics.dll
Its probably an indication that this application is using DXGI to duplicate desktop, or may be the application is capable of selecting a specific processor before it starts.
Anyway the question remains, is there any other efficient method of duplicating desktop in both modes?
The likely cause is certain internal limitation for Desktop Duplication API, described in Error generated when Desktop Duplication API-capable application is run against discrete GPU:
... when the application tries to duplicate the desktop image against the discrete GPU on a Microsoft Hybrid system, the application may not run correctly, or it may generate one of the following errors:
Failed to create windows swapchain with 0x80070005
CDesktopCaptureDWM: IDXGIOutput1::DuplicateOutput failed: 0x887a0004
The article does not suggest any other workaround except use of a different GPU (without more specific detail as for whether it is at all achievable programmatically):
To work around this issue, run the application on the integrated GPU instead of on the discrete GPU on a Microsoft Hybrid system.
Microsoft introduced a registry value that can be set programmatically to control which GPU an application runs on. Full answer here.
We've got a desktop Windows app written in C++ which uses an OpenGL rendered view.
On some AMD cards, if you open Catalyst Control Center and force Triple Buffering and V-sync on, it breaks our app: nothing renders at all, it's just a grey screen (on some other driver versions, it crashes on creating the context instead). Turning off either triple buffering or V-sync restores it to normal.
We use wglSwapIntervalEXT to enable V-syncing in our app. Thinking it might conflict, I removed the code for it; no change.
Is this definitely a driver bug or is there anything different we have to do to handle triple buffering?
I have run into this same issue in my own application and it's been maddening to track down. Here's the additional information I can provide based upon a minimal application testing setup I built to replicate the problem:
1) All of your calls to set the pixel format and create a GL RC will succeed. However, GLDebugger will show that the RC does not actually acquire static buffers.
2) When you try to make the RC current, it will return false, and GetLastError() says there is an invalid handle.
3) I can only replicate this problem in MFC. Is that what you're using? When I built a testbed application using straight Win32 API, it works fine. There has to be an obscure interaction at play here..
4) If I delay RC creation until after OnCreate, then things build fine.
I'm afraid my answer leans towards "Driver Bug", but point #4 shows a workaround -- rather than do your GL window creation in OnCreate, try instead doing it as a one-off in OnInitialUpdate -- this so far is working in test for me!
UPDATE: I've contacted AMD about this issue, and it turns out that this is a result of MFC creating the window with zero width/height originally, then resizing. If in your PreCreate function assign nonzero dimensions, everything works.
Hopefully this will be a good resource for everyone trying to figure out what's going on with this!
I have an application written in QT4, that uses an openGL window. It has been running happily for months. Windows XP, service Pack 3,
Recently I was diddling with my screensaver, and happened to select the 3D text choice. When I previewed it, the QT4 application seg-faulted immediately. When I ran in the debugger,it is crashing in ig4dev32.dll, which is an intel graphics accelerator driver for Open GL.
When I do a similar test on a machine with an NVIDIA card, I (not surprisingly) get no problems.
I'm not really sure whether I'm asking for help, or insight, or whatever--has anybody ever seen it? Google tells me others have seen it happen in gaming applications, but I see no references to developers having it happen to them. Obviously, I can not use that screensaver, but I suspect the problem is "bigger" than that. Ideas?
I would start by reporting this to Intel. No doubt, they will not resolve it by the end of the week, but eventually. In the mean time, I'd also report it to Qt software, so see if they can trouble shoot it as well.
In the mean time, you know the issue and how to resolve it (no OpenGL screensavers). So all you have to do is to inform your customers. The best would be if the application itself could inform the customers, but detecting if a screensaver uses OpenGL or not does not seem feasable.
Perhaps you could do some additional tests. For instance, what happens if your application is run in paralell with, say, Google Earth in OpenGL mode?
I am trying to figure out the proper procedure for applying a new tsk based theme file in windows mobile 6.1.
I have tried working off of the page http://www.pocketpcdn.com/articles/changetodaytheme.html But this only changes the background, not the system colors for things such as the top and bottom bars on the screen.
wceload.exe seems to work perfectly for some tsk's and partially for others.
Does anyone know more about tsk files and applying them programmatically in Windows Mobile 6.1?
My application is an open source application, the code is avail;able via read only svn, feel free to check it out # google code
I ended up finding a solution, I don't think it is a universal solution though.
Calling "\Windows\cusTSK.exe \Windows\ThemeName.tsk" changes the top and bottom bars, but does not change all apsects of the theme... so calling wceload.exe and then calling cuTSK.exe in that order seems to be able to change the theme using all tsk files that I have tested.
The cusTSK.exe binary does not exist on the Windows Mobile 6.1 Professional emulator image that you can download from msdn, so I think that this file that exists on custom roms and HTC made devices, that is why I do not think this is a universal solution, but it works for my purposes