'Avalonia.OpenGL.OpenGlException': Unable to make the context current

[afcsoft]

Describe the bug

OpenGL rendering controls works just fine but about in 2 minutes, it crashes with this exception:

'Avalonia.OpenGL.OpenGlException': Unable to make the context current

Also, nobody returns my e-mail about paid support request. Hope you guys are okay.

To Reproduce

1. Open XamlControlGallery project
2. Run it
3. Just wait for crash.

Screenshots

• OS: Windows 10 Pro Version: 20H2 Build: 19042.746
• PC:
  • CPU: Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz 1.80 GHz
  • GPU: Intel UHD Graphics 620 , Radeon(TM) 520
• Avalonia Version 0.10.0

Additional context Logs:

[Visual] Exception in render loop: 'Avalonia.OpenGL.OpenGlException: Unable to make the context current
   at Avalonia.Win32.OpenGl.WglRestoreContext..ctor(IntPtr gc, IntPtr context, Object monitor, Boolean takeMonitor) in /_/src/Windows/Avalonia.Win32/OpenGl/WglRestoreContext.cs:line 27
   at Avalonia.Win32.OpenGl.WglGlPlatformSurface.RenderTarget.BeginDraw() in /_/src/Windows/Avalonia.Win32/OpenGl/WglGlPlatformSurface.cs:line 52
   at Avalonia.Skia.GlRenderTarget.BeginRenderingSession() in /_/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs:line 101
   at Avalonia.Skia.SkiaGpuRenderTarget.CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer) in /_/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs:line 40
   at Avalonia.Rendering.DeferredRenderer.EnsureDrawingContext(IDrawingContextImpl& context) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 599
   at Avalonia.Rendering.DeferredRenderer.UpdateRenderLayersAndConsumeSceneIfNeeded(IDrawingContextImpl& context, Boolean recursiveCall) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 397
   at Avalonia.Rendering.DeferredRenderer.Render(Boolean forceComposite) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 340
   at Avalonia.Rendering.RenderLoop.TimerTick(TimeSpan time) in /_/src/Avalonia.Visuals/Rendering/RenderLoop.cs:line 145' (RenderLoop #53857724)

[grokys]

@kekekeks ☝️

[afcsoft]

Disabling AllowEglInitialization helped a bit. Not crashing about 5 mins. Still same exception.

[llfab]

I am getting the very same issue if WGL is enabled even for simpler apps on various Windows 10 and Windows 11 machines.

2022-01-14 00:02:20.037 | Avalonia             | TID[     7] | W:8/32765/32767 C:8/1000/1000 | Error     |  [Visual] Exception in render loop: 'Avalonia.OpenGL.OpenGlException: Unable to make the context current
   at Avalonia.Win32.OpenGl.WglGlPlatformSurface.RenderTarget.BeginDraw() in /_/src/Windows/Avalonia.Win32/OpenGl/WglGlPlatformSurface.cs:line 47
   at Avalonia.Skia.GlRenderTarget.BeginRenderingSession() in /_/src/Skia/Avalonia.Skia/Gpu/OpenGl/GlRenderTarget.cs:line 101
   at Avalonia.Skia.SkiaGpuRenderTarget.CreateDrawingContext(IVisualBrushRenderer visualBrushRenderer) in /_/src/Skia/Avalonia.Skia/Gpu/SkiaGpuRenderTarget.cs:line 40
   at Avalonia.Rendering.DeferredRenderer.EnsureDrawingContext(IDrawingContextImpl& context) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 618
   at Avalonia.Rendering.DeferredRenderer.UpdateRenderLayersAndConsumeSceneIfNeeded(IDrawingContextImpl& context, Boolean recursiveCall) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 416
   at Avalonia.Rendering.DeferredRenderer.Render(Boolean forceComposite) in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 359
   at Avalonia.Rendering.DeferredRenderer.Avalonia.Rendering.IRenderLoopTask.Render() in /_/src/Avalonia.Visuals/Rendering/DeferredRenderer.cs:line 277
   at Avalonia.Rendering.RenderLoop.TimerTick(TimeSpan time) in /_/src/Avalonia.Visuals/Rendering/RenderLoop.cs:line 147' (RenderLoop #35236192)

You can see that in TID the thread id is 7, hence, not the UI thread which would be 1.

Maybe this helps...

[Hanprogramer]

Still happening. But randomly. I'm not sure what's causing it

[jmb10101]

Is there any update on this issue or plan on working on it? It is still happening. This should be a very high priority bug as it is essentially a non-starter for any project that wants to use OpenGL within Avalonia on Windows.

[kekekeks]

There are plans to finish and merge https://github.com/AvaloniaUI/Avalonia/pull/6391 before 11.0. That should be way more stable.

[StipecMV]

That is strange, I got the same exception on X11

[OpenGL] Unable to initialize GLX-based rendering: 'Avalonia.OpenGL.OpenGlException: Unable to find a suitable GL function for CreateContextAttribsARB
   at Avalonia.OpenGL.GlInterfaceBase`1..ctor(Func`2 getProcAddress, TContext context) in /_/src/Avalonia.OpenGL/GlInterfaceBase.cs:line 58
   at Avalonia.OpenGL.GlInterfaceBase..ctor(Func`2 getProcAddress) in /_/src/Avalonia.OpenGL/GlInterfaceBase.cs:line 11
   at Avalonia.X11.Glx.GlxInterface..ctor() in /_/src/Avalonia.X11/Glx/Glx.cs:line 110
   at Avalonia.X11.Glx.GlxDisplay..ctor(X11Info x11, IList`1 probeProfiles) in /_/src/Avalonia.X11/Glx/GlxDisplay.cs:line 20
   at Avalonia.X11.Glx.GlxPlatformOpenGlInterface.TryCreate(X11Info x11, IList`1 glProfiles) in /_/src/Avalonia.X11/Glx/GlxPlatformFeature.cs:line 34'

[kekekeks]

@StipecMV that's a completely different issue. Your glXGetProcAddress has failed for glXCreateContextAttribsARB. Which Linux distro are you using?

[afcsoft]

Any updates?