Hi. I’m using GLFW for a VR painting project at work. I use threads to async-load heavy 3D Models, with their own opengl context, created using an invisible window, as proposed in the GLFW doc. The temp windows are created and destructed in the main thread. It works well. But, on windows (10), if…

There was an issue for this which is now closed: Does GLFW support creating OpenGL contexts for headless rendering (to an offscreen buffer)? opened 07:47AM - 23 Nov 15 UTC (UTC) closed 09:43AM - 23 Nov 15 UTC (U…

Thanks for your reply. That issue was rather about creating a gl context without creating a window, if I’m not wrong ? I’m aware of the other ways to load 3D models using threads. I was just wondering if it is expected to add calls to ‘directly’ create shared gl context, based on an already opened…

[image] sdegrande: That issue was rather about creating a gl context without creating a window, if I’m not wrong ? Yes, since your original question was: [image] sdegrande: So my question is : do you expect to add (more or less soon) a function to create an opengl context without creatin…

[image] dougbinks: Yes, since your original question was:… Ah, yes, sorry. My english is not that good, and the question was indeed not precise enough… [image] dougbinks: So if I understand it your actual question is “do you expect to add a function to create multiple OpenGL contexts for…

Coming back to this it would seem to me that an easier solution for you would be to keep the invisible window open and re-use it when you need to load another model. If you’re interested in working on a multiple contexts for one window then I would create an issue and/or start an implementation wit…

Yes, one hidden window could be kept and reused. Or even a pool of hidden windows could be used to enable parallel loading of several models (can be useful in some cases). But that’s more or less a ‘trick’, right ? So yes, multiple contexts for one window would be the preferable solution (imho)… If…

[image] sdegrande: But that’s more or less a ‘trick’, right ? I wouldn’t call it a ‘trick’ - it is a robust and workable approach. I have submitted an issue for this: Feature request / discussion: multiple contexts for a window open…

I now have an initial implementation on Windows: Feature request / discussion: multiple contexts for a window opened 03:48PM - 29 Apr 20 UTC (UTC) [dougbinks] dougbinks …

Sorry, I’ll only be able to check next week, when we’ll be authorized to return at work.

I finally had the opportunity to test your patch. It works like a charm, and was super easy to implement. As you mentioned in the FR, glfwGetCurrentUserContext() is not needed (at least in my case), given that I create one user context per thread (used to async-load a 3D model) and so I keep a ref…

Fullscreen window blinking

support

dougbinks July 8, 2020, 6:50pm 14

Great - do you have any priorities for the OS implementations you need?

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Fullscreen window blinking

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