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Macos OpenGL: multiple instances clash #1080

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svantana opened this issue Apr 3, 2024 · 0 comments · Fixed by #1097
Closed

Macos OpenGL: multiple instances clash #1080

svantana opened this issue Apr 3, 2024 · 0 comments · Fixed by #1097

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@svantana
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svantana commented Apr 3, 2024

When using NanoVG+OpenGL on mac, multiple instances can clash, like in the following video:

2x_OpenGL_clash_on_mac.mov

The apple docs are abysmal but from discussions it sounds like it depends on whether the instances are on the same thread or not.

https://stackoverflow.com/questions/2952156/determing-if-an-nsopenglview-has-a-valid-context-cocoa-osx

https://stackoverflow.com/questions/21798018/nsopenglcontext-destroying-textures-of-another-context
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Activate and Deactivate GL context iPlug2/iPlug2
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@svantana