UI performances of a 3rd party VST hosted inside a JUCE VST

[OBO]

Possibly the same issue as this? Should be a high priority for the JUCE team, imo.

Performance issue with OpenGL in multiple windows

This is currently on Mac, in a standalone application, but I think the problem probably applies to all platforms. (It is also on JUCE 4.3 – sorry; if this has been resolved in more recent versions, that would be a solution as well). I have found that using an OpenGLContext attached to the top level component of the window improves CPU usage substantially in my app. I am not using any OpenGL calls directly, I am just using it to accelerate JUCE’s 2d Drawing. If I create multiple windows, and ea…