[Octave-bug-tracker] [bug #53073] OpenGL color LUT seems incorrect after a print() for the Qt graphics toolkit

[Pantxo Diribarne]

Follow-up Comment #1, bug #53073 (project octave):

@Dan: What is a LUT?

Anyway, there is no such thing like a "context switch". gl2ps uses whatever
opengl context is current (here the one provided by the QOpengGLWidget). It
momentarily switches the glRenderMode to GL_FEEDBACK, in order to record the
primitives that are drawn in a buffer instead of drawing onscreen.

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