Sharing ptr from glMapBuffer with another app

Hi all,

i would be interested if it is possible to share the memory allocated by glMapBuffer(…) with another application.

Idea is, since this is - in a few lucky cases - VRAM memory, on could avoid a costly extra copy from ‘regular’ shared memory to texture / vertex etc memory using own glTexSubImageXY.

In short, is it possible to declare memory allocated elsewhere ( gl driver ) later as ‘shared’?


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