Eselect (OpenGL)

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Summary: A Gentoo/Funtoo utility that allows the active OpenGL implementation on a system to be switched between a variety of installed options.

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Eselect (OpenGL)

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Introduction

Eselect (OpenGL) (also called eselect-opengl) is a module for Eselect that allows the OpenGL implementation on a Funtoo Linux or Gentoo Linux system to be switched between a variety of installed OpenGL implementations. It functions by creating an env,d file at /etc/env.d/03opengl which contains OpenGL settings. A sample env.d file for a multilib system with xorg-x11 OpenGL implementation may look like this:

/etc/env.d/03opengl - An example env.d file for eselect-opengl
# Configuration file for eselect
# This file has been automatically generated.
LDPATH="/usr/lib32/opengl/xorg-x11/lib:/usr/lib64/opengl/xorg-x11/lib"
OPENGL_PROFILE="xorg-x11"

What is Switched

Eselect-opengl handles switching of the active:

  • Libraries (32-bit and 64-bit):
    • libGL
    • libEGL
    • libGLESv1
    • libGLESv2
  • C Headers:
    • /usr/include/GL/*
    • /usr/include/EGL/*
    • /usr/include/KHR/*