Utah GLX

File:Linux graphics drivers Utah GLX.svg

Utah GLX parallel to 2D drivers. Only indirect rendering over GLX is possible.

Utah GLX was a project aimed at creating a fully free and open-source basic hardware-accelerated 3D renderer using the OpenGL rendering API on Linux kernel-based operating systems. Utah GLX predates Direct Rendering Infrastructure, which is what is used as of 2014.

John Carmack worked on Utah GLX.

History

• 2D drivers inside of the X server
  2D drivers inside of the X server
• Indirect rendering over GLX, using Utah GLX
  Indirect rendering over GLX, using Utah GLX
• Early Direct Rendering Infrastructure
  Early Direct Rendering Infrastructure
• Finally all access goes through the Direct Rendering Manager.
  Finally all access goes through the Direct Rendering Manager.
• In Linux kernel 3.12 render nodes were merged and the KMS driver was split off. Wayland implements direct rendering over EGL/GBM.
  In Linux kernel 3.12 render nodes were merged and the KMS driver was split off. Wayland implements direct rendering over EGL/GBM.

External links

• Utah-GLX Homepage
• Historical view at OpenGL and Direct3D

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