The 2.4 version of OpenGL Performer contains the following new features:
Product name has been changed from IRIS Performer to OpenGL Performer.
OpenGL Performer interfaces only with the OpenGL graphics library. Unlike IRIS Performer, it does not use the IRIS GL library.
OpenGL Performer runs on both the IRIX and Linux operating systems.
Multi-texture support.
Multiprocessing enhancements.
pfFlux enhancements.
pfShader.
Double-precision DCS support.
pfLOD enhancements.
Volume fog.
Anisotrophic filtering.