Linked by Stephen Reilly on Mon 12th Mar 2007 17:47 UTC
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Member since:
2005-07-06
It is not different. XP sans ICD is limited to OpenGL 1.1 or 1.2. The key is that prior to XP, OpenGL was software rasterized when there was no IHV-supported implementation present. With XP and continuing in Vista, it is hardware-accelerated OOTB (i.e., OOTB OpenGL support has steadily improved). ICDs have always, and continue to be the mechanism for support of vendor-specific features and newer versions than what the OS provides.