Ian Z@thomasfuchs @saxnot I know what ray tracing is. I'm saying that real time ray tracing hasn't been commercially available until very recently, and at great expense.
The Quake Wars demo ran extremely slow on the fastest hardware of the time and was, ironically, CPU bound. It wasn't hardware accelerated.
These were all bespoke implementations, not "general features" of GPUs at the time.
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