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Expect Ray Traced Games in 2-3 Years, Says Intel
by Chris Faylor, Jul 31, 2008 7:49am PDT
Games using hardware-intensive ray tracing technology could appear in the next two to three years, according to PC component maker Intel.
"I dare say that in two to three years time we will see something [using ray tracing from game developers]," Intel engineering manager Michael Vollmer told PCGH.
Ray tracing calculates how light interacts with objects, including proper reflections and shadows. The results are often described as photo-realistic (see example above), with the process used create computer-generated effects in films and television shows.
Intel had previously demonstrated a version of Raven Software's Quake 4 that utilized ray traced graphics, which some criticized for not showing a marked improvement. However, Vollmer noted that "a complete demo, which contains the graphical aspect, too, is likely to look different."
"Ray tracing [for games] is still in an early stage," he stressed, noting that though it has "all the basic features already, like shadow cast, surface reflections," the transition to a new technology is often slow and laborious.
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http://www.youtube.com/watch?v=DsCgJhoAm0c&feature=related
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http://www.youtube.com/watch?v=oLte5f34ya8
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I am sure someone who knows more about these things will correct me or expand on this.
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I saw some graduate student (I think it was a graduate) using ray tracing with quake 3. The game's lighting looked awesome. When the character got near the quad damage, the shadow the character projected was really something amazing.
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Regular rasterizers can already do 80% or what a raytracer can do and and with a solid performance edge. I only hear about two things RT can be interesting for:
1) Reflections/refractions. Can be cool, but nothing we can't live without.
2) Cleaning/Unifying rendering pipelines. Okay that sounds more interesting from a development standpoint. Current engines are essentially a tangled mess full of hacks and different methods for rendering different stuff, while I hear RTs are more straightforward.
Is there anything else, or is it all essentially a bunch of scientists and coders who want to achieve a technical feat?
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http://www.blender.org/features-gallery/gallery/art-gallery/
It is, however, exciting to think that such a thing could be on the horizon for us.
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