Early GPU Ray Tracing
•Implemented
on ATI
Radeon 8500 DX 8.1
Radeon 8500 DX 8.1
–Pixel
Shaders 1.4
–16-bit
fixed point
•Limited
precision
resulted in errors
resulted in errors
•114M
ray-triangle ints/s
•Much
faster than best
single CPU time
(20-40M on 800MHz P3, Wald et al. EGRW01)
single CPU time
(20-40M on 800MHz P3, Wald et al. EGRW01)
•Expect
gap to widen further
