E.T. wrote:
> this guy among his demos, has 3 of them ( 8th, 9th and 10th from the top )
> which implement real time ray tracing which is done in the GPU with very
> decent frame rates. The ray tracing algorithm is implemented as a pixel
> shader program. So maybe it's not a far-fetched dream. On my computer (
> nvidia 6600 ) i got about 13 FPS with the hardwareraytrace2 demo and about
> 60 fps with hardwareraytrace. So maybe it's very possible to use the GPU
> and the power of their pixel shaders in order to make pov-ray faster.

All that proves is that it's possible to write a raytracer (from scratch)
for a GPU, not that a GPU can be used to make POV-Ray faster. It's a
completely different task to design a raytracing algorithm to fit in the
limitations of a pixel shader, than to modify an existing (and quite
complex!) raytracer to be sped up by a GPU.

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