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On Wed, 13 Oct 2004 04:57:10 -0400, Warp wrote:
> Andrew Clinton <ajc### [at] uwaterloo ca> wrote:
>> Well, they are clearly using true reflections which are impossible with
>> current scanline
>> accelerators.
>
> max_trace_level 2 reflections are possible with accelerators up to a
> point. However, none of the example images really showed the advantages
> of being able to have deeper reflection levels. This is because there
> aren't smooth triangles.
Could you point me to an accelerator that has such support? I know it can
be done by stretching the shading language to its limit and rendering in
passes like:
http://graphics.stanford.edu/papers/rtongfx/
This is not architectural support.
But I don't know of any mainstream graphics hardware that has support for
reflections. Maybe you are thinking of reflections maps? This is not a
true reflection, because it is only correct at a single point. Also the
mirror reflection you see in games are also tricks.
Andrew
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