Re: Rayshade

[Jose' C. <cru...@ce...>]

Il giorno 26/giu/07, alle ore 18:46, Roger Holmes ha scritto:

> I have finally built a version of RayShade which runs within my Macho/
> Cocoa application.

Great

>
> I am seeing a problem with the RGB and Alpha channels being mixed up.
> I get no green, mainly cyan and white with some blue and magenta.
> This is on Intel.

Im actually porting our app from CFM to Mach0 and intel, and I've =20
seen the endian problems too, but these are the least of our problems =20=

now..

>
>
> Am I right in thinking RayShade is non interactive (in the Quesa =20
> sense)?

yes, it declares itself as non interactive
>
> What does it put into the Alpha channel when rendering into an
> offscreen pixmap with an alpha channel? (The MicroSpot renderer sets
> all the background pixels to 100% transparent and normal objects
> pixels to 0% transparent and pixels which only have transparent
> objects, to their combined transparency)
>
> Does RayShade support the background and foreground planes which Dair
> introduced a few years back?

no, but I think it's not difficult to implement

>
> Apart from that it looks good, speed looks OK though I've not thrown
> anything really difficult at it yet.

one great addition to rayshade will be to made it threaded to use =20
multiprocessor system

>

Pax et Bonum

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