[Bf-cycles] Shadow Pass including IBL + mesh Lights (VFX)

Brecht Van Lommel brechtvanlommel at pandora.be
Sun May 11 15:32:26 CEST 2014

I attempted to improve the shadow pass now to take the light shaders
into account, which should make background lights actually useful in
the shadow pass. There's a patch here that you can test:

There's a number of tricky issues to solve there though. I'll see how
far I get with those, not sure if I will have time to solve them.

On Sun, May 11, 2014 at 3:29 PM, Brecht Van Lommel
<brechtvanlommel at pandora.be> wrote:
> On Sun, May 11, 2014 at 11:51 AM, Thomas Beck
> <software at plasmasolutions.de> wrote:
>> As Thomas Dinges pointed out it's just a matter of deleting one check in
>> kernel_emission.h to support mesh lights in the shadow pass (or is there
>> more to do, Brecht?).
> It's actually more complicated than that, due to the way we reuse rays
> for BSDF sampling of lights. Removing the check will give results that
> will be slightly or very wrong depending on the scene setup.
> Brecht.

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