Comments on: Framebuffer setup for passes output in general and mia_material_x in particular

By: korinkite

korinkite — Wed, 01 Jun 2011 14:55:14 +0000

Hey Sagroth. Just wanted to say that, as a person who has been revisiting your blog in intervals, that I find myself learning new things every time I reread your posts and it has been incredibly helpful. I was just looking to optimize passes and found your tip on “contrast all buffers”. Thanks a ton!

- Korinkite

By: Sagroth

Sagroth — Mon, 27 Dec 2010 01:20:07 +0000

Слышал, но никогда не пробовал. Помню были какие-то странности с бампом у ctrl_buffers и вроде то же самое в тестах с p_megaTk наблюдалось. У simplePasses этого не было, зато был ряд других Надо будет попробовать – спасибо.

By: Aperon

Aperon — Sun, 26 Dec 2010 23:18:48 +0000

А что можете сказать об этих НЕМУТОРНЫХ ))) шейдерах, которые были сделаны на основе шейдеров Puppetа?
http://deex.info/wordpress2/tools/deex-shaders-pack/

Я в майке их не юзал, пытаюсь под макс приспособить.

За статью СПАСИБО!!!

By: Lover boy

Lover boy — Fri, 19 Nov 2010 00:17:33 +0000

Thanks for posting, my girlfriend Kitty showed me this, I haven’t seen this one yet and it was a big help, I’m currently working on trying to fix my shadows to be a slightly different shape than the object that they are coming from so learning about shadows is helpful.

By: Sagroth

Sagroth — Sat, 13 Nov 2010 22:01:00 +0000

These passes won’t give you control over shadows. You need a pass that has diffuse without shadows or shadows without diffuse. Then you can divide one by another in comp to separate them. You can make additional pass with mip_matteshadow for that, but that’s additional calculations. So that really depends whether your scene export is fast enough – pretty often it’s much more efficient to render stuff like that as a separate render (furthermore ground shadows with casting objects invisible are much better in comp because shouldn’t leave fringes).

By: Chris Russell

Chris Russell — Sat, 13 Nov 2010 20:04:20 +0000

That’s a shame. Is there any combination of diff_level, diff_result and diff_raw that can be composited to control the
cast shadows? Thanks again for your help

By: Sagroth

Sagroth — Sat, 13 Nov 2010 19:36:46 +0000

Hi. If you want to get shadow layer unmatted by casting objects (like a shadow on the ground) it seems you have to use renderLayer. I did some tests plugging mib_continue or other fully transparent shaders into a pass for the casting objects, but it produces weird results and render time increases greatly.

By: Chris Russell

Chris Russell — Sat, 13 Nov 2010 07:07:46 +0000

Hi Sagroth

Thanks for this tutorial it’s really helpful. I’m still struggling to understand how to render a cast shadows pass. Is this possible or do we still have to set up a shadow layer to get just the shadow information.

Thanks for all your help

Cheers

By: Kit

Kit — Mon, 05 Jul 2010 20:50:14 +0000

okay~ just so we are clear, yes Korinkite, this is me, your girlfriend, I just wanted to say. No. Kitty is not me like you have accused me of being. BUT this was very helpful. I would love to learn how to do all of this stuff. This was well laid out and helpful.
~Kit

By: Korinkite

Korinkite — Fri, 02 Jul 2010 21:39:06 +0000

Oh, looks like I over thought the process a bit, that explanation is really helpful thank you. Hope to see more of your work later.

- Korinkite