What do MRT actually do???

devsh · Post by **devsh** » Sun Apr 19, 2009 1:30 pm

so what do i do?

devsh · Post by **devsh** » Sun Apr 19, 2009 9:20 pm

how do I update it myself??

i don't have a clue what that undefined (possibly removed from 1.4.2) function does...

anyway I made a shader that puts the depth in fourth component, but the problem is that i loaded a Quake3 map and i can't get it to display the light maps...

which texture layer is that???

devsh · Post by **devsh** » Mon Apr 20, 2009 8:20 am

oh ffffs What Do I do?

devsh · Post by **devsh** » Mon Apr 20, 2009 10:03 am

well if someone would explain to me what to do about these w functions I would be able to make A depth pass that is able to put 16 bits of precision into the alpha channel (FPT = wonders)

devsh · Post by **devsh** » Mon Apr 20, 2009 11:04 am

well i cannot put the depth in the fourth component because it changes alpha and then things blend together

devsh · Post by **devsh** » Mon Apr 20, 2009 6:36 pm

I NEED ANSWEARS CMON PPL!

I need 16 bit precision that is only achievable with MRT or FPT.

Nadro · Post by **Nadro** » Mon Apr 20, 2009 9:56 pm

You can pack 32 data to to R8G8B8A8. Check my Deferred Shading demo for that.

devsh · Post by **devsh** » Mon Apr 20, 2009 10:26 pm

but i need the RGB channels so unless I have Floating point Texture i am not able to pack 16 or 32 bits of prec into alpha channel

hybrid · Post by **hybrid** » Mon Apr 20, 2009 11:05 pm

multi-texture anyone?

devsh · Post by **devsh** » Tue Apr 21, 2009 8:34 am

multi -texture??? on render target????

Nadro · Post by **Nadro** » Tue Apr 21, 2009 12:03 pm

You need 32 bits depth, right? So, You can write it to R32F etc. or pack it to R8G8B8A8 and unpack it in next shader.

devsh · Post by **devsh** » Tue Apr 21, 2009 12:27 pm

right R32F, but your patch does not work!

9YkKsvXM · Post by **9YkKsvXM** » Tue May 12, 2009 12:49 am

devsh · Post by **devsh** » Tue May 12, 2009 4:32 pm

well I still REALLY need MRTs for DoF cause otherwise I cannot use the transparent render state.

9YkKsvXM · Post by **9YkKsvXM** » Tue May 12, 2009 10:42 pm