limitations?

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limitations? #21249 12/17/03 17:26 12/17/03 17:26
Joined: Oct 2002 Posts: 8,939 planet.earth ello OP Senior Expert
ello OP Senior Expert Joined: Oct 2002 Posts: 8,939 planet.earth	is it right that the number of instructions inside a pixel shader is limitated? www.earthcontrol.de quoted: We want to maintain a clean, decent, American family suited forum look... which means you may post zombies or chainsaw massacres, but no erotic.

Re: limitations? [Re: ello] #21250 12/17/03 17:29 12/17/03 17:29
Joined: Dec 2003 Posts: 118 zero Member
zero Member Joined: Dec 2003 Posts: 118	yes but its pretty high i dont think u could use it up.... ;-) http://www.mkbloodlust.com/frag/index.php

Re: limitations? [Re: zero] #21251 12/17/03 17:39 12/17/03 17:39
Joined: Oct 2002 Posts: 8,939 planet.earth ello OP Senior Expert
ello OP Senior Expert Joined: Oct 2002 Posts: 8,939 planet.earth	i tried something like that: ps.1.1 tex t0 mul r0,t0,v0 add r0,r0,r0 add r0,r0,r0 add r0,r0,r0 add r0,r0,r0 add r0,r0,r0 but then if i place more instructions i get the message effect unsupported by hardware www.earthcontrol.de quoted: We want to maintain a clean, decent, American family suited forum look... which means you may post zombies or chainsaw massacres, but no erotic.

Re: limitations? [Re: ello] #21252 12/17/03 17:45 12/17/03 17:45
Joined: Dec 2003 Posts: 118 zero Member
zero Member Joined: Dec 2003 Posts: 118	what kinda grafx card do you have? http://www.mkbloodlust.com/frag/index.php

Re: limitations? [Re: ello] #21253 12/17/03 17:48 12/17/03 17:48
Joined: Dec 2003 Posts: 118 zero Member
zero Member Joined: Dec 2003 Posts: 118	im not sure about 3dgs with shaders but that looks like good old direct x to me and u would need a prettty good grafxs card to run that lol. ive got a geforce 4 ti 4800 and i doubt it would work. if i know anything about shaders in 3dgs i would test it for ya. but sorry i dont.. http://www.mkbloodlust.com/frag/index.php

Re: limitations? [Re: zero] #21254 12/17/03 17:50 12/17/03 17:50
Joined: Oct 2000 Posts: 1,543 Germany A Alexander Esslinger Senior Developer
Alexander Esslinger Senior Developer A Joined: Oct 2000 Posts: 1,543 Germany	Since version 1.4 the pixel shader is fully programmable. The older versions are not, so they are limited to a certain number of instructions per pass (about 8).

Re: limitations? [Re: ello] #21255 12/17/03 17:50 12/17/03 17:50
Joined: Oct 2003 Posts: 4,131 M Matt_Aufderheide Expert
Matt_Aufderheide Expert M Joined: Oct 2003 Posts: 4,131	yes, you are allowed a total of 4 texture instructions and 8 arithmetic instructions (in ps1.1-ps1.3). Sphere Engine--the premier A6 graphics plugin.

Re: limitations? [Re: Alexander Esslinger] #21256 12/17/03 17:55 12/17/03 17:55
Joined: Oct 2002 Posts: 8,939 planet.earth ello OP Senior Expert
ello OP Senior Expert Joined: Oct 2002 Posts: 8,939 planet.earth	all right. thats what i thought. can i use ps.1.4 with 3dgs? im not at home to test it but i'd like to know now. www.earthcontrol.de quoted: We want to maintain a clean, decent, American family suited forum look... which means you may post zombies or chainsaw massacres, but no erotic.

Re: limitations? [Re: ello] #21257 12/17/03 18:09 12/17/03 18:09
Joined: Oct 2000 Posts: 1,543 Germany A Alexander Esslinger Senior Developer
Alexander Esslinger Senior Developer A Joined: Oct 2000 Posts: 1,543 Germany	Sure you can... if you have a GeForce FX by chance.

Re: limitations? [Re: Alexander Esslinger] #21258 12/17/03 19:15 12/17/03 19:15
Joined: Oct 2002 Posts: 8,939 planet.earth ello OP Senior Expert
ello OP Senior Expert Joined: Oct 2002 Posts: 8,939 planet.earth	so if my hardware supports it i can go even to ps.2.0 ? www.earthcontrol.de quoted: We want to maintain a clean, decent, American family suited forum look... which means you may post zombies or chainsaw massacres, but no erotic.

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