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EACam
Warrior

154 Posts

Posted - May 16 2004 :  1:43:48 PM  Show Profile  Reply with Quote
Um...Jack Hoxley has this tips and tricks article for DX8 and in the Gamma correction part he uses the Interpolate function which I don't have!

Can anyone give this function to me (it's called Interpolate, duh)?

EACam
Warrior

154 Posts

Posted - May 16 2004 :  1:44:50 PM  Show Profile  Reply with Quote
Oh...and what's the difference between Gamma Calibration and Gamma Correction?

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Sr. Guapo
Swordmaster

USA
272 Posts

Posted - May 16 2004 :  5:48:31 PM  Show Profile  Reply with Quote
I don't know, have you emailed Jack yourself? He is pretty quick with replies

PS - use the Jack.Hoxley@DirectX4VB.com email, the other is invalid
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masterbooda
Swordmaster

277 Posts

Posted - May 17 2004 :  12:57:15 AM  Show Profile  Visit masterbooda's Homepage  Reply with Quote
Gamma Calibration and Gamma Correction...... from what I remember did the same thing, but had different usage.... Also something to be careful of, is that some of the newer cards, don't support any Gamma Correction....

DaBooda out...

DaBooda Team is back: http://dabooda.789mb.com/
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EACam
Warrior

154 Posts

Posted - May 17 2004 :  10:21:42 AM  Show Profile  Reply with Quote
Yeah...mine doesn't support calibration, but DOES support correction in fullscreen mode (at least, that's what my enums say).
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VBBR
Moderator

Brazil
617 Posts

Posted - May 17 2004 :  11:10:12 AM  Show Profile  Reply with Quote
In normal conditions from what I know you can't change the gamma while in windowed mode, because the gamma is always changed for the WHOLE screen and in windowed mode you don't have control of it; while in Fullscreen mode (as the name says) you do have.

Whatever. Who knows...
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Sr. Guapo
Swordmaster

USA
272 Posts

Posted - May 17 2004 :  11:34:18 AM  Show Profile  Reply with Quote
I wouldn't always trust the enum programs. When I used the tutorial one from Directx4vb, it said my voodoo3 could not support any lights, though I tried up to eight without error...

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VBBR
Moderator

Brazil
617 Posts

Posted - May 17 2004 :  12:48:47 PM  Show Profile  Reply with Quote
DX says my GeForce 2 doesn't support anti-aliasing... and in fact I can't set it up with either DX or OGL but in the video driver window I can set up to 4x anti-aliasing and it works fine then.

Whatever. Who knows...
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EACam
Warrior

154 Posts

Posted - May 17 2004 :  1:48:47 PM  Show Profile  Reply with Quote
I had the same problem with lights (MaxActiveLights = 0 ??? wha?)...but it worked on my friends comp(-1, unlimited)... I dunno.
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VBBR
Moderator

Brazil
617 Posts

Posted - May 17 2004 :  2:03:55 PM  Show Profile  Reply with Quote
Hey I think no video adapter today supports unlimited hardware lights. You must have used the reference rasterizer?

Whatever. Who knows...
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Sr. Guapo
Swordmaster

USA
272 Posts

Posted - May 17 2004 :  5:42:13 PM  Show Profile  Reply with Quote
No, my new card (Radeon 9200) says the same thing. I think it can support unlimited (or an incredibaly high number), just at a cost to processing speed. Which is a slight problem on my computer (500 MHz!)

Edited by - Sr. Guapo on May 17 2004 5:42:51 PM
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VBBR
Moderator

Brazil
617 Posts

Posted - May 17 2004 :  5:44:37 PM  Show Profile  Reply with Quote
If it costs speed on the CPU then the lights are spftware-based It may reduce the FPS dratically. (I mean, using too much lights)

Whatever. Who knows...
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EACam
Warrior

154 Posts

Posted - May 17 2004 :  7:36:04 PM  Show Profile  Reply with Quote
Well...anything will essentially cost speed on anything...so whether it does it on the CPU or not, it'll effect the FPS.
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Sr. Guapo
Swordmaster

USA
272 Posts

Posted - May 17 2004 :  8:52:20 PM  Show Profile  Reply with Quote
Believe me, even if you have the best graphics card in the world, a 500 MHz processor will hurt... It sucks. I want to save up for a laptop, but the one I want costs $6000!

PS - No, I will not compromise, 2 GB RAM is not too much... hehehe...
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masterbooda
Swordmaster

277 Posts

Posted - May 17 2004 :  10:33:18 PM  Show Profile  Visit masterbooda's Homepage  Reply with Quote
Don't feel bad Sr. Quapo, I'm running a geforce xfx 5200 128 mb onboard, in a 400mhz system, and it does kill the speed... the card may do all the math needed for graphics, but the system processer has to still be in play...

For example I have this demo I wrote in vb, I ran it on my brotherinlaw's computer which is a 1.6, same video card as mine... I was up to about 800fps.... On mine, 300fps.... It makes a big difference... unfortunately the card can be only as good as the system its in... sigh I miss my old computer...

DaBooda out...

DaBooda Team is back: http://dabooda.789mb.com/
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VBBR
Moderator

Brazil
617 Posts

Posted - May 18 2004 :  10:45:39 AM  Show Profile  Reply with Quote
I use a GeForce2 MX in an Athlon XP 1800 MHz... I guess the proccessor does the job here...

(altough I'm looking foward to a GeForce FX 5200...)

(hey just noticed I said "GeForce MX"... I meant "GeForce FX"... hehe sorry)

Whatever. Who knows...

Edited by - VBBR on May 18 2004 1:00:51 PM
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