... I like the sound of the word 'ugh' - altough 'ick' is also becoming a personal favorite :-) ... Havn't we had that thread already? Basically,...
Steve Baker
sbaker@...
Nov 2, 1998 6:28 pm
8362
Hello, Yes, a box filter works. As with anything, though, there is always something better. It was pointed out to me that one can use a Fourier transform on...
David Lee
davidl@...
Nov 2, 1998 6:33 pm
8363
... OK, one more time. * glBuild2DMipmaps uses a box filter. That's a fancy way to say that it adds up four texels and divides by four. * The argument that...
Steve Baker
sbaker@...
Nov 2, 1998 6:41 pm
8364
... To ensure consistency across all OpenGL implementations, gluBuild2DMipmaps is required to use box filtering. It's possible to do better (in some ...
akin@...
Nov 2, 1998 6:54 pm
8365
... I think most of us who were involved in OpenGL in the early days would agree. The original texture border mechanism was an attempt to solve a couple of...
akin@...
Nov 2, 1998 7:33 pm
8366
But be advised that any FFT based filter method can be done with a linear filter. The linear filter corresponding to a FFT filter is obtained as the inverse...
Gil Gribb
ggribb@...
Nov 2, 1998 8:10 pm
8367
... Yes - but putting a one-texel border *into* the texture and then using GL_CLAMP solves most of those problems. ...still - hindsight is an overly precise...
Steve Baker
sbaker@...
Nov 2, 1998 8:23 pm
8368
... The card has an ATI 3D Rage Pro chipset. It's an 8MB AGP card. It doesn't have OpenGL support in the drivers, but at the same time...it's just a...
Ron Barbosa
rbarbosa@...
Nov 2, 1998 8:59 pm
8369
... Right now, I'm using a card based on the ATI 3d Rage Pro Turbo chipset. It's an 8MB AGP card. I run it in 800x600x15. The OpenGL driver for Win98 is...
Ron Barbosa
rbarbosa@...
Nov 2, 1998 9:02 pm
8370
... Unless you want hardware, which still isn't supported (or at least, no-one has thought to do any drivers...) - so probably best sticking to OpenGL.. (hey...
Jason G Doig
jase@...
Nov 2, 1998 9:03 pm
8371
... doesn't have OpenGL support in the drivers, but at the same time...it's just a rectangle. I'm running at 800x600x15. Nothing major. At that resolution...
Wilbur Streett
WStreett@...
Nov 2, 1998 9:22 pm
8372
OK, I'm convinced that I should use an FFT or at least a better linear filter for my mipmaps. However, I, like I'm sure most of the people on this list, have...
Benton Jackson
benton@...
Nov 2, 1998 9:43 pm
8373
Rainbow 6 is a Direct3D app, and the ATI 3D Rage Pro chipset does support accelerated Direct3D rendering. Hence, why it runs fast. Also, just for...
Ryan J. Stradling
stradlir@...
Nov 2, 1998 9:43 pm
8374
... True for some markets. People using video or digitized film as texture, on the other hand, can't always afford to lose information on the edges and don't...
akin@...
Nov 2, 1998 9:59 pm
8375
Hey Tom, I got (at least I'm pretty confident) the main viewport view frustum clipping working correctly. It was a logic bug. However, I am doing what I said...
Laurence Grant
lgrant@...
Nov 2, 1998 9:59 pm
8376
Here is how I think about it: Envision the "current" view volume as a 3D solid. Construct another solid, the "portal volume", as the space visible through and...
Gil Gribb
ggribb@...
Nov 2, 1998 10:54 pm
8377
... ??? 800x600 = 480,000, so even at 32bpp two pages would fit in less than 4MB, leaving all kinds of room for a Z-buffer, textures, etc. I wonder if the...
brent christopher spi...
spillner@...
Nov 2, 1998 11:31 pm
8378
... With 8MB he should be able to accellerate at 800x600x15bit, or is ATI 3D Rage Pro a bit special in this area, because I can accellerate up to...
Isaack "Geniue" Rasmu...
geniue@...
Nov 2, 1998 11:38 pm
8379
That's been discussed at length on the list.. I suggest that you check the archives or download the GLUT source and check out the examples.. Mainly, chaning...
Wilbur Streett
WStreett@...
Nov 3, 1998 2:04 am
8380
... OK, you ask for it. Here's how I do my matrix math: Every object has its own coordinate system, called the 'local coordinate system' (LCS). Off course, the...
Yohanes Yogi Wahyu P.
mandrake_@...
Nov 3, 1998 2:07 am
8381
Hello, I am trying to implement dynamic lightmaps, and I thought the best way to download a new texture is with glTexSubImage2D to "replace all or part of a ...
Hamilton Feltman
hamilton@...
Nov 3, 1998 2:54 am
8382
This could be considered advocacy, so I'll keep it short. :-) Those interested in an example of Microsoft tactics in forcing a competitor to abandon a market...
Jason L. Asbahr
jason@...
Nov 3, 1998 6:58 am
8383
... Well, to this group, he said 200x200 and to comp.graphics.api.opengl he said 100x100 - and *that* is a factor 48 which is more than enough to account for...
Steve Baker
sbaker@...
Nov 3, 1998 2:04 pm
8384
This probably doesn't interest a whole lot of you, but it's still nice to see that OpenGL is available for even more platforms ... -- Author: Rebecca...
Rebecca McFarland
RMcFarland@...
Nov 3, 1998 3:26 pm
8385
Hi Alex, The FireGL Pro uses an ICD - it's called 3DOGLDRV.DLL. Note that once you have an OpenGL context, you will have access to the extensions that are...
Phil Huxley
Phil.Huxley@...
Nov 3, 1998 4:22 pm
8386
Well, I'm having a bit of a strange problem. (i740 ICD). The problem is, my OpenGL window is resizable. How I resize it is I simply call glViewport and...
Jason Maskell
backov@...
Nov 3, 1998 5:07 pm
8387
Okay, I got some money to spend and I'm looking for a good OpenGL card. (development and gaming, not 3d design like Cad and stuff). I've heard some good...
Paul R Suszko
susz7857@...
Nov 3, 1998 5:21 pm
8388
Here's how I did a pick... this seems to work when the window is resized ok... I'm using glOrtho rather than gluPerspective, but maybe this will help... ...
Robert Taylor
r.taylor@...
Nov 3, 1998 5:53 pm
8389
I'm Looking for a good site for more info on MCD/ICD drivers.....help! -Suryan InXight Software Inc. -- Author: INET: stalin@... Fat City Network...
Suryan Stalin
stalin@...
Nov 3, 1998 6:31 pm
8390
Please excuse my previous post, I found the answer soon afterward. I was stupidly not selecting the projection matrix before my gluPerspective call. Works now....
