WHERE TO FIND OPENGL INFORMATION - (Bi-weekly posting) The Official OpenGL Site - News, downloads, tutorials, books & links:- http://www.opengl.org/ The...
Dominic Curran
dcurran@...
May 1, 2003 9:03 am
22373
... The 3dgamedev.com domain will most likely be disappearing soon. At one point, some people were looking into taking over the FAQ, but I haven't heard...
Tom Hubina
tomh@...
May 1, 2003 7:45 pm
22374
... I was running a new FAQ here: http://talika.eii.us.es/~titan/oglfaq/ I mentioned on the list that the above address should be updated, but recieved no...
Ignacio Castaño
castanyo@...
May 3, 2003 11:43 pm
22375
Hi All. Quick question, I have a simple win32 app, and all it does is draw a few triangles in different colour. When I run the mouse over the window, it ...
Matt Riches
aptt69@...
May 4, 2003 11:08 am
22376
2003 May 4th Sunday ... One solution is to not move your mouse over the window! But seriously, WHAT is flickering and sometimes disappearing? If the triangles...
Colin Fahey
cpfahey@...
May 5, 2003 3:50 am
22377
Heheh, there seems to be a case of misplaced modifiers in that sentence, I'm quite certain it's the *mouse* that he mean to say is flickering, not anything in...
Jimb Esser
esse0027@...
May 5, 2003 6:55 am
22378
Let me try to guess. ;-) You have a video card and/or driver which is a couple of years old. You're running Windows XP or 2K with antialiased mouse cursor, or...
Christian Laforte
claforte@...
May 5, 2003 2:12 pm
22379
OK, thanks toall of you for your replies. First of all, I am inexperienced with Open GL, (and graphics in general) so apologies if some of this is blindingly...
Matt Riches
aptt69@...
May 5, 2003 3:42 pm
22380
We use to see this all the time. We had to disable the pointer shadow in the Mouse Control Panel under the Pointers tab. By default, it is checked to be...
Scott Saad
scott.saad@...
May 5, 2003 3:46 pm
22381
... <snip> ... If you can afford it, I'd highly recommend the OpenGL Programming Guide (a.k.a. the "red book"). It covers all of OpenGL and is fairly well...
DMKeenan@...
May 5, 2003 5:22 pm
22382
Well, as to the previous responses where you go into the control panel and turn off the mouse shadow or anti-aliasing, IMO, is the incorrect approach. It will...
Kevin Bray
ebray99@...
May 5, 2003 5:46 pm
22383
Hi! I'm trying to render a luminance textured quad, multiplied with a constant color, additively. Can I do it with standard OpenGL? Am I insane? I just want to...
Santeri Hernejärvi
gray@...
May 5, 2003 8:27 pm
22384
Hi everyone, can someone explain to me, how can I create a bump map, that will distort environment map, like it was done in geforce_cubemap_embm example from...
Stanislav Blinov
kerry@...
May 5, 2003 8:52 pm
22385
... Yes. Texturing and blending are two separate things. Set your base color (or Material, if you're doing lighting) appropriately, the texture environment...
Andy Ross
andy@...
May 5, 2003 9:32 pm
22386
Well, as I understand your questions, you want to multiply a luminance texture by a constant and then add it to the color of a texture? If this is the case,...
Kevin Bray
ebray99@...
May 5, 2003 9:42 pm
22387
... Yes, if I understand your problem correctly, you can easily do it with OpenGL 1.2 (w/ texture combiners). Just set your frame buffer blending func to...
Christian Laforte
claforte@...
May 5, 2003 9:46 pm
22388
... If I understand you right, this unextended OpenGL code would do what you want: // first, enable one texture unit and disable the others // second, set your...
Jon Watte
hplus@...
May 5, 2003 9:59 pm
22389
If I use a signed texture format (like GL_DSDT_NV), then will the hardware automagically filter it correctly? Will SGIS_generate_mipmap also handle these...
Andras Balogh
bnd@...
May 6, 2003 10:07 am
22390
OK, this may be a newbie question, but can anyone explain to me why my glRotate () function would work sporadically ? My code is below. I am asking here as I...
Matt Riches
aptt69@...
May 6, 2003 10:54 am
22391
... [...] ... Whoa! That is just nutty! I'll just bite my lip and shut up... ... So don't press any keys! Seriously, though, what do you mean by "random"...
Colin Fahey
cpfahey@...
May 6, 2003 12:58 pm
22392
Sir I think ur matrixes are getting stacked on top of each other . so basically you would have to tell gl to load MODEL_VIEW matrix by ...
Mohit Bhatia
mohitb@...
May 6, 2003 1:18 pm
22393
... Ah. That makes sense, thanks! I thought I had tried that, but obviously not. ... Actually, I was trying to set it to GL_COLOR_MATRIX. Duh. .s ... FAQ...
Santeri Hernejärvi
gray@...
May 6, 2003 4:07 pm
22394
... I know that this is not a good way of working, but I wanted a quick and easy test. I know how big my array is to be of data (i'ts just 8 floats as coords...
Matt Riches
aptt69@...
May 6, 2003 6:12 pm
22395
Actually, the other replies were possibly more on the mark: since you're using a luminance texture, you don't need the combiners, you can simply use regular...
Christian Laforte
claforte@...
May 6, 2003 6:18 pm
22396
The way the sign expansion happens, all the filtering can still happen pre-expansion. A better question would be whether generate_mipmaps will do the right...
Jon Watte
hplus@...
May 6, 2003 7:25 pm
22397
... Just a guess, but is your "key press" the same as receiving a message that the key is down or the same as receiving a message that key has been released?...
Ismo Kärkkäinen
ismo.karkkainen@...
May 6, 2003 7:51 pm
22398
Do a search on kazaa (kazaa.com) for opengl books. Search for the blue book and the red book, and you'll find some more (search for "game programming" and...
mitea
mitea@...
May 6, 2003 8:49 pm
22399
I need to combine multiple depth buffers with depth test enabled. Something like this: 1. draw to depth buffer in multiple passes and different...
Grisha Spivak
_grisha@...
May 7, 2003 2:35 pm
22400
You can read at (2) and (5) in two buffers, compare and modify the values and write them back. Tweety mitea@... - tweety_04_01@... ...
mitea
mitea@...
May 7, 2003 8:14 pm
22401
... How can I compare values of two buffers? I also found what using pbuffers and wglMakeCurentReadEXT + glCopyPixels can do what I want, but I can't get it,...
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