I have an app that does the following: It draws a quad or cube (6 quads) in 3-D space. As the user moves the objects around in space, it may fall in areas...
23477
Olof Bjarnason
objarni@...
Jun 21, 2004 7:41 pm
I'm not entirely sure I understand the issue, but maybe the command glDepthMask(GL_FALSE) which turnes off depth buffer writes (not the test itself) may be of...
23478
Stephen J Baker
sjbaker@...
Jun 21, 2004 8:04 pm
... That doesn't help...see below. ... I have a FAQ for this: http://www.sjbaker.org/steve/omniv/alpha_sorting.html ... The second law of Frisbee throwing...
23479
Olof Bjarnason
objarni@...
Jun 21, 2004 8:30 pm
Cool text! I didn't know the depth-sorting was that hard to perform (haven't yet impl. as mentioned..) Guess I'll stick to my additive blending as much as...
23480
CAVEY GERARD
GERARD.CAVEY@...
Jun 22, 2004 9:41 am
Hi I just read few words in lastest catalyst releases notes that speak about Improvements in OpenGL driver efficiency ? Another article speak about rotation...
23481
Mohsin Hassan
mohsin.hasan@...
Jun 22, 2004 12:01 pm
If someone from ATI or 3DLabs has a minute, could you also give us a release date for Rendermonkey with GLSL support? Thanks, Mohsin ... CAVEY GERARD Sent:...
23482
CAVEY GERARD
GERARD.CAVEY@...
Jun 22, 2004 12:28 pm
here s a cool tool i found recently for GLSL dev http://www.typhoonlabs.com/ :OGL shader designer Maybe you could give it a try ? GC. ... De : Mohsin Hassan...
23483
Brubaker, Pete
PBrubaker@...
Jun 22, 2004 4:41 pm
You can actually obtain it by e-mailing someone at 3dlabs. They will give you a log-in for an FTP. What I'm most concerned about is the GLSL performance....
23484
CAVEY GERARD
GERARD.CAVEY@...
Jun 23, 2004 8:01 am
... What hardware are you using?And what driver ? GC. ************************************************************************* Ce message et toutes les pieces...
23485
Andras Balogh
bnd@...
Jun 23, 2004 8:35 am
I have used VBOs for rendering dynamic geometry with great results in the past, and until now I thought they were really great, and even superior to VAR,...
23486
Tristan Lorach
TLorach@...
Jun 24, 2004 9:31 am
Andras, I am not sure to have caught every single details of what you mentioned. However I think yes VBO can do what you want. The solution may be in what we...
23487
Sam McGrath
offset@...
Jun 24, 2004 4:20 pm
The approach I used when programming Savage was to use one buffer object for all streaming data. This is the preferred / recommended use of VBO. Just call...
23488
Dan Partelly
dan_partelly@...
Jun 24, 2004 5:25 pm
Actually, I got better performance calling glBindBufferArb() gllBufferDataArb(NULL); glBufferDataArb(newdata); then using glBindBufferArb() ...
23489
Andras Balogh
bnd@...
Jun 25, 2004 2:03 am
Hey Tristan, This is exactly what I needed! I didn't know about this "orphaning" technique. Now I'm convinced that VBOs are (in theory at least :) waay ...
23490
Dan Partelly
dan_partelly@...
Jun 25, 2004 12:06 pm
I assume your data still fits into a known minimum and maximum size range. In this case, write a cache for dynamic VBO memory, holding n lines, each line...
23491
Andras Balogh
bnd@...
Jun 25, 2004 5:58 pm
Yes, I could do that (and I would only need two blocks with the same size, so I could double buffer), but it's really not the way it's supposed to be. I mean,...
23492
TLorach@...
Jun 27, 2004 11:39 am
23493
Donny Viszneki
smxrk@...
Jun 27, 2004 5:36 pm
Hello all, I'm new to the list, it was recommended to me when I asked another list I discuss many things on (sdl@...) for a good OpenGL mailing list. ...
23494
Stanislav Blinov
kerry@...
Jun 27, 2004 6:32 pm
Checkout http://openscenegraph.org . OSG library have an ability to render TTFs. ... FAQ and OpenGL Resources at: ...
23495
Andras Balogh
bnd@...
Jun 27, 2004 10:26 pm
If you're on Windows, you should take a look at wglUseFontOutlines. This function can create displaylists for each letter of a given font. You can even have it...
23496
Donny Viszneki
smxrk@...
Jun 28, 2004 4:41 am
... Wow, that's much more functionality than I had wanted, but I'm very grateful for it! Thank you! __________________________________ Do you Yahoo!? Yahoo!...
23497
Donny Viszneki
smxrk@...
Jun 28, 2004 4:50 am
... Thanks for your suggestion, and I read coming in here that most of you folks use Windows (that seems to be the case with every OpenGL community I see)...
23498
Andras Balogh
bnd@...
Jun 28, 2004 5:30 am
OpenGL being cross-platform means that we should not use it under Windows?? What kind of logic is that? Also, there are some things, that are inherently...
23499
Donny Viszneki
smxrk@...
Jun 28, 2004 9:06 am
... You really misunderstood me. I was saying that the primary advantage of OpenGL is its portability, so if you're creating a platform-specific application on...
23500
Sam McGrath
offset@...
Jun 28, 2004 11:56 am
If you're willing to do a bit of work to get it working in OpenGL, FreeType is a great cross-platform font library. http://www.freetype.org/ You will need to...
23501
Andras Balogh
bnd@...
Jun 28, 2004 5:45 pm
Okay, I just wanted to help, so I told you, what I knew about the subject. I only knew the Windows solution (which is an easy and a lightweight one), sorry...
23502
Stephen J Baker
sjbaker@...
Jun 29, 2004 2:02 pm
... Here is a FAQ that might help you: http://www.sjbaker.org/steve/omniv/opengl_text.html ... The second law of Frisbee throwing states: "Never precede any...
23503
Donny Viszneki
smxrk@...
Jun 30, 2004 8:31 am
Wow! Thanks Sam! This is exactly the kind of thing I was considering writing myself but it would have taken quite a while because I would have had to have...
23504
Donny Viszneki
smxrk@...
Jun 30, 2004 10:12 am
Thanks for that page, it was very thorough, and a couple of months ago would have taught me some new things. One thing I didn't know is that GLUT has font ...
23505
Sam McGrath
offset@...
Jun 30, 2004 10:28 am
I believe I googled "freetype opengl", already having prior knowledge about the freetype library (we used it to render fonts in Savage). Sam McGrath ...
