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@...
Feb 1, 2002 10:29 am
19883
if you blend (gl_One,gl_One) the black parts wont be in the scene but the best way is to make an alpha layer and blent with that. ... From: R & Sam le Pirate ...
Mikael Alfredsson
Mikael@...
Feb 1, 2002 10:35 am
19884
thx but i found that glBlendFunc(GL_SRC_COLOR, GL_DST_ALPHA); work great for me, the black is blended. ... From: Mikael Alfredsson To: Multiple recipients of...
R & Sam le Pirate
rhts@...
Feb 1, 2002 11:41 am
19885
Hi guys I've just read about the GL_HP_occlusion extension and I'm left wondering if only the GF3 has this extension available,since my GF2 with the latest ...
Evil Kosh
evil_kosh_uk@...
Feb 2, 2002 1:30 pm
19886
Hi, Thanks for all the help on the Nurbs Vs. Ploygonal Models. I really appreciate it. I have some other questions about finding resources: 1) I wanted to add...
Umesh Persad
upersad@...
Feb 2, 2002 4:59 pm
19887
I think this extension enables the use of a Z-pyramid, so the test is not only "one" test, but successives tests along the different stages of the pyramid (the...
P Danhiez
p.danhiez@...
Feb 2, 2002 5:54 pm
19888
... It's not very hard implementing recording functions, so I suggest you better do this yourself than using 3rd party software (btw. I don't know any good...
Janmartin Jahn
spam@...
Feb 2, 2002 7:11 pm
19889
thx but i found that glBlendFunc(GL_SRC_COLOR, GL_DST_ALPHA); work great for me, the black is blended. the problem with that is yes the black is totally...
zed
siegfrieds_tod@...
Feb 2, 2002 8:46 pm
19890
Thanks. The thing is I wanted to be able to export the video of my application in action because I have to demonstrate it to my supervisor as my project ...
Umesh Persad
upersad@...
Feb 2, 2002 10:15 pm
19891
in fact i can't because i want to use the blending for my avi texture, so it's video and i can't dynamically set the alpha channel on read frame. but it's a...
R & Sam le Pirate
rhts@...
Feb 3, 2002 12:14 am
19892
Hi, I'm trying to write an interface to allow the user to fly around in a model. My interface uses the mouse for freelook by modifying phi and theta, and...
Jason Freund
freund@...
Feb 3, 2002 12:30 am
19893
I think you should be able to capture the video in real-time. You need to copy the framebuffer or render your scene to a texture for every frame of your video,...
Janmartin Jahn
spam@...
Feb 3, 2002 2:43 pm
19894
... Well, there is a way to achieve what you want. No coding effort required, you only need some video equipment. If your graphics card has video-out, enable...
notnot@...
Feb 3, 2002 3:01 pm
19895
Hi, Looking at OpenGL v2.0 I've been thinking about how much programmability we're likely to get in the future (after OGL2 ;-)? I mean it seems like in order...
Andras Balogh
bandi@...
Feb 3, 2002 3:58 pm
19896
Hi Bandi, ... Well I suppose the way it's going, you'll have a secondary CPU in your system, responsible for graphics, think of a dedicated graphics cpu, just ...
Evil Kosh
evil_kosh_uk@...
Feb 3, 2002 6:12 pm
19897
... I believe current GPUs are not turing equivalents, though. Specifically, I believe they consist of, pretty much, a wide, deep, VLIW-like pipeline with no...
Jon Watte
hplus@...
Feb 3, 2002 7:04 pm
19898
Showing that I, too, can have a career as loose-leaf fastener, I believe you can efficiently allow a loop counter of 0 if you have a predication bit. Now,...
Jon Watte
hplus@...
Feb 3, 2002 8:32 pm
19899
(The nvidia op codes remind me of programming apple ][ machine code.) Today we code specific to the hardware. But the big push is for a coding standard....
jim@...
Feb 3, 2002 9:46 pm
19900
Hardware is not currently in a spot where a general purpose (turing equivalent) language will be useful, or even meaningful. I don't think pixel or vertex...
Jon Watte
hplus@...
Feb 4, 2002 12:29 am
19901
... Well actually, Conway's Life has been implemented in pixel shaders and turing machines have been implemented in Life. So theoretically they are. I bet a...
Neil Graham
lerc@...
Feb 4, 2002 3:24 am
19902
I don't count these, because they still don't get around the maximum limitation of 128 instructions per vertex. As long as there is no looping, and no...
Jon Watte
hplus@...
Feb 4, 2002 4:57 am
19903
Any fast, simple, compatible method for rendering to a texture? I don't have a card supporting render_texture extension... Gabriel ... FAQ and OpenGL Resources...
Gabriel Maldonado
g.maldonado@...
Feb 4, 2002 8:44 am
19904
Hi, ... I've no idea how the hardware really does this, but a Z buffer pyramid should make the test a lot more efficient, I guess (think of the Z pyramid as a...
Tom Nuydens
t.nuydens@...
Feb 4, 2002 11:01 am
19905
I think it's much easier, the occlusion test doesn't need a readback, it's probably implemented using a register in the card or something like that, so that if...
Ignacio Castano
castanyo@...
Feb 4, 2002 3:25 pm
19906
... Some of the work I'm doing right now *relies* on having predication in the pixel pipeline. I'm also dubious of the feasibility of general branching...
Alex Mohr
amohr@...
Feb 4, 2002 5:29 pm
19907
... Good luck getting functional drivers with this feature! :) Gary ... FAQ and OpenGL Resources at: http://www.geocities.com/SiliconValley/Hills/9956/OpenGL ...
Gary McTaggart
gary@...
Feb 4, 2002 5:38 pm
19908
... Yes, predication is part of a single-flow pipeline model. Forward branches are computationally equivalent to predication, but would still complicate the...
Jon Watte
hplus@...
Feb 4, 2002 6:46 pm
19909
Hi Tom, ... So I guess the logical direction for your next stage, if you plan to do one, is to try it using glDrawArrays or glDrawElement and see if it is ...
Evil Kosh
evil_kosh_uk@...
Feb 5, 2002 8:02 am
19910
Hi Ignacio, ... This is the way I understood it would work, it would disable the actual altering of the z-buffer and whenever the z-buffer is altered a ...
Evil Kosh
evil_kosh_uk@...
Feb 5, 2002 8:18 am
19911
I'm looking to implement a shader system (in the style of something like what is in quake3) in my engine, and I'd figure ask for some input before I jump off...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
