WHERE TO FIND OPENGL INFORMATION - (Bi-weekly posting) The Official OpenGL Site - News, downloads, tutorials, books & links:- http://www.opengl.org/ The...
20508
jeffrey Rainy
jrainy@...
May 1, 2002 5:59 pm
I'm using glClear( )with glViewport( ), in an attempt to clear a viewport of my OpenGL Window. I expected the cleared region to be limited to the specified...
20509
Cass Everitt
CEveritt@...
May 1, 2002 6:25 pm
[2nd attempt at sending this...] Jeff, glViewport() sets the mapping of vertices from normalized device coordinates (in the [-1,1] range) to window...
20510
Leigh McRae
leigh.mcrae@...
May 1, 2002 6:25 pm
I think glScissor effect clears. Leigh McRae ... To: "Multiple recipients of list OPENGL-GAMEDEV-L" <OPENGL-GAMEDEV-L@...> Sent: Wednesday, May 01,...
20511
Cem UZUNLAR
cemuzunlar@...
May 1, 2002 6:54 pm
Use glScissor to limit the area... ... 3TE Games Cem UZUNLAR http://3tegames.com cemuzunlar@... ... Rainy Sent: 01 Mayıs 2002 Çarşamba 21:19 To:...
20512
Sean O'Connell
oconnellseanm@...
May 1, 2002 11:41 pm
You have to use glScissor() function and enable it to make the window only clear the specified viewport. ... Do You Yahoo!? Yahoo! Health - your guide to...
20513
Marco
rosso28_8@...
May 3, 2002 12:25 pm
Hi! I'm a newby. I want to ask about edge antialias for a 3D model. Now I'm doing it this way: - I set the backface as lines, the lines width at 1.5, line...
20514
Jay Patel
Jpatel@...
May 4, 2002 5:38 am
Hi all, glLockArrays is reporting an error (invalid operation) but I can't tell what it's having a problem with. This is on multiple video cards, and platforms...
20515
Volker Poplawski
poplawsk@...
May 4, 2002 11:13 am
Hi all, i'm playing around with OpenGl trying to render terrain. I've read quite a lot stuff on the net how to organize your data for performance issues. ...
20516
Steffen Higel
higels@...
May 4, 2002 1:15 pm
... I ran into a similar problem a while back. I didn't find a nice solution so you can stop reading here if you want :-) I wanted to convert the terrain demo...
20517
David Durant
ddurant@...
May 4, 2002 4:00 pm
As a matter of fact, I'm working on this exact problem this weekend. However, I'm working in DirectX. I'm sure it wouldn't be too hard to convert it to ...
20518
Jon Watte
hplus@...
May 4, 2002 4:02 pm
... A terrain should strip very well, assuming it doesn't have lots of jagged edges and texture discontinuities. Typical texture engines create one texture per...
20519
Evan Hart
ehart@...
May 4, 2002 5:31 pm
Are you getting the error right after the lock arrays call? glGetError(); //finds none glLockArraysEXT(); glGetError(); //Invalid operation If this is indeed...
20520
Volker Poplawski
poplawsk@...
May 4, 2002 9:03 pm
... Could you be a bit more detailed about that point. I can't think of any way (at least to my OpenGL knowledge) of having separated normals etc and still...
20521
Jay Patel
Jpatel@...
May 4, 2002 9:54 pm
Nice catch Evan. JMS thanks for your reply as well. Jay ... Sent: Saturday, May 04, 2002 11:08 AM To: Multiple recipients of list OPENGL-GAMEDEV-L Are you...
20522
Jon Watte
hplus@...
May 4, 2002 11:28 pm
... I'm assuming DrawElements() and that each strip in your strip direction can actually be rendered as a strip. If there isn't even sharing between successive...
20523
Manny
manny@...
May 6, 2002 8:21 pm
It's been ages since I messed with either of those... but I seem to recall using at least a 512x512 with both. The only trouble I can recall with larger...
20524
Jesse Laeuchli
jesse@...
May 6, 2002 8:23 pm
Dear all, I'm working a program that really really needs to have textures bigger then 256x256. If i use the M$ or the SGI software implemention of opengl will...
20525
Pacôme DANHIEZ
p.danhiez@...
May 6, 2002 8:32 pm
Hi, the maximum texture size is hardware dependent. For example, on a Voodoo1 the maximum is 256x256, and on a GeForce2 the maximum is 2048x2048. So, you...
20526
Mikael Alfredsson
Mikael@...
May 6, 2002 8:37 pm
i think it's only the early voodoo series that had that limitation.. you can query the size via glGetInteger(GL_MAX_TEXTURE_SIZE,variable); ... From: Jesse...
20527
Miserocchi, Nathan
NPMiserocchi@...
May 6, 2002 8:52 pm
Software implementation texture limit is 1024 x 1024. Hardware varies. You can force software rendering when you select pixel format if you need to. Some...
20528
zed
siegfrieds_tod@...
May 7, 2002 3:16 am
beware though the maximum size reported depends on the image type eg IIRC my vanta reports back 2048x2048 but i cant use RGBA sized textures that big only...
20529
Daniel Vogel
vogel@...
May 7, 2002 4:24 am
Also keep in mind that even though 2048x2048 might be supported there are PCI cards out there that can't fit two of this size in video memory and therefore a...
20530
Jesse Laeuchli
jesse@...
May 7, 2002 6:35 pm
Sorry, but which pixel format do I select to force software? ... To: "Multiple recipients of list OPENGL-GAMEDEV-L" <OPENGL-GAMEDEV-L@...> Sent:...
20531
Miserocchi, Nathan
NPMiserocchi@...
May 7, 2002 7:16 pm
It's in here. See the InitRenderingContext method. int ChoosePixelFormatEx(HDC hdc,int *p_bpp,int *p_depth,int *p_dbl,int *p_acc) { int wbpp; if (p_bpp==NULL)...
20532
Ignacio Castaño
castanyo@...
May 7, 2002 11:28 pm
I've been writting a new FAQ in my free time. It's actually hosted here: http://talika.eii.us.es/~titan/ogl/faq/ It's in html format instead of plain text,...
20533
Jesse Laeuchli
jesse@...
May 9, 2002 4:55 pm
Hey, Thanks for the info. However, when I tried to set the pfd.dwFlags to PFD_GENERIC_FORMAT, it failed to function correctly on a voodoo card. Can you not...
20534
Miserocchi, Nathan
NPMiserocchi@...
May 9, 2002 5:17 pm
Sorry, I don't know -- never played with a voodoo card. -Nathan ... Sent: Thursday, May 09, 2002 1:47 PM To: Multiple recipients of list OPENGL-GAMEDEV-L Hey, ...
20535
Andras Balogh
bandi@...
May 9, 2002 6:16 pm
Hi! I have to write a simulation that runs in software on old machines (~P200MMX), so I thought, I'd use total wireframe rendering (using GL_LINES, not...
20536
Viet-Tam Luu
gl_geek@...
May 9, 2002 7:27 pm
Is your viewport the same size in both windows? If not--it's the full size of the window--you're going to burn more CPU cycles just doing the clear(s) of your...
