This is for a Level of Detail system. I would like to be able to render a planet (and have many planets in the system) with an accuracy of about 1M. The planets are from real data, not made up......

I'm not sure of what the directX geometry shaders are. I do see the usefullness in having some control over which verticies are sent to the vertex shaders. If you store your mesh as a big grid, and...

I understand what VBO's are. Let me explain why this would be good. If you are sending your data in a vbo array then you can also send lots of information in the implied structure of the array...

Is there any way to get the current index from within the vertex shader?

as a simple example:

say we have an array with 8 values.
float vboarray[8]

These get passed to gl as a vbo array. ...

The low end NVidia cards are the best bet. I've seen them in fry's for about $40 (NVidia 5200).

ATI has comparable HW/Price, but the drivers currently stink.

Well, yes, as far as I know, the NVidia drivers are the best performing, but I personally don't believe that it is the DRI component that makes them the best. I believe that it's the hardware, and...

OpenGL is used in aircraft cockpit displays, you might want to start there..

DRI is the default method of writing 3d drivers for Linux. What other method is available?

NVidia's hw/driver does perform very well, but only NVidia has access to the code, and only NVidia can...

No default?

For 3D graphics the default is OpenGL. For OpenGL bring-up, he default is GLX. DRI is not seen from the graphics developer's standpoint, only from the driver developer, and person...

OpenGL in X is the much better supported platform. Accelerated drivers (open source, and binary) are available for X.

If you're worring about performance, I would stay with X, as you won't get it...

I have been working with ES lately, and have noticed something a little painful.

I have had to do porting work to OpenGL applications because the ES API is not a subset of OpenGL. Functionality...

SDL is basicly just a bunch of helper libraries, and utilities. Many people have contributied their own utilities to it, so it is grown into being a handy toolkit.

You still have to write your...

The Old install problem is back,

Some gl libraries are left not pointing to the NVidia ones on amd64 systems.

The GL libs in this directory have to
be redone to point to the NVidia ones:
...

you can do this by setting your "DISPLAY" environment variable. If you have two X servers on localhost, and want to display your GL app on the first then do this:

export DISPLAY=localhost:0; ...

It's out Hoohoo!

GLSlang support..

OpenGL is a cross-platform library. For the different platforms, ie windows vs linux, you will need to recompile the code but with a few simple porting fixes. You should be fine with which ever...

Looks like your opengl environment is not setup in X.

You will now have to walk down the path of geting OpenGL working with X.

You will have to do different things depending on which graphics...

pb?

In the SDK there are some GL demos. You can look at these. ie $(QTDIR)/examples/gear

NVidia? ATI? anyone out there?

I know that I saw a working glslang beta of the ati drivers at the last siggraph...

Has anyone heard of any hardware support for glslang in Linux?

I just got the OpenGL orange book (shading language), and I'd like to use it with Linux...

What frame rate do you get in glxgears?

If it's in the thousands, then your NVidia OpenGL driver is working fine. -- This means that there is something wrong with the SDL glxinfo.

also try...

Two things:

First thing:
looking at your glxinfo results, it seems tha t your system is using Mesa for OpenGL.

Did you update your XF86Config file in /etc/X11 ?

Your X server may still...

I guess it depends on your definition of a widget http://www.opengl.org/discussion_boards/ubb/smile.gif
http://doc.trolltech.com/2.3/qpopupmenu.html

In this case the popup menu inherits from...

How much GUI do you need?

If you need the minimal amount, just an OpenGL window then you can use glut. glut is a little dated, and I'm not sure how many are using it right now. I still use it as I...