Just adding
unsigned int vao = 0;
glGenVertexArrays(1,&vao);
glBindVertexArray(vao);

Fixed the problem thanks.

I was drawing with glDrawArrays and I am not using a VAO should I create a VAO and use that to fix this? I'm going to give it a try.

When I create a core profile with with catalyst 10.3 glVertexAttribPointer method fails with GL_INVALID_OPERATION.
If i change the context creationg attribs to this :
int attribs[] =
{...

I hope we get some information in january.
I'm tired of visiting opengl.org each day and finding nothing about OGL3.0.No newsletter no announcement nothing.It's well a little disappointing but I'll...

yes yes the problem is with the ati drivers
3.7 i uninstalled them and installed 3.5 both the display driver and the control panel.then from the control panel increased the quality of OGL textures ...

well this topic is old but anyways..
that is a problem of the ATI drivers I believe thats true.I have a radeon gfx card too and it was showing the 32bit tgas correctly but after i installed the...

So i need to set color depth to 32 and what about the stencil bit??Does that matter much?

hmmmm anyone have any idea why stencil buffer might be slow??I tried it with 16,8,4,2,1 bits but its always slow like hell.My comp is a p4 1.4 with a gforce 2mx 400 64 ram and 256 mgs of memory O_o....

glEnable(GL_COLOR_MATERIAL);
did u use this??

Ortho Mode????THen you will have 800x600 pixels on the screeen and you can use glVertex2i(0,0);
glVertex2i(800,0);
glVertex2i(800,600);
glVertex2i(0,600);

To put a image O_o

I am coding a game which uses volumetric fog with vertex arrays it is running on my computer.I have a gforce2 mx 400 64 mg.But my friend cant run it with a gforce mx 100 32 mg we have installed the...