hello all...

what is the command that use in openGL to calculate the execution time of over all the program in opengl ???

thanks in advance

thanks for reply

Non of them .............. I need to apply the bresenham algorithm that calculate the pixels and draw it using glvertex3f command ....

The idea that in 3D there is many of free...

hello everybody....
when i need to draw line by one of line algorithms using glvertix3f , it seemed to be as number of points in a Straight line , but my problem is that there is many of free pixels...

but i used glut library in visual c++ 2008 , I think it differ .

thanks Mhagain for your quick response...
I have a difficulty with the projection that used in this function, because i tried to Plot 3D Points onto a 2D screen .
where the very useful and quick...

hello...
http://www.opengl-tutorial.org/beginners-tutorials/tutorial-7-model-loading/

may be this link help you.

hello everybody....
I have a problem in understand the internal function of { glVertex3f(x,y,z) } and how it is work ??
and can I enter the internal library of opengl to view how this function...

hello...
I have a question that how can i make a projection for (x,y,z) => (x,y) manualy, using mathematic equations, to represent { glVertex3f(x,y,z) } function in 2D world using glvertex2f(x,y)...