I am having a problem that resembles the one about the slow app posted earlier. I made a simple engine using Open GL. It worked fine on my computer (Intel Celeron 1.1ghz, 128 mgs ram, WinXP). Then i sent it to a friend of mine who has a p4 1.8ghz geforce3 32mgs 256megs of ram and it went slow as heck. Then i tried it out on a amd duron 700 64 megs of ram win ME and Nvidia TNT2 vanta w/8 megs of ram. And it worked fine.....Why could this be.

make sure he has the latest drivers for his video card.


"I pity the fool, thug, or soul who tries to take over the world, then goes home crying to his momma."
- Mr. T

as i stated in the other post, the way you setup the pixelformat could be the problem ( color depth, z-depth, stencil bits). it would be best to test the program with all different pixelformat setups.

sorry if that doesn''t help you

What exactly do you mean by "slow as heck"?

Did it run in like 1-5 fps? If so, then it was most likely software mode, menaing that he probably didn''t have OpenGL drivers installed correctly or you selected a PixelFormat that wasn''t accelerated in his driver.

If he got like 60/75/85/etc fps, then it was most likely a vsync think. Simply disable vsync (in the control panel -> display settings) before running your program and you should see the ''real'' framerate.

If none of the above applies: please give some more information; "slow as heck" isn''t too descriptive.