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Wednesday, April 23rd 2008, 8:29am

using OpenGL extensions

I explore QT OpenGL examples.
Examples, which are using pbuffer, framebuffer not working.
Program reports, that these extensions are not present on my computer.

i have new computer with video card of motherboard Intel DQ965GF.
why these extensions are not supported on my computer?
is it possible somehow to enable them?

if i write commercial OpenGL application, can i use these extensions?
what program must do, if client's computer does not support these extensions?
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Messenger

Intermediate

Posts: 325

Location: Lt

2

Wednesday, April 23rd 2008, 10:14am

RE: using OpenGL extensions

mobo graphic cards usually are cheap and not supports advanced features.
as you see gma 3000 supports only opengl 1.4 and dx 9.
http://www.intel.com/products/motherboard/dq965gf/index.htm
vga - gma 3000
http://en.wikipedia.org/wiki/Intel_GMA#T…es_and_chipsets
Buy cheapest card which support opengl 2.

Maybe there is a crutch. Search intel sites.

>>if i write commercial OpenGL application, can i use these extensions?
Only if target machine supports these extensions.

Just compiled Mesa, well, looks like supports software opengl 2.1 rendering, shaders. But it is, well, not work well with some samples from a book and is slow, sometimes so slow and something are still unsupported.
Fighting fire with fire.

This post has been edited 2 times, last edit by "Messenger" (Apr 23rd 2008, 2:26pm)

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