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| OpenGL version checking http://horde3d.org/forums/viewtopic.php?f=3&t=1163 |
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| Author: | attila [ 15.05.2010, 17:17 ] |
| Post subject: | OpenGL version checking |
In egRendererBase.cpp: Code: // Check that OpenGL 2.0 is available if( glExt::majorVersion < 2 || glExt::minorVersion < 0 ) { Modules::log().writeError( "OpenGL 2.0 not available" ); failed = true; } I think this checking is not correct. It causes no problem now becase minorVersion is never negative. But if it would look like this Code: if( glExt::majorVersion < 2 || glExt::minorVersion < 1 ) It would falsely tell that is not OpenGL2.1 support for 3.0 version. |
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| Author: | marciano [ 17.05.2010, 21:58 ] |
| Post subject: | Re: OpenGL version checking |
Thanks, you are right that a check for GL 2.1 would not work like that. The following should be ok: Code: if( glExt::majorVersion * 10 + glExt::minorVersion < 20 )
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