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04.15.2008 at 09:25PM PDT, ID: 23325979
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6.6

OpenGL texture mapping problem

Asked by lzha022 in OpenGL Graphics & Game Programming

Tags:

Hello experts,
I do not know much about OpenGL, but i need to fix this bug (code written by someone else).
When two canvas windows  opened at the same time, the image display does not work properly. Sometimes, the whole canvas becomes black or green or red...
I think might be related to the call glGenTextures(1, &textureID) - the main windows mixed the textureID in the two cavas windows. But the code related to this part is like this
        if(!glIsTexture(textureId))
          glGenTextures(1,&textureId);
Looks like the above code will make sure the textureID be unique, is it?
Any other idea why this problem happens?

Thanks.
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[+][-]04.16.2008 at 09:55PM PDT, ID: 21374268

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[+][-]04.17.2008 at 09:48PM PDT, ID: 21383374

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Zone: OpenGL Graphics & Game Programming
Tags: OpenGL
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Solution Provided By: ikework
Participating Experts: 1
Solution Grade: B
 
 
[+][-]04.17.2008 at 09:51PM PDT, ID: 21383384

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