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Index › Programming Questions & Help › Syntax Questions › Turning on OpenGL Vert Sync from the sketch
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Turning on OpenGL Vert Sync from the sketch (Read 367 times)
Ricard
Turning on OpenGL Vert Sync from the sketch
Jul 18th, 2006, 1:55pm  
Does anybody know how to enable Vert Sync from the sketch?

I need it to avoid the flickering that happens with some graphics cards that have the vertical sync disabled by default.  And I want to avoid having to ask the users to turn it on manually.

I know that in some OpenGL frameworks it's something like setSwapInterval(int) but I couldn't find this one in the jogl API, maybe I didn't look well enough.  Anyway I wouldn't know what number to set.  Any help would be great.

Thanks to all!
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Ricard
Re: Turning on OpenGL Vert Sync from the sketch
Reply #1 - Jul 18th, 2006, 2:01pm  
Found it!

Sorry for the post.  There actually is a function setSwapInterval(int) and it's called like this:

((PGraphicsGL)g).gl.setSwapInterval(1);

I put it in try catch statement just in case it's not supported (I think it's an optional OpenGL extension) or not in OpenGL render mode.

Now I'll just do a bit more research to see what value to pass to it in order to avoid the tearing effect.

thanks anyway
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