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AppGameKit Classic Chat / Open GL error - v1088 shader error

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nz0
AGK Developer
16
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Joined: 13th Jun 2007
Location: Cheshire,UK
Posted: 19th Mar 2013 09:38
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Got this error:

Failed to load OpenGL extension glCreateShader

What causes this?

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Paul Johnston
TGC Developer
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Joined: 16th Nov 2002
Location: United Kingdom
Posted: 19th Mar 2013 16:30
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It means your graphics card may not support OpenGL 2.0, check if there is a driver update for your card.
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nz0
AGK Developer
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Location: Cheshire,UK
Posted: 20th Mar 2013 02:45
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Well, it's not mine, it's a tester.
Is there a way to return / check the OGL version in code?

I would have thought OGL2.0 was pretty standard these days?

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Ancient Lady
Valued Member
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Joined: 17th Mar 2004
Location: Anchorage, Alaska, USA
Posted: 20th Mar 2013 03:31
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Quote: "I would have thought OGL2.0 was pretty standard these days?"

Not necessarily, some older devices may only of OGL 1.0, and even older ones might not have OGL at all.

And not everyone keeps everything completely up to date.

There is an app for Android named GLESView or GLView (the app name says one thing and the icon another). Search for 'OpenGL Extensions Viewer' in Google Play. It will tell you if OGL is installed, the version and what extensions are supported.

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Ancient Lady
AGK Community Tester and AppGameKit Master
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nz0
AGK Developer
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Posted: 20th Mar 2013 03:33
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I was thinking more for PC when I said it should be pretty standard..

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xCept
21
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Joined: 15th Dec 2002
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Posted: 20th Mar 2013 07:21 Edited at: 20th Mar 2013 07:22
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Some integrated video cards (notably Intel's line) may only support OpenGL 1.0. Others support it but not unless the user updates their video card drivers instead of using the default drivers Windows loads.
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Ancient Lady
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Posted: 20th Mar 2013 15:10
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You can download a Windows or Mac version of OpenGL Extensions Viewer from this page.

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Ancient Lady
AGK Community Tester and AppGameKit Master
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nz0
AGK Developer
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Posted: 5th Apr 2013 03:45
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What is the minimum vs / ps shader level supported and is there a way to check for it?

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