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AppGameKit Classic Chat / Question about error "Uncaught Exception: Choose format failed" with AGK & old processor.

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nickele upgraded
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Joined: 20th Dec 2013
Location: Birthplace of Democracy
Posted: 24th Apr 2017 16:33
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I am trying to execute an AppGameKit compiled file in an old Dell laptop, but I get the error message: "Uncaught Exception: Choose format failed".

I suspect it has to do with the laptop's old processor (core2duo) not correctly supporting OpenGL2 -although I installed the latest drivers from Intel, and the company stating in the official specs that its CPU supports upto opengl3.2.

has anyone else experienced this error before? Should I try compiling in an older AppGameKit version? Or is it just a hardware limitation and nothing else can be done?
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Paul Johnston
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Joined: 16th Nov 2002
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Posted: 26th Apr 2017 14:10
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"Choose Format Failed" means it couldn't supply an OpenGL 2 back buffer with at least 32bit color and 24bit depth. Is the desktop set to 32bit color?
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nickele upgraded
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Posted: 26th Apr 2017 16:25
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Yes, the desktop is indeed in 32 bit color.

A quick google search in the internet and various forums revealed that some core2duo cpus where supporting (upto) opengl 3 only in specs, as Intel failed to provide drivers that supported opengl versions grater than 1.x. I don't know if this is the issue or if it is that the laptop uses the Vista os.
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Paul Johnston
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Posted: 28th Apr 2017 14:31
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I recall something similar on old Intel integrated GPUs where Linux had OpenGL drivers for the full capabilities of the card, but the Windows drivers were limited it to OpenGL 1.4, so that may be the case here.
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