[cffi-devel] OSX and (gl:get-integer :num-extensions)

[Luís Oliveira]

This is an OpenGL error, checked via glGetError(). I've Cc'ed cl-opengl's
mailing list to see if anyone can help there.

-- 
Luís Oliveira
http://kerno.org/~luis

(sent from my phone)
On Oct 24, 2013 9:14 AM, "Chris Bagley" <chris.bagley at gmail.com> wrote:

> I have two users for whom a call to (gl:get-integer :num-extensions)
> errors with:
> OpenGL signaled (1280 . iNVLID-ENUM) from GET-INTGER-V
>
> The only thing they both have in common it seems is OSX
> Here is copied from one of their slime error buffers.
>
> OpenGL signalled (1280 . INVALID-ENUM) from GET-INTEGER-V.
>    [Condition of type CL-OPENGL-BINDINGS:OPENGL-
> ERROR]
>
> Restarts:
>  0: [CONTINUE] Continue
>  1: [RETRY] Retry SLIME REPL evaluation request.
>  2: [*ABORT] Return to SLIME's top level.
>  3: [ABORT] Abort thread (#<THREAD "repl-thread" RUNNING {1003448023}>)
>
> Backtrace:
>   0: (CL-OPENGL-BINDINGS:CHECK-ERROR #<unavailable argument>)
>   1: (CL-OPENGL:GET-INTEGER :NUM-EXTENSIONS 1)
>   2: (CEPL::GET-GL-EXTENSIONS)
>   3: (CEPL::CEPL-POST-CONTEXT-INITIALIZE)
>   4: (CEPL:REPL 640 480)
>   5: (SB-INT:SIMPLE-EVAL-IN-LEXENV (CEPL:REPL) #<NULL-LEXENV>)
>   6: (EVAL (CEPL:REPL))
>   7: (SWANK::EVAL-REGION "(cepl:repl) ..)
>
> It seems from here
> https://developer.apple.com/library/mac/releasenotes/general/macosxlionapidiffs/OpenGL.htmlthat this enum was only added in OsX 10.7 (Lion) is that the most likely
> cause of the issue?
>
> Baggers
>
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