glClearColor not found on some machine, some CL system

[Rujia Liu]

great! I'll give it a try.

BTW: Is there a binding for cgGL? Before you told me this, I've already
moved on by wrapping my OpenGL calls in C functions and call them in Common
Lisp via CFFI. It worked for both SBCL and CCL until I added cg support.
After that CCL compaint "invalid profile type" and the image is exactly the
one without the cg shader. So it would be very helpful if there is a
well-written cg binding for cl-opengl.

- Rujia



On Fri, Oct 4, 2013 at 7:38 PM, Bart Botta <00003b at gmail.com> wrote:

> Sounds like https://github.com/3b/cl-opengl/issues/42 which is fixed
> in the git repo at https://github.com/3b/cl-opengl and should be in
> next quicklisp update.
>
> On Fri, Oct 4, 2013 at 4:39 AM, Rujia Liu <rujia.liu at gmail.com> wrote:
> > I've tested on 3 other machines. 2 with OpenGL 2.1 and 2 with OpenGL 4.3
> >
> > It seems that OpenGL 2.1 machines can run SBCL executable while OpenGL
> 4.3
> > cannot. But on all machines ccl executable cannot run.
> >
> > I don't think glClearColor has changed between OpenGL 2.1 and OpenGL 4.3,
> > from the latest reference:
> >
> > http://www.opengl.org/sdk/docs/man/xhtml/glClearColor.xml
> >
> > So I'm confused. Any help would be appreciated. Thanks!!!
> >
> > - Rujia
> >
> >
> > On Fri, Oct 4, 2013 at 5:26 PM, Rujia Liu <rujia.liu at gmail.com> wrote:
> >>
> >> Hi!
> >>
> >> I'm new to cl-opengl and was reading this tutorial:
> >>
> >>
> >>
> http://nklein.com/2010/06/nehe-tutorial-02-drawing-triangles-and-quadrilaterals/
> >>
> >> I've downloaded tut02.lisp, but have trouble running it.
> >>
> >> On my machine, ccl 1.6 (windows XP, 32 bit, OpenGL 1.5) gives:
> >>
> >> ; Warning: Don't know how to setup a hook before saving cores on this
> >> Lisp.
> >> ; While executing: #<Anonymous Function #xCE06D0E>, in process
> >> listener(1).
> >> > Error: Couldn't find function glClearColor
> >> > While executing: CL-OPENGL-BINDINGS::GENERATE-GL-FUNCTION, in process
> >> > listener
> >> (1).
> >> > Type :GO to continue, :POP to abort, :R for a list of available
> >> > restarts.
> >> > If continued: Skip loading "tut02.lisp"
> >> > Type :? for other options.
> >>
> >> But SBCL 1.1.4 (win32-thread fork) runs perfectly.
> >>
> >> On another machine (windows 7, 64 bit, OpenGL 4.3), both ccl 1.6 and
> SBCL
> >> (both 32-bit) gave the error message before.
> >>
> >> Could anyone give me some suggestions? Thanks in advance
> >>
> >> - Rujia
> >>
> >>
> >>
> >>
> >>
> >
>
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