Mailing List Archive: Using glext on n900 and n950?

Using glext on n900 and n950?

Mar 7, 2012, 7:28 AM

Post #1 of 4 (1812 views)

Hi,

i can't figure out how to use glext on n900 or on the n950 using gles1.

As a start i'd just like to access
glGenFramebuffers() and
glDeleteFramebuffers()

The only references to this is in GLES/glext.h and the prototypes have
are named glGenFramebuffersOES and glDeleteFramebuffersOES . So far
so good. I can compile this.

But i cannot link it. Against what am i supposed to link gles1 applications
using glext?

Regards,
Till

--
Dr. Till Harbaum <lists@harbaum.org>
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Re: Using glext on n900 and n950? [ In reply to ]

kimmo.hamalainen at nokia

Mar 9, 2012, 12:32 AM

Post #2 of 4 (1769 views)

Permalink

glext.h looks like driver-specific extensions, am I right (at least the
internet seems to tell so)? So there is no guarantee if the driver has
them or not...

-Kimmo

On 03/07/12 17:28, ext Till Harbaum / Lists wrote:
> Hi,
>
> i can't figure out how to use glext on n900 or on the n950 using gles1.
>
> As a start i'd just like to access
> glGenFramebuffers() and
> glDeleteFramebuffers()
>
> The only references to this is in GLES/glext.h and the prototypes have
> are named glGenFramebuffersOES and glDeleteFramebuffersOES . So far
> so good. I can compile this.
>
> But i cannot link it. Against what am i supposed to link gles1 applications
> using glext?
>
> Regards,
> Till
>
> --
> Dr. Till Harbaum<lists@harbaum.org>
> _______________________________________________
> maemo-developers mailing list
> maemo-developers@maemo.org
> https://lists.maemo.org/mailman/listinfo/maemo-developers
>

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Re: Using glext on n900 and n950? [ In reply to ]

lists at harbaum

Mar 9, 2012, 11:55 AM

Post #3 of 4 (1760 views)

Permalink

Since gles 1.1 glex is imho mandatory

Till

Am Freitag 09 März 2012 schrieb Kimmo Hämäläinen:
> glext.h looks like driver-specific extensions, am I right (at least the
> internet seems to tell so)? So there is no guarantee if the driver has
> them or not...
>
> -Kimmo
>
> On 03/07/12 17:28, ext Till Harbaum / Lists wrote:
> > Hi,
> >
> > i can't figure out how to use glext on n900 or on the n950 using gles1.
> >
> > As a start i'd just like to access
> > glGenFramebuffers() and
> > glDeleteFramebuffers()
> >
> > The only references to this is in GLES/glext.h and the prototypes have
> > are named glGenFramebuffersOES and glDeleteFramebuffersOES . So far
> > so good. I can compile this.
> >
> > But i cannot link it. Against what am i supposed to link gles1 applications
> > using glext?
> >
> > Regards,
> > Till
> >
> > --
> > Dr. Till Harbaum<lists@harbaum.org>
> > _______________________________________________
> > maemo-developers mailing list
> > maemo-developers@maemo.org
> > https://lists.maemo.org/mailman/listinfo/maemo-developers
> >
>
> _______________________________________________
> maemo-developers mailing list
> maemo-developers@maemo.org
> https://lists.maemo.org/mailman/listinfo/maemo-developers
>

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Re: Using glext on n900 and n950? [ In reply to ]

lists at harbaum

Mar 9, 2012, 12:06 PM

Post #4 of 4 (1768 views)

Permalink

And for the records: As far as i understand by now the glex lib (if present) just wraps wglGetProcAddress (or similar) which in turn resolves the addresses if the various extensions via their name. So it should just be a matter of calling this getprocaddress function with the correct parameters.

Till

Am Freitag 09 März 2012 schrieb Kimmo Hämäläinen:
> glext.h looks like driver-specific extensions, am I right (at least the
> internet seems to tell so)? So there is no guarantee if the driver has
> them or not...
>
> -Kimmo
>
> On 03/07/12 17:28, ext Till Harbaum / Lists wrote:
> > Hi,
> >
> > i can't figure out how to use glext on n900 or on the n950 using gles1.
> >
> > As a start i'd just like to access
> > glGenFramebuffers() and
> > glDeleteFramebuffers()
> >
> > The only references to this is in GLES/glext.h and the prototypes have
> > are named glGenFramebuffersOES and glDeleteFramebuffersOES . So far
> > so good. I can compile this.
> >
> > But i cannot link it. Against what am i supposed to link gles1 applications
> > using glext?
> >
> > Regards,
> > Till
> >
> > --
> > Dr. Till Harbaum<lists@harbaum.org>
> > _______________________________________________
> > maemo-developers mailing list
> > maemo-developers@maemo.org
> > https://lists.maemo.org/mailman/listinfo/maemo-developers
> >
>
> _______________________________________________
> maemo-developers mailing list
> maemo-developers@maemo.org
> https://lists.maemo.org/mailman/listinfo/maemo-developers
>

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