[fpc-pascal] SDL 2.0 Test, Need Advice

Sven Barth pascaldragon at googlemail.com
Mon Apr 8 09:49:59 CEST 2013

Am 08.04.2013 08:53, schrieb Anthony Walter:
> On Mon, Apr 8, 2013 at 1:59 AM, Sven Barth 
> <pascaldragon at googlemail.com <mailto:pascaldragon at googlemail.com>> wrote:
>     Am 08.04.2013 01:37 schrieb "Anthony Walter" <sysrpl at gmail.com
>     <mailto:sysrpl at gmail.com>>:
>     >
>     > In addition I have been writing a OpenGL which creates stubs for
>     loading the correct OpenGL library and loading the OpenGL core
>     functions and extensions for every platform.
>     >
>     Don't we have that already? And even if not in my opinion it would
>     be better to extend the existing GL units...
>     Regards,
>     Sven
> I don't want my three questions to get too side tracked, but I'll give 
> you my reasoning on this point.
> And instead have something like this in an OpenGL.pas unit:
> var
>   OpenGLManager: record
>     Load: function: Boolean;
>     GetProcAddress: function(ProcName: PAnsiChar): Pointer;
>     ExtensionSupported: function(Extension: PAnsiChar): Boolean;
>   end;
> And allow other units to control how the OpenGL unit manages some 
> functions. Essentially what this involves is a rewrite of the GL unit, 
> which is what I am doing. See every one of the function Load_XXX: 
> Boolean in GLext.pas.
Ok, so if you can do this in a way that SDL would not be needed if one 
doesn't want to use it and that using older OpenGL versions (e.g. 2.1) 
is supported I'd say: go for it :)

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