Re: SDL Mailing list question

On 26-Sep-09, at 10:05 AM, "Andreas Lund" <[email protected]> wrote:

> Sat, 26 Sep 2009 04:35:19 -0400, Kartik Thakore <[email protected] 
> >
> wrote:
>>
>> On 26-Sep-09, at 4:06 AM, Christian Schmid <[email protected]>
>> wrote:
>>
>>> Hi Kartik,
>>>
>>> Thank you for your reply. I am new to OpenGL programming. I used to
>>> write everything in Perl. No matter if its a network stack or a  
>>> fully
>>> blown web-custimizable FTP server. Now I am trying to code blast- 
>>> away
>>> 3d-applications... in Perl. Some people say this is crazy, but I am
>>> sure
>>> as soon as I have created an amazing framework, it will work as well
>>> as
>>> C-applications do.
>> It should!
>
> It does! I wrote a simple 3D engine a few years back and for  
> comparison I
> wrote the exact same thing in C++ too. (Twice, both in OpenGL and  
> DirectX) and
> what did I learn? Not only did the Perl version produce the exact same
> framerate as long as I used display lists properly, the  
> possibilities were
> just so much greater with Perl/SDL: Sound and bitmaps were already  
> taken care
> of, memory management was obviously not a problem and most important  
> of all:
> Whatever logic I wanted to bring in at runtime, could easily be  
> loaded and
> executed using eval().
>
Have you tried POGL?
> I went as far as implementing a console-like GUI interface which let  
> me type
> commands, load 3D models, spawn objects, set things in motion etc. In
> contrast, I never got as far as implementing a GUI in the C++  
> versions simply
> because the language is so much more work.
>
> So, what killed the Perl version back then? Two things.
>
> 1. SDL-Perl was next to impossible to build. NOT ANYMORE!!! :-D
Yay!
>
> 2. No support for shaders or other cool stuff. Hmmm... is it getting  
> there?
>
POGL?
> Unfortunately, after several years of bit rot I've so far been  
> unable to get
> my old code to run properly with the current SDL. Since it's just a  
> hobby
> project of mine, competing with wife, kids, house, work etc, things  
> are moving
> slow.
>
> What doesn't work? glGetString(). Perhaps it's my lack of experience  
> with XS,
> or perhaps the sdl opengl binary is broken, I don't know.
Opengl in sdl has fallen 4 years behind. So I am not suprised!
> This isn't really
> critical except for debugging and using extensions. Worse, I  
> remember using
> some kind of glu routine to load up a bitmapped font as a texture  
> display
> list, I don't remember exactly how it worked, I can only see that it  
> no longer
> does, and I haven't the slightest idea why. Not that I've had a lot  
> of time to
> look into it... :-|
>
>
> Anywho... Got some screenshots and an old version here:
> http://floyd.atc.no/Programming/Perl/Offworld/
> If anyone is interested in the current source, let me know.
>
I would love to see the code.
>
> --
> Andreas Lund ([email protected])
> Tel: +47 90077162
> #include <disclaimer.h>
> "Look at you hacker, panting and sweating as you run through my  
> corridors.
> How can you challenge a perfect immortal machine?" -- SHODAN, System  
> Shock


Kartik Thakore