Re: [PyOpenGL-Users] Depth buffers and GLSL

[Alejandro S. <as...@gm...>]

Ahh, nevermind, I just realized you are taking that into account.

2012/2/24 Alejandro Segovia <as...@gm...>

> Dear James,
>
> It seems to me that you should trying creating your window _after_ having
> initialized GLUT, otherwise your GL configuration is being set before
> having an actual OpenGL Context.
>
> Hope this helps.
>
> Alejandro.-
>
> 2012/2/24 James Gao <ja...@ja...>
>
>>  I did try to write to gl_FragDepth, but it had no effect... Here's some
>> trimmed test code: http://pastebin.com/YD9pu0TU
>> Basically, I draw two planes -- a red one fairly close, and a blue one
>> that should be completely occluded by the red plane. As you can see in the
>> demo though, the blue one still gets drawn on top of the red one...
>>
>>
>> On Fri, Feb 24, 2012 at 7:43 AM, Ian Mallett <geo...@gm...>wrote:
>>
>>> On Fri, Feb 24, 2012 at 6:03 AM, James Gao <ja...@ja...> wrote:
>>>
>>>> Sorry for spamming the list, but I've seem to find another problem with
>>>> my code. I can't seem to get depth test to work. I've checked all the usual
>>>> suspects -- glEnable, glut is allocating the depth buffer. I'm using almost
>>>> exclusively glsl 1.1 (no fixed function commands) -- is there something I
>>>> must do in the shaders themselves in order to get depth test to work?
>>>
>>> You can write to gl_DepthCoord, but typically this is implicitly done as
>>> glFragCoord.z.
>>>
>>> Can we see code?
>>>
>>
>>
>>
>> ------------------------------------------------------------------------------
>> Virtualization & Cloud Management Using Capacity Planning
>> Cloud computing makes use of virtualization - but cloud computing
>> also focuses on allowing computing to be delivered as a service.
>> http://www.accelacomm.com/jaw/sfnl/114/51521223/
>> _______________________________________________
>> PyOpenGL Homepage
>> http://pyopengl.sourceforge.net
>> _______________________________________________
>> PyOpenGL-Users mailing list
>> PyO...@li...
>> https://lists.sourceforge.net/lists/listinfo/pyopengl-users
>>
>>
>
>
> --
> http://alejandrosegovia.net
>
>


-- 
http://alejandrosegovia.net