Re: Problem with shadow render opengl

[Daniele C. <dca...@in...>]

James  Thank's a lot for your patience.
Yes I must create a little application more simple possible with V. S. 
2005 so I can understand where is my problem.

James Walker ha scritto:
> Daniele Cavallini wrote:
>   
>> Start with a drawcontext create from window and all is ok
>> I want create a bitmap of view  so I create  pixmap drawcontext (I can 
>> create a image with large dimension).
>> My masterDrawContext  is the drawcontext obtain with 
>> Q3View_GetDrawContext from window view.
>> I make the render into pixmap drawcontext
>> I create a windows bitmap, for this I get drawcontext  with 
>> Q3View_GetDrawContext obtain from  pixmap drawcontext and get pixmap.
>> When I have my  windows bitmap I return to drawcontext create from window
>>     
>
> So, you are using the same pixels for a Windows pixmap (DIB section?) 
> and a Quesa pixmap draw context?  That should be OK.
>
> Have you considered making a test program in V. S. 2005, to see if you 
> can get offscreen shadows in a simpler situation?  Other than that, I 
> think I am out of ideas.
>