Re: Problem with shadow render opengl

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

You are right in Mac there is not problem.
I work with a imac intel  core due with video card  ATI Radeon x1600
I can well compare mac os x and windows xp.

I tried to use kQ3DrawContextPropertyAcceleratedOffscreen:

TQ3Boolean    theFlag = kQ3True;
Q3Object_SetProperty( fRenderer, kQ3RendererPropertyShadows,sizeof(theFlag), &theFlag );
Q3Object_SetProperty( fRenderer, kQ3DrawContextPropertyAcceleratedOffscreen,sizeof(theFlag), &theFlag );


but without success.

Is it correct  set Property  kQ3RendererPropertyShadows and after 
kQ3DrawContextPropertyAcceleratedOffscreen ?
Do you think if I set so I have the chance it work with some video card ?
thanks

James W. Walker ha scritto:
> On Sep 10, 2007, at 12:25 AM, Daniele Cavallini wrote:
>
>   
>> I use Mac os x 10.4.1  and windows XP. I have the same problem.
>> I specific:
>> TQ3Boolean    theFlag = kQ3True;
>> Q3Object_SetProperty( fRenderer, kQ3RendererPropertyShadows,
>> sizeof(theFlag), &theFlag );
>> Where fRenderer is a TQ3RendererObject.
>> If I use Q3Win32DCDrawContext_New for win and Q3MacDrawContext_New in
>> Mac for create an  TQ3DrawContextObject shadows are present.
>>     
>
> I understand why it's not working on Windows.  Microsoft's OpenGL  
> software renderer is very primitive, and does not have the  
> capabilities needed for shadows.  Depending on your video card, you  
> might be able to get shadows using  
> kQ3DrawContextPropertyAcceleratedOffscreen.
>
> I think it ought to work on the Mac, though I wonder why you have not  
> updated to 10.4.10.
>
>   
>> James Walker ha scritto:
>>     
>>> Daniele Cavallini wrote:
>>>
>>>       
>>>> For obtain an image with a good resolution I use  
>>>> TQ3PixmapDrawContextData.
>>>> It is work fine but if I use Quesa shared render opengl I don't  
>>>> see shadow.
>>>>
>>>>         
>>> Are you on Mac, Windows, or Linux?
>>>
>>> Did you specify that you want shadows using  
>>> kQ3RendererPropertyShadows?
>>>
>>>
>>>       
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