[vtkusers] Depth Peeling VTK5.2 ATI Cars

[Goodwin Lawlor]

Iñigo Barandiaran wrote:
> Hi
> 
> I'm working on a medical application,and i'm using VTK as a 
> Visualization API.We want to render some translucent objects and we are 
> trying to use Depth Peeling technique that is integrated in 5.2 version.
> The problem is that we can not use that technique in ATI's card. I saw 
> in the vtk code that the problem is already detected. I have also tried 
> to solve the problem modifying the vtkOpenglRenderer. I think the 
> problem is in the shader in shadow2DRect. I've tried to use other 
> approaches such as texture2DRect or texture2D with no success.
> Do you know if it is possible to solve this problem?.
> 
> Thanks in advance!
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Hi Iñigo,

Have you upgraded your graphics drivers to the latest version? If you 
haven't it would be worth giving it a try.

Usually, PC manufacturers are very slow to upgrade drivers*... try these 
unofficial (but kind of sanctioned) drivers for ATI cards: 
http://www.omegadrivers.net/

I have an old laptop with an ATI card and depth peeling works very well 
with the omega drivers.

hth

Goodwin

* (they'd prefer you buy new hardware...)