problem with black bands on screen (on quadro2)

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Hi to all
i have developed a CAD application that use OpenGL API to display 
geometrical informations.

I have implemented HW and SW acceleration mode and also MemDC renfering 
(my application run under windows platform).

i had no problem since now.

A customer using Quadro2 Pro powered hardware have problem with rendering 
context display.
at every new hRC the application creates 2 black bands compare in the 
lower and right sides of the windows.
every new creation of display windows (so new hrc creation) the bands 
grow in size.

i have checked the parameter i send to glviewport and other "camera" 
settings but they are ok. It seems like the context was not correctly 
created but that happens only on Quadro2 PRO hw.

Can anyone point me to some information that helps me in debug?

thanks and regards

Davide
0
Reply Davide 12/14/2004 3:36:14 PM


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