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Rendering to a texture.


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#1 Azrael   Members   -  Reputation: 128

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Posted 11 July 2001 - 10:55 AM

How can you render to a texture in opengl?

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#2 Obelix   Members   -  Reputation: 122

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Posted 11 July 2001 - 05:17 PM

You can not render direct to a texture so the normal way is to render to the backbuffer and use glCopyTexImage2D.

#3 Seaman   Members   -  Reputation: 122

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Posted 13 July 2001 - 09:17 AM

Check out p_buffer extension on newer cards.

#4 Obelix   Members   -  Reputation: 122

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Posted 13 July 2001 - 05:46 PM

Right, I forgot that alternative.
I think that the pbuffer is more like an extension to the driver than the card. You have it also for TNT cards if you have recent drivers. I do not know if it is faster than the backbuffer approach but you are not limited to how the backbuffer is setup.




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