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Re: Additive Blending on a floating point PBuffer

Gordon Erlebacher wrote:

While it may not be possible to use the OpenGL blending functions, what is to prevent you
from reading in two floatingn point textures into Cg and adding them yourself?

 Gordon

Nothing, actually I use floating point pbuffers and openGL ARB fragment programs todo complex blending of two different floating point textures. If you want to do multipass blending, you need to ping-pong between textures.

-j
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References: 
 >Additive Blending on a floating point PBuffer (From: Ben Blundell <email@hidden>)
 >Re: Additive Blending on a floating point PBuffer (From: James Milne <email@hidden>)
 >Re: Additive Blending on a floating point PBuffer (From: Gordon Erlebacher <email@hidden>)



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