Re: GL_ARB_FRAGMENT_PROGRAM vs CG_PROFILE_FP30

"Stephen J Baker" <[email protected]>
Newsgroups gmane.games.devel.opengl
Organization Fat City Network Services, San Diego, California
Message-ID <[email protected]>
Rhadamés Carmona wrote:
> Hello Guy
> 
> I tested arb_fragment program and CG fragment program, and the results are 
> not the same. I kept the rest of the code. CG looks darker. Any clue?. I am 
> using pre-integration volume rendering with 3D textures. Texture0 and 1 are 
> the same source 3D texture... texture2 is the dependent 2D texture.

Have you compiled the Cg code with the stand-alone compiler and looked at
the machine-code it generates?  I'm sure that would give you a clue.

-----------------------------------------------------------------------
The second law of Frisbee throwing states: "Never precede any maneuver
by a comment more predictive than "Watch this!"...it turns out that
this also applies to writing Fragment Shaders.
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Steve Baker                      (817)619-2657 (Vox/Vox-Mail)
L3Com/Link Simulation & Training (817)619-2466 (Fax)
Work: [email protected]           http://www.link.com
Home: [email protected]       http://www.sjbaker.org

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