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]> |
Pat Brown (OpenGL) wrote: > I think you need to use a constructor to build your vector: > > float2 dependcoor = float2(fc,bc); That's gotta be it. Without the constructor, (fc,bc) is just a C-style 'comma operator' which in this context will discard 'fc' and use 'bc'. Since fc is unused, the compiler optimised away the texture read that generated it - so the code it created (just two texture lookups) is correct. See the note in my signature below... ----------------------------------------------------------------------- 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. ----------------------------------------------------------------------- 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 ----- FAQ and OpenGL Resources at: http://www.geocities.com/SiliconValley/Hills/9956/OpenGL -- Author: Stephen J Baker INET: [email protected] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [email protected] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB OPENGL-GAMEDEV-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).