Re: clipping planes bypassed in CG vertex shaders
Rhadamés Carmona <[email protected]>
| Newsgroups | gmane.games.devel.opengl |
|---|---|
| Organization | Fat City Network Services, San Diego, California |
| Message-ID | <[email protected]> |
Thanks a lot Mauricio I tested the plane [1,0,0,0] and it clips in the middle (non vertex shader version), but still it does not work in CG vertex shader. I think user clipping planes are removed in programmable pipeline. Cheers Rhadamés ----- Original Message ----- To: "Multiple recipients of list OPENGL-GAMEDEV-L" <[email protected]> Sent: Monday, May 23, 2005 11:53 AM > Hi Rhadamès, > with "post transformed" I'm actually simply saying "post projection", that > is standard model, view and proj matrices are used. > Just remember that planes are more or less like normals and therefore when > you transform planes you should use the inverse transpose of the > transformation you directly use for points. > > Bye, > Maurizio de Pascale > [email protected] > > > > > Rhadamés Carmona wrote: > >>Hi Mauricio >> >>Which matrix transformation map points from object space to "post >>transformed space"?. >>Thanks again >> >>Rhadamés >> >> >> >>----- Original Message ----- >>To: "Multiple recipients of list OPENGL-GAMEDEV-L" >><[email protected]> >>Sent: Monday, May 23, 2005 5:08 AM >> >> >> >>>Hi Rhadamès, >>>when using vertex shaders/programs Clip Planes are defined in post >>>transformed space, that is [1,0,0,0] clips away exactly half of your >>>screen. >>> >>>Bye, >>>Maurizio de Pascale >>>[email protected] >>> >>> >>> >>----- >>FAQ and OpenGL Resources at: >> http://www.geocities.com/SiliconValley/Hills/9956/OpenGL >> >> > ----- > FAQ and OpenGL Resources at: > http://www.geocities.com/SiliconValley/Hills/9956/OpenGL > > -- > Author: Maurizio de Pascale > 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). ----- FAQ and OpenGL Resources at: http://www.geocities.com/SiliconValley/Hills/9956/OpenGL -- Author: =?iso-8859-1?Q?Rhadam=E9s_Carmona?= 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).