pfShadeModel problem

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Angus Dorbie (angus++at++division.demon.co.uk)
Wed, 1 Mar 1995 17:47:19 +0000

I'm having problems trying to force PFSM_FLAT on some platforms when
using performer 1.2.

I have a pfGeoSet containing PFGS_FLAT_TRISTRIPS (not indexed) and
also call:

pfGSetDrawMode(geoset, PFGS_FLATSHADE, PF_ON);

and:

pfGStateMode(geostate, PFSTATE_SHADEMODEL, PFSM_FLAT);

Here's a table of the graphics subsystems I've tried this on
and the results:
________________________________________________________
 GRAPHICS IRIX VERSION FLATSHADE?
________________________________________________________
    LG1 5.3 Yes

 Indy 24bit 5.2 Yes

   GR3-XZ 5.3 No

  GR2-ELAN 5.2 No

 GU1-Extreme 5.2 No

RealityEngineII 5.2 Yes
________________________________________________________

Is this a known problem and is there a fix?

Thanks in advance,

Angus.

-- 
 Angus Dorbie                Division Ltd,
 Software Engineer           19 Apex Court,
 Tel: (01454)615554          Woodlands,
 Fax: (01454)615532          Bristol BS12 4JT,
 angus++at++division.demon.co.uk  UK

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