Hi again, yes, I will look at "trim.c". As I mentioned, I wanted to try trimming anyway. Due to some other projects, pls. give me about two weeks time. I will be back to you as soon as possible. Thank you for your response. Kind regards, Ruediger
Brian Paul wrote 2008-04-04 04:18 AM: > On Thu, Apr 3, 2008 at 7:11 AM, ruediger janecke > <[EMAIL PROTECTED]> wrote: > >>Hallo everybody, >> there was a known problem >> " Known problems: >> - NURBS or evaluator surfaces inside display lists don't always work" >> in Mesa 3.4.1, >> which I believe, I encountered using Mesa 7.0 - see attached picture: >> "screen_shot_nurbs_display_from_list_wo_fix_408.jpg". >> >> However, the initial display (not from display list) was OK: >> "screen_shot_nurbs_initial_display_w_fix_408.jpg >> That is OK with and without the "fix". >> >> After introducing the "fix", the following showed up: >> "screen_shot_nurbs_display_from_list_w_fix_408.jpg" >> >> I introduced the following code in "_mesa_noop_EvalMesh2" >> in "mesa/main/api_noop.c": >> >> case GL_FILL: >> /* adjust start & end parameters to display most outer stripes */ >> /* see comment for modification from 2008-04-03 */ >> u1 = u1 - du; >> v1 = v1 - dv; >> u2 = u2 + du; >> v2 = v2 + dv; >> du = u2 / (i2-i1); >> dv = - v1 / (j2-j1); >> >> see also attachment: "api_noop.c" . >> >> Pls. also consider my remark: >> * change log: >> * - 2008-04-03 ruediger janecke ([EMAIL PROTECTED]) >> * evaluate most outer stripes of a surface at >> * "case GL_FILL" of "_mesa_noop_EvalMesh2". >> * The correction has been placed here, >> * because of missing test capabilities of intelligent >> * graphic cards, when "_mesa_noop_EvalMesh2" is not used. >> * However, if someone feels the correction should rather >> * be in the modules using "_mesa_noop_EvalMesh2", the >> * correction could be moved to the modules using >> * "_mesa_noop_EvalMesh2". >> >> What I saw in Mesa 7.0.2, I encountered the same problem and since >> "_mesa_noop_EvalMesh2" did not change, hence the "fix" should work there >> too. >> >> If there are any questions and remarks, pls. let me know. > > > > I tried your patch and found a problem. The progs/redbook/trim.c > program no longer works properly. Maybe you can look into that and > come up with a new patch? > > -Brian > ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Mesa3d-dev mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/mesa3d-dev
