[jitter] polygon smoothing with jit.gl.sketch

What are you trying to do?  Polygon smoothing has polygon ordering
issues and is thus not a good solution for drawing antialiased
polygons.  Have you tried fsaa?
wes

On 11/3/07, Jeremy Rotsztain <jeremy at mantissa.ca> wrote:
>
> thanks wes, how would this be supported in jitter? with shaders?
>
> jeremy
>
> On Nov 3, 2007, at 8:00 PM, Wesley Smith wrote:
>
> > polygon smoothing doesn't work on OSX in general.  If you want
> > antialiasing on geometry you have to use fsaa.
> >
> > wes
> >
> > On 11/3/07, Jeremy Rotsztain <jeremy at mantissa.ca> wrote:
> >>
> >> has anybody figured out how to enable polygon smoothing?
> >>
> >> i'm trying to implement the following code (from the red book,
> >> http://
> >> www.glprogramming.com/red/chapter06.html#name2).
> >>
> >>     glCullFace (GL_BACK);
> >>     glEnable (GL_CULL_FACE);
> >>     glBlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE);
> >>     glClearColor (0.0, 0.0, 0.0, 0.0);
> >>
> >>   glClear (GL_COLOR_BUFFER_BIT);
> >>        glEnable (GL_BLEND);
> >>        glEnable (GL_POLYGON_SMOOTH);
> >>        glDisable (GL_DEPTH_TEST);
> >>
> >>
> >>
> >> here's the message i'm sending to jit.gl.sketch (i'm using ortho
> >> projection)
> >>
> >> reset, glmatrixmode projection, glloadidentity,
> >> glortho 0. 640. 480. 0. -5. 5., glmatrixmode modelview,
> >> glloadidentity,
> >> glcullface 2, glenable cull_face,  glblendfunc 10
> >> 1, glclearcolor 0. 0. 0. 0., glclear, glenable blend,   glenable
> >> polygon_smooth, gldisable depth_test, glcolor 1. 1. 1. 1.,
> >> dim 200 200, glpushmatrix, glbegin quads, gltexcoord 0. 1.,
> >> glvertex 91
> >> 135, gltexcoord 1. 1., glvertex 339 154,
> >> gltexcoord 1. 0., glvertex 335 380, gltexcoord 0. 0., glvertex 75
> >> 367,
> >> glend, glpopmatrix,
> >>
> >> am i using the wrong clear function? the red book recommentds
> >> color_buffer_bit, but it's not clear how to access it.
> >>
> >> thanks,
> >>
> >> jeremy
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