[jitter] polygon smoothing with jit.gl.sketch

BTW,
If FSAA doesn't pan out for whatever reason, you can do it yourself by
rendering to a texture and applying a smoothing convolution shader as
a slab before texture a fullscreen videoplane with the result.

wes

On 11/3/07, Jeremy Rotsztain <jeremy at mantissa.ca> wrote:
>
> i'm just rendering a texture on a skewed plane.
> ah, it just occurred to me that fsaa is supported by jit.window. thanks!
> i wish i'd realized this 5 hours ago!
>
> jeremy
>
> On Nov 3, 2007, at 11:37 PM, Wesley Smith wrote:
>
> > 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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> >>>>
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