Also, my intension is not to render the shadow map at all, only to use it for fragment test (in lighten and not lighten zone). From where this shimmering is coming ? Nick
http://www.linkedin.com/in/tnick Sent from Devlet, Ankara, Turkey On Fri, Jan 15, 2010 at 3:46 PM, Trajce Nikolov <[email protected]>wrote: > one more question. What are the possible values for shadow2DProj( > shadow_texture, projShadow ).r ? I am trying to put the light attenuation > back ..... and to avoid the shimmering > > Nick > > http://www.linkedin.com/in/tnick > Sent from Devlet, Ankara, Turkey > > On Fri, Jan 15, 2010 at 3:35 PM, Trajce Nikolov > <[email protected]>wrote: > >> Hey Wojtek !!!! Thanks a lot. !! I will tune it to fix the shimmering >> >> >> Nick >> >> http://www.linkedin.com/in/tnick >> >> >> On Fri, Jan 15, 2010 at 3:08 PM, Wojciech Lewandowski < >> [email protected]> wrote: >> >>> Trajce, >>> >>> Attached is a fixed source code. There is a lots of shadow shimmering on >>> my GF8800. You will have to add some depth bias while rendering shadow map. >>> Selection proper PolygonOffset values is usually a matter of trial and error >>> so leave this for you. >>> >>> Wojtek >>> >>> ----- Original Message ----- >>> >>> *From:* Trajce Nikolov <[email protected]> >>> *To:* OpenSceneGraph Users <[email protected]> >>> *Sent:* Friday, January 15, 2010 9:58 AM >>> *Subject:* Re: [osg-users] light lobes and shadow maps >>> >>> ABout the code. I use shader to simulate lght lobes thru phong lighting >>> in the shader. Then I use shadow maps to detect the area behind the >>> obstacles that need not to be lighten. Most is mixture of shadow maps >>> technique with lighting scheme. Code snippets borrowed from all around >>> >>> Nick >>> >>> http://www.linkedin.com/in/tnick >>> Sent from Devlet, Ankara, Turkey >>> >>> On Fri, Jan 15, 2010 at 10:54 AM, Trajce Nikolov < >>> [email protected]> wrote: >>> >>>> Hi Guys, >>>> >>>> here is the code. >>>> >>>> Nick >>>> >>>> http://www.linkedin.com/in/tnick >>>> Sent from Devlet, Ankara, Turkey >>>> >>>> On Thu, Jan 14, 2010 at 11:42 PM, Wojciech Lewandowski < >>>> [email protected]> wrote: >>>> >>>>> Hi Nick, >>>>> >>>>> Post the troublesome code and elaborate a bit more about the problem. >>>>> If its really a minute or two I am sure someone will be able to help. >>>>> >>>>> Wojtek Lewandowski >>>>> >>>>> *From:* Trajce Nikolov <[email protected]> >>>>> *Sent:* Thursday, January 14, 2010 8:58 PM >>>>> *To:* OpenSceneGraph Users <[email protected]> >>>>> *Subject:* [osg-users] light lobes and shadow maps >>>>> >>>>> Hi community, >>>>> >>>>> I have some shader that does some lighting in the scene. Now studying >>>>> osgShadow and the techniques. I want to a shadow map technique to disable >>>>> the lightening of the scene behind obstacles. I have some code done, but >>>>> not >>>>> working. I need some help, someone experienced with GLSL to spend a minute >>>>> or to to have a look and if possible to spot the problem. Anyone? >>>>> >>>>> Thanks a lot >>>>> >>>>> Nick >>>>> >>>>> http://www.linkedin.com/in/tnick >>>>> Sent from Izmit, 41, Turkey >>>>> >>>>> ------------------------------ >>>>> >>>>> _______________________________________________ >>>>> osg-users mailing list >>>>> [email protected] >>>>> >>>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>>>> >>>>> >>>>> _______________________________________________ >>>>> osg-users mailing list >>>>> [email protected] >>>>> >>>>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>>>> >>>>> >>>> >>> ------------------------------ >>> >>> _______________________________________________ >>> osg-users mailing list >>> [email protected] >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>> >>> >>> _______________________________________________ >>> osg-users mailing list >>> [email protected] >>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >>> >>> >> >
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