Ah. I see. The code assumes all vertices in a DrawArrays are unique. I mistakenly expected that the code was doing vertex (and attribute) comparisons and eliminating vertices that were duplicates.
On Thu, Feb 14, 2013 at 12:32 AM, Sergey Polischuk <pol...@yandex.ru> wrote: > Hi > > Looks ok to me > as it written in comment, code converts DrawArrays to DrawElements, and if > primitive set is already indexed it is not DrawArrays any more, and there > should not be duplicate vertices in first place (besides ones with same > vertex position but different other vertex attributes like tc's or normals) > > Cheers. > > 14.02.2013, 01:17, "Paul Martz" <skewmat...@gmail.com>: > > Hi all -- Primarily Tim Moore... > > The code comments for osgUtil::IndexMeshVisitor reads as follows: > // Convert geometry that uses DrawArrays to DrawElements i.e., > // construct a real mesh. This removes duplicate vertices. > > However, if a PrimitiveSet is already indexed (i.e., DrawElementsUInt), > then the code skips removal of duplicate vertices. Is this the intended > behavior? From reading the documentation, I expected the code would still > go through and remove the duplicate vertices. > > Does the code need to be corrected, or the code comment? > > -- > Paul Martz > Skew Matrix Software LLC > , > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > _______________________________________________ > osg-users mailing list > osg-users@lists.openscenegraph.org > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > -- Paul Martz Skew Matrix Software LLC
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