Hi I think you're using "packed" instead of "interleaved".. interleaved arrays aren't support by osg. You'll have to create your Drawable::DrawCallback (and perhaps your own Drawable subclass) in order to do it.
Cheers ravidavi wrote: > Hi all, > > I have an array of floats that contains packed vertex data, provided by an > external API, that I want to render. The data represents > [position,normal,texcoord] for each vertex. The array layout is: > > [posX1,posY1,posZ1,nX1,nY1,nZ1,texS1,texT1,posX2,posY2,posZ2,nX2,nY2,nZ2,texS2,texT2,...] > > Currently, I copy this array into separate osg Arrays (Vec3Array positions, > Vec3Array normals, Vec2Array texCoords), then use the appropriate set*Array() > in Geometry. This works just fine, but I'm wondering whether I really NEED to > copy the source data. > > Is it possible to directly send the original float array and specify strides > and offsets for the position/normal/tex data? In straight OpenGL I could send > the float array as a VBO and call glVertexAttribPointer to specify the > strides and offsets. I've looked in the osg examples and src, but don't see > this being done anywhere. Whenever VBOs are used, the > position/normal/texCoord data are specified as separate arrays. > > Has anyone tackled the problem of passing a packed array as a VBO? > > Thanks, > Ravi ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=70562#70562 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
