Hi Antoine, There isn't much we can pinpoint from the information provided. It could be a driver bug, it could be a straight out of memory issue.
What OSG version are you using? What OS/hardware/drivers/build tools are you using? Have you tried other OS/hadwardware/driver combinations? Robert. On 6 September 2017 at 09:49, Antoine Rennuit <[email protected]> wrote: > Dear OSG forum, > > I am currently switching from using display lists to using VBOs. > > I display 2 different meshes with it: > > one is a usual mesh with ~1000 triangles > > the other one is very dense ~10M vertices (from a room scan) > > > > The usual mesh displays fine with the VBOs, but when adding the dense mesh > I have a crash in the rendering, here is my calls stack: > > [img]https://drive.google.com/open?id=0B4i1g-UqIF8yZFk4TlRrblVrUVk[/img] > > As you can see, it is really at the rendering stage that the problem > happens, not when setting up the VBO. > > Here is my code > > > Code: > > osg::ref_ptr<osg::Geode> SetupMesh(const Eigen::Vector3Array& vertices, > IntegerArray const& triangles, const Eigen::Vector3Array& normals, const > osg::Vec4f& color, Node* node) > { > osg::ref_ptr<osg::Geode> geode = new osg::Geode(); > assert(geode); > osg::ref_ptr<osg::Geometry> geometry = new osg::Geometry(); > assert(geometry); > osg::ref_ptr<osg::Vec3Array> vertices_osg = new osg::Vec3Array(); > assert(vertices_osg); > osg::ref_ptr<osg::Vec3Array> normals_osg = new osg::Vec3Array(); > assert(normals_osg); > osg::ref_ptr<osg::DrawElementsUInt> triangles_osg = new > osg::DrawElementsUInt(osg::PrimitiveSet::TRIANGLES, 0); > assert(triangles_osg); > osg::ref_ptr<osg::Vec4Array> colors = new osg::Vec4Array(); > assert(colors); > > osg::ref_ptr<NodeReference> userData = new NodeReference(node); > geometry->setUserData(userData); > > // VBO. > // geometry->setUseDisplayList(false); > geometry->setUseVertexBufferObjects(true); > > // Setup. > geode->addDrawable(geometry); > geometry->setVertexArray(vertices_osg); > geometry->setNormalArray(normals_osg); > geometry->addPrimitiveSet(triangles_osg); > geometry->setColorArray(colors); > > // Vertices. > vertices_osg->reserve(vertices.size()); > for (int i = 0; i < vertices.size(); ++i) > vertices_osg->push_back(EigenToOsgVector3(vertices[i])); > > // Normals. > normals_osg->setBinding(osg::Array::BIND_PER_VERTEX); > > normals_osg->reserve(normals.size()); > for (int i = 0; i < normals.size(); ++i) > normals_osg->push_back(EigenToOsgVector3(normals[i])); > > // Triangles. > triangles_osg->reserve(triangles.size()); > for (int i = 0; i < triangles.size(); ++i) > triangles_osg->push_back(triangles[i]); > > // Colors. > colors->setBinding(osg::Array::BIND_OVERALL); > > colors->push_back(color); > > return geode; > } > > > > > Any idea of what's going on? > > Thanks, > > Antoine[/code] > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=71638#71638 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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