Hi Sebastian,
I set the vertex attribute array this way:
Code:
geometry->setVertexAttribArray(s_attributeIndex, m_vertexAttributes.get());
geometry->setVertexAttribBinding(s_attributeIndex,
osg::Geometry::BIND_PER_VERTEX);
geometry->setVertexAttribNormalize(s_attributeIndex, GL_FALSE);
and then set up VBO
Code:
geometry->setUseVertexBufferObjects(true);
binding attribute
Code:
program->addBindAttribLocation("vxOSG_HeightFieldParams",
VxOSG::VxHeightFieldDisplayNode::s_attributeIndex);
and in the update
Code:
// set dirty on arrays for VBO update
vertices->dirty();
normals->dirty();
geometry->dirtyBound();
also I update custom attributes like this
Code:
(*m_vertexAttributes)[index][inEntryID] = inEntryValue;
s_attributeIndex = 15
maybe I am missing something?
I've tried to use tex coord array 2 and it seems to be working. But I would
like to understand why custom vertex attribute is not working with vbo.
I have a feeling that I need to set custom attribute array to dirty somehow.
Thank you!
Janna
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http://forum.openscenegraph.org/viewtopic.php?p=50411#50411
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