addAttribute(CCRenderState.colourAttrib);
if(CCRenderState.computeLighting)
addAttribute(CCRenderState.lightingAttrib);
for(int i = 0; i < ops.size(); i++) {
IVertexOperation op = ops.get(i);
loading = nodes.get(op.operationID());
boolean loaded = op.load();
if(loaded)
loading.op = op;
if(op instanceof VertexAttribute)
if(loaded)