rename vertex -> row in GeomVertexData etc.

panda/src/distort/projectionScreen.cxx

@@ -238,7 +238,7 @@ generate_screen(const NodePath &projector, const string &screen_name,
         normal.add_data3f(-normalize(norm * rel_mat));
       }
     }
-    nassertr(vdata->get_num_vertices() == num_verts, NULL);
+    nassertr(vdata->get_num_rows() == num_verts, NULL);
 
     // Now synthesize a triangle mesh.  We run triangle strips
     // horizontally across the grid.

panda/src/egg2pg/eggLoader.cxx

@@ -2136,7 +2136,7 @@ make_vertex_data(const EggRenderState *render_state,
   for (vi = vertex_pool->begin(); vi != vertex_pool->end(); ++vi) {
     qpGeomVertexWriter gvw(vertex_data);
     EggVertex *vertex = (*vi);
-    gvw.set_vertex(vertex->get_index());
+    gvw.set_row(vertex->get_index());
 
     gvw.set_column(InternalName::get_vertex());
     gvw.add_data4f(LCAST(float, vertex->get_pos4() * transform));