Use correct size for runVertexShader

QTProject/subdivision.cpp

@@ -747,7 +747,7 @@ Subdivision::Result Subdivision::runShader(Input input, Tables &tables) {
     int edgeTime = timer.elapsed();
     timer.restart();
     int vertex_offset = edge_offset + tables.edge_indices.size() / 4;
-    runVertexShader(input.vertex_buffer.size(), input.vb_handle, vertex_indices_handle, vertex_offsets_handle, output_handle, vertex_offset);
+    runVertexShader(tables.vertex_offsets.size() - 1, input.vb_handle, vertex_indices_handle, vertex_offsets_handle, output_handle, vertex_offset);
     int vertexTime = timer.elapsed();
 
     timer.restart();