protected void AddQuad(IntPtr v1, IntPtr v2, IntPtr v3, IntPtr v4, uint structSize, ResourceHandle <Material> materialHandle)
{
var batchInfo = GetCreateBatchInfo(materialHandle);
batchInfo.Ranges.Add((int)gb.NumVertices);
gb.Add(v1, structSize);
gb.Add(v2, structSize);
gb.Add(v3, structSize);
gb.Add(v4, structSize);
}