message: Ensure we don't hide an invalid buffer value that truncates to green
diff: @@ -55,7 +55,10 @@ layout(binding = 0, std140) uniform constsbuf
  void main()
  {
  + if(col == vec4(0.0, 1.0, 0.0, 1.0))
  Color = col;
  + else
  + Color = vec4(1.0, 0.0, 0.0, 1.0);
  }
  )EOSHADER";
  