message: Handle normalisation of sampled stencil values
diff: @@ -315,6 +315,8 @@ class Texture_Zoo():
  else:
  if picked[1] == 0.0:
  value0[1] = 0.0
  + if picked[1] > 1.0:
  + picked[1] /= 255.0
  if not rdtest.value_compare(picked, value0, eps):
  raise rdtest.TestFailureException(
  