message: Port the following fix: BF: TFS#876925: Graphic Issues at different zoom levels
diff: @@ -9,7 +9,7 @@ vec2 computeLUTCoords(float index, vec2 dimensions, vec2 center, float mult) {
  float baseIndex = index*mult;
  // Fix precision issues wherein mod(x,y) => y instead of 0 when x is multiple of y...
  - const float epsilon = 0.0001;
  + float epsilon = 0.5 / dimensions.x;
  float yId = floor(baseIndex / dimensions.x + epsilon);
  float xId = baseIndex - dimensions.x * yId; // replaces mod()...
  