== Starlock full pass (taps a CSS pixel apart; the dither per tap)
  dither                            1 frame       box 2       box 4 decay 40 ms decay 80 ms   <20Hz   grain/shimmer L* 60 fps   shimmer 30 fps
  ign still                          0.0687      0.0687      0.0687      0.0687      0.0687  0.0000     19.7    0.0               0.0
  ign + 5.588238 t                   0.0687      0.0362      0.0227      0.0213      0.0134  0.0374      0.8   12.6              19.3
  ign + golden t                     0.0687      0.0372      0.0238      0.0209      0.0120  0.0382      0.6   12.8              19.3
  ign + half every other frame       0.0687      0.0337      0.0337      0.0358      0.0342  0.0000     11.0    3.0              13.6
  white                              0.0897      0.0634      0.0448      0.0406      0.0289  0.0724      3.8   22.7              28.9
  blue still                         0.0705      0.0705      0.0705      0.0705      0.0705  0.0000     21.8    0.0               0.0
  blue + golden t                    0.0711      0.0389      0.0235      0.0213      0.0122  0.0413      0.7   13.7              21.7
  stbn                               0.0705      0.0398      0.0206      0.0211      0.0124  0.0499      1.4   13.9              21.0
  lattice 54,11,0/56                 0.0582      0.0582      0.0582      0.0582      0.0582  0.0000     19.7    0.0               0.0
  lattice 54,11,28/56                0.0582      0.0335      0.0335      0.0349      0.0338  0.0000     11.0    3.0              13.7
  lattice 19,4,20/40                 0.0671      0.0304      0.0304      0.0328      0.0310  0.0000     10.2    3.1              14.4
  lattice 15,7,10/20                 0.0711      0.0346      0.0346      0.0369      0.0352  0.0000      9.4    3.6              16.5
== paint off, per device pixel, as is
  dither                            1 frame       box 2       box 4 decay 40 ms decay 80 ms   <20Hz   grain/shimmer L* 60 fps   shimmer 30 fps
  ign still                          0.4083      0.4083      0.4083      0.4083      0.4083  0.0000     48.8    0.0               0.0
  ign + 5.588238 t                   0.4083      0.2196      0.1318      0.1258      0.0782  0.2293      1.9   37.1              47.9
  ign + golden t                     0.4083      0.2207      0.1322      0.1198      0.0675  0.2328      1.4   35.8              47.7
  ign + half every other frame       0.4083      0.2043      0.2043      0.2168      0.2076  0.0001     32.3    6.6              30.6
  white                              0.4084      0.2887      0.2041      0.1850      0.1315  0.3294      9.9   61.1              77.7
  blue still                         0.4082      0.4082      0.4082      0.4082      0.4082  0.0000     63.3    0.0               0.0
  blue + golden t                    0.4083      0.2207      0.1322      0.1198      0.0675  0.2328      2.0   42.5              65.9
  stbn                               0.4084      0.2291      0.1171      0.1210      0.0702  0.2881      4.5   41.0              60.8
  lattice 5,2,0/11                   0.4137      0.4137      0.4137      0.4137      0.4137  0.0000     50.3    0.0               0.0
  lattice 1,1,1/2                    0.3818      0.1441      0.1441      0.1613      0.1487  0.0001     44.8    1.3               6.2
  lattice 3,2,4/8                    0.4066      0.2007      0.2007      0.2134      0.2040  0.0001     16.3    8.7              40.2
  lattice 11,6,3/24                  0.4074      0.3335      0.2208      0.1741      0.1012  0.3714      9.0   30.5              42.8
== paint off, through a slight eye blur
  dither                            1 frame       box 2       box 4 decay 40 ms decay 80 ms   <20Hz   grain/shimmer L* 60 fps   shimmer 30 fps
  ign still                          0.0410      0.0410      0.0410      0.0410      0.0410  0.0000     12.8    0.0               0.0
  ign + 5.588238 t                   0.0410      0.0275      0.0142      0.0143      0.0086  0.0350      0.6    9.6              12.5
  ign + golden t                     0.0410      0.0286      0.0197      0.0169      0.0107  0.0354      0.6    9.8              12.6
  ign + half every other frame       0.0410      0.0245      0.0245      0.0254      0.0247  0.0000      7.5    1.9               8.6
  white                              0.1152      0.0814      0.0574      0.0521      0.0370  0.0930      4.8   29.8              37.9
  blue still                         0.0521      0.0521      0.0521      0.0521      0.0521  0.0000     15.2    0.0               0.0
  blue + golden t                    0.0621      0.0384      0.0240      0.0217      0.0132  0.0436      0.8   13.2              18.4
  stbn                               0.0521      0.0321      0.0188      0.0181      0.0115  0.0388      1.7   10.5              14.5
  lattice 5,2,0/11                   0.0360      0.0360      0.0360      0.0360      0.0360  0.0000      9.7    0.0               0.0
  lattice 1,1,1/2                    0.1441      0.1441      0.1441      0.1441      0.1441  0.0000     44.8    0.0               0.0
  lattice 3,2,4/8                    0.0458      0.0350      0.0350      0.0355      0.0351  0.0000     10.9    1.3               6.0
  lattice 11,6,3/24                  0.0527      0.0173      0.0151      0.0172      0.0139  0.0119      3.7    4.3              14.6
