Results for spec@!opengl 1.0@gl-1.0-blend-func

Overview

Result: fail

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Details

Detail Value
Returncode 1
Time 0:45:39.551613
Stdout
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.798440
  Observed: 0.000000 0.000000 0.000000 0.203922
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.000000
  Observed: 0.164706 0.611765 0.219608 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.543118
  Observed: 0.670588 0.317647 0.784314 0.541176
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.543118
  Observed: 0.670588 0.317647 0.784314 0.541176
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.319776
  Observed: 0.000000 0.000000 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.890196
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.575098
  Observed: 0.000000 0.000000 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.575098
  Observed: 0.000000 0.000000 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.957283
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.480710
  Observed: 0.000000 0.000000 0.000000 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.918606
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.519386
  Observed: 0.000000 0.000000 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.918606
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.519386
  Observed: 0.000000 0.000000 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.319776
  Observed: 0.164706 0.611765 0.219608 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.277775 0.553970 0.477397 1.000000
  Observed: 0.278431 0.552941 0.478431 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.575098
  Observed: 0.839216 0.396078 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.862894
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.575098
  Observed: 0.839216 0.396078 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.862894
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.957283
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.480710
  Observed: 0.839216 0.396078 0.784314 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.918606
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.519386
  Observed: 0.839216 0.396078 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.918606
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.519386
  Observed: 0.839216 0.396078 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.319776
  Observed: 0.545098 0.145098 0.062745 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.061116 0.496302 0.066394 1.000000
  Observed: 0.062745 0.494118 0.066667 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.575098
  Observed: 0.545098 0.145098 0.062745 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.575098
  Observed: 0.545098 0.145098 0.062745 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.957283
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.480710
  Observed: 0.545098 0.145098 0.062745 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.918606
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.519386
  Observed: 0.545098 0.145098 0.062745 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.918606
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.519386
  Observed: 0.545098 0.145098 0.062745 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.319776
  Observed: 0.294118 0.250980 0.721569 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.216658 0.057668 0.411003 1.000000
  Observed: 0.215686 0.058824 0.411765 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.575098
  Observed: 0.294118 0.250980 0.721569 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.862894
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.575098
  Observed: 0.294118 0.250980 0.721569 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.862894
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.957283
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.480710
  Observed: 0.294118 0.250980 0.721569 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.918606
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.519386
  Observed: 0.294118 0.250980 0.721569 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.918606
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.519386
  Observed: 0.294118 0.250980 0.721569 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.319776
  Observed: 0.270588 0.125490 0.250980 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.265193 0.528877 0.455773 1.000000
  Observed: 0.266667 0.525490 0.454902 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.575098
  Observed: 0.270588 0.125490 0.250980 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.862894
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.575098
  Observed: 0.270588 0.125490 0.250980 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.862894
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.957283
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.480710
  Observed: 0.270588 0.125490 0.250980 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.918606
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.519386
  Observed: 0.270588 0.125490 0.250980 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.918606
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.519386
  Observed: 0.270588 0.125490 0.250980 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.319776
  Observed: 0.568627 0.270588 0.533333 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.012582 0.025093 0.021624 1.000000
  Observed: 0.011765 0.027451 0.023529 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.575098
  Observed: 0.568627 0.270588 0.533333 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.862894
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.575098
  Observed: 0.568627 0.270588 0.533333 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.862894
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.957283
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.480710
  Observed: 0.568627 0.270588 0.533333 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.918606
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.519386
  Observed: 0.568627 0.270588 0.533333 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.918606
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.519386
  Observed: 0.568627 0.270588 0.533333 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.319776
  Observed: 0.670588 0.317647 0.627451 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.174684 0.348376 0.300221 1.000000
  Observed: 0.176471 0.345098 0.301961 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.575098
  Observed: 0.670588 0.317647 0.627451 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.862894
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.575098
  Observed: 0.670588 0.317647 0.627451 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.862894
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.957283
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.480710
  Observed: 0.670588 0.317647 0.627451 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.918606
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.519386
  Observed: 0.670588 0.317647 0.627451 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.918606
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.519386
  Observed: 0.670588 0.317647 0.627451 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.319776
  Observed: 0.168627 0.078431 0.156863 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.103090 0.205594 0.177176 1.000000
  Observed: 0.101961 0.207843 0.176471 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.575098
  Observed: 0.168627 0.078431 0.156863 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.862894
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.575098
  Observed: 0.168627 0.078431 0.156863 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.862894
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.957283
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.480710
  Observed: 0.168627 0.078431 0.156863 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.918606
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.519386
  Observed: 0.168627 0.078431 0.156863 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.918606
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.519386
  Observed: 0.168627 0.078431 0.156863 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.319776
  Observed: 0.211765 0.000000 0.784314 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.069444 0.000000 0.477397 1.000000
  Observed: 0.070588 0.000000 0.478431 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.575098
  Observed: 0.211765 0.000000 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.862894
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.575098
  Observed: 0.211765 0.000000 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.862894
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.957283
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.480710
  Observed: 0.211765 0.000000 0.784314 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.918606
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.519386
  Observed: 0.211765 0.000000 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.918606
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.519386
  Observed: 0.211765 0.000000 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.319776
  Observed: 0.627451 0.396078 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.208331 0.553970 0.000000 1.000000
  Observed: 0.207843 0.552941 0.000000 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.575098
  Observed: 0.627451 0.396078 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.862894
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.575098
  Observed: 0.627451 0.396078 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.862894
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.957283
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.480710
  Observed: 0.627451 0.396078 0.000000 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.918606
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.519386
  Observed: 0.627451 0.396078 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.918606
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.519386
  Observed: 0.627451 0.396078 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.319776
  Observed: 0.627451 0.298039 0.588235 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.208331 0.415477 0.358048 1.000000
  Observed: 0.207843 0.415686 0.356863 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.575098
  Observed: 0.627451 0.298039 0.588235 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.862894
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.575098
  Observed: 0.627451 0.298039 0.588235 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.862894
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.957283
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.480710
  Observed: 0.627451 0.298039 0.588235 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.918606
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.519386
  Observed: 0.627451 0.298039 0.588235 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.918606
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.519386
  Observed: 0.627451 0.298039 0.588235 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.319776
  Observed: 0.211765 0.098039 0.196078 0.686275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.069444 0.138492 0.119349 1.000000
  Observed: 0.070588 0.137255 0.121569 0.678431
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.575098
  Observed: 0.211765 0.098039 0.196078 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.862894
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.575098
  Observed: 0.211765 0.098039 0.196078 0.945098
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.862894
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.957283
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.480710
  Observed: 0.211765 0.098039 0.196078 0.847059
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.918606
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.519386
  Observed: 0.211765 0.098039 0.196078 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.918606
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.519386
  Observed: 0.211765 0.098039 0.196078 0.886275
  Blend src factors: GL_POINTS, GL_LINES
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.462745
  Blend src factors: GL_POINTS, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.255322
  Observed: 0.164706 0.611765 0.219608 0.258824
  Blend src factors: GL_POINTS, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 0.266667
  Blend src factors: GL_POINTS, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.064454
  Observed: 0.164706 0.611765 0.219608 0.062745
  Blend src factors: GL_POINTS, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.900697
  Observed: 0.000000 0.000000 0.000000 0.305882
  Blend src factors: GL_POINTS, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.102257
  Observed: 0.164706 0.611765 0.219608 0.101961
  Blend src factors: GL_POINTS, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.423529
  Blend src factors: GL_POINTS, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.217519
  Observed: 0.164706 0.611765 0.219608 0.219608
  Blend src factors: GL_POINTS, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.462745
  Blend src factors: GL_POINTS, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.255322
  Observed: 0.164706 0.611765 0.219608 0.258824
  Blend src factors: GL_POINTS, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 0.266667
  Blend src factors: GL_POINTS, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.064454
  Observed: 0.164706 0.611765 0.219608 0.062745
  Blend src factors: GL_POINTS, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.319776
  Observed: 0.000000 0.000000 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.890196
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.575098
  Observed: 0.000000 0.000000 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.575098
  Observed: 0.000000 0.000000 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.862894
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.957283
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.480710
  Observed: 0.000000 0.000000 0.000000 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.918606
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.519386
  Observed: 0.000000 0.000000 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.918606
  Observed: 0.000000 0.000000 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.519386
  Observed: 0.000000 0.000000 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.319776
  Observed: 0.164706 0.611765 0.219608 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.277775 0.553970 0.477397 1.000000
  Observed: 0.278431 0.552941 0.478431 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.575098
  Observed: 0.839216 0.396078 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.862894
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.575098
  Observed: 0.839216 0.396078 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.862894
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.957283
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.480710
  Observed: 0.839216 0.396078 0.784314 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.918606
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.519386
  Observed: 0.839216 0.396078 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.918606
  Observed: 0.839216 0.396078 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.519386
  Observed: 0.839216 0.396078 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.319776
  Observed: 0.545098 0.145098 0.062745 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.061116 0.496302 0.066394 1.000000
  Observed: 0.062745 0.494118 0.066667 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.575098
  Observed: 0.545098 0.145098 0.062745 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.575098
  Observed: 0.545098 0.145098 0.062745 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.957283
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.480710
  Observed: 0.545098 0.145098 0.062745 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.918606
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.519386
  Observed: 0.545098 0.145098 0.062745 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.918606
  Observed: 0.545098 0.145098 0.062745 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.519386
  Observed: 0.545098 0.145098 0.062745 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.319776
  Observed: 0.294118 0.250980 0.721569 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.216658 0.057668 0.411003 1.000000
  Observed: 0.215686 0.058824 0.411765 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.575098
  Observed: 0.294118 0.250980 0.721569 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.862894
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.575098
  Observed: 0.294118 0.250980 0.721569 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.862894
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.957283
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.480710
  Observed: 0.294118 0.250980 0.721569 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.918606
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.519386
  Observed: 0.294118 0.250980 0.721569 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.918606
  Observed: 0.294118 0.250980 0.721569 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.293464 0.249247 0.721683 0.519386
  Observed: 0.294118 0.250980 0.721569 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.319776
  Observed: 0.270588 0.125490 0.250980 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.265193 0.528877 0.455773 1.000000
  Observed: 0.266667 0.525490 0.454902 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.575098
  Observed: 0.270588 0.125490 0.250980 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.862894
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.575098
  Observed: 0.270588 0.125490 0.250980 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.862894
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.957283
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.480710
  Observed: 0.270588 0.125490 0.250980 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.918606
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.519386
  Observed: 0.270588 0.125490 0.250980 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.918606
  Observed: 0.270588 0.125490 0.250980 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.268672 0.126114 0.250417 0.519386
  Observed: 0.270588 0.125490 0.250980 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.319776
  Observed: 0.568627 0.270588 0.533333 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.012582 0.025093 0.021624 1.000000
  Observed: 0.011765 0.027451 0.023529 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.575098
  Observed: 0.568627 0.270588 0.533333 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.862894
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.575098
  Observed: 0.568627 0.270588 0.533333 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.862894
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.957283
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.480710
  Observed: 0.568627 0.270588 0.533333 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.918606
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.519386
  Observed: 0.568627 0.270588 0.533333 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.918606
  Observed: 0.568627 0.270588 0.533333 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.571516 0.268269 0.532683 0.519386
  Observed: 0.568627 0.270588 0.533333 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.319776
  Observed: 0.670588 0.317647 0.627451 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.174684 0.348376 0.300221 1.000000
  Observed: 0.176471 0.345098 0.301961 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.575098
  Observed: 0.670588 0.317647 0.627451 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.862894
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.575098
  Observed: 0.670588 0.317647 0.627451 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.862894
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.957283
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.480710
  Observed: 0.670588 0.317647 0.627451 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.918606
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.519386
  Observed: 0.670588 0.317647 0.627451 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.918606
  Observed: 0.670588 0.317647 0.627451 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.519386
  Observed: 0.670588 0.317647 0.627451 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.319776
  Observed: 0.168627 0.078431 0.156863 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.103090 0.205594 0.177176 1.000000
  Observed: 0.101961 0.207843 0.176471 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.575098
  Observed: 0.168627 0.078431 0.156863 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.862894
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.575098
  Observed: 0.168627 0.078431 0.156863 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.862894
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.957283
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.480710
  Observed: 0.168627 0.078431 0.156863 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.918606
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.519386
  Observed: 0.168627 0.078431 0.156863 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.918606
  Observed: 0.168627 0.078431 0.156863 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.169348 0.079492 0.157841 0.519386
  Observed: 0.168627 0.078431 0.156863 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.319776
  Observed: 0.211765 0.000000 0.784314 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.069444 0.000000 0.477397 1.000000
  Observed: 0.070588 0.000000 0.478431 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.575098
  Observed: 0.211765 0.000000 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.862894
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.575098
  Observed: 0.211765 0.000000 0.784314 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.862894
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.957283
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.480710
  Observed: 0.211765 0.000000 0.784314 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.918606
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.519386
  Observed: 0.211765 0.000000 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.918606
  Observed: 0.211765 0.000000 0.784314 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.000000 0.783099 0.519386
  Observed: 0.211765 0.000000 0.784314 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.319776
  Observed: 0.627451 0.396078 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.208331 0.553970 0.000000 1.000000
  Observed: 0.207843 0.552941 0.000000 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.575098
  Observed: 0.627451 0.396078 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.862894
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.575098
  Observed: 0.627451 0.396078 0.000000 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.862894
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.957283
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.480710
  Observed: 0.627451 0.396078 0.000000 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.918606
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.519386
  Observed: 0.627451 0.396078 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.918606
  Observed: 0.627451 0.396078 0.000000 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.394383 0.000000 0.519386
  Observed: 0.627451 0.396078 0.000000 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.319776
  Observed: 0.627451 0.298039 0.588235 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.208331 0.415477 0.358048 1.000000
  Observed: 0.207843 0.415686 0.356863 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.575098
  Observed: 0.627451 0.298039 0.588235 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.862894
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.575098
  Observed: 0.627451 0.298039 0.588235 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.862894
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.957283
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.480710
  Observed: 0.627451 0.298039 0.588235 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.918606
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.519386
  Observed: 0.627451 0.298039 0.588235 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.918606
  Observed: 0.627451 0.298039 0.588235 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.630141 0.295787 0.587324 0.519386
  Observed: 0.627451 0.298039 0.588235 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.319776
  Observed: 0.211765 0.098039 0.196078 0.686275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (2,0)
  Expected: 0.069444 0.138492 0.119349 1.000000
  Observed: 0.070588 0.137255 0.121569 0.678431
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.575098
  Observed: 0.211765 0.098039 0.196078 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.862894
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.575098
  Observed: 0.211765 0.098039 0.196078 0.945098
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.862894
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.957283
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.480710
  Observed: 0.211765 0.098039 0.196078 0.847059
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.918606
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.519386
  Observed: 0.211765 0.098039 0.196078 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.918606
  Observed: 0.211765 0.098039 0.196078 1.000000
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.210047 0.098596 0.195775 0.519386
  Observed: 0.211765 0.098039 0.196078 0.886275
  Blend src factors: GL_POINTS, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.443137
  Blend src factors: GL_POINTS, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.239832
  Observed: 0.164706 0.611765 0.219608 0.239216
  Blend src factors: GL_POINTS, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.878384
  Observed: 0.000000 0.000000 0.000000 0.286275
  Blend src factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.079944
  Observed: 0.164706 0.611765 0.219608 0.082353
  Blend src factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 1.000000
  Observed: 0.000000 0.000000 0.000000 0.443137
  Blend src factors: GL_POINTS, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.239832
  Observed: 0.164706 0.611765 0.219608 0.239216
  Blend src factors: GL_POINTS, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.878384
  Observed: 0.000000 0.000000 0.000000 0.286275
  Blend src factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.079944
  Observed: 0.164706 0.611765 0.219608 0.082353
  Blend src factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.000000
  Observed: 0.352941 0.639216 0.929412 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.798440
  Observed: 0.352941 0.639216 0.929412 0.203922
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.255322
  Observed: 0.352941 0.639216 0.929412 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.543118
  Observed: 0.352941 0.639216 0.929412 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.255322
  Observed: 0.352941 0.639216 0.929412 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.543118
  Observed: 0.352941 0.639216 0.929412 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.637506
  Observed: 0.352941 0.639216 0.929412 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.160934
  Observed: 0.352941 0.639216 0.929412 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.598830
  Observed: 0.352941 0.639216 0.929412 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.199610
  Observed: 0.352941 0.639216 0.929412 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.598830
  Observed: 0.352941 0.639216 0.929412 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.199610
  Observed: 0.352941 0.639216 0.929412 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_POINTS, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.000000
  Observed: 0.517647 1.000000 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.798440
  Observed: 1.000000 1.000000 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.255322
  Observed: 1.000000 1.000000 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.543118
  Observed: 1.000000 1.000000 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.255322
  Observed: 1.000000 1.000000 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.543118
  Observed: 1.000000 1.000000 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.637506
  Observed: 1.000000 1.000000 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.160934
  Observed: 1.000000 1.000000 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.598830
  Observed: 1.000000 1.000000 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.199610
  Observed: 1.000000 1.000000 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.598830
  Observed: 1.000000 1.000000 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.199610
  Observed: 1.000000 1.000000 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_LINES, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.000000
  Observed: 0.898039 0.784314 0.992157 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.798440
  Observed: 0.898039 0.784314 0.992157 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.255322
  Observed: 0.898039 0.784314 0.992157 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.543118
  Observed: 0.898039 0.784314 0.992157 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.255322
  Observed: 0.898039 0.784314 0.992157 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.543118
  Observed: 0.898039 0.784314 0.992157 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.637506
  Observed: 0.898039 0.784314 0.992157 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.160934
  Observed: 0.898039 0.784314 0.992157 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.598830
  Observed: 0.898039 0.784314 0.992157 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.199610
  Observed: 0.898039 0.784314 0.992157 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.598830
  Observed: 0.898039 0.784314 0.992157 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.513142 0.139843 0.199610
  Observed: 0.898039 0.784314 0.992157 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.000000
  Observed: 0.647059 0.890196 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.798440
  Observed: 0.647059 0.890196 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.255322
  Observed: 0.647059 0.890196 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.543118
  Observed: 0.647059 0.890196 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.255322
  Observed: 0.647059 0.890196 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.543118
  Observed: 0.647059 0.890196 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.637506
  Observed: 0.647059 0.890196 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.160934
  Observed: 0.647059 0.890196 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.598830
  Observed: 0.647059 0.890196 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.199610
  Observed: 0.647059 0.890196 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.598830
  Observed: 0.647059 0.890196 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.199610
  Observed: 0.647059 0.890196 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.000000
  Observed: 0.623529 0.764706 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.798440
  Observed: 0.623529 0.764706 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.255322
  Observed: 0.623529 0.764706 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.543118
  Observed: 0.623529 0.764706 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.255322
  Observed: 0.623529 0.764706 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.543118
  Observed: 0.623529 0.764706 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.637506
  Observed: 0.623529 0.764706 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.160934
  Observed: 0.623529 0.764706 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.598830
  Observed: 0.623529 0.764706 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.199610
  Observed: 0.623529 0.764706 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.598830
  Observed: 0.623529 0.764706 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.919388 0.494121 0.328844 0.199610
  Observed: 0.623529 0.764706 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.000000
  Observed: 0.921569 0.909804 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.798440
  Observed: 0.921569 0.909804 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.255322
  Observed: 0.921569 0.909804 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.543118
  Observed: 0.921569 0.909804 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.255322
  Observed: 0.921569 0.909804 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.543118
  Observed: 0.921569 0.909804 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.637506
  Observed: 0.921569 0.909804 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.160934
  Observed: 0.921569 0.909804 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.598830
  Observed: 0.921569 0.909804 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.199610
  Observed: 0.921569 0.909804 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.598830
  Observed: 0.921569 0.909804 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.636275 0.611110 0.199610
  Observed: 0.921569 0.909804 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.000000
  Observed: 1.000000 0.956863 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.798440
  Observed: 1.000000 0.956863 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.255322
  Observed: 1.000000 0.956863 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.543118
  Observed: 1.000000 0.956863 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.255322
  Observed: 1.000000 0.956863 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.543118
  Observed: 1.000000 0.956863 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.637506
  Observed: 1.000000 0.956863 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.160934
  Observed: 1.000000 0.956863 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.598830
  Observed: 1.000000 0.956863 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.199610
  Observed: 1.000000 0.956863 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.598830
  Observed: 1.000000 0.956863 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.682898 0.703685 0.199610
  Observed: 1.000000 0.956863 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.000000
  Observed: 0.521569 0.717647 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.798440
  Observed: 0.521569 0.717647 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.255322
  Observed: 0.521569 0.717647 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.543118
  Observed: 0.521569 0.717647 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.255322
  Observed: 0.521569 0.717647 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.543118
  Observed: 0.521569 0.717647 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.637506
  Observed: 0.521569 0.717647 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.160934
  Observed: 0.521569 0.717647 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.598830
  Observed: 0.521569 0.717647 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.199610
  Observed: 0.521569 0.717647 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.598830
  Observed: 0.521569 0.717647 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.820064 0.447498 0.236268 0.199610
  Observed: 0.521569 0.717647 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.000000
  Observed: 0.564706 0.639216 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.798440
  Observed: 0.564706 0.639216 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.255322
  Observed: 0.564706 0.639216 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.543118
  Observed: 0.564706 0.639216 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.255322
  Observed: 0.564706 0.639216 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.543118
  Observed: 0.564706 0.639216 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.637506
  Observed: 0.564706 0.639216 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.160934
  Observed: 0.564706 0.639216 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.598830
  Observed: 0.564706 0.639216 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.199610
  Observed: 0.564706 0.639216 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.598830
  Observed: 0.564706 0.639216 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.368006 0.861526 0.199610
  Observed: 0.564706 0.639216 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.000000
  Observed: 0.980392 1.000000 0.929412 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.798440
  Observed: 0.980392 1.000000 0.929412 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.255322
  Observed: 0.980392 1.000000 0.929412 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.543118
  Observed: 0.980392 1.000000 0.929412 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.255322
  Observed: 0.980392 1.000000 0.929412 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.543118
  Observed: 0.980392 1.000000 0.929412 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.637506
  Observed: 0.980392 1.000000 0.929412 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.160934
  Observed: 0.980392 1.000000 0.929412 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.598830
  Observed: 0.980392 1.000000 0.929412 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.199610
  Observed: 0.980392 1.000000 0.929412 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.598830
  Observed: 0.980392 1.000000 0.929412 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.078427 0.199610
  Observed: 0.980392 1.000000 0.929412 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.000000
  Observed: 0.980392 0.937255 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.798440
  Observed: 0.980392 0.937255 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.255322
  Observed: 0.980392 0.937255 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.543118
  Observed: 0.980392 0.937255 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.255322
  Observed: 0.980392 0.937255 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.543118
  Observed: 0.980392 0.937255 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.637506
  Observed: 0.980392 0.937255 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.160934
  Observed: 0.980392 0.937255 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.598830
  Observed: 0.980392 0.937255 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.199610
  Observed: 0.980392 0.937255 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.598830
  Observed: 0.980392 0.937255 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.663794 0.665751 0.199610
  Observed: 0.980392 0.937255 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.000000
  Observed: 0.564706 0.737255 1.000000 0.000000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.798440
  Observed: 0.564706 0.737255 1.000000 0.800000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.255322
  Observed: 0.564706 0.737255 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.543118
  Observed: 0.564706 0.737255 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.255322
  Observed: 0.564706 0.737255 1.000000 0.258824
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.543118
  Observed: 0.564706 0.737255 1.000000 0.541176
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.637506
  Observed: 0.564706 0.737255 1.000000 0.639216
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.160934
  Observed: 0.564706 0.737255 1.000000 0.160784
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.598830
  Observed: 0.564706 0.737255 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.199610
  Observed: 0.564706 0.737255 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.598830
  Observed: 0.564706 0.737255 1.000000 0.600000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.860763 0.466602 0.274202 0.199610
  Observed: 0.564706 0.737255 1.000000 0.200000
  Blend src factors: GL_LINES, GL_POINTS
  Blend dst factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.525490
  Blend src factors: GL_LINES, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.319776
  Observed: 0.815686 0.980392 0.298039 0.321569
  Blend src factors: GL_LINES, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.462745
  Blend src factors: GL_LINES, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.255322
  Observed: 0.815686 0.980392 0.298039 0.258824
  Blend src factors: GL_LINES, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.862894
  Observed: 0.650980 0.368627 0.078431 0.266667
  Blend src factors: GL_LINES, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.064454
  Observed: 0.815686 0.980392 0.298039 0.062745
  Blend src factors: GL_LINES, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.900697
  Observed: 0.650980 0.368627 0.078431 0.305882
  Blend src factors: GL_LINES, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.102257
  Observed: 0.815686 0.980392 0.298039 0.101961
  Blend src factors: GL_LINES, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.423529
  Blend src factors: GL_LINES, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.217519
  Observed: 0.815686 0.980392 0.298039 0.219608
  Blend src factors: GL_LINES, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.462745
  Blend src factors: GL_LINES, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.255322
  Observed: 0.815686 0.980392 0.298039 0.258824
  Blend src factors: GL_LINES, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.862894
  Observed: 0.650980 0.368627 0.078431 0.266667
  Blend src factors: GL_LINES, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.064454
  Observed: 0.815686 0.980392 0.298039 0.062745
  Blend src factors: GL_LINES, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.525490
  Blend src factors: GL_LINES, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.319776
  Observed: 0.815686 0.980392 0.298039 0.321569
  Blend src factors: GL_LINES, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.443137
  Blend src factors: GL_LINES, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.239832
  Observed: 0.815686 0.980392 0.298039 0.239216
  Blend src factors: GL_LINES, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.878384
  Observed: 0.650980 0.368627 0.078431 0.286275
  Blend src factors: GL_LINES, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.079944
  Observed: 0.815686 0.980392 0.298039 0.082353
  Blend src factors: GL_LINES, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 1.000000
  Observed: 0.650980 0.368627 0.078431 0.443137
  Blend src factors: GL_LINES, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.239832
  Observed: 0.815686 0.980392 0.298039 0.239216
  Blend src factors: GL_LINES, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.878384
  Observed: 0.650980 0.368627 0.078431 0.286275
  Blend src factors: GL_LINES, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.861526 0.079944
  Observed: 0.815686 0.980392 0.298039 0.082353
  Blend src factors: GL_LINES, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.798440
  Observed: 0.545098 0.145098 0.062745 0.203922
  Blend src factors: GL_DST_COLOR, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.000000
  Observed: 0.709804 0.756863 0.282353 0.000000
  Blend src factors: GL_DST_COLOR, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.525490
  Blend src factors: GL_DST_COLOR, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.319776
  Observed: 0.709804 0.756863 0.282353 0.321569
  Blend src factors: GL_DST_COLOR, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.462745
  Blend src factors: GL_DST_COLOR, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.255322
  Observed: 0.709804 0.756863 0.282353 0.258824
  Blend src factors: GL_DST_COLOR, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 0.266667
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.064454
  Observed: 0.709804 0.756863 0.282353 0.062745
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.900697
  Observed: 0.545098 0.145098 0.062745 0.305882
  Blend src factors: GL_DST_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.102257
  Observed: 0.709804 0.756863 0.282353 0.101961
  Blend src factors: GL_DST_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.423529
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.217519
  Observed: 0.709804 0.756863 0.282353 0.219608
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.462745
  Blend src factors: GL_DST_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.255322
  Observed: 0.709804 0.756863 0.282353 0.258824
  Blend src factors: GL_DST_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.862894
  Observed: 0.545098 0.145098 0.062745 0.266667
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.064454
  Observed: 0.709804 0.756863 0.282353 0.062745
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.525490
  Blend src factors: GL_DST_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.319776
  Observed: 0.709804 0.756863 0.282353 0.321569
  Blend src factors: GL_DST_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.443137
  Blend src factors: GL_DST_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.239832
  Observed: 0.709804 0.756863 0.282353 0.239216
  Blend src factors: GL_DST_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.878384
  Observed: 0.545098 0.145098 0.062745 0.286275
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.079944
  Observed: 0.709804 0.756863 0.282353 0.082353
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 1.000000
  Observed: 0.545098 0.145098 0.062745 0.443137
  Blend src factors: GL_DST_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.239832
  Observed: 0.709804 0.756863 0.282353 0.239216
  Blend src factors: GL_DST_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.546723 0.145135 0.061416 0.878384
  Observed: 0.545098 0.145098 0.062745 0.286275
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.539518 0.844515 0.079944
  Observed: 0.709804 0.756863 0.282353 0.082353
  Blend src factors: GL_DST_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.798440
  Observed: 0.105882 0.223529 0.015686 0.203922
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.000000
  Observed: 0.270588 0.835294 0.235294 0.000000
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.525490
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.319776
  Observed: 0.270588 0.835294 0.235294 0.321569
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.462745
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.255322
  Observed: 0.270588 0.835294 0.235294 0.258824
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.862894
  Observed: 0.105882 0.223529 0.015686 0.266667
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.064454
  Observed: 0.270588 0.835294 0.235294 0.062745
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.900697
  Observed: 0.105882 0.223529 0.015686 0.305882
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.102257
  Observed: 0.270588 0.835294 0.235294 0.101961
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.423529
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.217519
  Observed: 0.270588 0.835294 0.235294 0.219608
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.462745
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.255322
  Observed: 0.270588 0.835294 0.235294 0.258824
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.862894
  Observed: 0.105882 0.223529 0.015686 0.266667
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.064454
  Observed: 0.270588 0.835294 0.235294 0.062745
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.525490
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.319776
  Observed: 0.270588 0.835294 0.235294 0.321569
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.443137
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.239832
  Observed: 0.270588 0.835294 0.235294 0.239216
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.878384
  Observed: 0.105882 0.223529 0.015686 0.286275
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.079944
  Observed: 0.270588 0.835294 0.235294 0.082353
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 1.000000
  Observed: 0.105882 0.223529 0.015686 0.443137
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.239832
  Observed: 0.270588 0.835294 0.235294 0.239216
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.103992 0.222871 0.017011 0.878384
  Observed: 0.105882 0.223529 0.015686 0.286275
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.944180 0.617254 0.800110 0.079944
  Observed: 0.270588 0.835294 0.235294 0.082353
  Blend src factors: GL_ONE_MINUS_DST_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.798440
  Observed: 0.207843 0.117647 0.023529 0.203922
  Blend src factors: GL_SRC_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.000000
  Observed: 0.372549 0.729412 0.243137 0.000000
  Blend src factors: GL_SRC_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.525490
  Blend src factors: GL_SRC_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.319776
  Observed: 0.372549 0.729412 0.243137 0.321569
  Blend src factors: GL_SRC_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.462745
  Blend src factors: GL_SRC_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.255322
  Observed: 0.372549 0.729412 0.243137 0.258824
  Blend src factors: GL_SRC_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.862894
  Observed: 0.207843 0.117647 0.023529 0.266667
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.064454
  Observed: 0.372549 0.729412 0.243137 0.062745
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.900697
  Observed: 0.207843 0.117647 0.023529 0.305882
  Blend src factors: GL_SRC_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.102257
  Observed: 0.372549 0.729412 0.243137 0.101961
  Blend src factors: GL_SRC_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.423529
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.217519
  Observed: 0.372549 0.729412 0.243137 0.219608
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.462745
  Blend src factors: GL_SRC_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.255322
  Observed: 0.372549 0.729412 0.243137 0.258824
  Blend src factors: GL_SRC_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.862894
  Observed: 0.207843 0.117647 0.023529 0.266667
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.064454
  Observed: 0.372549 0.729412 0.243137 0.062745
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.525490
  Blend src factors: GL_SRC_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.319776
  Observed: 0.372549 0.729412 0.243137 0.321569
  Blend src factors: GL_SRC_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.443137
  Blend src factors: GL_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.239832
  Observed: 0.372549 0.729412 0.243137 0.239216
  Blend src factors: GL_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.878384
  Observed: 0.207843 0.117647 0.023529 0.286275
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.079944
  Observed: 0.372549 0.729412 0.243137 0.082353
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 1.000000
  Observed: 0.207843 0.117647 0.023529 0.443137
  Blend src factors: GL_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.239832
  Observed: 0.372549 0.729412 0.243137 0.239216
  Blend src factors: GL_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.208083 0.117680 0.025079 0.878384
  Observed: 0.207843 0.117647 0.023529 0.286275
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.512063 0.808178 0.079944
  Observed: 0.372549 0.729412 0.243137 0.082353
  Blend src factors: GL_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.798440
  Observed: 0.443137 0.250980 0.054902 0.203922
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.000000
  Observed: 0.607843 0.862745 0.274510 0.000000
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.525490
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.319776
  Observed: 0.607843 0.862745 0.274510 0.321569
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.462745
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.255322
  Observed: 0.607843 0.862745 0.274510 0.258824
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.862894
  Observed: 0.443137 0.250980 0.054902 0.266667
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.064454
  Observed: 0.607843 0.862745 0.274510 0.062745
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.900697
  Observed: 0.443137 0.250980 0.054902 0.305882
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.102257
  Observed: 0.607843 0.862745 0.274510 0.101961
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.423529
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.217519
  Observed: 0.607843 0.862745 0.274510 0.219608
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.462745
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.255322
  Observed: 0.607843 0.862745 0.274510 0.258824
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.862894
  Observed: 0.443137 0.250980 0.054902 0.266667
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.064454
  Observed: 0.607843 0.862745 0.274510 0.062745
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.525490
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.319776
  Observed: 0.607843 0.862745 0.274510 0.321569
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.443137
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.239832
  Observed: 0.607843 0.862745 0.274510 0.239216
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.878384
  Observed: 0.443137 0.250980 0.054902 0.286275
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.079944
  Observed: 0.607843 0.862745 0.274510 0.082353
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 1.000000
  Observed: 0.443137 0.250980 0.054902 0.443137
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.239832
  Observed: 0.607843 0.862745 0.274510 0.239216
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.442632 0.250327 0.053348 0.878384
  Observed: 0.443137 0.250980 0.054902 0.286275
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.644710 0.836447 0.079944
  Observed: 0.607843 0.862745 0.274510 0.082353
  Blend src factors: GL_ONE_MINUS_SRC_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.798440
  Observed: 0.521569 0.294118 0.062745 0.203922
  Blend src factors: GL_DST_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.000000
  Observed: 0.686275 0.905882 0.282353 0.000000
  Blend src factors: GL_DST_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.525490
  Blend src factors: GL_DST_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.319776
  Observed: 0.686275 0.905882 0.282353 0.321569
  Blend src factors: GL_DST_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.462745
  Blend src factors: GL_DST_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.255322
  Observed: 0.686275 0.905882 0.282353 0.258824
  Blend src factors: GL_DST_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.862894
  Observed: 0.521569 0.294118 0.062745 0.266667
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.064454
  Observed: 0.686275 0.905882 0.282353 0.062745
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.900697
  Observed: 0.521569 0.294118 0.062745 0.305882
  Blend src factors: GL_DST_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.102257
  Observed: 0.686275 0.905882 0.282353 0.101961
  Blend src factors: GL_DST_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.423529
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.217519
  Observed: 0.686275 0.905882 0.282353 0.219608
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.462745
  Blend src factors: GL_DST_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.255322
  Observed: 0.686275 0.905882 0.282353 0.258824
  Blend src factors: GL_DST_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.862894
  Observed: 0.521569 0.294118 0.062745 0.266667
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.064454
  Observed: 0.686275 0.905882 0.282353 0.062745
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.525490
  Blend src factors: GL_DST_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.319776
  Observed: 0.686275 0.905882 0.282353 0.321569
  Blend src factors: GL_DST_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.443137
  Blend src factors: GL_DST_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.239832
  Observed: 0.686275 0.905882 0.282353 0.239216
  Blend src factors: GL_DST_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.878384
  Observed: 0.521569 0.294118 0.062745 0.286275
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.079944
  Observed: 0.686275 0.905882 0.282353 0.082353
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 1.000000
  Observed: 0.521569 0.294118 0.062745 0.443137
  Blend src factors: GL_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.239832
  Observed: 0.686275 0.905882 0.282353 0.239216
  Blend src factors: GL_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.519558 0.293831 0.062619 0.878384
  Observed: 0.521569 0.294118 0.062745 0.286275
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.688214 0.845719 0.079944
  Observed: 0.686275 0.905882 0.282353 0.082353
  Blend src factors: GL_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.798440
  Observed: 0.129412 0.074510 0.015686 0.203922
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.000000
  Observed: 0.294118 0.686275 0.235294 0.000000
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.525490
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.319776
  Observed: 0.294118 0.686275 0.235294 0.321569
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.462745
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.255322
  Observed: 0.294118 0.686275 0.235294 0.258824
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.862894
  Observed: 0.129412 0.074510 0.015686 0.266667
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.064454
  Observed: 0.294118 0.686275 0.235294 0.062745
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.900697
  Observed: 0.129412 0.074510 0.015686 0.305882
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.102257
  Observed: 0.294118 0.686275 0.235294 0.101961
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.423529
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.217519
  Observed: 0.294118 0.686275 0.235294 0.219608
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.462745
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.255322
  Observed: 0.294118 0.686275 0.235294 0.258824
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.862894
  Observed: 0.129412 0.074510 0.015686 0.266667
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.064454
  Observed: 0.294118 0.686275 0.235294 0.062745
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.525490
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.319776
  Observed: 0.294118 0.686275 0.235294 0.321569
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.443137
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.239832
  Observed: 0.294118 0.686275 0.235294 0.239216
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.878384
  Observed: 0.129412 0.074510 0.015686 0.286275
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.079944
  Observed: 0.294118 0.686275 0.235294 0.082353
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.443137
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.239832
  Observed: 0.294118 0.686275 0.235294 0.239216
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.878384
  Observed: 0.129412 0.074510 0.015686 0.286275
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.079944
  Observed: 0.294118 0.686275 0.235294 0.082353
  Blend src factors: GL_ONE_MINUS_DST_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.798440
  Observed: 0.129412 0.074510 0.015686 0.203922
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.000000
  Observed: 0.294118 0.686275 0.235294 0.000000
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.525490
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.319776
  Observed: 0.294118 0.686275 0.235294 0.321569
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.462745
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.255322
  Observed: 0.294118 0.686275 0.235294 0.258824
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.862894
  Observed: 0.129412 0.074510 0.015686 0.266667
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.064454
  Observed: 0.294118 0.686275 0.235294 0.062745
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.900697
  Observed: 0.129412 0.074510 0.015686 0.305882
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.102257
  Observed: 0.294118 0.686275 0.235294 0.101961
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.423529
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.217519
  Observed: 0.294118 0.686275 0.235294 0.219608
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.462745
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.255322
  Observed: 0.294118 0.686275 0.235294 0.258824
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.862894
  Observed: 0.129412 0.074510 0.015686 0.266667
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.064454
  Observed: 0.294118 0.686275 0.235294 0.062745
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.525490
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.319776
  Observed: 0.294118 0.686275 0.235294 0.321569
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.443137
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.239832
  Observed: 0.294118 0.686275 0.235294 0.239216
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.878384
  Observed: 0.129412 0.074510 0.015686 0.286275
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.079944
  Observed: 0.294118 0.686275 0.235294 0.082353
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 1.000000
  Observed: 0.129412 0.074510 0.015686 0.443137
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.239832
  Observed: 0.294118 0.686275 0.235294 0.239216
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.131158 0.074175 0.015808 0.878384
  Observed: 0.129412 0.074510 0.015686 0.286275
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.971346 0.468558 0.798907 0.079944
  Observed: 0.294118 0.686275 0.235294 0.082353
  Blend src factors: GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.798440
  Observed: 0.164706 0.000000 0.078431 0.203922
  Blend src factors: GL_CONSTANT_COLOR, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.000000
  Observed: 0.329412 0.611765 0.298039 0.000000
  Blend src factors: GL_CONSTANT_COLOR, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.525490
  Blend src factors: GL_CONSTANT_COLOR, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.319776
  Observed: 0.329412 0.611765 0.298039 0.321569
  Blend src factors: GL_CONSTANT_COLOR, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.462745
  Blend src factors: GL_CONSTANT_COLOR, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.255322
  Observed: 0.329412 0.611765 0.298039 0.258824
  Blend src factors: GL_CONSTANT_COLOR, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.862894
  Observed: 0.164706 0.000000 0.078431 0.266667
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.064454
  Observed: 0.329412 0.611765 0.298039 0.062745
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.900697
  Observed: 0.164706 0.000000 0.078431 0.305882
  Blend src factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.102257
  Observed: 0.329412 0.611765 0.298039 0.101961
  Blend src factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.423529
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.217519
  Observed: 0.329412 0.611765 0.298039 0.219608
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.462745
  Blend src factors: GL_CONSTANT_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.255322
  Observed: 0.329412 0.611765 0.298039 0.258824
  Blend src factors: GL_CONSTANT_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.862894
  Observed: 0.164706 0.000000 0.078431 0.266667
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.064454
  Observed: 0.329412 0.611765 0.298039 0.062745
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.525490
  Blend src factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.319776
  Observed: 0.329412 0.611765 0.298039 0.321569
  Blend src factors: GL_CONSTANT_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.443137
  Blend src factors: GL_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.239832
  Observed: 0.329412 0.611765 0.298039 0.239216
  Blend src factors: GL_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.878384
  Observed: 0.164706 0.000000 0.078431 0.286275
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.079944
  Observed: 0.329412 0.611765 0.298039 0.082353
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 1.000000
  Observed: 0.164706 0.000000 0.078431 0.443137
  Blend src factors: GL_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.239832
  Observed: 0.329412 0.611765 0.298039 0.239216
  Blend src factors: GL_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.000000 0.078427 0.878384
  Observed: 0.164706 0.000000 0.078431 0.286275
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.394383 0.861526 0.079944
  Observed: 0.329412 0.611765 0.298039 0.082353
  Blend src factors: GL_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.798440
  Observed: 0.486275 0.368627 0.000000 0.203922
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.000000
  Observed: 0.650980 0.980392 0.219608 0.000000
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.525490
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.319776
  Observed: 0.650980 0.980392 0.219608 0.321569
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.462745
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.255322
  Observed: 0.650980 0.980392 0.219608 0.258824
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.862894
  Observed: 0.486275 0.368627 0.000000 0.266667
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.064454
  Observed: 0.650980 0.980392 0.219608 0.062745
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.900697
  Observed: 0.486275 0.368627 0.000000 0.305882
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.102257
  Observed: 0.650980 0.980392 0.219608 0.101961
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.423529
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.217519
  Observed: 0.650980 0.980392 0.219608 0.219608
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.462745
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.255322
  Observed: 0.650980 0.980392 0.219608 0.258824
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.862894
  Observed: 0.486275 0.368627 0.000000 0.266667
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.064454
  Observed: 0.650980 0.980392 0.219608 0.062745
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.525490
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.319776
  Observed: 0.650980 0.980392 0.219608 0.321569
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.443137
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.239832
  Observed: 0.650980 0.980392 0.219608 0.239216
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.878384
  Observed: 0.486275 0.368627 0.000000 0.286275
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.079944
  Observed: 0.650980 0.980392 0.219608 0.082353
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 1.000000
  Observed: 0.486275 0.368627 0.000000 0.443137
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.239832
  Observed: 0.650980 0.980392 0.219608 0.239216
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.368006 0.000000 0.878384
  Observed: 0.486275 0.368627 0.000000 0.286275
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.762389 0.783099 0.079944
  Observed: 0.650980 0.980392 0.219608 0.082353
  Blend src factors: GL_ONE_MINUS_CONSTANT_COLOR, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.798440
  Observed: 0.486275 0.274510 0.058824 0.203922
  Blend src factors: GL_CONSTANT_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.000000
  Observed: 0.650980 0.886275 0.278431 0.000000
  Blend src factors: GL_CONSTANT_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.525490
  Blend src factors: GL_CONSTANT_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.319776
  Observed: 0.650980 0.886275 0.278431 0.321569
  Blend src factors: GL_CONSTANT_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.462745
  Blend src factors: GL_CONSTANT_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.255322
  Observed: 0.650980 0.886275 0.278431 0.258824
  Blend src factors: GL_CONSTANT_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.862894
  Observed: 0.486275 0.274510 0.058824 0.266667
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.064454
  Observed: 0.650980 0.886275 0.278431 0.062745
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.900697
  Observed: 0.486275 0.274510 0.058824 0.305882
  Blend src factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.102257
  Observed: 0.650980 0.886275 0.278431 0.101961
  Blend src factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.423529
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.217519
  Observed: 0.650980 0.886275 0.278431 0.219608
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.462745
  Blend src factors: GL_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.255322
  Observed: 0.650980 0.886275 0.278431 0.258824
  Blend src factors: GL_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.862894
  Observed: 0.486275 0.274510 0.058824 0.266667
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.064454
  Observed: 0.650980 0.886275 0.278431 0.062745
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.525490
  Blend src factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.319776
  Observed: 0.650980 0.886275 0.278431 0.321569
  Blend src factors: GL_CONSTANT_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.443137
  Blend src factors: GL_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.239832
  Observed: 0.650980 0.886275 0.278431 0.239216
  Blend src factors: GL_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.878384
  Observed: 0.486275 0.274510 0.058824 0.286275
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.079944
  Observed: 0.650980 0.886275 0.278431 0.082353
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 1.000000
  Observed: 0.486275 0.274510 0.058824 0.443137
  Blend src factors: GL_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.239832
  Observed: 0.650980 0.886275 0.278431 0.239216
  Blend src factors: GL_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.488037 0.276005 0.058820 0.878384
  Observed: 0.486275 0.274510 0.058824 0.286275
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.670388 0.841919 0.079944
  Observed: 0.650980 0.886275 0.278431 0.082353
  Blend src factors: GL_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.798440
  Observed: 0.164706 0.094118 0.019608 0.203922
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_POINTS
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.000000
  Observed: 0.329412 0.705882 0.239216 0.000000
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_POINTS
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.525490
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_LINES
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.319776
  Observed: 0.329412 0.705882 0.239216 0.321569
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_LINES
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.462745
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.255322
  Observed: 0.329412 0.705882 0.239216 0.258824
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.862894
  Observed: 0.164706 0.094118 0.019608 0.266667
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.064454
  Observed: 0.329412 0.705882 0.239216 0.062745
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.900697
  Observed: 0.164706 0.094118 0.019608 0.305882
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.102257
  Observed: 0.329412 0.705882 0.239216 0.101961
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.423529
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.217519
  Observed: 0.329412 0.705882 0.239216 0.219608
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_SRC_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.462745
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.255322
  Observed: 0.329412 0.705882 0.239216 0.258824
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.862894
  Observed: 0.164706 0.094118 0.019608 0.266667
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.064454
  Observed: 0.329412 0.705882 0.239216 0.062745
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_DST_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.525490
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.319776
  Observed: 0.329412 0.705882 0.239216 0.321569
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_SRC_ALPHA_SATURATE
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.443137
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.239832
  Observed: 0.329412 0.705882 0.239216 0.239216
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.878384
  Observed: 0.164706 0.094118 0.019608 0.286275
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.079944
  Observed: 0.329412 0.705882 0.239216 0.082353
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_COLOR
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 1.000000
  Observed: 0.164706 0.094118 0.019608 0.443137
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.239832
  Observed: 0.329412 0.705882 0.239216 0.239216
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.162679 0.092002 0.019607 0.878384
  Observed: 0.164706 0.094118 0.019608 0.286275
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_POINTS, GL_LINES
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 1.000000 0.486385 0.802706 0.079944
  Observed: 0.329412 0.705882 0.239216 0.082353
  Blend src factors: GL_ONE_MINUS_CONSTANT_ALPHA, GL_ONE_MINUS_CONSTANT_ALPHA
  Blend dst factors: GL_LINES, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.543118
  Observed: 0.670588 0.317647 0.784314 0.541176
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_ADD, GL_FUNC_REVERSE_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.319776
  Observed: 0.000000 0.000000 0.000000 0.203922
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_MIN
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.798440
  Observed: 0.000000 0.000000 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_ADD, GL_MAX
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.319776
  Observed: 0.000000 0.000000 0.000000 0.203922
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_SUBTRACT, GL_MIN
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.798440
  Observed: 0.000000 0.000000 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_SUBTRACT, GL_MAX
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.543118
  Observed: 0.670588 0.317647 0.784314 0.541176
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.670840 0.314891 0.625258 0.543118
  Observed: 0.670588 0.317647 0.784314 0.541176
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_DST_ALPHA, GL_ONE_MINUS_SRC_COLOR
  Blend ops: GL_FUNC_REVERSE_SUBTRACT, GL_FUNC_REVERSE_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.319776
  Observed: 0.000000 0.000000 0.000000 0.203922
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_REVERSE_SUBTRACT, GL_MIN
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.000000 0.000000 0.000000 0.798440
  Observed: 0.000000 0.000000 0.000000 0.686275
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_FUNC_REVERSE_SUBTRACT, GL_MAX
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.000000
  Observed: 0.164706 0.611765 0.219608 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MIN, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.000000
  Observed: 0.164706 0.611765 0.219608 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MIN, GL_FUNC_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.650716 0.368006 0.078427 0.000000
  Observed: 0.164706 0.611765 0.219608 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MIN, GL_FUNC_REVERSE_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.000000
  Observed: 0.352941 0.639216 0.929412 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MAX, GL_FUNC_ADD
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.000000
  Observed: 0.352941 0.639216 0.929412 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MAX, GL_FUNC_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750
Probe at (0,0)
  Expected: 0.840188 0.394383 0.783099 0.000000
  Observed: 0.352941 0.639216 0.929412 0.000000
  Blend src factors: GL_POINTS, GL_POINTS
  Blend dst factors: GL_POINTS, GL_POINTS
  Blend ops: GL_MAX, GL_FUNC_REVERSE_SUBTRACT
  Blend color: 0.250, 0.000, 1.000, 0.750

Ran 27552 tests.
Stderr
couldn't open libtxc_dxtn.so, software DXTn compression/decompression unavailable
Mesa warning: couldn't open libtxc_dxtn.so, software DXTn compression/decompression unavailable
Environment
PIGLIT_SOURCE_DIR="/root/piglit" PIGLIT_PLATFORM="mixed_glx_egl"
Command /root/piglit/bin/gl-1.0-blend-func -auto -fbo
dmesg

        

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