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@@ -1074,6 +1074,9 @@ Available video output drivers are:
reinhard
Reinhard tone mapping algorithm. Very simple continuous curve.
Preserves dynamic range and peak but uses nonlinear contrast.
+ hable
+ Similar to ``reinhard`` but preserves dark contrast better (slightly
+ sigmoidal). Developed by John Hable for use in video games.
gamma
Fits a logarithmic transfer between the tone curves.
linear