]> git.sesse.net Git - movit/blobdiff - lift_gamma_gain_effect.h
Fix a memory leak in expect_equal(). Found by Coverity Scan.
[movit] / lift_gamma_gain_effect.h
index 131957009a37bd35ccc954035f05a85ac03e358f..36f6a77370461c2c66b8d6b5e60b11e298c21df4 100644 (file)
@@ -16,6 +16,9 @@
 // rest of the curve relatively little. Thus, we actually convert to gamma 2.2
 // before lift, and then back again afterwards. (Gain and gamma are,
 // up to constants, commutative with the de-gamma operation.)
+//
+// Also, gamma is a case where we would not want premultiplied alpha.
+// Thus, we have to divide away alpha first, and then re-multiply it back later.
 
 #include "effect.h"