SkColorCubeFilter: require alpha == 0xFF.

include/effects/SkColorCubeFilter.h

Index: include/effects/SkColorCubeFilter.h
diff --git a/include/effects/SkColorCubeFilter.h b/include/effects/SkColorCubeFilter.h
index c3a19c713134d37e7ef8a3c3c4be635bf6a63a1a..6af46681515df9c81c31cbcd86234bb2f4d20fb3 100644
--- a/include/effects/SkColorCubeFilter.h
+++ b/include/effects/SkColorCubeFilter.h
@@ -17,7 +17,7 @@ public:
     /** cubeData must containt a 3D data in the form of cube of the size:
      *  cubeDimension * cubeDimension * cubeDimension * sizeof(SkColor)
      *  This cube contains a transform where (x,y,z) maps to the (r,g,b).
-     *  The alpha components of the colors are ignored (treated as 0xFF).
+     *  The alpha components of the colors must be 0xFF.
      */

[Noel Gordon, 2015/08/20 01:43:29]

Yeap,
https://code.google.com/p/chromium/codesearch#chromium/src/third_party/qcms/s...
1222

     static SkColorFilter* Create(SkData* cubeData, int cubeDimension);