isMaskSupported   184 modules/cudafeatures2d/src/brute_force_matcher.cpp         virtual bool isMaskSupported() const { return true; }
isMaskSupported   983 modules/features2d/include/opencv2/features2d.hpp     virtual bool isMaskSupported() const { return true; }
isMaskSupported  1249 modules/features2d/src/matchers.cpp bool FlannBasedMatcher::isMaskSupported() const