function high = ScreenUsesHighGammaBits(w)
% high = ScreenUsesHighGammaBits(windowPtrOrScreenNumber)
% 
% Is this one of those pesky more-than-8-bit-DAC cards that uses the
% highest bits rather than the lowest bits of each 16 bit gamma table
% entry?
% 
% The value is set in PrepareScreen.m.
% 
% See also LoadClut, ScreenDacBits.

% 2/28/02  dhb,ly,kr  Wrote it as Is10BitsShiftHigh.
% 3/20/02  dgp				Cosmetic. Renamed DriverUsesHighGammaBits.
% 6/6/02   dgp        Renamed ScreenUsesHighGammaBits. 
%                     Changed test to specify Gen2, based on info from Ben Singer.
% 6/20/02  dgp        Moved all code to PrepareScreen.m.

high=Screen(w,'Preference','UseHighGammaBits');
