function rval = kPsychNeed32BPCFloat % rval = kPsychNeed32BPCFloat % % Return a flag that you can pass to the 'imagingmode' parameter of % Screen('OpenWindow') in order to request support for internal % framebuffers that store color information with 32 bits per color % component in floating point format. % % If requested and supported by the graphics hardware, Psychtoolbox will % configure itself to store and process all color information as 32 bit % floating point numbers. % FIXME: More info... % % This is part of the Psychtoolbox imaging pipeline and only works on modern % graphics hardware, e.g., ATI Radeon X1000 and later, NVidia Geforce-6000 % and later. Check the www.psychtoolbox.org Wiki for graphics hardware % recommendations and for a description of PTB's image processing % capabilities. rval = 32; return