/usr/share/psychtoolbox-3/PsychOneliners/IsGLES1.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | function rc = IsGLES1
% Returns 1 if active rendering api is OpenGL-ES1.x,
% 0 otherwise.
rc = strcmp(getenv('PSYCH_USE_GFX_BACKEND'), 'gles1');
|