glutLayerGet man page

glutLayerGet — Allows you to get some overlay state/option variables.

Library

OpenGLUT - overlays

Synopsis

#include <openglut.h>

int
glutLayerGet(GLenum eWhat);

Parameters


eWhat


Enumerated parameter ID.

Description

Returns some useful information about layers. Or, it would be useful if layers were implemented...


eWhat


may be given any of the following values:


-


GLUT_HAS_OVERLAY


-


GLUT_LAYER_IN_USE


-


GLUT_NORMAL_DAMAGED

0 unless the window system has told us that the normal layer is damaged (glutPostRedisplay() does not affect this).


-


GLUT_OVERLAY_DAMAGED


-1 if no layer in use.


-


GLUT_OVERLAY_POSSIBLE


-


GLUT_TRANSPARENT_INDEX


-1 if no layer in use.

All information relates to the


current window

and any overlay that it may have.

See Also

glutSetOption(3) glutGet(3) glutDeviceGet(3) glutGetModifiers(3)

 

Referenced By

glutDeviceGet(3), glutGet(3), glutGetModifiers(3), glutSetOption(3).