GLUTLAYERGET(3)

NAME
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)