GLUTLAYERGET

Section: C Library Functions (3)
Updated: LOCAL
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BSD mandoc

NAME

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

LIBRARY

OpenGLUT - overlays

SYNOPSIS

In openglut.h Ft int Fn glutLayerGet GLenum eWhat

PARAMETERS

Bf Em
eWhat Ef
Enumerated parameter ID.

DESCRIPTION

Returns some useful information about layers. Or, it would be useful if layers were implemented... Bf Sy
eWhat Ef
may be given any of the following values:

- Bf Sy
GLUT_HAS_OVERLAY Ef

- Bf Sy
GLUT_LAYER_IN_USE Ef

- Bf Sy
GLUT_NORMAL_DAMAGED Ef

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

- Bf Sy
GLUT_OVERLAY_DAMAGED Ef

-1 if no layer in use.

- Bf Sy
GLUT_OVERLAY_POSSIBLE Ef

- Bf Sy
GLUT_TRANSPARENT_INDEX Ef

-1 if no layer in use.

All information relates to the Bf Li
current window Ef
and any overlay that it may have.