1991-2006
Silicon Graphics, Inc.
glClearColor
3G

# glClearColor

specify clear values for the color buffers

## C Specification

                    void glClearColor
                    GLclampf red
                    GLclampf green
                    GLclampf blue
                    GLclampf alpha

## Parameters

`red`
`green`
`blue`
`alpha`

  Specify the red, green, blue, and alpha values used when the color buffers are cleared. The initial values are all 0.

## Description

`glClearColor` specifies the red, green, blue, and alpha values used by glClear to clear the color buffers. Values specified by `glClearColor` are clamped to the range 0 1 .

## Errors

`GL_INVALID_OPERATION` is generated if `glClearColor` is executed between the execution of glBegin and the corresponding execution of glEnd.

## Associated Gets

glGet with argument `GL_COLOR_CLEAR_VALUE`

## See Also

glClear

## Copyright

Copyright 1991-2006 Silicon Graphics, Inc. This document is licensed under the SGI Free Software B License. For details, see http://oss.sgi.com/projects/FreeB/.