1991-2006
Silicon Graphics, Inc.
glClearAccum
3G

# glClearAccum

specify clear values for the accumulation buffer

## C Specification

                    void glClearAccum
                    GLfloat red
                    GLfloat green
                    GLfloat blue
                    GLfloat alpha

## Parameters

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

  Specify the red, green, blue, and alpha values used when the accumulation buffer is cleared. The initial values are all 0.

## Description

`glClearAccum` specifies the red, green, blue, and alpha values used by glClear to clear the accumulation buffer.

Values specified by `glClearAccum` are clamped to the range -1 1 .

## Errors

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

## Associated Gets

glGet with argument `GL_ACCUM_CLEAR_VALUE`

## See Also

glAccum, 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/.