C SPECIFICATION

       void GLAPIENTRY 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



                                                              GLCLEARCOLOR(3G)