NAME fglClearColor - specify clear values for the color buffers FORTRAN SPECIFICATION SUBROUTINE fglClearColor( REAL*4 red, REAL*4 green, REAL*4 blue, REAL*4 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 fglClearColor specifies the red, green, blue, and alpha values used by fglClear to clear the color buffers. Values specified by fglClearColor are clamped to the range [0,1]. ERRORS GL_INVALID_OPERATION is generated if fglClearColor is executed between the execution of fglBegin and the corresponding execution of fglEnd. ASSOCIATED GETS fglGet with argument GL_COLOR_CLEAR_VALUE SEE ALSO fglClear