fglClearAccum(3G) OpenGL Reference fglClearAccum(3G)NAMEfglClearAccum - specify clear values for the accumulation buffer
FORTRAN SPECIFICATION
SUBROUTINE fglClearAccum( 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 accumulation buffer is cleared. The
initial values are all 0.
DESCRIPTIONfglClearAccum specifies the red, green, blue, and alpha values used by
fglClear to clear the accumulation buffer.
Values specified by fglClearAccum are clamped to the range [-1, 1].
ERRORS
GL_INVALID_OPERATION is generated if fglClearAccum is executed between
the execution of fglBegin and the corresponding execution of fglEnd.
ASSOCIATED GETS
fglGet with argument GL_ACCUM_CLEAR_VALUE
SEE ALSO
fglAccum, fglClear
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