- specify clear values for the accumulation buffer
C SPECIFICATION
PARAMETERS
_param1, _param2, _param3, _param4
Specify the red, green,
blue, and alpha values
used when the accumula-
tion 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 exe-
cuted between the execution of glBegin and the correspond-
ing execution of glEnd.
ASSOCIATED GETS
glGet with argument GL_ACCUM_CLEAR_VALUE
SEE ALSO
glAccum, glClear
1