C
glClearAccum
Chapter 3
52
glClearAccum
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
glClear