glClearAccum3x

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.

Overview

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