glClearAccum

Name

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

glAccum, glClear