---
name: "glClearAccum"
section: "3x"
platform: "linux"
package: "xlibmesa-gl-dev"
version: "4.3.0.dfsg.1-14sarge7"
release: "Debian 3.1 (Sarge)"
platforms: ["linux"]
url: "https://new.carta.tech/glClearAccum"
---

# glClearAccum(3x)

specify clear values for the accumulation buffer

## 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(3G)**, **glClear(3G)**