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

# gluTessBeginContour(3x)

delimit a contour description

## NAME

**gluTessBeginContour, gluTessEndContour** - delimit a contour description

## C SPECIFICATION

void **gluTessBeginContour**( GLUtesselator\* *tess* )

```

```

void **gluTessEndContour**( GLUtesselator\* *tess* )

```

```

delim $$

## PARAMETERS

- *tess*

  Specifies the tessellation object (created with **gluNewTess**).

## DESCRIPTION

**gluTessBeginContour** and **gluTessEndContour** delimit the definition of a polygon contour. Within each **gluTessBeginContour**/**gluTessEndContour** pair, there can be zero or more calls to **gluTessVertex**. The vertices specify a closed contour (the last vertex of each contour is automatically linked  to the first).  See the **gluTessVertex** reference page for more details. **gluTessBeginContour** can only be called between **gluTessBeginPolygon** and **gluTessEndPolygon**.

## SEE ALSO

**gluNewTess(3G)**, **gluTessBeginPolygon(3G)**, **gluTessVertex(3G)**,  **gluTessCallback(3G)**, **gluTessProperty(3G)**, **gluTessNormal(3G)**, **gluTessEndPolygon**