---
name: "POLYTYPE_ATEX_MASK"
section: "3alleg"
platform: "linux"
package: "liballegro-doc"
version: "2:4.2.2-2.2"
release: "Debian 6.0 (Squeeze)"
platforms: ["linux"]
url: "https://new.carta.tech/POLYTYPE_ATEX_MASK"
---

# POLYTYPE\_ATEX\_MASK(3alleg)

Polygon rendering mode type Allegro game programming library.

## NAME

POLYTYPE\_ATEX\_MASK, POLYTYPE\_PTEX\_MASK - Polygon rendering mode type Allegro game programming library.

## SYNOPSIS

**#include \<allegro.h\>**

**#define POLYTYPE\_ATEX\_MASK**

**#define POLYTYPE\_PTEX\_MASK**

## DESCRIPTION

Like POLYTYPE\_ATEX and POLYTYPE\_PTEX, but zero texture map pixels are skipped, allowing parts of the texture map to be transparent.

## SEE ALSO

[**polygon3d**(3alleg)](/polygon3d/3alleg.md), [**POLYTYPE\_ATEX**(3alleg)](/POLYTYPE_ATEX/3alleg.md), [**POLYTYPE\_PTEX**(3alleg)](/POLYTYPE_PTEX/3alleg.md), [**ex3d**(3alleg)](/ex3d/3alleg.md)