---
name: "Coin_environment_variables"
section: "3"
platform: "linux"
package: "libcoin80-doc"
version: "3.1.4~abc9f50-7"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/Coin_environment_variables"
---

# Coin\_environment\_variables(3)

Environment variables Debug related: COIN\_DEBUG\_GLU\_INFO COIN\_DEBUG\_FONTSUPPORT COIN\_DEBUG\_3DS COIN\_DEBUG\_AUDIO COIN\_DEBUG\_BREAK COIN\_DEBUG\_CACHING COIN\_DEBUG\_DL COIN\_DEBUG\_IMPORT COIN\_DEBUG\_LISTMODULES COIN\_DEBUG\_SOINPUT\_FINDFILE COIN\_DEBUG\_SOOFFSCREENRENDERER COIN\_DEBUG\_WRITEREFS COIN\_RANDOMIZE\_RENDER\_CACHING Font/Text rendering related: COIN\_FREETYPE2\_LIBNAME COIN\_FORCE\_FREETYPE\_OFF COIN\_FORCE\_WIN32FONTS\_OFF COIN\_FONT\_PATH COIN\_DISABLE\_UTF8 COIN\_GLU\_LIBNAME COIN\_AGLGLUE\_NO\_PBUFFERS COIN\_DEBUG\_DL COIN\_SIMAGE\_LIBNAME COIN\_GLXGLUE\_NO\_GLX13\_PBUFFERS COIN\_GLXGLUE\_NO\_PBUFFERS COIN\_ZLIB\_LIBNAME COIN\_BZIP2\_LIBNAME COIN\_WGLGLUE\_NO\_PBUFFERS COIN\_DONT\_MANGLE\_OUTPUT\_NAMES COIN\_EXTSELECTION\_SAVE\_OFFSCREENBUFFER COIN\_FORCE\_TILED\_OFFSCREENRENDERING COIN\_GLERROR\_DEBUGGING COIN\_IDA\_DEBUG COIN\_OFFSCREENRENDERER\_MAX\_TILESIZE COIN\_OFFSCREENRENDERER\_TILEHEIGHT COIN\_OFFSCREENRENDERER\_TILEWIDTH COIN\_OLDSTYLE\_FORMATTING COIN\_SEPARATE\_DIFFUSE\_TRANSPARENCY\_OVERRIDE COIN\_SOINPUT\_SEARCH\_GLOBAL\_DICT COIN\_SOOFFSCREENRENDERER\_TILEPREFIX COIN\_SORTED\_LAYERS\_USE\_NVIDIA\_RC Sound related: COIN\_SOUND\_BUFFER\_LENGTH COIN\_SOUND\_DISABLE COIN\_SOUND\_DRIVER\_NAME COIN\_SOUND\_ENABLE COIN\_SOUND\_INTRO\_PAUSE COIN\_SOUND\_NUM\_BUFFERS COIN\_SOUND\_THREAD\_SLEEP\_TIME COIN\_OPENAL\_LIBNAME Texture control related: COIN\_TEX2\_LINEAR\_LIMIT COIN\_TEX2\_LINEAR\_MIPMAP\_LIMIT COIN\_TEX2\_MIPMAP\_LIMIT COIN\_TEX2\_SCALEUP\_LIMIT COIN\_TEX2\_USE\_GLTEXSUBIMAGE COIN\_MAXIMUM\_TEXTURE2\_SIZE COIN\_MAXIMUM\_TEXTURE3\_SIZE Rendering (OpenGL) related: COIN\_USE\_GL\_VERTEX\_ARRAYS COIN\_NORMALIZATION\_CUBEMAP\_SIZE OIV\_NUM\_SORTED\_LAYERS\_PASSES COIN\_MAX\_VBO\_MEMORY COIN\_NUM\_SORTED\_LAYERS\_PASSES COIN\_QUADMESH\_PRECISE\_LIGHTING COIN\_ENABLE\_CONFORMANT\_GL\_CLAMP COIN\_GLBBOX IV\_SEPARATOR\_MAX\_CACHES COIN\_AUTOCACHE\_LOCAL\_MAX COIN\_AUTOCACHE\_LOCAL\_MIN COIN\_AUTOCACHE\_REMOTE\_MAX COIN\_AUTOCACHE\_REMOTE\_MIN COIN\_AUTO\_CACHING COIN\_ENABLE\_VBO COIN\_SOOFFSCREENRENDERER\_ALLOW\_RESOURCEHOG SO\_DRAGGER\_DIR SO\_SHADER\_DIR COINDIR

## NAME

Coin\_environment\_variables - Environment variables  Debug related:

COIN\_DEBUG\_GLU\_INFO COIN\_DEBUG\_FONTSUPPORT COIN\_DEBUG\_3DS COIN\_DEBUG\_AUDIO COIN\_DEBUG\_BREAK COIN\_DEBUG\_CACHING COIN\_DEBUG\_DL COIN\_DEBUG\_IMPORT COIN\_DEBUG\_LISTMODULES COIN\_DEBUG\_SOINPUT\_FINDFILE COIN\_DEBUG\_SOOFFSCREENRENDERER COIN\_DEBUG\_WRITEREFS COIN\_RANDOMIZE\_RENDER\_CACHING

Font/Text rendering related:

COIN\_FREETYPE2\_LIBNAME COIN\_FORCE\_FREETYPE\_OFF COIN\_FORCE\_WIN32FONTS\_OFF COIN\_FONT\_PATH

COIN\_DISABLE\_UTF8

COIN\_GLU\_LIBNAME COIN\_AGLGLUE\_NO\_PBUFFERS COIN\_DEBUG\_DL COIN\_SIMAGE\_LIBNAME COIN\_GLXGLUE\_NO\_GLX13\_PBUFFERS COIN\_GLXGLUE\_NO\_PBUFFERS COIN\_ZLIB\_LIBNAME COIN\_BZIP2\_LIBNAME COIN\_WGLGLUE\_NO\_PBUFFERS COIN\_DONT\_MANGLE\_OUTPUT\_NAMES COIN\_EXTSELECTION\_SAVE\_OFFSCREENBUFFER COIN\_FORCE\_TILED\_OFFSCREENRENDERING COIN\_GLERROR\_DEBUGGING COIN\_IDA\_DEBUG COIN\_OFFSCREENRENDERER\_MAX\_TILESIZE COIN\_OFFSCREENRENDERER\_TILEHEIGHT COIN\_OFFSCREENRENDERER\_TILEWIDTH COIN\_OLDSTYLE\_FORMATTING COIN\_SEPARATE\_DIFFUSE\_TRANSPARENCY\_OVERRIDE COIN\_SOINPUT\_SEARCH\_GLOBAL\_DICT COIN\_SOOFFSCREENRENDERER\_TILEPREFIX COIN\_SORTED\_LAYERS\_USE\_NVIDIA\_RC

Sound related:

COIN\_SOUND\_BUFFER\_LENGTH COIN\_SOUND\_DISABLE COIN\_SOUND\_DRIVER\_NAME COIN\_SOUND\_ENABLE COIN\_SOUND\_INTRO\_PAUSE COIN\_SOUND\_NUM\_BUFFERS COIN\_SOUND\_THREAD\_SLEEP\_TIME COIN\_OPENAL\_LIBNAME

Texture control related:

COIN\_TEX2\_LINEAR\_LIMIT COIN\_TEX2\_LINEAR\_MIPMAP\_LIMIT COIN\_TEX2\_MIPMAP\_LIMIT COIN\_TEX2\_SCALEUP\_LIMIT COIN\_TEX2\_USE\_GLTEXSUBIMAGE COIN\_MAXIMUM\_TEXTURE2\_SIZE COIN\_MAXIMUM\_TEXTURE3\_SIZE

Rendering (OpenGL) related:

COIN\_USE\_GL\_VERTEX\_ARRAYS COIN\_NORMALIZATION\_CUBEMAP\_SIZE OIV\_NUM\_SORTED\_LAYERS\_PASSES COIN\_MAX\_VBO\_MEMORY COIN\_NUM\_SORTED\_LAYERS\_PASSES COIN\_QUADMESH\_PRECISE\_LIGHTING COIN\_ENABLE\_CONFORMANT\_GL\_CLAMP COIN\_GLBBOX

IV\_SEPARATOR\_MAX\_CACHES COIN\_AUTOCACHE\_LOCAL\_MAX COIN\_AUTOCACHE\_LOCAL\_MIN COIN\_AUTOCACHE\_REMOTE\_MAX COIN\_AUTOCACHE\_REMOTE\_MIN COIN\_AUTO\_CACHING COIN\_ENABLE\_VBO

COIN\_SOOFFSCREENRENDERER\_ALLOW\_RESOURCEHOG

SO\_DRAGGER\_DIR SO\_SHADER\_DIR COINDIR