.TH "coin_environment_variables" 3 "Sun Jan 25 2026 09:55:22" "Version 4.0.7" "Coin" \" -*- nroff -*- .ad l .nh .SH NAME coin_environment_variables \- Environment variables .PP Debug related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_DEBUG_3DS\fP .IP "\(bu" 1 \fBCOIN_DEBUG_ASSERT_SOBASE_SETNAME\fP .IP "\(bu" 1 \fBCOIN_DEBUG_AUDIO\fP .IP "\(bu" 1 \fBCOIN_DEBUG_BINARY_INPUT\fP .IP "\(bu" 1 \fBCOIN_DEBUG_BREAK\fP .IP "\(bu" 1 \fBCOIN_DEBUG_CACHING\fP .IP "\(bu" 1 \fBCOIN_DEBUG_CLEANUP\fP .IP "\(bu" 1 \fBCOIN_DEBUG_DL\fP .IP "\(bu" 1 \fBCOIN_DEBUG_EXTRA\fP .IP "\(bu" 1 \fBCOIN_DEBUG_FLATTEN_NODEKITS_ON_WRITE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_FONTSUPPORT\fP .IP "\(bu" 1 \fBCOIN_DEBUG_GLGLUE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_GLRENDER_TRAVERSAL\fP .IP "\(bu" 1 \fBCOIN_DEBUG_GLUNURBSSURFACE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_GLU_INFO\fP .IP "\(bu" 1 \fBCOIN_DEBUG_GLU_VERSION\fP .IP "\(bu" 1 \fBCOIN_DEBUG_IMPORT\fP .IP "\(bu" 1 \fBCOIN_DEBUG_INTERSECTIONDETECTIONACTION\fP .IP "\(bu" 1 \fBCOIN_DEBUG_LISTMODULES\fP .IP "\(bu" 1 \fBCOIN_DEBUG_MUTEXLOCK_MAXTIME\fP .IP "\(bu" 1 \fBCOIN_DEBUG_MUTEXLOCK_TIMING\fP .IP "\(bu" 1 \fBCOIN_DEBUG_MUTEX_COUNT\fP .IP "\(bu" 1 \fBCOIN_DEBUG_NORMALIZE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_NPRINTF\fP .IP "\(bu" 1 \fBCOIN_DEBUG_NURBS_COMPLEXITY\fP .IP "\(bu" 1 \fBCOIN_DEBUG_ROOT_NOTIFICATIONS\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SIMAGE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SOEXTSELECTION\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SOFILE_READ\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SOINPUT_FINDFILE\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SOOFFSCREENRENDERER\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SOOFFSCREENRENDERER_TILEPREFIX\fP .IP "\(bu" 1 \fBCOIN_DEBUG_SPIDERMONKEY_BINDING\fP .IP "\(bu" 1 \fBCOIN_DEBUG_STRING_GROW\fP .IP "\(bu" 1 \fBCOIN_DEBUG_TRACK_SOBASE_INSTANCES\fP .IP "\(bu" 1 \fBCOIN_DEBUG_VBO\fP .IP "\(bu" 1 \fBCOIN_DEBUG_VRMLSCRIPT\fP .IP "\(bu" 1 \fBCOIN_DEBUG_WRITEREFS\fP .IP "\(bu" 1 \fBCOIN_GLERROR_DEBUGGING\fP .IP "\(bu" 1 \fBCOIN_RANDOMIZE_RENDER_CACHING\fP .PP Font/Text rendering related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_FONT_PATH\fP .IP "\(bu" 1 \fBCOIN_FONTCONFIG_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_FORCE_FONTCONFIG_OFF\fP .IP "\(bu" 1 \fBCOIN_FREETYPE2_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_FORCE_FREETYPE_OFF\fP .IP "\(bu" 1 \fBCOIN_FORCE_WIN32FONTS_OFF\fP .PP .PD 0 .IP "\(bu" 1 \fBCOIN_DISABLE_UTF8\fP .PP Runtime linking related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_BZIP2_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_CG_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_FONTCONFIG_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_FREETYPE2_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_GLU_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_OPENAL_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_SIMAGE_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_SPIDERMONKEY_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_ZLIB_LIBNAME\fP .PP Sound related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_OPENAL_LIBNAME\fP .IP "\(bu" 1 \fBCOIN_SOUND_BUFFER_LENGTH\fP .IP "\(bu" 1 \fBCOIN_SOUND_DISABLE\fP .IP "\(bu" 1 \fBCOIN_SOUND_DRIVER_NAME\fP .IP "\(bu" 1 \fBCOIN_SOUND_ENABLE\fP .IP "\(bu" 1 \fBCOIN_SOUND_INTRO_PAUSE\fP .IP "\(bu" 1 \fBCOIN_SOUND_NUM_BUFFERS\fP .IP "\(bu" 1 \fBCOIN_SOUND_THREAD_SLEEP_TIME\fP .PP Texture control related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_MAXIMUM_TEXTURE2_SIZE\fP .IP "\(bu" 1 \fBCOIN_MAXIMUM_TEXTURE3_SIZE\fP .IP "\(bu" 1 \fBCOIN_TEX2_ANISOTROPIC_LIMIT\fP .IP "\(bu" 1 \fBCOIN_TEX2_LINEAR_LIMIT\fP .IP "\(bu" 1 \fBCOIN_TEX2_LINEAR_MIPMAP_LIMIT\fP .IP "\(bu" 1 \fBCOIN_TEX2_MIPMAP_LIMIT\fP .IP "\(bu" 1 \fBCOIN_TEX2_SCALEUP_LIMIT\fP .IP "\(bu" 1 \fBCOIN_TEX2_USE_GLTEXSUBIMAGE\fP .IP "\(bu" 1 \fBCOIN_TEX2_USE_SGIS_GENERATE_MIPMAP\fP .PP Rendering (OpenGL) related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_AGLGLUE_NO_PBUFFERS\fP .IP "\(bu" 1 \fBCOIN_CGLGLUE_NO_PBUFFERS\fP .IP "\(bu" 1 \fBCOIN_GLXGLUE_NO_PBUFFERS\fP .IP "\(bu" 1 \fBCOIN_GLXGLUE_NO_GLX13_PBUFFERS\fP .IP "\(bu" 1 \fBCOIN_GLX_PIXMAP_DIRECT_RENDERING\fP .IP "\(bu" 1 \fBCOIN_WGLGLUE_NO_PBUFFERS\fP .PP .PD 0 .IP "\(bu" 1 \fBCOIN_ALLOW_SPIDERMONKEY\fP .IP "\(bu" 1 \fBCOIN_DONT_MANGLE_OUTPUT_NAMES\fP .IP "\(bu" 1 \fBCOIN_ENABLE_CONFORMANT_GL_CLAMP\fP .IP "\(bu" 1 \fBCOIN_EXTSELECTION_SAVE_OFFSCREENBUFFER\fP .IP "\(bu" 1 \fBCOIN_FORCE_TILED_OFFSCREENRENDERING\fP .IP "\(bu" 1 \fBCOIN_GLBBOX\fP .IP "\(bu" 1 \fBCOIN_HANDLE_STACK_OVERFLOW\fP .IP "\(bu" 1 \fBCOIN_NORMALIZATION_CUBEMAP_SIZE\fP .IP "\(bu" 1 \fBCOIN_NOT_STRICT_VRML97\fP .IP "\(bu" 1 \fBCOIN_NO_SOTYPE_DYNLOAD\fP .IP "\(bu" 1 \fBOIV_NUM_SORTED_LAYERS_PASSES\fP .IP "\(bu" 1 \fBCOIN_NUM_SORTED_LAYERS_PASSES\fP .IP "\(bu" 1 \fBCOIN_OFFSCREENRENDERER_MAX_TILESIZE\fP .IP "\(bu" 1 \fBCOIN_OFFSCREENRENDERER_TILEHEIGHT\fP .IP "\(bu" 1 \fBCOIN_OFFSCREENRENDERER_TILEWIDTH\fP .IP "\(bu" 1 \fBCOIN_OFFSCREEN_STENCIL_BITS\fP .IP "\(bu" 1 \fBCOIN_OLDSTYLE_FORMATTING\fP .IP "\(bu" 1 \fBCOIN_QUADMESH_PRECISE_LIGHTING\fP .IP "\(bu" 1 \fBCOIN_SEPARATE_DIFFUSE_TRANSPARENCY_OVERRIDE\fP .IP "\(bu" 1 \fBCOIN_SOINPUT_SEARCH_GLOBAL_DICT\fP .IP "\(bu" 1 \fBCOIN_SOOFFSCREENRENDERER_ALLOW_RESOURCEHOG\fP .IP "\(bu" 1 \fBCOIN_SORTED_LAYERS_USE_NVIDIA_RC\fP .IP "\(bu" 1 \fBCOIN_VBO_MAX_LIMIT\fP .IP "\(bu" 1 \fBCOIN_VBO_MIN_LIMIT\fP .IP "\(bu" 1 \fBCOIN_VERTEX_ARRAYS\fP .IP "\(bu" 1 \fBCOIN_VIEWUP\fP .PP Caching related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_AUTOCACHE_LOCAL_MAX\fP .IP "\(bu" 1 \fBCOIN_AUTOCACHE_LOCAL_MIN\fP .IP "\(bu" 1 \fBCOIN_AUTOCACHE_REMOTE_MAX\fP .IP "\(bu" 1 \fBCOIN_AUTOCACHE_REMOTE_MIN\fP .IP "\(bu" 1 \fBCOIN_AUTOCACHE_VBO_LIMIT\fP .IP "\(bu" 1 \fBCOIN_AUTO_CACHING\fP .IP "\(bu" 1 \fBCOIN_NESTED_CACHING\fP .IP "\(bu" 1 \fBCOIN_SMART_CACHING\fP .IP "\(bu" 1 \fBIV_SEPARATOR_MAX_CACHES\fP .PP Tessellation related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_GLU_SILENCE_TESS_COMBINE_WARNING\fP .IP "\(bu" 1 \fBCOIN_PREFER_GLU_TESSELLATOR\fP .PP NURBS related: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_CALCULATE_NURBS_NORMALS\fP .IP "\(bu" 1 \fBCOIN_OLD_NURBS_COMPLEXITY\fP .IP "\(bu" 1 \fBCOIN_REDUCE_LINEAR_NURBS_STEPS\fP .PP Work around driver bugs: .PP .PD 0 .IP "\(bu" 1 \fBCOIN_DONT_INFORM_INDIRECT_RENDERING\fP .IP "\(bu" 1 \fBCOIN_DONT_USE_FBO\fP .IP "\(bu" 1 \fBCOIN_FORCE_AGL\fP .IP "\(bu" 1 \fBCOIN_FORCE_GL1_0_ONLY\fP .IP "\(bu" 1 \fBCOIN_FULL_INDIRECT_RENDERING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_DISABLE_NON_POWER_OF_TWO_TEXTURES\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_DISABLE_PALETTED_TEXTURE\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_DISABLE_VBO_IN_DISPLAYLIST\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_NO_ELSA_WARNING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_NO_G400_WARNING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_NO_RADEON_WARNING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_NO_SUN_EXPERT3D_WARNING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_NO_TRIDENT_WARNING\fP .IP "\(bu" 1 \fBCOIN_GLGLUE_SILENCE_DRIVER_WARNINGS\fP .IP "\(bu" 1 \fBCOIN_GL_DISABLE_VBO\fP .IP "\(bu" 1 \fBCOIN_GL_NO_CURRENT_CONTEXT_CHECK\fP .IP "\(bu" 1 \fBCOIN_NO_NVIDIA_COLOR_PER_FACE_BUG_WORKAROUND\fP .IP "\(bu" 1 \fBCOIN_PREFER_GLPOLYGONOFFSET_EXT\fP .IP "\(bu" 1 \fBCOIN_VBO\fP .PP Others: .PP .PD 0 .IP "\(bu" 1 \fBCOINDIR\fP .IP "\(bu" 1 \fBSO_DRAGGER_DIR\fP .IP "\(bu" 1 \fBSO_SHADER_DIR\fP .IP "\(bu" 1 \fBWINDIR\fP .PP