2 * Copyright 1994-1997 Mark Kilgard, All rights reserved.
3 * Distributed under the terms of the MIT License.
18 glutExtensionSupported(const char *extension
)
20 static const GLubyte
*extensions
= NULL
;
22 GLubyte
*where
, *terminator
;
24 /* Extension names should not have spaces. */
25 where
= (GLubyte
*) strchr(extension
, ' ');
26 if (where
|| *extension
== '\0')
30 extensions
= glGetString(GL_EXTENSIONS
);
32 /* It takes a bit of care to be fool-proof about parsing the
33 OpenGL extensions string. Don't be fooled by sub-strings,
37 /* If your application crashes in the strstr routine below,
38 you are probably calling glutExtensionSupported without
39 having a current window. Calling glGetString without
40 a current OpenGL context has unpredictable results.
41 Please fix your program. */
42 where
= (GLubyte
*) strstr((const char *) start
, extension
);
45 terminator
= where
+ strlen(extension
);
46 if (where
== start
|| *(where
- 1) == ' ') {
47 if (*terminator
== ' ' || *terminator
== '\0') {
57 struct name_address_pair
{
59 const GLUTproc address
;
62 static struct name_address_pair glut_functions
[] = {
63 { "glutInit", (const GLUTproc
) glutInit
},
64 { "glutInitDisplayMode", (const GLUTproc
) glutInitDisplayMode
},
65 { "glutInitDisplayString", (const GLUTproc
) glutInitDisplayString
},
66 { "glutInitWindowPosition", (const GLUTproc
) glutInitWindowPosition
},
67 { "glutInitWindowSize", (const GLUTproc
) glutInitWindowSize
},
68 { "glutMainLoop", (const GLUTproc
) glutMainLoop
},
69 { "glutCreateWindow", (const GLUTproc
) glutCreateWindow
},
70 { "glutCreateSubWindow", (const GLUTproc
) glutCreateSubWindow
},
71 { "glutDestroyWindow", (const GLUTproc
) glutDestroyWindow
},
72 { "glutPostRedisplay", (const GLUTproc
) glutPostRedisplay
},
73 { "glutPostWindowRedisplay", (const GLUTproc
) glutPostWindowRedisplay
},
74 { "glutSwapBuffers", (const GLUTproc
) glutSwapBuffers
},
75 { "glutGetWindow", (const GLUTproc
) glutGetWindow
},
76 { "glutSetWindow", (const GLUTproc
) glutSetWindow
},
77 { "glutSetWindowTitle", (const GLUTproc
) glutSetWindowTitle
},
78 { "glutSetIconTitle", (const GLUTproc
) glutSetIconTitle
},
79 { "glutPositionWindow", (const GLUTproc
) glutPositionWindow
},
80 { "glutReshapeWindow", (const GLUTproc
) glutReshapeWindow
},
81 { "glutPopWindow", (const GLUTproc
) glutPopWindow
},
82 { "glutPushWindow", (const GLUTproc
) glutPushWindow
},
83 { "glutIconifyWindow", (const GLUTproc
) glutIconifyWindow
},
84 { "glutShowWindow", (const GLUTproc
) glutShowWindow
},
85 { "glutHideWindow", (const GLUTproc
) glutHideWindow
},
86 { "glutFullScreen", (const GLUTproc
) glutFullScreen
},
87 { "glutSetCursor", (const GLUTproc
) glutSetCursor
},
88 { "glutWarpPointer", (const GLUTproc
) glutWarpPointer
},
89 { "glutEstablishOverlay", (const GLUTproc
) glutEstablishOverlay
},
90 { "glutRemoveOverlay", (const GLUTproc
) glutRemoveOverlay
},
91 { "glutUseLayer", (const GLUTproc
) glutUseLayer
},
92 { "glutPostOverlayRedisplay", (const GLUTproc
) glutPostOverlayRedisplay
},
93 { "glutPostWindowOverlayRedisplay", (const GLUTproc
) glutPostWindowOverlayRedisplay
},
94 { "glutShowOverlay", (const GLUTproc
) glutShowOverlay
},
95 { "glutHideOverlay", (const GLUTproc
) glutHideOverlay
},
96 { "glutCreateMenu", (const GLUTproc
) glutCreateMenu
},
97 { "glutDestroyMenu", (const GLUTproc
) glutDestroyMenu
},
98 { "glutGetMenu", (const GLUTproc
) glutGetMenu
},
99 { "glutSetMenu", (const GLUTproc
) glutSetMenu
},
100 { "glutAddMenuEntry", (const GLUTproc
) glutAddMenuEntry
},
101 { "glutAddSubMenu", (const GLUTproc
) glutAddSubMenu
},
102 { "glutChangeToMenuEntry", (const GLUTproc
) glutChangeToMenuEntry
},
103 { "glutChangeToSubMenu", (const GLUTproc
) glutChangeToSubMenu
},
104 { "glutRemoveMenuItem", (const GLUTproc
) glutRemoveMenuItem
},
105 { "glutAttachMenu", (const GLUTproc
) glutAttachMenu
},
106 { "glutDetachMenu", (const GLUTproc
) glutDetachMenu
},
107 { "glutDisplayFunc", (const GLUTproc
) glutDisplayFunc
},
108 { "glutReshapeFunc", (const GLUTproc
) glutReshapeFunc
},
109 { "glutKeyboardFunc", (const GLUTproc
) glutKeyboardFunc
},
110 { "glutMouseFunc", (const GLUTproc
) glutMouseFunc
},
111 { "glutMotionFunc", (const GLUTproc
) glutMotionFunc
},
112 { "glutPassiveMotionFunc", (const GLUTproc
) glutPassiveMotionFunc
},
113 { "glutEntryFunc", (const GLUTproc
) glutEntryFunc
},
114 { "glutVisibilityFunc", (const GLUTproc
) glutVisibilityFunc
},
115 { "glutIdleFunc", (const GLUTproc
) glutIdleFunc
},
116 { "glutTimerFunc", (const GLUTproc
) glutTimerFunc
},
117 { "glutMenuStateFunc", (const GLUTproc
) glutMenuStateFunc
},
118 { "glutSpecialFunc", (const GLUTproc
) glutSpecialFunc
},
119 { "glutSpaceballMotionFunc", (const GLUTproc
) glutSpaceballMotionFunc
},
120 { "glutSpaceballRotateFunc", (const GLUTproc
) glutSpaceballRotateFunc
},
121 { "glutSpaceballButtonFunc", (const GLUTproc
) glutSpaceballButtonFunc
},
122 { "glutButtonBoxFunc", (const GLUTproc
) glutButtonBoxFunc
},
123 { "glutDialsFunc", (const GLUTproc
) glutDialsFunc
},
124 { "glutTabletMotionFunc", (const GLUTproc
) glutTabletMotionFunc
},
125 { "glutTabletButtonFunc", (const GLUTproc
) glutTabletButtonFunc
},
126 { "glutMenuStatusFunc", (const GLUTproc
) glutMenuStatusFunc
},
127 { "glutOverlayDisplayFunc", (const GLUTproc
) glutOverlayDisplayFunc
},
128 { "glutWindowStatusFunc", (const GLUTproc
) glutWindowStatusFunc
},
129 { "glutKeyboardUpFunc", (const GLUTproc
) glutKeyboardUpFunc
},
130 { "glutSpecialUpFunc", (const GLUTproc
) glutSpecialUpFunc
},
131 { "glutJoystickFunc", (const GLUTproc
) glutJoystickFunc
},
132 { "glutSetColor", (const GLUTproc
) glutSetColor
},
133 { "glutGetColor", (const GLUTproc
) glutGetColor
},
134 { "glutCopyColormap", (const GLUTproc
) glutCopyColormap
},
135 { "glutGet", (const GLUTproc
) glutGet
},
136 { "glutDeviceGet", (const GLUTproc
) glutDeviceGet
},
137 { "glutExtensionSupported", (const GLUTproc
) glutExtensionSupported
},
138 { "glutGetModifiers", (const GLUTproc
) glutGetModifiers
},
139 { "glutLayerGet", (const GLUTproc
) glutLayerGet
},
140 { "glutGetProcAddress", (const GLUTproc
) glutGetProcAddress
},
141 { "glutBitmapCharacter", (const GLUTproc
) glutBitmapCharacter
},
142 { "glutBitmapWidth", (const GLUTproc
) glutBitmapWidth
},
143 { "glutStrokeCharacter", (const GLUTproc
) glutStrokeCharacter
},
144 { "glutStrokeWidth", (const GLUTproc
) glutStrokeWidth
},
145 { "glutBitmapLength", (const GLUTproc
) glutBitmapLength
},
146 { "glutStrokeLength", (const GLUTproc
) glutStrokeLength
},
147 { "glutWireSphere", (const GLUTproc
) glutWireSphere
},
148 { "glutSolidSphere", (const GLUTproc
) glutSolidSphere
},
149 { "glutWireCone", (const GLUTproc
) glutWireCone
},
150 { "glutSolidCone", (const GLUTproc
) glutSolidCone
},
151 { "glutWireCube", (const GLUTproc
) glutWireCube
},
152 { "glutSolidCube", (const GLUTproc
) glutSolidCube
},
153 { "glutWireTorus", (const GLUTproc
) glutWireTorus
},
154 { "glutSolidTorus", (const GLUTproc
) glutSolidTorus
},
155 { "glutWireDodecahedron", (const GLUTproc
) glutWireDodecahedron
},
156 { "glutSolidDodecahedron", (const GLUTproc
) glutSolidDodecahedron
},
157 { "glutWireTeapot", (const GLUTproc
) glutWireTeapot
},
158 { "glutSolidTeapot", (const GLUTproc
) glutSolidTeapot
},
159 { "glutWireOctahedron", (const GLUTproc
) glutWireOctahedron
},
160 { "glutSolidOctahedron", (const GLUTproc
) glutSolidOctahedron
},
161 { "glutWireTetrahedron", (const GLUTproc
) glutWireTetrahedron
},
162 { "glutSolidTetrahedron", (const GLUTproc
) glutSolidTetrahedron
},
163 { "glutWireIcosahedron", (const GLUTproc
) glutWireIcosahedron
},
164 { "glutSolidIcosahedron", (const GLUTproc
) glutSolidIcosahedron
},
165 { "glutVideoResizeGet", (const GLUTproc
) glutVideoResizeGet
},
166 { "glutSetupVideoResizing", (const GLUTproc
) glutSetupVideoResizing
},
167 { "glutStopVideoResizing", (const GLUTproc
) glutStopVideoResizing
},
168 { "glutVideoResize", (const GLUTproc
) glutVideoResize
},
169 { "glutVideoPan", (const GLUTproc
) glutVideoPan
},
170 { "glutReportErrors", (const GLUTproc
) glutReportErrors
},
171 { "glutIgnoreKeyRepeat", (const GLUTproc
) glutIgnoreKeyRepeat
},
172 { "glutSetKeyRepeat", (const GLUTproc
) glutSetKeyRepeat
},
173 { "glutForceJoystickFunc", (const GLUTproc
) glutForceJoystickFunc
},
174 { "glutGameModeString", (const GLUTproc
) glutGameModeString
},
175 { "glutEnterGameMode", (const GLUTproc
) glutEnterGameMode
},
176 { "glutLeaveGameMode", (const GLUTproc
) glutLeaveGameMode
},
177 { "glutGameModeGet", (const GLUTproc
) glutGameModeGet
},
183 extern GLUTproc
__glutGetProcAddress(const char* procName
);
186 /* XXX This isn't an official GLUT function, yet */
187 GLUTproc GLUTAPIENTRY
188 glutGetProcAddress(const char *procName
)
190 /* Try GLUT functions first */
192 for (i
= 0; glut_functions
[i
].name
; i
++) {
193 if (strcmp(glut_functions
[i
].name
, procName
) == 0)
194 return glut_functions
[i
].address
;
197 /* Try core GL functions */
199 return (GLUTProc
) wglGetProcAddress((LPCSTR
) procName
);
200 #elif defined(GLX_ARB_get_proc_address)
201 return (GLUTProc
) glXGetProcAddressARB((const GLubyte
*) procName
);
202 #elif defined(__HAIKU__)
203 return __glutGetProcAddress(procName
);
