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