src/glut/fbdev/ext.c

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5
   4  * Copyright (C) 1995-2006  Brian Paul
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; if not, write to the Free
  18  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 /*
  22  * Library for glut using mesa fbdev driver
  23  *
  24  * Written by Sean D'Epagnier (c) 2006
  25  */
  26
  27 #include <stdio.h>
  28
  29 #include <GL/gl.h>
  30 #include <GL/glut.h>
  31
  32 #include "internal.h"
  33
  34 void glutReportErrors(void)
  35 {
  36    GLenum error;
  37
  38    while ((error = glGetError()) != GL_NO_ERROR)
  39       sprintf(exiterror, "GL error: %s", gluErrorString(error));
  40 }
  41
  42 static struct {
  43    const char *name;
  44    const GLUTproc address;
  45 } glut_functions[] = {
  46    { "glutInit", (const GLUTproc) glutInit },
  47    { "glutInitDisplayMode", (const GLUTproc) glutInitDisplayMode },
  48    { "glutInitWindowPosition", (const GLUTproc) glutInitWindowPosition },
  49    { "glutInitWindowSize", (const GLUTproc) glutInitWindowSize },
  50    { "glutMainLoop", (const GLUTproc) glutMainLoop },
  51    { "glutCreateWindow", (const GLUTproc) glutCreateWindow },
  52    { "glutCreateSubWindow", (const GLUTproc) glutCreateSubWindow },
  53    { "glutDestroyWindow", (const GLUTproc) glutDestroyWindow },
  54    { "glutPostRedisplay", (const GLUTproc) glutPostRedisplay },
  55    { "glutSwapBuffers", (const GLUTproc) glutSwapBuffers },
  56    { "glutGetWindow", (const GLUTproc) glutGetWindow },
  57    { "glutSetWindow", (const GLUTproc) glutSetWindow },
  58    { "glutSetWindowTitle", (const GLUTproc) glutSetWindowTitle },
  59    { "glutSetIconTitle", (const GLUTproc) glutSetIconTitle },
  60    { "glutPositionWindow", (const GLUTproc) glutPositionWindow },
  61    { "glutReshapeWindow", (const GLUTproc) glutReshapeWindow },
  62    { "glutPopWindow", (const GLUTproc) glutPopWindow },
  63    { "glutPushWindow", (const GLUTproc) glutPushWindow },
  64    { "glutIconifyWindow", (const GLUTproc) glutIconifyWindow },
  65    { "glutShowWindow", (const GLUTproc) glutShowWindow },
  66    { "glutHideWindow", (const GLUTproc) glutHideWindow },
  67    { "glutFullScreen", (const GLUTproc) glutFullScreen },
  68    { "glutSetCursor", (const GLUTproc) glutSetCursor },
  69    { "glutWarpPointer", (const GLUTproc) glutWarpPointer },
  70    { "glutEstablishOverlay", (const GLUTproc) glutEstablishOverlay },
  71    { "glutRemoveOverlay", (const GLUTproc) glutRemoveOverlay },
  72    { "glutUseLayer", (const GLUTproc) glutUseLayer },
  73    { "glutPostOverlayRedisplay", (const GLUTproc) glutPostOverlayRedisplay },
  74    { "glutShowOverlay", (const GLUTproc) glutShowOverlay },
  75    { "glutHideOverlay", (const GLUTproc) glutHideOverlay },
  76    { "glutCreateMenu", (const GLUTproc) glutCreateMenu },
  77    { "glutDestroyMenu", (const GLUTproc) glutDestroyMenu },
  78    { "glutGetMenu", (const GLUTproc) glutGetMenu },
  79    { "glutSetMenu", (const GLUTproc) glutSetMenu },
  80    { "glutAddMenuEntry", (const GLUTproc) glutAddMenuEntry },
  81    { "glutAddSubMenu", (const GLUTproc) glutAddSubMenu },
  82    { "glutChangeToMenuEntry", (const GLUTproc) glutChangeToMenuEntry },
  83    { "glutChangeToSubMenu", (const GLUTproc) glutChangeToSubMenu },
  84    { "glutRemoveMenuItem", (const GLUTproc) glutRemoveMenuItem },
  85    { "glutAttachMenu", (const GLUTproc) glutAttachMenu },
  86    { "glutDetachMenu", (const GLUTproc) glutDetachMenu },
  87    { "glutDisplayFunc", (const GLUTproc) glutDisplayFunc },
  88    { "glutReshapeFunc", (const GLUTproc) glutReshapeFunc },
  89    { "glutKeyboardFunc", (const GLUTproc) glutKeyboardFunc },
  90    { "glutMouseFunc", (const GLUTproc) glutMouseFunc },
  91    { "glutMotionFunc", (const GLUTproc) glutMotionFunc },
  92    { "glutPassiveMotionFunc", (const GLUTproc) glutPassiveMotionFunc },
  93    { "glutEntryFunc", (const GLUTproc) glutEntryFunc },
  94    { "glutVisibilityFunc", (const GLUTproc) glutVisibilityFunc },
  95    { "glutIdleFunc", (const GLUTproc) glutIdleFunc },
  96    { "glutTimerFunc", (const GLUTproc) glutTimerFunc },
  97    { "glutMenuStateFunc", (const GLUTproc) glutMenuStateFunc },
  98    { "glutSpecialFunc", (const GLUTproc) glutSpecialFunc },
  99    { "glutSpaceballRotateFunc", (const GLUTproc) glutSpaceballRotateFunc },
 100    { "glutButtonBoxFunc", (const GLUTproc) glutButtonBoxFunc },
 101    { "glutDialsFunc", (const GLUTproc) glutDialsFunc },
 102    { "glutTabletMotionFunc", (const GLUTproc) glutTabletMotionFunc },
 103    { "glutTabletButtonFunc", (const GLUTproc) glutTabletButtonFunc },
 104    { "glutMenuStatusFunc", (const GLUTproc) glutMenuStatusFunc },
 105    { "glutOverlayDisplayFunc", (const GLUTproc) glutOverlayDisplayFunc },
 106    { "glutSetColor", (const GLUTproc) glutSetColor },
 107    { "glutGetColor", (const GLUTproc) glutGetColor },
 108    { "glutCopyColormap", (const GLUTproc) glutCopyColormap },
 109    { "glutGet", (const GLUTproc) glutGet },
 110    { "glutDeviceGet", (const GLUTproc) glutDeviceGet },
 111    { "glutExtensionSupported", (const GLUTproc) glutExtensionSupported },
 112    { "glutGetModifiers", (const GLUTproc) glutGetModifiers },
 113    { "glutLayerGet", (const GLUTproc) glutLayerGet },
 114    { "glutGetProcAddress", (const GLUTproc) glutGetProcAddress },
 115    { "glutBitmapCharacter", (const GLUTproc) glutBitmapCharacter },
 116    { "glutBitmapWidth", (const GLUTproc) glutBitmapWidth },
 117    { "glutStrokeCharacter", (const GLUTproc) glutStrokeCharacter },
 118    { "glutStrokeWidth", (const GLUTproc) glutStrokeWidth },
 119    { "glutBitmapLength", (const GLUTproc) glutBitmapLength },
 120    { "glutStrokeLength", (const GLUTproc) glutStrokeLength },
 121    { "glutWireSphere", (const GLUTproc) glutWireSphere },
 122    { "glutSolidSphere", (const GLUTproc) glutSolidSphere },
 123    { "glutWireCone", (const GLUTproc) glutWireCone },
 124    { "glutSolidCone", (const GLUTproc) glutSolidCone },
 125    { "glutWireCube", (const GLUTproc) glutWireCube },
 126    { "glutSolidCube", (const GLUTproc) glutSolidCube },
 127    { "glutWireTorus", (const GLUTproc) glutWireTorus },
 128    { "glutSolidTorus", (const GLUTproc) glutSolidTorus },
 129    { "glutWireDodecahedron", (const GLUTproc) glutWireDodecahedron },
 130    { "glutSolidDodecahedron", (const GLUTproc) glutSolidDodecahedron },
 131    { "glutWireTeapot", (const GLUTproc) glutWireTeapot },
 132    { "glutSolidTeapot", (const GLUTproc) glutSolidTeapot },
 133    { "glutWireOctahedron", (const GLUTproc) glutWireOctahedron },
 134    { "glutSolidOctahedron", (const GLUTproc) glutSolidOctahedron },
 135    { "glutWireTetrahedron", (const GLUTproc) glutWireTetrahedron },
 136    { "glutSolidTetrahedron", (const GLUTproc) glutSolidTetrahedron },
 137    { "glutWireIcosahedron", (const GLUTproc) glutWireIcosahedron },
 138    { "glutSolidIcosahedron", (const GLUTproc) glutSolidIcosahedron },
 139    { "glutReportErrors", (const GLUTproc) glutReportErrors },
 140    { NULL, NULL }
 141 };
 142
 143 GLUTproc glutGetProcAddress(const char *procName)
 144 {
 145    /* Try GLUT functions first */
 146    int i;
 147    for (i = 0; glut_functions[i].name; i++) {
 148       if (strcmp(glut_functions[i].name, procName) == 0)
 149          return glut_functions[i].address;
 150    }
 151
 152    /* Try core GL functions */
 153    return (GLUTproc) glFBDevGetProcAddress(procName);
 154 }