Squashed 'nx-X11/extras/Mesa_6.4.2/' content from commit 475b1f7

git-subtree-dir: nx-X11/extras/Mesa_6.4.2
git-subtree-split: 475b1f7b56fa36ef4f3b22a749f88a98ddc0d502

1 files changed, 201 insertions, 0 deletions

diff --git a/src/glut/glx/glut_ext.c b/src/glut/glx/glut_ext.c
new file mode 100644
index 000000000..922a94b20
--- /dev/null
+++ b/src/glut/glx/glut_ext.c
@@ -0,0 +1,201 @@
+
+/* Copyright (c) Mark J. Kilgard, 1994, 1997. */
+
+/* This program is freely distributable without licensing fees
+   and is provided without guarantee or warrantee expressed or
+   implied. This program is -not- in the public domain. */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "glutint.h"
+
+/* CENTRY */
+int GLUTAPIENTRY 
+glutExtensionSupported(const char *extension)
+{
+  static const GLubyte *extensions = NULL;
+  const GLubyte *start;
+  GLubyte *where, *terminator;
+
+  /* Extension names should not have spaces. */
+  where = (GLubyte *) strchr(extension, ' ');
+  if (where || *extension == '\0')
+    return 0;
+
+  if (!extensions) {
+    extensions = glGetString(GL_EXTENSIONS);
+  }
+  /* It takes a bit of care to be fool-proof about parsing the
+     OpenGL extensions string.  Don't be fooled by sub-strings,
+     etc. */
+  start = extensions;
+  for (;;) {
+    /* If your application crashes in the strstr routine below,
+       you are probably calling glutExtensionSupported without
+       having a current window.  Calling glGetString without
+       a current OpenGL context has unpredictable results.
+       Please fix your program. */
+    where = (GLubyte *) strstr((const char *) start, extension);
+    if (!where)
+      break;
+    terminator = where + strlen(extension);
+    if (where == start || *(where - 1) == ' ') {
+      if (*terminator == ' ' || *terminator == '\0') {
+        return 1;
+      }
+    }
+    start = terminator;
+  }
+  return 0;
+}
+
+
+struct name_address_pair {
+   const char *name;
+   const GLUTproc address;
+};
+
+static struct name_address_pair glut_functions[] = {
+   { "glutInit", (const GLUTproc) glutInit },
+   { "glutInitDisplayMode", (const GLUTproc) glutInitDisplayMode },
+   { "glutInitDisplayString", (const GLUTproc) glutInitDisplayString },
+   { "glutInitWindowPosition", (const GLUTproc) glutInitWindowPosition },
+   { "glutInitWindowSize", (const GLUTproc) glutInitWindowSize },
+   { "glutMainLoop", (const GLUTproc) glutMainLoop },
+   { "glutCreateWindow", (const GLUTproc) glutCreateWindow },
+   { "glutCreateSubWindow", (const GLUTproc) glutCreateSubWindow },
+   { "glutDestroyWindow", (const GLUTproc) glutDestroyWindow },
+   { "glutPostRedisplay", (const GLUTproc) glutPostRedisplay },
+   { "glutPostWindowRedisplay", (const GLUTproc) glutPostWindowRedisplay },
+   { "glutSwapBuffers", (const GLUTproc) glutSwapBuffers },
+   { "glutGetWindow", (const GLUTproc) glutGetWindow },
+   { "glutSetWindow", (const GLUTproc) glutSetWindow },
+   { "glutSetWindowTitle", (const GLUTproc) glutSetWindowTitle },
+   { "glutSetIconTitle", (const GLUTproc) glutSetIconTitle },
+   { "glutPositionWindow", (const GLUTproc) glutPositionWindow },
+   { "glutReshapeWindow", (const GLUTproc) glutReshapeWindow },
+   { "glutPopWindow", (const GLUTproc) glutPopWindow },
+   { "glutPushWindow", (const GLUTproc) glutPushWindow },
+   { "glutIconifyWindow", (const GLUTproc) glutIconifyWindow },
+   { "glutShowWindow", (const GLUTproc) glutShowWindow },
+   { "glutHideWindow", (const GLUTproc) glutHideWindow },
+   { "glutFullScreen", (const GLUTproc) glutFullScreen },
+   { "glutSetCursor", (const GLUTproc) glutSetCursor },
+   { "glutWarpPointer", (const GLUTproc) glutWarpPointer },
+   { "glutEstablishOverlay", (const GLUTproc) glutEstablishOverlay },
+   { "glutRemoveOverlay", (const GLUTproc) glutRemoveOverlay },
+   { "glutUseLayer", (const GLUTproc) glutUseLayer },
+   { "glutPostOverlayRedisplay", (const GLUTproc) glutPostOverlayRedisplay },
+   { "glutPostWindowOverlayRedisplay", (const GLUTproc) glutPostWindowOverlayRedisplay },
+   { "glutShowOverlay", (const GLUTproc) glutShowOverlay },
+   { "glutHideOverlay", (const GLUTproc) glutHideOverlay },
+   { "glutCreateMenu", (const GLUTproc) glutCreateMenu },
+   { "glutDestroyMenu", (const GLUTproc) glutDestroyMenu },
+   { "glutGetMenu", (const GLUTproc) glutGetMenu },
+   { "glutSetMenu", (const GLUTproc) glutSetMenu },
+   { "glutAddMenuEntry", (const GLUTproc) glutAddMenuEntry },
+   { "glutAddSubMenu", (const GLUTproc) glutAddSubMenu },
+   { "glutChangeToMenuEntry", (const GLUTproc) glutChangeToMenuEntry },
+   { "glutChangeToSubMenu", (const GLUTproc) glutChangeToSubMenu },
+   { "glutRemoveMenuItem", (const GLUTproc) glutRemoveMenuItem },
+   { "glutAttachMenu", (const GLUTproc) glutAttachMenu },
+   { "glutDetachMenu", (const GLUTproc) glutDetachMenu },
+   { "glutDisplayFunc", (const GLUTproc) glutDisplayFunc },
+   { "glutReshapeFunc", (const GLUTproc) glutReshapeFunc },
+   { "glutKeyboardFunc", (const GLUTproc) glutKeyboardFunc },
+   { "glutMouseFunc", (const GLUTproc) glutMouseFunc },
+   { "glutMotionFunc", (const GLUTproc) glutMotionFunc },
+   { "glutPassiveMotionFunc", (const GLUTproc) glutPassiveMotionFunc },
+   { "glutEntryFunc", (const GLUTproc) glutEntryFunc },
+   { "glutVisibilityFunc", (const GLUTproc) glutVisibilityFunc },
+   { "glutIdleFunc", (const GLUTproc) glutIdleFunc },
+   { "glutTimerFunc", (const GLUTproc) glutTimerFunc },
+   { "glutMenuStateFunc", (const GLUTproc) glutMenuStateFunc },
+   { "glutSpecialFunc", (const GLUTproc) glutSpecialFunc },
+   { "glutSpaceballMotionFunc", (const GLUTproc) glutSpaceballMotionFunc },
+   { "glutSpaceballRotateFunc", (const GLUTproc) glutSpaceballRotateFunc },
+   { "glutSpaceballButtonFunc", (const GLUTproc) glutSpaceballButtonFunc },
+   { "glutButtonBoxFunc", (const GLUTproc) glutButtonBoxFunc },
+   { "glutDialsFunc", (const GLUTproc) glutDialsFunc },
+   { "glutTabletMotionFunc", (const GLUTproc) glutTabletMotionFunc },
+   { "glutTabletButtonFunc", (const GLUTproc) glutTabletButtonFunc },
+   { "glutMenuStatusFunc", (const GLUTproc) glutMenuStatusFunc },
+   { "glutOverlayDisplayFunc", (const GLUTproc) glutOverlayDisplayFunc },
+   { "glutWindowStatusFunc", (const GLUTproc) glutWindowStatusFunc },
+   { "glutKeyboardUpFunc", (const GLUTproc) glutKeyboardUpFunc },
+   { "glutSpecialUpFunc", (const GLUTproc) glutSpecialUpFunc },
+   { "glutJoystickFunc", (const GLUTproc) glutJoystickFunc },
+   { "glutSetColor", (const GLUTproc) glutSetColor },
+   { "glutGetColor", (const GLUTproc) glutGetColor },
+   { "glutCopyColormap", (const GLUTproc) glutCopyColormap },
+   { "glutGet", (const GLUTproc) glutGet },
+   { "glutDeviceGet", (const GLUTproc) glutDeviceGet },
+   { "glutExtensionSupported", (const GLUTproc) glutExtensionSupported },
+   { "glutGetModifiers", (const GLUTproc) glutGetModifiers },
+   { "glutLayerGet", (const GLUTproc) glutLayerGet },
+   { "glutGetProcAddress", (const GLUTproc) glutGetProcAddress },
+   { "glutBitmapCharacter", (const GLUTproc) glutBitmapCharacter },
+   { "glutBitmapWidth", (const GLUTproc) glutBitmapWidth },
+   { "glutStrokeCharacter", (const GLUTproc) glutStrokeCharacter },
+   { "glutStrokeWidth", (const GLUTproc) glutStrokeWidth },
+   { "glutBitmapLength", (const GLUTproc) glutBitmapLength },
+   { "glutStrokeLength", (const GLUTproc) glutStrokeLength },
+   { "glutWireSphere", (const GLUTproc) glutWireSphere },
+   { "glutSolidSphere", (const GLUTproc) glutSolidSphere },
+   { "glutWireCone", (const GLUTproc) glutWireCone },
+   { "glutSolidCone", (const GLUTproc) glutSolidCone },
+   { "glutWireCube", (const GLUTproc) glutWireCube },
+   { "glutSolidCube", (const GLUTproc) glutSolidCube },
+   { "glutWireTorus", (const GLUTproc) glutWireTorus },
+   { "glutSolidTorus", (const GLUTproc) glutSolidTorus },
+   { "glutWireDodecahedron", (const GLUTproc) glutWireDodecahedron },
+   { "glutSolidDodecahedron", (const GLUTproc) glutSolidDodecahedron },
+   { "glutWireTeapot", (const GLUTproc) glutWireTeapot },
+   { "glutSolidTeapot", (const GLUTproc) glutSolidTeapot },
+   { "glutWireOctahedron", (const GLUTproc) glutWireOctahedron },
+   { "glutSolidOctahedron", (const GLUTproc) glutSolidOctahedron },
+   { "glutWireTetrahedron", (const GLUTproc) glutWireTetrahedron },
+   { "glutSolidTetrahedron", (const GLUTproc) glutSolidTetrahedron },
+   { "glutWireIcosahedron", (const GLUTproc) glutWireIcosahedron },
+   { "glutSolidIcosahedron", (const GLUTproc) glutSolidIcosahedron },
+   { "glutVideoResizeGet", (const GLUTproc) glutVideoResizeGet },
+   { "glutSetupVideoResizing", (const GLUTproc) glutSetupVideoResizing },
+   { "glutStopVideoResizing", (const GLUTproc) glutStopVideoResizing },
+   { "glutVideoResize", (const GLUTproc) glutVideoResize },
+   { "glutVideoPan", (const GLUTproc) glutVideoPan },
+   { "glutReportErrors", (const GLUTproc) glutReportErrors },
+   { "glutIgnoreKeyRepeat", (const GLUTproc) glutIgnoreKeyRepeat },
+   { "glutSetKeyRepeat", (const GLUTproc) glutSetKeyRepeat },
+   { "glutForceJoystickFunc", (const GLUTproc) glutForceJoystickFunc },
+   { "glutGameModeString", (const GLUTproc) glutGameModeString },
+   { "glutEnterGameMode", (const GLUTproc) glutEnterGameMode },
+   { "glutLeaveGameMode", (const GLUTproc) glutLeaveGameMode },
+   { "glutGameModeGet", (const GLUTproc) glutGameModeGet },
+   { NULL, NULL }
+};   
+
+
+/* XXX This isn't an official GLUT function, yet */
+GLUTproc GLUTAPIENTRY 
+glutGetProcAddress(const char *procName)
+{
+   /* Try GLUT functions first */
+   int i;
+   for (i = 0; glut_functions[i].name; i++) {
+      if (strcmp(glut_functions[i].name, procName) == 0)
+         return glut_functions[i].address;
+   }
+
+   /* Try core GL functions */
+#if defined(_WIN32)
+  return (GLUTproc) wglGetProcAddress((LPCSTR) procName);
+#elif defined(GLX_ARB_get_proc_address)
+  return (GLUTproc) glXGetProcAddressARB((const GLubyte *) procName);
+#else
+  return NULL;
+#endif
+}
+
+
+/* ENDCENTRY */