initial check-in (post crash)

1 files changed, 772 insertions, 0 deletions

diff --git a/src/glut/glx/glutint.h b/src/glut/glx/glutint.h
new file mode 100644
index 0000000000..752e9b356e
--- /dev/null
+++ b/src/glut/glx/glutint.h
@@ -0,0 +1,772 @@
+#ifndef __glutint_h__
+#define __glutint_h__
+
+/* Copyright (c) Mark J. Kilgard, 1994, 1997, 1998. */
+
+/* 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. */
+
+#if defined(__CYGWIN32__)
+#include <sys/time.h>
+#endif
+
+#define SUPPORT_FORTRAN  /* With GLUT 3.7, everyone supports Fortran. */
+
+#if defined(_WIN32)
+#include "glutwin32.h"
+#else
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <GL/glx.h>
+#endif
+
+/* added by BrianP: */
+#define APIENTRY GLAPIENTRY
+#define __cdecl GLAPIENTRY
+#define CDECL GLAPIENTRY
+
+
+#define GLUT_BUILDING_LIB  /* Building the GLUT library itself. */
+
+/* GLUT_BUILDING_LIB is used by <GL/glut.h> to 1) not #pragma link
+   with the GLUT library, and 2) avoid the Win32 atexit hack. */
+
+#include <GL/glut.h>
+
+/* This must be done after <GL/gl.h> is included.  MESA is defined
+   if the <GL/gl.h> is supplied by Brian Paul's Mesa library. */
+#if defined(MESA) && defined(_WIN32)
+/* Mesa implements "wgl" versions of GDI entry points needed for
+   using OpenGL.  Map these "wgl" versions to the GDI names via
+   macros. */
+GLAPI int GLAPIENTRY wglChoosePixelFormat(HDC hdc, CONST PIXELFORMATDESCRIPTOR *ppfd);
+GLAPI int GLAPIENTRY wglDescribePixelFormat(HDC hdc,int iPixelFormat,UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd);
+GLAPI int GLAPIENTRY wglGetPixelFormat(HDC hdc);
+GLAPI BOOL GLAPIENTRY wglSetPixelFormat(HDC hdc, int iPixelFormat, CONST PIXELFORMATDESCRIPTOR *ppfd);
+GLAPI BOOL GLAPIENTRY wglSwapBuffers(HDC hdc);
+GLAPI HGLRC GLWINAPI wglCreateContext(HDC hdc);
+GLAPI BOOL GLWINAPI wglDeleteContext(HGLRC hglrc);
+GLAPI HGLRC GLWINAPI wglGetCurrentContext(VOID);
+GLAPI HDC GLWINAPI wglGetCurrentDC(VOID);
+GLAPI BOOL GLWINAPI wglMakeCurrent(HDC hdc,HGLRC hglrc);
+#define ChoosePixelFormat wglChoosePixelFormat
+#define DescribePixelFormat wglDescribePixelFormat
+#define GetPixelFormat wglGetPixelFormat
+#define SetPixelFormat wglSetPixelFormat
+#define SwapBuffers wglSwapBuffers
+#define GetCurrentContext wglGetCurrentContext
+#define GetCurrentDC wglGetCurrentDC
+#define MakeCurrent wglMakeCurrent
+#define CreateContext wglCreateContext
+#define DeleteContext wglDeleteContext
+#endif /* MESA */
+
+#ifdef SUPPORT_FORTRAN
+#include <GL/glutf90.h>
+#endif
+
+#ifdef __vms
+#if ( __VMS_VER < 70000000 )
+struct timeval {
+  __int64 val;
+};
+extern int sys$gettim(struct timeval *);
+#else
+#include <time.h>
+#endif
+#else
+#include <sys/types.h>
+#if !defined(_WIN32)
+#include <sys/time.h>
+#else
+#include <winsock.h>
+#endif
+#endif
+#if defined(__vms) && ( __VMS_VER < 70000000 )
+
+/* For VMS6.2 or lower :
+   One TICK on VMS is 100 nanoseconds; 0.1 microseconds or
+   0.0001 milliseconds. This means that there are 0.01
+   ticks/ns, 10 ticks/us, 10,000 ticks/ms and 10,000,000
+   ticks/second. */
+
+#define TICKS_PER_MILLISECOND 10000
+#define TICKS_PER_SECOND      10000000
+
+#define GETTIMEOFDAY(_x) (void) sys$gettim (_x);
+
+#define ADD_TIME(dest, src1, src2) { \
+  (dest).val = (src1).val + (src2).val; \
+}
+
+#define TIMEDELTA(dest, src1, src2) { \
+  (dest).val = (src1).val - (src2).val; \
+}
+
+#define IS_AFTER(t1, t2) ((t2).val > (t1).val)
+
+#define IS_AT_OR_AFTER(t1, t2) ((t2).val >= (t1).val)
+
+#else
+#if defined(SVR4) && !defined(sun)  /* Sun claims SVR4, but
+                                       wants 2 args. */
+#define GETTIMEOFDAY(_x) gettimeofday(_x)
+#else
+#define GETTIMEOFDAY(_x) gettimeofday(_x, NULL)
+#endif
+#define ADD_TIME(dest, src1, src2) { \
+  if(((dest).tv_usec = \
+    (src1).tv_usec + (src2).tv_usec) >= 1000000) { \
+    (dest).tv_usec -= 1000000; \
+    (dest).tv_sec = (src1).tv_sec + (src2).tv_sec + 1; \
+  } else { \
+    (dest).tv_sec = (src1).tv_sec + (src2).tv_sec; \
+    if(((dest).tv_sec >= 1) && (((dest).tv_usec <0))) { \
+      (dest).tv_sec --;(dest).tv_usec += 1000000; \
+    } \
+  } \
+}
+#define TIMEDELTA(dest, src1, src2) { \
+  if(((dest).tv_usec = (src1).tv_usec - (src2).tv_usec) < 0) { \
+    (dest).tv_usec += 1000000; \
+    (dest).tv_sec = (src1).tv_sec - (src2).tv_sec - 1; \
+  } else { \
+     (dest).tv_sec = (src1).tv_sec - (src2).tv_sec; \
+  } \
+}
+#define IS_AFTER(t1, t2) \
+  (((t2).tv_sec > (t1).tv_sec) || \
+  (((t2).tv_sec == (t1).tv_sec) && \
+  ((t2).tv_usec > (t1).tv_usec)))
+#define IS_AT_OR_AFTER(t1, t2) \
+  (((t2).tv_sec > (t1).tv_sec) || \
+  (((t2).tv_sec == (t1).tv_sec) && \
+  ((t2).tv_usec >= (t1).tv_usec)))
+#endif
+
+#define IGNORE_IN_GAME_MODE() \
+  { if (__glutGameModeWindow) return; }
+
+#define GLUT_WIND_IS_RGB(x)         (((x) & GLUT_INDEX) == 0)
+#define GLUT_WIND_IS_INDEX(x)       (((x) & GLUT_INDEX) != 0)
+#define GLUT_WIND_IS_SINGLE(x)      (((x) & GLUT_DOUBLE) == 0)
+#define GLUT_WIND_IS_DOUBLE(x)      (((x) & GLUT_DOUBLE) != 0)
+#define GLUT_WIND_HAS_ACCUM(x)      (((x) & GLUT_ACCUM) != 0)
+#define GLUT_WIND_HAS_ALPHA(x)      (((x) & GLUT_ALPHA) != 0)
+#define GLUT_WIND_HAS_DEPTH(x)      (((x) & GLUT_DEPTH) != 0)
+#define GLUT_WIND_HAS_STENCIL(x)    (((x) & GLUT_STENCIL) != 0)
+#define GLUT_WIND_IS_MULTISAMPLE(x) (((x) & GLUT_MULTISAMPLE) != 0)
+#define GLUT_WIND_IS_STEREO(x)      (((x) & GLUT_STEREO) != 0)
+#define GLUT_WIND_IS_LUMINANCE(x)   (((x) & GLUT_LUMINANCE) != 0)
+#define GLUT_MAP_WORK               (1 << 0)
+#define GLUT_EVENT_MASK_WORK        (1 << 1)
+#define GLUT_REDISPLAY_WORK         (1 << 2)
+#define GLUT_CONFIGURE_WORK         (1 << 3)
+#define GLUT_COLORMAP_WORK          (1 << 4)
+#define GLUT_DEVICE_MASK_WORK	    (1 << 5)
+#define GLUT_FINISH_WORK	    (1 << 6)
+#define GLUT_DEBUG_WORK		    (1 << 7)
+#define GLUT_DUMMY_WORK		    (1 << 8)
+#define GLUT_FULL_SCREEN_WORK       (1 << 9)
+#define GLUT_OVERLAY_REDISPLAY_WORK (1 << 10)
+#define GLUT_REPAIR_WORK            (1 << 11)
+#define GLUT_OVERLAY_REPAIR_WORK    (1 << 12)
+
+/* Frame buffer capability macros and types. */
+#define RGBA                    0
+#define BUFFER_SIZE             1
+#define DOUBLEBUFFER            2
+#define STEREO                  3
+#define AUX_BUFFERS             4
+#define RED_SIZE                5  /* Used as mask bit for
+                                      "color selected". */
+#define GREEN_SIZE              6
+#define BLUE_SIZE               7
+#define ALPHA_SIZE              8
+#define DEPTH_SIZE              9
+#define STENCIL_SIZE            10
+#define ACCUM_RED_SIZE          11  /* Used as mask bit for
+                                       "acc selected". */
+#define ACCUM_GREEN_SIZE        12
+#define ACCUM_BLUE_SIZE         13
+#define ACCUM_ALPHA_SIZE        14
+#define LEVEL                   15
+
+#define NUM_GLXCAPS             (LEVEL + 1)
+
+#define XVISUAL                 (NUM_GLXCAPS + 0)
+#define TRANSPARENT             (NUM_GLXCAPS + 1)
+#define SAMPLES                 (NUM_GLXCAPS + 2)
+#define XSTATICGRAY             (NUM_GLXCAPS + 3)  /* Used as
+                                                      mask bit
+                                                      for "any
+                                                      visual type
+                                                      selected". */
+#define XGRAYSCALE              (NUM_GLXCAPS + 4)
+#define XSTATICCOLOR            (NUM_GLXCAPS + 5)
+#define XPSEUDOCOLOR            (NUM_GLXCAPS + 6)
+#define XTRUECOLOR              (NUM_GLXCAPS + 7)
+#define XDIRECTCOLOR            (NUM_GLXCAPS + 8)
+#define SLOW                    (NUM_GLXCAPS + 9)
+#define CONFORMANT              (NUM_GLXCAPS + 10)
+
+#define NUM_CAPS                (NUM_GLXCAPS + 11)
+
+/* Frame buffer capablities that don't have a corresponding
+   FrameBufferMode entry.  These get used as mask bits. */
+#define NUM                     (NUM_CAPS + 0)
+#define RGBA_MODE               (NUM_CAPS + 1)
+#define CI_MODE                 (NUM_CAPS + 2)
+#define LUMINANCE_MODE		(NUM_CAPS + 3)
+
+#define NONE			0
+#define EQ			1
+#define NEQ			2
+#define LTE			3
+#define GTE			4
+#define GT			5
+#define LT			6
+#define MIN			7
+
+typedef struct _Criterion {
+  int capability;
+  int comparison;
+  int value;
+} Criterion;
+
+typedef struct _FrameBufferMode {
+  XVisualInfo *vi;
+#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig)
+
+  /* fbc is non-NULL when the XVisualInfo* is not OpenGL-capable
+     (ie, GLX_USE_GL is false), but the SGIX_fbconfig extension shows
+     the visual's fbconfig is OpenGL-capable.  The reason for this is typically
+     an RGBA luminance fbconfig such as 16-bit StaticGray that could
+     not be advertised as a GLX visual since StaticGray visuals are
+     required (by the GLX specification) to be color index.  The
+     SGIX_fbconfig allows StaticGray visuals to instead advertised as
+     fbconfigs that can provide RGBA luminance support. */
+
+  GLXFBConfigSGIX fbc;
+#endif
+  int valid;
+  int cap[NUM_CAPS];
+} FrameBufferMode;
+
+/* DisplayMode capability macros for game mode. */
+#define DM_WIDTH        0  /* "width" */
+#define DM_HEIGHT       1  /* "height" */
+#define DM_PIXEL_DEPTH  2  /* "bpp" (bits per pixel) */
+#define DM_HERTZ        3  /* "hertz" */
+#define DM_NUM          4  /* "num" */
+
+#define NUM_DM_CAPS     (DM_NUM+1)
+
+typedef struct _DisplayMode {
+#ifdef _WIN32
+  DEVMODE devmode;
+#else
+  /* XXX The X Window System does not have a standard
+     mechanism for display setting changes.  On SGI
+     systems, GLUT could use the XSGIvc (SGI X video
+     control extension).  Perhaps this can be done in
+     a future release of GLUT. */
+#endif
+  int valid;
+  int cap[NUM_DM_CAPS];
+} DisplayMode;
+
+/* GLUT  function types */
+typedef void (GLUTCALLBACK *GLUTdisplayCB) (void);
+typedef void (GLUTCALLBACK *GLUTreshapeCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTkeyboardCB) (unsigned char, int, int);
+typedef void (GLUTCALLBACK *GLUTmouseCB) (int, int, int, int);
+typedef void (GLUTCALLBACK *GLUTmotionCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTpassiveCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTentryCB) (int);
+typedef void (GLUTCALLBACK *GLUTvisibilityCB) (int);
+typedef void (GLUTCALLBACK *GLUTwindowStatusCB) (int);
+typedef void (GLUTCALLBACK *GLUTidleCB) (void);
+typedef void (GLUTCALLBACK *GLUTtimerCB) (int);
+typedef void (GLUTCALLBACK *GLUTmenuStateCB) (int);  /* DEPRICATED. */
+typedef void (GLUTCALLBACK *GLUTmenuStatusCB) (int, int, int);
+typedef void (GLUTCALLBACK *GLUTselectCB) (int);
+typedef void (GLUTCALLBACK *GLUTspecialCB) (int, int, int);
+typedef void (GLUTCALLBACK *GLUTspaceMotionCB) (int, int, int);
+typedef void (GLUTCALLBACK *GLUTspaceRotateCB) (int, int, int);
+typedef void (GLUTCALLBACK *GLUTspaceButtonCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTdialsCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTbuttonBoxCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTtabletMotionCB) (int, int);
+typedef void (GLUTCALLBACK *GLUTtabletButtonCB) (int, int, int, int);
+typedef void (GLUTCALLBACK *GLUTjoystickCB) (unsigned int buttonMask, int x, int y, int z);
+
+typedef struct _GLUTcolorcell GLUTcolorcell;
+struct _GLUTcolorcell {
+  /* GLUT_RED, GLUT_GREEN, GLUT_BLUE */
+  GLfloat component[3];
+};
+
+typedef struct _GLUTcolormap GLUTcolormap;
+struct _GLUTcolormap {
+  Visual *visual;       /* visual of the colormap */
+  Colormap cmap;        /* X colormap ID */
+  int refcnt;           /* number of windows using colormap */
+  int size;             /* number of cells in colormap */
+  int transparent;      /* transparent pixel, or -1 if opaque */
+  GLUTcolorcell *cells; /* array of cells */
+  GLUTcolormap *next;   /* next colormap in list */
+};
+
+typedef struct _GLUTwindow GLUTwindow;
+typedef struct _GLUToverlay GLUToverlay;
+struct _GLUTwindow {
+  int num;              /* Small integer window id (0-based). */
+
+  /* Window system related state. */
+#if defined(_WIN32)
+  int pf;               /* Pixel format. */
+  HDC hdc;              /* Window's Win32 device context. */
+#endif
+  Window win;           /* X window for GLUT window */
+  GLXContext ctx;       /* OpenGL context GLUT glut window */
+  XVisualInfo *vis;     /* visual for window */
+  Bool visAlloced;      /* if vis needs deallocate on destroy */
+  Colormap cmap;        /* RGB colormap for window; None if CI */
+  GLUTcolormap *colormap;  /* colormap; NULL if RGBA */
+  GLUToverlay *overlay; /* overlay; NULL if no overlay */
+#if defined(_WIN32)
+  HDC renderDc;         /* Win32's device context for rendering. */
+#endif
+  Window renderWin;     /* X window for rendering (might be
+                           overlay) */
+  GLXContext renderCtx; /* OpenGL context for rendering (might
+                           be overlay) */
+  /* GLUT settable or visible window state. */
+  int width;            /* window width in pixels */
+  int height;           /* window height in pixels */
+  int cursor;           /* cursor name */
+  int visState;         /* visibility state (-1 is unknown) */
+  int shownState;       /* if window mapped */
+  int entryState;       /* entry state (-1 is unknown) */
+#define GLUT_MAX_MENUS              3
+
+  int menu[GLUT_MAX_MENUS];  /* attatched menu nums */
+  /* Window relationship state. */
+  GLUTwindow *parent;   /* parent window */
+  GLUTwindow *children; /* list of children */
+  GLUTwindow *siblings; /* list of siblings */
+  /* Misc. non-API visible (hidden) state. */
+  Bool treatAsSingle;   /* treat this window as single-buffered
+                           (it might be "fake" though) */
+  Bool forceReshape;    /* force reshape before display */
+#if !defined(_WIN32)
+  Bool isDirect;        /* if direct context (X11 only) */
+#endif
+  Bool usedSwapBuffers; /* if swap buffers used last display */
+  long eventMask;       /* mask of X events selected for */
+  int buttonUses;       /* number of button uses, ref cnt */
+  int tabletPos[2];     /* tablet position (-1 is invalid) */
+  /* Work list related state. */
+  unsigned int workMask;  /* mask of window work to be done */
+  GLUTwindow *prevWorkWin;  /* link list of windows to work on */
+  Bool desiredMapState; /* how to mapped window if on map work
+                           list */
+  Bool ignoreKeyRepeat;  /* if window ignores autorepeat */
+  int desiredConfMask;  /* mask of desired window configuration
+                         */
+  int desiredX;         /* desired X location */
+  int desiredY;         /* desired Y location */
+  int desiredWidth;     /* desired window width */
+  int desiredHeight;    /* desired window height */
+  int desiredStack;     /* desired window stack */
+  /* Per-window callbacks. */
+  GLUTdisplayCB display;  /* redraw */
+  GLUTreshapeCB reshape;  /* resize (width,height) */
+  GLUTmouseCB mouse;    /* mouse (button,state,x,y) */
+  GLUTmotionCB motion;  /* motion (x,y) */
+  GLUTpassiveCB passive;  /* passive motion (x,y) */
+  GLUTentryCB entry;    /* window entry/exit (state) */
+  GLUTkeyboardCB keyboard;  /* keyboard (ASCII,x,y) */
+  GLUTkeyboardCB keyboardUp;  /* keyboard up (ASCII,x,y) */
+  GLUTwindowStatusCB windowStatus;  /* window status */
+  GLUTvisibilityCB visibility;  /* visibility */
+  GLUTspecialCB special;  /* special key */
+  GLUTspecialCB specialUp;  /* special up key */
+  GLUTbuttonBoxCB buttonBox;  /* button box */
+  GLUTdialsCB dials;    /* dials */
+  GLUTspaceMotionCB spaceMotion;  /* Spaceball motion */
+  GLUTspaceRotateCB spaceRotate;  /* Spaceball rotate */
+  GLUTspaceButtonCB spaceButton;  /* Spaceball button */
+  GLUTtabletMotionCB tabletMotion;  /* tablet motion */
+  GLUTtabletButtonCB tabletButton;  /* tablet button */
+#ifdef _WIN32
+  GLUTjoystickCB joystick;  /* joystick */
+  int joyPollInterval; /* joystick polling interval */
+#endif
+#ifdef SUPPORT_FORTRAN
+  GLUTdisplayFCB fdisplay;  /* Fortran display  */
+  GLUTreshapeFCB freshape;  /* Fortran reshape  */
+  GLUTmouseFCB fmouse;  /* Fortran mouse  */
+  GLUTmotionFCB fmotion;  /* Fortran motion  */
+  GLUTpassiveFCB fpassive;  /* Fortran passive  */
+  GLUTentryFCB fentry;  /* Fortran entry  */
+  GLUTkeyboardFCB fkeyboard;  /* Fortran keyboard  */
+  GLUTkeyboardFCB fkeyboardUp;  /* Fortran keyboard up */
+  GLUTwindowStatusFCB fwindowStatus;  /* Fortran window status */
+  GLUTvisibilityFCB fvisibility;  /* Fortran visibility */
+  GLUTspecialFCB fspecial;  /* special key */
+  GLUTspecialFCB fspecialUp;  /* special key up */
+  GLUTbuttonBoxFCB fbuttonBox;  /* button box */
+  GLUTdialsFCB fdials;  /* dials */
+  GLUTspaceMotionFCB fspaceMotion;  /* Spaceball motion */
+  GLUTspaceRotateFCB fspaceRotate;  /* Spaceball rotate */
+  GLUTspaceButtonFCB fspaceButton;  /* Spaceball button */
+  GLUTtabletMotionFCB ftabletMotion;  /* tablet motion */
+  GLUTtabletButtonFCB ftabletButton;  /* tablet button */
+#ifdef _WIN32
+  GLUTjoystickFCB fjoystick;  /* joystick */
+#endif
+#endif
+};
+
+struct _GLUToverlay {
+#if defined(_WIN32)
+  int pf;
+  HDC hdc;
+#endif
+  Window win;
+  GLXContext ctx;
+  XVisualInfo *vis;     /* visual for window */
+  Bool visAlloced;      /* if vis needs deallocate on destroy */
+  Colormap cmap;        /* RGB colormap for window; None if CI */
+  GLUTcolormap *colormap;  /* colormap; NULL if RGBA */
+  int shownState;       /* if overlay window mapped */
+  Bool treatAsSingle;   /* treat as single-buffered */
+#if !defined(_WIN32)
+  Bool isDirect;        /* if direct context */
+#endif
+  int transparentPixel; /* transparent pixel value */
+  GLUTdisplayCB display;  /* redraw  */
+#ifdef SUPPORT_FORTRAN
+  GLUTdisplayFCB fdisplay;  /* redraw  */
+#endif
+};
+
+typedef struct _GLUTstale GLUTstale;
+struct _GLUTstale {
+  GLUTwindow *window;
+  Window win;
+  GLUTstale *next;
+};
+
+extern GLUTstale *__glutStaleWindowList;
+
+#define GLUT_OVERLAY_EVENT_FILTER_MASK \
+  (ExposureMask | \
+  StructureNotifyMask | \
+  EnterWindowMask | \
+  LeaveWindowMask)
+#define GLUT_DONT_PROPAGATE_FILTER_MASK \
+  (ButtonReleaseMask | \
+  ButtonPressMask | \
+  KeyPressMask | \
+  KeyReleaseMask | \
+  PointerMotionMask | \
+  Button1MotionMask | \
+  Button2MotionMask | \
+  Button3MotionMask)
+#define GLUT_HACK_STOP_PROPAGATE_MASK \
+  (KeyPressMask | \
+  KeyReleaseMask)
+
+typedef struct _GLUTmenu GLUTmenu;
+typedef struct _GLUTmenuItem GLUTmenuItem;
+struct _GLUTmenu {
+  int id;               /* small integer menu id (0-based) */
+  Window win;           /* X window for the menu */
+  GLUTselectCB select;  /*  function of menu */
+  GLUTmenuItem *list;   /* list of menu entries */
+  int num;              /* number of entries */
+#if !defined(_WIN32)
+  Bool managed;         /* are the InputOnly windows size
+                           validated? */
+  Bool searched;	/* help detect menu loops */
+  int pixheight;        /* height of menu in pixels */
+  int pixwidth;         /* width of menu in pixels */
+#endif
+  int submenus;         /* number of submenu entries */
+  GLUTmenuItem *highlighted;  /* pointer to highlighted menu
+                                 entry, NULL not highlighted */
+  GLUTmenu *cascade;    /* currently cascading this menu  */
+  GLUTmenuItem *anchor; /* currently anchored to this entry */
+  int x;                /* current x origin relative to the
+                           root window */
+  int y;                /* current y origin relative to the
+                           root window */
+#ifdef SUPPORT_FORTRAN
+  GLUTselectFCB fselect;  /*  function of menu */
+#endif
+};
+
+struct _GLUTmenuItem {
+  Window win;           /* InputOnly X window for entry */
+  GLUTmenu *menu;       /* menu entry belongs to */
+  Bool isTrigger;       /* is a submenu trigger? */
+  int value;            /* value to return for selecting this
+                           entry; doubles as submenu id
+                           (0-base) if submenu trigger */
+#if defined(_WIN32)
+  UINT unique;          /* unique menu item id (Win32 only) */
+#endif
+  char *label;          /* __glutStrdup'ed label string */
+  int len;              /* length of label string */
+  int pixwidth;         /* width of X window in pixels */
+  GLUTmenuItem *next;   /* next menu entry on list for menu */
+};
+
+typedef struct _GLUTtimer GLUTtimer;
+struct _GLUTtimer {
+  GLUTtimer *next;      /* list of timers */
+  struct timeval timeout;  /* time to be called */
+  GLUTtimerCB func;     /* timer  (value) */
+  int value;            /*  return value */
+#ifdef SUPPORT_FORTRAN
+  GLUTtimerFCB ffunc;   /* Fortran timer  */
+#endif
+};
+
+typedef struct _GLUTeventParser GLUTeventParser;
+struct _GLUTeventParser {
+  int (*func) (XEvent *);
+  GLUTeventParser *next;
+};
+
+/* Declarations to implement glutFullScreen support with
+   mwm/4Dwm. */
+
+/* The following X property format is defined in Motif 1.1's
+   Xm/MwmUtils.h, but GLUT should not depend on that header
+   file. Note: Motif 1.2 expanded this structure with
+   uninteresting fields (to GLUT) so just stick with the
+   smaller Motif 1.1 structure. */
+typedef struct {
+#define MWM_HINTS_DECORATIONS   2
+  long flags;
+  long functions;
+  long decorations;
+  long input_mode;
+} MotifWmHints;
+
+/* Make current and buffer swap macros. */
+#ifdef _WIN32
+#define MAKE_CURRENT_LAYER(window)                                    \
+  {                                                                   \
+    HGLRC currentContext = GetCurrentContext();                       \
+    HDC currentDc = GetCurrentDC();                                   \
+                                                                      \
+    if (currentContext != window->renderCtx                           \
+      || currentDc != window->renderDc) {                             \
+      MakeCurrent(window->renderDc, window->renderCtx);               \
+    }                                                                 \
+  }
+#define MAKE_CURRENT_WINDOW(window)                                   \
+  {                                                                   \
+    HGLRC currentContext = GetCurrentContext();                       \
+    HDC currentDc = GetCurrentDC();                                   \
+                                                                      \
+    if (currentContext != window->ctx || currentDc != window->hdc) {  \
+      MakeCurrent(window->hdc, window->ctx);                          \
+    }                                                                 \
+  }
+#define MAKE_CURRENT_OVERLAY(overlay) \
+  MakeCurrent(overlay->hdc, overlay->ctx)
+#define UNMAKE_CURRENT() \
+  MakeCurrent(NULL, NULL)
+#define SWAP_BUFFERS_WINDOW(window) \
+  SwapBuffers(window->hdc)
+#define SWAP_BUFFERS_LAYER(window) \
+  SwapBuffers(window->renderDc)
+#else
+#define MAKE_CURRENT_LAYER(window) \
+  glXMakeCurrent(__glutDisplay, window->renderWin, window->renderCtx)
+#define MAKE_CURRENT_WINDOW(window) \
+  glXMakeCurrent(__glutDisplay, window->win, window->ctx)
+#define MAKE_CURRENT_OVERLAY(overlay) \
+  glXMakeCurrent(__glutDisplay, overlay->win, overlay->ctx)
+#define UNMAKE_CURRENT() \
+  glXMakeCurrent(__glutDisplay, None, NULL)
+#define SWAP_BUFFERS_WINDOW(window) \
+  glXSwapBuffers(__glutDisplay, window->win)
+#define SWAP_BUFFERS_LAYER(window) \
+  glXSwapBuffers(__glutDisplay, window->renderWin)
+#endif
+
+/* private variables from glut_event.c */
+extern GLUTwindow *__glutWindowWorkList;
+extern int __glutWindowDamaged;
+#ifdef SUPPORT_FORTRAN
+extern GLUTtimer *__glutTimerList;
+extern GLUTtimer *__glutNewTimer;
+#endif
+extern GLUTmenu *__glutMappedMenu;
+
+extern void (*__glutUpdateInputDeviceMaskFunc) (GLUTwindow *);
+#if !defined(_WIN32)
+extern void (*__glutMenuItemEnterOrLeave)(GLUTmenuItem * item,
+  int num, int type);
+extern void (*__glutFinishMenu)(Window win, int x, int y);
+extern void (*__glutPaintMenu)(GLUTmenu * menu);
+extern void (*__glutStartMenu)(GLUTmenu * menu,
+  GLUTwindow * window, int x, int y, int x_win, int y_win);
+extern GLUTmenu * (*__glutGetMenuByNum)(int menunum);
+extern GLUTmenuItem * (*__glutGetMenuItem)(GLUTmenu * menu,
+  Window win, int *which);
+extern GLUTmenu * (*__glutGetMenu)(Window win);
+#endif
+
+/* private variables from glut_init.c */
+extern Atom __glutWMDeleteWindow;
+extern Display *__glutDisplay;
+extern unsigned int __glutDisplayMode;
+extern char *__glutDisplayString;
+extern XVisualInfo *(*__glutDetermineVisualFromString) (char *string, Bool * treatAsSingle,
+  Criterion * requiredCriteria, int nRequired, int requiredMask, void **fbc);
+extern GLboolean __glutDebug;
+extern GLboolean __glutForceDirect;
+extern GLboolean __glutIconic;
+extern GLboolean __glutTryDirect;
+extern Window __glutRoot;
+extern XSizeHints __glutSizeHints;
+extern char **__glutArgv;
+extern char *__glutProgramName;
+extern int __glutArgc;
+extern int __glutConnectionFD;
+extern int __glutInitHeight;
+extern int __glutInitWidth;
+extern int __glutInitX;
+extern int __glutInitY;
+extern int __glutScreen;
+extern int __glutScreenHeight;
+extern int __glutScreenWidth;
+extern Atom __glutMotifHints;
+extern unsigned int __glutModifierMask;
+#ifdef _WIN32
+extern void (__cdecl *__glutExitFunc)(int retval);
+#endif
+
+/* private variables from glut_menu.c */
+extern GLUTmenuItem *__glutItemSelected;
+extern GLUTmenu **__glutMenuList;
+extern void (GLUTCALLBACK *__glutMenuStatusFunc) (int, int, int);
+extern void __glutMenuModificationError(void);
+extern void __glutSetMenuItem(GLUTmenuItem * item,
+  const char *label, int value, Bool isTrigger);
+
+/* private variables from glut_win.c */
+extern GLUTwindow **__glutWindowList;
+extern GLUTwindow *__glutCurrentWindow;
+extern GLUTwindow *__glutMenuWindow;
+extern GLUTmenu *__glutCurrentMenu;
+extern int __glutWindowListSize;
+extern void (*__glutFreeOverlayFunc) (GLUToverlay *);
+extern XVisualInfo *__glutDetermineWindowVisual(Bool * treatAsSingle,
+  Bool * visAlloced, void **fbc);
+
+/* private variables from glut_mesa.c */
+extern int __glutMesaSwapHackSupport;
+
+/* private variables from glut_gamemode.c */
+extern GLUTwindow *__glutGameModeWindow;
+
+/* private routines from glut_cindex.c */
+extern GLUTcolormap * __glutAssociateNewColormap(XVisualInfo * vis);
+extern void __glutFreeColormap(GLUTcolormap *);
+
+/* private routines from glut_cmap.c */
+extern void __glutSetupColormap(
+  XVisualInfo * vi,
+  GLUTcolormap ** colormap,
+  Colormap * cmap);
+#if !defined(_WIN32)
+extern void __glutEstablishColormapsProperty(
+  GLUTwindow * window);
+extern GLUTwindow *__glutToplevelOf(GLUTwindow * window);
+#endif
+
+/* private routines from glut_cursor.c */
+extern void __glutSetCursor(GLUTwindow *window);
+
+/* private routines from glut_event.c */
+extern void __glutPutOnWorkList(GLUTwindow * window,
+  int work_mask);
+extern void __glutRegisterEventParser(GLUTeventParser * parser);
+extern void __glutPostRedisplay(GLUTwindow * window, int layerMask);
+
+/* private routines from glut_init.c */
+#if !defined(_WIN32)
+extern void __glutOpenXConnection(char *display);
+#else
+extern void __glutOpenWin32Connection(char *display);
+#endif
+extern void __glutInitTime(struct timeval *beginning);
+
+/* private routines for glut_menu.c (or win32_menu.c) */
+#if defined(_WIN32)
+extern GLUTmenu *__glutGetMenu(Window win);
+extern GLUTmenu *__glutGetMenuByNum(int menunum);
+extern GLUTmenuItem *__glutGetMenuItem(GLUTmenu * menu,
+  Window win, int *which);
+extern void __glutStartMenu(GLUTmenu * menu,
+  GLUTwindow * window, int x, int y, int x_win, int y_win);
+extern void __glutFinishMenu(Window win, int x, int y);
+#endif
+extern void __glutSetMenu(GLUTmenu * menu);
+
+/* private routines from glut_util.c */
+extern char * __glutStrdup(const char *string);
+extern void __glutWarning(char *format,...);
+extern void __glutFatalError(char *format,...);
+extern void __glutFatalUsage(char *format,...);
+
+/* private routines from glut_win.c */
+extern GLUTwindow *__glutGetWindow(Window win);
+extern void __glutChangeWindowEventMask(long mask, Bool add);
+extern XVisualInfo *__glutDetermineVisual(
+  unsigned int mode,
+  Bool * fakeSingle,
+  XVisualInfo * (getVisualInfo) (unsigned int));
+extern XVisualInfo *__glutGetVisualInfo(unsigned int mode);
+extern void __glutSetWindow(GLUTwindow * window);
+extern void __glutReshapeFunc(GLUTreshapeCB reshapeFunc,
+  int callingConvention);
+extern void GLUTCALLBACK __glutDefaultReshape(int, int);
+extern GLUTwindow *__glutCreateWindow(
+  GLUTwindow * parent,
+  int x, int y, int width, int height, int gamemode);
+extern void __glutDestroyWindow(
+  GLUTwindow * window,
+  GLUTwindow * initialWindow);
+
+#if !defined(_WIN32)
+/* private routines from glut_glxext.c */
+extern int __glutIsSupportedByGLX(char *);
+#endif
+
+/* private routines from glut_input.c */
+extern void  __glutUpdateInputDeviceMask(GLUTwindow * window);
+
+/* private routines from glut_mesa.c */
+extern void __glutDetermineMesaSwapHackSupport(void);
+
+/* private routines from glut_gameglut.c */
+extern void GLUTAPIENTRYV __glutCloseDownGameMode(void);
+
+#if defined(_WIN32)
+/* private routines from win32_*.c */
+extern LONG WINAPI __glutWindowProc(HWND win, UINT msg, WPARAM w, LPARAM l);
+extern HDC XHDC;
+#endif
+
+#endif /* __glutint_h__ */