#ifndef __glutint_h__
#define __glutint_h__
/* Copyright (c) Mark J. Kilgard, 1994. */
/* 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. */
#ifdef __sgi
#define SUPPORT_FORTRAN
#endif
#include <X11/Xlib.h>
#include <GL/glx.h>
#include "glut.h"
#ifdef __vms
struct timeval {
__int64 val;
};
extern int sys$gettim(struct timeval *);
#else
#include <sys/types.h>
#include <sys/time.h>
#endif
#if defined(__vms)
/* One TICK on VMS is 100 nanoseconds; 0.1 microseconds or
0.0001 milliseconds. This means that there are 0.01
ticks/ns, 10 ticks/us, 10,000 ticks/ms and 10,000,000
ticks/second. */
#define TICKS_PER_MILLISECOND 10000
#define TICKS_PER_SECOND 10000000
#define GETTIMEOFDAY(_x) (void) sys$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, (struct timezone*) 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 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 BUFFER_SIZE 0
#define RGBA 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 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;
int valid;
int cap[NUM_CAPS];
} FrameBufferMode;
/* GLUT callback function types */
typedef void (*GLUTdisplayCB) (void);
typedef void (*GLUTreshapeCB) (int, int);
typedef void (*GLUTkeyboardCB) (unsigned char, int, int);
typedef void (*GLUTmouseCB) (int, int, int, int);
typedef void (*GLUTmotionCB) (int, int);
typedef void (*GLUTpassiveCB) (int, int);
typedef void (*GLUTentryCB) (int);
typedef void (*GLUTvisibilityCB) (int);
typedef void (*GLUTwindowStatusCB) (int);
typedef void (*GLUTidleCB) (void);
typedef void (*GLUTtimerCB) (int);
typedef void (*GLUTmenuStateCB) (int); /* DEPRICATED. */
typedef void (*GLUTmenuStatusCB) (int, int, int);
typedef void (*GLUTselectCB) (int);
typedef void (*GLUTspecialCB) (int, int, int);
typedef void (*GLUTspaceMotionCB) (int, int, int);
typedef void (*GLUTspaceRotateCB) (int, int, int);
typedef void (*GLUTspaceButtonCB) (int, int);
typedef void (*GLUTdialsCB) (int, int);
typedef void (*GLUTbuttonBoxCB) (int, int);
typedef void (*GLUTtabletMotionCB) (int, int);
typedef void (*GLUTtabletButtonCB) (int, int, int, int);
#ifdef SUPPORT_FORTRAN
typedef void (*GLUTdisplayFCB) (void);
typedef void (*GLUTreshapeFCB) (int *, int *);
/* NOTE the pressed key is int, not unsigned char for Fortran! */
typedef void (*GLUTkeyboardFCB) (int *, int *, int *);
typedef void (*GLUTmouseFCB) (int *, int *, int *, int *);
typedef void (*GLUTmotionFCB) (int *, int *);
typedef void (*GLUTpassiveFCB) (int *, int *);
typedef void (*GLUTentryFCB) (int *);
typedef void (*GLUTvisibilityFCB) (int *);
typedef void (*GLUTwindowStatusFCB) (int *);
typedef void (*GLUTidleFCB) (void);
typedef void (*GLUTtimerFCB) (int *);
typedef void (*GLUTmenuStateFCB) (int *); /* DEPRICATED. */
typedef void (*GLUTmenuStatusFCB) (int *, int *, int *);
typedef void (*GLUTselectFCB) (int *);
typedef void (*GLUTspecialFCB) (int *, int *, int *);
typedef void (*GLUTspaceMotionFCB) (int *, int *, int *);
typedef void (*GLUTspaceRotateFCB) (int *, int *, int *);
typedef void (*GLUTspaceButtonFCB) (int *, int *);
typedef void (*GLUTdialsFCB) (int *, int *);
typedef void (*GLUTbuttonBoxFCB) (int *, int *);
typedef void (*GLUTtabletMotionFCB) (int *, int *);
typedef void (*GLUTtabletButtonFCB) (int *, int *, int *, int *);
#endif
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. */
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 */
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 */
Bool isDirect; /* if direct context */
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 */
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 */
/* Callbacks */
GLUTdisplayCB display; /* redraw callback */
GLUTreshapeCB reshape; /* resize callback (width,height) */
GLUTmouseCB mouse; /* mouse callback (button,state,x,y) */
GLUTmotionCB motion; /* motion callback (x,y) */
GLUTpassiveCB passive; /* passive motion callback (x,y) */
GLUTentryCB entry; /* window entry/exit callback (state) */
GLUTkeyboardCB keyboard; /* keyboard callback (ASCII,x,y) */
GLUTwindowStatusCB windowStatus; /* visibility callback */
GLUTvisibilityCB visibility; /* visibility callback */
GLUTspecialCB special; /* special key callback */
GLUTbuttonBoxCB buttonBox; /* button box callback */
GLUTdialsCB dials; /* dials callback */
GLUTspaceMotionCB spaceMotion; /* Spaceball motion callback */
GLUTspaceRotateCB spaceRotate; /* Spaceball rotate callback */
GLUTspaceButtonCB spaceButton; /* Spaceball button callback */
GLUTtabletMotionCB tabletMotion; /* tablet motion callback */
GLUTtabletButtonCB tabletButton; /* tablet button callback */
#ifdef SUPPORT_FORTRAN
/* Special Fortran display callback unneeded since no
parameters! */
GLUTreshapeFCB freshape; /* Fortran reshape callback */
GLUTmouseFCB fmouse; /* Fortran mouse callback */
GLUTmotionFCB fmotion; /* Fortran motion callback */
GLUTpassiveFCB fpassive; /* Fortran passive callback */
GLUTentryFCB fentry; /* Fortran entry callback */
GLUTkeyboardFCB fkeyboard; /* Fortran keyboard callback */
GLUTwindowStatusFCB fwindowStatus; /* Fortran visibility
callback */
GLUTvisibilityFCB fvisibility; /* Fortran visibility
callback */
GLUTspecialFCB fspecial; /* special key callback */
GLUTbuttonBoxFCB fbuttonBox; /* button box callback */
GLUTdialsFCB fdials; /* dials callback */
GLUTspaceMotionFCB fspaceMotion; /* Spaceball motion
callback */
GLUTspaceRotateFCB fspaceRotate; /* Spaceball rotate
callback */
GLUTspaceButtonFCB fspaceButton; /* Spaceball button
callback */
GLUTtabletMotionFCB ftabletMotion; /* tablet motion callback
*/
GLUTtabletButtonFCB ftabletButton; /* tablet button callback
*/
#endif
};
struct _GLUToverlay {
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 */
Bool isDirect; /* if direct context */
int transparentPixel; /* transparent pixel value */
GLUTdisplayCB display; /* redraw callback */
/* Special Fortran display callback unneeded since no
parameters! */
};
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; /* callback function of menu */
GLUTmenuItem *list; /* list of menu entries */
int num; /* number of entries */
Bool managed; /* are the InputOnly windows size
validated? */
int pixwidth; /* width of menu in pixels */
int pixheight; /* height of menu in pixels */
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; /* callback 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 */
char *label; /* strdup'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 callback (value) */
int value; /* callback return value */
#ifdef SUPPORT_FORTRAN
GLUTtimerFCB ffunc; /* Fortran timer callback */
#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;
/* private variables from glut_event.c */
extern GLUTwindow *__glutWindowWorkList;
extern int __glutWindowDamaged;
#ifdef SUPPORT_FORTRAN
extern GLUTtimer *__glutTimerList;
extern GLUTtimer *__glutNewTimer;
#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);
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;
/* private variables from glut_menu.c */
extern GLUTmenu *__glutCurrentMenu;
extern GLUTmenuItem *__glutItemSelected;
extern GLUTmenu *__glutMappedMenu;
extern GLUTwindow *__glutMenuWindow;
extern void (*__glutMenuStatusFunc) (int, int, int);
/* private variables from glut_win.c */
extern GLUTwindow **__glutWindowList;
extern GLUTwindow *__glutCurrentWindow;
extern int __glutWindowListSize;
extern void (*__glutFreeOverlayFunc) (GLUToverlay *);
extern XVisualInfo * __glutDetermineWindowVisual(Bool *treatAsSingle,
Bool *visAlloced);
/* private variables from glut_mesa.c */
extern int __glutMesaSwapHackSupport;
/* private routines from glut_cindex.c */
extern GLUTcolormap *__glutAssociateColormap(XVisualInfo * vis);
extern void __glutFreeColormap(GLUTcolormap *);
/* private routines from glut_event.c */
extern void (*__glutUpdateInputDeviceMaskFunc) (GLUTwindow *);
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 */
extern void __glutOpenXConnection(char *display);
extern void __glutInitTime(struct timeval *beginning);
/* private routines for glut_menu.c */
extern GLUTmenu *__glutGetMenu(Window win);
extern GLUTmenu *__glutGetMenuByNum(int menunum);
extern GLUTmenuItem *__glutGetMenuItem(GLUTmenu * menu,
Window win, int *which);
extern void __glutFinishMenu(Window win, int x, int y);
extern void __glutMenuItemEnterOrLeave(GLUTmenuItem * item,
int num, int type);
extern void __glutPaintMenu(GLUTmenu * menu);
extern void __glutSetMenu(GLUTmenu * menu);
extern void __glutStartMenu(GLUTmenu * menu,
GLUTwindow * window, int x, int y, int x_win, int y_win);
/* private routines from glut_util.c */
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 GLUTwindow *__glutToplevelOf(GLUTwindow * window);
extern void __glutChangeWindowEventMask(long mask, Bool add);
extern void __glutEstablishColormapsProperty(
GLUTwindow * window);
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 __glutDefaultReshape(int, int);
extern void __glutSetupColormap(
XVisualInfo * vi,
GLUTcolormap ** colormap,
Colormap * cmap,
int isRGB);
extern GLUTwindow * __glutCreateWindow(
GLUTwindow * parent,
int x, int y, int width, int height);
extern void __glutDestroyWindow(
GLUTwindow * window,
GLUTwindow * initialWindow);
/* private routines from glut_ext.c */
extern int __glutIsSupportedByGLX(char *);
/* private routines from glut_input.c */
extern void __glutUpdateInputDeviceMask(GLUTwindow * window);
/* private routines from glut_mesa.c */
extern void __glutDetermineMesaSwapHackSupport(void);
#endif /* __glutint_h__ */
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