Drop unused glut subdirectories

1 files changed, 0 insertions, 679 deletions

diff --git a/src/glut/os2/glut_gamemode.cpp b/src/glut/os2/glut_gamemode.cpp
deleted file mode 100644
index 1756e8a4b56..00000000000
--- a/src/glut/os2/glut_gamemode.cpp
+++ /dev/null
@@ -1,679 +0,0 @@
-
-/* Copyright (c) Mark J. Kilgard, 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. */
-
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "glutint.h"
-
-#if !defined(_WIN32) && !defined(__OS2__)
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-
-/* SGI optimization introduced in IRIX 6.3 to avoid X server
-   round trips for interning common X atoms. */
-#if defined(_SGI_EXTRA_PREDEFINES) && !defined(NO_FAST_ATOMS)
-#include <X11/SGIFastAtom.h>
-#else
-#define XSGIFastInternAtom(dpy,string,fast_name,how) XInternAtom(dpy,string,how)
-#endif
-#endif  /* not _WIN32 */
-
-int __glutDisplaySettingsChanged = 0;
-static DisplayMode *dmodes, *currentDm = NULL;
-static int ndmodes = -1;
-GLUTwindow *__glutGameModeWindow = NULL;
-
-#ifdef TEST
-static char *compstr[] =
-{
-  "none", "=", "!=", "<=", ">=", ">", "<", "~"
-};
-static char *capstr[] =
-{
-  "width", "height", "bpp", "hertz", "num"
-};
-#endif
-
-#if defined(__OS2__)
-void
-#else
-void __cdecl
-#endif
-__glutCloseDownGameMode(void)
-{
-  if (__glutDisplaySettingsChanged) {
-#ifdef _WIN32
-    /* Assumes that display settings have been changed, that
-       is __glutDisplaySettingsChanged is true. */
-    ChangeDisplaySettings(NULL, 0);
-#endif
-    __glutDisplaySettingsChanged = 0;
-  }
-  __glutGameModeWindow = NULL;
-}
-
-void GLUTAPIENTRY
-glutLeaveGameMode(void)
-{
-  if (__glutGameModeWindow == NULL) {
-    __glutWarning("not in game mode so cannot leave game mode");
-    return;
-  }
-  __glutDestroyWindow(__glutGameModeWindow,
-    __glutGameModeWindow);
-  XFlush(__glutDisplay);
-  __glutGameModeWindow = NULL;
-}
-
-#ifdef _WIN32
-
-/* Same values as from MSDN's SetDisp.c example. */
-#define MIN_WIDTH 400
-#define MIN_FREQUENCY 60
-
-static void
-initGameModeSupport(void)
-{
-  DEVMODE dm;
-  DWORD mode;
-  int i;
-
-  if (ndmodes >= 0) {
-    /* ndmodes is initially -1 to indicate no
-       dmodes allocated yet. */
-    return;
-  }
-
-  /* Determine how many display modes there are. */
-  ndmodes = 0;
-  mode = 0;
-  while (EnumDisplaySettings(NULL, mode, &dm)) {
-    if (dm.dmPelsWidth >= MIN_WIDTH &&
-      (dm.dmDisplayFrequency == 0 ||
-      dm.dmDisplayFrequency >= MIN_FREQUENCY)) {
-      ndmodes++;
-    }
-    mode++;
-  }
-
-  /* Allocate memory for a list of all the display modes. */
-  dmodes = (DisplayMode*)
-    malloc(ndmodes * sizeof(DisplayMode));
-
-  /* Now that we know how many display modes to expect,
-     enumerate them again and save the information in
-     the list we allocated above. */
-  i = 0;
-  mode = 0;
-  while (EnumDisplaySettings(NULL, mode, &dm)) {
-    /* Try to reject any display settings that seem unplausible. */
-    if (dm.dmPelsWidth >= MIN_WIDTH &&
-      (dm.dmDisplayFrequency == 0 ||
-      dm.dmDisplayFrequency >= MIN_FREQUENCY)) {
-      dmodes[i].devmode = dm;
-      dmodes[i].valid = 1;  /* XXX Not used for now. */
-      dmodes[i].cap[DM_WIDTH] = dm.dmPelsWidth;
-      dmodes[i].cap[DM_HEIGHT] = dm.dmPelsHeight;
-      dmodes[i].cap[DM_PIXEL_DEPTH] = dm.dmBitsPerPel;
-      if (dm.dmDisplayFrequency == 0) {
-       /* Guess a reasonable guess. */
-       /* Lame Windows 95 version of EnumDisplaySettings. */
-        dmodes[i].cap[DM_HERTZ] = 60;
-      } else {
-       dmodes[i].cap[DM_HERTZ] = dm.dmDisplayFrequency;
-      }
-      i++;
-    }
-    mode++;
-  }
-
-  assert(i == ndmodes);
-}
-
-#else
-
-/* X Windows version of initGameModeSupport. */
-static void
-initGameModeSupport(void)
-{
-  if (ndmodes >= 0) {
-    /* ndmodes is initially -1 to indicate no
-       dmodes allocated yet. */
-    return;
-  }
-
-  /* Determine how many display modes there are. */
-  ndmodes = 0;
-}
-
-#endif
-
-/* This routine is based on similiar code in glut_dstr.c */
-static DisplayMode *
-findMatch(DisplayMode * dmodes, int ndmodes,
-  Criterion * criteria, int ncriteria)
-{
-  DisplayMode *found;
-  int *bestScore, *thisScore;
-  int i, j, numok, result = 0, worse, better;
-
-  found = NULL;
-  numok = 1;            /* "num" capability is indexed from 1,
-                           not 0. */
-
-  /* XXX alloca canidate. */
-  bestScore = (int *) malloc(ncriteria * sizeof(int));
-  if (!bestScore) {
-    __glutFatalError("out of memory.");
-  }
-  for (j = 0; j < ncriteria; j++) {
-    /* Very negative number. */
-    bestScore[j] = -32768;
-  }
-
-  /* XXX alloca canidate. */
-  thisScore = (int *) malloc(ncriteria * sizeof(int));
-  if (!thisScore) {
-    __glutFatalError("out of memory.");
-  }
-
-  for (i = 0; i < ndmodes; i++) {
-    if (dmodes[i].valid) {
-      worse = 0;
-      better = 0;
-
-      for (j = 0; j < ncriteria; j++) {
-        int cap, cvalue, dvalue;
-
-        cap = criteria[j].capability;
-        cvalue = criteria[j].value;
-        if (cap == NUM) {
-          dvalue = numok;
-        } else {
-          dvalue = dmodes[i].cap[cap];
-        }
-#ifdef TEST
-        if (verbose)
-          printf("  %s %s %d to %d\n",
-            capstr[cap], compstr[criteria[j].comparison], cvalue, dvalue);
-#endif
-        switch (criteria[j].comparison) {
-        case EQ:
-          result = cvalue == dvalue;
-          thisScore[j] = 1;
-          break;
-        case NEQ:
-          result = cvalue != dvalue;
-          thisScore[j] = 1;
-          break;
-        case LT:
-          result = dvalue < cvalue;
-          thisScore[j] = dvalue - cvalue;
-          break;
-        case GT:
-          result = dvalue > cvalue;
-          thisScore[j] = dvalue - cvalue;
-          break;
-        case LTE:
-          result = dvalue <= cvalue;
-          thisScore[j] = dvalue - cvalue;
-          break;
-        case GTE:
-          result = (dvalue >= cvalue);
-          thisScore[j] = dvalue - cvalue;
-          break;
-        case MIN:
-          result = dvalue >= cvalue;
-          thisScore[j] = cvalue - dvalue;
-          break;
-        }
-
-#ifdef TEST
-        if (verbose)
-          printf("                result=%d   score=%d   bestScore=%d\n", result, thisScore[j], bestScore[j]);
-#endif
-
-        if (result) {
-          if (better || thisScore[j] > bestScore[j]) {
-            better = 1;
-          } else if (thisScore[j] == bestScore[j]) {
-            /* Keep looking. */
-          } else {
-            goto nextDM;
-          }
-        } else {
-          if (cap == NUM) {
-            worse = 1;
-          } else {
-            goto nextDM;
-          }
-        }
-
-      }
-
-      if (better && !worse) {
-        found = &dmodes[i];
-        for (j = 0; j < ncriteria; j++) {
-          bestScore[j] = thisScore[j];
-        }
-      }
-      numok++;
-
-    nextDM:;
-
-    }
-  }
-  free(bestScore);
-  free(thisScore);
-  return found;
-}
-
-/**
- * Parses strings in the form of:
- *  800x600
- *  800x600:16
- *  800x600@60
- *  800x600:16@60
- *  @60
- *  :16
- *  :16@60
- * NOTE that @ before : is not parsed.
- */
-static int
-specialCaseParse(char *word, Criterion * criterion, int mask)
-{
-  char *xstr, *response;
-  int got;
-  int width, height, bpp, hertz;
-
-  switch(word[0]) {
-  case '0':
-  case '1':
-  case '2':
-  case '3':
-  case '4':
-  case '5':
-  case '6':
-  case '7':
-  case '8':
-  case '9':
-    /* The WWWxHHH case. */
-    if (mask & (1 << DM_WIDTH)) {
-      return -1;
-    }
-    xstr = strpbrk(&word[1], "x");
-    if (xstr) {
-      width = (int) strtol(word, &response, 0);
-      if (response == word || response[0] != 'x') {
-        /* Not a valid number OR needs to be followed by 'x'. */
-       return -1;
-      }
-      height = (int) strtol(&xstr[1], &response, 0);
-      if (response == &xstr[1]) {
-        /* Not a valid number. */
-       return -1;
-      }
-      criterion[0].capability = DM_WIDTH;
-      criterion[0].comparison = EQ;
-      criterion[0].value = width;
-      criterion[1].capability = DM_HEIGHT;
-      criterion[1].comparison = EQ;
-      criterion[1].value = height;
-      got = specialCaseParse(response,
-        &criterion[2], 1 << DM_WIDTH);
-      if (got >= 0) {
-        return got + 2;
-      } else {
-        return -1;
-      }
-    }
-    return -1;
-  case ':':
-    /* The :BPP case. */
-    if (mask & (1 << DM_PIXEL_DEPTH)) {
-      return -1;
-    }
-    bpp = (int) strtol(&word[1], &response, 0);
-    if (response == &word[1]) {
-      /* Not a valid number. */
-      return -1;
-    }
-    criterion[0].capability = DM_PIXEL_DEPTH;
-    criterion[0].comparison = EQ;
-    criterion[0].value = bpp;
-    got = specialCaseParse(response,
-      &criterion[1], (1 << DM_WIDTH) | (1 << DM_PIXEL_DEPTH));
-    if (got >= 0) {
-      return got + 1;
-    } else {
-      return -1;
-    }
-  case '@':
-    /* The @HZ case. */
-    if (mask & (1 << DM_HERTZ)) {
-      return -1;
-    }
-    hertz = (int) strtol(&word[1], &response, 0);
-    if (response == &word[1]) {
-      /* Not a valid number. */
-      return -1;
-    }
-    criterion[0].capability = DM_HERTZ;
-    criterion[0].comparison = EQ;
-    criterion[0].value = hertz;
-    got = specialCaseParse(response,
-      &criterion[1], ~DM_HERTZ);
-    if (got >= 0) {
-      return got + 1;
-    } else {
-      return -1;
-    }
-  case '\0':
-    return 0;
-  }
-  return -1;
-}
-
-/* This routine is based on similiar code in glut_dstr.c */
-static int
-parseCriteria(char *word, Criterion * criterion)
-{
-  char *cstr, *vstr, *response;
-  int comparator, value = 0;
-
-  cstr = strpbrk(word, "=><!~");
-  if (cstr) {
-    switch (cstr[0]) {
-    case '=':
-      comparator = EQ;
-      vstr = &cstr[1];
-      break;
-    case '~':
-      comparator = MIN;
-      vstr = &cstr[1];
-      break;
-    case '>':
-      if (cstr[1] == '=') {
-        comparator = GTE;
-        vstr = &cstr[2];
-      } else {
-        comparator = GT;
-        vstr = &cstr[1];
-      }
-      break;
-    case '<':
-      if (cstr[1] == '=') {
-        comparator = LTE;
-        vstr = &cstr[2];
-      } else {
-        comparator = LT;
-        vstr = &cstr[1];
-      }
-      break;
-    case '!':
-      if (cstr[1] == '=') {
-        comparator = NEQ;
-        vstr = &cstr[2];
-      } else {
-        return -1;
-      }
-      break;
-    default:
-      return -1;
-    }
-    value = (int) strtol(vstr, &response, 0);
-    if (response == vstr) {
-      /* Not a valid number. */
-      return -1;
-    }
-    *cstr = '\0';
-  } else {
-    comparator = NONE;
-  }
-  switch (word[0]) {
-  case 'b':
-    if (!strcmp(word, "bpp")) {
-      criterion[0].capability = DM_PIXEL_DEPTH;
-      if (comparator == NONE) {
-        return -1;
-      } else {
-        criterion[0].comparison = comparator;
-        criterion[0].value = value;
-        return 1;
-      }
-    }
-    return -1;
-  case 'h':
-    if (!strcmp(word, "height")) {
-      criterion[0].capability = DM_HEIGHT;
-      if (comparator == NONE) {
-        return -1;
-      } else {
-        criterion[0].comparison = comparator;
-        criterion[0].value = value;
-        return 1;
-      }
-    }
-    if (!strcmp(word, "hertz")) {
-      criterion[0].capability = DM_HERTZ;
-      if (comparator == NONE) {
-        return -1;
-      } else {
-        criterion[0].comparison = comparator;
-        criterion[0].value = value;
-        return 1;
-      }
-    }
-    return -1;
-  case 'n':
-    if (!strcmp(word, "num")) {
-      criterion[0].capability = DM_NUM;
-      if (comparator == NONE) {
-        return -1;
-      } else {
-        criterion[0].comparison = comparator;
-        criterion[0].value = value;
-        return 1;
-      }
-    }
-    return -1;
-  case 'w':
-    if (!strcmp(word, "width")) {
-      criterion[0].capability = DM_WIDTH;
-      if (comparator == NONE) {
-        return -1;
-      } else {
-        criterion[0].comparison = comparator;
-        criterion[0].value = value;
-        return 1;
-      }
-    }
-    return -1;
-  }
-  if (comparator == NONE) {
-    return specialCaseParse(word, criterion, 0);
-  }
-  return -1;
-}
-
-/* This routine is based on similiar code in glut_dstr.c */
-static Criterion *
-parseDisplayString(const char *display, int *ncriteria)
-{
-  Criterion *criteria = NULL;
-  int n, parsed;
-  char *copy, *word;
-
-  copy = __glutStrdup(display);
-  /* Attempt to estimate how many criteria entries should be
-     needed. */
-  n = 0;
-  word = strtok(copy, " \t");
-  while (word) {
-    n++;
-    word = strtok(NULL, " \t");
-  }
-  /* Allocate number of words of criteria.  A word
-     could contain as many as four criteria in the
-     worst case.  Example: 800x600:16@60 */
-  criteria = (Criterion *) malloc(4 * n * sizeof(Criterion));
-  if (!criteria) {
-    __glutFatalError("out of memory.");
-  }
-
-  /* Re-copy the copy of the display string. */
-  strcpy(copy, display);
-
-  n = 0;
-  word = strtok(copy, " \t");
-  while (word) {
-    parsed = parseCriteria(word, &criteria[n]);
-    if (parsed >= 0) {
-      n += parsed;
-    } else {
-      __glutWarning("Unrecognized game mode string word: %s (ignoring)\n", word);
-    }
-    word = strtok(NULL, " \t");
-  }
-
-  free(copy);
-  *ncriteria = n;
-  return criteria;
-}
-
-void GLUTAPIENTRY
-glutGameModeString(const char *string)
-{
-  Criterion *criteria;
-  int ncriteria;
-
-  initGameModeSupport();
-  criteria = parseDisplayString(string, &ncriteria);
-  currentDm = findMatch(dmodes, ndmodes, criteria, ncriteria);
-  free(criteria);
-}
-
-int GLUTAPIENTRY
-glutEnterGameMode(void)
-{
-  GLUTwindow *window;
-  int width, height;
-  Window win;
-
-  if (__glutMappedMenu) {
-    __glutFatalUsage("entering game mode not allowed while menus in use");
-  }
-  if (__glutGameModeWindow) {
-    /* Already in game mode, so blow away game mode
-       window so apps can change resolutions. */
-    window = __glutGameModeWindow;
-    /* Setting the game mode window to NULL tricks
-       the window destroy code into not undoing the
-       screen display change since we plan on immediately
-       doing another mode change. */
-    __glutGameModeWindow = NULL;
-    __glutDestroyWindow(window, window);
-  }
-
-  /* Assume default screen size until we find out if we
-     can actually change the display settings. */
-  width = __glutScreenWidth;
-  height = __glutScreenHeight;
-
-  if (currentDm) {
-#ifdef _WIN32
-    LONG status;
-    static int registered = 0;
-
-    status = ChangeDisplaySettings(&currentDm->devmode,
-      CDS_FULLSCREEN);
-    if (status == DISP_CHANGE_SUCCESSFUL) {
-      __glutDisplaySettingsChanged = 1;
-      width = currentDm->cap[DM_WIDTH];
-      height = currentDm->cap[DM_HEIGHT];
-      if (!registered) {
-        atexit(__glutCloseDownGameMode);
-        registered = 1;
-      }
-    } else {
-      /* Switch back to default resolution. */
-      ChangeDisplaySettings(NULL, 0);
-    }
-#endif
-  }
-
-  window = __glutCreateWindow(NULL, 0, 0,
-    width, height, /* game mode */ 1);
-  win = window->win;
-
-#if !defined(_WIN32) && !defined(__OS2__)
-  if (__glutMotifHints == None) {
-    __glutMotifHints = XSGIFastInternAtom(__glutDisplay, "_MOTIF_WM_HINTS",
-      SGI_XA__MOTIF_WM_HINTS, 0);
-    if (__glutMotifHints == None) {
-      __glutWarning("Could not intern X atom for _MOTIF_WM_HINTS.");
-    }
-  }
-
-  /* Game mode window is a toplevel window. */
-  XSetWMProtocols(__glutDisplay, win, &__glutWMDeleteWindow, 1);
-#endif
-
-  /* Schedule the fullscreen property to be added and to
-     make sure the window is configured right.  Win32
-     doesn't need this. */
-  window->desiredX = 0;
-  window->desiredY = 0;
-  window->desiredWidth = width;
-  window->desiredHeight = height;
-  window->desiredConfMask |= CWX | CWY | CWWidth | CWHeight;
-#ifdef _WIN32
-  /* Win32 does not want to use GLUT_FULL_SCREEN_WORK
-     for game mode because we need to be maximizing
-     the window in game mode, not just sizing it to
-     take up the full screen.  The Win32-ness of game
-     mode happens when you pass 1 in the gameMode parameter
-     to __glutCreateWindow above.  A gameMode of creates
-     a WS_POPUP window, not a standard WS_OVERLAPPEDWINDOW
-     window.  WS_POPUP ensures the taskbar is hidden. */
-  __glutPutOnWorkList(window,
-    GLUT_CONFIGURE_WORK);
-#else
-  __glutPutOnWorkList(window,
-    GLUT_CONFIGURE_WORK | GLUT_FULL_SCREEN_WORK);
-#endif
-
-  __glutGameModeWindow = window;
-  return window->num + 1;
-}
-
-int GLUTAPIENTRY
-glutGameModeGet(GLenum mode)
-{
-  switch (mode) {
-  case GLUT_GAME_MODE_ACTIVE:
-    return __glutGameModeWindow != NULL;
-  case GLUT_GAME_MODE_POSSIBLE:
-    return currentDm != NULL;
-  case GLUT_GAME_MODE_WIDTH:
-    return currentDm ? currentDm->cap[DM_WIDTH] : -1;
-  case GLUT_GAME_MODE_HEIGHT:
-    return currentDm ? currentDm->cap[DM_HEIGHT] : -1;
-  case GLUT_GAME_MODE_PIXEL_DEPTH:
-    return currentDm ? currentDm->cap[DM_PIXEL_DEPTH] : -1;
-  case GLUT_GAME_MODE_REFRESH_RATE:
-    return currentDm ? currentDm->cap[DM_HERTZ] : -1;
-  case GLUT_GAME_MODE_DISPLAY_CHANGED:
-    return __glutDisplaySettingsChanged;
-  default:
-    return -1;
-  }
-}