sdk: eglut

git-svn-id: svn://kolibrios.org@4503 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/eglut/Makefile

@@ -0,0 +1,41 @@
+
+LIBRARY= libeglut
+
+CC=gcc
+CFLAGS = -U_Win32 -U_WIN32 -U__MINGW32__ -c -O2 -fomit-frame-pointer
+
+AR= ar
+
+INCLUDES= -I. -I../newlib/include -I../Mesa/include -I../Mesa/src/gbm/main -I../render
+
+LIBPATH:= -L../../lib
+
+
+DEFINES= -D__unix__ -DMESA_EGL_NO_X11_HEADERS
+
+
+SOURCES = eglut.c	\
+	  eglut_screen.c
+ 
+
+OBJECTS =  $(patsubst %.c, %.o, $(SOURCES))
+
+
+# targets 
+
+
+all:$(LIBRARY).a
+
+$(LIBRARY).a: $(OBJECTS) Makefile
+	ar cvrs $(LIBRARY).a $(OBJECTS)
+	mv -f $(LIBRARY).a ../../lib
+
+%.o : %.c Makefile
+	$(CC) $(CFLAGS) $(DEFINES) $(INCLUDES) -o $@ $<
+
+clean: 
+	-rm -f *.o 
+
+
+
+

contrib/sdk/sources/eglut/eglut.c

@@ -0,0 +1,335 @@
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdarg.h>
+#include <sys/time.h>
+
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+
+#include "render.h"
+#include "eglutint.h"
+#include <kos32sys.h>
+
+static struct eglut_state _eglut_state = {
+   .api_mask = EGLUT_OPENGL_BIT,
+   .window_width = 300,
+   .window_height = 300,
+   .verbose = 0,
+   .num_windows = 0,
+};
+
+struct eglut_state *_eglut = &_eglut_state;
+
+void
+_eglutFatal(char *format, ...)
+{
+  va_list args;
+
+  va_start(args, format);
+
+  fprintf(stderr, "EGLUT: ");
+  vfprintf(stderr, format, args);
+  va_end(args);
+  putc('\n', stderr);
+
+  exit(1);
+}
+
+/* return current time (in milliseconds) */
+int
+_eglutNow(void)
+{
+   struct timeval tv;
+#ifdef __VMS
+   (void) gettimeofday(&tv, NULL );
+#else
+   struct timezone tz;
+   (void) gettimeofday(&tv, &tz);
+#endif
+   return tv.tv_sec * 1000 + tv.tv_usec / 1000;
+}
+
+static void
+_eglutDestroyWindow(struct eglut_window *win)
+{
+   eglDestroySurface(_eglut->dpy, win->surface);
+   _eglutNativeFiniWindow(win);
+   eglDestroyContext(_eglut->dpy, win->context);
+}
+
+static EGLConfig
+_eglutChooseConfig(void)
+{
+   EGLConfig config;
+   EGLint config_attribs[32];
+   EGLint num_configs, i;
+
+   i = 0;
+   config_attribs[i++] = EGL_RED_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_GREEN_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_BLUE_SIZE;
+   config_attribs[i++] = 1;
+   config_attribs[i++] = EGL_DEPTH_SIZE;
+   config_attribs[i++] = 1;
+
+   config_attribs[i++] = EGL_SURFACE_TYPE;
+   config_attribs[i++] = EGL_WINDOW_BIT;
+
+   config_attribs[i++] = EGL_RENDERABLE_TYPE;
+   config_attribs[i++] = EGL_OPENGL_BIT;
+   config_attribs[i] = EGL_NONE;
+
+//   renderable_type = 0x0;
+//   if (_eglut->api_mask & EGLUT_OPENGL_BIT)
+//      renderable_type |= EGL_OPENGL_BIT;
+//   if (_eglut->api_mask & EGLUT_OPENGL_ES1_BIT)
+//      renderable_type |= EGL_OPENGL_ES_BIT;
+//   if (_eglut->api_mask & EGLUT_OPENGL_ES2_BIT)
+//      renderable_type |= EGL_OPENGL_ES2_BIT;
+//   if (_eglut->api_mask & EGLUT_OPENVG_BIT)
+//      renderable_type |= EGL_OPENVG_BIT;
+
+   if (!eglChooseConfig(_eglut->dpy,
+            config_attribs, &config, 1, &num_configs) || !num_configs)
+      _eglutFatal("failed to choose a config");
+
+   return config;
+}
+
+static struct eglut_window *
+_eglutCreateWindow(const char *title, int x, int y, int w, int h)
+{
+    struct eglut_window *win;
+
+    win = calloc(1, sizeof(*win));
+    if (!win)
+        _eglutFatal("failed to allocate window");
+
+    win->config = _eglutChooseConfig();
+
+    eglBindAPI(EGL_OPENGL_API);
+    win->context = eglCreateContext(_eglut->dpy, win->config, EGL_NO_CONTEXT, NULL);
+    if (!win->context)
+        _eglutFatal("failed to create context");
+
+    _eglutNativeInitWindow(win, title, x, y, w, h);
+    switch (_eglut->surface_type) {
+        case EGL_WINDOW_BIT:
+            win->surface = eglCreateWindowSurface(_eglut->dpy,
+                           win->config, win->native.u.window, NULL);
+        break;
+        default:
+            break;
+    }
+    if (win->surface == EGL_NO_SURFACE)
+        _eglutFatal("failed to create surface");
+
+    return win;
+}
+
+void
+eglutInitAPIMask(int mask)
+{
+   _eglut->api_mask = mask;
+}
+
+void
+eglutInitWindowSize(int width, int height)
+{
+   _eglut->window_width = width;
+   _eglut->window_height = height;
+}
+
+void
+eglutInit(int argc, char **argv)
+{
+   int i;
+
+   for (i = 1; i < argc; i++) {
+      if (strcmp(argv[i], "-display") == 0)
+         _eglut->display_name = argv[++i];
+      else if (strcmp(argv[i], "-info") == 0) {
+         _eglut->verbose = 1;
+      }
+   }
+
+   _eglutNativeInitDisplay();
+   _eglut->dpy = eglGetDisplay(_eglut->native_dpy);
+
+   if (!eglInitialize(_eglut->dpy, &_eglut->major, &_eglut->minor))
+      _eglutFatal("failed to initialize EGL display");
+
+   _eglut->init_time = _eglutNow();
+
+   printf("EGL_VERSION = %s\n", eglQueryString(_eglut->dpy, EGL_VERSION));
+   if (_eglut->verbose) {
+      printf("EGL_VENDOR = %s\n", eglQueryString(_eglut->dpy, EGL_VENDOR));
+      printf("EGL_EXTENSIONS = %s\n",
+            eglQueryString(_eglut->dpy, EGL_EXTENSIONS));
+      printf("EGL_CLIENT_APIS = %s\n",
+            eglQueryString(_eglut->dpy, EGL_CLIENT_APIS));
+   }
+}
+
+int
+eglutGet(int state)
+{
+   int val;
+
+   switch (state) {
+   case EGLUT_ELAPSED_TIME:
+      val = _eglutNow() - _eglut->init_time;
+      break;
+   default:
+      val = -1;
+      break;
+   }
+
+   return val;
+}
+
+void
+eglutIdleFunc(EGLUTidleCB func)
+{
+   _eglut->idle_cb = func;
+}
+
+void
+eglutPostRedisplay(void)
+{
+   _eglut->redisplay = 1;
+}
+
+void
+eglutMainLoop(void)
+{
+   struct eglut_window *win = _eglut->current;
+
+   if (!win)
+      _eglutFatal("no window is created\n");
+
+   if (win->reshape_cb)
+      win->reshape_cb(win->native.width, win->native.height);
+
+   _eglutNativeEventLoop();
+}
+
+void
+eglutFini(void)
+{
+   eglTerminate(_eglut->dpy);
+   _eglutNativeFiniDisplay();
+}
+
+void
+eglutDestroyWindow(int win)
+{
+   eglMakeCurrent(_eglut->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
+   _eglutDestroyWindow(_eglut->current);
+}
+
+static void
+_eglutDefaultKeyboard(unsigned char key)
+{
+}
+
+int
+eglutCreateWindow(const char *title)
+{
+    struct eglut_window *win;
+    int skinh;
+
+    win = _eglutCreateWindow(title, 20, 20,
+          _eglut->window_width, _eglut->window_height);
+
+    win->index = _eglut->num_windows++;
+    win->reshape_cb = NULL;
+    win->display_cb = NULL;
+    win->keyboard_cb = _eglutDefaultKeyboard;
+    win->special_cb = NULL;
+
+    if (!eglMakeCurrent(_eglut->dpy, win->surface, win->surface, win->context))
+        _eglutFatal("failed to make window current");
+    _eglut->current = win;
+
+    skinh = get_skin_height();
+
+    _eglut->render = create_render(_eglut->dpy, win->surface, TYPE_3_BORDER_WIDTH, skinh);
+    return win->index;
+}
+
+int
+eglutGetWindowWidth(void)
+{
+   struct eglut_window *win = _eglut->current;
+   return win->native.width;
+}
+
+int
+eglutGetWindowHeight(void)
+{
+   struct eglut_window *win = _eglut->current;
+   return win->native.height;
+}
+
+void
+eglutDisplayFunc(EGLUTdisplayCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->display_cb = func;
+
+}
+
+void
+eglutReshapeFunc(EGLUTreshapeCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->reshape_cb = func;
+}
+
+void
+eglutKeyboardFunc(EGLUTkeyboardCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->keyboard_cb = func;
+}
+
+void
+eglutSpecialFunc(EGLUTspecialCB func)
+{
+   struct eglut_window *win = _eglut->current;
+   win->special_cb = func;
+}
+
+int atexit(void (*func)(void))
+{
+    return 0;
+};

contrib/sdk/sources/eglut/eglut.h

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#ifndef EGLUT_H
+#define EGLUT_H
+
+/* used by eglutInitAPIMask */
+enum {
+   EGLUT_OPENGL_BIT     = 0x1,
+   EGLUT_OPENGL_ES1_BIT = 0x2,
+   EGLUT_OPENGL_ES2_BIT = 0x4,
+   EGLUT_OPENVG_BIT     = 0x8
+};
+
+/* used by EGLUTspecialCB */
+enum {
+   /* function keys */
+   EGLUT_KEY_F1,
+   EGLUT_KEY_F2,
+   EGLUT_KEY_F3,
+   EGLUT_KEY_F4,
+   EGLUT_KEY_F5,
+   EGLUT_KEY_F6,
+   EGLUT_KEY_F7,
+   EGLUT_KEY_F8,
+   EGLUT_KEY_F9,
+   EGLUT_KEY_F10,
+   EGLUT_KEY_F11,
+   EGLUT_KEY_F12,
+
+   /* directional keys */
+   EGLUT_KEY_LEFT  = 176,
+   EGLUT_KEY_UP    = 178,
+   EGLUT_KEY_RIGHT = 179,
+   EGLUT_KEY_DOWN  = 177,
+};
+
+
+/* used by eglutGet */
+enum {
+   EGLUT_ELAPSED_TIME
+};
+
+typedef void (*EGLUTidleCB)(void);
+typedef void (*EGLUTreshapeCB)(int, int);
+typedef void (*EGLUTdisplayCB)(void);
+typedef void (*EGLUTkeyboardCB)(unsigned char);
+typedef void (*EGLUTspecialCB)(int);
+
+void eglutInitAPIMask(int mask);
+void eglutInitWindowSize(int width, int height);
+void eglutInit(int argc, char **argv);
+void eglutFini(void);
+
+int eglutGet(int state);
+
+void eglutIdleFunc(EGLUTidleCB func);
+void eglutPostRedisplay(void);
+
+void eglutMainLoop(void);
+
+int eglutCreateWindow(const char *title);
+void eglutDestroyWindow(int win);
+
+int eglutGetWindowWidth(void);
+int eglutGetWindowHeight(void);
+
+void eglutDisplayFunc(EGLUTdisplayCB func);
+void eglutReshapeFunc(EGLUTreshapeCB func);
+void eglutKeyboardFunc(EGLUTkeyboardCB func);
+void eglutSpecialFunc(EGLUTspecialCB func);
+
+#endif /* EGLUT_H */

contrib/sdk/sources/eglut/eglut_screen.c

@@ -0,0 +1,217 @@
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/time.h>
+
+#define EGL_EGLEXT_PROTOTYPES
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+#include "gbm.h"
+#include <kos32sys.h>
+
+#include "eglutint.h"
+
+#define MAX_MODES 100
+
+//static EGLScreenMESA kms_screen;
+//static EGLModeMESA kms_mode;
+//static EGLint kms_width, kms_height;
+
+void
+_eglutNativeInitDisplay(void)
+{
+   struct gbm_device *gbm;
+   int fd;
+
+   fd = get_service("DISPLAY");
+   gbm = gbm_create_device(fd);
+   if( gbm == NULL){
+      _eglutFatal("failed to initialize GBM device");
+      exit(1);
+   };
+
+//   init_pixlib(HW_BIT_BLIT);
+
+   _eglut->native_dpy = gbm;
+   _eglut->surface_type = EGL_WINDOW_BIT;
+}
+
+void
+_eglutNativeFiniDisplay(void)
+{
+//    done_pixlib();
+}
+
+#if 0
+static void
+init_kms(void)
+{
+   EGLModeMESA modes[MAX_MODES];
+   EGLint num_screens, num_modes;
+   EGLint width, height, best_mode;
+   EGLint i;
+
+   if (!eglGetScreensMESA(_eglut->dpy, &kms_screen, 1, &num_screens) ||
+         !num_screens)
+      _eglutFatal("eglGetScreensMESA failed\n");
+
+   if (!eglGetModesMESA(_eglut->dpy, kms_screen,
+            modes, MAX_MODES, &num_modes) || !num_modes)
+      _eglutFatal("eglGetModesMESA failed!\n");
+
+   printf("Found %d modes:\n", num_modes);
+
+   best_mode = 0;
+   width = 0;
+   height = 0;
+   for (i = 0; i < num_modes; i++) {
+      EGLint w, h;
+      eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_WIDTH, &w);
+      eglGetModeAttribMESA(_eglut->dpy, modes[i], EGL_HEIGHT, &h);
+      printf("%3d: %d x %d\n", i, w, h);
+      if (w > width && h > height) {
+         width = w;
+         height = h;
+         best_mode = i;
+      }
+   }
+
+   printf("Will use screen size: %d x %d\n", width, height);
+
+   kms_mode = modes[best_mode];
+   kms_width = width;
+   kms_height = height;
+}
+#endif
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+                       int x, int y, int w, int h)
+{
+    struct gbm_device   *gbm = _eglut->native_dpy;
+    struct gbm_surface  *gs;
+
+    gs = gbm_surface_create(gbm, w, h, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING);
+
+    win->native.u.surface = gs;
+
+    win->native.width = w;
+    win->native.height = h;
+
+    BeginDraw();
+    DrawWindow(x, y, w+TYPE_3_BORDER_WIDTH*2,
+               h+TYPE_3_BORDER_WIDTH+get_skin_height(), title, 0x000000, 0x74);
+
+    EndDraw();
+
+//    sna_create_mask();
+}
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win)
+{
+//   eglShowScreenSurfaceMESA(_eglut->dpy,
+//         kms_screen, EGL_NO_SURFACE, 0);
+//   eglDestroySurface(_eglut->dpy, win->native.u.surface);
+}
+
+void
+_eglutNativeEventLoop(void)
+{
+    struct eglut_window *win = _eglut->current;
+    int start = _eglutNow();
+    int frames = 0;
+    int run = 1;
+    _eglut->redisplay = 1;
+
+    while (run)
+    {
+        int now = _eglutNow();
+        oskey_t   key;
+        int ev;
+
+        ev = check_os_event();
+//        ev = get_os_event();
+        switch(ev)
+        {
+            case 1:
+                BeginDraw();
+                DrawWindow(10,10,10,10,NULL,0,0x74);
+                EndDraw();
+                break;
+
+            case 2:
+                key = get_key();
+                if (key.code == 27)
+                {
+                    run = 0;
+                    continue;
+                }
+                if(win->keyboard_cb)
+                    win->keyboard_cb(key.code);
+                break;
+
+            case 3:
+                if(get_os_button()==1)
+                {
+                    run = 0;
+                    continue;
+                }
+                break;
+        };
+
+        if (now - start >= 5000)
+        {
+            double elapsed = (double) (now - start) / 1000.0;
+
+            printf("%d frames in %3.1f seconds = %6.3f FPS\n",
+                    frames, elapsed, frames / elapsed);
+            fflush(stdout);
+
+            start = now;
+            frames = 0;
+        }
+
+        if (_eglut->idle_cb)
+            _eglut->idle_cb();
+
+        if (_eglut->redisplay)
+        {
+            _eglut->redisplay = 0;
+
+            if (win->display_cb)
+                win->display_cb();
+
+            render_swap_and_blit(_eglut->render);
+            frames++;
+        }
+   }
+ //  glFinish();
+   eglutDestroyWindow(_eglut->current->index);
+   eglutFini();
+}

contrib/sdk/sources/eglut/eglutint.h

@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Chia-I Wu <olv@lunarg.com>
+ */
+
+#ifndef _EGLUTINT_H_
+#define _EGLUTINT_H_
+
+#include "EGL/egl.h"
+#include "render.h"
+#include "eglut.h"
+
+
+struct eglut_window {
+   EGLConfig config;
+   EGLContext context;
+
+   /* initialized by native display */
+   struct {
+      union {
+         EGLNativeWindowType window;
+         EGLNativePixmapType pixmap;
+         EGLSurface surface; /* pbuffer or screen surface */
+      } u;
+      int width, height;
+   } native;
+
+   EGLSurface surface;
+
+   int index;
+
+   EGLUTreshapeCB reshape_cb;
+   EGLUTdisplayCB display_cb;
+   EGLUTkeyboardCB keyboard_cb;
+   EGLUTspecialCB special_cb;
+};
+
+struct eglut_state {
+   int api_mask;
+   int window_width, window_height;
+   const char *display_name;
+   int verbose;
+   int init_time;
+
+   EGLUTidleCB idle_cb;
+
+   int num_windows;
+
+   /* initialized by native display */
+   EGLNativeDisplayType native_dpy;
+   EGLint surface_type;
+
+   EGLDisplay dpy;
+   EGLint major, minor;
+
+   struct eglut_window *current;
+   struct render *render;
+   int redisplay;
+};
+
+extern struct eglut_state *_eglut;
+
+void
+_eglutFatal(char *format, ...);
+
+int
+_eglutNow(void);
+
+void
+_eglutNativeInitDisplay(void);
+
+void
+_eglutNativeFiniDisplay(void);
+
+void
+_eglutNativeInitWindow(struct eglut_window *win, const char *title,
+                       int x, int y, int w, int h);
+
+void
+_eglutNativeFiniWindow(struct eglut_window *win);
+
+void
+_eglutNativeEventLoop(void);
+
+#endif /* _EGLUTINT_H_ */