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/*
* Copyright (C) 2006 Claudio Ciccani <klan@users.sf.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __GLUT_INTERNAL_H__
#define __GLUT_INTERNAL_H__
#include <stdio.h>
#include <stdlib.h>
#include <directfb.h>
#include <directfb_version.h>
#include <directfbgl.h>
#include "GL/glut.h"
#define VERSION_CODE( M, m, r ) (((M) << 16) | ((m) << 8) | ((r)))
#define DIRECTFB_VERSION_CODE VERSION_CODE( DIRECTFB_MAJOR_VERSION, \
DIRECTFB_MINOR_VERSION, \
DIRECTFB_MICRO_VERSION )
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
/*
* Window request flags
*/
#define WINDOW_REQUEST_POSITION 0x00000001
#define WINDOW_REQUEST_RESIZE 0x00000002
#define WINDOW_REQUEST_RESTACK 0x00000004
#define WINDOW_REQUEST_SHOW 0x00000008
#define WINDOW_REQUEST_HIDE 0x00000010
#define WINDOW_REQUEST_DESTROY 0x00000020
/*
* GLUT Window implementation
*/
typedef struct __GlutWindow_s {
int id;
DFBWindowID wid;
IDirectFBWindow *window; /* NULL = fullscreen (game mode) */
IDirectFBSurface *surface;
IDirectFBGL *gl;
/* cursor position in fullscreen mode */
int cx;
int cy;
/* joystick position */
int jx;
int jy;
int jz;
/* pressed modifiers */
int modifiers;
/* pressed buttons */
int buttons;
/* current cursor shape */
int cursor;
struct {
int flags;
int x;
int y;
int w;
int h;
int z;
} req;
GLboolean visible;
GLboolean redisplay;
GLboolean reshape;
GLboolean visibility;
struct __GlutWindow_s *next;
struct __GlutWindow_s *prev;
} __GlutWindow;
/* Global Vars */
extern IDirectFB *dfb;
extern IDirectFBDisplayLayer *primary;
extern IDirectFBEventBuffer *events;
extern IDirectFBInputDevice *keyboard;
extern IDirectFBInputDevice *mouse;
extern IDirectFBInputDevice *joystick;
extern GLenum g_display_mode;
extern GLuint g_width;
extern GLuint g_height;
extern GLint g_xpos;
extern GLint g_ypos;
extern GLint g_bpp;
extern GLboolean g_idle;
extern __GlutWindow *g_current;
extern __GlutWindow *g_game;
/* Global Funcs */
/* window.c */
extern __GlutWindow* __glutCreateWindow( GLboolean fullscreen );
extern __GlutWindow* __glutFindWindow( DFBWindowID id );
extern void __glutSetWindow( __GlutWindow *window );
extern void __glutHandleWindows( void );
extern void __glutDestroyWindow( __GlutWindow *window );
extern void __glutDestroyWindows( void );
/* callback.c */
extern void __glutHandleTimers( void );
extern void __glutFreeTimers( void );
/* Global Callbacks */
extern void (GLUTCALLBACK *display_func) (void);
extern void (GLUTCALLBACK *reshape_func) (int width, int height);
extern void (GLUTCALLBACK *keyboard_func) (unsigned char key, int x, int y);
extern void (GLUTCALLBACK *mouse_func) (int button, int state, int x, int y);
extern void (GLUTCALLBACK *motion_func) (int x, int y);
extern void (GLUTCALLBACK *passive_motion_func) (int x, int y);
extern void (GLUTCALLBACK *entry_func) (int state);
extern void (GLUTCALLBACK *visibility_func) (int state);
extern void (GLUTCALLBACK *idle_func) (void);
extern void (GLUTCALLBACK *menu_state_func) (int state);
extern void (GLUTCALLBACK *special_func) (int key, int x, int y);
extern void (GLUTCALLBACK *spaceball_motion_func) (int x, int y, int z);
extern void (GLUTCALLBACK *spaceball_rotate_func) (int x, int y, int z);
extern void (GLUTCALLBACK *spaceball_button_func) (int button, int state);
extern void (GLUTCALLBACK *button_box_func) (int button, int state);
extern void (GLUTCALLBACK *dials_func) (int dial, int value);
extern void (GLUTCALLBACK *tablet_motion_func) (int x, int y);
extern void (GLUTCALLBACK *tabled_button_func) (int button, int state, int x, int y);
extern void (GLUTCALLBACK *menu_status_func) (int status, int x, int y);
extern void (GLUTCALLBACK *overlay_display_func) (void);
extern void (GLUTCALLBACK *window_status_func) (int state);
extern void (GLUTCALLBACK *keyboard_up_func) (unsigned char key, int x, int y);
extern void (GLUTCALLBACK *special_up_func) (int key, int x, int y);
extern void (GLUTCALLBACK *joystick_func) (unsigned int buttons, int x, int y, int z);
#ifdef DEBUG
# define __glutAssert( exp ) {\
if (!(exp)) {\
fprintf( stderr, "(!!) *** Assertion [%s] failed in %s() ***\n",\
#exp, __FUNCTION__ );
fflush( stderr );\
exit( -1 );\
}\
}
#else
# define __glutAssert( exp )
#endif
#define __glutWarning( format, ... ) {\
fprintf( stderr, "(!) GLUT: " format "!\n", ## __VA_ARGS__ );\
fflush( stderr );\
}
#define __glutFatalError( format, ... ) {\
fprintf( stderr, "(!) GLUT: " format "!\n", ## __VA_ARGS__ );\
fprintf( stderr, "\t-> from %s() at line %d\n", __FUNCTION__, __LINE__ );\
fflush( stderr );\
exit( -1 );\
}
#endif /* __GLUT_INTERNAL_H__ */
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