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/*
* Mesa 3-D graphics library
* Version: 6.5
* Copyright (C) 1995-2006 Brian Paul
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Library for glut using mesa fbdev driver
*
* Written by Sean D'Epagnier (c) 2006
*/
#include <sys/time.h>
#include <linux/fb.h>
#define MULTIHEAD /* enable multihead hacks,
it allows the program to continue drawing
without reading input when a second fbdev
has keyboard focus it can cause
screen corruption that requires C-l to fix */
#define HAVE_GPM
/* this causes these symbols to not be exported */
#pragma GCC visibility push(hidden)
extern int Redisplay;
extern int Visible;
extern int VisibleSwitch;
extern int Active;
extern int VisiblePoll;
void TestVisible(void);
extern int FrameBufferFD;
extern unsigned char *FrameBuffer;
extern unsigned char *BackBuffer;
extern int DisplayMode;
extern char exiterror[256];
extern struct fb_fix_screeninfo FixedInfo;
extern struct fb_var_screeninfo VarInfo, OrigVarInfo;
/* --- colormap --- */
#define REVERSECMAPSIZELOG 3
#define REVERSECMAPSIZE (1<<REVERSECMAPSIZELOG)
extern unsigned short RedColorMap[256],
GreenColorMap[256],
BlueColorMap[256];
extern unsigned char ReverseColorMap[REVERSECMAPSIZE]
[REVERSECMAPSIZE]
[REVERSECMAPSIZE];
void LoadColorMap(void);
void UnloadColorMap(void);
void RestoreColorMap(void);
/* --- mouse --- */
extern int MouseX, MouseY;
extern int CurrentCursor;
extern int MouseEnabled;
extern int NumMouseButtons;
void InitializeCursor(void);
void EraseCursor(void);
void DrawCursor(void);
void SwapCursor(void);
/* --- menus --- */
struct GlutMenu {
int NumItems;
int x, y;
int width;
int selected;
struct {
int value;
int submenu;
char *name;
} *Items;
void (*func)(int);
};
extern struct GlutMenu *Menus;
extern int ActiveMenu;
extern int CurrentMenu;
void InitializeMenus(void);
void FreeMenus(void);
void DrawMenus(void);
int TryMenu(int, int);
void OpenMenu(void);
void CloseMenu(void);
/* --- state --- */
extern int AccumSize, DepthSize, StencilSize;
extern struct timeval StartTime;
extern int KeyboardModifiers;
/* --- input --- */
#ifdef HAVE_GPM
extern int GpmMouse;
#endif
extern int CurrentVT;
extern int ConsoleFD;
extern double MouseSpeed;
extern int KeyRepeatMode;
void InitializeVT(int);
void RestoreVT(void);
void CloseMouse(void);
void InitializeMouse(void);
void ReceiveInput(void);
/* --- callback --- */
extern void (*DisplayFunc)(void);
extern void (*ReshapeFunc)(int width, int height);
extern void (*KeyboardFunc)(unsigned char key, int x, int y);
extern void (*KeyboardUpFunc)(unsigned char key, int x, int y);
extern void (*MouseFunc)(int key, int state, int x, int y);
extern void (*MotionFunc)(int x, int y);
extern void (*PassiveMotionFunc)(int x, int y);
extern void (*VisibilityFunc)(int state);
extern void (*SpecialFunc)(int key, int x, int y);
extern void (*SpecialUpFunc)(int key, int x, int y);
extern void (*IdleFunc)(void);
extern void (*MenuStatusFunc)(int state, int x, int y);
extern void (*MenuStateFunc)(int state);
/* --- timers --- */
struct GlutTimer {
int time;
void (*func)(int);
int value;
struct GlutTimer *next;
};
extern struct GlutTimer *GlutTimers;
#pragma GCC visibility pop
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