2001/0527/pc/screen.h (diff list | history)

pc/screen.h on 1999/0119
1999/0119		typedef struct Cursor Cursor;
1997/1101		typedef struct Cursorinfo Cursorinfo; struct Cursorinfo {
1994/0414		Cursor; Lock; };
1997/1101		/* devmouse.c */
2001/0527		extern void mousetrack(int, int, int, int);
1997/1101		extern Point mousexy(void);
1997/0327
1999/0225		extern void mouseaccelerate(int);
1999/0320		extern int m3mouseputc(Queue*, int); extern int mouseputc(Queue*, int);
1997/1101		extern Cursorinfo cursor;
1998/0209		extern Cursor arrow;
1997/0327		/*
1997/1101		* Generic VGA registers.
1997/0327		*/
1997/1101		enum { MiscW = 0x03C2, /* Miscellaneous Output (W) */ MiscR = 0x03CC, /* Miscellaneous Output (R) */ Status0 = 0x03C2, /* Input status 0 (R) */ Status1 = 0x03DA, /* Input Status 1 (R) */ FeatureR = 0x03CA, /* Feature Control (R) */ FeatureW = 0x03DA, /* Feature Control (W) */ Seqx = 0x03C4, /* Sequencer Index, Data at Seqx+1 */ Crtx = 0x03D4, /* CRT Controller Index, Data at Crtx+1 */ Grx = 0x03CE, /* Graphics Controller Index, Data at Grx+1 */ Attrx = 0x03C0, /* Attribute Controller Index and Data */ PaddrW = 0x03C8, /* Palette Address Register, write */ Pdata = 0x03C9, /* Palette Data Register */ Pixmask = 0x03C6, /* Pixel Mask Register */ PaddrR = 0x03C7, /* Palette Address Register, read */ Pstatus = 0x03C7, /* DAC Status (RO) */ Pcolours = 256, /* Palette */ Pred = 0, Pgreen = 1, Pblue = 2, Pblack = 0x00, Pwhite = 0xFF,
1997/0327		};
1997/1101		#define vgai(port) inb(port) #define vgao(port, data) outb(port, data)
1997/0327
1997/1101		extern int vgaxi(long, uchar); extern int vgaxo(long, uchar, uchar); /* */ typedef struct VGAdev VGAdev; typedef struct VGAcur VGAcur; typedef struct VGAscr VGAscr; struct VGAdev { char* name; void (*enable)(VGAscr*); void (*disable)(VGAscr*); void (*page)(VGAscr*, int); ulong (*linear)(VGAscr*, int*, int*);
1999/1005		void (*drawinit)(VGAscr*); int (*fill)(VGAscr*, Rectangle, ulong);
1997/1101		}; struct VGAcur { char* name; void (*enable)(VGAscr*); void (*disable)(VGAscr*); void (*load)(VGAscr*, Cursor*); int (*move)(VGAscr*, Point);
1999/1005		int doespanning;
1997/1101		}; /* */ struct VGAscr { Lock devlock; VGAdev* dev; VGAcur* cur; ulong storage; Cursor; int useflush; ulong aperture; /* physical address */ int isupamem; int apsize;
1998/0507		ulong io; /* device specific registers */
1997/1101		ulong colormap[Pcolours][3];
1999/1005		int palettedepth;
1997/1101
1999/1005		ulong *mmio;
1997/1101		Memimage* gscreen; Memdata* gscreendata; Memsubfont* memdefont;
1999/1005		int (*fill)(VGAscr*, Rectangle, ulong); int (*scroll)(VGAscr*, Rectangle, Rectangle);
2000/0326		void (*blank)(VGAscr*, int);
1999/1005		ulong id; /* internal identifier for driver use */
1997/1101		};
1999/1005
1997/1101		extern VGAscr vgascreen[]; enum {
1999/1005		Backgnd = 0, /* black */
1997/1101		};
1998/0319		/* mouse.c */
1998/0417		extern void mousectl(char*[], int);
1998/0319		/* screen.c */
1999/1006		extern int hwaccel; /* use hw acceleration; default on */
2000/0326		extern int hwblank; /* use hw blanking; default on */
2001/0527		extern uchar* attachscreen(Rectangle*, ulong*, int*, int*, int*);
1998/0319		extern void flushmemscreen(Rectangle); extern int cursoron(int); extern void cursoroff(int); extern void setcursor(Cursor*);
1999/1005		extern int screensize(int, int, int, ulong);
1998/0319		extern int screenaperture(int, int);
1999/1005		extern Rectangle physgscreenr; /* actual monitor size */
2000/0326		extern void blankscreen(int);
1999/1009		/* devdraw.c */
1999/1005		extern void deletescreenimage(void);
1999/1009		extern int drawhasclients(void);
2000/0522		extern ulong blanktime;
1998/0319		/* vga.c */ extern void vgascreenwin(VGAscr*);
1999/1005		extern void vgaimageinit(ulong); extern ulong vgapcilinear(VGAscr*, int*, int*, int, int); extern void drawblankscreen(int);
2000/0330		extern void vgablank(VGAscr*, int);