2000/0401/alphapc/screen.h (diff list | history)

alphapc/screen.h on 1999/0415
1999/0415		typedef struct Cursor Cursor; typedef struct Cursorinfo Cursorinfo; struct Cursorinfo { Cursor; Lock; }; /* devmouse.c */ extern void mousetrack(int, int, int); extern Point mousexy(void); extern void mouseaccelerate(int); extern int m3mouseputc(Queue*, int); extern int mouseputc(Queue*, int); extern Cursorinfo cursor; extern Cursor arrow; /* * Generic VGA registers. */ 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, }; #define vgai(port) inb(port) #define vgao(port, data) outb(port, data) 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*);
2000/0401		void (*drawinit)(VGAscr*); int (*fill)(VGAscr*, Rectangle, ulong);
1999/0415		}; struct VGAcur { char* name; void (*enable)(VGAscr*); void (*disable)(VGAscr*); void (*load)(VGAscr*, Cursor*); int (*move)(VGAscr*, Point);
2000/0401		int doespanning;
1999/0415		}; /* */ struct VGAscr { Lock devlock; VGAdev* dev; VGAcur* cur; ulong storage; Cursor; int useflush;
1999/0512		ulong aperture; /* physical address, kernel */ ulong pciaddr; /* physical address, user */
1999/0415		int isupamem; int apsize; ulong io; /* device specific registers */ ulong colormap[Pcolours][3];
2000/0401		int palettedepth;
1999/0415		Memimage* gscreen; Memdata* gscreendata; Memsubfont* memdefont;
2000/0401		int (*fill)(VGAscr*, Rectangle, ulong); int (*scroll)(VGAscr*, Rectangle, Rectangle); ulong id; /* internal identifier for driver use */
1999/0415		}; extern VGAscr vgascreen[]; enum {
2000/0401		Backgnd = 0, /* black */
1999/0415		}; /* mouse.c */ extern void mousectl(char*[], int); /* screen.c */
2000/0401		extern int hwaccel; /* use hw acceleration; default on */
1999/0415		extern void flushmemscreen(Rectangle); extern int cursoron(int); extern void cursoroff(int); extern void setcursor(Cursor*);
2000/0401		extern int screensize(int, int, int, ulong);
1999/0415		extern int screenaperture(int, int);
2000/0401		extern Rectangle physgscreenr; /* actual monitor size */
1999/0415
2000/0401		/* devdraw.c */ extern void deletescreenimage(void); extern int drawhasclients(void);
1999/0415		/* vga.c */ extern void vgascreenwin(VGAscr*);
2000/0401		extern void vgaimageinit(ulong); extern void drawblankscreen(int);