ref: 8be7f27b758ef9ef818f68db0d8bcb7b038eae0e
dir: /sys/src/9/omap/screen.h/
typedef struct Cursor Cursor; typedef struct OScreen OScreen; typedef struct Omap3fb Omap3fb; typedef struct Settings Settings; /* devmouse.c */ extern Cursor cursor; extern void mousetrack(int, int, int, ulong); extern void absmousetrack(int, int, int, ulong); extern Point mousexy(void); extern void mouseaccelerate(int); extern void mouseresize(void); extern void mouseredraw(void); /* screen.c */ extern Memdata* attachscreen(Rectangle*, ulong*, int*, int*, int*); extern void flushmemscreen(Rectangle); extern void cursoron(void); extern void cursoroff(void); extern void setcursor(Cursor*); extern int screensize(int, int, int, ulong); extern int screenaperture(int, int); extern Rectangle physgscreenr; /* actual monitor size */ extern void blankscreen(int); /* devdraw.c */ extern void deletescreenimage(void); extern void resetscreenimage(void); extern void setscreenimageclipr(Rectangle); extern void drawflush(void); extern QLock drawlock; #define ishwimage(i) 0 /* for ../port/devdraw.c */ /* swcursor.c */ void swcursorhide(int); void swcursoravoid(Rectangle); void swcursordraw(Point); void swcursorload(Cursor *); void swcursorinit(void); /* for communication between devdss.c and screen.c */ enum { /* maxima */ Wid = 1280, Ht = 1024, Depth = 16, /* bits per pixel */ Pcolours = 256, /* Palette */ Pred = 0, Pgreen = 1, Pblue = 2, Pblack = 0x00, Pwhite = 0xFF, /* settings indices */ Res800x600 = 0, Res1024x768, Res1280x1024, Res1400x1050, }; struct Settings { uint wid; /* width in pixels */ uint ht; /* height in pixels */ uint freq; /* refresh frequency; only printed */ uint chan; /* draw chan */ /* shouldn't be needed? */ uint pixelclock; /* horizontal timing */ uint hbp; /* back porch: pixel clocks before scan line */ uint hfp; /* front porch: pixel clocks after scan line */ uint hsw; /* sync pulse width: more hfp */ /* vertical timing */ uint vbp; /* back porch: line clocks before frame */ uint vfp; /* front porch: line clocks after frame */ uint vsw; /* sync pulse width: more vfp */ }; struct OScreen { Cursor; Settings *settings; int open; }; struct Omap3fb { /* frame buffer for 24-bit active color */ // short palette[256]; /* pixel data, even; base type's width must match Depth */ ushort pixel[Wid*Ht]; };