On 17/09/08 16:22 +0200, Stefan Reinauer wrote:
> See patch.
> 
> -- 
> coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br.
>       Tel.: +49 761 7668825 • Fax: +49 761 7664613
> Email: [EMAIL PROTECTED]  • http://www.coresystems.de/
> Registergericht: Amtsgericht Freiburg • HRB 7656
> Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866
> 

> This patch adds damage detection to libpayload's tinycurses. This 
> significantly
> speeds up serial output with large windows.
> 
> It also adds the function curs_set to enable/disable the cursor (video console
> only for now)
> 
> Also, use werase in one place to reduce code duplication.
> 
> Signed-off-by: Stefan Reinauer <[EMAIL PROTECTED]>

Acked by: Jordan Crouse <[EMAIL PROTECTED]>

> diff -urN filo-mainstream/libpayload/curses/tinycurses.c 
> filo-coresystems/libpayload/curses/tinycurses.c
> --- filo-mainstream/libpayload/curses/tinycurses.c    2008-09-12 
> 23:50:57.000000000 +0200
> +++ filo-coresystems/libpayload/curses/tinycurses.c   2008-09-16 
> 01:20:24.000000000 +0200
> @@ -3,6 +3,7 @@
>   *
>   * Copyright (C) 2007 Uwe Hermann <[EMAIL PROTECTED]>
>   * Copyright (C) 2008 Ulf Jordan <[EMAIL PROTECTED]>
> + * Copyright (C) 2008 coresystems GmbH
>   *
>   * Redistribution and use in source and binary forms, with or without
>   * modification, are permitted provided that the following conditions
> @@ -193,7 +194,18 @@
>  int cbreak(void) { /* TODO */ return 0; }
>  /* D */ int clearok(WINDOW *win, bool flag) { win->_clear = flag; return OK; 
> }
>  // int color_content(short color, short *r, short *g, short *b) {}
> -// int curs_set(int) {}
> +int curs_set(int on)
> +{
> +     if (curses_flags & F_ENABLE_SERIAL) {
> +             // TODO
> +     }
> +
> +     if (curses_flags & F_ENABLE_CONSOLE) {
> +             video_console_cursor_enable(on);
> +     }
> +
> +     return OK;
> +}
>  // int def_prog_mode(void) {}
>  // int def_shell_mode(void) {}
>  // int delay_output(int) {}
> @@ -252,7 +264,7 @@
>  
>       return win;
>  }
> -int doupdate(void) { /* TODO */ return(*(int *)0); }
> +int doupdate(void) { /* TODO */ return(0); }
>  // WINDOW * dupwin (WINDOW *) {}
>  /* D */ int echo(void) { SP->_echo = TRUE; return OK; }
>  int endwin(void)
> @@ -281,7 +293,7 @@
>  /** Note: Must _not_ be called twice! */
>  WINDOW *initscr(void)
>  {
> -     int x, y, i;
> +     int i;
>  
>       // newterm(name, stdout, stdin);
>       // def_prog_mode();
> @@ -305,12 +317,7 @@
>       stdscr = newwin(SCREEN_Y, SCREEN_X + 1, 0, 0);
>       // TODO: curscr, newscr?
>  
> -     for (y = 0; y <= stdscr->_maxy; y++) {
> -             for (x = 0; x <= stdscr->_maxx; x++) {
> -                     stdscr->_line[y].text[x].chars[0] = ' ';
> -                     stdscr->_line[y].text[x].attr = A_NORMAL;
> -             }
> -     }
> +     werase(stdscr);
>  
>       return stdscr;
>  }
> @@ -473,19 +480,27 @@
>       return waddstr(win, (char *)&sprintf_tmp);
>  }
>  // int vwscanw (WINDOW *, NCURSES_CONST char *,va_list) {}
> -// int waddch (WINDOW *, const chtype) {}
>  int waddch(WINDOW *win, const chtype ch)
>  {
>       int code = ERR;
>       // NCURSES_CH_T wch;
>       // SetChar2(wch, ch);
>  
> +     if (win->_line[win->_cury].firstchar == _NOCHANGE || 
> +                     win->_line[win->_cury].firstchar > win->_curx)
> +             win->_line[win->_cury].firstchar = win->_curx;
> +
>       win->_line[win->_cury].text[win->_curx].chars[0] =
>               ((ch) & (chtype)A_CHARTEXT);
>  
>       win->_line[win->_cury].text[win->_curx].attr = WINDOW_ATTRS(win);
>       win->_line[win->_cury].text[win->_curx].attr |=
>               ((ch) & (chtype)A_ATTRIBUTES);
> +
> +     if (win->_line[win->_cury].lastchar == _NOCHANGE || 
> +                     win->_line[win->_cury].lastchar < win->_curx)
> +             win->_line[win->_cury].lastchar = win->_curx;
> +
>       win->_curx++;   // FIXME
>  
>       // if (win && (waddch_nosync(win, wch) != ERR)) {
> @@ -507,6 +522,10 @@
>       if (n < 0)
>               n = strlen(astr);
>  
> +     if (win->_line[win->_cury].firstchar == _NOCHANGE || 
> +                     win->_line[win->_cury].firstchar > win->_curx)
> +             win->_line[win->_cury].firstchar = win->_curx;
> +
>       while ((n-- > 0) && (*str != '\0')) {
>       // while (*str != '\0') {
>               win->_line[win->_cury].text[win->_curx].chars[0] = *str++;
> @@ -521,6 +540,11 @@
>               //      break;
>               // }
>       }
> +
> +     if (win->_line[win->_cury].lastchar == _NOCHANGE || 
> +                     win->_line[win->_cury].lastchar < win->_curx)
> +             win->_line[win->_cury].lastchar = win->_curx;
> +
>       return code;
>  }
>  int wattr_on(WINDOW *win, attr_t at, void *opts GCC_UNUSED)
> @@ -603,6 +627,9 @@
>                       win->_line[y].text[x].chars[0] = ' ';
>                       win->_line[y].text[x].attr = WINDOW_ATTRS(win);
>               }
> +             // Should we check instead?
> +             win->_line[y].firstchar = 0;
> +             win->_line[y].lastchar = win->_maxx;
>       }
>       return OK;
>  }
> @@ -681,12 +708,16 @@
>  
>       for (y = 0; y <= win->_maxy; y++) {
>  
> +             if (win->_line[y].firstchar == _NOCHANGE)
> +                     continue;
> +
>               /* Position the serial cursor */
>  
>               if (curses_flags & F_ENABLE_SERIAL)
> -                     serial_set_cursor(win->_begy + y, win->_begx);
> +                     serial_set_cursor(win->_begy + y, win->_begx +
> +                                     win->_line[y].firstchar);
>  
> -             for (x = 0; x <= win->_maxx; x++) {
> +             for (x = win->_line[y].firstchar; x <= win->_line[y].lastchar; 
> x++) {
>                       attr_t attr = win->_line[y].text[x].attr;
>  
>                       unsigned int c =
> @@ -734,6 +765,7 @@
>                               }
>  
>                               serial_putchar(ch);
> +
>                       }
>  
>                       c = SWAP_RED_BLUE(c);
> @@ -768,8 +800,16 @@
>                               video_console_putc(win->_begy + y, win->_begx + 
> x, c);
>                       }
>               }
> +             win->_line[y].firstchar = _NOCHANGE;
> +             win->_line[y].lastchar = _NOCHANGE;
>       }
>  
> +     if (curses_flags & F_ENABLE_SERIAL)
> +             serial_set_cursor(win->_begy + win->_cury, win->_begx + 
> win->_curx);
> +
> +     if (curses_flags & F_ENABLE_CONSOLE)
> +             video_console_set_cursor(win->_begx + win->_curx, win->_begy + 
> win->_cury);
> +
>       return OK;
>  }
>  int wprintw(WINDOW *win, const char *fmt, ...)
> @@ -813,29 +853,49 @@
>  // int wscanw (WINDOW *, NCURSES_CONST char *,...) {}
>  int wscrl(WINDOW *win, int n)
>  {
> +     int x, y;
> +
>       if (!win->_scroll)
>               return ERR;
>  
> -     if (n != 0) {
> -             int x, y;
> +     if (n == 0)
> +             return OK;
> +
> +     for (y = 0; y <= (win->_maxy - n); y++) {
> +             win->_line[y].firstchar = win->_line[y + n].firstchar;
> +             win->_line[y].lastchar = win->_line[y + n].lastchar;
> +             for (x = 0; x <= win->_maxx; x++) {
> +                     if ((win->_line[y].text[x].chars[0] != win->_line[y + 
> n].text[x].chars[0]) || 
> +                                     (win->_line[y].text[x].attr != 
> win->_line[y + n].text[x].attr)) {
> +                             if (win->_line[y].firstchar == _NOCHANGE)
> +                                     win->_line[y].firstchar = x;
> +
> +                             win->_line[y].lastchar = x;
>  
> -             for (y = 0; y <= (win->_maxy - n); y++) {
> -                     for (x = 0; x <= win->_maxx; x++) {
>                               win->_line[y].text[x].chars[0] = win->_line[y + 
> n].text[x].chars[0];
>                               win->_line[y].text[x].attr = win->_line[y + 
> n].text[x].attr;
>                       }
>               }
> +     }
> +
> +     for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
> +             for (x = 0; x <= win->_maxx; x++) {
> +                     if ((win->_line[y].text[x].chars[0] != ' ') || 
> +                                     (win->_line[y].text[x].attr != 
> A_NORMAL)) {
> +                             if (win->_line[y].firstchar == _NOCHANGE)
> +                                     win->_line[y].firstchar = x;
> +
> +                             win->_line[y].lastchar = x;
>  
> -             for (y = (win->_maxy+1 - n); y <= win->_maxy; y++) {
> -                     for (x = 0; x <= win->_maxx; x++) {
>                               win->_line[y].text[x].chars[0] = ' ';
>                               win->_line[y].text[x].attr = A_NORMAL;
>                       }
>               }
> -
> -             // _nc_scroll_window(win, n, win->_regtop, win->_regbottom, 
> win->_nc_bkgd);
> -             // _nc_synchook(win);
>       }
> +
> +     // _nc_scroll_window(win, n, win->_regtop, win->_regbottom, 
> win->_nc_bkgd);
> +     // _nc_synchook(win);
> +
>       return OK;
>  }
>  int wsetscrreg(WINDOW *win, int top, int bottom)

> --
> coreboot mailing list: [email protected]
> http://www.coreboot.org/mailman/listinfo/coreboot


-- 
Jordan Crouse
Systems Software Development Engineer 
Advanced Micro Devices, Inc.


--
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