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[src/trunk]: src/sys/dev/ic Handle WSSCREEN_REVERSE properly. Based on OpenB...



details:   https://anonhg.NetBSD.org/src/rev/b88c0e13bdf0
branches:  trunk
changeset: 958126:b88c0e13bdf0
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Fri Dec 25 20:41:24 2020 +0000

description:
Handle WSSCREEN_REVERSE properly.  Based on OpenBSD's sti(4).

Also remove WSSCREEN_UNDERLINE from capabilities that is not handled
by sti(4) ROM routines.

Tested on HP9000/425t with CRX.

diffstat:

 sys/dev/ic/sti.c |  44 ++++++++++++++++++++++++++++++++++----------
 1 files changed, 34 insertions(+), 10 deletions(-)

diffs (101 lines):

diff -r d2903518d490 -r b88c0e13bdf0 sys/dev/ic/sti.c
--- a/sys/dev/ic/sti.c  Fri Dec 25 13:42:02 2020 +0000
+++ b/sys/dev/ic/sti.c  Fri Dec 25 20:41:24 2020 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: sti.c,v 1.23 2020/12/23 08:34:35 tsutsui Exp $ */
+/*     $NetBSD: sti.c,v 1.24 2020/12/25 20:41:24 tsutsui Exp $ */
 
 /*     $OpenBSD: sti.c,v 1.61 2009/09/05 14:09:35 miod Exp $   */
 
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sti.c,v 1.23 2020/12/23 08:34:35 tsutsui Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sti.c,v 1.24 2020/12/25 20:41:24 tsutsui Exp $");
 
 #include "wsdisplay.h"
 
@@ -79,6 +79,18 @@
 void sti_eraserows(void *, int, int, long);
 int  sti_alloc_attr(void *, int, int, int, long *);
 
+/* pseudo attribute ops for sti ROM putchar function */
+#define WSATTR_FG_SHIFT        24
+#define WSATTR_BG_SHIFT        16
+#define WSATTR_UNPACK_FG(attr) (((attr) >> WSATTR_FG_SHIFT) & 0xff)
+#define WSATTR_UNPACK_BG(attr) (((attr) >> WSATTR_BG_SHIFT) & 0xff)
+#define WSATTR_UNPACK_FLAG(attr) ((attr) & WSATTR_USERMASK)
+#define WSATTR_PACK_FG(fg)     ((fg) << WSATTR_FG_SHIFT)
+#define WSATTR_PACK_BG(bg)     ((bg) << WSATTR_BG_SHIFT)
+#define WSATTR_PACK_FLAG(flag) ((flag))
+#define WSATTR_PACK(fg, bg, flag)      \
+    (WSATTR_PACK_FG(fg) | WSATTR_PACK_BG(bg) | WSATTR_PACK_FLAG(flag))
+
 struct wsdisplay_emulops sti_emulops = {
        .cursor = sti_cursor,
        .mapchar = sti_mapchar,
@@ -618,7 +630,7 @@
        scr->scr_wsd.textops = &sti_emulops;
        scr->scr_wsd.fontwidth = scr->scr_curfont.width;
        scr->scr_wsd.fontheight = scr->scr_curfont.height;
-       scr->scr_wsd.capabilities = WSSCREEN_REVERSE | WSSCREEN_UNDERLINE;
+       scr->scr_wsd.capabilities = WSSCREEN_REVERSE;
 
        scr->scr_scrlist[0] = &scr->scr_wsd;
        scr->scr_screenlist.nscreens = 1;
@@ -1293,6 +1305,10 @@
        struct sti_screen *scr = (struct sti_screen *)v;
        struct sti_rom *rom = scr->scr_rom;
        struct sti_font *fp = &scr->scr_curfont;
+       int bg, fg;
+
+       fg = WSATTR_UNPACK_FG(attr);
+       bg = WSATTR_UNPACK_BG(attr);
 
        if (scr->scr_romfont != NULL) {
                /*
@@ -1307,9 +1323,8 @@
                memset(&a, 0, sizeof(a));
 
                a.flags.flags = STI_UNPMVF_WAIT;
-               /* XXX does not handle text attributes */
-               a.in.fg_colour = STI_COLOUR_WHITE;
-               a.in.bg_colour = STI_COLOUR_BLACK;
+               a.in.fg_colour = fg;
+               a.in.bg_colour = bg;
                a.in.x = col * fp->width;
                a.in.y = row * fp->height;
                a.in.font_addr = scr->scr_romfont;
@@ -1329,9 +1344,8 @@
                memset(&a, 0, sizeof(a));
 
                a.flags.flags = STI_BLKMVF_WAIT;
-               /* XXX does not handle text attributes */
-               a.in.fg_colour = STI_COLOUR_WHITE;
-               a.in.bg_colour = STI_COLOUR_BLACK;
+               a.in.fg_colour = fg;
+               a.in.bg_colour = bg;
 
                a.in.srcx = ((uc - fp->first) / scr->scr_fontmaxcol) *
                    fp->width + scr->scr_fontbase;
@@ -1397,8 +1411,18 @@
        struct sti_screen *scr = (struct sti_screen *)v;
 #endif
 
-       *pattr = 0;
+       if ((flags & (WSATTR_HILIT | WSATTR_BLINK |
+           WSATTR_UNDERLINE | WSATTR_WSCOLORS)) != 0)
+               return EINVAL;
+       if ((flags & WSATTR_REVERSE) != 0) {
+               fg = STI_COLOUR_BLACK; 
+               bg = STI_COLOUR_WHITE;
+       } else {
+               fg = STI_COLOUR_WHITE;
+               bg = STI_COLOUR_BLACK; 
+       }
 
+       *pattr = WSATTR_PACK(fg, bg, flags);
        return 0;
 }
 



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