Provide our own alloc_attr() routine for sun frame buffer, since the computation

of highlighted color indexes is slightly different due to different black and
white color code (and the fact that the default white is the highlighted white).

1 files changed, 59 insertions, 14 deletions

diff --git a/sys/arch/sparc/dev/fb.c b/sys/arch/sparc/dev/fb.c
index 4d1d520ac03..cbf911e435c 100644
--- a/sys/arch/sparc/dev/fb.c
+++ b/sys/arch/sparc/dev/fb.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: fb.c,v 1.38 2006/06/30 21:38:17 miod Exp $	*/
+/*	$OpenBSD: fb.c,v 1.39 2006/07/01 16:15:58 miod Exp $	*/
 /*	$NetBSD: fb.c,v 1.23 1997/07/07 23:30:22 pk Exp $ */
 
 /*
@@ -111,6 +111,7 @@ static int a2int(char *, int);
 #endif
 static void fb_initwsd(struct sunfb *);
 static void fb_updatecursor(struct rasops_info *);
+int	fb_alloc_cattr(void *, int, int, int, long *);
 int	fb_alloc_screen(void *, const struct wsscreen_descr *, void **,
 	    int *, int *, long *);
 void	fb_free_screen(void *, void *);
@@ -330,14 +331,15 @@ fb_updatecursor(struct rasops_info *ri)
 void
 fbwscons_init(struct sunfb *sf, int flags)
 {
+	struct rasops_info *ri = &sf->sf_ro;
 	int cols, rows;
 
 	/* ri_hw and ri_bits must have already been setup by caller */
-	sf->sf_ro.ri_flg = RI_CENTER | RI_FULLCLEAR | flags;
-	sf->sf_ro.ri_depth = sf->sf_depth;
-	sf->sf_ro.ri_stride = sf->sf_linebytes;
-	sf->sf_ro.ri_width = sf->sf_width;
-	sf->sf_ro.ri_height = sf->sf_height;
+	ri->ri_flg = RI_CENTER | RI_FULLCLEAR | flags;
+	ri->ri_depth = sf->sf_depth;
+	ri->ri_stride = sf->sf_linebytes;
+	ri->ri_width = sf->sf_width;
+	ri->ri_height = sf->sf_height;
 
 #if defined(SUN4C) || defined(SUN4M)
 	if (CPU_ISSUN4COR4M) {
@@ -364,7 +366,9 @@ fbwscons_init(struct sunfb *sf, int flags)
 	}
 #endif
 
-	rasops_init(&sf->sf_ro, rows, cols);
+	rasops_init(ri, rows, cols);
+	if (ri->ri_caps & WSSCREEN_WSCOLORS)
+		ri->ri_ops.alloc_attr = fb_alloc_cattr;
 }
 
 void
@@ -498,20 +502,19 @@ fb_alloc_screen(void *v, const struct wsscreen_descr *type,
     void **cookiep, int *curxp, int *curyp, long *attrp)
 {
 	struct sunfb *sf = v;
+	struct rasops_info *ri = &sf->sf_ro;
 
 	if (sf->sf_nscreens > 0)
 		return (ENOMEM);
 
-	*cookiep = &sf->sf_ro;
+	*cookiep = ri;
 	*curyp = 0;
 	*curxp = 0;
-	if (sf->sf_depth == 8) {
-		sf->sf_ro.ri_ops.alloc_attr(&sf->sf_ro,
+	if (ISSET(ri->ri_caps, WSSCREEN_WSCOLORS))
+		ri->ri_ops.alloc_attr(ri,
 		    WSCOL_BLACK, WSCOL_WHITE, WSATTR_WSCOLORS, attrp);
-	} else {
-		sf->sf_ro.ri_ops.alloc_attr(&sf->sf_ro,
-		    0, 0, 0, attrp);
-	}
+	else
+		ri->ri_ops.alloc_attr(ri, 0, 0, 0, attrp);
 	sf->sf_nscreens++;
 	return (0);
 }
@@ -531,6 +534,48 @@ fb_show_screen(void *v, void *cookie, int waitok, void (*cb)(void *, int, int),
 	return (0);
 }
 
+/*
+ * A variant of rasops_alloc_cattr() which handles the WSCOL_BLACK and
+ * WSCOL_WHITE specific values wrt highlighting.
+ */
+int
+fb_alloc_cattr(void *cookie, int fg, int bg, int flg, long *attrp)
+{
+	int swap;
+
+	if ((flg & WSATTR_BLINK) != 0)
+		return (EINVAL);
+
+	if ((flg & WSATTR_WSCOLORS) == 0) {
+		fg = WSCOL_WHITE;
+		bg = WSCOL_BLACK;
+	}
+
+	if ((flg & WSATTR_REVERSE) != 0) {
+		swap = fg;
+		fg = bg;
+		bg = swap;
+	}
+
+	if ((flg & WSATTR_HILIT) != 0) {
+		if (fg == WSCOL_BLACK)
+			fg = 8;	/* ``regular'' dark gray */
+		else if (fg != WSCOL_WHITE) /* white is always highlighted */
+			fg += 8;
+	}
+
+	flg = ((flg & WSATTR_UNDERLINE) ? 1 : 0);
+
+	/* we're lucky we do not need a different isgray table... */
+	if (rasops_isgray[fg])
+		flg |= 2;
+	if (rasops_isgray[bg])
+		flg |= 4;
+
+	*attrp = (bg << 16) | (fg << 24) | flg;
+	return (0);
+}
+
 #if defined(SUN4)
 
 /*