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[src/trunk]: src/sys/dev/rasops Redo fix in rev 1.2



details:   https://anonhg.NetBSD.org/src/rev/61916c7368b6
branches:  trunk
changeset: 452927:61916c7368b6
user:      rin <rin%NetBSD.org@localhost>
date:      Sun Jul 28 03:09:24 2019 +0000

description:
Redo fix in rev 1.2
http://cvsweb.netbsd.org/bsdweb.cgi/src/sys/dev/rasops/rasops_putchar_width.h#rev1.2
in a correct way.

For 24bpp framebuffer, we need to use ``stamp triplets'' even for fully
blank or filled rows.

Now, background-color for white space and underline are correctly drawn.

diffstat:

 sys/dev/rasops/rasops_putchar_width.h |  61 ++++++++++++++++++++++++----------
 1 files changed, 42 insertions(+), 19 deletions(-)

diffs (113 lines):

diff -r 16666658589e -r 61916c7368b6 sys/dev/rasops/rasops_putchar_width.h
--- a/sys/dev/rasops/rasops_putchar_width.h     Sun Jul 28 02:56:53 2019 +0000
+++ b/sys/dev/rasops/rasops_putchar_width.h     Sun Jul 28 03:09:24 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: rasops_putchar_width.h,v 1.3 2019/07/28 02:56:53 rin Exp $ */
+/* $NetBSD: rasops_putchar_width.h,v 1.4 2019/07/28 03:09:24 rin Exp $ */
 
 /* NetBSD: rasops8.c,v 1.41 2019/07/25 03:02:44 rin Exp  */
 /*-
@@ -98,8 +98,12 @@
 
 #if RASOPS_DEPTH == 24
 
-#define        SUBST_STAMP1(p, off)                                            \
-       (p)[(off) * 3 + 0] = (p)[(off) * 3 + 1] = (p)[(off) * 3 + 2] =
+#define        SUBST_STAMP1(p, off, base)                                      \
+       do {                                                            \
+               (p)[(off) * 3 + 0] = stamp[(base) + 0];                 \
+               (p)[(off) * 3 + 1] = stamp[(base) + 1];                 \
+               (p)[(off) * 3 + 2] = stamp[(base) + 2];                 \
+       } while (0 /* CONSTCOND */);
 
 #define        SUBST_GLYPH1(index, nibble, off)                                \
        do {                                                            \
@@ -143,17 +147,38 @@
 
 /* ################################################################### */
 
+#if RASOPS_DEPTH != 24
 #if   RASOPS_WIDTH == 8
-#define        SUBST_STAMP(p, val) \
-       SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) (val)
+#define        SUBST_STAMP(p, base) \
+       SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) stamp[base];
 #elif RASOPS_WIDTH == 12
-#define        SUBST_STAMP(p, val) \
-       SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) SUBST_STAMP1(p, 2) (val)
+#define        SUBST_STAMP(p, base) \
+       SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) SUBST_STAMP1(p, 2) stamp[base];
 #elif RASOPS_WIDTH == 16
-#define        SUBST_STAMP(p, val) \
+#define        SUBST_STAMP(p, base) \
        SUBST_STAMP1(p, 0) SUBST_STAMP1(p, 1) SUBST_STAMP1(p, 2) \
-       SUBST_STAMP1(p, 3) (val)
+       SUBST_STAMP1(p, 3) stamp[base];
 #endif
+#endif /* RASOPS_DEPTH != 24 */
+
+/* ################################################################### */
+
+#if RASOPS_DEPTH == 24
+#if   RASOPS_WIDTH == 8
+#define        SUBST_STAMP(p, base) \
+       SUBST_STAMP1(p, 0, base) SUBST_STAMP1(p, 1, base)
+#elif RASOPS_WIDTH == 12
+#define        SUBST_STAMP(p, base) \
+       SUBST_STAMP1(p, 0, base) SUBST_STAMP1(p, 1, base) \
+       SUBST_STAMP1(p, 2, base)
+#elif RASOPS_WIDTH == 16
+#define        SUBST_STAMP(p, base) \
+       SUBST_STAMP1(p, 0, base) SUBST_STAMP1(p, 1, base) \
+       SUBST_STAMP1(p, 2, base) SUBST_STAMP1(p, 3, base)
+#endif
+#endif /* RASOPS_DEPTH == 24 */
+
+/* ################################################################### */
 
 #if   RASOPS_WIDTH == 8
 #define        SUBST_GLYPH \
@@ -213,24 +238,21 @@
 
        height = font->fontheight;
 
-#if RASOPS_DEPTH != 24 /* XXXRO fix me! */
        if (uc == ' ') {
                while (height--) {
-                       SUBST_STAMP(rp, stamp[0]);
+                       SUBST_STAMP(rp, 0);
                        DELTA(rp, ri->ri_stride, uint32_t *);
                        if (ri->ri_hwbits) {
-                               SUBST_STAMP(hrp, stamp[0]);
+                               SUBST_STAMP(hrp, 0);
                                DELTA(hrp, ri->ri_stride, uint32_t *);
                        }
                }
-       } else
-#endif
-       {
+       } else {
                fr = FONT_GLYPH(uc, font, ri);
                fs = font->stride;
 
                while (height--) {
-                       SUBST_GLYPH
+                       SUBST_GLYPH;
 
                        fr += fs;
                        DELTA(rp, ri->ri_stride, uint32_t *);
@@ -242,10 +264,11 @@
        /* Do underline */
        if ((attr & WSATTR_UNDERLINE) != 0) {
                DELTA(rp, -(ri->ri_stride << 1), uint32_t *);
-               SUBST_STAMP(rp, stamp[FILLED_STAMP]);
-               if (ri->ri_hwbits)
+               SUBST_STAMP(rp, FILLED_STAMP);
+               if (ri->ri_hwbits) {
                        DELTA(hrp, -(ri->ri_stride << 1), uint32_t *);
-                       SUBST_STAMP(hrp, stamp[FILLED_STAMP]);
+                       SUBST_STAMP(hrp, FILLED_STAMP);
+               }
        }
 
        stamp_mutex--;



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