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[src/trunk]: src/sys/dev/rasops Convert rasops2.c and rasops4.c to use rasops...



details:   https://anonhg.NetBSD.org/src/rev/3244f455c8e4
branches:  trunk
changeset: 452956:3244f455c8e4
user:      rin <rin%NetBSD.org@localhost>
date:      Mon Jul 29 03:01:09 2019 +0000

description:
Convert rasops2.c and rasops4.c to use rasops_putchar_width.h.
Style.

diffstat:

 sys/dev/rasops/rasops2.c              |  330 ++------------------------------
 sys/dev/rasops/rasops4.c              |  348 ++-------------------------------
 sys/dev/rasops/rasops_putchar_width.h |   61 +++--
 3 files changed, 87 insertions(+), 652 deletions(-)

diffs (truncated from 930 to 300 lines):

diff -r 135ea743339e -r 3244f455c8e4 sys/dev/rasops/rasops2.c
--- a/sys/dev/rasops/rasops2.c  Mon Jul 29 02:57:41 2019 +0000
+++ b/sys/dev/rasops/rasops2.c  Mon Jul 29 03:01:09 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: rasops2.c,v 1.25 2019/07/28 12:06:10 rin Exp $ */
+/*     $NetBSD: rasops2.c,v 1.26 2019/07/29 03:01:09 rin Exp $ */
 
 /*-
  * Copyright (c) 1999 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: rasops2.c,v 1.25 2019/07/28 12:06:10 rin Exp $");
+__KERNEL_RCSID(0, "$NetBSD: rasops2.c,v 1.26 2019/07/29 03:01:09 rin Exp $");
 
 #include "opt_rasops.h"
 
@@ -63,6 +63,14 @@
 #endif
 
 /*
+ * offset = STAMP_SHIFT(fontbits, nibble #) & STAMP_MASK
+ * destination = STAMP_READ(offset)
+ */
+#define        STAMP_SHIFT(fb, n)      ((n) ? (fb) >> 4 : (fb))
+#define        STAMP_MASK              0xf
+#define        STAMP_READ(o)           stamp[o]
+
+/*
  * Initialize rasops_info struct for this colordepth.
  */
 void
@@ -94,117 +102,6 @@
        }
 }
 
-#ifdef notyet
-/*
- * Paint a single character. This is the generic version, this is ugly.
- */
-static void
-rasops2_putchar(void *cookie, int row, int col, u_int uc, long attr)
-{
-       int height, width, fs, rs, fb, bg, fg, lmask, rmask;
-       struct rasops_info *ri = (struct rasops_info *)cookie;
-       struct wsdisplay_font *font = PICK_FONT(ri, uc);
-       uint32_t *rp;
-       uint8_t *fr;
-
-#ifdef RASOPS_CLIPPING
-       /* Catches 'row < 0' case too */
-       if ((unsigned)row >= (unsigned)ri->ri_rows)
-               return;
-
-       if ((unsigned)col >= (unsigned)ri->ri_cols)
-               return;
-#endif
-
-       width = font->fontwidth << 1;
-       height = font->fontheight;
-       col *= width;
-       rp = (uint32_t *)(ri->ri_bits + row * ri->ri_yscale +
-           ((col >> 3) & ~3));
-       col = col & 31;
-       rs = ri->ri_stride;
-
-       bg = ri->ri_devcmap[((uint32_t)attr >> 16) & 0xf];
-       fg = ri->ri_devcmap[((uint32_t)attr >> 24) & 0xf];
-
-       /* If fg and bg match this becomes a space character */
-       if (fg == bg || uc == ' ') {
-               uc = (u_int)-1;
-               fr = 0;         /* shutup gcc */
-               fs = 0;         /* shutup gcc */
-       } else {
-               fr = FONT_GLYPH(uc, font, ri);
-               fs = font->stride;
-       }
-
-       /* Single word, one mask */
-       if ((col + width) <= 32) {
-               rmask = rasops_pmask[col][width];
-               lmask = ~rmask;
-
-               if (uc == (u_int)-1) {
-                       bg &= rmask;
-
-                       while (height--) {
-                               *rp = (*rp & lmask) | bg;
-                               DELTA(rp, rs, uint32_t *);
-                       }
-               } else {
-                       while (height--) {
-                               /* get bits, mask */
-                               /* compose sl */
-                               /* mask sl */
-                               /* put word */
-                       }
-               }
-
-               /* Do underline */
-               if (attr & WSATTR_UNDERLINE) {
-                       DELTA(rp, -(ri->ri_stride << 1), uint32_t *);
-                       *rp = (*rp & lmask) | (fg & rmask);
-               }
-       } else {
-               lmask = ~rasops_lmask[col];
-               rmask = ~rasops_rmask[(col + width) & 31];
-
-               if (uc == (u_int)-1) {
-                       bg = bg & ~lmask;
-                       width = bg & ~rmask;
-
-                       while (height--) {
-                               rp[0] = (rp[0] & lmask) | bg;
-                               rp[1] = (rp[1] & rmask) | width;
-                               DELTA(rp, rs, uint32_t *);
-                       }
-               } else {
-                       width = 32 - col;
-
-                       /* NOT fontbits if bg is white */
-                       while (height--) {
-                               fb = ~(fr[3] | (fr[2] << 8) |
-                                   (fr[1] << 16) | (fr[0] << 24));
-
-                               rp[0] = (rp[0] & lmask)
-                                   | MBE((u_int)fb >> col);
-
-                               rp[1] = (rp[1] & rmask)
-                                  | (MBE((u_int)fb << width) & ~rmask);
-
-                               fr += fs;
-                               DELTA(rp, rs, uint32_t *);
-                       }
-               }
-
-               /* Do underline */
-               if (attr & WSATTR_UNDERLINE) {
-                       DELTA(rp, -(ri->ri_stride << 1), uint32_t *);
-                       rp[0] = (rp[0] & lmask) | (fg & ~lmask);
-                       rp[1] = (rp[1] & rmask) | (fg & ~rmask);
-               }
-       }
-}
-#endif
-
 /*
  * Put a single character. This is the generic version.
  */
@@ -236,13 +133,13 @@
 #endif
                if ((ri->ri_flg & RI_BSWAP) == NEED_LITTLE_ENDIAN_STAMP) {
                        /* littel endian */
-                       stamp[i] = (i & 8 ? fg : bg);
+                       stamp[i]  = (i & 8 ? fg : bg);
                        stamp[i] |= (i & 4 ? fg : bg) << 2;
                        stamp[i] |= (i & 2 ? fg : bg) << 4;
                        stamp[i] |= (i & 1 ? fg : bg) << 6;
                } else {
                        /* big endian */
-                       stamp[i] = (i & 1 ? fg : bg);
+                       stamp[i]  = (i & 1 ? fg : bg);
                        stamp[i] |= (i & 2 ? fg : bg) << 2;
                        stamp[i] |= (i & 4 ? fg : bg) << 4;
                        stamp[i] |= (i & 8 ? fg : bg) << 6;
@@ -250,203 +147,20 @@
        }
 }
 
-/*
- * Put a single character. This is for 8-pixel wide fonts.
- */
-static void
-rasops2_putchar8(void *cookie, int row, int col, u_int uc, long attr)
-{
-       struct rasops_info *ri = (struct rasops_info *)cookie;
-       struct wsdisplay_font *font = PICK_FONT(ri, uc);
-       int height, fs, rs;
-       uint8_t *fr, *rp;
-
-       /* Can't risk remaking the stamp if it's already in use */
-       if (stamp_mutex++) {
-               stamp_mutex--;
-               rasops2_putchar(cookie, row, col, uc, attr);
-               return;
-       }
-
-#ifdef RASOPS_CLIPPING
-       /* Catches 'row < 0' case too */
-       if ((unsigned)row >= (unsigned)ri->ri_rows) {
-               stamp_mutex--;
-               return;
-       }
-
-       if ((unsigned)col >= (unsigned)ri->ri_cols) {
-               stamp_mutex--;
-               return;
-       }
-#endif
-
-       rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
-       height = font->fontheight;
-       rs = ri->ri_stride;
-
-       /* Recompute stamp? */
-       if (attr != stamp_attr)
-               rasops2_makestamp(ri, attr);
-
-       if (uc == ' ') {
-               while (height--) {
-                       rp[0] = rp[1] = stamp[0];
-                       rp += rs;
-               }
-       } else {
-               fr = FONT_GLYPH(uc, font, ri);
-               fs = font->stride;
+#define        RASOPS_DEPTH    2
 
-               while (height--) {
-                       rp[0] = stamp[(*fr >> 4) & 0xf];
-                       rp[1] = stamp[*fr & 0xf];
-                       fr += fs;
-                       rp += rs;
-               }
-       }
-
-       /* Do underline */
-       if ((attr & WSATTR_UNDERLINE) != 0) {
-               rp -= ri->ri_stride << 1;
-               rp[0] = rp[1] = stamp[15];
-       }
-
-       stamp_mutex--;
-}
-
-/*
- * Put a single character. This is for 12-pixel wide fonts.
- */
-static void
-rasops2_putchar12(void *cookie, int row, int col, u_int uc, long attr)
-{
-       struct rasops_info *ri = (struct rasops_info *)cookie;
-       struct wsdisplay_font *font = PICK_FONT(ri, uc);
-       int height, fs, rs;
-       uint8_t *fr, *rp;
-
-       /* Can't risk remaking the stamp if it's already in use */
-       if (stamp_mutex++) {
-               stamp_mutex--;
-               rasops2_putchar(cookie, row, col, uc, attr);
-               return;
-       }
-
-#ifdef RASOPS_CLIPPING
-       /* Catches 'row < 0' case too */
-       if ((unsigned)row >= (unsigned)ri->ri_rows) {
-               stamp_mutex--;
-               return;
-       }
-
-       if ((unsigned)col >= (unsigned)ri->ri_cols) {
-               stamp_mutex--;
-               return;
-       }
-#endif
+#define        RASOPS_WIDTH    8
+#include "rasops_putchar_width.h"
+#undef RASOPS_WIDTH
 
-       rp = ri->ri_bits + row * ri->ri_yscale + col * ri->ri_xscale;
-       height = font->fontheight;
-       rs = ri->ri_stride;
-
-       /* Recompute stamp? */
-       if (attr != stamp_attr)
-               rasops2_makestamp(ri, attr);
-
-       if (uc == ' ') {
-               while (height--) {
-                       rp[0] = rp[1] = rp[2] = stamp[0];
-                       rp += rs;
-               }
-       } else {
-               fr = FONT_GLYPH(uc, font, ri);
-               fs = font->stride;
-
-               while (height--) {
-                       rp[0] = stamp[(fr[0] >> 4) & 0xf];
-                       rp[1] = stamp[fr[0] & 0xf];
-                       rp[2] = stamp[(fr[1] >> 4) & 0xf];
-                       fr += fs;
-                       rp += rs;
-               }
-       }
-
-       /* Do underline */
-       if ((attr & WSATTR_UNDERLINE) != 0) {
-               rp -= ri->ri_stride << 1;



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