Add optimized character rendering case for 6 pixels wide fonts in

rasops32_putchar().

From jon (at) elytron (dot) openbsd (dot) amsterdam.

diff --git a/sys/dev/rasops/rasops32.c b/sys/dev/rasops/rasops32.c
index 6040a4a..ec189be 100644 (file)
--- a/sys/dev/rasops/rasops32.c
+++ b/sys/dev/rasops/rasops32.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: rasops32.c,v 1.13 2023/01/18 11:08:49 nicm Exp $      */
+/*     $OpenBSD: rasops32.c,v 1.14 2024/07/21 13:18:15 fcambus Exp $   */
 /*     $NetBSD: rasops32.c,v 1.7 2000/04/12 14:22:29 pk Exp $  */
 
 /*-
@@ -112,6 +112,17 @@ rasops32_putchar(void *cookie, int row, int col, u_int uc, uint32_t attr)
 
                /* double-pixel special cases for the common widths */
                switch (width) {
+               case 6:
+                       while (height--) {
+                               fb = fr[0];
+                               rp[0] = u.q[fb >> 6];
+                               rp[1] = u.q[(fb >> 4) & 3];
+                               rp[2] = u.q[(fb >> 2) & 3];
+                               rp += step;
+                               fr += 1;
+                       }
+                       break;
+
                case 8:
                        while (height--) {
                                fb = fr[0];