Module Name: src
Committed By: macallan
Date: Thu Apr 28 03:12:03 UTC 2022
Modified Files:
src/sys/dev/sun: cgsix.c
Log Message:
be lazy about clearing the cursor - in most cases we're about to overwrite it
anyway. Same logic as with VCONS_DONT_READ.
visible speedup in things like systat and top
To generate a diff of this commit:
cvs rdiff -u -r1.70 -r1.71 src/sys/dev/sun/cgsix.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/sun/cgsix.c
diff -u src/sys/dev/sun/cgsix.c:1.70 src/sys/dev/sun/cgsix.c:1.71
--- src/sys/dev/sun/cgsix.c:1.70 Sat Aug 7 16:19:16 2021
+++ src/sys/dev/sun/cgsix.c Thu Apr 28 03:12:03 2022
@@ -1,4 +1,4 @@
-/* $NetBSD: cgsix.c,v 1.70 2021/08/07 16:19:16 thorpej Exp $ */
+/* $NetBSD: cgsix.c,v 1.71 2022/04/28 03:12:03 macallan Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -78,7 +78,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cgsix.c,v 1.70 2021/08/07 16:19:16 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cgsix.c,v 1.71 2022/04/28 03:12:03 macallan Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -339,6 +339,23 @@ cg6_ras_init(struct cgsix_softc *sc)
}
static void
+cg6_ras_nuke_cursor(struct rasops_info *ri)
+{
+ struct vcons_screen *scr = ri->ri_hw;
+ struct cgsix_softc *sc = scr->scr_cookie;
+ int wi, he, x, y;
+
+ if (ri->ri_flg & RI_CURSOR) {
+ wi = ri->ri_font->fontwidth;
+ he = ri->ri_font->fontheight;
+ x = ri->ri_ccol * wi + ri->ri_xorigin;
+ y = ri->ri_crow * he + ri->ri_yorigin;
+ cg6_invert(sc, x, y, wi, he);
+ ri->ri_flg &= ~RI_CURSOR;
+ }
+}
+
+static void
cg6_ras_copyrows(void *cookie, int src, int dst, int n)
{
struct rasops_info *ri = cookie;
@@ -362,6 +379,10 @@ cg6_ras_copyrows(void *cookie, int src,
n = ri->ri_rows - dst;
if (n <= 0)
return;
+ if ((ri->ri_crow >= src && ri->ri_crow < (src + n)) &&
+ (ri->ri_flg & RI_CURSOR)) {
+ cg6_ras_nuke_cursor(ri);
+ }
n *= ri->ri_font->fontheight;
src *= ri->ri_font->fontheight;
dst *= ri->ri_font->fontheight;
@@ -380,6 +401,8 @@ cg6_ras_copyrows(void *cookie, int src,
fbc->fbc_x3 = ri->ri_xorigin + ri->ri_emuwidth - 1;
fbc->fbc_y3 = ri->ri_yorigin + dst + n - 1;
CG6_BLIT(fbc);
+ if (ri->ri_crow >= dst && ri->ri_crow < (dst + n))
+ ri->ri_flg &= ~RI_CURSOR;
}
static void
@@ -408,6 +431,11 @@ cg6_ras_copycols(void *cookie, int row,
n = ri->ri_cols - dst;
if (n <= 0)
return;
+ if (ri->ri_crow == row &&
+ (ri->ri_ccol >= src && ri->ri_ccol < (src + n)) &&
+ (ri->ri_flg & RI_CURSOR)) {
+ cg6_ras_nuke_cursor(ri);
+ }
n *= ri->ri_font->fontwidth;
src *= ri->ri_font->fontwidth;
dst *= ri->ri_font->fontwidth;
@@ -429,6 +457,9 @@ cg6_ras_copycols(void *cookie, int row,
fbc->fbc_y3 = ri->ri_yorigin + row +
ri->ri_font->fontheight - 1;
CG6_BLIT(fbc);
+ if (ri->ri_crow == row &&
+ (ri->ri_ccol >= dst && ri->ri_ccol < (dst + n)))
+ ri->ri_flg &= ~RI_CURSOR;
}
static void
@@ -449,6 +480,11 @@ cg6_ras_erasecols(void *cookie, int row,
n = ri->ri_cols - col;
if (n <= 0)
return;
+
+ if (ri->ri_crow == row &&
+ (ri->ri_ccol >= col && ri->ri_ccol < (col + n)))
+ ri->ri_flg &= ~RI_CURSOR;
+
n *= ri->ri_font->fontwidth;
col *= ri->ri_font->fontwidth;
row *= ri->ri_font->fontheight;
@@ -483,6 +519,9 @@ cg6_ras_eraserows(void *cookie, int row,
if (n <= 0)
return;
+ if (ri->ri_crow >= row && ri->ri_crow < (row + n))
+ ri->ri_flg &= ~RI_CURSOR;
+
CG6_WAIT_READY(fbc);
fbc->fbc_alu = CG6_ALU_FILL;
fbc->fbc_mode = GX_BLIT_SRC | GX_MODE_COLOR8;
@@ -624,7 +663,7 @@ cg6attach(struct cgsix_softc *sc, const
}
}
cg6_setup_palette(sc);
-
+
aa.scrdata = &cgsix_screenlist;
aa.console = isconsole;
aa.accessops = &cgsix_accessops;
@@ -1369,6 +1408,10 @@ cgsix_putchar(void *cookie, int row, int
if ((row >= 0) && (row < ri->ri_rows) && (col >= 0) &&
(col < ri->ri_cols)) {
+ if (row == ri->ri_crow && col == ri->ri_ccol) {
+ ri->ri_flg &= ~RI_CURSOR;
+ }
+
if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
int fg, bg, uc, i;
@@ -1438,6 +1481,10 @@ cgsix_putchar_aa(void *cookie, int row,
if (!CHAR_IN_FONT(c, font))
return;
+ if (row == ri->ri_crow && col == ri->ri_ccol) {
+ ri->ri_flg &= ~RI_CURSOR;
+ }
+
wi = font->fontwidth;
he = font->fontheight;
@@ -1532,21 +1579,17 @@ cgsix_cursor(void *cookie, int on, int r
he = ri->ri_font->fontheight;
if (sc->sc_mode == WSDISPLAYIO_MODE_EMUL) {
- x = ri->ri_ccol * wi + ri->ri_xorigin;
- y = ri->ri_crow * he + ri->ri_yorigin;
- if (ri->ri_flg & RI_CURSOR) {
+ if (on) {
+ if (ri->ri_flg & RI_CURSOR) {
+ cg6_ras_nuke_cursor(ri);
+ }
+ x = col * wi + ri->ri_xorigin;
+ y = row * he + ri->ri_yorigin;
cg6_invert(sc, x, y, wi, he);
- ri->ri_flg &= ~RI_CURSOR;
+ ri->ri_flg |= RI_CURSOR;
}
ri->ri_crow = row;
ri->ri_ccol = col;
- if (on)
- {
- x = ri->ri_ccol * wi + ri->ri_xorigin;
- y = ri->ri_crow * he + ri->ri_yorigin;
- cg6_invert(sc, x, y, wi, he);
- ri->ri_flg |= RI_CURSOR;
- }
} else
{
ri->ri_crow = row;
@@ -1574,6 +1617,7 @@ cgsix_clearscreen(struct cgsix_softc *sc
fbc->fbc_arectx = ri->ri_width - 1;
fbc->fbc_arecty = ri->ri_height - 1;
CG6_DRAW(fbc);
+ ri->ri_flg &= ~RI_CURSOR;
}
}