[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [6374] Coalesce virtual console screen updates.
From: |
Paul Brook |
Subject: |
[Qemu-devel] [6374] Coalesce virtual console screen updates. |
Date: |
Wed, 21 Jan 2009 03:02:53 +0000 |
Revision: 6374
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6374
Author: pbrook
Date: 2009-01-21 03:02:52 +0000 (Wed, 21 Jan 2009)
Log Message:
-----------
Coalesce virtual console screen updates.
Modified Paths:
--------------
trunk/console.c
Modified: trunk/console.c
===================================================================
--- trunk/console.c 2009-01-21 01:50:17 UTC (rev 6373)
+++ trunk/console.c 2009-01-21 03:02:52 UTC (rev 6374)
@@ -139,6 +139,11 @@
TextCell *cells;
int text_x[2], text_y[2], cursor_invalidate;
+ int update_x0;
+ int update_y0;
+ int update_x1;
+ int update_y1;
+
enum TTYState state;
int esc_params[MAX_ESC_PARAMS];
int nb_esc_params;
@@ -537,6 +542,18 @@
s->text_y[1] = MAX(s->text_y[1], y);
}
+static void invalidate_xy(TextConsole *s, int x, int y)
+{
+ if (s->update_x0 > x * FONT_WIDTH)
+ s->update_x0 = x * FONT_WIDTH;
+ if (s->update_y0 > y * FONT_HEIGHT)
+ s->update_y0 = y * FONT_HEIGHT;
+ if (s->update_x1 < (x + 1) * FONT_WIDTH)
+ s->update_x1 = (x + 1) * FONT_WIDTH;
+ if (s->update_y1 < (y + 1) * FONT_HEIGHT)
+ s->update_y1 = (y + 1) * FONT_HEIGHT;
+}
+
static void update_xy(TextConsole *s, int x, int y)
{
TextCell *c;
@@ -556,8 +573,7 @@
c = &s->cells[y1 * s->width + x];
vga_putcharxy(s->ds, x, y2, c->ch,
&(c->t_attrib));
- dpy_update(s->ds, x * FONT_WIDTH, y2 * FONT_HEIGHT,
- FONT_WIDTH, FONT_HEIGHT);
+ invalidate_xy(s, x, y2);
}
}
}
@@ -591,8 +607,7 @@
} else {
vga_putcharxy(s->ds, x, y, c->ch, &(c->t_attrib));
}
- dpy_update(s->ds, x * FONT_WIDTH, y * FONT_HEIGHT,
- FONT_WIDTH, FONT_HEIGHT);
+ invalidate_xy(s, x, y);
}
}
}
@@ -626,8 +641,8 @@
if (++y1 == s->total_height)
y1 = 0;
}
+ console_show_cursor(s, 1);
dpy_update(s->ds, 0, 0, ds_get_width(s->ds), ds_get_height(s->ds));
- console_show_cursor(s, 1);
}
static void console_scroll(int ydelta)
@@ -703,8 +718,10 @@
vga_fill_rect(s->ds, 0, (s->height - 1) * FONT_HEIGHT,
s->width * FONT_WIDTH, FONT_HEIGHT,
color_table[0][s->t_attrib_default.bgcol]);
- dpy_update(s->ds, 0, 0,
- s->width * FONT_WIDTH, s->height * FONT_HEIGHT);
+ s->update_x0 = 0;
+ s->update_y0 = 0;
+ s->update_x1 = s->width * FONT_WIDTH;
+ s->update_y1 = s->height * FONT_HEIGHT;
}
}
}
@@ -1062,11 +1079,20 @@
TextConsole *s = chr->opaque;
int i;
+ s->update_x0 = s->width * FONT_WIDTH;
+ s->update_y0 = s->height * FONT_HEIGHT;
+ s->update_x1 = 0;
+ s->update_y1 = 0;
console_show_cursor(s, 0);
for(i = 0; i < len; i++) {
console_putchar(s, buf[i]);
}
console_show_cursor(s, 1);
+ if (ds_get_bits_per_pixel(s->ds) && s->update_x0 < s->update_x1) {
+ dpy_update(s->ds, s->update_x0, s->update_y0,
+ s->update_x1 - s->update_x0,
+ s->update_y1 - s->update_y0);
+ }
return len;
}
[Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Qemu-devel] [6374] Coalesce virtual console screen updates.,
Paul Brook <=