diff options
| -rw-r--r-- | include/ui/console.h | 2 | ||||
| -rw-r--r-- | ui/console.c | 79 | ||||
| -rw-r--r-- | ui/trace-events | 2 |
3 files changed, 77 insertions, 6 deletions
diff --git a/include/ui/console.h b/include/ui/console.h index 5fca9afcbc..6d2c052068 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -386,6 +386,7 @@ QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, void graphic_console_set_hwops(QemuConsole *con, const GraphicHwOps *hw_ops, void *opaque); +void graphic_console_close(QemuConsole *con); void graphic_hw_update(QemuConsole *con); void graphic_hw_invalidate(QemuConsole *con); @@ -398,6 +399,7 @@ QemuConsole *qemu_console_lookup_by_index(unsigned int index); QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head); QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, uint32_t head, Error **errp); +QemuConsole *qemu_console_lookup_unused(void); bool qemu_console_is_visible(QemuConsole *con); bool qemu_console_is_graphic(QemuConsole *con); bool qemu_console_is_fixedsize(QemuConsole *con); diff --git a/ui/console.c b/ui/console.c index a8868fc04f..530a491987 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1282,11 +1282,16 @@ static QemuConsole *new_console(DisplayState *ds, console_type_t console_type, s->console_type = console_type; consoles = g_realloc(consoles, sizeof(*consoles) * (nb_consoles+1)); - if (console_type != GRAPHIC_CONSOLE) { + if (console_type != GRAPHIC_CONSOLE || qdev_hotplug) { s->index = nb_consoles; consoles[nb_consoles++] = s; } else { - /* HACK: Put graphical consoles before text consoles. */ + /* + * HACK: Put graphical consoles before text consoles. + * + * Only do that for coldplugged devices. After initial device + * initialization we will not renumber the consoles any more. + */ for (i = nb_consoles; i > 0; i--) { if (consoles[i - 1]->console_type == GRAPHIC_CONSOLE) break; @@ -1874,21 +1879,61 @@ QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head, int height = 480; QemuConsole *s; DisplayState *ds; + DisplaySurface *surface; ds = get_alloc_displaystate(); - trace_console_gfx_new(); - s = new_console(ds, GRAPHIC_CONSOLE, head); - s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, dpy_set_ui_info_timer, s); + s = qemu_console_lookup_unused(); + if (s) { + trace_console_gfx_reuse(s->index); + if (s->surface) { + width = surface_width(s->surface); + height = surface_height(s->surface); + } + } else { + trace_console_gfx_new(); + s = new_console(ds, GRAPHIC_CONSOLE, head); + s->ui_timer = timer_new_ms(QEMU_CLOCK_REALTIME, + dpy_set_ui_info_timer, s); + } graphic_console_set_hwops(s, hw_ops, opaque); if (dev) { object_property_set_link(OBJECT(s), OBJECT(dev), "device", &error_abort); } - s->surface = qemu_create_message_surface(width, height, noinit); + surface = qemu_create_message_surface(width, height, noinit); + dpy_gfx_replace_surface(s, surface); return s; } +static const GraphicHwOps unused_ops = { + /* no callbacks */ +}; + +void graphic_console_close(QemuConsole *con) +{ + static const char unplugged[] = + "Guest display has been unplugged"; + DisplaySurface *surface; + int width = 640; + int height = 480; + + if (con->surface) { + width = surface_width(con->surface); + height = surface_height(con->surface); + } + + trace_console_gfx_close(con->index); + object_property_set_link(OBJECT(con), NULL, "device", &error_abort); + graphic_console_set_hwops(con, &unused_ops, NULL); + + if (con->gl) { + dpy_gl_scanout_disable(con); + } + surface = qemu_create_message_surface(width, height, unplugged); + dpy_gfx_replace_surface(con, surface); +} + QemuConsole *qemu_console_lookup_by_index(unsigned int index) { if (index >= nb_consoles) { @@ -1945,6 +1990,28 @@ QemuConsole *qemu_console_lookup_by_device_name(const char *device_id, return con; } +QemuConsole *qemu_console_lookup_unused(void) +{ + Object *obj; + int i; + + for (i = 0; i < nb_consoles; i++) { + if (!consoles[i]) { + continue; + } + if (consoles[i]->hw_ops != &unused_ops) { + continue; + } + obj = object_property_get_link(OBJECT(consoles[i]), + "device", &error_abort); + if (obj != NULL) { + continue; + } + return consoles[i]; + } + return NULL; +} + bool qemu_console_is_visible(QemuConsole *con) { return (con == active_console) || (con->dcls > 0); diff --git a/ui/trace-events b/ui/trace-events index a957f363f1..eb4bf7f00d 100644 --- a/ui/trace-events +++ b/ui/trace-events @@ -2,6 +2,8 @@ # ui/console.c console_gfx_new(void) "" +console_gfx_reuse(int index) "%d" +console_gfx_close(int index) "%d" console_putchar_csi(int esc_param0, int esc_param1, int ch, int nb_esc_params) "escape sequence CSI%d;%d%c, %d parameters" console_putchar_unhandled(int ch) "unhandled escape character '%c'" console_txt_new(int w, int h) "%dx%d" |