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authorGerd Hoffmann <kraxel@redhat.com>2012-09-05 08:25:08 +0200
committerGerd Hoffmann <kraxel@redhat.com>2012-09-12 08:09:47 +0200
commitb1af98ba3e4c4fd44f233fc7240df2612baeb1c2 (patch)
treea27d0dcd69d09b40dcc6bd2c7bbee26cc0e2f06f /ui/spice-display.c
parente0a1e32dbc41e6b2aabb436a9417dfd32177a3dc (diff)
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spice: switch to queue for vga mode updates
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'ui/spice-display.c')
-rw-r--r--ui/spice-display.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 99bc665..59c5fd7 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -164,7 +164,7 @@ int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd)
#endif
}
-static SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd)
+static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
{
SimpleSpiceUpdate *update;
QXLDrawable *drawable;
@@ -175,7 +175,7 @@ static SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd)
struct timespec time_space;
if (qemu_spice_rect_is_empty(&ssd->dirty)) {
- return NULL;
+ return;
};
trace_qemu_spice_create_update(
@@ -239,7 +239,7 @@ static SimpleSpiceUpdate *qemu_spice_create_update(SimpleSpiceDisplay *ssd)
cmd->data = (uintptr_t)drawable;
memset(&ssd->dirty, 0, sizeof(ssd->dirty));
- return update;
+ QTAILQ_INSERT_TAIL(&ssd->updates, update, next);
}
/*
@@ -315,6 +315,7 @@ void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds)
{
ssd->ds = ds;
qemu_mutex_init(&ssd->lock);
+ QTAILQ_INIT(&ssd->updates);
ssd->mouse_x = -1;
ssd->mouse_y = -1;
if (ssd->num_surfaces == 0) {
@@ -345,6 +346,8 @@ void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
{
+ SimpleSpiceUpdate *update;
+
dprint(1, "%s:\n", __FUNCTION__);
memset(&ssd->dirty, 0, sizeof(ssd->dirty));
@@ -352,9 +355,9 @@ void qemu_spice_display_resize(SimpleSpiceDisplay *ssd)
ssd->conv = NULL;
qemu_mutex_lock(&ssd->lock);
- if (ssd->update != NULL) {
- qemu_spice_destroy_update(ssd, ssd->update);
- ssd->update = NULL;
+ while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
+ QTAILQ_REMOVE(&ssd->updates, update, next);
+ qemu_spice_destroy_update(ssd, update);
}
qemu_mutex_unlock(&ssd->lock);
qemu_spice_destroy_host_primary(ssd);
@@ -384,8 +387,8 @@ void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
vga_hw_update();
qemu_mutex_lock(&ssd->lock);
- if (ssd->update == NULL) {
- ssd->update = qemu_spice_create_update(ssd);
+ if (QTAILQ_EMPTY(&ssd->updates)) {
+ qemu_spice_create_update(ssd);
ssd->notify++;
}
qemu_spice_cursor_refresh_unlocked(ssd);
@@ -442,9 +445,9 @@ static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
dprint(3, "%s:\n", __FUNCTION__);
qemu_mutex_lock(&ssd->lock);
- if (ssd->update != NULL) {
- update = ssd->update;
- ssd->update = NULL;
+ update = QTAILQ_FIRST(&ssd->updates);
+ if (update != NULL) {
+ QTAILQ_REMOVE(&ssd->updates, update, next);
*ext = update->ext;
ret = true;
}