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-rw-r--r--ui/spice-display.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 904fb33b14..d6e31e4037 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -797,6 +797,15 @@ static const DisplayChangeListenerOps display_listener_ops = {
static void qemu_spice_gl_block(SimpleSpiceDisplay *ssd, bool block)
{
+ uint64_t timeout;
+
+ if (block) {
+ timeout = qemu_clock_get_ms(QEMU_CLOCK_REALTIME);
+ timeout += 1000; /* one sec */
+ timer_mod(ssd->gl_unblock_timer, timeout);
+ } else {
+ timer_del(ssd->gl_unblock_timer);
+ }
graphic_hw_gl_block(ssd->dcl.con, block);
}
@@ -807,6 +816,11 @@ static void qemu_spice_gl_unblock_bh(void *opaque)
qemu_spice_gl_block(ssd, false);
}
+static void qemu_spice_gl_block_timer(void *opaque)
+{
+ fprintf(stderr, "WARNING: spice: no gl-draw-done within one second\n");
+}
+
static QEMUGLContext qemu_spice_gl_create_context(DisplayChangeListener *dcl,
QEMUGLParams *params)
{
@@ -888,6 +902,8 @@ static void qemu_spice_display_init_one(QemuConsole *con)
ssd->dcl.ops = &display_listener_gl_ops;
ssd->dmabuf_fd = -1;
ssd->gl_unblock_bh = qemu_bh_new(qemu_spice_gl_unblock_bh, ssd);
+ ssd->gl_unblock_timer = timer_new_ms(QEMU_CLOCK_REALTIME,
+ qemu_spice_gl_block_timer, ssd);
}
#endif
ssd->dcl.con = con;