diff --git a/include/ui/spice-display.h b/include/ui/spice-display.h index 48dc8c499015..69a222b543be 100644 --- a/include/ui/spice-display.h +++ b/include/ui/spice-display.h @@ -117,6 +117,7 @@ struct SimpleSpiceDisplay { #ifdef HAVE_SPICE_GL /* opengl rendering */ QEMUBH *gl_unblock_bh; + QEMUTimer *gl_unblock_timer; int dmabuf_fd; #endif }; diff --git a/ui/spice-display.c b/ui/spice-display.c index 904fb33b1409..d6e31e403782 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;