Add a function to be called when a graphic update is done. Declare the QXL renderer as async: render_update_cookie_num counts the number of outstanding updates, and graphic_hw_update_done() is called when it reaches none.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- include/ui/console.h | 2 ++ hw/display/qxl-render.c | 9 +++++++-- hw/display/qxl.c | 1 + ui/console.c | 9 +++++++++ 4 files changed, 19 insertions(+), 2 deletions(-) diff --git a/include/ui/console.h b/include/ui/console.h index fef900db76..9415adadfe 100644 --- a/include/ui/console.h +++ b/include/ui/console.h @@ -364,6 +364,7 @@ static inline void console_write_ch(console_ch_t *dest, uint32_t ch) typedef struct GraphicHwOps { void (*invalidate)(void *opaque); void (*gfx_update)(void *opaque); + bool gfx_update_async; /* if true, calls graphic_hw_update_done() */ void (*text_update)(void *opaque, console_ch_t *text); void (*update_interval)(void *opaque, uint64_t interval); int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info); @@ -379,6 +380,7 @@ void graphic_console_set_hwops(QemuConsole *con, void graphic_console_close(QemuConsole *con); void graphic_hw_update(QemuConsole *con); +void graphic_hw_update_done(QemuConsole *con); void graphic_hw_invalidate(QemuConsole *con); void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata); void graphic_hw_gl_block(QemuConsole *con, bool block); diff --git a/hw/display/qxl-render.c b/hw/display/qxl-render.c index 14ad2b352d..102fa0b7e9 100644 --- a/hw/display/qxl-render.c +++ b/hw/display/qxl-render.c @@ -108,7 +108,7 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) qxl->guest_primary.surface.mem, MEMSLOT_GROUP_GUEST); if (!qxl->guest_primary.data) { - return; + goto end; } qxl_set_rect_to_surface(qxl, &qxl->dirty[0]); qxl->num_dirty_rects = 1; @@ -136,7 +136,7 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) } if (!qxl->guest_primary.data) { - return; + goto end; } for (i = 0; i < qxl->num_dirty_rects; i++) { if (qemu_spice_rect_is_empty(qxl->dirty+i)) { @@ -157,6 +157,11 @@ static void qxl_render_update_area_unlocked(PCIQXLDevice *qxl) qxl->dirty[i].bottom - qxl->dirty[i].top); } qxl->num_dirty_rects = 0; + +end: + if (qxl->render_update_cookie_num == 0) { + graphic_hw_update_done(qxl->ssd.dcl.con); + } } /* diff --git a/hw/display/qxl.c b/hw/display/qxl.c index c8ce5781e0..884e24766c 100644 --- a/hw/display/qxl.c +++ b/hw/display/qxl.c @@ -1182,6 +1182,7 @@ static const QXLInterface qxl_interface = { static const GraphicHwOps qxl_ops = { .gfx_update = qxl_hw_update, + .gfx_update_async = true, }; static void qxl_enter_vga_mode(PCIQXLDevice *d) diff --git a/ui/console.c b/ui/console.c index 6d2282d3e9..3a7f71021f 100644 --- a/ui/console.c +++ b/ui/console.c @@ -258,13 +258,22 @@ static void gui_setup_refresh(DisplayState *ds) ds->have_text = have_text; } +void graphic_hw_update_done(QemuConsole *con) +{ +} + void graphic_hw_update(QemuConsole *con) { + bool async = false; if (!con) { con = active_console; } if (con && con->hw_ops->gfx_update) { con->hw_ops->gfx_update(con->hw); + async = con->hw_ops->gfx_update_async; + } + if (!async) { + graphic_hw_update_done(con); } } -- 2.21.0.196.g041f5ea1cf