From f4f2805ef8938565973864a7e5fd1207e074460e Mon Sep 17 00:00:00 2001 From: Marc-André Lureau Date: Tue, 16 Feb 2021 13:20:56 +0400 Subject: spice: flush drawing before notifying client This solves the client having slow/outdated VGA/2D console. It's a regression introduced when the code was switched to render it via opengl in commit 4423184376d ("spice/gl: render DisplaySurface via opengl") Signed-off-by: Marc-André Lureau Message-Id: <20210216092056.2301293-2-marcandre.lureau@redhat.com> Signed-off-by: Gerd Hoffmann --- ui/spice-display.c | 1 + 1 file changed, 1 insertion(+) diff --git a/ui/spice-display.c b/ui/spice-display.c index d562c64084..ad93b953a9 100644 --- a/ui/spice-display.c +++ b/ui/spice-display.c @@ -846,6 +846,7 @@ static void spice_gl_refresh(DisplayChangeListener *dcl) graphic_hw_update(dcl->con); if (ssd->gl_updates && ssd->have_surface) { qemu_spice_gl_block(ssd, true); + glFlush(); cookie = (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_GL_DRAW_DONE, 0); spice_qxl_gl_draw_async(&ssd->qxl, 0, 0, surface_width(ssd->ds), -- cgit v1.2.3-55-g7522