console: block rendering until client is done
Allow gl user interfaces to block display device gl rendering.
The ui code might want to do that in case it takes a little
longer to bring things to screen, for example because we'll
hand over a dma-buf to another process (spice will do that).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
diff --git a/ui/console.c b/ui/console.c
index fe950c6..791b4fc 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -261,6 +261,16 @@
}
}
+void graphic_hw_gl_block(QemuConsole *con, bool block)
+{
+ if (!con) {
+ con = active_console;
+ }
+ if (con && con->hw_ops->gl_block) {
+ con->hw_ops->gl_block(con->hw, block);
+ }
+}
+
void graphic_hw_invalidate(QemuConsole *con)
{
if (!con) {
