Implement display_mode message needed for backwards compat

1 files changed, 12 insertions, 0 deletions

diff --git a/client/display_channel.cpp b/client/display_channel.cpp
index 67c3083e..736e9fba 100644
--- a/client/display_channel.cpp
+++ b/client/display_channel.cpp
@@ -615,6 +615,7 @@ DisplayChannel::DisplayChannel(RedClient& client, uint32_t id,
     handler->set_handler(SPICE_MSG_DISCONNECTING, &DisplayChannel::handle_disconnect);
     handler->set_handler(SPICE_MSG_NOTIFY, &DisplayChannel::handle_notify);
 
+    handler->set_handler(SPICE_MSG_DISPLAY_MODE, &DisplayChannel::handle_mode);
     handler->set_handler(SPICE_MSG_DISPLAY_MARK, &DisplayChannel::handle_mark);
     handler->set_handler(SPICE_MSG_DISPLAY_RESET, &DisplayChannel::handle_reset);
 
@@ -1195,6 +1196,17 @@ void DisplayChannel::create_canvas(int surface_id, const std::vector<int>& canva
     }
 }
 
+void DisplayChannel::handle_mode(RedPeer::InMessage* message)
+{
+    SpiceMsgDisplayMode *mode = (SpiceMsgDisplayMode *)message->data();
+
+    if (screen()) {
+        destroy_primary_surface();
+    }
+    create_primary_surface(mode->x_res, mode->y_res,
+                           mode->bits == 32 ? SPICE_SURFACE_FMT_32_xRGB : SPICE_SURFACE_FMT_16_555);
+}
+
 void DisplayChannel::handle_mark(RedPeer::InMessage *message)
 {
     _mark = true;