[gnome-remote-desktop] session-rdp: Add API to notify a GFX protocol reset

[Jonas Ådahl <jadahl src gnome org>]

commit 8344d5f92e292d872483024cdb7d81986006805f
Author: Pascal Nowack <Pascal Nowack gmx de>
Date:   Mon Mar 22 18:28:43 2021 +0100

    session-rdp: Add API to notify a GFX protocol reset
    
    The graphics pipeline will use this API later to indicate a protocol
    reset.
    This will happen, when the RDP client resets the protocol by using the
    CapsAdvertise PDU.

 src/grd-session-rdp.c | 9 +++++++++
 src/grd-session-rdp.h | 2 ++
 2 files changed, 11 insertions(+)
---
diff --git a/src/grd-session-rdp.c b/src/grd-session-rdp.c
index 44bedb5..a4396f8 100644
--- a/src/grd-session-rdp.c
+++ b/src/grd-session-rdp.c
@@ -210,6 +210,15 @@ unset_rdp_peer_flag (RdpPeerContext *rdp_peer_context,
   g_mutex_unlock (&rdp_peer_context->flags_mutex);
 }
 
+void
+grd_session_rdp_notify_graphics_pipeline_reset (GrdSessionRdp *session_rdp)
+{
+  freerdp_peer *peer = session_rdp->peer;
+  RdpPeerContext *rdp_peer_context = (RdpPeerContext *) peer->context;
+
+  set_rdp_peer_flag (rdp_peer_context, RDP_PEER_PENDING_GFX_INIT);
+}
+
 void
 grd_session_rdp_notify_graphics_pipeline_ready (GrdSessionRdp *session_rdp)
 {
diff --git a/src/grd-session-rdp.h b/src/grd-session-rdp.h
index 465bccf..61dc806 100644
--- a/src/grd-session-rdp.h
+++ b/src/grd-session-rdp.h
@@ -38,6 +38,8 @@ GrdSessionRdp *grd_session_rdp_new (GrdRdpServer      *rdp_server,
 void grd_session_rdp_notify_error (GrdSessionRdp *session_rdp,
                                    uint32_t       error_info);
 
+void grd_session_rdp_notify_graphics_pipeline_reset (GrdSessionRdp *session_rdp);
+
 void grd_session_rdp_notify_graphics_pipeline_ready (GrdSessionRdp *session_rdp);
 
 int grd_session_rdp_get_stride_for_width (GrdSessionRdp *session_rdp,