From 47d5e1f40e25394950c91af67ba9112b5e3c1979 Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Dec 09 2020 15:30:00 +0000
Subject: cursor-only-frame-fixes.patch


patch_name: cursor-only-frame-fixes.patch
present_in_specfile: true
location_in_specfile: 6

---

diff --git a/src/grd-session-vnc.c b/src/grd-session-vnc.c
index 9fcbb69..7950d1e 100644
--- a/src/grd-session-vnc.c
+++ b/src/grd-session-vnc.c
@@ -180,6 +180,12 @@ grd_session_vnc_take_buffer (GrdSessionVnc *session_vnc,
 }
 
 void
+grd_session_vnc_flush (GrdSessionVnc *session_vnc)
+{
+  rfbProcessEvents (session_vnc->rfb_screen, 0);
+}
+
+void
 grd_session_vnc_set_cursor (GrdSessionVnc *session_vnc,
                             rfbCursorPtr   rfb_cursor)
 {
diff --git a/src/grd-session-vnc.h b/src/grd-session-vnc.h
index 294860e..a065857 100644
--- a/src/grd-session-vnc.h
+++ b/src/grd-session-vnc.h
@@ -49,6 +49,8 @@ void grd_session_vnc_queue_resize_framebuffer (GrdSessionVnc *session_vnc,
 void grd_session_vnc_take_buffer (GrdSessionVnc *session_vnc,
                                   void          *data);
 
+void grd_session_vnc_flush (GrdSessionVnc *session_vnc);
+
 void grd_session_vnc_set_cursor (GrdSessionVnc *session_vnc,
                                  rfbCursorPtr   rfb_cursor);
 
diff --git a/src/grd-vnc-pipewire-stream.c b/src/grd-vnc-pipewire-stream.c
index a3f5fb6..791b71d 100644
--- a/src/grd-vnc-pipewire-stream.c
+++ b/src/grd-vnc-pipewire-stream.c
@@ -299,6 +299,8 @@ do_render (struct spa_loop *loop,
 
   if (frame->data)
     grd_session_vnc_take_buffer (stream->session, frame->data);
+  else
+    grd_session_vnc_flush (stream->session);
 
   g_free (frame);
 
@@ -312,7 +314,6 @@ process_buffer (GrdVncPipeWireStream *stream,
   size_t size;
   uint8_t *map;
   void *src_data;
-  int y;
   struct spa_meta_cursor *spa_meta_cursor;
   g_autofree GrdVncFrame *frame = NULL;
 
@@ -320,8 +321,8 @@ process_buffer (GrdVncPipeWireStream *stream,
 
   if (buffer->datas[0].chunk->size == 0)
     {
-      g_warning ("Received empty buffer");
-      return NULL;
+      map = NULL;
+      src_data = NULL;
     }
   else if (buffer->datas[0].type == SPA_DATA_MemFd)
     {
@@ -367,6 +368,7 @@ process_buffer (GrdVncPipeWireStream *stream,
       int src_stride;
       int dst_stride;
       int height;
+      int y;
 
       src_stride = buffer->datas[0].chunk->stride;
       dst_stride = grd_session_vnc_get_framebuffer_stride (stream->session);