[Bf-blender-cvs] [8123b120067] blender-v2.90-release: Fix T79586: "rendering paused" not shown when viewport render starts paused

[Brecht Van Lommel]

Commit: 8123b1200674556f42e4c229de517d6ed85ea698
Author: Brecht Van Lommel
Date:   Thu Aug 6 18:34:41 2020 +0200
Branches: blender-v2.90-release
https://developer.blender.org/rB8123b1200674556f42e4c229de517d6ed85ea698

Fix T79586: "rendering paused" not shown when viewport render starts paused

===================================================================

M	intern/cycles/blender/blender_session.cpp
M	intern/cycles/render/session.cpp

===================================================================

diff --git a/intern/cycles/blender/blender_session.cpp b/intern/cycles/blender/blender_session.cpp
index ca363802919..a06030c8b7d 100644
--- a/intern/cycles/blender/blender_session.cpp
+++ b/intern/cycles/blender/blender_session.cpp
@@ -59,6 +59,7 @@ BlenderSession::BlenderSession(BL::RenderEngine &b_engine,
                                BL::BlendData &b_data,
                                bool preview_osl)
     : session(NULL),
+      scene(NULL),
       sync(NULL),
       b_engine(b_engine),
       b_userpref(b_userpref),
@@ -88,6 +89,7 @@ BlenderSession::BlenderSession(BL::RenderEngine &b_engine,
                                int width,
                                int height)
     : session(NULL),
+      scene(NULL),
       sync(NULL),
       b_engine(b_engine),
       b_userpref(b_userpref),
@@ -970,7 +972,8 @@ void BlenderSession::update_status_progress()
     remaining_time = (1.0 - (double)progress) * (render_time / (double)progress);
 
   if (background) {
-    scene_status += " | " + scene->name;
+    if (scene)
+      scene_status += " | " + scene->name;
     if (b_rlay_name != "")
       scene_status += ", " + b_rlay_name;
 
diff --git a/intern/cycles/render/session.cpp b/intern/cycles/render/session.cpp
index c5033359c6b..08a8cb08254 100644
--- a/intern/cycles/render/session.cpp
+++ b/intern/cycles/render/session.cpp
@@ -945,8 +945,14 @@ void Session::set_pause(bool pause_)
     }
   }
 
-  if (notify)
-    pause_cond.notify_all();
+  if (session_thread) {
+    if (notify) {
+      pause_cond.notify_all();
+    }
+  }
+  else if (pause_) {
+    update_status_time(pause_);
+  }
 }
 
 void Session::set_denoising(const DenoiseParams &denoising)