[Bf-blender-cvs] [d0aae79] master: Cycles: More instant feedback on progressive rendering for first sample

[Sergey Sharybin]

Commit: d0aae79505ad2542677c0b4ed791e88a613c597e
Author: Sergey Sharybin
Date:   Mon Apr 6 19:28:25 2015 +0500
Branches: master
https://developer.blender.org/rBd0aae79505ad2542677c0b4ed791e88a613c597e

Cycles: More instant feedback on progressive rendering for first sample

Main purpose of this change is to make material preview appearing more
instant after the shader tweaks.

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

M	intern/cycles/render/session.cpp

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

diff --git a/intern/cycles/render/session.cpp b/intern/cycles/render/session.cpp
index 65b73eb..5b3826c 100644
--- a/intern/cycles/render/session.cpp
+++ b/intern/cycles/render/session.cpp
@@ -891,7 +891,7 @@ bool Session::update_progressive_refine(bool cancel)
 
 	if(current_time - last_update_time < params.progressive_update_timeout) {
 		/* if last sample was processed, we need to write buffers anyway  */
-		if(!write)
+		if(!write && sample != 1)
 			return false;
 	}