Render window: Jkey (swap display buffers) works as 2.41 again. Meaning,

it keeps storing a previous buffer for as long you don't render showing
this previous buffer.
If you render showing the previous buffer, it stores the current render.

To make this more clear, the window title shows "previous" when it shows
the stored copy.

1 files changed, 4 insertions, 3 deletions

diff --git a/source/blender/src/renderwin.c b/source/blender/src/renderwin.c
index e0cefbf2ae2..9254b0405c2 100644
--- a/source/blender/src/renderwin.c
+++ b/source/blender/src/renderwin.c
@@ -596,8 +596,8 @@ static char *renderwin_get_title(int doswap)
 	swap+= doswap;
 	
 	if(swap & 1) {
-		if (G.scene->r.renderer==R_YAFRAY) title = "YafRay:Render (previous frame)";
-		else title = "Blender:Render (previous frame)";
+		if (G.scene->r.renderer==R_YAFRAY) title = "YafRay:Render (previous)";
+		else title = "Blender:Render (previous)";
 	}
 	else {
 		if (G.scene->r.renderer==R_YAFRAY) title = "YafRay:Render";
@@ -1203,7 +1203,8 @@ void BIF_do_render(int anim)
 		}
 	}
 	
-	renderwin_store_spare();
+	if(render_win && render_win->showspare)
+		renderwin_store_spare();
 
 	do_render(anim);