[Tizen] partial rendering

- If there are no visited itemsDirtyRects must be keeped for dirty rects in the next frame.
- Now itemsDirtyRects are all removed, causing a flickering issue.

Change-Id: Ie8db6e47a5a70ad122c489e98f9d951e3ce89a5b

diff --git a/dali/internal/render/common/render-manager.cpp b/dali/internal/render/common/render-manager.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 116037a..5a17e4c
--- a/dali/internal/render/common/render-manager.cpp
+++ b/dali/internal/render/common/render-manager.cpp
@@ -826,7 +826,10 @@ void RenderManager::PreRender( Integration::Scene& scene, std::vector<Rect<int>>
     i++;
   }
 
-  mImpl->itemsDirtyRects.resize(j - mImpl->itemsDirtyRects.begin());
+  if( j != mImpl->itemsDirtyRects.begin() )
+  {
+    mImpl->itemsDirtyRects.resize(j - mImpl->itemsDirtyRects.begin());
+  }
   damagedRectCleaner.SetCleanOnReturn(false);
 }