avoiding exceptions when context was lost while creating filter or dr…

…awing to RenderTexture (closes Gamua#642, closes Gamua#643)
Oldes · Dec 3, 2014 · ddb866b · ddb866b
1 parent a9c6266
commit ddb866b
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/starling/src/starling/filters/FragmentFilter.as b/starling/src/starling/filters/FragmentFilter.as
@@ -143,8 +143,9 @@ package starling.filters
 
             mIndexData = new <uint>[0, 1, 2, 1, 3, 2];
             mIndexData.fixed = true;
-
-            createPrograms();
+
+            if (Starling.current.contextValid)
+                createPrograms();
 
             // Handle lost context. By using the conventional event, we can make it weak; this  
             // avoids memory leaks when people forget to call "dispose" on the filter.

diff --git a/starling/src/starling/textures/RenderTexture.as b/starling/src/starling/textures/RenderTexture.as
@@ -220,6 +220,7 @@ package starling.textures
 			/*
             var context:Context3D = Starling.context;
             if (context == null) throw new MissingContextError();
+            if (!Starling.current.contextValid) return;
             
             // switch buffers
             if (isDoubleBuffered)
@@ -266,6 +267,7 @@ package starling.textures
         {
             var context:Context3D = Starling.context;
             if (context == null) throw new MissingContextError();
+            if (!Starling.current.contextValid) return;
 
             mSupport.renderTarget = mActiveTexture;
             mSupport.clear(rgb, alpha);