Fix for loss of context on Android not recreating the VAOs

Author: ScottDownie-Tag

Documents/ChangeLog.md

@@ -1,6 +1,10 @@
 ChilliSource Change Log
 =======================
 
+Version 2.2.1, 2017-03-14
+-------------------------
+* HotFix: Fix for potential issue of the vertex attribute objects not being rebuilt when the context is lost on Android
+
 Version 2.2.0, 2017-03-14
 -------------------------
 * Removed: Render component factory. Just use the constructors of the render components instead (to replicate CreatePerspectiveCamera pass screenWidth/screenHeight for aspect ratio)

Source/CSBackend/Rendering/OpenGL/Model/GLMesh.cpp

@@ -132,9 +132,14 @@ namespace CSBackend
         //------------------------------------------------------------------------------
         void GLMesh::Restore() noexcept
         {
-            if(m_vertexDataBackup && m_invalidData)
+            if(m_invalidData == true)
             {
-                BuildMesh(m_vertexDataBackup.get(), m_vertexDataSize, m_indexDataBackup.get(), m_indexDataSize);
+                m_vaoCache.clear();
+                
+                if(m_vertexDataBackup)
+                {
+                    BuildMesh(m_vertexDataBackup.get(), m_vertexDataSize, m_indexDataBackup.get(), m_indexDataSize);
+                }
 
                 m_invalidData = false;
             }

readme.md

@@ -1,6 +1,6 @@
 ![alt link](Documents/Images/ChilliSourceLogo.png)
 
-ChilliSource v2.2.0
+ChilliSource v2.2.1
 ====================
 
 ChilliSource is an open source, cross-platform game engine designed by game developers for game developers. It is completely free to use (now and forever), released under the MIT License.