Adds makeSwapChain9/11 functions.

src/libGLESv2/renderer/SwapChain11.cpp

@@ -316,4 +316,11 @@ ID3D11Texture2D *SwapChain11::getOffscreenTexture()
     return mOffscreenTexture;
 }
 
+SwapChain11 *SwapChain11::makeSwapChain11(SwapChain *swapChain)
+{
+    ASSERT(dynamic_cast<rx::SwapChain11*>(swapChain) != NULL);
+    return static_cast<rx::SwapChain11*>(swapChain);
+}
+
 }
+

src/libGLESv2/renderer/SwapChain11.h

@@ -32,6 +32,8 @@ class SwapChain11 : public SwapChain
     virtual ID3D11DepthStencilView *getDepthStencil();
     virtual ID3D11Texture2D *getOffscreenTexture();
 
+    static SwapChain11 *makeSwapChain11(SwapChain *swapChain);
+
   private:
     DISALLOW_COPY_AND_ASSIGN(SwapChain11);
 

src/libGLESv2/renderer/SwapChain9.cpp

@@ -395,4 +395,10 @@ IDirect3DTexture9 *SwapChain9::getOffscreenTexture()
     return mOffscreenTexture;
 }
 
+SwapChain9 *SwapChain9::makeSwapChain9(SwapChain *swapChain)
+{
+    ASSERT(dynamic_cast<rx::SwapChain9*>(swapChain) != NULL);
+    return static_cast<rx::SwapChain9*>(swapChain);
+}
+
 }

src/libGLESv2/renderer/SwapChain9.h

@@ -32,6 +32,8 @@ class SwapChain9 : public SwapChain
     virtual IDirect3DSurface9 *getDepthStencil();
     virtual IDirect3DTexture9 *getOffscreenTexture();
 
+    static SwapChain9 *makeSwapChain9(SwapChain *swapChain);
+
   private:
     DISALLOW_COPY_AND_ASSIGN(SwapChain9);