[3/9] wined3d:Cleanup ActiveRender some more

[H. Verbeet]

The tmp surface is unnecessary

Changelog:
  - Cleanup ActiveRender some more
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 dlls/wined3d/device.c |   10 +++++-----
 1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 14fc091..58047e0 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -7453,7 +7453,6 @@ static HRESULT WINAPI IWineD3DDeviceImpl
 #if defined(GL_VERSION_1_3)
 
     IWineD3DDeviceImpl *This = (IWineD3DDeviceImpl *)iface;
-    IWineD3DSurface *tmp;
     GLXFBConfig* cfgs = NULL;
     IWineD3DSwapChain     *currentSwapchain;
     IWineD3DSwapChainImpl *currentSwapchainImpl;
@@ -7615,10 +7614,11 @@ #if defined(GL_VERSION_1_3)
     }
 
     /* Replace the render target */
-    tmp = This->renderTarget;
-    This->renderTarget = RenderSurface;
-    IWineD3DSurface_AddRef(This->renderTarget);
-    IWineD3DSurface_Release(tmp);
+    if (This->renderTarget != RenderSurface) {
+        IWineD3DSurface_Release(This->renderTarget);
+        This->renderTarget = RenderSurface;
+        IWineD3DSurface_AddRef(RenderSurface);
+    }
 
     if (cfgs != NULL)                   XFree(cfgs);
     if (implicitSwapchain != NULL)       IWineD3DSwapChain_Release(implicitSwapchain);