wined3d: Activate context before applying fbo state.

dlls/wined3d/device.c

@@ -4415,16 +4415,13 @@ static HRESULT WINAPI IWineD3DDeviceImpl_Clear(IWineD3DDevice *iface, DWORD Coun
     /* This is for offscreen rendering as well as for multithreading, thus activate the set render target
      * and not the last active one.
      */
+    ActivateContext(This, This->render_targets[0], CTXUSAGE_CLEAR);
+    ENTER_GL();
 
     if (wined3d_settings.offscreen_rendering_mode == ORM_FBO) {
-        ENTER_GL();
         apply_fbo_state(iface);
-        LEAVE_GL();
     }
 
-    ActivateContext(This, This->render_targets[0], CTXUSAGE_CLEAR);
-    ENTER_GL();
-
     if (Count > 0 && pRects) {
         curRect = pRects;
     } else {