display : change wormhole calculation for swap rect

In case of swap rect use case ,wormhole rect will
be same as  dirty rect (if has any blending)

Change-Id: Id2ee34d860207c440a033010460723fe964f7074
diff --git a/libqdutils/cb_swap_rect.h b/libqdutils/cb_swap_rect.h
new file mode 100644
index 0000000..daaeb37
--- /dev/null
+++ b/libqdutils/cb_swap_rect.h
@@ -0,0 +1,51 @@
+/* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+* Redistribution and use in source and binary forms, with or without
+* * modification, are permitted provided that the following conditions are
+* met:
+*   * Redistributions of source code must retain the above copyrigh
+*     notice, this list of conditions and the following disclaimer
+*   * Redistributions in binary form must reproduce the above
+*     copyright notice, this list of conditions and the following
+*     disclaimer in the documentation and/or other materials provided
+*     with the distribution.
+*   * Neither the name of The Linux Foundation nor the names of its
+*     contributors may be used to endorse or promote products derived
+*     from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+* * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#ifndef CB_SWAP_RECT
+#define CB_SWAP_RECT
+
+#include <stdint.h>
+#include <utils/Singleton.h>
+#include <cutils/log.h>
+
+using namespace android;
+namespace qdutils {
+enum {
+HWC_SKIP_HWC_COMPOSITION = 0x00040000,
+};
+
+class cb_swap_rect : public Singleton <cb_swap_rect>
+{
+   bool swap_rect_feature_on;
+   public :
+   cb_swap_rect();
+   void setSwapRectFeature_on( bool value);
+   bool checkSwapRectFeature_on();
+};
+} // namespace qdutils
+#endif