ARGBBlendRow to dispatch to sse2

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/447003

git-svn-id: http://libyuv.googlecode.com/svn/trunk@213 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 212
+Version: 213
 License: BSD
 License File: LICENSE
 

include/libyuv/planar_functions.h

@@ -133,6 +133,9 @@ int ARGBCopy(const uint8* src_argb, int src_stride_argb,
              uint8* dst_argb, int dst_stride_argb,
              int width, int height);
 
+// Alpha Blend ARGB row of pixels
+void ARGBBlendRow(const uint8* src_argb, uint8* dst_argb, int width);
+
 // Alpha Blend ARGB
 int ARGBBlend(const uint8* src_argb, int src_stride_argb,
               uint8* dst_argb, int dst_stride_argb,

include/libyuv/version.h

@@ -11,7 +11,7 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 212
+#define LIBYUV_VERSION 213
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_
 

source/planar_functions.cc

@@ -140,6 +140,16 @@ int ARGBCopy(const uint8* src_argb, int src_stride_argb,
   return 0;
 }
 
+// Alpha Blend ARGB
+void ARGBBlendRow(const uint8* src_argb, uint8* dst_argb, int width) {
+#if defined(HAS_ARGBBLENDROW_SSE2)
+  if (TestCpuFlag(kCpuHasSSE2)) {
+    ARGBBlendRow_SSE2(src_argb, dst_argb, width);
+    return;
+  }
+#endif
+  ARGBBlendRow_C(src_argb, dst_argb, width);
+}
 
 // Alpha Blend ARGB
 int ARGBBlend(const uint8* src_argb, int src_stride_argb,