Add MSA optimized ARGB Attenuate/RGB565/Shuffle/Shader/Gray/Sepia row functions

source/convert_from.cc

 /*
  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 958 matching lines @@
   }
 #endif
 #if defined(HAS_ARGBTORGB565DITHERROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTORGB565DITHERROW_MSA)
+  if (TestCpuFlag(kCpuHasMSA)) {
+    ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_Any_MSA;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToRGB565DitherRow = ARGBToRGB565DitherRow_MSA;
+    }
+  }
+#endif
   {
     // Allocate a row of argb.
     align_buffer_64(row_argb, width * 4);
     for (y = 0; y < height; ++y) {
       I422ToARGBRow(src_y, src_u, src_v, row_argb, &kYuvI601Constants, width);
       ARGBToRGB565DitherRow(row_argb, dst_rgb565,
                             *(uint32*)(dither4x4 + ((y & 3) << 2)),
                             width);  // NOLINT
       dst_rgb565 += dst_stride_rgb565;
       src_y += src_stride_y;
@@ skipping 158 matching lines @@
     default:
       return -1;  // unknown fourcc - return failure code.
   }
   return r;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif