Libyuv MIPS DSPR2 optimizations.

include/libyuv/scale_row.h

 /*
  *  Copyright 2013 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 83 matching lines @@
 #define HAS_SCALEARGBFILTERCOLS_NEON
 #endif
 
 // The following are available on Mips platforms:
 #if !defined(LIBYUV_DISABLE_MIPS) && !defined(__native_client__) && \
     defined(__mips__) && defined(__mips_dsp) && (__mips_dsp_rev >= 2)
 #define HAS_SCALEROWDOWN2_DSPR2
 #define HAS_SCALEROWDOWN4_DSPR2
 #define HAS_SCALEROWDOWN34_DSPR2
 #define HAS_SCALEROWDOWN38_DSPR2
+#define HAS_SCALEADDROW_DSPR2
 #endif
 
 #if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
 #define HAS_SCALEARGBROWDOWN2_MSA
 #define HAS_SCALEARGBROWDOWNEVEN_MSA
 #endif
 
 // Scale ARGB vertically with bilinear interpolation.
 void ScalePlaneVertical(int src_height,
                         int dst_width,
@@ skipping 721 matching lines @@
                           uint8* dst,
                           int dst_width);
 void ScaleRowDown38_2_Box_DSPR2(const uint8* src_ptr,
                                 ptrdiff_t src_stride,
                                 uint8* dst_ptr,
                                 int dst_width);
 void ScaleRowDown38_3_Box_DSPR2(const uint8* src_ptr,
                                 ptrdiff_t src_stride,
                                 uint8* dst_ptr,
                                 int dst_width);
+void ScaleAddRow_DSPR2(const uint8* src_ptr, uint16* dst_ptr, int src_width);
+void ScaleAddRow_Any_DSPR2(const uint8* src_ptr, uint16* dst_ptr,
+                           int src_width);
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif
 
 #endif  // INCLUDE_LIBYUV_SCALE_ROW_H_