Add MSA optimized remaining scale row functions

include/libyuv/scale_row.h

Index: include/libyuv/scale_row.h
diff --git a/include/libyuv/scale_row.h b/include/libyuv/scale_row.h
index 24471920ef01cb4d06264ec791f29ecc70fe6928..77ce96ed5f90bc8b053b7921679c35daf3a1b9e6 100644
--- a/include/libyuv/scale_row.h
+++ b/include/libyuv/scale_row.h
@@ -106,6 +106,10 @@ extern "C" {
 #if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
 #define HAS_SCALEARGBROWDOWN2_MSA
 #define HAS_SCALEARGBROWDOWNEVEN_MSA
+#define HAS_SCALEROWDOWN2_MSA
+#define HAS_SCALEROWDOWN4_MSA
+#define HAS_SCALEROWDOWN38_MSA
+#define HAS_SCALEADDROW_MSA
 #endif
 
 // Scale ARGB vertically with bilinear interpolation.
@@ -843,6 +847,75 @@ void ScaleRowDown38_3_Box_DSPR2(const uint8* src_ptr,
                                 uint8* dst_ptr,
                                 int dst_width);
 
+void ScaleRowDown2_MSA(const uint8_t* src_ptr,
+                       ptrdiff_t src_stride,
+                       uint8_t* dst,
+                       int dst_width);
+void ScaleRowDown2Linear_MSA(const uint8_t* src_ptr,
+                             ptrdiff_t src_stride,
+                             uint8_t* dst,
+                             int dst_width);
+void ScaleRowDown2Box_MSA(const uint8_t* src_ptr,
+                          ptrdiff_t src_stride,
+                          uint8_t* dst,
+                          int dst_width);
+void ScaleRowDown4_MSA(const uint8_t* src_ptr,
+                       ptrdiff_t src_stride,
+                       uint8_t* dst,
+                       int dst_width);
+void ScaleRowDown4Box_MSA(const uint8_t* src_ptr,
+                          ptrdiff_t src_stride,
+                          uint8_t* dst,
+                          int dst_width);
+void ScaleRowDown38_MSA(const uint8_t* src_ptr,
+                        ptrdiff_t src_stride,
+                        uint8_t* dst,
+                        int dst_width);
+void ScaleRowDown38_2_Box_MSA(const uint8_t* src_ptr,
+                              ptrdiff_t src_stride,
+                              uint8_t* dst_ptr,
+                              int dst_width);
+void ScaleRowDown38_3_Box_MSA(const uint8_t* src_ptr,
+                              ptrdiff_t src_stride,
+                              uint8_t* dst_ptr,
+                              int dst_width);
+void ScaleAddRow_MSA(const uint8_t* src_ptr, uint16_t* dst_ptr, int src_width);
+void ScaleRowDown2_Any_MSA(const uint8_t* src_ptr,
+                           ptrdiff_t src_stride,
+                           uint8_t* dst,
+                           int dst_width);
+void ScaleRowDown2Linear_Any_MSA(const uint8_t* src_ptr,
+                             ptrdiff_t src_stride,
+                             uint8_t* dst,
+                             int dst_width);
+void ScaleRowDown2Box_Any_MSA(const uint8_t* src_ptr,
+                              ptrdiff_t src_stride,
+                              uint8_t* dst,
+                              int dst_width);
+void ScaleRowDown4_Any_MSA(const uint8_t* src_ptr,
+                           ptrdiff_t src_stride,
+                           uint8_t* dst,
+                           int dst_width);
+void ScaleRowDown4Box_Any_MSA(const uint8_t* src_ptr,
+                              ptrdiff_t src_stride,
+                              uint8_t* dst,
+                              int dst_width);
+void ScaleRowDown38_Any_MSA(const uint8_t* src_ptr,
+                            ptrdiff_t src_stride,
+                            uint8_t* dst,
+                            int dst_width);
+void ScaleRowDown38_2_Box_Any_MSA(const uint8_t* src_ptr,
+                                  ptrdiff_t src_stride,
+                                  uint8_t* dst_ptr,
+                                  int dst_width);
+void ScaleRowDown38_3_Box_Any_MSA(const uint8_t* src_ptr,
+                                  ptrdiff_t src_stride,
+                                  uint8_t* dst_ptr,
+                                  int dst_width);
+void ScaleAddRow_Any_MSA(const uint8_t* src_ptr,
+                         uint16_t* dst_ptr,
+                         int src_width);
+
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv