Libyuv MIPS DSPR2 optimizations.

source/convert_from_argb.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 82 matching lines @@
   }
 #endif
 #if defined(HAS_ARGBTOYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     ARGBToYRow = ARGBToYRow_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       ARGBToYRow = ARGBToYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_ARGBTOYROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     ARGBToYRow = ARGBToYRow_Any_MSA;
     if (IS_ALIGNED(width, 16)) {
       ARGBToYRow = ARGBToYRow_MSA;
     }
   }
 #endif
 
   for (y = 0; y < height; ++y) {
@@ skipping 69 matching lines @@
   }
 #endif
 #if defined(HAS_ARGBTOUVROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     ARGBToUVRow = ARGBToUVRow_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       ARGBToUVRow = ARGBToUVRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
+#if defined(HAS_ARGBTOUVROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToUVRow = ARGBToUVRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 16)) {
+      ARGBToUVRow = ARGBToUVRow_DSPR2;
+    }
+  }
+#endif
+
 #if defined(HAS_ARGBTOYROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     ARGBToYRow = ARGBToYRow_Any_MSA;
     if (IS_ALIGNED(width, 16)) {
       ARGBToYRow = ARGBToYRow_MSA;
     }
   }
 #endif
 #if defined(HAS_ARGBTOUVROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
@@ skipping 110 matching lines @@
   }
 #endif
 #if defined(HAS_MERGEUVROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     MergeUVRow_ = MergeUVRow_Any_NEON;
     if (IS_ALIGNED(halfwidth, 16)) {
       MergeUVRow_ = MergeUVRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
+#if defined(HAS_ARGBTOUVROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToUVRow = ARGBToUVRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 16)) {
+      ARGBToUVRow = ARGBToUVRow_DSPR2;
+    }
+  }
+#endif
   {
     // Allocate a rows of uv.
     align_buffer_64(row_u, ((halfwidth + 31) & ~31) * 2);
     uint8* row_v = row_u + ((halfwidth + 31) & ~31);
 
     for (y = 0; y < height - 1; y += 2) {
       ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
       MergeUVRow_(row_u, row_v, dst_uv, halfwidth);
       ARGBToYRow(src_argb, dst_y, width);
       ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
@@ skipping 107 matching lines @@
   }
 #endif
 #if defined(HAS_MERGEUVROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     MergeUVRow_ = MergeUVRow_Any_NEON;
     if (IS_ALIGNED(halfwidth, 16)) {
       MergeUVRow_ = MergeUVRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
+#if defined(HAS_ARGBTOUVROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToUVRow = ARGBToUVRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 16)) {
+      ARGBToUVRow = ARGBToUVRow_DSPR2;
+    }
+  }
+#endif
   {
     // Allocate a rows of uv.
     align_buffer_64(row_u, ((halfwidth + 31) & ~31) * 2);
     uint8* row_v = row_u + ((halfwidth + 31) & ~31);
 
     for (y = 0; y < height - 1; y += 2) {
       ARGBToUVRow(src_argb, src_stride_argb, row_u, row_v, width);
       MergeUVRow_(row_v, row_u, dst_uv, halfwidth);
       ARGBToYRow(src_argb, dst_y, width);
       ARGBToYRow(src_argb + src_stride_argb, dst_y + dst_stride_y, width);
@@ skipping 104 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOYUY2ROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToYUY2Row = I422ToYUY2Row_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToYUY2Row = I422ToYUY2Row_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
+#if defined(HAS_ARGBTOUVROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToUVRow = ARGBToUVRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 16)) {
+      ARGBToUVRow = ARGBToUVRow_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_I422TOYUY2ROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     I422ToYUY2Row = I422ToYUY2Row_Any_MSA;
     if (IS_ALIGNED(width, 32)) {
       I422ToYUY2Row = I422ToYUY2Row_MSA;
     }
   }
 #endif
 
   {
@@ skipping 108 matching lines @@
   }
 #endif
 #if defined(HAS_I422TOUYVYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     I422ToUYVYRow = I422ToUYVYRow_Any_NEON;
     if (IS_ALIGNED(width, 16)) {
       I422ToUYVYRow = I422ToUYVYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
+#if defined(HAS_ARGBTOUVROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToUVRow = ARGBToUVRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 16)) {
+      ARGBToUVRow = ARGBToUVRow_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_I422TOUYVYROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     I422ToUYVYRow = I422ToUYVYRow_Any_MSA;
     if (IS_ALIGNED(width, 32)) {
       I422ToUYVYRow = I422ToUYVYRow_MSA;
     }
   }
 #endif
 
   {
@@ skipping 57 matching lines @@
   }
 #endif
 #if defined(HAS_ARGBTOYROW_NEON)
   if (TestCpuFlag(kCpuHasNEON)) {
     ARGBToYRow = ARGBToYRow_Any_NEON;
     if (IS_ALIGNED(width, 8)) {
       ARGBToYRow = ARGBToYRow_NEON;
     }
   }
 #endif
+#if defined(HAS_ARGBTOYROW_DSPR2)
+  if (TestCpuFlag(kCpuHasDSPR2)) {
+    ARGBToYRow = ARGBToYRow_Any_DSPR2;
+    if (IS_ALIGNED(width, 8)) {
+      ARGBToYRow = ARGBToYRow_DSPR2;
+    }
+  }
+#endif
 #if defined(HAS_ARGBTOYROW_MSA)
   if (TestCpuFlag(kCpuHasMSA)) {
     ARGBToYRow = ARGBToYRow_Any_MSA;
     if (IS_ALIGNED(width, 16)) {
       ARGBToYRow = ARGBToYRow_MSA;
     }
   }
 #endif
 
   for (y = 0; y < height; ++y) {
@@ skipping 618 matching lines @@
     src_argb += src_stride_argb;
     dst_yj += dst_stride_yj;
   }
   return 0;
 }
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif