MirrorAny functions so assembly can always be used.

BUG=none
TESTED=untested
R=harryjin@google.com

Review URL: https://webrtc-codereview.appspot.com/29069004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@1170 16f28f9a-4ce2-e073-06de-1de4eb20be90

README.chromium

 Name: libyuv
 URL: http://code.google.com/p/libyuv/
-Version: 1169
+Version: 1170
 License: BSD
 License File: LICENSE
 

include/libyuv/row.h

@@ -822,6 +822,10 @@ void MirrorRow_SSE2(const uint8* src, uint8* dst, int width);
 void MirrorRow_NEON(const uint8* src, uint8* dst, int width);
 void MirrorRow_MIPS_DSPR2(const uint8* src, uint8* dst, int width);
 void MirrorRow_C(const uint8* src, uint8* dst, int width);
+void MirrorRow_Any_AVX2(const uint8* src, uint8* dst, int width);
+void MirrorRow_Any_SSSE3(const uint8* src, uint8* dst, int width);
+void MirrorRow_Any_SSE2(const uint8* src, uint8* dst, int width);
+void MirrorRow_Any_NEON(const uint8* src, uint8* dst, int width);
 
 void MirrorUVRow_SSSE3(const uint8* src_uv, uint8* dst_u, uint8* dst_v,
                        int width);

include/libyuv/version.h

@@ -11,6 +11,6 @@
 #ifndef INCLUDE_LIBYUV_VERSION_H_  // NOLINT
 #define INCLUDE_LIBYUV_VERSION_H_
 
-#define LIBYUV_VERSION 1169
+#define LIBYUV_VERSION 1170
 
 #endif  // INCLUDE_LIBYUV_VERSION_H_  NOLINT

source/planar_functions.cc

@@ -240,23 +240,43 @@ void MirrorPlane(const uint8* src_y, int src_stride_y,
     src_stride_y = -src_stride_y;
   }
 #if defined(HAS_MIRRORROW_NEON)
-  if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_NEON;
+  if (TestCpuFlag(kCpuHasNEON)) {
+    MirrorRow = MirrorRow_Any_NEON;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_NEON;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_SSE2)
-  if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_SSE2;
+  if (TestCpuFlag(kCpuHasSSE2)) {
+    MirrorRow = MirrorRow_Any_SSE2;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_SSE2;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_SSSE3)
-  if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_SSSE3;
+  if (TestCpuFlag(kCpuHasSSSE3)) {
+    MirrorRow = MirrorRow_Any_SSSE3;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_SSSE3;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_AVX2)
-  if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 32)) {
-    MirrorRow = MirrorRow_AVX2;
+  if (TestCpuFlag(kCpuHasAVX2)) {
+    MirrorRow = MirrorRow_Any_AVX2;
+    if (IS_ALIGNED(width, 32)) {
+      MirrorRow = MirrorRow_AVX2;
+    }
+  }
+#endif
+// TODO(fbarchard): Mirror on mips handle unaligned memory.
+#if defined(HAS_MIRRORROW_MIPS_DSPR2)
+  if (TestCpuFlag(kCpuHasMIPS_DSPR2) &&
+      IS_ALIGNED(src, 4) && IS_ALIGNED(src_stride, 4) &&
+      IS_ALIGNED(dst, 4) && IS_ALIGNED(dst_stride, 4)) {
+    MirrorRow = MirrorRow_MIPS_DSPR2;
   }
 #endif
 

source/rotate.cc

@@ -879,23 +879,35 @@ void RotatePlane180(const uint8* src, int src_stride,
   void (*MirrorRow)(const uint8* src, uint8* dst, int width) = MirrorRow_C;
   void (*CopyRow)(const uint8* src, uint8* dst, int width) = CopyRow_C;
 #if defined(HAS_MIRRORROW_NEON)
-  if (TestCpuFlag(kCpuHasNEON) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_NEON;
+  if (TestCpuFlag(kCpuHasNEON)) {
+    MirrorRow = MirrorRow_Any_NEON;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_NEON;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_SSE2)
-  if (TestCpuFlag(kCpuHasSSE2) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_SSE2;
+  if (TestCpuFlag(kCpuHasSSE2)) {
+    MirrorRow = MirrorRow_Any_SSE2;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_SSE2;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_SSSE3)
-  if (TestCpuFlag(kCpuHasSSSE3) && IS_ALIGNED(width, 16)) {
-    MirrorRow = MirrorRow_SSSE3;
+  if (TestCpuFlag(kCpuHasSSSE3)) {
+    MirrorRow = MirrorRow_Any_SSSE3;
+    if (IS_ALIGNED(width, 16)) {
+      MirrorRow = MirrorRow_SSSE3;
+    }
   }
 #endif
 #if defined(HAS_MIRRORROW_AVX2)
-  if (TestCpuFlag(kCpuHasAVX2) && IS_ALIGNED(width, 32)) {
-    MirrorRow = MirrorRow_AVX2;
+  if (TestCpuFlag(kCpuHasAVX2)) {
+    MirrorRow = MirrorRow_Any_AVX2;
+    if (IS_ALIGNED(width, 32)) {
+      MirrorRow = MirrorRow_AVX2;
+    }
   }
 #endif
 // TODO(fbarchard): Mirror on mips handle unaligned memory.

source/row_any.cc

@@ -621,6 +621,34 @@ NANY(InterpolateRow_Any_MIPS_DSPR2, InterpolateRow_MIPS_DSPR2, InterpolateRow_C,
 #endif
 #undef NANY
 
+
+
+#define MANY(NAMEANY, MIRROR_SIMD, MIRROR_C, BPP, MASK)                        \
+    void NAMEANY(const uint8* src_y, uint8* dst_y, int width) {                \
+      int n = width & ~MASK;                                                   \
+      int r = width & MASK;                                                    \
+      if (n > 0) {                                                             \
+        MIRROR_SIMD(src_y, dst_y + r * BPP, n);                                \
+      }                                                                        \
+      MIRROR_C(src_y + n * BPP, dst_y, r);                                     \
+    }
+
+#ifdef HAS_MIRRORROW_AVX2
+MANY(MirrorRow_Any_AVX2, MirrorRow_AVX2, MirrorRow_C, 1, 31)
+#endif
+#ifdef HAS_MIRRORROW_SSSE3
+MANY(MirrorRow_Any_SSSE3, MirrorRow_SSSE3, MirrorRow_C, 1, 15)
+#endif
+#ifdef HAS_MIRRORROW_SSE2
+MANY(MirrorRow_Any_SSE2, MirrorRow_SSE2, MirrorRow_C, 1, 15)
+#endif
+#ifdef HAS_MIRRORROW_NEON
+MANY(MirrorRow_Any_NEON, MirrorRow_NEON, MirrorRow_C, 1, 15)
+#endif
+
+#undef MANY
+
+
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv