Flesh out SkOpts namespaces.

src/core/SkOpts.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCpu.h"
 #include "SkHalf.h"
 #include "SkOnce.h"
 #include "SkOpts.h"
 
 #if defined(SK_ARM_HAS_NEON)
-    #define SK_OPTS_NS neon
+    #if defined(__ARM_FEATURE_CRC32)
+        #define SK_OPTS_NS neon_and_crc32
+    #else
+        #define SK_OPTS_NS neon
+    #endif
+#elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX2
+    #define SK_OPTS_NS avx2
+#elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_AVX
+    #define SK_OPTS_NS avx
+#elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE42
+    #define SK_OPTS_NS sse42
+#elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE41
+    #define SK_OPTS_NS sse41
 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSSE3
     #define SK_OPTS_NS ssse3
 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE3
     #define SK_OPTS_NS sse3
 #elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE2
     #define SK_OPTS_NS sse2
+#elif SK_CPU_SSE_LEVEL >= SK_CPU_SSE_LEVEL_SSE1
+    #define SK_OPTS_NS sse
 #else
     #define SK_OPTS_NS portable
 #endif
 
 #include "SkBlend_opts.h"
 #include "SkBlitMask_opts.h"
 #include "SkBlitRow_opts.h"
 #include "SkBlurImageFilter_opts.h"
 #include "SkChecksum_opts.h"
 #include "SkColorCubeFilter_opts.h"
@@ skipping 66 matching lines @@
 
     #endif
 #endif
     }
 
     void Init() {
         static SkOnce once;
         once(init);
     }
 }  // namespace SkOpts