Split opts_check_arm.cpp into per-class files

src/opts/SkMorphology_opts_arm.cpp

+/*
+ * Copyright 2014 ARM Ltd.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkMorphology_opts.h"
+#include "SkMorphology_opts_neon.h"
+#include "SkUtilsArm.h"
+
+SkMorphologyImageFilter::Proc SkMorphologyGetPlatformProc(SkMorphologyProcType type) {
+#if SK_ARM_NEON_IS_NONE
+    return NULL;
+#else
+#if SK_ARM_NEON_IS_DYNAMIC
+    if (!sk_cpu_arm_has_neon()) {
+        return NULL;
+    }
+#endif
+    switch (type) {
+        case kDilateX_SkMorphologyProcType:
+            return SkDilateX_neon;
+        case kDilateY_SkMorphologyProcType:
+            return SkDilateY_neon;
+        case kErodeX_SkMorphologyProcType:
+            return SkErodeX_neon;
+        case kErodeY_SkMorphologyProcType:
+            return SkErodeY_neon;
+        default:
+            return NULL;
+    }
+#endif
+}