4f linear gradient shader blitters

src/core/SkUtils.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkUtils_DEFINED
 #define SkUtils_DEFINED
 
@@ skipping 14 matching lines @@
     @param buffer   The memory to have value copied into it
     @param value    The 32bit value to be copied into buffer
     @param count    The number of times value should be copied into the buffer.
 */
 static inline void sk_memset32(uint32_t buffer[], uint32_t value, int count) {
     for (int i = 0; i < count; i++) {
         buffer[i] = value;
     }
 }
 
+/** Similar to memset(), but it assigns a 64bit value into the buffer.
+    @param buffer   The memory to have value copied into it
+    @param value    The 64bit value to be copied into buffer
+    @param count    The number of times value should be copied into the buffer.
+*/
+static inline void sk_memset64(uint64_t buffer[], uint64_t value, int count) {
+    for (int i = 0; i < count; i++) {
+        buffer[i] = value;
+    }
+}
 ///////////////////////////////////////////////////////////////////////////////
 
 #define kMaxBytesInUTF8Sequence     4
 
 #ifdef SK_DEBUG
     int SkUTF8_LeadByteToCount(unsigned c);
 #else
     #define SkUTF8_LeadByteToCount(c)   ((((0xE5 << 24) >> ((unsigned)c >> 4 << 1)) & 3) + 1)
 #endif
 
@@ skipping 39 matching lines @@
     if (uni < 0x180B || uni > 0xE01EF) {
         return false;
     }
     if ((uni > 0x180D && uni < 0xFE00) || (uni > 0xFE0F && uni < 0xE0100)) {
         return false;
     }
     return true;
 }
 
 #endif