change hairline procs to take SkPoint by value, more efficient on SSE and NEON

src/core/SkDraw.cpp

 /*
  * 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.
  */
 #define __STDC_LIMIT_MACROS
 
 #include "SkDraw.h"
 #include "SkBlitter.h"
@@ skipping 1858 matching lines @@
         }
     }
 }
 
 #if defined _WIN32 && _MSC_VER >= 1300
 #pragma warning ( pop )
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 
-typedef void (*HairProc)(const SkPoint&, const SkPoint&, const SkRasterClip&,
-                         SkBlitter*);
+typedef void (*HairProc)(SkPoint, SkPoint, const SkRasterClip&, SkBlitter*);
 
 static HairProc ChooseHairProc(bool doAntiAlias) {
     return doAntiAlias ? SkScan::AntiHairLine : SkScan::HairLine;
 }
 
 static bool texture_to_matrix(const VertState& state, const SkPoint verts[],
                               const SkPoint texs[], SkMatrix* matrix) {
     SkPoint src[3], dst[3];
 
     src[0] = texs[state.f0];
@@ skipping 378 matching lines @@
         mask->fImage = SkMask::AllocImage(size);
         memset(mask->fImage, 0, mask->computeImageSize());
     }
 
     if (SkMask::kJustComputeBounds_CreateMode != mode) {
         draw_into_mask(*mask, devPath, style);
     }
 
     return true;
 }