ARM Skia NEON patches - 31 - Xfermode: xfer16

src/opts/SkBlitRow_opts_arm_neon.cpp

 /*
  * Copyright 2012 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.
  */
 
 #include "SkBlitRow_opts_arm_neon.h"
 
 #include "SkBlitMask.h"
@@ skipping 13 matching lines @@
     SkASSERT(255 == alpha);
 
     while (count >= 8) {
         uint8x8x4_t vsrc;
         uint16x8_t vdst;
 
         // Load
         vsrc = vld4_u8((uint8_t*)src);
 
         // Convert src to 565
-        vdst = vshll_n_u8(vsrc.val[NEON_R], 8);
-        vdst = vsriq_n_u16(vdst, vshll_n_u8(vsrc.val[NEON_G], 8), 5);
-        vdst = vsriq_n_u16(vdst, vshll_n_u8(vsrc.val[NEON_B], 8), 5+6);
+        vdst = SkPixel32ToPixel16_neon8(vsrc);
 
         // Store
         vst1q_u16(dst, vdst);
 
         // Prepare next iteration
         dst += 8;
         src += 8;
         count -= 8;
     };
 
@@ skipping 1389 matching lines @@
      * case where we do not inspect the src alpha.
      */
 #if SK_A32_SHIFT == 24
     // This proc assumes the alpha value occupies bits 24-32 of each SkPMColor
     S32A_Opaque_BlitRow32_neon_src_alpha,   // S32A_Opaque,
 #else
     S32A_Opaque_BlitRow32_neon,     // S32A_Opaque,
 #endif
     S32A_Blend_BlitRow32_neon        // S32A_Blend
 };