Add Sk4f::ToBytes(uint8_t[16], Sk4f, Sk4f, Sk4f, Sk4f)

src/effects/gradients/SkLinearGradient.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkLinearGradient.h"
 
 static const float kInv255Float = 1.0f / 255;
@@ skipping 730 matching lines @@
 
 template <bool apply_alpha> void ramp(SkPMColor dstC[], int n, const Sk4f& c, const Sk4f& dc,
                                       const Sk4f& dither0, const Sk4f& dither1) {
     Sk4f dc2 = dc + dc;
     Sk4f dc4 = dc2 + dc2;
     Sk4f cd0 = c + dither0;
     Sk4f cd1 = c + dc + dither1;
     Sk4f cd2 = cd0 + dc2;
     Sk4f cd3 = cd1 + dc2;
     while (n >= 4) {
-        *dstC++ = trunc_from_255<apply_alpha>(cd0);
-        *dstC++ = trunc_from_255<apply_alpha>(cd1);
-        *dstC++ = trunc_from_255<apply_alpha>(cd2);
-        *dstC++ = trunc_from_255<apply_alpha>(cd3);
+        if (!apply_alpha) {
+            Sk4f::ToBytes((uint8_t*)dstC, cd0, cd1, cd2, cd3);
+            dstC += 4;
+        } else {
+            *dstC++ = trunc_from_255<apply_alpha>(cd0);
+            *dstC++ = trunc_from_255<apply_alpha>(cd1);
+            *dstC++ = trunc_from_255<apply_alpha>(cd2);
+            *dstC++ = trunc_from_255<apply_alpha>(cd3);
+        }
         cd0 = cd0 + dc4;
         cd1 = cd1 + dc4;
         cd2 = cd2 + dc4;
         cd3 = cd3 + dc4;
         n -= 4;
     }
     if (n & 2) {
         *dstC++ = trunc_from_255<apply_alpha>(cd0);
         *dstC++ = trunc_from_255<apply_alpha>(cd1);
         cd0 = cd0 + dc2;
@@ skipping 89 matching lines @@
         SkASSERT(count >= 0);
         if (dx_is_pos) {
             SkASSERT(0 == count || fx >= p1);
         } else {
             SkASSERT(0 == count || fx <= p0);
         }
 
         ramp<apply_alpha>(dstC, n, c, dc, dither0, dither1);
         dstC += n;
         SkASSERT(dstC <= endDstC);
-        
+
         if (n & 1) {
             SkTSwap(dither0, dither1);
         }
     }
 }
 
 void SkLinearGradient::LinearGradientContext::shade4_clamp(int x, int y, SkPMColor dstC[],
                                                            int count) {
     SkASSERT(count > 0);
     SkASSERT(kLinear_MatrixClass == fDstToIndexClass);
@@ skipping 40 matching lines @@
         }
     } else {
         if (fApplyAlphaAfterInterp) {
             this->shade4_dx_clamp<true, false>(dstC, count, fx, dx, invDx, dither);
         } else {
             this->shade4_dx_clamp<false, false>(dstC, count, fx, dx, invDx, dither);
         }
     }
 }