565 support for SIMD xfermodes

src/opts/Sk4px_none.h

Index: src/opts/Sk4px_none.h
diff --git a/src/opts/Sk4px_none.h b/src/opts/Sk4px_none.h
index ba13e58fb50c6f6d5642194da6142e734e92109a..540edb821dd6d4f43f7fa187c067585e832febbe 100644
--- a/src/opts/Sk4px_none.h
+++ b/src/opts/Sk4px_none.h
@@ -100,4 +100,35 @@ inline Sk4px Sk4px::zeroColors() const {
                  0,0,0, this->kth<15>());
 }
 
+inline Sk4px Sk4px::Load4(const SkPMColor16 src[4]) {
+    SkPMColor src32[4];
+    for (int i = 0; i < 4; i++) { src32[i] = SkPixel16ToPixel32(src[i]); }
+    return Load4(src32);
+}
+inline Sk4px Sk4px::Load2(const SkPMColor16 src[2]) {
+    SkPMColor src32[2];
+    for (int i = 0; i < 2; i++) { src32[i] = SkPixel16ToPixel32(src[i]); }
+    return Load2(src32);
+}
+inline Sk4px Sk4px::Load1(const SkPMColor16 src[1]) {
+    SkPMColor src32 = SkPixel16ToPixel32(src[0]);
+    return Load1(&src32);
+}
+
+inline void Sk4px::store4(SkPMColor16 dst[4]) const {
+    SkPMColor dst32[4];
+    this->store4(dst32);
+    for (int i = 0; i < 4; i++) { dst[i] = SkPixel32ToPixel16(dst32[i]); }
+}
+inline void Sk4px::store2(SkPMColor16 dst[2]) const {
+    SkPMColor dst32[2];
+    this->store2(dst32);
+    for (int i = 0; i < 2; i++) { dst[i] = SkPixel32ToPixel16(dst32[i]); }
+}
+inline void Sk4px::store1(SkPMColor16 dst[1]) const {
+    SkPMColor dst32;
+    this->store1(&dst32);
+    dst[0] = SkPixel32ToPixel16(dst32);
+}
+
 }  // namespace