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diff --git a/include/core/SkSwizzle.h b/include/core/SkSwizzle.h
index 61e93b2da7..9a26f0f492 100644
--- ./include/core/SkSwizzle.h
+++ ./include/core/SkSwizzle.h
@@ -16,4 +16,8 @@
*/
SK_API void SkSwapRB(uint32_t* dest, const uint32_t* src, int count);
+SK_API void SkExtendRGBToRGBA(uint32_t* dest, const uint8_t* src, int count);
+
+SK_API void SkExtendGrayToRGBA(uint32_t* dest, const uint8_t* src, int count);
+
#endif
diff --git a/src/core/SkSwizzle.cpp b/src/core/SkSwizzle.cpp
index 301b0184f1..382323695f 100644
--- ./src/core/SkSwizzle.cpp
+++ ./src/core/SkSwizzle.cpp
@@ -12,3 +12,11 @@
void SkSwapRB(uint32_t* dest, const uint32_t* src, int count) {
SkOpts::RGBA_to_BGRA(dest, src, count);
}
+
+void SkExtendRGBToRGBA(uint32_t* dest, const uint8_t* src, int count) {
+ SkOpts::RGB_to_RGB1(dest, src, count);
+}
+
+void SkExtendGrayToRGBA(uint32_t* dest, const uint8_t* src, int count) {
+ SkOpts::gray_to_RGB1(dest, src, count);
+}
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