1 files changed, 32 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/base/SkRectMemcpy.h b/gfx/skia/skia/src/base/SkRectMemcpy.h
new file mode 100644
index 0000000000..07ba0f0c65
--- /dev/null
+++ b/gfx/skia/skia/src/base/SkRectMemcpy.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkRectMemcpy_DEFINED
+#define SkRectMemcpy_DEFINED
+
+#include "include/private/base/SkAssert.h"
+#include "include/private/base/SkTemplates.h"
+
+#include <cstring>
+
+static inline void SkRectMemcpy(void* dst, size_t dstRB, const void* src, size_t srcRB,
+                                size_t trimRowBytes, int rowCount) {
+    SkASSERT(trimRowBytes <= dstRB);
+    SkASSERT(trimRowBytes <= srcRB);
+    if (trimRowBytes == dstRB && trimRowBytes == srcRB) {
+        memcpy(dst, src, trimRowBytes * rowCount);
+        return;
+    }
+
+    for (int i = 0; i < rowCount; ++i) {
+        memcpy(dst, src, trimRowBytes);
+        dst = SkTAddOffset<void>(dst, dstRB);
+        src = SkTAddOffset<const void>(src, srcRB);
+    }
+}
+
+#endif