1 files changed, 84 insertions, 0 deletions
diff --git a/src/deps/skia/include/private/SkMacros.h b/src/deps/skia/include/private/SkMacros.h
new file mode 100644
index 000000000..7732d44d7
--- /dev/null
+++ b/src/deps/skia/include/private/SkMacros.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+#ifndef SkMacros_DEFINED
+#define SkMacros_DEFINED
+
+/*
+ *  Usage:  SK_MACRO_CONCAT(a, b)   to construct the symbol ab
+ *
+ *  SK_MACRO_CONCAT_IMPL_PRIV just exists to make this work. Do not use directly
+ *
+ */
+#define SK_MACRO_CONCAT(X, Y)           SK_MACRO_CONCAT_IMPL_PRIV(X, Y)
+#define SK_MACRO_CONCAT_IMPL_PRIV(X, Y)  X ## Y
+
+/*
+ *  Usage: SK_MACRO_APPEND_LINE(foo)    to make foo123, where 123 is the current
+ *                                      line number. Easy way to construct
+ *                                      unique names for local functions or
+ *                                      variables.
+ */
+#define SK_MACRO_APPEND_LINE(name)  SK_MACRO_CONCAT(name, __LINE__)
+
+#define SK_MACRO_APPEND_COUNTER(name) SK_MACRO_CONCAT(name, __COUNTER__)
+
+////////////////////////////////////////////////////////////////////////////////
+
+// Can be used to bracket data types that must be dense, e.g. hash keys.
+#if defined(__clang__)  // This should work on GCC too, but GCC diagnostic pop didn't seem to work!
+    #define SK_BEGIN_REQUIRE_DENSE _Pragma("GCC diagnostic push") \
+                                   _Pragma("GCC diagnostic error \"-Wpadded\"")
+    #define SK_END_REQUIRE_DENSE   _Pragma("GCC diagnostic pop")
+#else
+    #define SK_BEGIN_REQUIRE_DENSE
+    #define SK_END_REQUIRE_DENSE
+#endif
+
+#define SK_INIT_TO_AVOID_WARNING    = 0
+
+////////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Defines overloaded bitwise operators to make it easier to use an enum as a
+ * bitfield.
+ */
+#define SK_MAKE_BITFIELD_OPS(X) \
+    inline X operator |(X a, X b) { \
+        return (X) (+a | +b); \
+    } \
+    inline X& operator |=(X& a, X b) { \
+        return (a = a | b); \
+    } \
+    inline X operator &(X a, X b) { \
+        return (X) (+a & +b); \
+    } \
+    inline X& operator &=(X& a, X b) { \
+        return (a = a & b); \
+    } \
+    template <typename T> \
+    inline X operator &(T a, X b) { \
+        return (X) (+a & +b); \
+    } \
+    template <typename T> \
+    inline X operator &(X a, T b) { \
+        return (X) (+a & +b); \
+    } \
+
+#define SK_DECL_BITFIELD_OPS_FRIENDS(X) \
+    friend X operator |(X a, X b); \
+    friend X& operator |=(X& a, X b); \
+    \
+    friend X operator &(X a, X b); \
+    friend X& operator &=(X& a, X b); \
+    \
+    template <typename T> \
+    friend X operator &(T a, X b); \
+    \
+    template <typename T> \
+    friend X operator &(X a, T b); \
+
+#endif  // SkMacros_DEFINED