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-rw-r--r--src/mesa/main/macros.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index dafeaa372f1..5228c3a8f28 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -685,6 +685,17 @@ minify(unsigned value, unsigned levels)
}
/**
+ * Return true if the given value is a power of two.
+ *
+ * Note that this considers 0 a power of two.
+ */
+static inline bool
+is_power_of_two(unsigned value)
+{
+ return (value & (value - 1)) == 0;
+}
+
+/**
* Align a value up to an alignment value
*
* If \c value is not already aligned to the requested alignment value, it