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-rw-r--r--src/mesa/main/macros.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/mesa/main/macros.h b/src/mesa/main/macros.h
index 14a5d5fe16e..d1e81fe082c 100644
--- a/src/mesa/main/macros.h
+++ b/src/mesa/main/macros.h
@@ -656,6 +656,19 @@ INTERP_4F(GLfloat t, GLfloat dst[4], const GLfloat out[4], const GLfloat in[4])
#define MIN3( A, B, C ) ((A) < (B) ? MIN2(A, C) : MIN2(B, C))
#define MAX3( A, B, C ) ((A) > (B) ? MAX2(A, C) : MAX2(B, C))
+/**
+ * Align a value up to an alignment value
+ *
+ * If \c value is not already aligned to the requested alignment value, it
+ * will be rounded up.
+ *
+ * \param value Value to be rounded
+ * \param alignment Alignment value to be used. This must be a power of two.
+ *
+ * \sa ROUND_DOWN_TO()
+ */
+#define ALIGN(value, alignment) (((value) + alignment - 1) & ~(alignment - 1))
+
/** Cross product of two 3-element vectors */