1 files changed, 8 insertions, 0 deletions
diff --git a/Alc/ambidefs.h b/Alc/ambidefs.h
index 82eb7ee3..eeb09f75 100644
--- a/Alc/ambidefs.h
+++ b/Alc/ambidefs.h
@@ -102,6 +102,14 @@ struct AmbiIndex {
         0,  1,  2,  3,  4,  5,  6,  7,
         8,  9, 10, 11, 12, 13, 14, 15
     }};
+
+    static constexpr std::array<int,MAX_AMBI2D_COEFFS> From2D{{
+        0, 1,3, 4,8, 9,15
+    }};
+    static constexpr std::array<int,MAX_AMBI_COEFFS> From3D{{
+        0,  1,  2,  3,  4,  5,  6,  7,
+        8,  9, 10, 11, 12, 13, 14, 15
+    }};
 };
 
 #endif /* AMBIDEFS_H */