Use a predefined identity matrix

1 files changed, 7 insertions, 0 deletions

diff --git a/Alc/ALu.c b/Alc/ALu.c
index d50582ad..f93781df 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -93,6 +93,13 @@ extern inline void aluMatrixfSet(aluMatrixf *matrix,
                                  ALfloat m20, ALfloat m21, ALfloat m22, ALfloat m23,
                                  ALfloat m30, ALfloat m31, ALfloat m32, ALfloat m33);
 
+const aluMatrixf IdentityMatrixf = {{
+    { 1.0f, 0.0f, 0.0f, 0.0f },
+    { 0.0f, 1.0f, 0.0f, 0.0f },
+    { 0.0f, 0.0f, 1.0f, 0.0f },
+    { 0.0f, 0.0f, 0.0f, 1.0f },
+}};
+
 
 static inline HrtfDirectMixerFunc SelectHrtfMixer(void)
 {