Use second-order ambisonics for basic HRTF rendering

This should improve positional quality for relatively low cost. Full HRTF
rendering still only uses first-order since the only use of the dry buffer
there is for first-order content (B-Format buffers, effects).

1 files changed, 2 insertions, 2 deletions

diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h
index 5a5c3923..975dd11e 100644
--- a/OpenAL32/Include/alMain.h
+++ b/OpenAL32/Include/alMain.h
@@ -643,8 +643,8 @@ struct ALCdevice_struct
         const struct Hrtf *Handle;
 
         /* HRTF filter state for dry buffer content */
-        alignas(16) ALfloat Values[4][HRIR_LENGTH][2];
-        alignas(16) ALfloat Coeffs[4][HRIR_LENGTH][2];
+        alignas(16) ALfloat Values[9][HRIR_LENGTH][2];
+        alignas(16) ALfloat Coeffs[9][HRIR_LENGTH][2];
         ALuint Offset;
         ALuint IrSize;
     } Hrtf;