From 573c5e4940b9f480c91e080291c278496d214182 Mon Sep 17 00:00:00 2001
From: Roman Fomin <rfomin@gmail.com>
Date: Thu, 20 Apr 2023 08:03:41 +0700
Subject: [PATCH] disable ALC_HRTF_SOFT (#998)

* add snd_hrtf option, set ALC_HRTF_SOFT to ALC_DONT_CARE_SOFT (taken from GZDoom)

* disable HRTF, remove snd_hrtf config option

Thanks to Ceski.
---
 src/i_sound.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/i_sound.c b/src/i_sound.c
index d1fa2f28..a098fa2a 100644
--- a/src/i_sound.c
+++ b/src/i_sound.c
@@ -614,6 +614,11 @@ void I_InitSound(void)
     ALCcontext *context;
     ALCint srate = -1;
 
+    ALCint attribs[] = { // zero terminated list of integer pairs
+        ALC_HRTF_SOFT, ALC_FALSE,
+        0
+    };
+
     if (nosfxparm && nomusicparm)
     {
         return;
@@ -635,7 +640,12 @@ void I_InitSound(void)
         return;
     }
 
-    context = alcCreateContext(device, NULL);
+    if (alcIsExtensionPresent(device, "ALC_SOFT_HRTF") == AL_FALSE)
+    {
+        attribs[0] = 0;
+    }
+
+    context = alcCreateContext(device, &attribs[0]);
     if (!context || alcMakeContextCurrent(context) == ALC_FALSE)
     {
         fprintf(stderr, "I_InitSound: Error making context.\n");