1 files changed, 51 insertions, 0 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index 08fc2719..97ac04bb 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -1949,6 +1949,57 @@ static ALCvoid FreeDevice(ALCdevice *device)
         DELETE_OBJ(state);
     }
 
+    if(device->DefaultSfont)
+    {
+        ALsoundfont *sfont = device->DefaultSfont;
+        ALsfpreset **presets;
+        ALsizei num_presets;
+        ALsizei i;
+
+        presets = ExchangePtr((XchgPtr*)&sfont->Presets, NULL);
+        num_presets = ExchangeInt(&sfont->NumPresets, 0);
+
+        for(i = 0;i < num_presets;i++)
+        {
+            ALsfpreset *preset = presets[i];
+            ALfontsound **sounds;
+            ALsizei num_sounds;
+            ALboolean deleting;
+            ALsizei j;
+
+            sounds = ExchangePtr((XchgPtr*)&preset->Sounds, NULL);
+            num_sounds = ExchangeInt(&preset->NumSounds, 0);
+            DeletePreset(preset, device);
+            preset = NULL;
+
+            for(j = 0;j < num_sounds;j++)
+                DecrementRef(&sounds[j]->ref);
+            /* Some fontsounds may not be immediately deletable because they're
+             * linked to another fontsound. When those fontsounds are deleted
+             * they should become deletable, so use a loop until all fontsounds
+             * are deleted. */
+            do {
+                deleting = AL_FALSE;
+                for(j = 0;j < num_sounds;j++)
+                {
+                    if(sounds[j] && sounds[j]->ref == 0)
+                    {
+                        deleting = AL_TRUE;
+                        RemoveFontsound(device, sounds[j]->id);
+                        ALfontsound_Destruct(sounds[j]);
+                        free(sounds[j]);
+                        sounds[j] = NULL;
+                    }
+                }
+            } while(deleting);
+            free(sounds);
+        }
+
+        ALsoundfont_Destruct(sfont);
+        free(sfont);
+    }
+    device->DefaultSfont = NULL;
+
     if(device->BufferMap.size > 0)
     {
         WARN("(%p) Deleting %d Buffer(s)\n", device, device->BufferMap.size);