From 06f2076f04f2a8f938028664021fa501a4374d2d Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Mon, 17 Dec 2007 21:33:05 -0800
Subject: [PATCH] Implement AL_DIRECT_FILTER_GAINHF_AUTO source property

---
 OpenAL32/Include/alSource.h |  2 ++
 OpenAL32/alSource.c         | 15 +++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/OpenAL32/Include/alSource.h b/OpenAL32/Include/alSource.h
index d210ae9b..88732da9 100644
--- a/OpenAL32/Include/alSource.h
+++ b/OpenAL32/Include/alSource.h
@@ -65,6 +65,8 @@ typedef struct ALsource_struct
     ALfloat LastDrySample;
     ALfloat LastWetSample;
 
+    ALboolean DryGainHFAuto;
+
     // Index to itself
     ALuint source;
 
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index dd1e482c..d7d42889 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -652,6 +652,13 @@ ALAPI ALvoid ALAPIENTRY alSourcei(ALuint source,ALenum eParam,ALint lValue)
                     alSetError(AL_INVALID_VALUE);
                 break;
 
+            case AL_DIRECT_FILTER_GAINHF_AUTO:
+                if(lValue == AL_TRUE || lValue == AL_FALSE)
+                    pSource->DryGainHFAuto = lValue;
+                else
+                    alSetError(AL_INVALID_VALUE);
+                break;
+
             default:
                 alSetError(AL_INVALID_ENUM);
                 break;
@@ -733,6 +740,7 @@ ALAPI void ALAPIENTRY alSourceiv(ALuint source, ALenum eParam, const ALint* plVa
                 case AL_ROLLOFF_FACTOR:
                 case AL_REFERENCE_DISTANCE:
                 case AL_DIRECT_FILTER:
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
                     alSourcei(source, eParam, plValues[0]);
                     break;
 
@@ -1065,6 +1073,10 @@ ALAPI ALvoid ALAPIENTRY alGetSourcei(ALuint source, ALenum eParam, ALint *plValu
                     *plValue = pSource->DirectFilter.filter;
                     break;
 
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
+                    *plValue = pSource->DryGainHFAuto;
+                    break;
+
                 default:
                     alSetError(AL_INVALID_ENUM);
                     break;
@@ -1175,6 +1187,7 @@ ALAPI void ALAPIENTRY alGetSourceiv(ALuint source, ALenum eParam, ALint* plValue
                 case AL_REFERENCE_DISTANCE:
                 case AL_SOURCE_TYPE:
                 case AL_DIRECT_FILTER:
+                case AL_DIRECT_FILTER_GAINHF_AUTO:
                     alGetSourcei(source, eParam, plValues);
                     break;
 
@@ -1852,6 +1865,8 @@ static ALvoid InitSourceParams(ALsource *pSource)
     pSource->flMaxGain = 1.0f;
     pSource->flOuterGain = 0.0f;
 
+    pSource->DryGainHFAuto = AL_TRUE;
+
     pSource->state = AL_INITIAL;
     pSource->lSourceType = AL_UNDETERMINED;
 
-- 
2.11.4.GIT