From 1c20c460e0e50c13701f7faebeae7e0342713a12 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Wed, 4 Oct 2017 02:39:36 -0700
Subject: [PATCH] Add support for AL_SOFT_source_spatialize

---
 include/AL/alure2.h | 10 ++++++++++
 src/context.cpp     |  5 +++--
 src/context.h       |  1 +
 src/source.cpp      | 15 ++++++++++++++-
 src/source.h        |  4 ++++
 5 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/include/AL/alure2.h b/include/AL/alure2.h
index b7df6e4..a405e53 100644
--- a/include/AL/alure2.h
+++ b/include/AL/alure2.h
@@ -737,6 +737,13 @@ public:
     bool isInUse() const;
 };
 
+
+enum class Spatialize {
+    Off = AL_FALSE,
+    On = AL_TRUE,
+    Auto = 0x0002 /* AL_AUTO_SOFT */
+};
+
 class ALSource;
 class ALURE_API Source {
     friend class ALContext;
@@ -944,6 +951,9 @@ public:
     void setStereoAngles(ALfloat leftAngle, ALfloat rightAngle);
     std::pair<ALfloat,ALfloat> getStereoAngles() const;
 
+    void set3DSpatialize(Spatialize spatialize);
+    Spatialize get3DSpatialize() const;
+
     void setAirAbsorptionFactor(ALfloat factor);
     ALfloat getAirAbsorptionFactor() const;
 
diff --git a/src/context.cpp b/src/context.cpp
index 4e2239f..dac159d 100644
--- a/src/context.cpp
+++ b/src/context.cpp
@@ -230,8 +230,9 @@ static const struct {
     { EXT_MULAW_MCFORMATS, "AL_EXT_MULAW_MCFORMATS", LoadNothing },
     { EXT_MULAW_BFORMAT,   "AL_EXT_MULAW_BFORMAT",   LoadNothing },
 
-    { SOFT_loop_points,    "AL_SOFT_loop_points",    LoadNothing },
-    { SOFT_source_latency, "AL_SOFT_source_latency", LoadSourceLatency },
+    { SOFT_loop_points,       "AL_SOFT_loop_points",       LoadNothing },
+    { SOFT_source_latency,    "AL_SOFT_source_latency",    LoadSourceLatency },
+    { SOFT_source_spatialize, "AL_SOFT_source_spatialize", LoadNothing },
 
     { EXT_disconnect, "ALC_EXT_disconnect", LoadNothing },
 
diff --git a/src/context.h b/src/context.h
index 3f86281..b400acc 100644
--- a/src/context.h
+++ b/src/context.h
@@ -41,6 +41,7 @@ enum ALExtension {
 
     SOFT_loop_points,
     SOFT_source_latency,
+    SOFT_source_spatialize,
 
     EXT_disconnect,
 
diff --git a/src/source.cpp b/src/source.cpp
index f665911..bbc123d 100644
--- a/src/source.cpp
+++ b/src/source.cpp
@@ -199,10 +199,11 @@ void ALSource::resetProperties()
     mRolloffFactor = 1.0f;
     mRoomRolloffFactor = 0.0f;
     mDopplerFactor = 1.0f;
+    mAirAbsorptionFactor = 0.0f;
     mRadius = 0.0f;
     mStereoAngles[0] =  F_PI / 6.0f;
     mStereoAngles[1] = -F_PI / 6.0f;
-    mAirAbsorptionFactor = 0.0f;
+    mSpatialize = Spatialize::Auto;
     mLooping = false;
     mRelative = false;
     mDryGainHFAuto = true;
@@ -255,6 +256,8 @@ void ALSource::applyProperties(bool looping, ALuint offset) const
         alSourcef(mId, AL_SOURCE_RADIUS, mRadius);
     if(mContext->hasExtension(EXT_STEREO_ANGLES))
         alSourcefv(mId, AL_STEREO_ANGLES, mStereoAngles);
+    if(mContext->hasExtension(SOFT_source_spatialize))
+        alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)mSpatialize);
     alSourcei(mId, AL_SOURCE_RELATIVE, mRelative ? AL_TRUE : AL_FALSE);
     if(mContext->hasExtension(EXT_EFX))
     {
@@ -973,6 +976,14 @@ void ALSource::setStereoAngles(ALfloat leftAngle, ALfloat rightAngle)
     mStereoAngles[1] = rightAngle;
 }
 
+void ALSource::set3DSpatialize(Spatialize spatialize)
+{
+    CheckContext(mContext);
+    if(mId != 0 && mContext->hasExtension(SOFT_source_spatialize))
+        alSourcei(mId, AL_SOURCE_SPATIALIZE_SOFT, (ALint)spatialize);
+    mSpatialize = spatialize;
+}
+
 void ALSource::setRelative(bool relative)
 {
     CheckContext(mContext);
@@ -1256,6 +1267,8 @@ DECL_THUNK1(void, Source, setRadius,, ALfloat)
 DECL_THUNK0(ALfloat, Source, getRadius, const)
 DECL_THUNK2(void, Source, setStereoAngles,, ALfloat, ALfloat)
 DECL_THUNK0(ALfloatPair, Source, getStereoAngles, const)
+DECL_THUNK1(void, Source, set3DSpatialize,, Spatialize)
+DECL_THUNK0(Spatialize, Source, get3DSpatialize, const)
 DECL_THUNK1(void, Source, setAirAbsorptionFactor,, ALfloat)
 DECL_THUNK0(ALfloat, Source, getAirAbsorptionFactor, const)
 DECL_THUNK3(void, Source, setGainAuto,, bool, bool, bool)
diff --git a/src/source.h b/src/source.h
index f072f98..4aad761 100644
--- a/src/source.h
+++ b/src/source.h
@@ -60,6 +60,7 @@ class ALSource {
     ALfloat mAirAbsorptionFactor;
     ALfloat mRadius;
     ALfloat mStereoAngles[2];
+    Spatialize mSpatialize;
     bool mLooping : 1;
     bool mRelative : 1;
     bool mDryGainHFAuto : 1;
@@ -172,6 +173,9 @@ public:
     std::pair<ALfloat,ALfloat> getStereoAngles() const
     { return std::make_pair(mStereoAngles[0], mStereoAngles[1]); }
 
+    void set3DSpatialize(Spatialize spatialize);
+    Spatialize get3DSpatialize() const { return mSpatialize; }
+
     void setAirAbsorptionFactor(ALfloat factor);
     ALfloat getAirAbsorptionFactor() const { return mAirAbsorptionFactor; }
 
-- 
2.11.4.GIT