From d86f1ab4768ce9fdb3480a9d2a81d8f8e9293e0e Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Mon, 28 Feb 2022 12:57:18 -0800
Subject: [PATCH] Remove AL_SOFTX_filter_gain_ex

It was only added to try to help DSOAL, and it's not clear if it's even
necessary. But with native EAX API support, it certainly isn't necessary
anymore.
---
 al/filter.cpp   | 8 +++-----
 alc/context.cpp | 1 -
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/al/filter.cpp b/al/filter.cpp
index 73067fd9..f4b0ac9d 100644
--- a/al/filter.cpp
+++ b/al/filter.cpp
@@ -67,8 +67,6 @@ public:
     ALenum errorCode() const noexcept { return mErrorCode; }
 };
 
-#define FILTER_MIN_GAIN 0.0f
-#define FILTER_MAX_GAIN 4.0f /* +12dB */
 
 #define DEFINE_ALFILTER_VTABLE(T)                                  \
 const ALfilter::Vtable T##_vtable = {                              \
@@ -88,7 +86,7 @@ void ALlowpass_setParamf(ALfilter *filter, ALenum param, float val)
     switch(param)
     {
     case AL_LOWPASS_GAIN:
-        if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
+        if(!(val >= AL_LOWPASS_MIN_GAIN && val <= AL_LOWPASS_MAX_GAIN))
             throw filter_exception{AL_INVALID_VALUE, "Low-pass gain %f out of range", val};
         filter->Gain = val;
         break;
@@ -147,7 +145,7 @@ void ALhighpass_setParamf(ALfilter *filter, ALenum param, float val)
     switch(param)
     {
     case AL_HIGHPASS_GAIN:
-        if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
+        if(!(val >= AL_HIGHPASS_MIN_GAIN && val <= AL_HIGHPASS_MAX_GAIN))
             throw filter_exception{AL_INVALID_VALUE, "High-pass gain %f out of range", val};
         filter->Gain = val;
         break;
@@ -206,7 +204,7 @@ void ALbandpass_setParamf(ALfilter *filter, ALenum param, float val)
     switch(param)
     {
     case AL_BANDPASS_GAIN:
-        if(!(val >= FILTER_MIN_GAIN && val <= FILTER_MAX_GAIN))
+        if(!(val >= AL_BANDPASS_MIN_GAIN && val <= AL_BANDPASS_MAX_GAIN))
             throw filter_exception{AL_INVALID_VALUE, "Band-pass gain %f out of range", val};
         filter->Gain = val;
         break;
diff --git a/alc/context.cpp b/alc/context.cpp
index ec4e9182..428165e2 100644
--- a/alc/context.cpp
+++ b/alc/context.cpp
@@ -72,7 +72,6 @@ constexpr ALchar alExtList[] =
     "AL_SOFT_direct_channels_remix "
     "AL_SOFT_effect_target "
     "AL_SOFT_events "
-    "AL_SOFTX_filter_gain_ex "
     "AL_SOFT_gain_clamp_ex "
     "AL_SOFTX_hold_on_disconnect "
     "AL_SOFT_loop_points "
-- 
2.11.4.GIT