[EAX_SOURCE] Skip occlusion calculation if occlusion property is zero

1 files changed, 7 insertions, 3 deletions

diff --git a/al/source.cpp b/al/source.cpp
index f1f1fe7d..6483473d 100644
--- a/al/source.cpp
+++ b/al/source.cpp
@@ -3996,6 +3996,9 @@ float ALsource::eax_calculate_dst_occlusion_mb(
     float path_ratio,
     float lf_ratio) noexcept
 {
+    if(src_occlusion_mb == 0)
+        return 0.0f;
+
     const auto ratio_1 = path_ratio + lf_ratio - 1.0F;
     const auto ratio_2 = path_ratio * lf_ratio;
     const auto ratio = (ratio_2 > ratio_1) ? ratio_2 : ratio_1;
@@ -4020,13 +4023,14 @@ EaxAlLowPassParam ALsource::eax_create_direct_filter_param() const noexcept
 
     for (auto i = std::size_t{}; i < EAX_MAX_FXSLOTS; ++i)
     {
-        if (!eax_active_fx_slots_[i])
-        {
+        if(!eax_active_fx_slots_[i])
             continue;
-        }
 
         const auto& send = eax_.sends[i];
 
+        if(send.lOcclusion == 0)
+            continue;
+
         gain_mb += eax_calculate_dst_occlusion_mb(
             send.lOcclusion,
             send.flOcclusionDirectRatio,