[EAX] Use separate FX slot state for each version (#730)

* [EAX] Use separate FX slot state for each version
[EAX] Don't defer FX slot properties

* [EAX_FXSLOT] Use mPropsDirty to defer update
[EAX_CONTEXT] Commit all updates on first initialization

1 files changed, 2 insertions, 0 deletions

diff --git a/al/eax/utils.h b/al/eax/utils.h
index 2960c6d7..8ff75a18 100644
--- a/al/eax/utils.h
+++ b/al/eax/utils.h
@@ -6,6 +6,8 @@
 #include <string>
 #include <type_traits>
 
+using EaxDirtyFlags = unsigned int;
+
 struct EaxAlLowPassParam {
     float gain;
     float gain_hf;