Make the backend pointer part of ALCdevice instead of DeviceBase

2 files changed, 16 insertions, 8 deletions

diff --git a/core/device.cpp b/core/device.cpp
index 9705c0ac..2766c5e4 100644
--- a/core/device.cpp
+++ b/core/device.cpp
@@ -1,7 +1,23 @@
 
 #include "config.h"
 
+#include "bformatdec.h"
+#include "bs2b.h"
 #include "device.h"
+#include "front_stablizer.h"
+#include "hrtf.h"
+#include "mastering.h"
 
 
 al::FlexArray<ContextBase*> DeviceBase::sEmptyContextArray{0u};
+
+
+DeviceBase::DeviceBase(DeviceType type) : Type{type}, mContexts{&sEmptyContextArray}
+{
+}
+
+DeviceBase::~DeviceBase()
+{
+    auto *oldarray = mContexts.exchange(nullptr, std::memory_order_relaxed);
+    if(oldarray != &sEmptyContextArray) delete oldarray;
+}
diff --git a/core/device.h b/core/device.h
index 88d146aa..194901a2 100644
--- a/core/device.h
+++ b/core/device.h
@@ -24,7 +24,6 @@
 #include "uhjfilter.h"
 #include "vector.h"
 
-struct BackendBase;
 class BFormatDec;
 struct bs2b;
 struct Compressor;
@@ -240,13 +239,6 @@ struct DeviceBase {
     // Contexts created on this device
     std::atomic<al::FlexArray<ContextBase*>*> mContexts{nullptr};
 
-    /* This lock protects the device state (format, update size, etc) from
-     * being from being changed in multiple threads, or being accessed while
-     * being changed. It's also used to serialize calls to the backend.
-     */
-    std::mutex StateLock;
-    std::unique_ptr<BackendBase> Backend;
-
 
     DeviceBase(DeviceType type);
     DeviceBase(const DeviceBase&) = delete;