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-rw-r--r--Alc/alc.cpp19
-rw-r--r--Alc/alu.cpp44
-rw-r--r--Alc/mixvoice.cpp12
-rw-r--r--OpenAL32/alSource.cpp14
-rw-r--r--OpenAL32/event.cpp35
5 files changed, 93 insertions, 31 deletions
diff --git a/Alc/alc.cpp b/Alc/alc.cpp
index b6065e97..d13cfc54 100644
--- a/Alc/alc.cpp
+++ b/Alc/alc.cpp
@@ -2465,6 +2465,25 @@ ALCcontext_struct::~ALCcontext_struct()
}
TRACE("Freed " SZFMT " listener property object%s\n", count, (count==1)?"":"s");
+ count = 0;
+ auto evt_vec = ll_ringbuffer_get_read_vector(AsyncEvents);
+ while(evt_vec.first.len > 0)
+ {
+ reinterpret_cast<AsyncEvent*>(evt_vec.first.buf)->~AsyncEvent();
+ evt_vec.first.buf += sizeof(AsyncEvent);
+ evt_vec.first.len -= 1;
+ ++count;
+ }
+ while(evt_vec.second.len > 0)
+ {
+ reinterpret_cast<AsyncEvent*>(evt_vec.second.buf)->~AsyncEvent();
+ evt_vec.second.buf += sizeof(AsyncEvent);
+ evt_vec.second.len -= 1;
+ ++count;
+ }
+ if(count > 0)
+ TRACE("Destructed " SZFMT " orphaned event%s\n", count, (count==1)?"":"s");
+
delete AsyncEvents;
AsyncEvents = nullptr;
diff --git a/Alc/alu.cpp b/Alc/alu.cpp
index 01b4f3c3..abe938f1 100644
--- a/Alc/alu.cpp
+++ b/Alc/alu.cpp
@@ -293,12 +293,14 @@ void SendSourceStoppedEvent(ALCcontext *context, ALuint id)
ALbitfieldSOFT enabledevt{context->EnabledEvts.load(std::memory_order_acquire)};
if(!(enabledevt&EventType_SourceStateChange)) return;
- AsyncEvent evt{EventType_SourceStateChange};
- evt.u.srcstate.id = id;
- evt.u.srcstate.state = AL_STOPPED;
-
- if(ll_ringbuffer_write(context->AsyncEvents, &evt, 1) == 1)
- context->EventSem.post();
+ auto evt_data = ll_ringbuffer_get_write_vector(context->AsyncEvents).first;
+ if(evt_data.len < 1) return;
+
+ AsyncEvent *evt{new (evt_data.buf) AsyncEvent{EventType_SourceStateChange}};
+ evt->u.srcstate.id = id;
+ evt->u.srcstate.state = AL_STOPPED;
+ ll_ringbuffer_write_advance(context->AsyncEvents, 1);
+ context->EventSem.post();
}
@@ -394,6 +396,7 @@ bool CalcEffectSlotParams(ALeffectslot *slot, ALCcontext *context, bool force)
}
state = props->State;
+ props->State = nullptr;
if(state == slot->Params.mEffectState)
{
@@ -402,21 +405,23 @@ bool CalcEffectSlotParams(ALeffectslot *slot, ALCcontext *context, bool force)
* 0 refs since the current params also hold a reference).
*/
DecrementRef(&state->mRef);
- props->State = nullptr;
}
else
{
/* Otherwise, replace it and send off the old one with a release
* event.
*/
- AsyncEvent evt{EventType_ReleaseEffectState};
- evt.u.mEffectState = slot->Params.mEffectState;
-
+ EffectState *oldstate{slot->Params.mEffectState};
slot->Params.mEffectState = state;
- props->State = nullptr;
- if(LIKELY(ll_ringbuffer_write(context->AsyncEvents, &evt, 1) != 0))
+ auto evt_data = ll_ringbuffer_get_write_vector(context->AsyncEvents).first;
+ if(LIKELY(evt_data.len > 0))
+ {
+ AsyncEvent *evt{new (evt_data.buf) AsyncEvent{EventType_ReleaseEffectState}};
+ evt->u.mEffectState = oldstate;
+ ll_ringbuffer_write_advance(context->AsyncEvents, 1);
context->EventSem.post();
+ }
else
{
/* If writing the event failed, the queue was probably full.
@@ -424,7 +429,7 @@ bool CalcEffectSlotParams(ALeffectslot *slot, ALCcontext *context, bool force)
* eventually be cleaned up sometime later (not ideal, but
* better than blocking or leaking).
*/
- props->State = evt.u.mEffectState;
+ props->State = oldstate;
}
}
@@ -1828,9 +1833,16 @@ void aluHandleDisconnect(ALCdevice *device, const char *msg, ...)
while(ctx)
{
const ALbitfieldSOFT enabledevt{ctx->EnabledEvts.load(std::memory_order_acquire)};
- if((enabledevt&EventType_Disconnected) &&
- ll_ringbuffer_write(ctx->AsyncEvents, &evt, 1) == 1)
- ctx->EventSem.post();
+ if((enabledevt&EventType_Disconnected))
+ {
+ auto evt_data = ll_ringbuffer_get_write_vector(ctx->AsyncEvents).first;
+ if(evt_data.len > 0)
+ {
+ new (evt_data.buf) AsyncEvent{evt};
+ ll_ringbuffer_write_advance(ctx->AsyncEvents, 1);
+ ctx->EventSem.post();
+ }
+ }
std::for_each(ctx->Voices, ctx->Voices+ctx->VoiceCount.load(std::memory_order_acquire),
[ctx](ALvoice *voice) -> void
diff --git a/Alc/mixvoice.cpp b/Alc/mixvoice.cpp
index 680f4a31..f68c0f0a 100644
--- a/Alc/mixvoice.cpp
+++ b/Alc/mixvoice.cpp
@@ -721,11 +721,15 @@ ALboolean MixSource(ALvoice *voice, ALuint SourceID, ALCcontext *Context, ALsize
ALbitfieldSOFT enabledevt{Context->EnabledEvts.load(std::memory_order_acquire)};
if(buffers_done > 0 && (enabledevt&EventType_BufferCompleted))
{
- AsyncEvent evt{EventType_BufferCompleted};
- evt.u.bufcomp.id = SourceID;
- evt.u.bufcomp.count = buffers_done;
- if(ll_ringbuffer_write(Context->AsyncEvents, &evt, 1) == 1)
+ auto evt_data = ll_ringbuffer_get_write_vector(Context->AsyncEvents).first;
+ if(evt_data.len > 0)
+ {
+ AsyncEvent *evt{new (evt_data.buf) AsyncEvent{EventType_BufferCompleted}};
+ evt->u.bufcomp.id = SourceID;
+ evt->u.bufcomp.count = buffers_done;
+ ll_ringbuffer_write_advance(Context->AsyncEvents, 1);
Context->EventSem.post();
+ }
}
return isplaying;
diff --git a/OpenAL32/alSource.cpp b/OpenAL32/alSource.cpp
index e88df598..b70fc872 100644
--- a/OpenAL32/alSource.cpp
+++ b/OpenAL32/alSource.cpp
@@ -687,16 +687,18 @@ void SendStateChangeEvent(ALCcontext *context, ALuint id, ALenum state)
ALbitfieldSOFT enabledevt{context->EnabledEvts.load(std::memory_order_acquire)};
if(!(enabledevt&EventType_SourceStateChange)) return;
- AsyncEvent evt{EventType_SourceStateChange};
- evt.u.srcstate.id = id;
- evt.u.srcstate.state = state;
-
/* The mixer may have queued a state change that's not yet been processed,
* and we don't want state change messages to occur out of order, so send
* it through the async queue to ensure proper ordering.
*/
- if(ll_ringbuffer_write(context->AsyncEvents, &evt, 1) == 1)
- context->EventSem.post();
+ auto evt_data = ll_ringbuffer_get_write_vector(context->AsyncEvents).first;
+ if(evt_data.len < 1) return;
+
+ AsyncEvent *evt{new (evt_data.buf) AsyncEvent{EventType_SourceStateChange}};
+ evt->u.srcstate.id = id;
+ evt->u.srcstate.state = state;
+ ll_ringbuffer_write_advance(context->AsyncEvents, 1);
+ context->EventSem.post();
}
diff --git a/OpenAL32/event.cpp b/OpenAL32/event.cpp
index 6a3dc4bc..6399603b 100644
--- a/OpenAL32/event.cpp
+++ b/OpenAL32/event.cpp
@@ -18,10 +18,10 @@
static int EventThread(ALCcontext *context)
{
bool quitnow{false};
- AsyncEvent evt{};
while(LIKELY(!quitnow))
{
- if(ll_ringbuffer_read(context->AsyncEvents, &evt, 1) == 0)
+ auto evt_data = ll_ringbuffer_get_read_vector(context->AsyncEvents).first;
+ if(evt_data.len == 0)
{
context->EventSem.wait();
continue;
@@ -29,6 +29,22 @@ static int EventThread(ALCcontext *context)
std::lock_guard<std::mutex> _{context->EventCbLock};
do {
+ auto &evt = *reinterpret_cast<AsyncEvent*>(evt_data.buf);
+ evt_data.buf += sizeof(AsyncEvent);
+ evt_data.len -= 1;
+ /* This automatically destructs the event object and advances the
+ * ringbuffer's read offset at the end of scope.
+ */
+ const struct EventAutoDestructor {
+ AsyncEvent &evt;
+ ll_ringbuffer *ring;
+ ~EventAutoDestructor()
+ {
+ evt.~AsyncEvent();
+ ll_ringbuffer_read_advance(ring, 1);
+ }
+ } _{evt, context->AsyncEvents};
+
quitnow = evt.EnumType == EventType_KillThread;
if(UNLIKELY(quitnow)) break;
@@ -73,7 +89,7 @@ static int EventThread(ALCcontext *context)
static_cast<ALsizei>(strlen(evt.u.user.msg)), evt.u.user.msg,
context->EventParam
);
- } while(ll_ringbuffer_read(context->AsyncEvents, &evt, 1) != 0);
+ } while(evt_data.len != 0);
}
return 0;
}
@@ -94,8 +110,17 @@ void StartEventThrd(ALCcontext *ctx)
void StopEventThrd(ALCcontext *ctx)
{
static constexpr AsyncEvent kill_evt{EventType_KillThread};
- while(ll_ringbuffer_write(ctx->AsyncEvents, &kill_evt, 1) == 0)
- std::this_thread::yield();
+ ll_ringbuffer_data evt_data = ll_ringbuffer_get_write_vector(ctx->AsyncEvents).first;
+ if(evt_data.len == 0)
+ {
+ do {
+ std::this_thread::yield();
+ evt_data = ll_ringbuffer_get_write_vector(ctx->AsyncEvents).first;
+ } while(evt_data.len == 0);
+ }
+ new (evt_data.buf) AsyncEvent{kill_evt};
+ ll_ringbuffer_write_advance(ctx->AsyncEvents, 1);
+
ctx->EventSem.post();
if(ctx->EventThread.joinable())
ctx->EventThread.join();