diff options
Diffstat (limited to 'OpenAL32/alSource.c')
-rw-r--r-- | OpenAL32/alSource.c | 59 |
1 files changed, 32 insertions, 27 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c index 9fc22205..0da513aa 100644 --- a/OpenAL32/alSource.c +++ b/OpenAL32/alSource.c @@ -746,7 +746,7 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p /* Add the selected buffer to a one-item queue */ ALbufferlistitem *newlist = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem)); newlist->buffer = buffer; - newlist->next = NULL; + ATOMIC_INIT(&newlist->next, NULL); IncrementRef(&buffer->ref); /* Source is now Static */ @@ -766,7 +766,7 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p while(oldlist != NULL) { ALbufferlistitem *temp = oldlist; - oldlist = temp->next; + oldlist = ATOMIC_LOAD(&temp->next, almemory_order_relaxed); if(temp->buffer) DecrementRef(&temp->buffer->ref); @@ -1175,7 +1175,8 @@ static ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SourceProp p freq = buffer->Frequency; length += buffer->SampleLen; } - } while((BufferList=BufferList->next) != NULL); + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); + } while(BufferList != NULL); *values = (ALdouble)length / (ALdouble)freq; } ReadUnlock(&Source->queue_lock); @@ -1326,7 +1327,8 @@ static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p length += buffer->SampleLen / sample_align * byte_align; } - } while((BufferList=BufferList->next) != NULL); + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); + } while(BufferList != NULL); *values = length; } ReadUnlock(&Source->queue_lock); @@ -1342,7 +1344,8 @@ static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p do { ALbuffer *buffer = BufferList->buffer; if(buffer) length += buffer->SampleLen; - } while((BufferList=BufferList->next) != NULL); + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); + } while(BufferList != NULL); *values = length; } ReadUnlock(&Source->queue_lock); @@ -1357,7 +1360,8 @@ static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p ALsizei count = 0; do { ++count; - } while((BufferList=BufferList->next) != NULL); + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); + } while(BufferList != NULL); *values = count; } ReadUnlock(&Source->queue_lock); @@ -1386,7 +1390,7 @@ static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SourceProp p while(BufferList && BufferList != Current) { played++; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } *values = played; } @@ -2422,7 +2426,7 @@ AL_API ALvoid AL_APIENTRY alSourcePlayv(ALsizei n, const ALuint *sources) { if((buffer=BufferList->buffer) != NULL && buffer->SampleLen > 0) break; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } /* If there's nothing to play, go right to stopped. */ @@ -2725,7 +2729,7 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu BufferFmt = BufferList->buffer; break; } - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } LockBuffersRead(device); @@ -2747,11 +2751,12 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu } else { - BufferList->next = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem)); - BufferList = BufferList->next; + ALbufferlistitem *item = al_calloc(DEF_ALIGN, sizeof(ALbufferlistitem)); + ATOMIC_STORE(&BufferList->next, item, almemory_order_relaxed); + BufferList = item; } BufferList->buffer = buffer; - BufferList->next = NULL; + ATOMIC_INIT(&BufferList->next, NULL); if(!buffer) continue; /* Hold a read lock on each buffer being queued while checking all @@ -2774,7 +2779,8 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu * each buffer we had. */ while(BufferListStart) { - ALbufferlistitem *next = BufferListStart->next; + ALbufferlistitem *next = ATOMIC_LOAD(&BufferListStart->next, + almemory_order_relaxed); if((buffer=BufferListStart->buffer) != NULL) { DecrementRef(&buffer->ref); @@ -2793,7 +2799,7 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu { ALbuffer *buffer = BufferList->buffer; if(buffer) ReadUnlock(&buffer->lock); - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } UnlockBuffersRead(device); @@ -2805,8 +2811,8 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu else { while(BufferList->next != NULL) - BufferList = BufferList->next; - BufferList->next = BufferListStart; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); + ATOMIC_STORE(&BufferList->next, BufferListStart, almemory_order_release); } WriteUnlock(&source->queue_lock); @@ -2857,7 +2863,7 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint { for(i = 1;i < nb;i++) { - ALbufferlistitem *next = OldTail->next; + ALbufferlistitem *next = ATOMIC_LOAD(&OldTail->next, almemory_order_relaxed); if(!next || next == Current) break; OldTail = next; } @@ -2871,13 +2877,12 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint /* Swap it, and cut the new head from the old. */ OldHead = source->queue; - source->queue = OldTail->next; - OldTail->next = NULL; + source->queue = ATOMIC_EXCHANGE_PTR(&OldTail->next, NULL, almemory_order_acq_rel); WriteUnlock(&source->queue_lock); while(OldHead != NULL) { - ALbufferlistitem *next = OldHead->next; + ALbufferlistitem *next = ATOMIC_LOAD(&OldHead->next, almemory_order_relaxed); ALbuffer *buffer = OldHead->buffer; if(!buffer) @@ -2984,7 +2989,7 @@ static void DeinitSource(ALsource *source, ALsizei num_sends) BufferList = source->queue; while(BufferList != NULL) { - ALbufferlistitem *next = BufferList->next; + ALbufferlistitem *next = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); if(BufferList->buffer != NULL) DecrementRef(&BufferList->buffer->ref); al_free(BufferList); @@ -3147,7 +3152,7 @@ static ALint64 GetSourceSampleOffset(ALsource *Source, ALCcontext *context, ALui { if(BufferList->buffer) readPos += (ALuint64)BufferList->buffer->SampleLen << 32; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } readPos = minu64(readPos, U64(0x7fffffffffffffff)); } @@ -3203,13 +3208,13 @@ static ALdouble GetSourceSecOffset(ALsource *Source, ALCcontext *context, ALuint if(!BufferFmt) BufferFmt = buffer; readPos += (ALuint64)buffer->SampleLen << FRACTIONBITS; } - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } while(BufferList && !BufferFmt) { BufferFmt = BufferList->buffer; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } assert(BufferFmt != NULL); @@ -3272,7 +3277,7 @@ static ALdouble GetSourceOffset(ALsource *Source, ALenum name, ALCcontext *conte totalBufferLen += buffer->SampleLen; if(!readFin) readPos += buffer->SampleLen; } - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } assert(BufferFmt != NULL); @@ -3365,7 +3370,7 @@ static ALboolean ApplyOffset(ALsource *Source, ALvoice *voice) totalBufferLen += bufferLen; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } /* Offset is out of range of the queue */ @@ -3391,7 +3396,7 @@ static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALsizei *frac { if((BufferFmt=BufferList->buffer) != NULL) break; - BufferList = BufferList->next; + BufferList = ATOMIC_LOAD(&BufferList->next, almemory_order_relaxed); } if(!BufferFmt) { |