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Remove some unnecessary atomics.

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This commit is contained in:
David Reid
2021-01-06 22:06:25 +10:00
parent 9f62d69669
commit d580e3043f
1 changed files with 3 additions and 3 deletions
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research/miniaudio_engine.h
+3 -3
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@@ -778,9 +778,9 @@ struct ma_node_base
ma_uint16 cachedFrameCountOut; ma_uint16 cachedFrameCountOut;
ma_uint16 cachedFrameCountIn; ma_uint16 cachedFrameCountIn;
ma_uint16 consumedFrameCountIn; ma_uint16 consumedFrameCountIn;
ma_uint32 readCounter; /* For loop prevention. Compared with the current read count of the node graph. If larger, means a loop was encountered and reading is aborted and no samples read. */
/* These variables are read and written between different threads. */ /* These variables are read and written between different threads. */
volatile ma_uint32 readCounter; /* For loop prevention. Compared with the current read count of the node graph. If larger, means a loop was encountered and reading is aborted and no samples read. */
volatile ma_node_state state; volatile ma_node_state state;
ma_node_input_bus inputBuses[MA_MAX_NODE_BUS_COUNT]; ma_node_input_bus inputBuses[MA_MAX_NODE_BUS_COUNT];
ma_node_output_bus outputBuses[MA_MAX_NODE_BUS_COUNT]; ma_node_output_bus outputBuses[MA_MAX_NODE_BUS_COUNT];
@@ -3555,8 +3555,8 @@ static ma_uint32 ma_node_set_read_counter(ma_node* pNode, ma_uint32 newReadCount
This function will be only ever be called in a controlled environment (only on the audio This function will be only ever be called in a controlled environment (only on the audio
thread, and never concurrently). thread, and never concurrently).
*/ */
oldReadCounter = c89atomic_load_32(&pNodeBase->readCounter); oldReadCounter = pNodeBase->readCounter;
c89atomic_exchange_32(&pNodeBase->readCounter, newReadCounter); pNodeBase->readCounter = newReadCounter;
return oldReadCounter; return oldReadCounter;
} }