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21 lines
666 B
GLSL
21 lines
666 B
GLSL
int Helper_AtomicMaxS32(int index, int offset, int value)
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{
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uint oldValue, newValue;
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do
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{
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oldValue = $STORAGE_MEM$[index].data[offset];
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newValue = uint(max(int(oldValue), value));
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} while (atomicCompSwap($STORAGE_MEM$[index].data[offset], newValue, oldValue) != oldValue);
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return int(oldValue);
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}
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int Helper_AtomicMinS32(int index, int offset, int value)
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{
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uint oldValue, newValue;
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do
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{
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oldValue = $STORAGE_MEM$[index].data[offset];
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newValue = uint(min(int(oldValue), value));
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} while (atomicCompSwap($STORAGE_MEM$[index].data[offset], newValue, oldValue) != oldValue);
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return int(oldValue);
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} |