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[util] Add sfence helper

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This commit is contained in:
Philip Rebohle 2025-02-24 23:58:33 +01:00
parent 9c395fd60d
commit 64074a44a6
1 changed files with 13 additions and 0 deletions
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13
src/util/util_bit.h
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@ -632,4 +632,17 @@ namespace dxvk::bit {
return float(n) / float(1u << F);
}
/**
* \brief Flush pending stores, if any
*
* Needed on x86 after writing to mapped memory or using non-temporal
* stores in order to flush write-combined buffers.
*/
inline void sfence() {
#if defined(DXVK_ARCH_X86) && (defined(__GNUC__) || defined(__clang__) || defined(_MSC_VER))
_mm_sfence();
#endif
}
}