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[util] Add exchange helper to bitset

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Joshua Ashton 2020-01-11 03:23:52 +00:00 committed by Joshie
parent cf6142e782
commit 960d2bd158
1 changed files with 6 additions and 0 deletions
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6
src/util/util_bit.h
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@ -205,6 +205,12 @@ namespace dxvk::bit {
m_dwords[dword] &= ~(1u << bit); m_dwords[dword] &= ~(1u << bit);
} }
constexpr bool exchange(uint32_t idx, bool value) {
bool oldValue = get(idx);
set(idx, value);
return oldValue;
}
constexpr void flip(uint32_t idx) { constexpr void flip(uint32_t idx) {
uint32_t dword = 0; uint32_t dword = 0;
uint32_t bit = idx; uint32_t bit = idx;