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Merge pull request #5700 from lioncash/bitset

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Common/Bitset: Minor API changes
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Ryan Houdek authored and GitHub committed 2026-07-10 10:35:45 -07:00
2 parents 650f5b784d 46f3bec37e
commit 87301ca154
1 file changed
+14 -9
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FEXCore/Source/Common/BitSet.h
+14 -9
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@@ -18,7 +18,7 @@ struct BitSet final {
constexpr static size_t MinimumSize = sizeof(ElementType);
constexpr static size_t MinimumSizeBits = sizeof(ElementType) * 8;
ElementType* Memory;
ElementType* Memory {};
void Allocate(size_t Elements) {
size_t AllocateSize = ToBytes(Elements);
LOGMAN_THROW_A_FMT((AllocateSize * MinimumSize) >= Elements, "Fail");
@@ -33,14 +33,15 @@ struct BitSet final {
FEXCore::Allocator::free(Memory);
Memory = nullptr;
}
bool Get(T Element) {
[[nodiscard]]
bool Get(T Element) const {
return (Memory[Element / MinimumSizeBits] & (1ULL << (Element % MinimumSizeBits))) != 0;
}
void Set(T Element) {
Memory[Element / MinimumSizeBits] |= (1ULL << (Element % MinimumSizeBits));
}
void Clear(T Element) {
Memory[Element / MinimumSizeBits] &= (1ULL << (Element % MinimumSizeBits));
Memory[Element / MinimumSizeBits] &= ~(1ULL << (Element % MinimumSizeBits));
}
void MemClear(size_t Elements) {
memset(Memory, 0, ToBytes(Elements));
@@ -48,13 +49,15 @@ struct BitSet final {
void MemSet(size_t Elements) {
memset(Memory, 0xFF, ToBytes(Elements));
}
uint32_t ToBytes(size_t Elements) {
[[nodiscard]]
uint32_t ToBytes(size_t Elements) const {
return AlignUp(Elements, MinimumSizeBits) / MinimumSize;
}
// This very explicitly doesn't let you take an address
// Is only a getter
bool operator[](T Element) {
[[nodiscard]]
bool operator[](T Element) const {
return Get(Element);
}
};
@@ -65,21 +68,22 @@ struct BitSetView final {
constexpr static size_t MinimumSize = sizeof(ElementType);
constexpr static size_t MinimumSizeBits = sizeof(ElementType) * 8;
ElementType* Memory;
ElementType* Memory {};
void GetView(BitSet<T>& Set, uint64_t ElementOffset) {
LOGMAN_THROW_A_FMT((ElementOffset % MinimumSize) == 0, "Bitset view offset needs to be aligned to size of backing element");
Memory = &Set.Memory[ElementOffset / MinimumSizeBits];
}
bool Get(T Element) {
[[nodiscard]]
bool Get(T Element) const {
return (Memory[Element / MinimumSizeBits] & (1ULL << (Element % MinimumSizeBits))) != 0;
}
void Set(T Element) {
Memory[Element / MinimumSizeBits] |= (1ULL << (Element % MinimumSizeBits));
}
void Clear(T Element) {
Memory[Element / MinimumSizeBits] &= (1ULL << (Element % MinimumSizeBits));
Memory[Element / MinimumSizeBits] &= ~(1ULL << (Element % MinimumSizeBits));
}
void MemClear(size_t Elements) {
memset(Memory, 0, AlignUp(Elements / MinimumSizeBits, MinimumSizeBits));
@@ -90,7 +94,8 @@ struct BitSetView final {
// This very explicitly doesn't let you take an address
// Is only a getter
bool operator[](T Element) {
[[nodiscard]]
bool operator[](T Element) const {
return Get(Element);
}
};