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Import latest revision of dqn lib from CSIGHT

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doylet
2024-03-19 23:11:00 +11:00
parent 7f2a0152e0
commit 158d058d5d
16 changed files with 270 additions and 81 deletions
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dqn_allocator.cpp
+13 -1
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@@ -220,7 +220,7 @@ DQN_API void Dqn_Arena_Pop(Dqn_Arena *arena, uint64_t amount)
Dqn_Arena_PopTo(arena, pop_to);
}
DQN_API uint64_t Dqn_Arena_Pos(Dqn_Arena *arena)
DQN_API uint64_t Dqn_Arena_Pos(Dqn_Arena const *arena)
{
uint64_t result = (arena && arena->curr) ? arena->curr->reserve_sum + arena->curr->used : 0;
return result;
@@ -231,6 +231,18 @@ DQN_API void Dqn_Arena_Clear(Dqn_Arena *arena)
Dqn_Arena_PopTo(arena, 0);
}
DQN_API bool Dqn_Arena_OwnsPtr(Dqn_Arena const *arena, void *ptr)
{
bool result = false;
uintptr_t uint_ptr = DQN_CAST(uintptr_t)ptr;
for (Dqn_ArenaBlock const *block = arena ? arena->curr : nullptr; !result && block; ) {
uintptr_t begin = DQN_CAST(uintptr_t) block + DQN_ARENA_HEADER_SIZE;
uintptr_t end = begin + block->reserve;
result = uint_ptr >= begin && uint_ptr <= end;
}
return result;
}
DQN_API Dqn_ArenaTempMem Dqn_Arena_TempMemBegin(Dqn_Arena *arena)
{
Dqn_ArenaTempMem result = {};