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FIFOQueue: Fix contiguous space with full buffer

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This commit is contained in:
Connor McLaughlin 2021-07-03 14:29:25 +10:00
parent 47b390e356
commit dbe5f3c30c
1 changed files with 9 additions and 1 deletions
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10
src/common/fifo_queue.h
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@ -23,7 +23,15 @@ public:
T* GetWritePointer() { return &m_ptr[m_tail]; } T* GetWritePointer() { return &m_ptr[m_tail]; }
u32 GetSize() const { return m_size; } u32 GetSize() const { return m_size; }
u32 GetSpace() const { return CAPACITY - m_size; } u32 GetSpace() const { return CAPACITY - m_size; }
u32 GetContiguousSpace() const { return (m_tail >= m_head) ? (CAPACITY - m_tail) : (m_head - m_tail); } u32 GetContiguousSpace() const
{
if (m_tail == m_head && m_size > 0)
return 0;
else if (m_tail >= m_head)
return (CAPACITY - m_tail);
else
return (m_head - m_tail);
}
u32 GetContiguousSize() const { return std::min<u32>(CAPACITY - m_head, m_size); } u32 GetContiguousSize() const { return std::min<u32>(CAPACITY - m_head, m_size); }
bool IsEmpty() const { return m_size == 0; } bool IsEmpty() const { return m_size == 0; }
bool IsFull() const { return m_size == CAPACITY; } bool IsFull() const { return m_size == CAPACITY; }