1 files changed, 68 insertions, 0 deletions
diff --git a/Runtime/Allocator/FixedHeapAllocator.cpp b/Runtime/Allocator/FixedHeapAllocator.cpp
new file mode 100644
index 0000000..1cc3c71
--- /dev/null
+++ b/Runtime/Allocator/FixedHeapAllocator.cpp
@@ -0,0 +1,68 @@
+#include "UnityPrefix.h"
+#include "FixedHeapAllocator.h"
+#include "tlsf/tlsf.h"
+
+#if FIXED_HEAP_ALLOC_COUNT_USED
+#define ALLOC_USED_MEM_INC(ptr) if (ptr) { m_nSizeUsed += tlsf_block_size(ptr); }
+#define ALLOC_USED_MEM_DEC(ptr) if (ptr) { m_nSizeUsed -= tlsf_block_size(ptr); }
+#else
+#define ALLOC_USED_MEM_INC(ptr)
+#define ALLOC_USED_MEM_DEC(ptr)
+#endif
+
+FixedHeapAllocator::FixedHeapAllocator(void* pMemoryBase, UInt32 nMemorySize, const char* name)
+: BaseAllocator(name)
+, m_TlsfPool(0)
+, m_pMemoryBase(pMemoryBase)
+, m_nMemorySize(nMemorySize)
+#if FIXED_HEAP_ALLOC_COUNT_USED
+, m_nSizeUsed(0)
+#endif
+{
+	m_TlsfPool = tlsf_create(pMemoryBase, nMemorySize);
+}
+
+
+FixedHeapAllocator::~FixedHeapAllocator()
+{
+	tlsf_destroy(m_TlsfPool);
+}
+
+void* FixedHeapAllocator::Allocate (size_t size, int align)
+{
+	void* addr = tlsf_memalign(m_TlsfPool, align, size);
+	ALLOC_USED_MEM_INC(addr);
+	return addr;
+}
+
+void* FixedHeapAllocator::Reallocate(void* p, size_t size, size_t align)
+{
+	ALLOC_USED_MEM_DEC(p);
+	void* addr = tlsf_realloc(m_TlsfPool, p, size);
+	ALLOC_USED_MEM_INC(addr);
+	return addr;
+}
+
+void FixedHeapAllocator::Deallocate(void* p)
+{
+	ALLOC_USED_MEM_DEC(p);
+	return tlsf_free(m_TlsfPool, p);
+}
+
+UInt32 FixedHeapAllocator::GetPtrSize(void* p)
+{
+	return (UInt32)tlsf_block_size(p);
+}
+
+bool FixedHeapAllocator::Contains(const void* p)
+{
+	return (p >= m_pMemoryBase && p < (char*)m_pMemoryBase + m_nMemorySize);
+}
+
+bool FixedHeapAllocator::CheckIntegrity()
+{
+	return tlsf_check_heap(m_TlsfPool);
+}
+
+#undef ALLOC_USED_MEM_INC
+#undef ALLOC_USED_MEM_DEC