renderd7/source/Memory.cpp
2024-07-05 20:02:38 +02:00

57 lines
1.2 KiB
C++

#include <cstdlib>
#include <map>
#include <renderd7/Memory.hpp>
static RenderD7::Memory::memory_metrics metrics;
bool rd7i_enable_memtrack;
void *operator new(size_t size) {
void *ptr = malloc(size);
if (rd7i_enable_memtrack) metrics.t_TotalAllocated += size;
return ptr;
}
void operator delete(void *memory, size_t size) {
if (rd7i_enable_memtrack) metrics.t_TotalFreed += size;
free(memory);
}
int allocations = 0;
int total_size = 0;
std::map<void *, size_t> sizes;
void *operator new[](size_t size) {
void *ptr = malloc(size);
if (rd7i_enable_memtrack) {
allocations++;
total_size += size;
sizes[ptr] = size;
metrics.t_TotalAllocated += size;
}
return ptr;
}
void operator delete[](void *ptr) {
if (rd7i_enable_memtrack) {
allocations--;
total_size -= sizes[ptr];
metrics.t_TotalFreed += sizes[ptr];
sizes.erase(ptr);
}
free(ptr);
}
namespace RenderD7 {
namespace Memory {
size_t GetTotalAllocated() { return metrics.t_TotalAllocated; }
size_t GetTotalFreed() { return metrics.t_TotalFreed; }
size_t GetCurrent() { return metrics.t_CurrentlyAllocated(); }
} // namespace Memory
} // namespace RenderD7