40 lines
969 B
C++
40 lines
969 B
C++
#pragma once
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#include <3ds.h>
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#include <memory>
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#include <renderd7/Error.hpp>
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// Write own LinearAllocator for learning
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namespace RenderD7 {
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template <typename T>
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class LinearAllocator : public std::allocator<T> {
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public:
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typedef size_t size_type;
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typedef T* pointer;
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typedef const T* const_pointer;
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template <typename T1>
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struct rebind {
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typedef LinearAllocator<T1> other;
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};
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pointer allocate(size_type n, const void* hint = nullptr) {
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if (n > this->max_size()) {
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RenderD7::Error(
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"Linear Allocator: \nBad Alloc -> size is larger than free space!");
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return nullptr;
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}
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return (pointer)linearAlloc(n * sizeof(T));
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}
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void deallocate(pointer p, size_type) { linearFree((void*)p); }
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size_type max_size() { return linearSpaceFree(); }
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LinearAllocator() throw() {}
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LinearAllocator(const LinearAllocator<T>& a) throw() : std::allocator<T>(a) {}
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~LinearAllocator() throw() {}
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};
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} // namespace RenderD7
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