tobid7
7d3f619169
- Add GIT_BRANCH (for development and stable) - Write Documentation of - pd-core (exept of vec.hpp) - pd-app - pd-drivers - pd-lib3ds - pd-image - pd-image - pd-ui7
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
#pragma once
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/*
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MIT License
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Copyright (c) 2024 - 2025 tobid7
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <3ds.h>
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#include <pd/app/error.hpp>
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#include <pd/core/common.hpp>
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namespace PD {
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/**
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* Custom C++ Allocator for 3DS linear Memory
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* Used for Everything that has to do with Rendering or sound
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* Dont going into that much detail here
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*
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* Example:
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* ```cpp
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* // Index Buffer for Rendering using Linear Allocator
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* std::vector<u16, PD::LinearAllocator<u16>> index_buf;
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* ```
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*/
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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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using size_type = size_t;
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using pointer = T*;
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using const_pointer = const T*;
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template <typename T1>
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struct rebind {
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using other = LinearAllocator<T1>;
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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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Error("Linear Alloc failed (no space left)");
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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() noexcept {}
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LinearAllocator(const LinearAllocator<T>& a) noexcept
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: std::allocator<T>(a) {}
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~LinearAllocator() noexcept {}
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};
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} // namespace PD
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