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//-----------------------------------------------------------------------------
// Name: stack_allocator.h
// Developer: Wolfire Games LLC
// Description:
// License: Read below
//-----------------------------------------------------------------------------
//
// Copyright 2022 Wolfire Games LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-----------------------------------------------------------------------------
#pragma once
#include <Internal/integer.h>
#include <cstdlib>
class StackAllocator {
public:
void Init(void* mem, size_t size);
void Dispose();
void* Alloc(size_t size);
void Free(void* ptr);
size_t TopBlockSize();
uint64_t AllocatedAmountMemory();
void* mem;
uint32_t GetCurrentAllocations();
uint32_t GetAndResetAllocationCount();
private:
uint32_t frame_allocation_count;
uint32_t current_allocation_count;
static const int kMaxBlocks = 100;
uintptr_t stack_block_pts[kMaxBlocks];
int stack_blocks;
size_t size;
};
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