// // Copyright (C) 1993-1996 by id Software, Inc. // // This source is available for distribution and/or modification // only under the terms of the DOOM Source Code License as // published by id Software. All rights reserved. // // The source is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License // for more details. // #pragma once #include namespace swrenderer { // Memory needed for the duration of a frame rendering class RenderMemory { public: static void Clear(); template static T *AllocMemory(int size = 1) { return (T*)AllocBytes(sizeof(T) * size); } template static T *NewObject(Types &&... args) { void *ptr = AllocBytes(sizeof(T)); return new (ptr)T(std::forward(args)...); } private: static void *AllocBytes(int size); enum { BlockSize = 1024 * 1024 }; struct MemoryBlock { MemoryBlock() : Data(new uint8_t[BlockSize]), Position(0) { } ~MemoryBlock() { delete[] Data; } MemoryBlock(const MemoryBlock &) = delete; MemoryBlock &operator=(const MemoryBlock &) = delete; uint8_t *Data; uint32_t Position; }; static std::vector> UsedBlocks; static std::vector> FreeBlocks; }; }