godot/core/os/memory.cpp

120 lines
4.3 KiB
C++

/*************************************************************************/
/* memory.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "memory.h"
#include "copymem.h"
#include "error_macros.h"
#include <stdio.h>
void *operator new(size_t p_size, const char *p_description) {
return Memory::alloc_static(p_size, p_description);
}
void *operator new(size_t p_size, void *(*p_allocfunc)(size_t p_size)) {
return p_allocfunc(p_size);
}
#include <stdio.h>
void *Memory::alloc_static(size_t p_bytes, const char *p_alloc_from) {
ERR_FAIL_COND_V(!MemoryPoolStatic::get_singleton(), NULL);
return MemoryPoolStatic::get_singleton()->alloc(p_bytes, p_alloc_from);
}
void *Memory::realloc_static(void *p_memory, size_t p_bytes) {
ERR_FAIL_COND_V(!MemoryPoolStatic::get_singleton(), NULL);
return MemoryPoolStatic::get_singleton()->realloc(p_memory, p_bytes);
}
void Memory::free_static(void *p_ptr) {
ERR_FAIL_COND(!MemoryPoolStatic::get_singleton());
MemoryPoolStatic::get_singleton()->free(p_ptr);
}
size_t Memory::get_static_mem_available() {
ERR_FAIL_COND_V(!MemoryPoolStatic::get_singleton(), 0);
return MemoryPoolStatic::get_singleton()->get_available_mem();
}
size_t Memory::get_static_mem_max_usage() {
ERR_FAIL_COND_V(!MemoryPoolStatic::get_singleton(), 0);
return MemoryPoolStatic::get_singleton()->get_max_usage();
}
size_t Memory::get_static_mem_usage() {
ERR_FAIL_COND_V(!MemoryPoolStatic::get_singleton(), 0);
return MemoryPoolStatic::get_singleton()->get_total_usage();
}
void Memory::dump_static_mem_to_file(const char *p_file) {
MemoryPoolStatic::get_singleton()->dump_mem_to_file(p_file);
}
MID Memory::alloc_dynamic(size_t p_bytes, const char *p_descr) {
MemoryPoolDynamic::ID id = MemoryPoolDynamic::get_singleton()->alloc(p_bytes, p_descr);
return MID(id);
}
Error Memory::realloc_dynamic(MID p_mid, size_t p_bytes) {
MemoryPoolDynamic::ID id = p_mid.data ? p_mid.data->id : MemoryPoolDynamic::INVALID_ID;
if (id == MemoryPoolDynamic::INVALID_ID)
return ERR_INVALID_PARAMETER;
return MemoryPoolDynamic::get_singleton()->realloc(p_mid, p_bytes);
}
size_t Memory::get_dynamic_mem_available() {
return MemoryPoolDynamic::get_singleton()->get_available_mem();
}
size_t Memory::get_dynamic_mem_usage() {
return MemoryPoolDynamic::get_singleton()->get_total_usage();
}
_GlobalNil::_GlobalNil() {
color = 1;
left = this;
right = this;
parent = this;
}
_GlobalNil _GlobalNilClass::_nil;