Update Files

lib/haxebullet/bullet/BulletCollision/Gimpact/gim_memory.h

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+#ifndef GIM_MEMORY_H_INCLUDED
+#define GIM_MEMORY_H_INCLUDED
+/*! \file gim_memory.h
+\author Francisco Leon Najera
+*/
+/*
+-----------------------------------------------------------------------------
+This source file is part of GIMPACT Library.
+
+For the latest info, see http://gimpact.sourceforge.net/
+
+Copyright (c) 2006 Francisco Leon Najera. C.C. 80087371.
+email: projectileman@yahoo.com
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of EITHER:
+   (1) The GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 2.1 of the License, or (at
+       your option) any later version. The text of the GNU Lesser
+       General Public License is included with this library in the
+       file GIMPACT-LICENSE-LGPL.TXT.
+   (2) The BSD-style license that is included with this library in
+       the file GIMPACT-LICENSE-BSD.TXT.
+   (3) The zlib/libpng license that is included with this library in
+       the file GIMPACT-LICENSE-ZLIB.TXT.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files
+ GIMPACT-LICENSE-LGPL.TXT, GIMPACT-LICENSE-ZLIB.TXT and GIMPACT-LICENSE-BSD.TXT for more details.
+
+-----------------------------------------------------------------------------
+*/
+
+
+#include "gim_math.h"
+#include <string.h>
+
+#ifdef PREFETCH
+#include <xmmintrin.h>	// for prefetch
+#define pfval	64
+#define pfval2	128
+//! Prefetch 64
+#define pf(_x,_i)	_mm_prefetch((void *)(_x + _i + pfval), 0)
+//! Prefetch 128
+#define pf2(_x,_i)	_mm_prefetch((void *)(_x + _i + pfval2), 0)
+#else
+//! Prefetch 64
+#define pf(_x,_i)
+//! Prefetch 128
+#define pf2(_x,_i)
+#endif
+
+
+///Functions for manip packed arrays of numbers
+#define GIM_COPY_ARRAYS(dest_array,source_array,element_count)\
+{\
+    for (GUINT _i_=0;_i_<element_count ;++_i_)\
+    {\
+    	dest_array[_i_] = source_array[_i_];\
+    }\
+}\
+
+#define GIM_COPY_ARRAYS_1(dest_array,source_array,element_count,copy_macro)\
+{\
+    for (GUINT _i_=0;_i_<element_count ;++_i_)\
+    {\
+    	copy_macro(dest_array[_i_],source_array[_i_]);\
+    }\
+}\
+
+
+#define GIM_ZERO_ARRAY(array,element_count)\
+{\
+    for (GUINT _i_=0;_i_<element_count ;++_i_)\
+    {\
+    	array[_i_] = 0;\
+    }\
+}\
+
+#define GIM_CONSTANT_ARRAY(array,element_count,constant)\
+{\
+    for (GUINT _i_=0;_i_<element_count ;++_i_)\
+    {\
+    	array[_i_] = constant;\
+    }\
+}\
+
+
+///Function prototypes to allocate and free memory.
+typedef void * gim_alloc_function (size_t size);
+typedef void * gim_alloca_function (size_t size);//Allocs on the heap
+typedef void * gim_realloc_function (void *ptr, size_t oldsize, size_t newsize);
+typedef void gim_free_function (void *ptr);
+
+
+///Memory Function Handlers
+///set new memory management functions. if fn is 0, the default handlers are used.
+void gim_set_alloc_handler (gim_alloc_function *fn);
+void gim_set_alloca_handler (gim_alloca_function *fn);
+void gim_set_realloc_handler (gim_realloc_function *fn);
+void gim_set_free_handler (gim_free_function *fn);
+
+
+///get current memory management functions.
+gim_alloc_function *gim_get_alloc_handler (void);
+gim_alloca_function *gim_get_alloca_handler(void);
+gim_realloc_function *gim_get_realloc_handler (void);
+gim_free_function  *gim_get_free_handler (void);
+
+
+///Standar Memory functions
+void * gim_alloc(size_t size);
+void * gim_alloca(size_t size);
+void * gim_realloc(void *ptr, size_t oldsize, size_t newsize);
+void gim_free(void *ptr);
+
+
+
+#if defined (_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
+    #define GIM_SIMD_MEMORY 1
+#endif
+
+//! SIMD POINTER INTEGER
+#define SIMD_T GUINT64
+//! SIMD INTEGER SIZE
+#define SIMD_T_SIZE sizeof(SIMD_T)
+
+
+inline void gim_simd_memcpy(void * dst, const void * src, size_t copysize)
+{
+#ifdef GIM_SIMD_MEMORY
+/*
+//'long long int' is incompatible with visual studio 6...
+    //copy words
+    SIMD_T * ui_src_ptr = (SIMD_T *)src;
+    SIMD_T * ui_dst_ptr = (SIMD_T *)dst;
+    while(copysize>=SIMD_T_SIZE)
+    {
+        *(ui_dst_ptr++) = *(ui_src_ptr++);
+        copysize-=SIMD_T_SIZE;
+    }
+    if(copysize==0) return;
+*/
+
+    char * c_src_ptr = (char *)src;
+    char * c_dst_ptr = (char *)dst;
+    while(copysize>0)
+    {
+        *(c_dst_ptr++) = *(c_src_ptr++);
+        copysize--;
+    }
+    return;
+#else
+    memcpy(dst,src,copysize);
+#endif
+}
+
+
+
+template<class T>
+inline void gim_swap_elements(T* _array,size_t _i,size_t _j)
+{
+	T _e_tmp_ = _array[_i];
+	_array[_i] = _array[_j];
+	_array[_j] = _e_tmp_;
+}
+
+
+template<class T>
+inline void gim_swap_elements_memcpy(T* _array,size_t _i,size_t _j)
+{
+	char _e_tmp_[sizeof(T)];
+	gim_simd_memcpy(_e_tmp_,&_array[_i],sizeof(T));
+	gim_simd_memcpy(&_array[_i],&_array[_j],sizeof(T));
+	gim_simd_memcpy(&_array[_j],_e_tmp_,sizeof(T));
+}
+
+template <int SIZE>
+inline void gim_swap_elements_ptr(char * _array,size_t _i,size_t _j)
+{
+	char _e_tmp_[SIZE];
+	_i*=SIZE;
+	_j*=SIZE;
+	gim_simd_memcpy(_e_tmp_,_array+_i,SIZE);
+	gim_simd_memcpy(_array+_i,_array+_j,SIZE);
+	gim_simd_memcpy(_array+_j,_e_tmp_,SIZE);
+}
+
+#endif // GIM_MEMORY_H_INCLUDED