blender/intern/cycles/util/util_aligned_malloc.cpp
Sergey Sharybin 0579eaae1f Cycles: Make all #include statements relative to cycles source directory
The idea is to make include statements more explicit and obvious where the
file is coming from, additionally reducing chance of wrong header being
picked up.

For example, it was not obvious whether bvh.h was refferring to builder
or traversal, whenter node.h is a generic graph node or a shader node
and cases like that.

Surely this might look obvious for the active developers, but after some
time of not touching the code it becomes less obvious where file is coming
from.

This was briefly mentioned in T50824 and seems @brecht is fine with such
explicitness, but need to agree with all active developers before committing
this.

Please note that this patch is lacking changes related on GPU/OpenCL
support. This will be solved if/when we all agree this is a good idea to move
forward.

Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner

Reviewed By: lukasstockner97, maiself, nirved, dingto

Subscribers: brecht

Differential Revision: https://developer.blender.org/D2586
2017-03-29 13:41:11 +02:00

83 lines
2.2 KiB
C++

/*
* Copyright 2011-2015 Blender Foundation
*
* 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.
*/
#include "util/util_aligned_malloc.h"
#include "util/util_guarded_allocator.h"
#include <cassert>
/* Adopted from Libmv. */
#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__)
/* Needed for memalign on Linux and _aligned_alloc on Windows. */
# ifdef FREE_WINDOWS
/* Make sure _aligned_malloc is included. */
# ifdef __MSVCRT_VERSION__
# undef __MSVCRT_VERSION__
# endif
# define __MSVCRT_VERSION__ 0x0700
# endif /* FREE_WINDOWS */
# include <malloc.h>
#else
/* Apple's malloc is 16-byte aligned, and does not have malloc.h, so include
* stdilb instead.
*/
# include <cstdlib>
#endif
CCL_NAMESPACE_BEGIN
void *util_aligned_malloc(size_t size, int alignment)
{
#ifdef WITH_BLENDER_GUARDEDALLOC
return MEM_mallocN_aligned(size, alignment, "Cycles Aligned Alloc");
#elif defined(_WIN32)
return _aligned_malloc(size, alignment);
#elif defined(__APPLE__)
/* On Mac OS X, both the heap and the stack are guaranteed 16-byte aligned so
* they work natively with SSE types with no further work.
*/
assert(alignment == 16);
return malloc(size);
#elif defined(__FreeBSD__) || defined(__NetBSD__)
void *result;
if(posix_memalign(&result, alignment, size)) {
/* Non-zero means allocation error
* either no allocation or bad alignment value.
*/
return NULL;
}
return result;
#else /* This is for Linux. */
return memalign(alignment, size);
#endif
}
void util_aligned_free(void *ptr)
{
#if defined(WITH_BLENDER_GUARDEDALLOC)
if(ptr != NULL) {
MEM_freeN(ptr);
}
#elif defined(_WIN32)
_aligned_free(ptr);
#else
free(ptr);
#endif
}
CCL_NAMESPACE_END