mirror of
https://github.com/etlegacy/EasyGen.git
synced 2024-11-10 06:42:16 +00:00
153 lines
3.9 KiB
C
153 lines
3.9 KiB
C
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2012, Industrial Light & Magic, a division of Lucas
|
|
// Digital Ltd. LLC
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Industrial Light & Magic nor the names of
|
|
// its contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef INCLUDED_IMF_COMPILER_SPECIFIC_H
|
|
#define INCLUDED_IMF_COMPILER_SPECIFIC_H
|
|
|
|
#include <ImfNamespace.h>
|
|
#include <stdlib.h>
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
|
|
|
|
|
|
static unsigned long systemEndianCheckValue = 0x12345678;
|
|
static unsigned long* systemEndianCheckPointer = &systemEndianCheckValue;
|
|
|
|
// EXR files are little endian - check processor architecture is too
|
|
// (optimisation currently not supported for big endian machines)
|
|
static bool GLOBAL_SYSTEM_LITTLE_ENDIAN =
|
|
(*(unsigned char*)systemEndianCheckPointer == 0x78 ? true : false);
|
|
|
|
|
|
#ifdef IMF_HAVE_SSE2
|
|
|
|
#ifdef __GNUC__
|
|
// Causes issues on certain gcc versions
|
|
//#define EXR_FORCEINLINE inline __attribute__((always_inline))
|
|
#define EXR_FORCEINLINE inline
|
|
#define EXR_RESTRICT __restrict
|
|
|
|
static void* EXRAllocAligned(size_t size, size_t alignment)
|
|
{
|
|
void* ptr = 0;
|
|
posix_memalign(&ptr, alignment, size);
|
|
return ptr;
|
|
}
|
|
|
|
|
|
static void EXRFreeAligned(void* ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
|
|
#elif defined _MSC_VER
|
|
|
|
#define EXR_FORCEINLINE __forceinline
|
|
#define EXR_RESTRICT __restrict
|
|
|
|
static void* EXRAllocAligned(size_t size, size_t alignment)
|
|
{
|
|
return _aligned_malloc(size, alignment);
|
|
}
|
|
|
|
|
|
static void EXRFreeAligned(void* ptr)
|
|
{
|
|
_aligned_free(ptr);
|
|
}
|
|
|
|
#elif defined (__INTEL_COMPILER) || \
|
|
defined(__ICL) || \
|
|
defined(__ICC) || \
|
|
defined(__ECC)
|
|
|
|
#define EXR_FORCEINLINE inline
|
|
#define EXR_RESTRICT restrict
|
|
|
|
static void* EXRAllocAligned(size_t size, size_t alignment)
|
|
{
|
|
return _mm_malloc(size, alignment);
|
|
}
|
|
|
|
|
|
static void EXRFreeAligned(void* ptr)
|
|
{
|
|
_mm_free(ptr);
|
|
}
|
|
|
|
#else
|
|
|
|
// generic compiler
|
|
#define EXR_FORCEINLINE inline
|
|
#define EXR_RESTRICT
|
|
|
|
static void* EXRAllocAligned(size_t size, size_t alignment)
|
|
{
|
|
return malloc(size);
|
|
}
|
|
|
|
|
|
static void EXRFreeAligned(void* ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
|
|
#endif // compiler switch
|
|
|
|
|
|
#else // IMF_HAVE_SSE2
|
|
|
|
|
|
#define EXR_FORCEINLINE inline
|
|
#define EXR_RESTRICT
|
|
|
|
static void* EXRAllocAligned(size_t size, size_t alignment)
|
|
{
|
|
return malloc(size);
|
|
}
|
|
|
|
|
|
static void EXRFreeAligned(void* ptr)
|
|
{
|
|
free(ptr);
|
|
}
|
|
|
|
|
|
#endif // IMF_HAVE_SSE2
|
|
|
|
|
|
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
|
|
|
|
|
|
#endif //include guard
|