///////////////////////////////////////////////////////////////////////////

//

// 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 <ImfSimd.h>

#include <stdlib.h>

#include "ImfExport.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;

}

Unexecuted instantiation: ImfScanLineInputFile.cpp:Imf_2_2::EXRAllocAligned(unsigned long, unsigned long)

Unexecuted instantiation: ImfDwaCompressor.cpp:Imf_2_2::EXRAllocAligned(unsigned long, unsigned long)

Unexecuted instantiation: ImfSystemSpecific.cpp:Imf_2_2::EXRAllocAligned(unsigned long, unsigned long)

static void EXRFreeAligned(void* ptr)

{

    free(ptr);

}

Unexecuted instantiation: ImfScanLineInputFile.cpp:Imf_2_2::EXRFreeAligned(void*)

Unexecuted instantiation: ImfDwaCompressor.cpp:Imf_2_2::EXRFreeAligned(void*)

Unexecuted instantiation: ImfSystemSpecific.cpp:Imf_2_2::EXRFreeAligned(void*)

#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

// 

// Simple CPUID based runtime detection of various capabilities

//

class IMF_EXPORT CpuId

{

    public:

        CpuId();

        bool sse2;

        bool sse3;

        bool ssse3;

        bool sse4_1;

        bool sse4_2;

        bool avx;

        bool f16c;

};

OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT

#endif //include guard