tetrees/Plugins/Wwise/ThirdParty/include/AK/SoundEngine/Common/AkSimd.h

/*******************************************************************************
The content of this file includes portions of the AUDIOKINETIC Wwise Technology
released in source code form as part of the SDK installer package.

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  Copyright (c) 2023 Audiokinetic Inc.
*******************************************************************************/

// AkSimd.h

/// \file 
/// Simd definitions.

#pragma once

#include <AK/SoundEngine/Common/AkTypes.h>

/// Get the element at index __num__ in vector __vName
#define AKSIMD_GETELEMENT_V4F32( __vName, __num__ )			((AkReal32*)&(__vName))[(__num__)]
#define AKSIMD_GETELEMENT_V2F32( __vName, __num__ )			((AkReal32*)&(__vName))[(__num__)]
#define AKSIMD_GETELEMENT_V2F64( __vName, __num__ )			((AkReal64*)&(__vName))[(__num__)]
#define AKSIMD_GETELEMENT_V4I32( __vName, __num__ )			((AkInt32*)&(__vName))[(__num__)]
#define AKSIMD_GETELEMENT_V2I64( __vName, __num__ )			((AkInt64*)&(__vName))[(__num__)]

//////////////////////////////////////////////////////////////////////////
// Platform-specific section.

#if defined( AK_WIN ) || defined( AK_XBOX )
	
	#include <AK/SoundEngine/Platforms/Windows/AkSimd.h>

#elif defined( AK_APPLE )

	#include <TargetConditionals.h>
	#include <AK/SoundEngine/Platforms/Mac/AkSimd.h>

#elif defined( AK_ANDROID )

	#include <AK/SoundEngine/Platforms/Android/AkSimd.h>

#elif defined( AK_PS4 )

	#include <AK/SoundEngine/Platforms/PS4/AkSimd.h>
	
#elif defined( AK_PS5 )

	#include <AK/SoundEngine/Platforms/PS5/AkSimd.h>

#elif defined( AK_LINUX )

	#include <AK/SoundEngine/Platforms/Linux/AkSimd.h>

#elif defined( AK_EMSCRIPTEN )

	#include <AK/SoundEngine/Platforms/Emscripten/AkSimd.h>

#elif defined( AK_QNX )

	#include <AK/SoundEngine/Platforms/QNX/AkSimd.h>

#elif defined( AK_NX )

	#include <AK/SoundEngine/Platforms/NX/AkSimd.h>

#else
	#error Unsupported platform, or platform-specific SIMD not defined
#endif

//////////////////////////////////////////////////////////////////////////
// Other helpers

#ifndef AKSIMD_ASSERTFLUSHZEROMODE
	#define AKSIMD_ASSERTFLUSHZEROMODE
#endif

#ifndef AKSIMD_DECLARE_V4F32_TYPE
	#define AKSIMD_DECLARE_V4F32_TYPE AKSIMD_V4F32
#endif

#ifndef AKSIMD_DECLARE_V4I32_TYPE
	#define AKSIMD_DECLARE_V4I32_TYPE AKSIMD_V4I32
#endif

#ifndef AKSIMD_DECLARE_V4F32
	#define AKSIMD_DECLARE_V4F32( _x, _a, _b, _c, _d ) AKSIMD_DECLARE_V4F32_TYPE _x = { _a, _b, _c, _d }
#endif

#ifndef AKSIMD_DECLARE_V4I32
	#define AKSIMD_DECLARE_V4I32( _x, _a, _b, _c, _d ) AKSIMD_DECLARE_V4I32_TYPE _x = { _a, _b, _c, _d }
#endif

#ifndef AKSIMD_SETELEMENT_V4F32
	#define AKSIMD_SETELEMENT_V4F32( __vName__, __num__, __value__ ) ( AKSIMD_GETELEMENT_V4F32( __vName__, __num__ ) = (__value__) )
#endif

/// Rotate four vectors. After rotation:
///  A[3:0] = D[0] C[0] B[0] A[0]
///  B[3:0] = D[1] C[1] B[1] A[1]
///  C[3:0] = D[2] C[2] B[2] A[2]
///  D[3:0] = D[3] C[3] B[3] A[3]
AkForceInline void AKSIMD_TRANSPOSE4X4_V4F32(AKSIMD_V4F32 &A, AKSIMD_V4F32 &B, AKSIMD_V4F32 &C, AKSIMD_V4F32 &D)
{
	AKSIMD_V4F32 tmp1, tmp2, tmp3, tmp4;		
	tmp1 = AKSIMD_MOVELH_V4F32(A, B);
	tmp2 = AKSIMD_MOVEHL_V4F32(B, A);
	tmp3 = AKSIMD_MOVELH_V4F32(C, D);
	tmp4 = AKSIMD_MOVEHL_V4F32(D, C);

	A = AKSIMD_SHUFFLE_V4F32(tmp1, tmp3, AKSIMD_SHUFFLE(2, 0, 2, 0));
	B = AKSIMD_SHUFFLE_V4F32(tmp1, tmp3, AKSIMD_SHUFFLE(3, 1, 3, 1));
	C = AKSIMD_SHUFFLE_V4F32(tmp2, tmp4, AKSIMD_SHUFFLE(2, 0, 2, 0));
	D = AKSIMD_SHUFFLE_V4F32(tmp2, tmp4, AKSIMD_SHUFFLE(3, 1, 3, 1));
}