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Wwise SDK 2022.1.11
AkVectorValueRamp.h
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1 /*******************************************************************************
2 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
3 released in source code form as part of the SDK installer package.
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5 Commercial License Usage
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14 Alternatively, this file may be used under the Apache License, Version 2.0 (the
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26 
27 #ifndef _AK_VECTORVALUERAMP_H_
28 #define _AK_VECTORVALUERAMP_H_
29 
31 
32 /// Tool for computing a ramp using SIMD types.
33 /// Implementation using AKSIMD_V4F32
35 {
36 public:
37 
38  AkForceInline AKSIMD_V4F32 Setup( AkReal32 in_fStartValue, AkReal32 in_fStopValue, AkUInt32 in_uNumFrames )
39  {
40  const AkReal32 fIncrement = (in_fStopValue-in_fStartValue)/in_uNumFrames;
41  const AkReal32 f4xInc = 4.f*fIncrement;
42  vIncrement = AKSIMD_LOAD1_V4F32( f4xInc);
43  AK_ALIGN_SIMD( AkReal32 fVal[4] );
44  fVal[0] = in_fStartValue;
45  fVal[1] = fVal[0] + fIncrement;
46  fVal[2] = fVal[1] + fIncrement;
47  fVal[3] = fVal[2] + fIncrement;
48  vValueRamp = AKSIMD_LOAD_V4F32( fVal );
49  return vValueRamp;
50  }
51 
53  {
54  vValueRamp = AKSIMD_ADD_V4F32( vValueRamp, vIncrement );
55  return vValueRamp;
56  }
57 
58 private:
59  AKSIMD_V4F32 vIncrement;
60  AKSIMD_V4F32 vValueRamp;
61 };
62 
63 
64 #ifdef AKSIMD_V2F32_SUPPORTED
65 /// Tool for computing a ramp using SIMD types.
66 /// Implementation using AKSIMD_V2F32
67 class CAkVectorValueRampV2
68 {
69 public:
70 
71  AkForceInline AKSIMD_V2F32 Setup( AkReal32 in_fStartValue, AkReal32 in_fStopValue, AkUInt32 in_uNumFrames )
72  {
73  const AkReal32 fIncrement = (in_fStopValue-in_fStartValue)/in_uNumFrames;
74  const AkReal32 f2xInc = 2.f*fIncrement;
75  vIncrement = AKSIMD_SET_V2F32( f2xInc );
76  AKSIMD_BUILD_V2F32( const AKSIMD_V2F32 vStartOffset, 0.f, fIncrement );
77  AKSIMD_V2F32 l_vValueRamp = AKSIMD_SET_V2F32( in_fStartValue );
78  l_vValueRamp = AKSIMD_ADD_V2F32( l_vValueRamp, vStartOffset );
79  vValueRamp = l_vValueRamp;
80  return l_vValueRamp;
81  }
82 
84  {
85  vValueRamp = AKSIMD_ADD_V2F32( vValueRamp, vIncrement );
86  return vValueRamp;
87  }
88 
89 private:
90  AKSIMD_V2F32 vIncrement;
91  AKSIMD_V2F32 vValueRamp;
92 };
93 #endif
94 
95 // By default, CAkVectorValueRamp uses the V4 implementation.
97 
98 #endif //_AK_VECTORVALUERAMP_H_
#define AKSIMD_ADD_V2F32(__a__, __b__)
Definition: AkSimd.h:630
CAkVectorValueRampV4 CAkVectorValueRamp
float32x4_t AKSIMD_V4F32
Vector of 4 32-bit floats.
Definition: AkSimd.h:72
#define AKSIMD_SET_V2F32(__scalar__)
Sets the two single-precision, floating-point values to scalar
Definition: AkSimd.h:201
AkForceInline AKSIMD_V4F32 Setup(AkReal32 in_fStartValue, AkReal32 in_fStopValue, AkUInt32 in_uNumFrames)
#define AKSIMD_LOAD_V4F32(__addr__)
Definition: AkSimd.h:96
float AkReal32
32-bit floating point
#define AKSIMD_LOAD1_V4F32(__scalar__)
Definition: AkSimd.h:104
float32x2_t AKSIMD_V2F32
Vector of 2 32-bit floats.
Definition: AkSimd.h:71
#define AKSIMD_ADD_V4F32(__a__, __b__)
Definition: AkSimd.h:626
uint32_t AkUInt32
Unsigned 32-bit integer.
#define AK_ALIGN_SIMD(_declaration_)
Platform-specific alignment requirement for SIMD data.
Definition: AkTypes.h:53
#define AkForceInline
Definition: AkTypes.h:63
AkForceInline AKSIMD_V4F32 Tick()

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