238 lines
6.9 KiB
C++
238 lines
6.9 KiB
C++
/*
|
|
Copyright (c) 2003-2006 Gino van den Bergen / Erwin Coumans http://continuousphysics.com/Bullet/
|
|
|
|
This software is provided 'as-is', without any express or implied warranty.
|
|
In no event will the authors be held liable for any damages arising from the use of this software.
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute it freely,
|
|
subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
|
|
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
#ifndef BT_SIMD_QUADWORD_H
|
|
#define BT_SIMD_QUADWORD_H
|
|
|
|
#include "btScalar.h"
|
|
#include "btMinMax.h"
|
|
|
|
#if defined(__CELLOS_LV2) && defined(__SPU__)
|
|
#include <altivec.h>
|
|
#endif
|
|
|
|
/**@brief The btQuadWord class is base class for btVector3 and btQuaternion.
|
|
* Some issues under PS3 Linux with IBM 2.1 SDK, gcc compiler prevent from using aligned quadword.
|
|
*/
|
|
#ifndef USE_LIBSPE2
|
|
ATTRIBUTE_ALIGNED16(class)
|
|
btQuadWord
|
|
#else
|
|
class btQuadWord
|
|
#endif
|
|
{
|
|
protected:
|
|
#if defined(__SPU__) && defined(__CELLOS_LV2__)
|
|
union {
|
|
vec_float4 mVec128;
|
|
btScalar m_floats[4];
|
|
};
|
|
|
|
public:
|
|
vec_float4 get128() const
|
|
{
|
|
return mVec128;
|
|
}
|
|
|
|
protected:
|
|
#else //__CELLOS_LV2__ __SPU__
|
|
|
|
#if defined(BT_USE_SSE) || defined(BT_USE_NEON)
|
|
union {
|
|
btSimdFloat4 mVec128;
|
|
btScalar m_floats[4];
|
|
};
|
|
|
|
public:
|
|
SIMD_FORCE_INLINE btSimdFloat4 get128() const
|
|
{
|
|
return mVec128;
|
|
}
|
|
SIMD_FORCE_INLINE void set128(btSimdFloat4 v128)
|
|
{
|
|
mVec128 = v128;
|
|
}
|
|
#else
|
|
btScalar m_floats[4];
|
|
#endif // BT_USE_SSE
|
|
|
|
#endif //__CELLOS_LV2__ __SPU__
|
|
|
|
public:
|
|
#if (defined(BT_USE_SSE_IN_API) && defined(BT_USE_SSE)) || defined(BT_USE_NEON)
|
|
|
|
// Set Vector
|
|
SIMD_FORCE_INLINE btQuadWord(const btSimdFloat4 vec)
|
|
{
|
|
mVec128 = vec;
|
|
}
|
|
|
|
// Copy constructor
|
|
SIMD_FORCE_INLINE btQuadWord(const btQuadWord& rhs)
|
|
{
|
|
mVec128 = rhs.mVec128;
|
|
}
|
|
|
|
// Assignment Operator
|
|
SIMD_FORCE_INLINE btQuadWord&
|
|
operator=(const btQuadWord& v)
|
|
{
|
|
mVec128 = v.mVec128;
|
|
|
|
return *this;
|
|
}
|
|
|
|
#endif
|
|
|
|
/**@brief Return the x value */
|
|
SIMD_FORCE_INLINE const btScalar& getX() const { return m_floats[0]; }
|
|
/**@brief Return the y value */
|
|
SIMD_FORCE_INLINE const btScalar& getY() const { return m_floats[1]; }
|
|
/**@brief Return the z value */
|
|
SIMD_FORCE_INLINE const btScalar& getZ() const { return m_floats[2]; }
|
|
/**@brief Set the x value */
|
|
SIMD_FORCE_INLINE void setX(btScalar _x) { m_floats[0] = _x; };
|
|
/**@brief Set the y value */
|
|
SIMD_FORCE_INLINE void setY(btScalar _y) { m_floats[1] = _y; };
|
|
/**@brief Set the z value */
|
|
SIMD_FORCE_INLINE void setZ(btScalar _z) { m_floats[2] = _z; };
|
|
/**@brief Set the w value */
|
|
SIMD_FORCE_INLINE void setW(btScalar _w) { m_floats[3] = _w; };
|
|
/**@brief Return the x value */
|
|
SIMD_FORCE_INLINE const btScalar& x() const { return m_floats[0]; }
|
|
/**@brief Return the y value */
|
|
SIMD_FORCE_INLINE const btScalar& y() const { return m_floats[1]; }
|
|
/**@brief Return the z value */
|
|
SIMD_FORCE_INLINE const btScalar& z() const { return m_floats[2]; }
|
|
/**@brief Return the w value */
|
|
SIMD_FORCE_INLINE const btScalar& w() const { return m_floats[3]; }
|
|
|
|
//SIMD_FORCE_INLINE btScalar& operator[](int i) { return (&m_floats[0])[i]; }
|
|
//SIMD_FORCE_INLINE const btScalar& operator[](int i) const { return (&m_floats[0])[i]; }
|
|
///operator btScalar*() replaces operator[], using implicit conversion. We added operator != and operator == to avoid pointer comparisons.
|
|
SIMD_FORCE_INLINE operator btScalar*() { return &m_floats[0]; }
|
|
SIMD_FORCE_INLINE operator const btScalar*() const { return &m_floats[0]; }
|
|
|
|
SIMD_FORCE_INLINE bool operator==(const btQuadWord& other) const
|
|
{
|
|
#ifdef BT_USE_SSE
|
|
return (0xf == _mm_movemask_ps((__m128)_mm_cmpeq_ps(mVec128, other.mVec128)));
|
|
#else
|
|
return ((m_floats[3] == other.m_floats[3]) &&
|
|
(m_floats[2] == other.m_floats[2]) &&
|
|
(m_floats[1] == other.m_floats[1]) &&
|
|
(m_floats[0] == other.m_floats[0]));
|
|
#endif
|
|
}
|
|
|
|
SIMD_FORCE_INLINE bool operator!=(const btQuadWord& other) const
|
|
{
|
|
return !(*this == other);
|
|
}
|
|
|
|
/**@brief Set x,y,z and zero w
|
|
* @param x Value of x
|
|
* @param y Value of y
|
|
* @param z Value of z
|
|
*/
|
|
SIMD_FORCE_INLINE void setValue(const btScalar& _x, const btScalar& _y, const btScalar& _z)
|
|
{
|
|
m_floats[0] = _x;
|
|
m_floats[1] = _y;
|
|
m_floats[2] = _z;
|
|
m_floats[3] = 0.f;
|
|
}
|
|
|
|
/* void getValue(btScalar *m) const
|
|
{
|
|
m[0] = m_floats[0];
|
|
m[1] = m_floats[1];
|
|
m[2] = m_floats[2];
|
|
}
|
|
*/
|
|
/**@brief Set the values
|
|
* @param x Value of x
|
|
* @param y Value of y
|
|
* @param z Value of z
|
|
* @param w Value of w
|
|
*/
|
|
SIMD_FORCE_INLINE void setValue(const btScalar& _x, const btScalar& _y, const btScalar& _z, const btScalar& _w)
|
|
{
|
|
m_floats[0] = _x;
|
|
m_floats[1] = _y;
|
|
m_floats[2] = _z;
|
|
m_floats[3] = _w;
|
|
}
|
|
/**@brief No initialization constructor */
|
|
SIMD_FORCE_INLINE btQuadWord()
|
|
// :m_floats[0](btScalar(0.)),m_floats[1](btScalar(0.)),m_floats[2](btScalar(0.)),m_floats[3](btScalar(0.))
|
|
{
|
|
}
|
|
|
|
/**@brief Three argument constructor (zeros w)
|
|
* @param x Value of x
|
|
* @param y Value of y
|
|
* @param z Value of z
|
|
*/
|
|
SIMD_FORCE_INLINE btQuadWord(const btScalar& _x, const btScalar& _y, const btScalar& _z)
|
|
{
|
|
m_floats[0] = _x, m_floats[1] = _y, m_floats[2] = _z, m_floats[3] = 0.0f;
|
|
}
|
|
|
|
/**@brief Initializing constructor
|
|
* @param x Value of x
|
|
* @param y Value of y
|
|
* @param z Value of z
|
|
* @param w Value of w
|
|
*/
|
|
SIMD_FORCE_INLINE btQuadWord(const btScalar& _x, const btScalar& _y, const btScalar& _z, const btScalar& _w)
|
|
{
|
|
m_floats[0] = _x, m_floats[1] = _y, m_floats[2] = _z, m_floats[3] = _w;
|
|
}
|
|
|
|
/**@brief Set each element to the max of the current values and the values of another btQuadWord
|
|
* @param other The other btQuadWord to compare with
|
|
*/
|
|
SIMD_FORCE_INLINE void setMax(const btQuadWord& other)
|
|
{
|
|
#ifdef BT_USE_SSE
|
|
mVec128 = _mm_max_ps(mVec128, other.mVec128);
|
|
#elif defined(BT_USE_NEON)
|
|
mVec128 = vmaxq_f32(mVec128, other.mVec128);
|
|
#else
|
|
btSetMax(m_floats[0], other.m_floats[0]);
|
|
btSetMax(m_floats[1], other.m_floats[1]);
|
|
btSetMax(m_floats[2], other.m_floats[2]);
|
|
btSetMax(m_floats[3], other.m_floats[3]);
|
|
#endif
|
|
}
|
|
/**@brief Set each element to the min of the current values and the values of another btQuadWord
|
|
* @param other The other btQuadWord to compare with
|
|
*/
|
|
SIMD_FORCE_INLINE void setMin(const btQuadWord& other)
|
|
{
|
|
#ifdef BT_USE_SSE
|
|
mVec128 = _mm_min_ps(mVec128, other.mVec128);
|
|
#elif defined(BT_USE_NEON)
|
|
mVec128 = vminq_f32(mVec128, other.mVec128);
|
|
#else
|
|
btSetMin(m_floats[0], other.m_floats[0]);
|
|
btSetMin(m_floats[1], other.m_floats[1]);
|
|
btSetMin(m_floats[2], other.m_floats[2]);
|
|
btSetMin(m_floats[3], other.m_floats[3]);
|
|
#endif
|
|
}
|
|
};
|
|
|
|
#endif //BT_SIMD_QUADWORD_H
|