llv4matrix3.h
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- /**
- * @file llviewerjointmesh.cpp
- * @brief LLV4* class header file - vector processor enabled math
- *
- * $LicenseInfo:firstyear=2007&license=viewergpl$
- *
- * Copyright (c) 2007-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLV4MATRIX3_H
- #define LL_LLV4MATRIX3_H
- #include "llv4math.h"
- #include "llv4vector3.h"
- #include "m3math.h" // for operator LLMatrix3()
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- // LLV4Matrix3
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- LL_LLV4MATH_ALIGN_PREFIX
- class LLV4Matrix3
- {
- public:
- union {
- F32 mMatrix[LLV4_NUM_AXIS][LLV4_NUM_AXIS];
- V4F32 mV[LLV4_NUM_AXIS];
- };
- void lerp(const LLV4Matrix3 &a, const LLV4Matrix3 &b, const F32 &w);
- void multiply(const LLVector3 &a, LLVector3& out) const;
- void multiply(const LLVector4 &a, LLV4Vector3& out) const;
- void multiply(const LLVector3 &a, LLV4Vector3& out) const;
- const LLV4Matrix3& transpose();
- const LLV4Matrix3& operator=(const LLMatrix3& a);
- operator LLMatrix3() const { return (reinterpret_cast<const LLMatrix4*>(const_cast<const F32*>(&mMatrix[0][0])))->getMat3(); }
- friend LLVector3 operator*(const LLVector3& a, const LLV4Matrix3& b);
- }
- LL_LLV4MATH_ALIGN_POSTFIX;
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- // LLV4Matrix3 - SSE
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- #if LL_VECTORIZE
- inline void LLV4Matrix3::lerp(const LLV4Matrix3 &a, const LLV4Matrix3 &b, const F32 &w)
- {
- __m128 vw = _mm_set1_ps(w);
- mV[VX] = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(b.mV[VX], a.mV[VX]), vw), a.mV[VX]); // ( b - a ) * w + a
- mV[VY] = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(b.mV[VY], a.mV[VY]), vw), a.mV[VY]);
- mV[VZ] = _mm_add_ps(_mm_mul_ps(_mm_sub_ps(b.mV[VZ], a.mV[VZ]), vw), a.mV[VZ]);
- }
- inline void LLV4Matrix3::multiply(const LLVector3 &a, LLVector3& o) const
- {
- LLV4Vector3 j;
- j.v = _mm_mul_ps(_mm_set1_ps(a.mV[VX]), mV[VX]); // ( ax * vx ) + ...
- j.v = _mm_add_ps(j.v , _mm_mul_ps(_mm_set1_ps(a.mV[VY]), mV[VY]));
- j.v = _mm_add_ps(j.v , _mm_mul_ps(_mm_set1_ps(a.mV[VZ]), mV[VZ]));
- o.setVec(j.mV);
- }
- inline void LLV4Matrix3::multiply(const LLVector4 &a, LLV4Vector3& o) const
- {
- o.v = _mm_mul_ps(_mm_set1_ps(a.mV[VX]), mV[VX]); // ( ax * vx ) + ...
- o.v = _mm_add_ps(o.v , _mm_mul_ps(_mm_set1_ps(a.mV[VY]), mV[VY]));
- o.v = _mm_add_ps(o.v , _mm_mul_ps(_mm_set1_ps(a.mV[VZ]), mV[VZ]));
- }
- inline void LLV4Matrix3::multiply(const LLVector3 &a, LLV4Vector3& o) const
- {
- o.v = _mm_mul_ps(_mm_set1_ps(a.mV[VX]), mV[VX]); // ( ax * vx ) + ...
- o.v = _mm_add_ps(o.v , _mm_mul_ps(_mm_set1_ps(a.mV[VY]), mV[VY]));
- o.v = _mm_add_ps(o.v , _mm_mul_ps(_mm_set1_ps(a.mV[VZ]), mV[VZ]));
- }
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- // LLV4Matrix3
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- #else
- inline void LLV4Matrix3::lerp(const LLV4Matrix3 &a, const LLV4Matrix3 &b, const F32 &w)
- {
- mMatrix[VX][VX] = llv4lerp(a.mMatrix[VX][VX], b.mMatrix[VX][VX], w);
- mMatrix[VX][VY] = llv4lerp(a.mMatrix[VX][VY], b.mMatrix[VX][VY], w);
- mMatrix[VX][VZ] = llv4lerp(a.mMatrix[VX][VZ], b.mMatrix[VX][VZ], w);
- mMatrix[VY][VX] = llv4lerp(a.mMatrix[VY][VX], b.mMatrix[VY][VX], w);
- mMatrix[VY][VY] = llv4lerp(a.mMatrix[VY][VY], b.mMatrix[VY][VY], w);
- mMatrix[VY][VZ] = llv4lerp(a.mMatrix[VY][VZ], b.mMatrix[VY][VZ], w);
- mMatrix[VZ][VX] = llv4lerp(a.mMatrix[VZ][VX], b.mMatrix[VZ][VX], w);
- mMatrix[VZ][VY] = llv4lerp(a.mMatrix[VZ][VY], b.mMatrix[VZ][VY], w);
- mMatrix[VZ][VZ] = llv4lerp(a.mMatrix[VZ][VZ], b.mMatrix[VZ][VZ], w);
- }
- inline void LLV4Matrix3::multiply(const LLVector3 &a, LLVector3& o) const
- {
- o.setVec( a.mV[VX] * mMatrix[VX][VX] +
- a.mV[VY] * mMatrix[VY][VX] +
- a.mV[VZ] * mMatrix[VZ][VX],
-
- a.mV[VX] * mMatrix[VX][VY] +
- a.mV[VY] * mMatrix[VY][VY] +
- a.mV[VZ] * mMatrix[VZ][VY],
-
- a.mV[VX] * mMatrix[VX][VZ] +
- a.mV[VY] * mMatrix[VY][VZ] +
- a.mV[VZ] * mMatrix[VZ][VZ]);
- }
- inline void LLV4Matrix3::multiply(const LLVector4 &a, LLV4Vector3& o) const
- {
- o.setVec( a.mV[VX] * mMatrix[VX][VX] +
- a.mV[VY] * mMatrix[VY][VX] +
- a.mV[VZ] * mMatrix[VZ][VX],
-
- a.mV[VX] * mMatrix[VX][VY] +
- a.mV[VY] * mMatrix[VY][VY] +
- a.mV[VZ] * mMatrix[VZ][VY],
-
- a.mV[VX] * mMatrix[VX][VZ] +
- a.mV[VY] * mMatrix[VY][VZ] +
- a.mV[VZ] * mMatrix[VZ][VZ]);
- }
- inline void LLV4Matrix3::multiply(const LLVector3 &a, LLV4Vector3& o) const
- {
- o.setVec( a.mV[VX] * mMatrix[VX][VX] +
- a.mV[VY] * mMatrix[VY][VX] +
- a.mV[VZ] * mMatrix[VZ][VX],
-
- a.mV[VX] * mMatrix[VX][VY] +
- a.mV[VY] * mMatrix[VY][VY] +
- a.mV[VZ] * mMatrix[VZ][VY],
-
- a.mV[VX] * mMatrix[VX][VZ] +
- a.mV[VY] * mMatrix[VY][VZ] +
- a.mV[VZ] * mMatrix[VZ][VZ]);
- }
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- // LLV4Matrix3
- //-----------------------------------------------------------------------------
- //-----------------------------------------------------------------------------
- #endif
- inline const LLV4Matrix3& LLV4Matrix3::transpose()
- {
- #if LL_VECTORIZE && defined(_MM_TRANSPOSE4_PS)
- _MM_TRANSPOSE4_PS(mV[VX], mV[VY], mV[VZ], mV[VW]);
- return *this;
- #else
- F32 temp;
- temp = mMatrix[VX][VY]; mMatrix[VX][VY] = mMatrix[VY][VX]; mMatrix[VY][VX] = temp;
- temp = mMatrix[VX][VZ]; mMatrix[VX][VZ] = mMatrix[VZ][VX]; mMatrix[VZ][VX] = temp;
- temp = mMatrix[VY][VZ]; mMatrix[VY][VZ] = mMatrix[VZ][VY]; mMatrix[VZ][VY] = temp;
- #endif
- return *this;
- }
- inline const LLV4Matrix3& LLV4Matrix3::operator=(const LLMatrix3& a)
- {
- memcpy(mMatrix[VX], a.mMatrix[VX], sizeof(F32) * 3 );
- memcpy(mMatrix[VY], a.mMatrix[VY], sizeof(F32) * 3 );
- memcpy(mMatrix[VZ], a.mMatrix[VZ], sizeof(F32) * 3 );
- return *this;
- }
- inline LLVector3 operator*(const LLVector3& a, const LLV4Matrix3& b)
- {
- return LLVector3(
- a.mV[VX] * b.mMatrix[VX][VX] +
- a.mV[VY] * b.mMatrix[VY][VX] +
- a.mV[VZ] * b.mMatrix[VZ][VX],
-
- a.mV[VX] * b.mMatrix[VX][VY] +
- a.mV[VY] * b.mMatrix[VY][VY] +
- a.mV[VZ] * b.mMatrix[VZ][VY],
-
- a.mV[VX] * b.mMatrix[VX][VZ] +
- a.mV[VY] * b.mMatrix[VY][VZ] +
- a.mV[VZ] * b.mMatrix[VZ][VZ] );
- }
- #endif