Merge remote-tracking branch 'origin/main' into DRTVWR-600-maint-A

# Conflicts:
#	autobuild.xml
#	indra/cmake/CMakeLists.txt
#	indra/cmake/GoogleMock.cmake
#	indra/llaudio/llaudioengine_fmodstudio.cpp
#	indra/llaudio/llaudioengine_fmodstudio.h
#	indra/llaudio/lllistener_fmodstudio.cpp
#	indra/llaudio/lllistener_fmodstudio.h
#	indra/llaudio/llstreamingaudio_fmodstudio.cpp
#	indra/llaudio/llstreamingaudio_fmodstudio.h
#	indra/llcharacter/llmultigesture.cpp
#	indra/llcharacter/llmultigesture.h
#	indra/llimage/llimage.cpp
#	indra/llimage/llimagepng.cpp
#	indra/llimage/llimageworker.cpp
#	indra/llimage/tests/llimageworker_test.cpp
#	indra/llmessage/tests/llmockhttpclient.h
#	indra/llprimitive/llgltfmaterial.h
#	indra/llrender/llfontfreetype.cpp
#	indra/llui/llcombobox.cpp
#	indra/llui/llfolderview.cpp
#	indra/llui/llfolderviewmodel.h
#	indra/llui/lllineeditor.cpp
#	indra/llui/lllineeditor.h
#	indra/llui/lltextbase.cpp
#	indra/llui/lltextbase.h
#	indra/llui/lltexteditor.cpp
#	indra/llui/lltextvalidate.cpp
#	indra/llui/lltextvalidate.h
#	indra/llui/lluictrl.h
#	indra/llui/llview.cpp
#	indra/llwindow/llwindowmacosx.cpp
#	indra/newview/app_settings/settings.xml
#	indra/newview/llappearancemgr.cpp
#	indra/newview/llappearancemgr.h
#	indra/newview/llavatarpropertiesprocessor.cpp
#	indra/newview/llavatarpropertiesprocessor.h
#	indra/newview/llbreadcrumbview.cpp
#	indra/newview/llbreadcrumbview.h
#	indra/newview/llbreastmotion.cpp
#	indra/newview/llbreastmotion.h
#	indra/newview/llconversationmodel.h
#	indra/newview/lldensityctrl.cpp
#	indra/newview/lldensityctrl.h
#	indra/newview/llface.inl
#	indra/newview/llfloatereditsky.cpp
#	indra/newview/llfloatereditwater.cpp
#	indra/newview/llfloateremojipicker.h
#	indra/newview/llfloaterimsessiontab.cpp
#	indra/newview/llfloaterprofiletexture.cpp
#	indra/newview/llfloaterprofiletexture.h
#	indra/newview/llgesturemgr.cpp
#	indra/newview/llgesturemgr.h
#	indra/newview/llimpanel.cpp
#	indra/newview/llimpanel.h
#	indra/newview/llinventorybridge.cpp
#	indra/newview/llinventorybridge.h
#	indra/newview/llinventoryclipboard.cpp
#	indra/newview/llinventoryclipboard.h
#	indra/newview/llinventoryfunctions.cpp
#	indra/newview/llinventoryfunctions.h
#	indra/newview/llinventorygallery.cpp
#	indra/newview/lllistbrowser.cpp
#	indra/newview/lllistbrowser.h
#	indra/newview/llpanelobjectinventory.cpp
#	indra/newview/llpanelprofile.cpp
#	indra/newview/llpanelprofile.h
#	indra/newview/llpreviewgesture.cpp
#	indra/newview/llsavedsettingsglue.cpp
#	indra/newview/llsavedsettingsglue.h
#	indra/newview/lltooldraganddrop.cpp
#	indra/newview/llurllineeditorctrl.cpp
#	indra/newview/llvectorperfoptions.cpp
#	indra/newview/llvectorperfoptions.h
#	indra/newview/llviewerparceloverlay.cpp
#	indra/newview/llviewertexlayer.cpp
#	indra/newview/llviewertexturelist.cpp
#	indra/newview/macmain.h
#	indra/test/test.cpp

1 files changed, 549 insertions, 549 deletions

diff --git a/indra/llmath/v4math.h b/indra/llmath/v4math.h
index f46033db11..2a21edf198 100644
--- a/indra/llmath/v4math.h
+++ b/indra/llmath/v4math.h
@@ -1,549 +1,549 @@
-/** 
- * @file v4math.h
- * @brief LLVector4 class header file.
- *
- * $LicenseInfo:firstyear=2000&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-#ifndef LL_V4MATH_H
-#define LL_V4MATH_H
-
-#include "llerror.h"
-#include "llmath.h"
-#include "v3math.h"
-#include "v2math.h"
-
-class LLMatrix3;
-class LLMatrix4;
-class LLQuaternion;
-
-//  LLVector4 = |x y z w|
-
-static const U32 LENGTHOFVECTOR4 = 4;
-
-class LLVector4
-{
-	public:
-		F32 mV[LENGTHOFVECTOR4];
-		LLVector4();						// Initializes LLVector4 to (0, 0, 0, 1)
-		explicit LLVector4(const F32 *vec);			// Initializes LLVector4 to (vec[0]. vec[1], vec[2], vec[3])
-		explicit LLVector4(const F64 *vec);			// Initialized LLVector4 to ((F32) vec[0], (F32) vec[1], (F32) vec[3], (F32) vec[4]);
-        explicit LLVector4(const LLVector2 &vec);
-        explicit LLVector4(const LLVector2 &vec, F32 z, F32 w);
-		explicit LLVector4(const LLVector3 &vec);			// Initializes LLVector4 to (vec, 1)
-		explicit LLVector4(const LLVector3 &vec, F32 w);	// Initializes LLVector4 to (vec, w)
-        explicit LLVector4(const LLSD &sd);
-		LLVector4(F32 x, F32 y, F32 z);		// Initializes LLVector4 to (x. y, z, 1)
-		LLVector4(F32 x, F32 y, F32 z, F32 w);
-
-		LLSD getValue() const
-		{
-			LLSD ret;
-			ret[0] = mV[0];
-			ret[1] = mV[1];
-			ret[2] = mV[2];
-			ret[3] = mV[3];
-			return ret;
-		}
-
-        void setValue(const LLSD& sd)
-        {
-            mV[0] = sd[0].asReal();
-            mV[1] = sd[1].asReal();
-            mV[2] = sd[2].asReal();
-            mV[3] = sd[3].asReal();
-        }
-
-
-		inline bool isFinite() const;									// checks to see if all values of LLVector3 are finite
-
-		inline void	clear();		// Clears LLVector4 to (0, 0, 0, 1)
-		inline void	clearVec();		// deprecated
-		inline void	zeroVec();		// deprecated
-
-		inline void	set(F32 x, F32 y, F32 z);			// Sets LLVector4 to (x, y, z, 1)
-		inline void	set(F32 x, F32 y, F32 z, F32 w);	// Sets LLVector4 to (x, y, z, w)
-		inline void	set(const LLVector4 &vec);			// Sets LLVector4 to vec
-		inline void	set(const LLVector3 &vec, F32 w = 1.f); // Sets LLVector4 to LLVector3 vec
-		inline void	set(const F32 *vec);				// Sets LLVector4 to vec
-
-		inline void	setVec(F32 x, F32 y, F32 z);		// deprecated
-		inline void	setVec(F32 x, F32 y, F32 z, F32 w);	// deprecated
-		inline void	setVec(const LLVector4 &vec);		// deprecated
-		inline void	setVec(const LLVector3 &vec, F32 w = 1.f); // deprecated
-		inline void	setVec(const F32 *vec);				// deprecated
-
-		F32	length() const;				// Returns magnitude of LLVector4
-		F32	lengthSquared() const;		// Returns magnitude squared of LLVector4
-		F32	normalize();				// Normalizes and returns the magnitude of LLVector4
-
-		F32			magVec() const;				// deprecated
-		F32			magVecSquared() const;		// deprecated
-		F32			normVec();					// deprecated
-
-		// Sets all values to absolute value of their original values
-		// Returns true if data changed
-		bool abs();
-		
-		bool isExactlyClear() const		{ return (mV[VW] == 1.0f) && !mV[VX] && !mV[VY] && !mV[VZ]; }
-		bool isExactlyZero() const		{ return !mV[VW] && !mV[VX] && !mV[VY] && !mV[VZ]; }
-
-		const LLVector4&	rotVec(const LLMatrix4 &mat);				// Rotates by MAT4 mat
-		const LLVector4&	rotVec(const LLQuaternion &q);				// Rotates by QUAT q
-
-		const LLVector4&	scaleVec(const LLVector4& vec);	// Scales component-wise by vec
-
-		F32 operator[](int idx) const { return mV[idx]; }
-		F32 &operator[](int idx) { return mV[idx]; }
-	
-		friend std::ostream&	 operator<<(std::ostream& s, const LLVector4 &a);		// Print a
-		friend LLVector4 operator+(const LLVector4 &a, const LLVector4 &b);	// Return vector a + b
-		friend LLVector4 operator-(const LLVector4 &a, const LLVector4 &b);	// Return vector a minus b
-		friend F32  operator*(const LLVector4 &a, const LLVector4 &b);		// Return a dot b
-		friend LLVector4 operator%(const LLVector4 &a, const LLVector4 &b);	// Return a cross b
-		friend LLVector4 operator/(const LLVector4 &a, F32 k);				// Return a divided by scaler k
-		friend LLVector4 operator*(const LLVector4 &a, F32 k);				// Return a times scaler k
-		friend LLVector4 operator*(F32 k, const LLVector4 &a);				// Return a times scaler k
-		friend bool operator==(const LLVector4 &a, const LLVector4 &b);		// Return a == b
-		friend bool operator!=(const LLVector4 &a, const LLVector4 &b);		// Return a != b
-
-		friend const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b);	// Return vector a + b
-		friend const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b);	// Return vector a minus b
-		friend const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b);	// Return a cross b
-		friend const LLVector4& operator*=(LLVector4 &a, F32 k);				// Return a times scaler k
-		friend const LLVector4& operator/=(LLVector4 &a, F32 k);				// Return a divided by scaler k
-
-		friend LLVector4 operator-(const LLVector4 &a);					// Return vector -a
-};
-
-// Non-member functions 
-F32 angle_between(const LLVector4 &a, const LLVector4 &b);		// Returns angle (radians) between a and b
-bool are_parallel(const LLVector4 &a, const LLVector4 &b, F32 epsilon = F_APPROXIMATELY_ZERO);		// Returns true if a and b are very close to parallel
-F32	dist_vec(const LLVector4 &a, const LLVector4 &b);			// Returns distance between a and b
-F32	dist_vec_squared(const LLVector4 &a, const LLVector4 &b);	// Returns distance squared between a and b
-LLVector3	vec4to3(const LLVector4 &vec);
-LLVector4	vec3to4(const LLVector3 &vec);
-LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u); // Returns a vector that is a linear interpolation between a and b
-
-// Constructors
-
-inline LLVector4::LLVector4(void)
-{
-	mV[VX] = 0.f;
-	mV[VY] = 0.f;
-	mV[VZ] = 0.f;
-	mV[VW] = 1.f;
-}
-
-inline LLVector4::LLVector4(F32 x, F32 y, F32 z)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = 1.f;
-}
-
-inline LLVector4::LLVector4(F32 x, F32 y, F32 z, F32 w)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = w;
-}
-
-inline LLVector4::LLVector4(const F32 *vec)
-{
-	mV[VX] = vec[VX];
-	mV[VY] = vec[VY];
-	mV[VZ] = vec[VZ];
-	mV[VW] = vec[VW];
-}
-
-inline LLVector4::LLVector4(const F64 *vec)
-{
-	mV[VX] = (F32) vec[VX];
-	mV[VY] = (F32) vec[VY];
-	mV[VZ] = (F32) vec[VZ];
-	mV[VW] = (F32) vec[VW];
-}
-
-inline LLVector4::LLVector4(const LLVector2 &vec)
-{
-    mV[VX] = vec[VX];
-    mV[VY] = vec[VY];
-    mV[VZ] = 0.f;
-    mV[VW] = 0.f;
-}
-
-inline LLVector4::LLVector4(const LLVector2 &vec, F32 z, F32 w)
-{
-    mV[VX] = vec[VX];
-    mV[VY] = vec[VY];
-    mV[VZ] = z;
-    mV[VW] = w;
-}
-
-inline LLVector4::LLVector4(const LLVector3 &vec)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = 1.f;
-}
-
-inline LLVector4::LLVector4(const LLVector3 &vec, F32 w)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = w;
-}
-
-inline LLVector4::LLVector4(const LLSD &sd)
-{
-    setValue(sd);
-}
-
-
-inline bool LLVector4::isFinite() const
-{
-	return (llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW]));
-}
-
-// Clear and Assignment Functions
-
-inline void	LLVector4::clear(void)
-{
-	mV[VX] = 0.f;
-	mV[VY] = 0.f;
-	mV[VZ] = 0.f;
-	mV[VW] = 1.f;
-}
-
-// deprecated
-inline void	LLVector4::clearVec(void)
-{
-	mV[VX] = 0.f;
-	mV[VY] = 0.f;
-	mV[VZ] = 0.f;
-	mV[VW] = 1.f;
-}
-
-// deprecated
-inline void	LLVector4::zeroVec(void)
-{
-	mV[VX] = 0.f;
-	mV[VY] = 0.f;
-	mV[VZ] = 0.f;
-	mV[VW] = 0.f;
-}
-
-inline void	LLVector4::set(F32 x, F32 y, F32 z)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = 1.f;
-}
-
-inline void	LLVector4::set(F32 x, F32 y, F32 z, F32 w)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = w;
-}
-
-inline void	LLVector4::set(const LLVector4 &vec)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = vec.mV[VW];
-}
-
-inline void	LLVector4::set(const LLVector3 &vec, F32 w)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = w;
-}
-
-inline void	LLVector4::set(const F32 *vec)
-{
-	mV[VX] = vec[VX];
-	mV[VY] = vec[VY];
-	mV[VZ] = vec[VZ];
-	mV[VW] = vec[VW];
-}
-
-
-// deprecated
-inline void	LLVector4::setVec(F32 x, F32 y, F32 z)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = 1.f;
-}
-
-// deprecated
-inline void	LLVector4::setVec(F32 x, F32 y, F32 z, F32 w)
-{
-	mV[VX] = x;
-	mV[VY] = y;
-	mV[VZ] = z;
-	mV[VW] = w;
-}
-
-// deprecated
-inline void	LLVector4::setVec(const LLVector4 &vec)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = vec.mV[VW];
-}
-
-// deprecated
-inline void	LLVector4::setVec(const LLVector3 &vec, F32 w)
-{
-	mV[VX] = vec.mV[VX];
-	mV[VY] = vec.mV[VY];
-	mV[VZ] = vec.mV[VZ];
-	mV[VW] = w;
-}
-
-// deprecated
-inline void	LLVector4::setVec(const F32 *vec)
-{
-	mV[VX] = vec[VX];
-	mV[VY] = vec[VY];
-	mV[VZ] = vec[VZ];
-	mV[VW] = vec[VW];
-}
-
-// LLVector4 Magnitude and Normalization Functions
-
-inline F32		LLVector4::length(void) const
-{
-	return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-}
-
-inline F32		LLVector4::lengthSquared(void) const
-{
-	return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
-}
-
-inline F32		LLVector4::magVec(void) const
-{
-	return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-}
-
-inline F32		LLVector4::magVecSquared(void) const
-{
-	return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
-}
-
-// LLVector4 Operators
-
-inline LLVector4 operator+(const LLVector4 &a, const LLVector4 &b)
-{
-	LLVector4 c(a);
-	return c += b;
-}
-
-inline LLVector4 operator-(const LLVector4 &a, const LLVector4 &b)
-{
-	LLVector4 c(a);
-	return c -= b;
-}
-
-inline F32  operator*(const LLVector4 &a, const LLVector4 &b)
-{
-	return (a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]);
-}
-
-inline LLVector4 operator%(const LLVector4 &a, const LLVector4 &b)
-{
-	return LLVector4(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);
-}
-
-inline LLVector4 operator/(const LLVector4 &a, F32 k)
-{
-	F32 t = 1.f / k;
-	return LLVector4( a.mV[VX] * t, a.mV[VY] * t, a.mV[VZ] * t );
-}
-
-
-inline LLVector4 operator*(const LLVector4 &a, F32 k)
-{
-	return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );
-}
-
-inline LLVector4 operator*(F32 k, const LLVector4 &a)
-{
-	return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );
-}
-
-inline bool operator==(const LLVector4 &a, const LLVector4 &b)
-{
-	return (  (a.mV[VX] == b.mV[VX])
-			&&(a.mV[VY] == b.mV[VY])
-			&&(a.mV[VZ] == b.mV[VZ]));
-}
-
-inline bool operator!=(const LLVector4 &a, const LLVector4 &b)
-{
-	return (  (a.mV[VX] != b.mV[VX])
-			||(a.mV[VY] != b.mV[VY])
-			||(a.mV[VZ] != b.mV[VZ])
-			||(a.mV[VW] != b.mV[VW]) );
-}
-
-inline const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b)
-{
-	a.mV[VX] += b.mV[VX];
-	a.mV[VY] += b.mV[VY];
-	a.mV[VZ] += b.mV[VZ];
-	return a;
-}
-
-inline const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b)
-{
-	a.mV[VX] -= b.mV[VX];
-	a.mV[VY] -= b.mV[VY];
-	a.mV[VZ] -= b.mV[VZ];
-	return a;
-}
-
-inline const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b)
-{
-	LLVector4 ret(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);
-	a = ret;
-	return a;
-}
-
-inline const LLVector4& operator*=(LLVector4 &a, F32 k)
-{
-	a.mV[VX] *= k;
-	a.mV[VY] *= k;
-	a.mV[VZ] *= k;
-	return a;
-}
-
-inline const LLVector4& operator/=(LLVector4 &a, F32 k)
-{
-	F32 t = 1.f / k;
-	a.mV[VX] *= t;
-	a.mV[VY] *= t;
-	a.mV[VZ] *= t;
-	return a;
-}
-
-inline LLVector4 operator-(const LLVector4 &a)
-{
-	return LLVector4( -a.mV[VX], -a.mV[VY], -a.mV[VZ] );
-}
-
-inline F32	dist_vec(const LLVector4 &a, const LLVector4 &b)
-{
-	LLVector4 vec = a - b;
-	return (vec.length());
-}
-
-inline F32	dist_vec_squared(const LLVector4 &a, const LLVector4 &b)
-{
-	LLVector4 vec = a - b;
-	return (vec.lengthSquared());
-}
-
-inline LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u)
-{
-	return LLVector4(
-		a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,
-		a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,
-		a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,
-		a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);
-}
-
-inline F32		LLVector4::normalize(void)
-{
-	F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-	F32 oomag;
-
-	if (mag > FP_MAG_THRESHOLD)
-	{
-		oomag = 1.f/mag;
-		mV[VX] *= oomag;
-		mV[VY] *= oomag;
-		mV[VZ] *= oomag;
-	}
-	else
-	{
-		mV[0] = 0.f;
-		mV[1] = 0.f;
-		mV[2] = 0.f;
-		mag = 0;
-	}
-	return (mag);
-}
-
-// deprecated
-inline F32		LLVector4::normVec(void)
-{
-	F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
-	F32 oomag;
-
-	if (mag > FP_MAG_THRESHOLD)
-	{
-		oomag = 1.f/mag;
-		mV[VX] *= oomag;
-		mV[VY] *= oomag;
-		mV[VZ] *= oomag;
-	}
-	else
-	{
-		mV[0] = 0.f;
-		mV[1] = 0.f;
-		mV[2] = 0.f;
-		mag = 0;
-	}
-	return (mag);
-}
-
-// Because apparently some parts of the viewer use this for color info.
-inline const LLVector4 srgbVector4(const LLVector4 &a) {
-    LLVector4 srgbColor;
-
-    srgbColor.mV[0] = linearTosRGB(a.mV[0]);
-    srgbColor.mV[1] = linearTosRGB(a.mV[1]);
-    srgbColor.mV[2] = linearTosRGB(a.mV[2]);
-    srgbColor.mV[3] = a.mV[3];
-
-    return srgbColor;
-}
-
-
-#endif
-
+/**

+ * @file v4math.h

+ * @brief LLVector4 class header file.

+ *

+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$

+ * Second Life Viewer Source Code

+ * Copyright (C) 2010, Linden Research, Inc.

+ *

+ * This library is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU Lesser General Public

+ * License as published by the Free Software Foundation;

+ * version 2.1 of the License only.

+ *

+ * This library is distributed in the hope that it will be useful,

+ * but WITHOUT ANY WARRANTY; without even the implied warranty of

+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

+ * Lesser General Public License for more details.

+ *

+ * You should have received a copy of the GNU Lesser General Public

+ * License along with this library; if not, write to the Free Software

+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

+ *

+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

+ * $/LicenseInfo$

+ */

+

+#ifndef LL_V4MATH_H

+#define LL_V4MATH_H

+

+#include "llerror.h"

+#include "llmath.h"

+#include "v3math.h"

+#include "v2math.h"

+

+class LLMatrix3;

+class LLMatrix4;

+class LLQuaternion;

+

+//  LLVector4 = |x y z w|

+

+static const U32 LENGTHOFVECTOR4 = 4;

+

+class LLVector4

+{

+    public:

+        F32 mV[LENGTHOFVECTOR4];

+        LLVector4();                        // Initializes LLVector4 to (0, 0, 0, 1)

+        explicit LLVector4(const F32 *vec);         // Initializes LLVector4 to (vec[0]. vec[1], vec[2], vec[3])

+        explicit LLVector4(const F64 *vec);         // Initialized LLVector4 to ((F32) vec[0], (F32) vec[1], (F32) vec[3], (F32) vec[4]);

+        explicit LLVector4(const LLVector2 &vec);

+        explicit LLVector4(const LLVector2 &vec, F32 z, F32 w);

+        explicit LLVector4(const LLVector3 &vec);           // Initializes LLVector4 to (vec, 1)

+        explicit LLVector4(const LLVector3 &vec, F32 w);    // Initializes LLVector4 to (vec, w)

+        explicit LLVector4(const LLSD &sd);

+        LLVector4(F32 x, F32 y, F32 z);     // Initializes LLVector4 to (x. y, z, 1)

+        LLVector4(F32 x, F32 y, F32 z, F32 w);

+

+        LLSD getValue() const

+        {

+            LLSD ret;

+            ret[0] = mV[0];

+            ret[1] = mV[1];

+            ret[2] = mV[2];

+            ret[3] = mV[3];

+            return ret;

+        }

+

+        void setValue(const LLSD& sd)

+        {

+            mV[0] = sd[0].asReal();

+            mV[1] = sd[1].asReal();

+            mV[2] = sd[2].asReal();

+            mV[3] = sd[3].asReal();

+        }

+

+

+        inline bool isFinite() const;                                   // checks to see if all values of LLVector3 are finite

+

+        inline void clear();        // Clears LLVector4 to (0, 0, 0, 1)

+        inline void clearVec();     // deprecated

+        inline void zeroVec();      // deprecated

+

+        inline void set(F32 x, F32 y, F32 z);           // Sets LLVector4 to (x, y, z, 1)

+        inline void set(F32 x, F32 y, F32 z, F32 w);    // Sets LLVector4 to (x, y, z, w)

+        inline void set(const LLVector4 &vec);          // Sets LLVector4 to vec

+        inline void set(const LLVector3 &vec, F32 w = 1.f); // Sets LLVector4 to LLVector3 vec

+        inline void set(const F32 *vec);                // Sets LLVector4 to vec

+

+        inline void setVec(F32 x, F32 y, F32 z);        // deprecated

+        inline void setVec(F32 x, F32 y, F32 z, F32 w); // deprecated

+        inline void setVec(const LLVector4 &vec);       // deprecated

+        inline void setVec(const LLVector3 &vec, F32 w = 1.f); // deprecated

+        inline void setVec(const F32 *vec);             // deprecated

+

+        F32 length() const;             // Returns magnitude of LLVector4

+        F32 lengthSquared() const;      // Returns magnitude squared of LLVector4

+        F32 normalize();                // Normalizes and returns the magnitude of LLVector4

+

+        F32         magVec() const;             // deprecated

+        F32         magVecSquared() const;      // deprecated

+        F32         normVec();                  // deprecated

+

+        // Sets all values to absolute value of their original values

+        // Returns true if data changed

+        bool abs();

+

+        bool isExactlyClear() const     { return (mV[VW] == 1.0f) && !mV[VX] && !mV[VY] && !mV[VZ]; }

+        bool isExactlyZero() const      { return !mV[VW] && !mV[VX] && !mV[VY] && !mV[VZ]; }

+

+        const LLVector4&    rotVec(const LLMatrix4 &mat);               // Rotates by MAT4 mat

+        const LLVector4&    rotVec(const LLQuaternion &q);              // Rotates by QUAT q

+

+        const LLVector4&    scaleVec(const LLVector4& vec); // Scales component-wise by vec

+

+        F32 operator[](int idx) const { return mV[idx]; }

+        F32 &operator[](int idx) { return mV[idx]; }

+

+        friend std::ostream&     operator<<(std::ostream& s, const LLVector4 &a);       // Print a

+        friend LLVector4 operator+(const LLVector4 &a, const LLVector4 &b); // Return vector a + b

+        friend LLVector4 operator-(const LLVector4 &a, const LLVector4 &b); // Return vector a minus b

+        friend F32  operator*(const LLVector4 &a, const LLVector4 &b);      // Return a dot b

+        friend LLVector4 operator%(const LLVector4 &a, const LLVector4 &b); // Return a cross b

+        friend LLVector4 operator/(const LLVector4 &a, F32 k);              // Return a divided by scaler k

+        friend LLVector4 operator*(const LLVector4 &a, F32 k);              // Return a times scaler k

+        friend LLVector4 operator*(F32 k, const LLVector4 &a);              // Return a times scaler k

+        friend bool operator==(const LLVector4 &a, const LLVector4 &b);     // Return a == b

+        friend bool operator!=(const LLVector4 &a, const LLVector4 &b);     // Return a != b

+

+        friend const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b);   // Return vector a + b

+        friend const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b);   // Return vector a minus b

+        friend const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b);   // Return a cross b

+        friend const LLVector4& operator*=(LLVector4 &a, F32 k);                // Return a times scaler k

+        friend const LLVector4& operator/=(LLVector4 &a, F32 k);                // Return a divided by scaler k

+

+        friend LLVector4 operator-(const LLVector4 &a);                 // Return vector -a

+};

+

+// Non-member functions

+F32 angle_between(const LLVector4 &a, const LLVector4 &b);      // Returns angle (radians) between a and b

+bool are_parallel(const LLVector4 &a, const LLVector4 &b, F32 epsilon = F_APPROXIMATELY_ZERO);      // Returns true if a and b are very close to parallel

+F32 dist_vec(const LLVector4 &a, const LLVector4 &b);           // Returns distance between a and b

+F32 dist_vec_squared(const LLVector4 &a, const LLVector4 &b);   // Returns distance squared between a and b

+LLVector3   vec4to3(const LLVector4 &vec);

+LLVector4   vec3to4(const LLVector3 &vec);

+LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u); // Returns a vector that is a linear interpolation between a and b

+

+// Constructors

+

+inline LLVector4::LLVector4(void)

+{

+    mV[VX] = 0.f;

+    mV[VY] = 0.f;

+    mV[VZ] = 0.f;

+    mV[VW] = 1.f;

+}

+

+inline LLVector4::LLVector4(F32 x, F32 y, F32 z)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = 1.f;

+}

+

+inline LLVector4::LLVector4(F32 x, F32 y, F32 z, F32 w)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = w;

+}

+

+inline LLVector4::LLVector4(const F32 *vec)

+{

+    mV[VX] = vec[VX];

+    mV[VY] = vec[VY];

+    mV[VZ] = vec[VZ];

+    mV[VW] = vec[VW];

+}

+

+inline LLVector4::LLVector4(const F64 *vec)

+{

+    mV[VX] = (F32) vec[VX];

+    mV[VY] = (F32) vec[VY];

+    mV[VZ] = (F32) vec[VZ];

+    mV[VW] = (F32) vec[VW];

+}

+

+inline LLVector4::LLVector4(const LLVector2 &vec)

+{

+    mV[VX] = vec[VX];

+    mV[VY] = vec[VY];

+    mV[VZ] = 0.f;

+    mV[VW] = 0.f;

+}

+

+inline LLVector4::LLVector4(const LLVector2 &vec, F32 z, F32 w)

+{

+    mV[VX] = vec[VX];

+    mV[VY] = vec[VY];

+    mV[VZ] = z;

+    mV[VW] = w;

+}

+

+inline LLVector4::LLVector4(const LLVector3 &vec)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = 1.f;

+}

+

+inline LLVector4::LLVector4(const LLVector3 &vec, F32 w)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = w;

+}

+

+inline LLVector4::LLVector4(const LLSD &sd)

+{

+    setValue(sd);

+}

+

+

+inline bool LLVector4::isFinite() const

+{

+    return (llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW]));

+}

+

+// Clear and Assignment Functions

+

+inline void LLVector4::clear(void)

+{

+    mV[VX] = 0.f;

+    mV[VY] = 0.f;

+    mV[VZ] = 0.f;

+    mV[VW] = 1.f;

+}

+

+// deprecated

+inline void LLVector4::clearVec(void)

+{

+    mV[VX] = 0.f;

+    mV[VY] = 0.f;

+    mV[VZ] = 0.f;

+    mV[VW] = 1.f;

+}

+

+// deprecated

+inline void LLVector4::zeroVec(void)

+{

+    mV[VX] = 0.f;

+    mV[VY] = 0.f;

+    mV[VZ] = 0.f;

+    mV[VW] = 0.f;

+}

+

+inline void LLVector4::set(F32 x, F32 y, F32 z)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = 1.f;

+}

+

+inline void LLVector4::set(F32 x, F32 y, F32 z, F32 w)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = w;

+}

+

+inline void LLVector4::set(const LLVector4 &vec)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = vec.mV[VW];

+}

+

+inline void LLVector4::set(const LLVector3 &vec, F32 w)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = w;

+}

+

+inline void LLVector4::set(const F32 *vec)

+{

+    mV[VX] = vec[VX];

+    mV[VY] = vec[VY];

+    mV[VZ] = vec[VZ];

+    mV[VW] = vec[VW];

+}

+

+

+// deprecated

+inline void LLVector4::setVec(F32 x, F32 y, F32 z)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = 1.f;

+}

+

+// deprecated

+inline void LLVector4::setVec(F32 x, F32 y, F32 z, F32 w)

+{

+    mV[VX] = x;

+    mV[VY] = y;

+    mV[VZ] = z;

+    mV[VW] = w;

+}

+

+// deprecated

+inline void LLVector4::setVec(const LLVector4 &vec)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = vec.mV[VW];

+}

+

+// deprecated

+inline void LLVector4::setVec(const LLVector3 &vec, F32 w)

+{

+    mV[VX] = vec.mV[VX];

+    mV[VY] = vec.mV[VY];

+    mV[VZ] = vec.mV[VZ];

+    mV[VW] = w;

+}

+

+// deprecated

+inline void LLVector4::setVec(const F32 *vec)

+{

+    mV[VX] = vec[VX];

+    mV[VY] = vec[VY];

+    mV[VZ] = vec[VZ];

+    mV[VW] = vec[VW];

+}

+

+// LLVector4 Magnitude and Normalization Functions

+

+inline F32      LLVector4::length(void) const

+{

+    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

+}

+

+inline F32      LLVector4::lengthSquared(void) const

+{

+    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];

+}

+

+inline F32      LLVector4::magVec(void) const

+{

+    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

+}

+

+inline F32      LLVector4::magVecSquared(void) const

+{

+    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];

+}

+

+// LLVector4 Operators

+

+inline LLVector4 operator+(const LLVector4 &a, const LLVector4 &b)

+{

+    LLVector4 c(a);

+    return c += b;

+}

+

+inline LLVector4 operator-(const LLVector4 &a, const LLVector4 &b)

+{

+    LLVector4 c(a);

+    return c -= b;

+}

+

+inline F32  operator*(const LLVector4 &a, const LLVector4 &b)

+{

+    return (a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]);

+}

+

+inline LLVector4 operator%(const LLVector4 &a, const LLVector4 &b)

+{

+    return LLVector4(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);

+}

+

+inline LLVector4 operator/(const LLVector4 &a, F32 k)

+{

+    F32 t = 1.f / k;

+    return LLVector4( a.mV[VX] * t, a.mV[VY] * t, a.mV[VZ] * t );

+}

+

+

+inline LLVector4 operator*(const LLVector4 &a, F32 k)

+{

+    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );

+}

+

+inline LLVector4 operator*(F32 k, const LLVector4 &a)

+{

+    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );

+}

+

+inline bool operator==(const LLVector4 &a, const LLVector4 &b)

+{

+    return (  (a.mV[VX] == b.mV[VX])

+            &&(a.mV[VY] == b.mV[VY])

+            &&(a.mV[VZ] == b.mV[VZ]));

+}

+

+inline bool operator!=(const LLVector4 &a, const LLVector4 &b)

+{

+    return (  (a.mV[VX] != b.mV[VX])

+            ||(a.mV[VY] != b.mV[VY])

+            ||(a.mV[VZ] != b.mV[VZ])

+            ||(a.mV[VW] != b.mV[VW]) );

+}

+

+inline const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b)

+{

+    a.mV[VX] += b.mV[VX];

+    a.mV[VY] += b.mV[VY];

+    a.mV[VZ] += b.mV[VZ];

+    return a;

+}

+

+inline const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b)

+{

+    a.mV[VX] -= b.mV[VX];

+    a.mV[VY] -= b.mV[VY];

+    a.mV[VZ] -= b.mV[VZ];

+    return a;

+}

+

+inline const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b)

+{

+    LLVector4 ret(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);

+    a = ret;

+    return a;

+}

+

+inline const LLVector4& operator*=(LLVector4 &a, F32 k)

+{

+    a.mV[VX] *= k;

+    a.mV[VY] *= k;

+    a.mV[VZ] *= k;

+    return a;

+}

+

+inline const LLVector4& operator/=(LLVector4 &a, F32 k)

+{

+    F32 t = 1.f / k;

+    a.mV[VX] *= t;

+    a.mV[VY] *= t;

+    a.mV[VZ] *= t;

+    return a;

+}

+

+inline LLVector4 operator-(const LLVector4 &a)

+{

+    return LLVector4( -a.mV[VX], -a.mV[VY], -a.mV[VZ] );

+}

+

+inline F32  dist_vec(const LLVector4 &a, const LLVector4 &b)

+{

+    LLVector4 vec = a - b;

+    return (vec.length());

+}

+

+inline F32  dist_vec_squared(const LLVector4 &a, const LLVector4 &b)

+{

+    LLVector4 vec = a - b;

+    return (vec.lengthSquared());

+}

+

+inline LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u)

+{

+    return LLVector4(

+        a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,

+        a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,

+        a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,

+        a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);

+}

+

+inline F32      LLVector4::normalize(void)

+{

+    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

+    F32 oomag;

+

+    if (mag > FP_MAG_THRESHOLD)

+    {

+        oomag = 1.f/mag;

+        mV[VX] *= oomag;

+        mV[VY] *= oomag;

+        mV[VZ] *= oomag;

+    }

+    else

+    {

+        mV[0] = 0.f;

+        mV[1] = 0.f;

+        mV[2] = 0.f;

+        mag = 0;

+    }

+    return (mag);

+}

+

+// deprecated

+inline F32      LLVector4::normVec(void)

+{

+    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

+    F32 oomag;

+

+    if (mag > FP_MAG_THRESHOLD)

+    {

+        oomag = 1.f/mag;

+        mV[VX] *= oomag;

+        mV[VY] *= oomag;

+        mV[VZ] *= oomag;

+    }

+    else

+    {

+        mV[0] = 0.f;

+        mV[1] = 0.f;

+        mV[2] = 0.f;

+        mag = 0;

+    }

+    return (mag);

+}

+

+// Because apparently some parts of the viewer use this for color info.

+inline const LLVector4 srgbVector4(const LLVector4 &a) {

+    LLVector4 srgbColor;

+

+    srgbColor.mV[0] = linearTosRGB(a.mV[0]);

+    srgbColor.mV[1] = linearTosRGB(a.mV[1]);

+    srgbColor.mV[2] = linearTosRGB(a.mV[2]);

+    srgbColor.mV[3] = a.mV[3];

+

+    return srgbColor;

+}

+

+

+#endif

+