From 71de5f622a7917f78823a7e7840194e1b0f8f070 Mon Sep 17 00:00:00 2001 From: Dave Parks Date: Thu, 26 Aug 2010 14:23:12 -0500 Subject: Add missing files from viewer-experimental --- indra/llmath/llvector4logical.h | 130 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 indra/llmath/llvector4logical.h (limited to 'indra/llmath/llvector4logical.h') diff --git a/indra/llmath/llvector4logical.h b/indra/llmath/llvector4logical.h new file mode 100644 index 0000000000..1c7ee1d79f --- /dev/null +++ b/indra/llmath/llvector4logical.h @@ -0,0 +1,130 @@ +/** + * @file llvector4logical.h + * @brief LLVector4Logical class header file - Companion class to LLVector4a for logical and bit-twiddling operations + * + * $LicenseInfo:firstyear=2010&license=viewergpl$ + * + * 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_VECTOR4LOGICAL_H +#define LL_VECTOR4LOGICAL_H + + +//////////////////////////// +// LLVector4Logical +//////////////////////////// +// This class is incomplete. If you need additional functionality, +// for example setting/unsetting particular elements or performing +// other boolean operations, feel free to implement. If you need +// assistance in determining the most optimal implementation, +// contact someone with SSE experience (Falcon, Richard, Davep, e.g.) +//////////////////////////// + +static LL_ALIGN_16(const U32 S_V4LOGICAL_MASK_TABLE[4*4]) = +{ + 0xFFFFFFFF, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0xFFFFFFFF, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0xFFFFFFFF +}; + +class LLVector4Logical +{ +public: + + enum { + MASK_X = 1, + MASK_Y = 1 << 1, + MASK_Z = 1 << 2, + MASK_W = 1 << 3, + MASK_XYZ = MASK_X | MASK_Y | MASK_Z, + MASK_XYZW = MASK_XYZ | MASK_W + }; + + // Empty default ctor + LLVector4Logical() {} + + LLVector4Logical( const LLQuad& quad ) + { + mQ = quad; + } + + // Create and return a mask consisting of the lowest order bit of each element + inline U32 getGatheredBits() const + { + return _mm_movemask_ps(mQ); + }; + + // Invert this mask + inline LLVector4Logical& invert() + { + static const LL_ALIGN_16(U32 allOnes[4]) = { 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF }; + mQ = _mm_andnot_ps( mQ, *(LLQuad*)(allOnes) ); + return *this; + } + + inline LLBool32 areAllSet( U32 mask ) const + { + return ( getGatheredBits() & mask) == mask; + } + + inline LLBool32 areAllSet() const + { + return areAllSet( MASK_XYZW ); + } + + inline LLBool32 areAnySet( U32 mask ) const + { + return getGatheredBits() & mask; + } + + inline LLBool32 areAnySet() const + { + return areAnySet( MASK_XYZW ); + } + + inline operator LLQuad() const + { + return mQ; + } + + inline void clear() + { + mQ = _mm_setzero_ps(); + } + + template void setElement() + { + mQ = _mm_or_ps( mQ, *reinterpret_cast(S_V4LOGICAL_MASK_TABLE + 4*N) ); + } + +private: + + LLQuad mQ; +}; + +#endif //LL_VECTOR4ALOGICAL_H -- cgit v1.2.3 From a5619d16f74863168f45b04b37cc6383e1a92263 Mon Sep 17 00:00:00 2001 From: Oz Linden Date: Wed, 13 Oct 2010 07:24:37 -0400 Subject: correct licenses (fix problem with license change merge) --- indra/llmath/llvector4logical.h | 36 +++++++++++++++--------------------- 1 file changed, 15 insertions(+), 21 deletions(-) (limited to 'indra/llmath/llvector4logical.h') diff --git a/indra/llmath/llvector4logical.h b/indra/llmath/llvector4logical.h index 1c7ee1d79f..dd66b09d43 100644 --- a/indra/llmath/llvector4logical.h +++ b/indra/llmath/llvector4logical.h @@ -2,31 +2,25 @@ * @file llvector4logical.h * @brief LLVector4Logical class header file - Companion class to LLVector4a for logical and bit-twiddling operations * - * $LicenseInfo:firstyear=2010&license=viewergpl$ + * $LicenseInfo:firstyear=2010&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2010, Linden Research, Inc. * - * Copyright (c) 2007-2010, 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. * - * 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 + * 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. * - * 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 + * 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 * - * 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. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ -- cgit v1.2.3