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Diffstat (limited to 'indra/llmath/llvector4logical.h')
| -rw-r--r-- | indra/llmath/llvector4logical.h | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/indra/llmath/llvector4logical.h b/indra/llmath/llvector4logical.h index c5698f7cea..d08b5513d9 100644 --- a/indra/llmath/llvector4logical.h +++ b/indra/llmath/llvector4logical.h @@ -1,31 +1,31 @@ -/** +/** * @file llvector4logical.h * @brief LLVector4Logical class header file - Companion class to LLVector4a for logical and bit-twiddling operations * * $LicenseInfo:firstyear=2010&license=viewerlgpl$ * 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_VECTOR4LOGICAL_H -#define LL_VECTOR4LOGICAL_H +#ifndef LL_VECTOR4LOGICAL_H +#define LL_VECTOR4LOGICAL_H #include "llmemory.h" @@ -41,86 +41,86 @@ 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 + 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 }; - ll_assert_aligned(allOnes,16); - 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<int N> void setElement() - { - mQ = _mm_or_ps( mQ, *reinterpret_cast<const LLQuad*>(S_V4LOGICAL_MASK_TABLE + 4*N) ); - } - + + 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 }; + ll_assert_aligned(allOnes,16); + 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<int N> void setElement() + { + mQ = _mm_or_ps( mQ, *reinterpret_cast<const LLQuad*>(S_V4LOGICAL_MASK_TABLE + 4*N) ); + } + private: - - LLQuad mQ; + + LLQuad mQ; }; #endif //LL_VECTOR4ALOGICAL_H |