merge up to latest viewer-development with mesh changes

1 files changed, 134 insertions, 0 deletions

diff --git a/indra/llmath/llmatrix3a.cpp b/indra/llmath/llmatrix3a.cpp
new file mode 100644
index 0000000000..ab077abcb0
--- /dev/null
+++ b/indra/llmath/llmatrix3a.cpp
@@ -0,0 +1,134 @@
+/** 
+ * @file llvector4a.cpp
+ * @brief SIMD vector implementation
+ *
+ * $LicenseInfo:firstyear=2010&license=viewerlgpl$
+ * 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
+ * $/LicenseInfo$
+ */
+
+#include "llmath.h"
+
+static LL_ALIGN_16(const F32 M_IDENT_3A[12]) = 
+												{	1.f, 0.f, 0.f, 0.f, // Column 1
+													0.f, 1.f, 0.f, 0.f, // Column 2
+													0.f, 0.f, 1.f, 0.f }; // Column 3
+
+extern const LLMatrix3a LL_M3A_IDENTITY = *reinterpret_cast<const LLMatrix3a*> (M_IDENT_3A);
+
+void LLMatrix3a::setMul( const LLMatrix3a& lhs, const LLMatrix3a& rhs )
+{
+	const LLVector4a col0 = lhs.getColumn(0);
+	const LLVector4a col1 = lhs.getColumn(1);
+	const LLVector4a col2 = lhs.getColumn(2);
+
+	for ( int i = 0; i < 3; i++ )
+	{
+		LLVector4a xxxx = _mm_load_ss( rhs.mColumns[i].getF32ptr() );
+		xxxx.splat<0>( xxxx );
+		xxxx.mul( col0 );
+
+		{
+			LLVector4a yyyy = _mm_load_ss( rhs.mColumns[i].getF32ptr() +  1 );
+			yyyy.splat<0>( yyyy );
+			yyyy.mul( col1 ); 
+			xxxx.add( yyyy );
+		}
+
+		{
+			LLVector4a zzzz = _mm_load_ss( rhs.mColumns[i].getF32ptr() +  2 );
+			zzzz.splat<0>( zzzz );
+			zzzz.mul( col2 );
+			xxxx.add( zzzz );
+		}
+
+		xxxx.store4a( mColumns[i].getF32ptr() );
+	}
+	
+}
+
+/*static */void LLMatrix3a::batchTransform( const LLMatrix3a& xform, const LLVector4a* src, int numVectors, LLVector4a* dst )
+{
+	const LLVector4a col0 = xform.getColumn(0);
+	const LLVector4a col1 = xform.getColumn(1);
+	const LLVector4a col2 = xform.getColumn(2);
+	const LLVector4a* maxAddr = src + numVectors;
+
+	if ( numVectors & 0x1 )
+	{
+		LLVector4a xxxx = _mm_load_ss( (const F32*)src );
+		LLVector4a yyyy = _mm_load_ss( (const F32*)src + 1 );
+		LLVector4a zzzz = _mm_load_ss( (const F32*)src + 2 );
+		xxxx.splat<0>( xxxx );
+		yyyy.splat<0>( yyyy );
+		zzzz.splat<0>( zzzz );
+		xxxx.mul( col0 );
+		yyyy.mul( col1 ); 
+		zzzz.mul( col2 );
+		xxxx.add( yyyy );
+		xxxx.add( zzzz );
+		xxxx.store4a( (F32*)dst );
+		src++;
+		dst++;
+	}
+
+
+	numVectors >>= 1;
+	while ( src < maxAddr )
+	{
+		_mm_prefetch( (const char*)(src + 32 ), _MM_HINT_NTA );
+		_mm_prefetch( (const char*)(dst + 32), _MM_HINT_NTA );
+		LLVector4a xxxx = _mm_load_ss( (const F32*)src );
+		LLVector4a xxxx1= _mm_load_ss( (const F32*)(src + 1) );
+
+		xxxx.splat<0>( xxxx );
+		xxxx1.splat<0>( xxxx1 );
+		xxxx.mul( col0 );
+		xxxx1.mul( col0 );
+
+		{
+			LLVector4a yyyy = _mm_load_ss( (const F32*)src + 1 );
+			LLVector4a yyyy1 = _mm_load_ss( (const F32*)(src + 1) + 1);
+			yyyy.splat<0>( yyyy );
+			yyyy1.splat<0>( yyyy1 );
+			yyyy.mul( col1 );
+			yyyy1.mul( col1 );
+			xxxx.add( yyyy );
+			xxxx1.add( yyyy1 );
+		}
+
+		{
+			LLVector4a zzzz = _mm_load_ss( (const F32*)(src) + 2 );
+			LLVector4a zzzz1 = _mm_load_ss( (const F32*)(++src) + 2 );
+			zzzz.splat<0>( zzzz );
+			zzzz1.splat<0>( zzzz1 );
+			zzzz.mul( col2 );
+			zzzz1.mul( col2 );
+			xxxx.add( zzzz );
+			xxxx1.add( zzzz1 );
+		}
+
+		xxxx.store4a(dst->getF32ptr());
+		src++;
+		dst++;
+
+		xxxx1.store4a((F32*)dst++);
+	}
+}