mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-01-20 12:44:46 +00:00
70 lines
2.7 KiB
C++
70 lines
2.7 KiB
C++
//-----------------------------------------------------------------------------
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// Copyright (c) 2012 GarageGames, LLC
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//-----------------------------------------------------------------------------
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#include "ts/tsMesh.h"
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#if (defined( TORQUE_CPU_X86 ) || defined( TORQUE_CPU_X64 ))
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#include "ts/tsMeshIntrinsics.h"
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#include <xmmintrin.h>
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void zero_vert_normal_bulk_SSE(const dsize_t count, U8 * __restrict const outPtr, const dsize_t outStride)
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{
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// A U8 * version of the in/out pointer
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char *outData = reinterpret_cast<char *>(outPtr);
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__m128 vPos;
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__m128 vNrm;
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__m128 vMask;
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const __m128 _point3f_zero_mask = { 0.0f, 0.0f, 0.0f, 1.0f };
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vMask = _mm_load_ps((const F32*)&_point3f_zero_mask);
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// pre-populate cache
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for(S32 i = 0; i < 8; i++)
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_mm_prefetch(reinterpret_cast<const char *>(outData + outStride * i), _MM_HINT_T0);
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for(S32 i = 0; i < count; i++)
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{
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TSMesh::__TSMeshVertexBase *curElem = reinterpret_cast<TSMesh::__TSMeshVertexBase *>(outData);
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// prefetch 8 items ahead (should really detect cache size or something)
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_mm_prefetch(reinterpret_cast<const char *>(outData + outStride * 8), _MM_HINT_T0);
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// load
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vPos = _mm_load_ps(curElem->_vert);
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vNrm = _mm_load_ps(curElem->_normal);
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// mask
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vPos = _mm_mul_ps(vPos, _point3f_zero_mask);
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vNrm = _mm_mul_ps(vNrm, _point3f_zero_mask);
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// store
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_mm_store_ps(curElem->_vert, vPos);
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_mm_store_ps(curElem->_normal, vNrm);
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// update output pointer
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outData += outStride;
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}
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}
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//------------------------------------------------------------------------------
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#endif // TORQUE_CPU_X86
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