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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* This file is compiled with clang into the LLVM bitcode
*
* Authors:
* Zack Rusin zack@tungstengraphics.com
*/
typedef __attribute__(( ocu_vector_type(4) )) float float4;
void dp3(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
{
float4 dot = (tmp0x * tmp1x) + (tmp0y * tmp1y) +
(tmp0z * tmp1z);
res[0] = dot;
res[1] = dot;
res[2] = dot;
res[3] = dot;
}
void dp4(float4 *res,
float4 tmp0x, float4 tmp0y, float4 tmp0z, float4 tmp0w,
float4 tmp1x, float4 tmp1y, float4 tmp1z, float4 tmp1w)
{
float4 dot = (tmp0x * tmp1x) + (tmp0y * tmp1y) +
(tmp0z * tmp1z) + (tmp0w * tmp1w);
res[0] = dot;
res[1] = dot;
res[2] = dot;
res[3] = dot;
}
#if 0
void yo(float4 *out, float4 *in)
{
float4 res[4];
dp3(res, in[0], in[1], in[2], in[3],
in[4], in[5], in[6], in[7]);
out[1] = res[1];
}
#endif
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