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author | Nikolas <nikolas@boutalas.com> | 2024-10-27 12:52:55 +0200 |
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committer | Nikolas <nikolas@boutalas.com> | 2024-10-27 12:52:55 +0200 |
commit | 43394c8a8908442982e3a7e25975c31b3c952923 (patch) | |
tree | 2facd563e29f48fe3b0653ac5c113998940b4d5e /3rdparty/include/glm/detail/intrinsic_geometric.inl |
Diffstat (limited to '3rdparty/include/glm/detail/intrinsic_geometric.inl')
-rw-r--r-- | 3rdparty/include/glm/detail/intrinsic_geometric.inl | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/3rdparty/include/glm/detail/intrinsic_geometric.inl b/3rdparty/include/glm/detail/intrinsic_geometric.inl new file mode 100644 index 0000000..3a3e4b0 --- /dev/null +++ b/3rdparty/include/glm/detail/intrinsic_geometric.inl @@ -0,0 +1,147 @@ +/////////////////////////////////////////////////////////////////////////////////// +/// OpenGL Mathematics (glm.g-truc.net) +/// +/// Copyright (c) 2005 - 2015 G-Truc Creation (www.g-truc.net) +/// 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, sublicense, 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE +/// AUTHORS OR COPYRIGHT HOLDERS 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. +/// +/// @ref core +/// @file glm/detail/intrinsic_geometric.inl +/// @date 2009-05-08 / 2011-06-15 +/// @author Christophe Riccio +/////////////////////////////////////////////////////////////////////////////////// + +namespace glm{ +namespace detail{ + +//length +GLM_FUNC_QUALIFIER __m128 sse_len_ps(__m128 x) +{ + __m128 dot0 = sse_dot_ps(x, x); + __m128 sqt0 = _mm_sqrt_ps(dot0); + return sqt0; +} + +//distance +GLM_FUNC_QUALIFIER __m128 sse_dst_ps(__m128 p0, __m128 p1) +{ + __m128 sub0 = _mm_sub_ps(p0, p1); + __m128 len0 = sse_len_ps(sub0); + return len0; +} + +//dot +GLM_FUNC_QUALIFIER __m128 sse_dot_ps(__m128 v1, __m128 v2) +{ + +# if(GLM_ARCH & GLM_ARCH_AVX) + return _mm_dp_ps(v1, v2, 0xff); +# else + __m128 mul0 = _mm_mul_ps(v1, v2); + __m128 swp0 = _mm_shuffle_ps(mul0, mul0, _MM_SHUFFLE(2, 3, 0, 1)); + __m128 add0 = _mm_add_ps(mul0, swp0); + __m128 swp1 = _mm_shuffle_ps(add0, add0, _MM_SHUFFLE(0, 1, 2, 3)); + __m128 add1 = _mm_add_ps(add0, swp1); + return add1; +# endif +} + +// SSE1 +GLM_FUNC_QUALIFIER __m128 sse_dot_ss(__m128 v1, __m128 v2) +{ + __m128 mul0 = _mm_mul_ps(v1, v2); + __m128 mov0 = _mm_movehl_ps(mul0, mul0); + __m128 add0 = _mm_add_ps(mov0, mul0); + __m128 swp1 = _mm_shuffle_ps(add0, add0, 1); + __m128 add1 = _mm_add_ss(add0, swp1); + return add1; +} + +//cross +GLM_FUNC_QUALIFIER __m128 sse_xpd_ps(__m128 v1, __m128 v2) +{ + __m128 swp0 = _mm_shuffle_ps(v1, v1, _MM_SHUFFLE(3, 0, 2, 1)); + __m128 swp1 = _mm_shuffle_ps(v1, v1, _MM_SHUFFLE(3, 1, 0, 2)); + __m128 swp2 = _mm_shuffle_ps(v2, v2, _MM_SHUFFLE(3, 0, 2, 1)); + __m128 swp3 = _mm_shuffle_ps(v2, v2, _MM_SHUFFLE(3, 1, 0, 2)); + __m128 mul0 = _mm_mul_ps(swp0, swp3); + __m128 mul1 = _mm_mul_ps(swp1, swp2); + __m128 sub0 = _mm_sub_ps(mul0, mul1); + return sub0; +} + +//normalize +GLM_FUNC_QUALIFIER __m128 sse_nrm_ps(__m128 v) +{ + __m128 dot0 = sse_dot_ps(v, v); + __m128 isr0 = _mm_rsqrt_ps(dot0); + __m128 mul0 = _mm_mul_ps(v, isr0); + return mul0; +} + +//faceforward +GLM_FUNC_QUALIFIER __m128 sse_ffd_ps(__m128 N, __m128 I, __m128 Nref) +{ + //__m128 dot0 = _mm_dot_ps(v, v); + //__m128 neg0 = _mm_neg_ps(N); + //__m128 sgn0 = _mm_sgn_ps(dot0); + //__m128 mix0 = _mm_mix_ps(N, neg0, sgn0); + //return mix0; + + __m128 dot0 = sse_dot_ps(Nref, I); + __m128 sgn0 = sse_sgn_ps(dot0); + __m128 mul0 = _mm_mul_ps(sgn0, glm::detail::minus_one); + __m128 mul1 = _mm_mul_ps(N, mul0); + return mul1; +} + +//reflect +GLM_FUNC_QUALIFIER __m128 sse_rfe_ps(__m128 I, __m128 N) +{ + __m128 dot0 = sse_dot_ps(N, I); + __m128 mul0 = _mm_mul_ps(N, dot0); + __m128 mul1 = _mm_mul_ps(mul0, glm::detail::two); + __m128 sub0 = _mm_sub_ps(I, mul1); + return sub0; +} + +//refract +GLM_FUNC_QUALIFIER __m128 sse_rfa_ps(__m128 I, __m128 N, __m128 eta) +{ + __m128 dot0 = sse_dot_ps(N, I); + __m128 mul0 = _mm_mul_ps(eta, eta); + __m128 mul1 = _mm_mul_ps(dot0, dot0); + __m128 sub0 = _mm_sub_ps(glm::detail::one, mul0); + __m128 sub1 = _mm_sub_ps(glm::detail::one, mul1); + __m128 mul2 = _mm_mul_ps(sub0, sub1); + + if(_mm_movemask_ps(_mm_cmplt_ss(mul2, glm::detail::zero)) == 0) + return glm::detail::zero; + + __m128 sqt0 = _mm_sqrt_ps(mul2); + __m128 mul3 = _mm_mul_ps(eta, dot0); + __m128 add0 = _mm_add_ps(mul3, sqt0); + __m128 mul4 = _mm_mul_ps(add0, N); + __m128 mul5 = _mm_mul_ps(eta, I); + __m128 sub2 = _mm_sub_ps(mul5, mul4); + + return sub2; +} + +}//namespace detail +}//namespace glm |