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Christophe Riccio
2013-12-25 23:48:55 +01:00
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<div class="title">intrinsic_exponential.hpp</div> </div>
<div class="title">handed_coordinate_space.hpp</div> </div>
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<a href="a00045.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;</div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="preprocessor">#ifndef glm_detail_intrinsic_exponential</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define glm_detail_intrinsic_exponential</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="a00084.html" title="OpenGL Mathematics (glm.g-truc.net)">setup.hpp</a>&quot;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160;</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;<span class="preprocessor">#if(!(GLM_ARCH &amp; GLM_ARCH_SSE2))</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># error &quot;SSE2 instructions not supported or enabled&quot;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#else</span></div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="keyword">namespace </span>glm{</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="keyword">namespace </span>detail</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;{</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="comment">GLM_FUNC_QUALIFIER __m128 sse_rsqrt_nr_ss(__m128 const x)</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;<span class="comment">{</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="comment"> __m128 recip = _mm_rsqrt_ss( x ); // &quot;estimate&quot; opcode</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="comment"> const static __m128 three = { 3, 3, 3, 3 }; // aligned consts for fast load</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="comment"> const static __m128 half = { 0.5,0.5,0.5,0.5 };</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="comment"> __m128 halfrecip = _mm_mul_ss( half, recip );</span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="comment"> __m128 threeminus_xrr = _mm_sub_ss( three, _mm_mul_ss( x, _mm_mul_ss ( recip, recip ) ) );</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;<span class="comment"> return _mm_mul_ss( halfrecip, threeminus_xrr );</span></div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160;<span class="comment">}</span></div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;<span class="comment">GLM_FUNC_QUALIFIER __m128 sse_normalize_fast_ps( float * RESTRICT vOut, float * RESTRICT vIn )</span></div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;<span class="comment">{</span></div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;<span class="comment"> __m128 x = _mm_load_ss(&amp;vIn[0]);</span></div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="comment"> __m128 y = _mm_load_ss(&amp;vIn[1]);</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160;<span class="comment"> __m128 z = _mm_load_ss(&amp;vIn[2]);</span></div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;<span class="comment"> const __m128 l = // compute x*x + y*y + z*z</span></div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160;<span class="comment"> _mm_add_ss(</span></div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment"> _mm_add_ss( _mm_mul_ss(x,x),</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment"> _mm_mul_ss(y,y)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment"> ),</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="comment"> _mm_mul_ss( z, z )</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment"> );</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="comment"> const __m128 rsqt = _mm_rsqrt_nr_ss( l );</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="comment"> _mm_store_ss( &amp;vOut[0] , _mm_mul_ss( rsqt, x ) );</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="comment"> _mm_store_ss( &amp;vOut[1] , _mm_mul_ss( rsqt, y ) );</span></div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;<span class="comment"> _mm_store_ss( &amp;vOut[2] , _mm_mul_ss( rsqt, z ) );</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;<span class="comment"> </span></div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="comment"> return _mm_mul_ss( l , rsqt );</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;<span class="comment">}</span></div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;}<span class="comment">//namespace detail</span></div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;}<span class="comment">//namespace glm</span></div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;<span class="preprocessor">#endif//GLM_ARCH</span></div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif//glm_detail_intrinsic_exponential</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;<span class="preprocessor">#ifndef GLM_GTX_handed_coordinate_space</span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define GLM_GTX_handed_coordinate_space</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;<span class="comment">// Dependency:</span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160;<span class="preprocessor">#include &quot;../glm.hpp&quot;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160;<span class="preprocessor">#if(defined(GLM_MESSAGES) &amp;&amp; !defined(GLM_EXT_INCLUDED))</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;<span class="preprocessor"></span><span class="preprocessor"># pragma message(&quot;GLM: GLM_GTX_handed_coordinate_space extension included&quot;)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;<span class="keyword">namespace </span>glm</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160;{</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="a00200.html#gad06cdc63effdab6532f397b561f6de88">rightHanded</a>(</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; tangent,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; binormal,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; normal);</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T, precision P&gt;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="a00200.html#gabce2601c792d8961aa495803a640e035">leftHanded</a>(</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; tangent,</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; binormal,</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; detail::tvec3&lt;T, P&gt; <span class="keyword">const</span> &amp; normal);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160;}<span class="comment">// namespace glm</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;<span class="preprocessor">#include &quot;handed_coordinate_space.inl&quot;</span></div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160;</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160;<span class="preprocessor">#endif//GLM_GTX_handed_coordinate_space</span></div>
<div class="ttc" id="a00200_html_gabce2601c792d8961aa495803a640e035"><div class="ttname"><a href="a00200.html#gabce2601c792d8961aa495803a640e035">glm::leftHanded</a></div><div class="ttdeci">bool leftHanded(detail::tvec3&lt; T, P &gt; const &amp;tangent, detail::tvec3&lt; T, P &gt; const &amp;binormal, detail::tvec3&lt; T, P &gt; const &amp;normal)</div><div class="ttdoc">Return if a trihedron left handed or not. </div></div>
<div class="ttc" id="a00200_html_gad06cdc63effdab6532f397b561f6de88"><div class="ttname"><a href="a00200.html#gad06cdc63effdab6532f397b561f6de88">glm::rightHanded</a></div><div class="ttdeci">bool rightHanded(detail::tvec3&lt; T, P &gt; const &amp;tangent, detail::tvec3&lt; T, P &gt; const &amp;binormal, detail::tvec3&lt; T, P &gt; const &amp;normal)</div><div class="ttdoc">Return if a trihedron right handed or not. </div></div>
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