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Diffstat (limited to 'inc/glm/detail/intrinsic_integer.inl')
| -rw-r--r-- | inc/glm/detail/intrinsic_integer.inl | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/inc/glm/detail/intrinsic_integer.inl b/inc/glm/detail/intrinsic_integer.inl new file mode 100644 index 0000000..1ea96b5 --- /dev/null +++ b/inc/glm/detail/intrinsic_integer.inl @@ -0,0 +1,139 @@ +///////////////////////////////////////////////////////////////////////////////////
+/// OpenGL Mathematics (glm.g-truc.net)
+///
+/// Copyright (c) 2005 - 2012 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_integer.inl
+/// @date 2009-05-08 / 2011-06-15
+/// @author Christophe Riccio
+///////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace detail
+{
+ inline __m128i _mm_bit_interleave_si128(__m128i x)
+ {
+ __m128i const Mask4 = _mm_set1_epi32(0x0000FFFF);
+ __m128i const Mask3 = _mm_set1_epi32(0x00FF00FF);
+ __m128i const Mask2 = _mm_set1_epi32(0x0F0F0F0F);
+ __m128i const Mask1 = _mm_set1_epi32(0x33333333);
+ __m128i const Mask0 = _mm_set1_epi32(0x55555555);
+
+ __m128i Reg1;
+ __m128i Reg2;
+
+ // REG1 = x;
+ // REG2 = y;
+ //Reg1 = _mm_unpacklo_epi64(x, y);
+ Reg1 = x;
+
+ //REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x0000FFFF0000FFFF);
+ //REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x0000FFFF0000FFFF);
+ Reg2 = _mm_slli_si128(Reg1, 2);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask4);
+
+ //REG1 = ((REG1 << 8) | REG1) & glm::uint64(0x00FF00FF00FF00FF);
+ //REG2 = ((REG2 << 8) | REG2) & glm::uint64(0x00FF00FF00FF00FF);
+ Reg2 = _mm_slli_si128(Reg1, 1);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask3);
+
+ //REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+ //REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+ Reg2 = _mm_slli_epi32(Reg1, 4);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask2);
+
+ //REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x3333333333333333);
+ //REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x3333333333333333);
+ Reg2 = _mm_slli_epi32(Reg1, 2);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask1);
+
+ //REG1 = ((REG1 << 1) | REG1) & glm::uint64(0x5555555555555555);
+ //REG2 = ((REG2 << 1) | REG2) & glm::uint64(0x5555555555555555);
+ Reg2 = _mm_slli_epi32(Reg1, 1);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask0);
+
+ //return REG1 | (REG2 << 1);
+ Reg2 = _mm_slli_epi32(Reg1, 1);
+ Reg2 = _mm_srli_si128(Reg2, 8);
+ Reg1 = _mm_or_si128(Reg1, Reg2);
+
+ return Reg1;
+ }
+
+ inline __m128i _mm_bit_interleave_si128(__m128i x, __m128i y)
+ {
+ __m128i const Mask4 = _mm_set1_epi32(0x0000FFFF);
+ __m128i const Mask3 = _mm_set1_epi32(0x00FF00FF);
+ __m128i const Mask2 = _mm_set1_epi32(0x0F0F0F0F);
+ __m128i const Mask1 = _mm_set1_epi32(0x33333333);
+ __m128i const Mask0 = _mm_set1_epi32(0x55555555);
+
+ __m128i Reg1;
+ __m128i Reg2;
+
+ // REG1 = x;
+ // REG2 = y;
+ Reg1 = _mm_unpacklo_epi64(x, y);
+
+ //REG1 = ((REG1 << 16) | REG1) & glm::uint64(0x0000FFFF0000FFFF);
+ //REG2 = ((REG2 << 16) | REG2) & glm::uint64(0x0000FFFF0000FFFF);
+ Reg2 = _mm_slli_si128(Reg1, 2);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask4);
+
+ //REG1 = ((REG1 << 8) | REG1) & glm::uint64(0x00FF00FF00FF00FF);
+ //REG2 = ((REG2 << 8) | REG2) & glm::uint64(0x00FF00FF00FF00FF);
+ Reg2 = _mm_slli_si128(Reg1, 1);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask3);
+
+ //REG1 = ((REG1 << 4) | REG1) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+ //REG2 = ((REG2 << 4) | REG2) & glm::uint64(0x0F0F0F0F0F0F0F0F);
+ Reg2 = _mm_slli_epi32(Reg1, 4);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask2);
+
+ //REG1 = ((REG1 << 2) | REG1) & glm::uint64(0x3333333333333333);
+ //REG2 = ((REG2 << 2) | REG2) & glm::uint64(0x3333333333333333);
+ Reg2 = _mm_slli_epi32(Reg1, 2);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask1);
+
+ //REG1 = ((REG1 << 1) | REG1) & glm::uint64(0x5555555555555555);
+ //REG2 = ((REG2 << 1) | REG2) & glm::uint64(0x5555555555555555);
+ Reg2 = _mm_slli_epi32(Reg1, 1);
+ Reg1 = _mm_or_si128(Reg2, Reg1);
+ Reg1 = _mm_and_si128(Reg1, Mask0);
+
+ //return REG1 | (REG2 << 1);
+ Reg2 = _mm_slli_epi32(Reg1, 1);
+ Reg2 = _mm_srli_si128(Reg2, 8);
+ Reg1 = _mm_or_si128(Reg1, Reg2);
+
+ return Reg1;
+ }
+}//namespace detail
+}//namespace glms
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