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author | Joursoir <chat@joursoir.net> | 2021-04-10 17:29:02 +0000 |
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committer | Joursoir <chat@joursoir.net> | 2021-04-10 17:29:02 +0000 |
commit | a8b3118e8305fd1c668ea25e07157b625c9747ff (patch) | |
tree | 69aeec3c40e123443675da381774ef656a2c86e0 /src/include/glm/detail/func_integer_simd.inl | |
parent | 887314d01046ed2c00db3eb7b4b227f070501aa1 (diff) | |
download | space-simulator-a8b3118e8305fd1c668ea25e07157b625c9747ff.tar.gz space-simulator-a8b3118e8305fd1c668ea25e07157b625c9747ff.tar.bz2 space-simulator-a8b3118e8305fd1c668ea25e07157b625c9747ff.zip |
add glm headers
Diffstat (limited to 'src/include/glm/detail/func_integer_simd.inl')
-rw-r--r-- | src/include/glm/detail/func_integer_simd.inl | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/include/glm/detail/func_integer_simd.inl b/src/include/glm/detail/func_integer_simd.inl new file mode 100644 index 0000000..96ed825 --- /dev/null +++ b/src/include/glm/detail/func_integer_simd.inl @@ -0,0 +1,65 @@ +#include "../simd/integer.h"
+
+#if GLM_ARCH & GLM_ARCH_SSE2_BIT
+
+namespace glm{
+namespace detail
+{
+ template<qualifier Q>
+ struct compute_bitfieldReverseStep<4, uint, Q, true, true>
+ {
+ GLM_FUNC_QUALIFIER static vec<4, uint, Q> call(vec<4, uint, Q> const& v, uint Mask, uint Shift)
+ {
+ __m128i const set0 = v.data;
+
+ __m128i const set1 = _mm_set1_epi32(static_cast<int>(Mask));
+ __m128i const and1 = _mm_and_si128(set0, set1);
+ __m128i const sft1 = _mm_slli_epi32(and1, Shift);
+
+ __m128i const set2 = _mm_andnot_si128(set0, _mm_set1_epi32(-1));
+ __m128i const and2 = _mm_and_si128(set0, set2);
+ __m128i const sft2 = _mm_srai_epi32(and2, Shift);
+
+ __m128i const or0 = _mm_or_si128(sft1, sft2);
+
+ return or0;
+ }
+ };
+
+ template<qualifier Q>
+ struct compute_bitfieldBitCountStep<4, uint, Q, true, true>
+ {
+ GLM_FUNC_QUALIFIER static vec<4, uint, Q> call(vec<4, uint, Q> const& v, uint Mask, uint Shift)
+ {
+ __m128i const set0 = v.data;
+
+ __m128i const set1 = _mm_set1_epi32(static_cast<int>(Mask));
+ __m128i const and0 = _mm_and_si128(set0, set1);
+ __m128i const sft0 = _mm_slli_epi32(set0, Shift);
+ __m128i const and1 = _mm_and_si128(sft0, set1);
+ __m128i const add0 = _mm_add_epi32(and0, and1);
+
+ return add0;
+ }
+ };
+}//namespace detail
+
+# if GLM_ARCH & GLM_ARCH_AVX_BIT
+ template<>
+ GLM_FUNC_QUALIFIER int bitCount(uint x)
+ {
+ return _mm_popcnt_u32(x);
+ }
+
+# if(GLM_MODEL == GLM_MODEL_64)
+ template<>
+ GLM_FUNC_QUALIFIER int bitCount(detail::uint64 x)
+ {
+ return static_cast<int>(_mm_popcnt_u64(x));
+ }
+# endif//GLM_MODEL
+# endif//GLM_ARCH
+
+}//namespace glm
+
+#endif//GLM_ARCH & GLM_ARCH_SSE2_BIT
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