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Diffstat (limited to 'external/include/glm/simd/integer.h')
| -rw-r--r-- | external/include/glm/simd/integer.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/external/include/glm/simd/integer.h b/external/include/glm/simd/integer.h new file mode 100644 index 0000000..50fd824 --- /dev/null +++ b/external/include/glm/simd/integer.h @@ -0,0 +1,115 @@ +/// @ref simd +/// @file glm/simd/integer.h + +#pragma once + +#if GLM_ARCH & GLM_ARCH_SSE2_BIT + +GLM_FUNC_QUALIFIER glm_uvec4 glm_i128_interleave(glm_uvec4 x) +{ + glm_uvec4 const Mask4 = _mm_set1_epi32(0x0000FFFF); + glm_uvec4 const Mask3 = _mm_set1_epi32(0x00FF00FF); + glm_uvec4 const Mask2 = _mm_set1_epi32(0x0F0F0F0F); + glm_uvec4 const Mask1 = _mm_set1_epi32(0x33333333); + glm_uvec4 const Mask0 = _mm_set1_epi32(0x55555555); + + glm_uvec4 Reg1; + glm_uvec4 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; +} + +GLM_FUNC_QUALIFIER glm_uvec4 glm_i128_interleave2(glm_uvec4 x, glm_uvec4 y) +{ + glm_uvec4 const Mask4 = _mm_set1_epi32(0x0000FFFF); + glm_uvec4 const Mask3 = _mm_set1_epi32(0x00FF00FF); + glm_uvec4 const Mask2 = _mm_set1_epi32(0x0F0F0F0F); + glm_uvec4 const Mask1 = _mm_set1_epi32(0x33333333); + glm_uvec4 const Mask0 = _mm_set1_epi32(0x55555555); + + glm_uvec4 Reg1; + glm_uvec4 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; +} + +#endif//GLM_ARCH & GLM_ARCH_SSE2_BIT |