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Colorspace Handler: Fix pixel alignment bug in _ConvertColorBaseTo5551_AVX2(). (Related to commit de4f1c9.)

This commit is contained in:
rogerman 2017-07-24 13:33:03 -07:00
parent 5c983ede81
commit 4ba36cbd1e
1 changed files with 5 additions and 3 deletions
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8
desmume/src/utils/colorspacehandler/colorspacehandler_AVX2.cpp
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@ -160,7 +160,8 @@ FORCEINLINE v256u16 _ConvertColorBaseTo5551_AVX2(const v256u32 &srcLo, const v25
}
// Convert alpha
alpha = _mm256_packs_epi32( _mm256_and_si256(_mm256_srli_epi32(srcLo, 24), _mm256_set1_epi32(0x0000001F)), _mm256_and_si256(_mm256_srli_epi32(srcHi, 24), _mm256_set1_epi32(0x0000001F)) );
alpha = _mm256_packus_epi32( _mm256_and_si256(_mm256_srli_epi32(srcLo, 24), _mm256_set1_epi32(0x0000001F)), _mm256_and_si256(_mm256_srli_epi32(srcHi, 24), _mm256_set1_epi32(0x0000001F)) );
alpha = _mm256_permute4x64_epi64(alpha, 0xD8);
alpha = _mm256_cmpgt_epi16(alpha, _mm256_setzero_si256());
alpha = _mm256_and_si256(alpha, _mm256_set1_epi16(0x8000));
}
@ -192,12 +193,13 @@ FORCEINLINE v256u16 _ConvertColorBaseTo5551_AVX2(const v256u32 &srcLo, const v25
}
// Convert alpha
alpha = _mm256_packs_epi32( _mm256_srli_epi32(srcLo, 24), _mm256_srli_epi32(srcHi, 24) );
alpha = _mm256_packus_epi32( _mm256_srli_epi32(srcLo, 24), _mm256_srli_epi32(srcHi, 24) );
alpha = _mm256_permute4x64_epi64(alpha, 0xD8);
alpha = _mm256_cmpgt_epi16(alpha, _mm256_setzero_si256());
alpha = _mm256_and_si256(alpha, _mm256_set1_epi16(0x8000));
}
return _mm256_or_si256(_mm256_packs_epi32(rgbLo, rgbHi), alpha);
return _mm256_or_si256( _mm256_permute4x64_epi64(_mm256_packus_epi32(rgbLo, rgbHi), 0xD8), alpha );
}
template <bool SWAP_RB>