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author | Thiago Macieira <thiago.macieira@intel.com> | 2019-01-08 12:27:31 -0800 |
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committer | Thiago Macieira <thiago.macieira@intel.com> | 2019-01-09 22:15:41 +0000 |
commit | f370410097f8cb8d8fdf6174b799497fe7fe0adf (patch) | |
tree | 170a4d3a103ca931d1584ed5401be0f3337b0b35 /src/gui/painting/qdrawhelper_avx2.cpp | |
parent | c8c5ff19de1c34a99b8315e59015d115957b3584 (diff) |
Add AVX2 version of ARGB->ARGB32PM
Similar to the previous commit. This also removes the SSE4
implementations from Qt builds that use AVX2 throughout.
Change-Id: I251f00d706d646ed87b4fffd1577f96ed52a4cf4
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Diffstat (limited to 'src/gui/painting/qdrawhelper_avx2.cpp')
-rw-r--r-- | src/gui/painting/qdrawhelper_avx2.cpp | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_avx2.cpp b/src/gui/painting/qdrawhelper_avx2.cpp index 7829e476e5..d8732dc29f 100644 --- a/src/gui/painting/qdrawhelper_avx2.cpp +++ b/src/gui/painting/qdrawhelper_avx2.cpp @@ -996,6 +996,144 @@ void QT_FASTCALL fetchTransformedBilinearARGB32PM_fast_rotate_helper_avx2(uint * } template<bool RGBA> +static void convertARGBToARGB32PM_avx2(uint *buffer, const uint *src, qsizetype count) +{ + qsizetype i = 0; + const __m256i alphaMask = _mm256_set1_epi32(0xff000000); + const __m256i rgbaMask = _mm256_broadcastsi128_si256(_mm_setr_epi8(2, 1, 0, 3, 6, 5, 4, 7, 10, 9, 8, 11, 14, 13, 12, 15)); + const __m256i shuffleMask = _mm256_broadcastsi128_si256(_mm_setr_epi8(6, 7, 6, 7, 6, 7, 6, 7, 14, 15, 14, 15, 14, 15, 14, 15)); + const __m256i half = _mm256_set1_epi16(0x0080); + const __m256i zero = _mm256_setzero_si256(); + + for (; i < count - 7; i += 8) { + __m256i srcVector = _mm256_loadu_si256(reinterpret_cast<const __m256i *>(src + i)); + if (!_mm256_testz_si256(srcVector, alphaMask)) { + if (!_mm256_testc_si256(srcVector, alphaMask)) { + if (RGBA) + srcVector = _mm256_shuffle_epi8(srcVector, rgbaMask); + __m256i src1 = _mm256_unpacklo_epi8(srcVector, zero); + __m256i src2 = _mm256_unpackhi_epi8(srcVector, zero); + __m256i alpha1 = _mm256_shuffle_epi8(src1, shuffleMask); + __m256i alpha2 = _mm256_shuffle_epi8(src2, shuffleMask); + src1 = _mm256_mullo_epi16(src1, alpha1); + src2 = _mm256_mullo_epi16(src2, alpha2); + src1 = _mm256_add_epi16(src1, _mm256_srli_epi16(src1, 8)); + src2 = _mm256_add_epi16(src2, _mm256_srli_epi16(src2, 8)); + src1 = _mm256_add_epi16(src1, half); + src2 = _mm256_add_epi16(src2, half); + src1 = _mm256_srli_epi16(src1, 8); + src2 = _mm256_srli_epi16(src2, 8); + src1 = _mm256_blend_epi16(src1, alpha1, 0x88); + src2 = _mm256_blend_epi16(src2, alpha2, 0x88); + srcVector = _mm256_packus_epi16(src1, src2); + _mm256_storeu_si256(reinterpret_cast<__m256i *>(buffer + i), srcVector); + } else { + if (RGBA) + srcVector = _mm256_shuffle_epi8(srcVector, rgbaMask); + if (buffer != src || RGBA) + _mm256_storeu_si256(reinterpret_cast<__m256i *>(buffer + i), srcVector); + } + } else { + _mm256_storeu_si256(reinterpret_cast<__m256i *>(buffer + i), zero); + } + } + + if (i < count - 3) { + __m128i srcVector = _mm_loadu_si128(reinterpret_cast<const __m128i *>(src + i)); + if (!_mm_testz_si128(srcVector, _mm256_castsi256_si128(alphaMask))) { + if (!_mm_testc_si128(srcVector, _mm256_castsi256_si128(alphaMask))) { + if (RGBA) + srcVector = _mm_shuffle_epi8(srcVector, _mm256_castsi256_si128(rgbaMask)); + __m128i src1 = _mm_unpacklo_epi8(srcVector, _mm256_castsi256_si128(zero)); + __m128i src2 = _mm_unpackhi_epi8(srcVector, _mm256_castsi256_si128(zero)); + __m128i alpha1 = _mm_shuffle_epi8(src1, _mm256_castsi256_si128(shuffleMask)); + __m128i alpha2 = _mm_shuffle_epi8(src2, _mm256_castsi256_si128(shuffleMask)); + src1 = _mm_mullo_epi16(src1, alpha1); + src2 = _mm_mullo_epi16(src2, alpha2); + src1 = _mm_add_epi16(src1, _mm_srli_epi16(src1, 8)); + src2 = _mm_add_epi16(src2, _mm_srli_epi16(src2, 8)); + src1 = _mm_add_epi16(src1, _mm256_castsi256_si128(half)); + src2 = _mm_add_epi16(src2, _mm256_castsi256_si128(half)); + src1 = _mm_srli_epi16(src1, 8); + src2 = _mm_srli_epi16(src2, 8); + src1 = _mm_blend_epi16(src1, alpha1, 0x88); + src2 = _mm_blend_epi16(src2, alpha2, 0x88); + _mm_storeu_si128(reinterpret_cast<__m128i *>(buffer + i), srcVector); + } else { + if (RGBA) + srcVector = _mm_shuffle_epi8(srcVector, _mm256_castsi256_si128(rgbaMask)); + if (buffer != src || RGBA) + _mm_storeu_si128(reinterpret_cast<__m128i *>(buffer + i), srcVector); + } + } else { + _mm_storeu_si128(reinterpret_cast<__m128i *>(buffer + i), _mm256_castsi256_si128(zero)); + } + i += 4; + } + + auto convert_half = [=](__m128i &srcVector) { + if (!_mm_testz_si128(srcVector, _mm256_castsi256_si128(alphaMask))) { + if (!_mm_testc_si128(srcVector, _mm256_castsi256_si128(alphaMask))) { + if (RGBA) + srcVector = _mm_shuffle_epi8(srcVector, _mm256_castsi256_si128(rgbaMask)); + __m128i src1 = _mm_unpacklo_epi8(srcVector, _mm256_castsi256_si128(zero)); + __m128i alpha1 = _mm_shuffle_epi8(src1, _mm256_castsi256_si128(shuffleMask)); + src1 = _mm_mullo_epi16(src1, alpha1); + src1 = _mm_add_epi16(src1, _mm_srli_epi16(src1, 8)); + src1 = _mm_add_epi16(src1, _mm256_castsi256_si128(half)); + src1 = _mm_srli_epi16(src1, 8); + src1 = _mm_blend_epi16(src1, alpha1, 0x88); + srcVector = _mm_packus_epi16(src1, src1); + return true; + } else { + if (RGBA) + srcVector = _mm_shuffle_epi8(srcVector, _mm256_castsi256_si128(rgbaMask)); + return buffer != src || RGBA; + } + } else { + srcVector = _mm256_castsi256_si128(zero); + return true; + } + }; + if (i < count - 1) { + __m128i srcVector = _mm_loadl_epi64(reinterpret_cast<const __m128i *>(src + i)); + if (convert_half(srcVector)) + _mm_storel_epi64(reinterpret_cast<__m128i *>(buffer + i), srcVector); + i += 2; + } + + if (i != count) { + __m128i srcVector = _mm_cvtsi32_si128(src[i]); + if (convert_half(srcVector)) + buffer[i] = _mm_cvtsi128_si32(srcVector); + } +} + +void QT_FASTCALL convertARGB32ToARGB32PM_avx2(uint *buffer, int count, const QVector<QRgb> *) +{ + convertARGBToARGB32PM_avx2<false>(buffer, buffer, count); +} + +void QT_FASTCALL convertRGBA8888ToARGB32PM_avx2(uint *buffer, int count, const QVector<QRgb> *) +{ + convertARGBToARGB32PM_avx2<true>(buffer, buffer, count); +} + +const uint *QT_FASTCALL fetchARGB32ToARGB32PM_avx2(uint *buffer, const uchar *src, int index, int count, + const QVector<QRgb> *, QDitherInfo *) +{ + convertARGBToARGB32PM_avx2<false>(buffer, reinterpret_cast<const uint *>(src) + index, count); + return buffer; +} + +const uint *QT_FASTCALL fetchRGBA8888ToARGB32PM_avx2(uint *buffer, const uchar *src, int index, int count, + const QVector<QRgb> *, QDitherInfo *) +{ + convertARGBToARGB32PM_avx2<true>(buffer, reinterpret_cast<const uint *>(src) + index, count); + return buffer; +} + +template<bool RGBA> static void convertARGBToRGBA64PM_avx2(QRgba64 *buffer, const uint *src, qsizetype count) { qsizetype i = 0; |