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Add NEON optimized versions where missing

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A few methods only had SSE2 versions, this adds NEON version the last
optimized QRgba64 methods.

Pick-to: 6.8
Change-Id: I61fc916183a08a7d3c41572af10ca92d73ef831a
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>
This commit is contained in:
Allan Sandfeld Jensen 2024-06-20 12:50:30 +02:00
parent 92de89a941
commit 9612547343
1 changed files with 21 additions and 2 deletions
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23
src/gui/painting/qrgba64_p.h
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@ -186,7 +186,14 @@ static inline QRgba64 addWithSaturation(QRgba64 a, QRgba64 b)
QRgba64 r;
_mm_storel_epi64(reinterpret_cast<__m128i *>(&r), vr);
return r;
#elif defined(__ARM_NEON__)
const uint16x4_t va = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&a)));
const uint16x4_t vb = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&b)));
QRgba64 r;
vst1_u64(reinterpret_cast<uint64_t *>(&r), vreinterpret_u64_u16(vqadd_u16(va, vb)));
return r;
#else
return QRgba64::fromRgba64(qMin(a.red() + b.red(), 65535),
qMin(a.green() + b.green(), 65535),
qMin(a.blue() + b.blue(), 65535),
@ -274,8 +281,7 @@ static inline QRgba64 rgbBlend(QRgba64 d, QRgba64 s, uint rgbAlpha)
uint16x4_t vs = vreinterpret_u16_u64(vmov_n_u64(s));
uint8x8_t va8 = vreinterpret_u8_u32(vmov_n_u32(ARGB2RGBA(rgbAlpha)));
uint16x4_t va = vreinterpret_u16_u8(vzip_u8(va8, va8).val[0]);
uint16x4_t vb = vdup_n_u16(0xffff);
vb = vsub_u16(vb, va);
uint16x4_t vb = veor_u16(vdup_n_u16(0xffff), va);
uint32x4_t vs32 = vmull_u16(vs, va);
uint32x4_t vd32 = vmull_u16(vd, vb);
@ -306,6 +312,12 @@ static inline void blend_pixel(QRgba64 &dst, QRgba64 src)
const __m128i via = _mm_xor_si128(_mm_set1_epi16(-1), _mm_shufflelo_epi16(vs, _MM_SHUFFLE(3, 3, 3, 3)));
const __m128i vr = _mm_add_epi16(vs, multiplyAlpha65535(vd, via));
_mm_storel_epi64(reinterpret_cast<__m128i *>(&dst), vr);
#elif defined(__ARM_NEON__)
const uint16x4_t vd = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&dst)));
const uint16x4_t vs = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&src)));
const uint16x4_t via = veor_u16(vdup_n_u16(0xffff), vdup_lane_u16(vs, 3));
const uint16x4_t vr = vadd_u16(vs, multiplyAlpha65535(vd, via));
vst1_u64(reinterpret_cast<uint64_t *>(&dst), vreinterpret_u64_u16(vr));
#else
dst = src + multiplyAlpha65535(dst, 65535 - src.alpha());
#endif
@ -324,6 +336,13 @@ static inline void blend_pixel(QRgba64 &dst, QRgba64 src, const int const_alpha)
const __m128i via = _mm_xor_si128(_mm_set1_epi16(-1), _mm_shufflelo_epi16(vs, _MM_SHUFFLE(3, 3, 3, 3)));
const __m128i vr = _mm_add_epi16(vs, multiplyAlpha65535(vd, via));
_mm_storel_epi64(reinterpret_cast<__m128i *>(&dst), vr);
#elif defined(__ARM_NEON__)
const uint16x4_t vd = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&dst)));
uint16x4_t vs = vreinterpret_u16_u64(vld1_u64(reinterpret_cast<const uint64_t *>(&src)));
vs = multiplyAlpha255(vs, const_alpha);
const uint16x4_t via = veor_u16(vdup_n_u16(0xffff), vdup_lane_u16(vs, 3));
const uint16x4_t vr = vadd_u16(vs, multiplyAlpha65535(vd, via));
vst1_u64(reinterpret_cast<uint64_t *>(&dst), vreinterpret_u64_u16(vr));
#else
src = multiplyAlpha255(src, const_alpha);
dst = src + multiplyAlpha65535(dst, 65535 - src.alpha());