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Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/arm/loopfilter_neon.c')
| -rw-r--r-- | media/libvpx/libvpx/vpx_dsp/arm/loopfilter_neon.c | 1107 |
1 files changed, 1107 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/arm/loopfilter_neon.c b/media/libvpx/libvpx/vpx_dsp/arm/loopfilter_neon.c new file mode 100644 index 0000000000..c54e588239 --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/arm/loopfilter_neon.c @@ -0,0 +1,1107 @@ +/* + * Copyright (c) 2016 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vpx_config.h" +#include "./vpx_dsp_rtcd.h" +#include "vpx_dsp/arm/transpose_neon.h" + +// For all the static inline functions, the functions ending with '_8' process +// 8 samples in a bunch, and the functions ending with '_16' process 16 samples +// in a bunch. + +#define FUN_LOAD_THRESH(w, r) \ + static INLINE void load_thresh_##w( \ + const uint8_t *blimit, const uint8_t *limit, const uint8_t *thresh, \ + uint8x##w##_t *blimit_vec, uint8x##w##_t *limit_vec, \ + uint8x##w##_t *thresh_vec) { \ + *blimit_vec = vld1##r##dup_u8(blimit); \ + *limit_vec = vld1##r##dup_u8(limit); \ + *thresh_vec = vld1##r##dup_u8(thresh); \ + } + +FUN_LOAD_THRESH(8, _) // load_thresh_8 +FUN_LOAD_THRESH(16, q_) // load_thresh_16 +#undef FUN_LOAD_THRESH + +static INLINE void load_thresh_8_dual( + const uint8_t *blimit0, const uint8_t *limit0, const uint8_t *thresh0, + const uint8_t *blimit1, const uint8_t *limit1, const uint8_t *thresh1, + uint8x16_t *blimit_vec, uint8x16_t *limit_vec, uint8x16_t *thresh_vec) { + *blimit_vec = vcombine_u8(vld1_dup_u8(blimit0), vld1_dup_u8(blimit1)); + *limit_vec = vcombine_u8(vld1_dup_u8(limit0), vld1_dup_u8(limit1)); + *thresh_vec = vcombine_u8(vld1_dup_u8(thresh0), vld1_dup_u8(thresh1)); +} + +// Here flat is 64-bit long, with each 8-bit (or 4-bit) chunk being a mask of a +// pixel. When used to control filter branches, we only detect whether it is all +// 0s or all 1s. We pairwise add flat to a 32-bit long number flat_status. +// flat equals 0 if and only if flat_status equals 0. +// flat equals -1 (all 1s) if and only if flat_status equals -2. (This is true +// because each mask occupies more than 1 bit.) +static INLINE uint32_t calc_flat_status_8(uint8x8_t flat) { + return vget_lane_u32( + vreinterpret_u32_u64(vpaddl_u32(vreinterpret_u32_u8(flat))), 0); +} + +// Here flat is 128-bit long, with each 8-bit chunk being a mask of a pixel. +// When used to control filter branches, we only detect whether it is all 0s or +// all 1s. We narrowing shift right each 16-bit chunk by 4 arithmetically, so +// we get a 64-bit long number, with each 4-bit chunk being a mask of a pixel. +// Then we pairwise add flat to a 32-bit long number flat_status. +// flat equals 0 if and only if flat_status equals 0. +// flat equals -1 (all 1s) if and only if flat_status equals -2. (This is true +// because each mask occupies more than 1 bit.) +static INLINE uint32_t calc_flat_status_16(uint8x16_t flat) { + const uint8x8_t flat_4bit = + vreinterpret_u8_s8(vshrn_n_s16(vreinterpretq_s16_u8(flat), 4)); + return calc_flat_status_8(flat_4bit); +} + +#define FUN_FILTER_HEV_MASK4(w, r) \ + static INLINE uint8x##w##_t filter_hev_mask4_##w( \ + const uint8x##w##_t limit, const uint8x##w##_t blimit, \ + const uint8x##w##_t thresh, const uint8x##w##_t p3, \ + const uint8x##w##_t p2, const uint8x##w##_t p1, const uint8x##w##_t p0, \ + const uint8x##w##_t q0, const uint8x##w##_t q1, const uint8x##w##_t q2, \ + const uint8x##w##_t q3, uint8x##w##_t *hev, uint8x##w##_t *mask) { \ + uint8x##w##_t max, t0, t1; \ + \ + max = vabd##r##u8(p1, p0); \ + max = vmax##r##u8(max, vabd##r##u8(q1, q0)); \ + *hev = vcgt##r##u8(max, thresh); \ + *mask = vmax##r##u8(max, vabd##r##u8(p3, p2)); \ + *mask = vmax##r##u8(*mask, vabd##r##u8(p2, p1)); \ + *mask = vmax##r##u8(*mask, vabd##r##u8(q2, q1)); \ + *mask = vmax##r##u8(*mask, vabd##r##u8(q3, q2)); \ + t0 = vabd##r##u8(p0, q0); \ + t1 = vabd##r##u8(p1, q1); \ + t0 = vqadd##r##u8(t0, t0); \ + t1 = vshr##r##n_u8(t1, 1); \ + t0 = vqadd##r##u8(t0, t1); \ + *mask = vcle##r##u8(*mask, limit); \ + t0 = vcle##r##u8(t0, blimit); \ + *mask = vand##r##u8(*mask, t0); \ + \ + return max; \ + } + +FUN_FILTER_HEV_MASK4(8, _) // filter_hev_mask4_8 +FUN_FILTER_HEV_MASK4(16, q_) // filter_hev_mask4_16 +#undef FUN_FILTER_HEV_MASK4 + +#define FUN_FILTER_FLAT_HEV_MASK(w, r) \ + static INLINE uint8x##w##_t filter_flat_hev_mask_##w( \ + const uint8x##w##_t limit, const uint8x##w##_t blimit, \ + const uint8x##w##_t thresh, const uint8x##w##_t p3, \ + const uint8x##w##_t p2, const uint8x##w##_t p1, const uint8x##w##_t p0, \ + const uint8x##w##_t q0, const uint8x##w##_t q1, const uint8x##w##_t q2, \ + const uint8x##w##_t q3, uint8x##w##_t *flat, uint32_t *flat_status, \ + uint8x##w##_t *hev) { \ + uint8x##w##_t max, mask; \ + \ + max = filter_hev_mask4_##w(limit, blimit, thresh, p3, p2, p1, p0, q0, q1, \ + q2, q3, hev, &mask); \ + *flat = vmax##r##u8(max, vabd##r##u8(p2, p0)); \ + *flat = vmax##r##u8(*flat, vabd##r##u8(q2, q0)); \ + *flat = vmax##r##u8(*flat, vabd##r##u8(p3, p0)); \ + *flat = vmax##r##u8(*flat, vabd##r##u8(q3, q0)); \ + *flat = vcle##r##u8(*flat, vdup##r##n_u8(1)); /* flat_mask4() */ \ + *flat = vand##r##u8(*flat, mask); \ + *flat_status = calc_flat_status_##w(*flat); \ + \ + return mask; \ + } + +FUN_FILTER_FLAT_HEV_MASK(8, _) // filter_flat_hev_mask_8 +FUN_FILTER_FLAT_HEV_MASK(16, q_) // filter_flat_hev_mask_16 +#undef FUN_FILTER_FLAT_HEV_MASK + +#define FUN_FLAT_MASK5(w, r) \ + static INLINE uint8x##w##_t flat_mask5_##w( \ + const uint8x##w##_t p4, const uint8x##w##_t p3, const uint8x##w##_t p2, \ + const uint8x##w##_t p1, const uint8x##w##_t p0, const uint8x##w##_t q0, \ + const uint8x##w##_t q1, const uint8x##w##_t q2, const uint8x##w##_t q3, \ + const uint8x##w##_t q4, const uint8x##w##_t flat, \ + uint32_t *flat2_status) { \ + uint8x##w##_t flat2 = vabd##r##u8(p4, p0); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(p3, p0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(p2, p0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(p1, p0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(q1, q0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(q2, q0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(q3, q0)); \ + flat2 = vmax##r##u8(flat2, vabd##r##u8(q4, q0)); \ + flat2 = vcle##r##u8(flat2, vdup##r##n_u8(1)); \ + flat2 = vand##r##u8(flat2, flat); \ + *flat2_status = calc_flat_status_##w(flat2); \ + \ + return flat2; \ + } + +FUN_FLAT_MASK5(8, _) // flat_mask5_8 +FUN_FLAT_MASK5(16, q_) // flat_mask5_16 +#undef FUN_FLAT_MASK5 + +#define FUN_FLIP_SIGN(w, r) \ + static INLINE int8x##w##_t flip_sign_##w(const uint8x##w##_t v) { \ + const uint8x##w##_t sign_bit = vdup##r##n_u8(0x80); \ + return vreinterpret##r##s8_u8(veor##r##u8(v, sign_bit)); \ + } + +FUN_FLIP_SIGN(8, _) // flip_sign_8 +FUN_FLIP_SIGN(16, q_) // flip_sign_16 +#undef FUN_FLIP_SIGN + +#define FUN_FLIP_SIGN_BACK(w, r) \ + static INLINE uint8x##w##_t flip_sign_back_##w(const int8x##w##_t v) { \ + const int8x##w##_t sign_bit = vdup##r##n_s8(0x80); \ + return vreinterpret##r##u8_s8(veor##r##s8(v, sign_bit)); \ + } + +FUN_FLIP_SIGN_BACK(8, _) // flip_sign_back_8 +FUN_FLIP_SIGN_BACK(16, q_) // flip_sign_back_16 +#undef FUN_FLIP_SIGN_BACK + +static INLINE void filter_update_8(const uint8x8_t sub0, const uint8x8_t sub1, + const uint8x8_t add0, const uint8x8_t add1, + uint16x8_t *sum) { + *sum = vsubw_u8(*sum, sub0); + *sum = vsubw_u8(*sum, sub1); + *sum = vaddw_u8(*sum, add0); + *sum = vaddw_u8(*sum, add1); +} + +static INLINE void filter_update_16(const uint8x16_t sub0, + const uint8x16_t sub1, + const uint8x16_t add0, + const uint8x16_t add1, uint16x8_t *sum0, + uint16x8_t *sum1) { + *sum0 = vsubw_u8(*sum0, vget_low_u8(sub0)); + *sum1 = vsubw_u8(*sum1, vget_high_u8(sub0)); + *sum0 = vsubw_u8(*sum0, vget_low_u8(sub1)); + *sum1 = vsubw_u8(*sum1, vget_high_u8(sub1)); + *sum0 = vaddw_u8(*sum0, vget_low_u8(add0)); + *sum1 = vaddw_u8(*sum1, vget_high_u8(add0)); + *sum0 = vaddw_u8(*sum0, vget_low_u8(add1)); + *sum1 = vaddw_u8(*sum1, vget_high_u8(add1)); +} + +static INLINE uint8x8_t calc_7_tap_filter_8_kernel(const uint8x8_t sub0, + const uint8x8_t sub1, + const uint8x8_t add0, + const uint8x8_t add1, + uint16x8_t *sum) { + filter_update_8(sub0, sub1, add0, add1, sum); + return vrshrn_n_u16(*sum, 3); +} + +static INLINE uint8x16_t calc_7_tap_filter_16_kernel( + const uint8x16_t sub0, const uint8x16_t sub1, const uint8x16_t add0, + const uint8x16_t add1, uint16x8_t *sum0, uint16x8_t *sum1) { + filter_update_16(sub0, sub1, add0, add1, sum0, sum1); + return vcombine_u8(vrshrn_n_u16(*sum0, 3), vrshrn_n_u16(*sum1, 3)); +} + +static INLINE uint8x8_t apply_15_tap_filter_8_kernel( + const uint8x8_t flat, const uint8x8_t sub0, const uint8x8_t sub1, + const uint8x8_t add0, const uint8x8_t add1, const uint8x8_t in, + uint16x8_t *sum) { + filter_update_8(sub0, sub1, add0, add1, sum); + return vbsl_u8(flat, vrshrn_n_u16(*sum, 4), in); +} + +static INLINE uint8x16_t apply_15_tap_filter_16_kernel( + const uint8x16_t flat, const uint8x16_t sub0, const uint8x16_t sub1, + const uint8x16_t add0, const uint8x16_t add1, const uint8x16_t in, + uint16x8_t *sum0, uint16x8_t *sum1) { + uint8x16_t t; + filter_update_16(sub0, sub1, add0, add1, sum0, sum1); + t = vcombine_u8(vrshrn_n_u16(*sum0, 4), vrshrn_n_u16(*sum1, 4)); + return vbslq_u8(flat, t, in); +} + +// 7-tap filter [1, 1, 1, 2, 1, 1, 1] +static INLINE void calc_7_tap_filter_8(const uint8x8_t p3, const uint8x8_t p2, + const uint8x8_t p1, const uint8x8_t p0, + const uint8x8_t q0, const uint8x8_t q1, + const uint8x8_t q2, const uint8x8_t q3, + uint8x8_t *op2, uint8x8_t *op1, + uint8x8_t *op0, uint8x8_t *oq0, + uint8x8_t *oq1, uint8x8_t *oq2) { + uint16x8_t sum; + sum = vaddl_u8(p3, p3); // 2*p3 + sum = vaddw_u8(sum, p3); // 3*p3 + sum = vaddw_u8(sum, p2); // 3*p3+p2 + sum = vaddw_u8(sum, p2); // 3*p3+2*p2 + sum = vaddw_u8(sum, p1); // 3*p3+2*p2+p1 + sum = vaddw_u8(sum, p0); // 3*p3+2*p2+p1+p0 + sum = vaddw_u8(sum, q0); // 3*p3+2*p2+p1+p0+q0 + *op2 = vrshrn_n_u16(sum, 3); + *op1 = calc_7_tap_filter_8_kernel(p3, p2, p1, q1, &sum); + *op0 = calc_7_tap_filter_8_kernel(p3, p1, p0, q2, &sum); + *oq0 = calc_7_tap_filter_8_kernel(p3, p0, q0, q3, &sum); + *oq1 = calc_7_tap_filter_8_kernel(p2, q0, q1, q3, &sum); + *oq2 = calc_7_tap_filter_8_kernel(p1, q1, q2, q3, &sum); +} + +static INLINE void calc_7_tap_filter_16( + const uint8x16_t p3, const uint8x16_t p2, const uint8x16_t p1, + const uint8x16_t p0, const uint8x16_t q0, const uint8x16_t q1, + const uint8x16_t q2, const uint8x16_t q3, uint8x16_t *op2, uint8x16_t *op1, + uint8x16_t *op0, uint8x16_t *oq0, uint8x16_t *oq1, uint8x16_t *oq2) { + uint16x8_t sum0, sum1; + sum0 = vaddl_u8(vget_low_u8(p3), vget_low_u8(p3)); // 2*p3 + sum1 = vaddl_u8(vget_high_u8(p3), vget_high_u8(p3)); // 2*p3 + sum0 = vaddw_u8(sum0, vget_low_u8(p3)); // 3*p3 + sum1 = vaddw_u8(sum1, vget_high_u8(p3)); // 3*p3 + sum0 = vaddw_u8(sum0, vget_low_u8(p2)); // 3*p3+p2 + sum1 = vaddw_u8(sum1, vget_high_u8(p2)); // 3*p3+p2 + sum0 = vaddw_u8(sum0, vget_low_u8(p2)); // 3*p3+2*p2 + sum1 = vaddw_u8(sum1, vget_high_u8(p2)); // 3*p3+2*p2 + sum0 = vaddw_u8(sum0, vget_low_u8(p1)); // 3*p3+2*p2+p1 + sum1 = vaddw_u8(sum1, vget_high_u8(p1)); // 3*p3+2*p2+p1 + sum0 = vaddw_u8(sum0, vget_low_u8(p0)); // 3*p3+2*p2+p1+p0 + sum1 = vaddw_u8(sum1, vget_high_u8(p0)); // 3*p3+2*p2+p1+p0 + sum0 = vaddw_u8(sum0, vget_low_u8(q0)); // 3*p3+2*p2+p1+p0+q0 + sum1 = vaddw_u8(sum1, vget_high_u8(q0)); // 3*p3+2*p2+p1+p0+q0 + *op2 = vcombine_u8(vrshrn_n_u16(sum0, 3), vrshrn_n_u16(sum1, 3)); + *op1 = calc_7_tap_filter_16_kernel(p3, p2, p1, q1, &sum0, &sum1); + *op0 = calc_7_tap_filter_16_kernel(p3, p1, p0, q2, &sum0, &sum1); + *oq0 = calc_7_tap_filter_16_kernel(p3, p0, q0, q3, &sum0, &sum1); + *oq1 = calc_7_tap_filter_16_kernel(p2, q0, q1, q3, &sum0, &sum1); + *oq2 = calc_7_tap_filter_16_kernel(p1, q1, q2, q3, &sum0, &sum1); +} + +#define FUN_APPLY_7_TAP_FILTER(w, r) \ + static INLINE void apply_7_tap_filter_##w( \ + const uint8x##w##_t flat, const uint8x##w##_t p3, \ + const uint8x##w##_t p2, const uint8x##w##_t p1, const uint8x##w##_t p0, \ + const uint8x##w##_t q0, const uint8x##w##_t q1, const uint8x##w##_t q2, \ + const uint8x##w##_t q3, uint8x##w##_t *op2, uint8x##w##_t *op1, \ + uint8x##w##_t *op0, uint8x##w##_t *oq0, uint8x##w##_t *oq1, \ + uint8x##w##_t *oq2) { \ + uint8x##w##_t tp1, tp0, tq0, tq1; \ + calc_7_tap_filter_##w(p3, p2, p1, p0, q0, q1, q2, q3, op2, &tp1, &tp0, \ + &tq0, &tq1, oq2); \ + *op2 = vbsl##r##u8(flat, *op2, p2); \ + *op1 = vbsl##r##u8(flat, tp1, *op1); \ + *op0 = vbsl##r##u8(flat, tp0, *op0); \ + *oq0 = vbsl##r##u8(flat, tq0, *oq0); \ + *oq1 = vbsl##r##u8(flat, tq1, *oq1); \ + *oq2 = vbsl##r##u8(flat, *oq2, q2); \ + } + +FUN_APPLY_7_TAP_FILTER(8, _) // apply_7_tap_filter_8 +FUN_APPLY_7_TAP_FILTER(16, q_) // apply_7_tap_filter_16 +#undef FUN_APPLY_7_TAP_FILTER + +// 15-tap filter [1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1] +static INLINE void apply_15_tap_filter_8( + const uint8x8_t flat2, const uint8x8_t p7, const uint8x8_t p6, + const uint8x8_t p5, const uint8x8_t p4, const uint8x8_t p3, + const uint8x8_t p2, const uint8x8_t p1, const uint8x8_t p0, + const uint8x8_t q0, const uint8x8_t q1, const uint8x8_t q2, + const uint8x8_t q3, const uint8x8_t q4, const uint8x8_t q5, + const uint8x8_t q6, const uint8x8_t q7, uint8x8_t *op6, uint8x8_t *op5, + uint8x8_t *op4, uint8x8_t *op3, uint8x8_t *op2, uint8x8_t *op1, + uint8x8_t *op0, uint8x8_t *oq0, uint8x8_t *oq1, uint8x8_t *oq2, + uint8x8_t *oq3, uint8x8_t *oq4, uint8x8_t *oq5, uint8x8_t *oq6) { + uint16x8_t sum; + sum = vshll_n_u8(p7, 3); // 8*p7 + sum = vsubw_u8(sum, p7); // 7*p7 + sum = vaddw_u8(sum, p6); // 7*p7+p6 + sum = vaddw_u8(sum, p6); // 7*p7+2*p6 + sum = vaddw_u8(sum, p5); // 7*p7+2*p6+p5 + sum = vaddw_u8(sum, p4); // 7*p7+2*p6+p5+p4 + sum = vaddw_u8(sum, p3); // 7*p7+2*p6+p5+p4+p3 + sum = vaddw_u8(sum, p2); // 7*p7+2*p6+p5+p4+p3+p2 + sum = vaddw_u8(sum, p1); // 7*p7+2*p6+p5+p4+p3+p2+p1 + sum = vaddw_u8(sum, p0); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0 + sum = vaddw_u8(sum, q0); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0+q0 + *op6 = vbsl_u8(flat2, vrshrn_n_u16(sum, 4), p6); + *op5 = apply_15_tap_filter_8_kernel(flat2, p7, p6, p5, q1, p5, &sum); + *op4 = apply_15_tap_filter_8_kernel(flat2, p7, p5, p4, q2, p4, &sum); + *op3 = apply_15_tap_filter_8_kernel(flat2, p7, p4, p3, q3, p3, &sum); + *op2 = apply_15_tap_filter_8_kernel(flat2, p7, p3, p2, q4, *op2, &sum); + *op1 = apply_15_tap_filter_8_kernel(flat2, p7, p2, p1, q5, *op1, &sum); + *op0 = apply_15_tap_filter_8_kernel(flat2, p7, p1, p0, q6, *op0, &sum); + *oq0 = apply_15_tap_filter_8_kernel(flat2, p7, p0, q0, q7, *oq0, &sum); + *oq1 = apply_15_tap_filter_8_kernel(flat2, p6, q0, q1, q7, *oq1, &sum); + *oq2 = apply_15_tap_filter_8_kernel(flat2, p5, q1, q2, q7, *oq2, &sum); + *oq3 = apply_15_tap_filter_8_kernel(flat2, p4, q2, q3, q7, q3, &sum); + *oq4 = apply_15_tap_filter_8_kernel(flat2, p3, q3, q4, q7, q4, &sum); + *oq5 = apply_15_tap_filter_8_kernel(flat2, p2, q4, q5, q7, q5, &sum); + *oq6 = apply_15_tap_filter_8_kernel(flat2, p1, q5, q6, q7, q6, &sum); +} + +static INLINE void apply_15_tap_filter_16( + const uint8x16_t flat2, const uint8x16_t p7, const uint8x16_t p6, + const uint8x16_t p5, const uint8x16_t p4, const uint8x16_t p3, + const uint8x16_t p2, const uint8x16_t p1, const uint8x16_t p0, + const uint8x16_t q0, const uint8x16_t q1, const uint8x16_t q2, + const uint8x16_t q3, const uint8x16_t q4, const uint8x16_t q5, + const uint8x16_t q6, const uint8x16_t q7, uint8x16_t *op6, uint8x16_t *op5, + uint8x16_t *op4, uint8x16_t *op3, uint8x16_t *op2, uint8x16_t *op1, + uint8x16_t *op0, uint8x16_t *oq0, uint8x16_t *oq1, uint8x16_t *oq2, + uint8x16_t *oq3, uint8x16_t *oq4, uint8x16_t *oq5, uint8x16_t *oq6) { + uint16x8_t sum0, sum1; + uint8x16_t t; + sum0 = vshll_n_u8(vget_low_u8(p7), 3); // 8*p7 + sum1 = vshll_n_u8(vget_high_u8(p7), 3); // 8*p7 + sum0 = vsubw_u8(sum0, vget_low_u8(p7)); // 7*p7 + sum1 = vsubw_u8(sum1, vget_high_u8(p7)); // 7*p7 + sum0 = vaddw_u8(sum0, vget_low_u8(p6)); // 7*p7+p6 + sum1 = vaddw_u8(sum1, vget_high_u8(p6)); // 7*p7+p6 + sum0 = vaddw_u8(sum0, vget_low_u8(p6)); // 7*p7+2*p6 + sum1 = vaddw_u8(sum1, vget_high_u8(p6)); // 7*p7+2*p6 + sum0 = vaddw_u8(sum0, vget_low_u8(p5)); // 7*p7+2*p6+p5 + sum1 = vaddw_u8(sum1, vget_high_u8(p5)); // 7*p7+2*p6+p5 + sum0 = vaddw_u8(sum0, vget_low_u8(p4)); // 7*p7+2*p6+p5+p4 + sum1 = vaddw_u8(sum1, vget_high_u8(p4)); // 7*p7+2*p6+p5+p4 + sum0 = vaddw_u8(sum0, vget_low_u8(p3)); // 7*p7+2*p6+p5+p4+p3 + sum1 = vaddw_u8(sum1, vget_high_u8(p3)); // 7*p7+2*p6+p5+p4+p3 + sum0 = vaddw_u8(sum0, vget_low_u8(p2)); // 7*p7+2*p6+p5+p4+p3+p2 + sum1 = vaddw_u8(sum1, vget_high_u8(p2)); // 7*p7+2*p6+p5+p4+p3+p2 + sum0 = vaddw_u8(sum0, vget_low_u8(p1)); // 7*p7+2*p6+p5+p4+p3+p2+p1 + sum1 = vaddw_u8(sum1, vget_high_u8(p1)); // 7*p7+2*p6+p5+p4+p3+p2+p1 + sum0 = vaddw_u8(sum0, vget_low_u8(p0)); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0 + sum1 = vaddw_u8(sum1, vget_high_u8(p0)); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0 + sum0 = vaddw_u8(sum0, vget_low_u8(q0)); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0+q0 + sum1 = vaddw_u8(sum1, vget_high_u8(q0)); // 7*p7+2*p6+p5+p4+p3+p2+p1+p0+q0 + t = vcombine_u8(vrshrn_n_u16(sum0, 4), vrshrn_n_u16(sum1, 4)); + *op6 = vbslq_u8(flat2, t, p6); + *op5 = apply_15_tap_filter_16_kernel(flat2, p7, p6, p5, q1, p5, &sum0, &sum1); + *op4 = apply_15_tap_filter_16_kernel(flat2, p7, p5, p4, q2, p4, &sum0, &sum1); + *op3 = apply_15_tap_filter_16_kernel(flat2, p7, p4, p3, q3, p3, &sum0, &sum1); + *op2 = + apply_15_tap_filter_16_kernel(flat2, p7, p3, p2, q4, *op2, &sum0, &sum1); + *op1 = + apply_15_tap_filter_16_kernel(flat2, p7, p2, p1, q5, *op1, &sum0, &sum1); + *op0 = + apply_15_tap_filter_16_kernel(flat2, p7, p1, p0, q6, *op0, &sum0, &sum1); + *oq0 = + apply_15_tap_filter_16_kernel(flat2, p7, p0, q0, q7, *oq0, &sum0, &sum1); + *oq1 = + apply_15_tap_filter_16_kernel(flat2, p6, q0, q1, q7, *oq1, &sum0, &sum1); + *oq2 = + apply_15_tap_filter_16_kernel(flat2, p5, q1, q2, q7, *oq2, &sum0, &sum1); + *oq3 = apply_15_tap_filter_16_kernel(flat2, p4, q2, q3, q7, q3, &sum0, &sum1); + *oq4 = apply_15_tap_filter_16_kernel(flat2, p3, q3, q4, q7, q4, &sum0, &sum1); + *oq5 = apply_15_tap_filter_16_kernel(flat2, p2, q4, q5, q7, q5, &sum0, &sum1); + *oq6 = apply_15_tap_filter_16_kernel(flat2, p1, q5, q6, q7, q6, &sum0, &sum1); +} + +#define FUN_FILTER4(w, r) \ + static INLINE void filter4_##w( \ + const uint8x##w##_t mask, const uint8x##w##_t hev, \ + const uint8x##w##_t p1, const uint8x##w##_t p0, const uint8x##w##_t q0, \ + const uint8x##w##_t q1, uint8x##w##_t *op1, uint8x##w##_t *op0, \ + uint8x##w##_t *oq0, uint8x##w##_t *oq1) { \ + int8x##w##_t filter, filter1, filter2, t; \ + int8x##w##_t ps1 = flip_sign_##w(p1); \ + int8x##w##_t ps0 = flip_sign_##w(p0); \ + int8x##w##_t qs0 = flip_sign_##w(q0); \ + int8x##w##_t qs1 = flip_sign_##w(q1); \ + \ + /* add outer taps if we have high edge variance */ \ + filter = vqsub##r##s8(ps1, qs1); \ + filter = vand##r##s8(filter, vreinterpret##r##s8_u8(hev)); \ + t = vqsub##r##s8(qs0, ps0); \ + \ + /* inner taps */ \ + filter = vqadd##r##s8(filter, t); \ + filter = vqadd##r##s8(filter, t); \ + filter = vqadd##r##s8(filter, t); \ + filter = vand##r##s8(filter, vreinterpret##r##s8_u8(mask)); \ + \ + /* save bottom 3 bits so that we round one side +4 and the other +3 */ \ + /* if it equals 4 we'll set it to adjust by -1 to account for the fact */ \ + /* we'd round it by 3 the other way */ \ + filter1 = vshr##r##n_s8(vqadd##r##s8(filter, vdup##r##n_s8(4)), 3); \ + filter2 = vshr##r##n_s8(vqadd##r##s8(filter, vdup##r##n_s8(3)), 3); \ + \ + qs0 = vqsub##r##s8(qs0, filter1); \ + ps0 = vqadd##r##s8(ps0, filter2); \ + *oq0 = flip_sign_back_##w(qs0); \ + *op0 = flip_sign_back_##w(ps0); \ + \ + /* outer tap adjustments */ \ + filter = vrshr##r##n_s8(filter1, 1); \ + filter = vbic##r##s8(filter, vreinterpret##r##s8_u8(hev)); \ + \ + qs1 = vqsub##r##s8(qs1, filter); \ + ps1 = vqadd##r##s8(ps1, filter); \ + *oq1 = flip_sign_back_##w(qs1); \ + *op1 = flip_sign_back_##w(ps1); \ + } + +FUN_FILTER4(8, _) // filter4_8 +FUN_FILTER4(16, q_) // filter4_16 +#undef FUN_FILTER4 + +#define FUN_FILTER8(w) \ + static INLINE void filter8_##w( \ + const uint8x##w##_t mask, const uint8x##w##_t flat, \ + const uint32_t flat_status, const uint8x##w##_t hev, \ + const uint8x##w##_t p3, const uint8x##w##_t p2, const uint8x##w##_t p1, \ + const uint8x##w##_t p0, const uint8x##w##_t q0, const uint8x##w##_t q1, \ + const uint8x##w##_t q2, const uint8x##w##_t q3, uint8x##w##_t *op2, \ + uint8x##w##_t *op1, uint8x##w##_t *op0, uint8x##w##_t *oq0, \ + uint8x##w##_t *oq1, uint8x##w##_t *oq2) { \ + if (flat_status != (uint32_t)-2) { \ + filter4_##w(mask, hev, p1, p0, q0, q1, op1, op0, oq0, oq1); \ + *op2 = p2; \ + *oq2 = q2; \ + if (flat_status) { \ + apply_7_tap_filter_##w(flat, p3, p2, p1, p0, q0, q1, q2, q3, op2, op1, \ + op0, oq0, oq1, oq2); \ + } \ + } else { \ + calc_7_tap_filter_##w(p3, p2, p1, p0, q0, q1, q2, q3, op2, op1, op0, \ + oq0, oq1, oq2); \ + } \ + } + +FUN_FILTER8(8) // filter8_8 +FUN_FILTER8(16) // filter8_16 +#undef FUN_FILTER8 + +#define FUN_FILTER16(w) \ + static INLINE void filter16_##w( \ + const uint8x##w##_t mask, const uint8x##w##_t flat, \ + const uint32_t flat_status, const uint8x##w##_t flat2, \ + const uint32_t flat2_status, const uint8x##w##_t hev, \ + const uint8x##w##_t p7, const uint8x##w##_t p6, const uint8x##w##_t p5, \ + const uint8x##w##_t p4, const uint8x##w##_t p3, const uint8x##w##_t p2, \ + const uint8x##w##_t p1, const uint8x##w##_t p0, const uint8x##w##_t q0, \ + const uint8x##w##_t q1, const uint8x##w##_t q2, const uint8x##w##_t q3, \ + const uint8x##w##_t q4, const uint8x##w##_t q5, const uint8x##w##_t q6, \ + const uint8x##w##_t q7, uint8x##w##_t *op6, uint8x##w##_t *op5, \ + uint8x##w##_t *op4, uint8x##w##_t *op3, uint8x##w##_t *op2, \ + uint8x##w##_t *op1, uint8x##w##_t *op0, uint8x##w##_t *oq0, \ + uint8x##w##_t *oq1, uint8x##w##_t *oq2, uint8x##w##_t *oq3, \ + uint8x##w##_t *oq4, uint8x##w##_t *oq5, uint8x##w##_t *oq6) { \ + if (flat_status != (uint32_t)-2) { \ + filter4_##w(mask, hev, p1, p0, q0, q1, op1, op0, oq0, oq1); \ + } \ + \ + if (flat_status) { \ + *op2 = p2; \ + *oq2 = q2; \ + if (flat2_status != (uint32_t)-2) { \ + apply_7_tap_filter_##w(flat, p3, p2, p1, p0, q0, q1, q2, q3, op2, op1, \ + op0, oq0, oq1, oq2); \ + } \ + if (flat2_status) { \ + apply_15_tap_filter_##w(flat2, p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, \ + q2, q3, q4, q5, q6, q7, op6, op5, op4, op3, \ + op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, \ + oq6); \ + } \ + } \ + } + +FUN_FILTER16(8) // filter16_8 +FUN_FILTER16(16) // filter16_16 +#undef FUN_FILTER16 + +#define FUN_LOAD8(w, r) \ + static INLINE void load_##w##x8( \ + const uint8_t *s, const int p, uint8x##w##_t *p3, uint8x##w##_t *p2, \ + uint8x##w##_t *p1, uint8x##w##_t *p0, uint8x##w##_t *q0, \ + uint8x##w##_t *q1, uint8x##w##_t *q2, uint8x##w##_t *q3) { \ + *p3 = vld1##r##u8(s); \ + s += p; \ + *p2 = vld1##r##u8(s); \ + s += p; \ + *p1 = vld1##r##u8(s); \ + s += p; \ + *p0 = vld1##r##u8(s); \ + s += p; \ + *q0 = vld1##r##u8(s); \ + s += p; \ + *q1 = vld1##r##u8(s); \ + s += p; \ + *q2 = vld1##r##u8(s); \ + s += p; \ + *q3 = vld1##r##u8(s); \ + } + +FUN_LOAD8(8, _) // load_8x8 +FUN_LOAD8(16, q_) // load_16x8 +#undef FUN_LOAD8 + +#define FUN_LOAD16(w, r) \ + static INLINE void load_##w##x16( \ + const uint8_t *s, const int p, uint8x##w##_t *s0, uint8x##w##_t *s1, \ + uint8x##w##_t *s2, uint8x##w##_t *s3, uint8x##w##_t *s4, \ + uint8x##w##_t *s5, uint8x##w##_t *s6, uint8x##w##_t *s7, \ + uint8x##w##_t *s8, uint8x##w##_t *s9, uint8x##w##_t *s10, \ + uint8x##w##_t *s11, uint8x##w##_t *s12, uint8x##w##_t *s13, \ + uint8x##w##_t *s14, uint8x##w##_t *s15) { \ + *s0 = vld1##r##u8(s); \ + s += p; \ + *s1 = vld1##r##u8(s); \ + s += p; \ + *s2 = vld1##r##u8(s); \ + s += p; \ + *s3 = vld1##r##u8(s); \ + s += p; \ + *s4 = vld1##r##u8(s); \ + s += p; \ + *s5 = vld1##r##u8(s); \ + s += p; \ + *s6 = vld1##r##u8(s); \ + s += p; \ + *s7 = vld1##r##u8(s); \ + s += p; \ + *s8 = vld1##r##u8(s); \ + s += p; \ + *s9 = vld1##r##u8(s); \ + s += p; \ + *s10 = vld1##r##u8(s); \ + s += p; \ + *s11 = vld1##r##u8(s); \ + s += p; \ + *s12 = vld1##r##u8(s); \ + s += p; \ + *s13 = vld1##r##u8(s); \ + s += p; \ + *s14 = vld1##r##u8(s); \ + s += p; \ + *s15 = vld1##r##u8(s); \ + } + +FUN_LOAD16(8, _) // load_8x16 +FUN_LOAD16(16, q_) // load_16x16 +#undef FUN_LOAD16 + +#define FUN_STORE4(w, r) \ + static INLINE void store_##w##x4( \ + uint8_t *s, const int p, const uint8x##w##_t s0, const uint8x##w##_t s1, \ + const uint8x##w##_t s2, const uint8x##w##_t s3) { \ + vst1##r##u8(s, s0); \ + s += p; \ + vst1##r##u8(s, s1); \ + s += p; \ + vst1##r##u8(s, s2); \ + s += p; \ + vst1##r##u8(s, s3); \ + } + +FUN_STORE4(8, _) // store_8x4 +FUN_STORE4(16, q_) // store_16x4 +#undef FUN_STORE4 + +#define FUN_STORE6(w, r) \ + static INLINE void store_##w##x6( \ + uint8_t *s, const int p, const uint8x##w##_t s0, const uint8x##w##_t s1, \ + const uint8x##w##_t s2, const uint8x##w##_t s3, const uint8x##w##_t s4, \ + const uint8x##w##_t s5) { \ + vst1##r##u8(s, s0); \ + s += p; \ + vst1##r##u8(s, s1); \ + s += p; \ + vst1##r##u8(s, s2); \ + s += p; \ + vst1##r##u8(s, s3); \ + s += p; \ + vst1##r##u8(s, s4); \ + s += p; \ + vst1##r##u8(s, s5); \ + } + +FUN_STORE6(8, _) // store_8x6 +FUN_STORE6(16, q_) // store_16x6 +#undef FUN_STORE6 + +static INLINE void store_4x8(uint8_t *s, const int p, const uint8x8_t p1, + const uint8x8_t p0, const uint8x8_t q0, + const uint8x8_t q1) { + uint8x8x4_t o; + + o.val[0] = p1; + o.val[1] = p0; + o.val[2] = q0; + o.val[3] = q1; + vst4_lane_u8(s, o, 0); + s += p; + vst4_lane_u8(s, o, 1); + s += p; + vst4_lane_u8(s, o, 2); + s += p; + vst4_lane_u8(s, o, 3); + s += p; + vst4_lane_u8(s, o, 4); + s += p; + vst4_lane_u8(s, o, 5); + s += p; + vst4_lane_u8(s, o, 6); + s += p; + vst4_lane_u8(s, o, 7); +} + +static INLINE void store_6x8(uint8_t *s, const int p, const uint8x8_t s0, + const uint8x8_t s1, const uint8x8_t s2, + const uint8x8_t s3, const uint8x8_t s4, + const uint8x8_t s5) { + uint8x8x3_t o0, o1; + + o0.val[0] = s0; + o0.val[1] = s1; + o0.val[2] = s2; + o1.val[0] = s3; + o1.val[1] = s4; + o1.val[2] = s5; + vst3_lane_u8(s - 3, o0, 0); + vst3_lane_u8(s + 0, o1, 0); + s += p; + vst3_lane_u8(s - 3, o0, 1); + vst3_lane_u8(s + 0, o1, 1); + s += p; + vst3_lane_u8(s - 3, o0, 2); + vst3_lane_u8(s + 0, o1, 2); + s += p; + vst3_lane_u8(s - 3, o0, 3); + vst3_lane_u8(s + 0, o1, 3); + s += p; + vst3_lane_u8(s - 3, o0, 4); + vst3_lane_u8(s + 0, o1, 4); + s += p; + vst3_lane_u8(s - 3, o0, 5); + vst3_lane_u8(s + 0, o1, 5); + s += p; + vst3_lane_u8(s - 3, o0, 6); + vst3_lane_u8(s + 0, o1, 6); + s += p; + vst3_lane_u8(s - 3, o0, 7); + vst3_lane_u8(s + 0, o1, 7); +} + +#define FUN_STORE8(w, r) \ + static INLINE void store_##w##x8( \ + uint8_t *s, const int p, const uint8x##w##_t s0, const uint8x##w##_t s1, \ + const uint8x##w##_t s2, const uint8x##w##_t s3, const uint8x##w##_t s4, \ + const uint8x##w##_t s5, const uint8x##w##_t s6, \ + const uint8x##w##_t s7) { \ + vst1##r##u8(s, s0); \ + s += p; \ + vst1##r##u8(s, s1); \ + s += p; \ + vst1##r##u8(s, s2); \ + s += p; \ + vst1##r##u8(s, s3); \ + s += p; \ + vst1##r##u8(s, s4); \ + s += p; \ + vst1##r##u8(s, s5); \ + s += p; \ + vst1##r##u8(s, s6); \ + s += p; \ + vst1##r##u8(s, s7); \ + } + +FUN_STORE8(8, _) // store_8x8 +FUN_STORE8(16, q_) // store_16x8 +#undef FUN_STORE8 + +#define FUN_STORE14(w, r) \ + static INLINE void store_##w##x14( \ + uint8_t *s, const int p, const uint8x##w##_t p6, const uint8x##w##_t p5, \ + const uint8x##w##_t p4, const uint8x##w##_t p3, const uint8x##w##_t p2, \ + const uint8x##w##_t p1, const uint8x##w##_t p0, const uint8x##w##_t q0, \ + const uint8x##w##_t q1, const uint8x##w##_t q2, const uint8x##w##_t q3, \ + const uint8x##w##_t q4, const uint8x##w##_t q5, const uint8x##w##_t q6, \ + const uint32_t flat_status, const uint32_t flat2_status) { \ + if (flat_status) { \ + if (flat2_status) { \ + vst1##r##u8(s - 7 * p, p6); \ + vst1##r##u8(s - 6 * p, p5); \ + vst1##r##u8(s - 5 * p, p4); \ + vst1##r##u8(s - 4 * p, p3); \ + vst1##r##u8(s + 3 * p, q3); \ + vst1##r##u8(s + 4 * p, q4); \ + vst1##r##u8(s + 5 * p, q5); \ + vst1##r##u8(s + 6 * p, q6); \ + } \ + vst1##r##u8(s - 3 * p, p2); \ + vst1##r##u8(s + 2 * p, q2); \ + } \ + vst1##r##u8(s - 2 * p, p1); \ + vst1##r##u8(s - 1 * p, p0); \ + vst1##r##u8(s + 0 * p, q0); \ + vst1##r##u8(s + 1 * p, q1); \ + } + +FUN_STORE14(8, _) // store_8x14 +FUN_STORE14(16, q_) // store_16x14 +#undef FUN_STORE14 + +static INLINE void store_16x16(uint8_t *s, const int p, const uint8x16_t s0, + const uint8x16_t s1, const uint8x16_t s2, + const uint8x16_t s3, const uint8x16_t s4, + const uint8x16_t s5, const uint8x16_t s6, + const uint8x16_t s7, const uint8x16_t s8, + const uint8x16_t s9, const uint8x16_t s10, + const uint8x16_t s11, const uint8x16_t s12, + const uint8x16_t s13, const uint8x16_t s14, + const uint8x16_t s15) { + vst1q_u8(s, s0); + s += p; + vst1q_u8(s, s1); + s += p; + vst1q_u8(s, s2); + s += p; + vst1q_u8(s, s3); + s += p; + vst1q_u8(s, s4); + s += p; + vst1q_u8(s, s5); + s += p; + vst1q_u8(s, s6); + s += p; + vst1q_u8(s, s7); + s += p; + vst1q_u8(s, s8); + s += p; + vst1q_u8(s, s9); + s += p; + vst1q_u8(s, s10); + s += p; + vst1q_u8(s, s11); + s += p; + vst1q_u8(s, s12); + s += p; + vst1q_u8(s, s13); + s += p; + vst1q_u8(s, s14); + s += p; + vst1q_u8(s, s15); +} + +#define FUN_HOR_4_KERNEL(name, w) \ + static INLINE void lpf_horizontal_4##name##kernel( \ + uint8_t *s, const int p, const uint8x##w##_t blimit, \ + const uint8x##w##_t limit, const uint8x##w##_t thresh) { \ + uint8x##w##_t p3, p2, p1, p0, q0, q1, q2, q3, mask, hev; \ + \ + load_##w##x8(s - 4 * p, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); \ + filter_hev_mask4_##w(limit, blimit, thresh, p3, p2, p1, p0, q0, q1, q2, \ + q3, &hev, &mask); \ + filter4_##w(mask, hev, p1, p0, q0, q1, &p1, &p0, &q0, &q1); \ + store_##w##x4(s - 2 * p, p, p1, p0, q0, q1); \ + } + +FUN_HOR_4_KERNEL(_, 8) // lpf_horizontal_4_kernel +FUN_HOR_4_KERNEL(_dual_, 16) // lpf_horizontal_4_dual_kernel +#undef FUN_HOR_4_KERNEL + +void vpx_lpf_horizontal_4_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t blimit_vec, limit_vec, thresh_vec; + load_thresh_8(blimit, limit, thresh, &blimit_vec, &limit_vec, &thresh_vec); + lpf_horizontal_4_kernel(s, p, blimit_vec, limit_vec, thresh_vec); +} + +void vpx_lpf_horizontal_4_dual_neon(uint8_t *s, int p, const uint8_t *blimit0, + const uint8_t *limit0, + const uint8_t *thresh0, + const uint8_t *blimit1, + const uint8_t *limit1, + const uint8_t *thresh1) { + uint8x16_t blimit_vec, limit_vec, thresh_vec; + load_thresh_8_dual(blimit0, limit0, thresh0, blimit1, limit1, thresh1, + &blimit_vec, &limit_vec, &thresh_vec); + lpf_horizontal_4_dual_kernel(s, p, blimit_vec, limit_vec, thresh_vec); +} + +void vpx_lpf_vertical_4_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + mask, hev; + load_thresh_8(blimit, limit, thresh, &blimit_vec, &limit_vec, &thresh_vec); + load_8x8(s - 4, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + transpose_u8_8x8(&p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + filter_hev_mask4_8(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, + q2, q3, &hev, &mask); + filter4_8(mask, hev, p1, p0, q0, q1, &p1, &p0, &q0, &q1); + store_4x8(s - 2, p, p1, p0, q0, q1); +} + +void vpx_lpf_vertical_4_dual_neon(uint8_t *s, int p, const uint8_t *blimit0, + const uint8_t *limit0, const uint8_t *thresh0, + const uint8_t *blimit1, const uint8_t *limit1, + const uint8_t *thresh1) { + uint8x16_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + mask, hev; + uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, + s15; + + load_thresh_8_dual(blimit0, limit0, thresh0, blimit1, limit1, thresh1, + &blimit_vec, &limit_vec, &thresh_vec); + load_8x16(s - 4, p, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, &s9, &s10, + &s11, &s12, &s13, &s14, &s15); + transpose_u8_8x16(s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, + s14, s15, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + filter_hev_mask4_16(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, + q2, q3, &hev, &mask); + filter4_16(mask, hev, p1, p0, q0, q1, &p1, &p0, &q0, &q1); + s -= 2; + store_4x8(s, p, vget_low_u8(p1), vget_low_u8(p0), vget_low_u8(q0), + vget_low_u8(q1)); + store_4x8(s + 8 * p, p, vget_high_u8(p1), vget_high_u8(p0), vget_high_u8(q0), + vget_high_u8(q1)); +} + +void vpx_lpf_horizontal_8_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + op2, op1, op0, oq0, oq1, oq2, mask, flat, hev; + uint32_t flat_status; + + load_thresh_8(blimit, limit, thresh, &blimit_vec, &limit_vec, &thresh_vec); + load_8x8(s - 4 * p, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + mask = filter_flat_hev_mask_8(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, + p0, q0, q1, q2, q3, &flat, &flat_status, &hev); + filter8_8(mask, flat, flat_status, hev, p3, p2, p1, p0, q0, q1, q2, q3, &op2, + &op1, &op0, &oq0, &oq1, &oq2); + store_8x6(s - 3 * p, p, op2, op1, op0, oq0, oq1, oq2); +} + +void vpx_lpf_horizontal_8_dual_neon(uint8_t *s, int p, const uint8_t *blimit0, + const uint8_t *limit0, + const uint8_t *thresh0, + const uint8_t *blimit1, + const uint8_t *limit1, + const uint8_t *thresh1) { + uint8x16_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + op2, op1, op0, oq0, oq1, oq2, mask, flat, hev; + uint32_t flat_status; + + load_thresh_8_dual(blimit0, limit0, thresh0, blimit1, limit1, thresh1, + &blimit_vec, &limit_vec, &thresh_vec); + load_16x8(s - 4 * p, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + mask = filter_flat_hev_mask_16(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, + p0, q0, q1, q2, q3, &flat, &flat_status, &hev); + filter8_16(mask, flat, flat_status, hev, p3, p2, p1, p0, q0, q1, q2, q3, &op2, + &op1, &op0, &oq0, &oq1, &oq2); + store_16x6(s - 3 * p, p, op2, op1, op0, oq0, oq1, oq2); +} + +void vpx_lpf_vertical_8_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + op2, op1, op0, oq0, oq1, oq2, mask, flat, hev; + uint32_t flat_status; + + load_thresh_8(blimit, limit, thresh, &blimit_vec, &limit_vec, &thresh_vec); + load_8x8(s - 4, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + transpose_u8_8x8(&p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + mask = filter_flat_hev_mask_8(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, + p0, q0, q1, q2, q3, &flat, &flat_status, &hev); + filter8_8(mask, flat, flat_status, hev, p3, p2, p1, p0, q0, q1, q2, q3, &op2, + &op1, &op0, &oq0, &oq1, &oq2); + // Note: transpose + store_8x8() is faster than store_6x8(). + transpose_u8_8x8(&p3, &op2, &op1, &op0, &oq0, &oq1, &oq2, &q3); + store_8x8(s - 4, p, p3, op2, op1, op0, oq0, oq1, oq2, q3); +} + +void vpx_lpf_vertical_8_dual_neon(uint8_t *s, int p, const uint8_t *blimit0, + const uint8_t *limit0, const uint8_t *thresh0, + const uint8_t *blimit1, const uint8_t *limit1, + const uint8_t *thresh1) { + uint8x16_t blimit_vec, limit_vec, thresh_vec, p3, p2, p1, p0, q0, q1, q2, q3, + op2, op1, op0, oq0, oq1, oq2, mask, flat, hev; + uint8x8_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, + s15; + uint32_t flat_status; + + load_thresh_8_dual(blimit0, limit0, thresh0, blimit1, limit1, thresh1, + &blimit_vec, &limit_vec, &thresh_vec); + load_8x16(s - 4, p, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, &s9, &s10, + &s11, &s12, &s13, &s14, &s15); + transpose_u8_8x16(s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, + s14, s15, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + mask = filter_flat_hev_mask_16(limit_vec, blimit_vec, thresh_vec, p3, p2, p1, + p0, q0, q1, q2, q3, &flat, &flat_status, &hev); + filter8_16(mask, flat, flat_status, hev, p3, p2, p1, p0, q0, q1, q2, q3, &op2, + &op1, &op0, &oq0, &oq1, &oq2); + // Note: store_6x8() twice is faster than transpose + store_8x16(). + store_6x8(s, p, vget_low_u8(op2), vget_low_u8(op1), vget_low_u8(op0), + vget_low_u8(oq0), vget_low_u8(oq1), vget_low_u8(oq2)); + store_6x8(s + 8 * p, p, vget_high_u8(op2), vget_high_u8(op1), + vget_high_u8(op0), vget_high_u8(oq0), vget_high_u8(oq1), + vget_high_u8(oq2)); +} + +#define FUN_LPF_16_KERNEL(name, w) \ + static INLINE void lpf_16##name##kernel( \ + const uint8_t *blimit, const uint8_t *limit, const uint8_t *thresh, \ + const uint8x##w##_t p7, const uint8x##w##_t p6, const uint8x##w##_t p5, \ + const uint8x##w##_t p4, const uint8x##w##_t p3, const uint8x##w##_t p2, \ + const uint8x##w##_t p1, const uint8x##w##_t p0, const uint8x##w##_t q0, \ + const uint8x##w##_t q1, const uint8x##w##_t q2, const uint8x##w##_t q3, \ + const uint8x##w##_t q4, const uint8x##w##_t q5, const uint8x##w##_t q6, \ + const uint8x##w##_t q7, uint8x##w##_t *op6, uint8x##w##_t *op5, \ + uint8x##w##_t *op4, uint8x##w##_t *op3, uint8x##w##_t *op2, \ + uint8x##w##_t *op1, uint8x##w##_t *op0, uint8x##w##_t *oq0, \ + uint8x##w##_t *oq1, uint8x##w##_t *oq2, uint8x##w##_t *oq3, \ + uint8x##w##_t *oq4, uint8x##w##_t *oq5, uint8x##w##_t *oq6, \ + uint32_t *flat_status, uint32_t *flat2_status) { \ + uint8x##w##_t blimit_vec, limit_vec, thresh_vec, mask, flat, flat2, hev; \ + \ + load_thresh_##w(blimit, limit, thresh, &blimit_vec, &limit_vec, \ + &thresh_vec); \ + mask = filter_flat_hev_mask_##w(limit_vec, blimit_vec, thresh_vec, p3, p2, \ + p1, p0, q0, q1, q2, q3, &flat, \ + flat_status, &hev); \ + flat2 = flat_mask5_##w(p7, p6, p5, p4, p0, q0, q4, q5, q6, q7, flat, \ + flat2_status); \ + filter16_##w(mask, flat, *flat_status, flat2, *flat2_status, hev, p7, p6, \ + p5, p4, p3, p2, p1, p0, q0, q1, q2, q3, q4, q5, q6, q7, op6, \ + op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, \ + oq6); \ + } + +FUN_LPF_16_KERNEL(_, 8) // lpf_16_kernel +FUN_LPF_16_KERNEL(_dual_, 16) // lpf_16_dual_kernel +#undef FUN_LPF_16_KERNEL + +// Quiet warnings of the form: 'vpx_dsp/arm/loopfilter_neon.c|981 col 42| +// warning: 'oq1' may be used uninitialized in this function +// [-Wmaybe-uninitialized]', for oq1-op1. Without reworking the code or adding +// an additional branch this warning cannot be silenced otherwise. The +// loopfilter is only called when needed for a block so these output pixels +// will be set. +#if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wmaybe-uninitialized" +#endif + +void vpx_lpf_horizontal_16_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, q2, q3, q4, q5, q6, q7, op6, + op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, oq6; + uint32_t flat_status, flat2_status; + + load_8x16(s - 8 * p, p, &p7, &p6, &p5, &p4, &p3, &p2, &p1, &p0, &q0, &q1, &q2, + &q3, &q4, &q5, &q6, &q7); + lpf_16_kernel(blimit, limit, thresh, p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, + q2, q3, q4, q5, q6, q7, &op6, &op5, &op4, &op3, &op2, &op1, + &op0, &oq0, &oq1, &oq2, &oq3, &oq4, &oq5, &oq6, &flat_status, + &flat2_status); + store_8x14(s, p, op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, + oq5, oq6, flat_status, flat2_status); +} + +void vpx_lpf_horizontal_16_dual_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, + const uint8_t *thresh) { + uint8x16_t p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, q2, q3, q4, q5, q6, q7, + op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, oq6; + uint32_t flat_status, flat2_status; + + load_16x8(s - 4 * p, p, &p3, &p2, &p1, &p0, &q0, &q1, &q2, &q3); + p7 = vld1q_u8(s - 8 * p); + p6 = vld1q_u8(s - 7 * p); + p5 = vld1q_u8(s - 6 * p); + p4 = vld1q_u8(s - 5 * p); + q4 = vld1q_u8(s + 4 * p); + q5 = vld1q_u8(s + 5 * p); + q6 = vld1q_u8(s + 6 * p); + q7 = vld1q_u8(s + 7 * p); + lpf_16_dual_kernel(blimit, limit, thresh, p7, p6, p5, p4, p3, p2, p1, p0, q0, + q1, q2, q3, q4, q5, q6, q7, &op6, &op5, &op4, &op3, &op2, + &op1, &op0, &oq0, &oq1, &oq2, &oq3, &oq4, &oq5, &oq6, + &flat_status, &flat2_status); + store_16x14(s, p, op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, + oq5, oq6, flat_status, flat2_status); +} + +void vpx_lpf_vertical_16_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, const uint8_t *thresh) { + uint8x8_t p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, q2, q3, q4, q5, q6, q7, op6, + op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, oq6; + uint8x16_t s0, s1, s2, s3, s4, s5, s6, s7; + uint32_t flat_status, flat2_status; + + s -= 8; + load_16x8(s, p, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7); + transpose_u8_16x8(s0, s1, s2, s3, s4, s5, s6, s7, &p7, &p6, &p5, &p4, &p3, + &p2, &p1, &p0, &q0, &q1, &q2, &q3, &q4, &q5, &q6, &q7); + lpf_16_kernel(blimit, limit, thresh, p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, + q2, q3, q4, q5, q6, q7, &op6, &op5, &op4, &op3, &op2, &op1, + &op0, &oq0, &oq1, &oq2, &oq3, &oq4, &oq5, &oq6, &flat_status, + &flat2_status); + if (flat_status) { + if (flat2_status) { + transpose_u8_8x16(p7, op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, + oq3, oq4, oq5, oq6, q7, &s0, &s1, &s2, &s3, &s4, &s5, + &s6, &s7); + store_16x8(s, p, s0, s1, s2, s3, s4, s5, s6, s7); + } else { + // Note: transpose + store_8x8() is faster than store_6x8(). + transpose_u8_8x8(&p3, &op2, &op1, &op0, &oq0, &oq1, &oq2, &q3); + store_8x8(s + 4, p, p3, op2, op1, op0, oq0, oq1, oq2, q3); + } + } else { + store_4x8(s + 6, p, op1, op0, oq0, oq1); + } +} + +void vpx_lpf_vertical_16_dual_neon(uint8_t *s, int p, const uint8_t *blimit, + const uint8_t *limit, + const uint8_t *thresh) { + uint8x16_t p7, p6, p5, p4, p3, p2, p1, p0, q0, q1, q2, q3, q4, q5, q6, q7, + op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, oq3, oq4, oq5, oq6; + uint8x16_t s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, s14, + s15; + uint32_t flat_status, flat2_status; + + s -= 8; + load_16x16(s, p, &s0, &s1, &s2, &s3, &s4, &s5, &s6, &s7, &s8, &s9, &s10, &s11, + &s12, &s13, &s14, &s15); + transpose_u8_16x16(s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, s13, + s14, s15, &p7, &p6, &p5, &p4, &p3, &p2, &p1, &p0, &q0, &q1, + &q2, &q3, &q4, &q5, &q6, &q7); + lpf_16_dual_kernel(blimit, limit, thresh, p7, p6, p5, p4, p3, p2, p1, p0, q0, + q1, q2, q3, q4, q5, q6, q7, &op6, &op5, &op4, &op3, &op2, + &op1, &op0, &oq0, &oq1, &oq2, &oq3, &oq4, &oq5, &oq6, + &flat_status, &flat2_status); + if (flat_status) { + if (flat2_status) { + transpose_u8_16x16(p7, op6, op5, op4, op3, op2, op1, op0, oq0, oq1, oq2, + oq3, oq4, oq5, oq6, q7, &s0, &s1, &s2, &s3, &s4, &s5, + &s6, &s7, &s8, &s9, &s10, &s11, &s12, &s13, &s14, + &s15); + store_16x16(s, p, s0, s1, s2, s3, s4, s5, s6, s7, s8, s9, s10, s11, s12, + s13, s14, s15); + } else { + // Note: store_6x8() twice is faster than transpose + store_8x16(). + s += 8; + store_6x8(s, p, vget_low_u8(op2), vget_low_u8(op1), vget_low_u8(op0), + vget_low_u8(oq0), vget_low_u8(oq1), vget_low_u8(oq2)); + store_6x8(s + 8 * p, p, vget_high_u8(op2), vget_high_u8(op1), + vget_high_u8(op0), vget_high_u8(oq0), vget_high_u8(oq1), + vget_high_u8(oq2)); + } + } else { + s += 6; + store_4x8(s, p, vget_low_u8(op1), vget_low_u8(op0), vget_low_u8(oq0), + vget_low_u8(oq1)); + store_4x8(s + 8 * p, p, vget_high_u8(op1), vget_high_u8(op0), + vget_high_u8(oq0), vget_high_u8(oq1)); + } +} + +#if defined(__GNUC__) && __GNUC__ >= 4 && !defined(__clang__) +#pragma GCC diagnostic pop +#endif |