| /* |
| * Copyright (c) 2023, Alliance for Open Media. All rights reserved. |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <arm_neon.h> |
| #include <assert.h> |
| |
| #include "config/aom_config.h" |
| #include "config/aom_dsp_rtcd.h" |
| |
| #include "aom_dsp/arm/blend_neon.h" |
| #include "aom_dsp/arm/mem_neon.h" |
| #include "aom_dsp/blend.h" |
| |
| #define HBD_BLEND_A64_D16_MASK(bd, round0_bits) \ |
| static inline uint16x8_t alpha_##bd##_blend_a64_d16_u16x8( \ |
| uint16x8_t m, uint16x8_t a, uint16x8_t b, int32x4_t round_offset) { \ |
| const uint16x8_t m_inv = \ |
| vsubq_u16(vdupq_n_u16(AOM_BLEND_A64_MAX_ALPHA), m); \ |
| \ |
| uint32x4_t blend_u32_lo = vmlal_u16(vreinterpretq_u32_s32(round_offset), \ |
| vget_low_u16(m), vget_low_u16(a)); \ |
| uint32x4_t blend_u32_hi = vmlal_u16(vreinterpretq_u32_s32(round_offset), \ |
| vget_high_u16(m), vget_high_u16(a)); \ |
| \ |
| blend_u32_lo = \ |
| vmlal_u16(blend_u32_lo, vget_low_u16(m_inv), vget_low_u16(b)); \ |
| blend_u32_hi = \ |
| vmlal_u16(blend_u32_hi, vget_high_u16(m_inv), vget_high_u16(b)); \ |
| \ |
| uint16x4_t blend_u16_lo = \ |
| vqrshrun_n_s32(vreinterpretq_s32_u32(blend_u32_lo), \ |
| AOM_BLEND_A64_ROUND_BITS + 2 * FILTER_BITS - \ |
| round0_bits - COMPOUND_ROUND1_BITS); \ |
| uint16x4_t blend_u16_hi = \ |
| vqrshrun_n_s32(vreinterpretq_s32_u32(blend_u32_hi), \ |
| AOM_BLEND_A64_ROUND_BITS + 2 * FILTER_BITS - \ |
| round0_bits - COMPOUND_ROUND1_BITS); \ |
| \ |
| uint16x8_t blend_u16 = vcombine_u16(blend_u16_lo, blend_u16_hi); \ |
| blend_u16 = vminq_u16(blend_u16, vdupq_n_u16((1 << bd) - 1)); \ |
| \ |
| return blend_u16; \ |
| } \ |
| \ |
| static inline void highbd_##bd##_blend_a64_d16_mask_neon( \ |
| uint16_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, \ |
| uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, \ |
| const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, \ |
| int subh) { \ |
| const int offset_bits = bd + 2 * FILTER_BITS - round0_bits; \ |
| int32_t round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + \ |
| (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); \ |
| int32x4_t offset = \ |
| vdupq_n_s32(-(round_offset << AOM_BLEND_A64_ROUND_BITS)); \ |
| \ |
| if ((subw | subh) == 0) { \ |
| if (w >= 8) { \ |
| do { \ |
| int i = 0; \ |
| do { \ |
| uint16x8_t m0 = vmovl_u8(vld1_u8(mask + i)); \ |
| uint16x8_t s0 = vld1q_u16(src0 + i); \ |
| uint16x8_t s1 = vld1q_u16(src1 + i); \ |
| \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m0, s0, s1, offset); \ |
| \ |
| vst1q_u16(dst + i, blend); \ |
| i += 8; \ |
| } while (i < w); \ |
| \ |
| mask += mask_stride; \ |
| src0 += src0_stride; \ |
| src1 += src1_stride; \ |
| dst += dst_stride; \ |
| } while (--h != 0); \ |
| } else { \ |
| do { \ |
| uint16x8_t m0 = vmovl_u8(load_unaligned_u8_4x2(mask, mask_stride)); \ |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \ |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \ |
| \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m0, s0, s1, offset); \ |
| \ |
| store_u16x4_strided_x2(dst, dst_stride, blend); \ |
| \ |
| mask += 2 * mask_stride; \ |
| src0 += 2 * src0_stride; \ |
| src1 += 2 * src1_stride; \ |
| dst += 2 * dst_stride; \ |
| h -= 2; \ |
| } while (h != 0); \ |
| } \ |
| } else if ((subw & subh) == 1) { \ |
| if (w >= 8) { \ |
| do { \ |
| int i = 0; \ |
| do { \ |
| uint8x16_t m0 = vld1q_u8(mask + 0 * mask_stride + 2 * i); \ |
| uint8x16_t m1 = vld1q_u8(mask + 1 * mask_stride + 2 * i); \ |
| uint16x8_t s0 = vld1q_u16(src0 + i); \ |
| uint16x8_t s1 = vld1q_u16(src1 + i); \ |
| \ |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8_4( \ |
| vget_low_u8(m0), vget_low_u8(m1), vget_high_u8(m0), \ |
| vget_high_u8(m1))); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| vst1q_u16(dst + i, blend); \ |
| i += 8; \ |
| } while (i < w); \ |
| \ |
| mask += 2 * mask_stride; \ |
| src0 += src0_stride; \ |
| src1 += src1_stride; \ |
| dst += dst_stride; \ |
| } while (--h != 0); \ |
| } else { \ |
| do { \ |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); \ |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); \ |
| uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride); \ |
| uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride); \ |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \ |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \ |
| \ |
| uint16x8_t m_avg = \ |
| vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3)); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| store_u16x4_strided_x2(dst, dst_stride, blend); \ |
| \ |
| mask += 4 * mask_stride; \ |
| src0 += 2 * src0_stride; \ |
| src1 += 2 * src1_stride; \ |
| dst += 2 * dst_stride; \ |
| h -= 2; \ |
| } while (h != 0); \ |
| } \ |
| } else if (subw == 1 && subh == 0) { \ |
| if (w >= 8) { \ |
| do { \ |
| int i = 0; \ |
| do { \ |
| uint8x8_t m0 = vld1_u8(mask + 2 * i); \ |
| uint8x8_t m1 = vld1_u8(mask + 2 * i + 8); \ |
| uint16x8_t s0 = vld1q_u16(src0 + i); \ |
| uint16x8_t s1 = vld1q_u16(src1 + i); \ |
| \ |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| vst1q_u16(dst + i, blend); \ |
| i += 8; \ |
| } while (i < w); \ |
| \ |
| mask += mask_stride; \ |
| src0 += src0_stride; \ |
| src1 += src1_stride; \ |
| dst += dst_stride; \ |
| } while (--h != 0); \ |
| } else { \ |
| do { \ |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); \ |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); \ |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \ |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \ |
| \ |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| store_u16x4_strided_x2(dst, dst_stride, blend); \ |
| \ |
| mask += 2 * mask_stride; \ |
| src0 += 2 * src0_stride; \ |
| src1 += 2 * src1_stride; \ |
| dst += 2 * dst_stride; \ |
| h -= 2; \ |
| } while (h != 0); \ |
| } \ |
| } else { \ |
| if (w >= 8) { \ |
| do { \ |
| int i = 0; \ |
| do { \ |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + i); \ |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + i); \ |
| uint16x8_t s0 = vld1q_u16(src0 + i); \ |
| uint16x8_t s1 = vld1q_u16(src1 + i); \ |
| \ |
| uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0, m1)); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| vst1q_u16(dst + i, blend); \ |
| i += 8; \ |
| } while (i < w); \ |
| \ |
| mask += 2 * mask_stride; \ |
| src0 += src0_stride; \ |
| src1 += src1_stride; \ |
| dst += dst_stride; \ |
| } while (--h != 0); \ |
| } else { \ |
| do { \ |
| uint8x8_t m0_2 = \ |
| load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride); \ |
| uint8x8_t m1_3 = \ |
| load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride); \ |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); \ |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); \ |
| \ |
| uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0_2, m1_3)); \ |
| uint16x8_t blend = \ |
| alpha_##bd##_blend_a64_d16_u16x8(m_avg, s0, s1, offset); \ |
| \ |
| store_u16x4_strided_x2(dst, dst_stride, blend); \ |
| \ |
| mask += 4 * mask_stride; \ |
| src0 += 2 * src0_stride; \ |
| src1 += 2 * src1_stride; \ |
| dst += 2 * dst_stride; \ |
| h -= 2; \ |
| } while (h != 0); \ |
| } \ |
| } \ |
| } |
| |
| // 12 bitdepth |
| HBD_BLEND_A64_D16_MASK(12, (ROUND0_BITS + 2)) |
| // 10 bitdepth |
| HBD_BLEND_A64_D16_MASK(10, ROUND0_BITS) |
| // 8 bitdepth |
| HBD_BLEND_A64_D16_MASK(8, ROUND0_BITS) |
| |
| void aom_highbd_blend_a64_d16_mask_neon( |
| uint8_t *dst_8, uint32_t dst_stride, const CONV_BUF_TYPE *src0, |
| uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, |
| const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, int subh, |
| ConvolveParams *conv_params, const int bd) { |
| (void)conv_params; |
| assert(h >= 1); |
| assert(w >= 1); |
| assert(IS_POWER_OF_TWO(h)); |
| assert(IS_POWER_OF_TWO(w)); |
| |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8); |
| assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); |
| assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); |
| |
| if (bd == 12) { |
| highbd_12_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1, |
| src1_stride, mask, mask_stride, w, h, |
| subw, subh); |
| } else if (bd == 10) { |
| highbd_10_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1, |
| src1_stride, mask, mask_stride, w, h, |
| subw, subh); |
| } else { |
| highbd_8_blend_a64_d16_mask_neon(dst, dst_stride, src0, src0_stride, src1, |
| src1_stride, mask, mask_stride, w, h, subw, |
| subh); |
| } |
| } |
| |
| void aom_highbd_blend_a64_mask_neon(uint8_t *dst_8, uint32_t dst_stride, |
| const uint8_t *src0_8, uint32_t src0_stride, |
| const uint8_t *src1_8, uint32_t src1_stride, |
| const uint8_t *mask, uint32_t mask_stride, |
| int w, int h, int subw, int subh, int bd) { |
| (void)bd; |
| |
| const uint16_t *src0 = CONVERT_TO_SHORTPTR(src0_8); |
| const uint16_t *src1 = CONVERT_TO_SHORTPTR(src1_8); |
| uint16_t *dst = CONVERT_TO_SHORTPTR(dst_8); |
| |
| assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); |
| assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); |
| |
| assert(h >= 1); |
| assert(w >= 1); |
| assert(IS_POWER_OF_TWO(h)); |
| assert(IS_POWER_OF_TWO(w)); |
| |
| assert(bd == 8 || bd == 10 || bd == 12); |
| |
| if ((subw | subh) == 0) { |
| if (w >= 8) { |
| do { |
| int i = 0; |
| do { |
| uint16x8_t m0 = vmovl_u8(vld1_u8(mask + i)); |
| uint16x8_t s0 = vld1q_u16(src0 + i); |
| uint16x8_t s1 = vld1q_u16(src1 + i); |
| |
| uint16x8_t blend = alpha_blend_a64_u16x8(m0, s0, s1); |
| |
| vst1q_u16(dst + i, blend); |
| i += 8; |
| } while (i < w); |
| |
| mask += mask_stride; |
| src0 += src0_stride; |
| src1 += src1_stride; |
| dst += dst_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| uint16x8_t m0 = vmovl_u8(load_unaligned_u8_4x2(mask, mask_stride)); |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); |
| |
| uint16x8_t blend = alpha_blend_a64_u16x8(m0, s0, s1); |
| |
| store_u16x4_strided_x2(dst, dst_stride, blend); |
| |
| mask += 2 * mask_stride; |
| src0 += 2 * src0_stride; |
| src1 += 2 * src1_stride; |
| dst += 2 * dst_stride; |
| h -= 2; |
| } while (h != 0); |
| } |
| } else if ((subw & subh) == 1) { |
| if (w >= 8) { |
| do { |
| int i = 0; |
| do { |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + 2 * i); |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + 2 * i); |
| uint8x8_t m2 = vld1_u8(mask + 0 * mask_stride + 2 * i + 8); |
| uint8x8_t m3 = vld1_u8(mask + 1 * mask_stride + 2 * i + 8); |
| uint16x8_t s0 = vld1q_u16(src0 + i); |
| uint16x8_t s1 = vld1q_u16(src1 + i); |
| |
| uint16x8_t m_avg = |
| vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3)); |
| |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| vst1q_u16(dst + i, blend); |
| |
| i += 8; |
| } while (i < w); |
| |
| mask += 2 * mask_stride; |
| src0 += src0_stride; |
| src1 += src1_stride; |
| dst += dst_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); |
| uint8x8_t m2 = vld1_u8(mask + 2 * mask_stride); |
| uint8x8_t m3 = vld1_u8(mask + 3 * mask_stride); |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); |
| |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8_4(m0, m1, m2, m3)); |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| store_u16x4_strided_x2(dst, dst_stride, blend); |
| |
| mask += 4 * mask_stride; |
| src0 += 2 * src0_stride; |
| src1 += 2 * src1_stride; |
| dst += 2 * dst_stride; |
| h -= 2; |
| } while (h != 0); |
| } |
| } else if (subw == 1 && subh == 0) { |
| if (w >= 8) { |
| do { |
| int i = 0; |
| |
| do { |
| uint8x8_t m0 = vld1_u8(mask + 2 * i); |
| uint8x8_t m1 = vld1_u8(mask + 2 * i + 8); |
| uint16x8_t s0 = vld1q_u16(src0 + i); |
| uint16x8_t s1 = vld1q_u16(src1 + i); |
| |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| vst1q_u16(dst + i, blend); |
| |
| i += 8; |
| } while (i < w); |
| |
| mask += mask_stride; |
| src0 += src0_stride; |
| src1 += src1_stride; |
| dst += dst_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); |
| |
| uint16x8_t m_avg = vmovl_u8(avg_blend_pairwise_u8x8(m0, m1)); |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| store_u16x4_strided_x2(dst, dst_stride, blend); |
| |
| mask += 2 * mask_stride; |
| src0 += 2 * src0_stride; |
| src1 += 2 * src1_stride; |
| dst += 2 * dst_stride; |
| h -= 2; |
| } while (h != 0); |
| } |
| } else { |
| if (w >= 8) { |
| do { |
| int i = 0; |
| do { |
| uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride + i); |
| uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride + i); |
| uint16x8_t s0 = vld1q_u16(src0 + i); |
| uint16x8_t s1 = vld1q_u16(src1 + i); |
| |
| uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0, m1)); |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| vst1q_u16(dst + i, blend); |
| |
| i += 8; |
| } while (i < w); |
| |
| mask += 2 * mask_stride; |
| src0 += src0_stride; |
| src1 += src1_stride; |
| dst += dst_stride; |
| } while (--h != 0); |
| } else { |
| do { |
| uint8x8_t m0_2 = |
| load_unaligned_u8_4x2(mask + 0 * mask_stride, 2 * mask_stride); |
| uint8x8_t m1_3 = |
| load_unaligned_u8_4x2(mask + 1 * mask_stride, 2 * mask_stride); |
| uint16x8_t s0 = load_unaligned_u16_4x2(src0, src0_stride); |
| uint16x8_t s1 = load_unaligned_u16_4x2(src1, src1_stride); |
| |
| uint16x8_t m_avg = vmovl_u8(avg_blend_u8x8(m0_2, m1_3)); |
| uint16x8_t blend = alpha_blend_a64_u16x8(m_avg, s0, s1); |
| |
| store_u16x4_strided_x2(dst, dst_stride, blend); |
| |
| mask += 4 * mask_stride; |
| src0 += 2 * src0_stride; |
| src1 += 2 * src1_stride; |
| dst += 2 * dst_stride; |
| h -= 2; |
| } while (h != 0); |
| } |
| } |
| } |
