diff options
Diffstat (limited to 'media/libaom/src/aom_dsp/arm/blend_a64_mask_neon.c')
| -rw-r--r-- | media/libaom/src/aom_dsp/arm/blend_a64_mask_neon.c | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/media/libaom/src/aom_dsp/arm/blend_a64_mask_neon.c b/media/libaom/src/aom_dsp/arm/blend_a64_mask_neon.c new file mode 100644 index 000000000..e7f08a5fd --- /dev/null +++ b/media/libaom/src/aom_dsp/arm/blend_a64_mask_neon.c @@ -0,0 +1,451 @@ +/* + * Copyright (c) 2018, 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 "aom/aom_integer.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/blend.h" +#include "aom_ports/mem.h" +#include "av1/common/arm/mem_neon.h" +#include "config/aom_dsp_rtcd.h" + +static INLINE void blend8x1(int16x8_t mask, int16x8_t src_0, int16x8_t src_1, + const int16x8_t v_maxval, int16x8_t *res) { + int32x4_t im_res_low, im_res_high; + const int16x8_t max_minus_mask = vsubq_s16(v_maxval, mask); + + im_res_low = vmull_s16(vget_low_s16(mask), vget_low_s16(src_0)); + im_res_low = + vmlal_s16(im_res_low, vget_low_s16(max_minus_mask), vget_low_s16(src_1)); + + im_res_high = vmull_s16(vget_high_s16(mask), vget_high_s16(src_0)); + im_res_high = vmlal_s16(im_res_high, vget_high_s16(max_minus_mask), + vget_high_s16(src_1)); + + *res = vcombine_s16(vshrn_n_s32(im_res_low, AOM_BLEND_A64_ROUND_BITS), + vshrn_n_s32(im_res_high, AOM_BLEND_A64_ROUND_BITS)); +} + +static INLINE void blend_8x4(uint8_t *dst, uint32_t dst_stride, + const CONV_BUF_TYPE *src0, uint32_t src0_stride, + const CONV_BUF_TYPE *src1, uint32_t src1_stride, + int16x8_t mask0, int16x8_t mask1, int16x8_t mask2, + int16x8_t mask3, const int16x8_t v_maxval, + const uint16x8_t vec_round_offset, + const int16x8_t vec_round_bits) { + int16x8_t src0_0, src0_1, src0_2, src0_3; + int16x8_t src1_0, src1_1, src1_2, src1_3; + int16x8_t im_res_0, im_res_1, im_res_2, im_res_3; + + load_s16_8x4((int16_t *)src0, (int32_t)src0_stride, &src0_0, &src0_1, &src0_2, + &src0_3); + load_s16_8x4((int16_t *)src1, (int32_t)src1_stride, &src1_0, &src1_1, &src1_2, + &src1_3); + + blend8x1(mask0, src0_0, src1_0, v_maxval, &im_res_0); + blend8x1(mask1, src0_1, src1_1, v_maxval, &im_res_1); + blend8x1(mask2, src0_2, src1_2, v_maxval, &im_res_2); + blend8x1(mask3, src0_3, src1_3, v_maxval, &im_res_3); + + uint16x8_t im_res1_0 = + vqsubq_u16(vreinterpretq_u16_s16(im_res_0), vec_round_offset); + uint16x8_t im_res1_1 = + vqsubq_u16(vreinterpretq_u16_s16(im_res_1), vec_round_offset); + uint16x8_t im_res1_2 = + vqsubq_u16(vreinterpretq_u16_s16(im_res_2), vec_round_offset); + uint16x8_t im_res1_3 = + vqsubq_u16(vreinterpretq_u16_s16(im_res_3), vec_round_offset); + + im_res_0 = vshlq_s16(vreinterpretq_s16_u16(im_res1_0), vec_round_bits); + im_res_1 = vshlq_s16(vreinterpretq_s16_u16(im_res1_1), vec_round_bits); + im_res_2 = vshlq_s16(vreinterpretq_s16_u16(im_res1_2), vec_round_bits); + im_res_3 = vshlq_s16(vreinterpretq_s16_u16(im_res1_3), vec_round_bits); + + vst1_u8((dst + 0 * dst_stride), vqmovun_s16(im_res_0)); + vst1_u8((dst + 1 * dst_stride), vqmovun_s16(im_res_1)); + vst1_u8((dst + 2 * dst_stride), vqmovun_s16(im_res_2)); + vst1_u8((dst + 3 * dst_stride), vqmovun_s16(im_res_3)); +} + +static INLINE void blend_4x4(uint8_t *dst, uint32_t dst_stride, + const CONV_BUF_TYPE *src0, uint32_t src0_stride, + const CONV_BUF_TYPE *src1, uint32_t src1_stride, + int16x4_t mask0, int16x4_t mask1, int16x4_t mask2, + int16x4_t mask3, const int16x8_t v_maxval, + const uint16x8_t vec_round_offset, + const int16x8_t vec_round_bits) { + int16x8_t src0_0, src0_1; + int16x8_t src1_0, src1_1; + uint64x2_t tu0 = vdupq_n_u64(0), tu1 = vdupq_n_u64(0), tu2 = vdupq_n_u64(0), + tu3 = vdupq_n_u64(0); + int16x8_t mask0_1, mask2_3; + int16x8_t res0, res1; + + load_unaligned_u16_4x4(src0, src0_stride, &tu0, &tu1); + load_unaligned_u16_4x4(src1, src1_stride, &tu2, &tu3); + + src0_0 = vreinterpretq_s16_u64(tu0); + src0_1 = vreinterpretq_s16_u64(tu1); + + src1_0 = vreinterpretq_s16_u64(tu2); + src1_1 = vreinterpretq_s16_u64(tu3); + + mask0_1 = vcombine_s16(mask0, mask1); + mask2_3 = vcombine_s16(mask2, mask3); + + blend8x1(mask0_1, src0_0, src1_0, v_maxval, &res0); + blend8x1(mask2_3, src0_1, src1_1, v_maxval, &res1); + + uint16x8_t im_res_0 = + vqsubq_u16(vreinterpretq_u16_s16(res0), vec_round_offset); + uint16x8_t im_res_1 = + vqsubq_u16(vreinterpretq_u16_s16(res1), vec_round_offset); + + src0_0 = vshlq_s16(vreinterpretq_s16_u16(im_res_0), vec_round_bits); + src0_1 = vshlq_s16(vreinterpretq_s16_u16(im_res_1), vec_round_bits); + + uint8x8_t res_0 = vqmovun_s16(src0_0); + uint8x8_t res_1 = vqmovun_s16(src0_1); + + vst1_lane_u32((uint32_t *)(dst + 0 * dst_stride), vreinterpret_u32_u8(res_0), + 0); + vst1_lane_u32((uint32_t *)(dst + 1 * dst_stride), vreinterpret_u32_u8(res_0), + 1); + vst1_lane_u32((uint32_t *)(dst + 2 * dst_stride), vreinterpret_u32_u8(res_1), + 0); + vst1_lane_u32((uint32_t *)(dst + 3 * dst_stride), vreinterpret_u32_u8(res_1), + 1); +} + +void aom_lowbd_blend_a64_d16_mask_neon( + uint8_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, + ConvolveParams *conv_params) { + int i = 0; + const int bd = 8; + int w_tmp = w; + const uint8_t *mask_tmp = mask; + const CONV_BUF_TYPE *src0_tmp = src0; + const CONV_BUF_TYPE *src1_tmp = src1; + uint8_t *dst_tmp = dst; + + const int offset_bits = bd + 2 * FILTER_BITS - conv_params->round_0; + const int round_offset = (1 << (offset_bits - conv_params->round_1)) + + (1 << (offset_bits - conv_params->round_1 - 1)); + const int round_bits = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + + assert(IMPLIES((void *)src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES((void *)src1 == dst, src1_stride == dst_stride)); + + assert(h >= 4); + assert(w >= 4); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + uint8x8_t s0, s1, s2, s3; + uint32x2_t tu0 = vdup_n_u32(0), tu1 = vdup_n_u32(0), tu2 = vdup_n_u32(0), + tu3 = vdup_n_u32(0); + uint8x16_t t0, t1, t2, t3, t4, t5, t6, t7; + int16x8_t mask0, mask1, mask2, mask3; + int16x8_t mask4, mask5, mask6, mask7; + int32x4_t m0_32, m1_32, m2_32, m3_32; + int32x4_t m4_32, m5_32, m6_32, m7_32; + uint8x8_t mask0_l, mask1_l, mask2_l, mask3_l; + uint8x8_t mask4_l, mask5_l, mask6_l, mask7_l; + int16x4_t mask0_low, mask1_low, mask2_low, mask3_low; + const uint16x4_t vec_zero = vdup_n_u16(0); + const uint16_t offset = round_offset - (1 << (round_bits - 1)); + const int16x8_t v_maxval = vdupq_n_s16(AOM_BLEND_A64_MAX_ALPHA); + const int16x8_t vec_round_bits = vdupq_n_s16(-round_bits); + const uint16x8_t vec_offset = vdupq_n_u16(offset); + + if (subw == 0 && subh == 0) { + if (w_tmp > 7) { + do { + w_tmp = w; + do { + load_u8_8x4(mask_tmp, mask_stride, &s0, &s1, &s2, &s3); + + mask0 = vmovl_s8(vreinterpret_s8_u8(s0)); + mask1 = vmovl_s8(vreinterpret_s8_u8(s1)); + mask2 = vmovl_s8(vreinterpret_s8_u8(s2)); + mask3 = vmovl_s8(vreinterpret_s8_u8(s3)); + + blend_8x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0, mask1, mask2, mask3, v_maxval, + vec_offset, vec_round_bits); + + w_tmp -= 8; + mask_tmp += 8; + dst_tmp += 8; + src0_tmp += 8; + src1_tmp += 8; + } while (w_tmp > 7); + i += 4; + mask_tmp += (4 * mask_stride) - w; + dst_tmp += (4 * dst_stride) - w; + src0_tmp += (4 * src0_stride) - w; + src1_tmp += (4 * src1_stride) - w; + } while (i < h); + } else { + do { + load_unaligned_u8_4x4(mask_tmp, mask_stride, &tu0, &tu1); + + mask0 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu0))); + mask1 = vreinterpretq_s16_u16(vmovl_u8(vreinterpret_u8_u32(tu1))); + + mask0_low = vget_low_s16(mask0); + mask1_low = vget_high_s16(mask0); + mask2_low = vget_low_s16(mask1); + mask3_low = vget_high_s16(mask1); + + blend_4x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0_low, mask1_low, mask2_low, mask3_low, + v_maxval, vec_offset, vec_round_bits); + + i += 4; + mask_tmp += (4 * mask_stride); + dst_tmp += (4 * dst_stride); + src0_tmp += (4 * src0_stride); + src1_tmp += (4 * src1_stride); + } while (i < h); + } + } else if (subw == 1 && subh == 1) { + if (w_tmp > 7) { + do { + w_tmp = w; + do { + load_u8_16x8(mask_tmp, mask_stride, &t0, &t1, &t2, &t3, &t4, &t5, &t6, + &t7); + + mask0 = + vreinterpretq_s16_u16(vaddl_u8(vget_low_u8(t0), vget_low_u8(t1))); + mask1 = + vreinterpretq_s16_u16(vaddl_u8(vget_low_u8(t2), vget_low_u8(t3))); + mask2 = + vreinterpretq_s16_u16(vaddl_u8(vget_low_u8(t4), vget_low_u8(t5))); + mask3 = + vreinterpretq_s16_u16(vaddl_u8(vget_low_u8(t6), vget_low_u8(t7))); + + mask4 = vreinterpretq_s16_u16( + vaddl_u8(vget_high_u8(t0), vget_high_u8(t1))); + mask5 = vreinterpretq_s16_u16( + vaddl_u8(vget_high_u8(t2), vget_high_u8(t3))); + mask6 = vreinterpretq_s16_u16( + vaddl_u8(vget_high_u8(t4), vget_high_u8(t5))); + mask7 = vreinterpretq_s16_u16( + vaddl_u8(vget_high_u8(t6), vget_high_u8(t7))); + + m0_32 = vpaddlq_s16(mask0); + m1_32 = vpaddlq_s16(mask1); + m2_32 = vpaddlq_s16(mask2); + m3_32 = vpaddlq_s16(mask3); + + m4_32 = vpaddlq_s16(mask4); + m5_32 = vpaddlq_s16(mask5); + m6_32 = vpaddlq_s16(mask6); + m7_32 = vpaddlq_s16(mask7); + + mask0 = + vcombine_s16(vqrshrn_n_s32(m0_32, 2), vqrshrn_n_s32(m4_32, 2)); + mask1 = + vcombine_s16(vqrshrn_n_s32(m1_32, 2), vqrshrn_n_s32(m5_32, 2)); + mask2 = + vcombine_s16(vqrshrn_n_s32(m2_32, 2), vqrshrn_n_s32(m6_32, 2)); + mask3 = + vcombine_s16(vqrshrn_n_s32(m3_32, 2), vqrshrn_n_s32(m7_32, 2)); + + blend_8x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0, mask1, mask2, mask3, v_maxval, + vec_offset, vec_round_bits); + + w_tmp -= 8; + mask_tmp += 16; + dst_tmp += 8; + src0_tmp += 8; + src1_tmp += 8; + } while (w_tmp > 7); + i += 4; + mask_tmp += (8 * mask_stride) - (2 * w); + dst_tmp += (4 * dst_stride) - w; + src0_tmp += (4 * src0_stride) - w; + src1_tmp += (4 * src1_stride) - w; + } while (i < h); + } else { + do { + load_u8_8x8(mask_tmp, mask_stride, &mask0_l, &mask1_l, &mask2_l, + &mask3_l, &mask4_l, &mask5_l, &mask6_l, &mask7_l); + + mask0 = vreinterpretq_s16_u16(vaddl_u8(mask0_l, mask1_l)); + mask1 = vreinterpretq_s16_u16(vaddl_u8(mask2_l, mask3_l)); + mask2 = vreinterpretq_s16_u16(vaddl_u8(mask4_l, mask5_l)); + mask3 = vreinterpretq_s16_u16(vaddl_u8(mask6_l, mask7_l)); + + m0_32 = vpaddlq_s16(mask0); + m1_32 = vpaddlq_s16(mask1); + m2_32 = vpaddlq_s16(mask2); + m3_32 = vpaddlq_s16(mask3); + + mask0_low = vqrshrn_n_s32(m0_32, 2); + mask1_low = vqrshrn_n_s32(m1_32, 2); + mask2_low = vqrshrn_n_s32(m2_32, 2); + mask3_low = vqrshrn_n_s32(m3_32, 2); + + blend_4x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0_low, mask1_low, mask2_low, mask3_low, + v_maxval, vec_offset, vec_round_bits); + + i += 4; + mask_tmp += (8 * mask_stride); + dst_tmp += (4 * dst_stride); + src0_tmp += (4 * src0_stride); + src1_tmp += (4 * src1_stride); + } while (i < h); + } + } else if (subw == 1 && subh == 0) { + if (w_tmp > 7) { + do { + w_tmp = w; + do { + load_u8_16x4(mask_tmp, mask_stride, &t0, &t1, &t2, &t3); + + mask0 = vreinterpretq_s16_u16(vcombine_u16( + vpaddl_u8(vget_low_u8(t0)), vpaddl_u8(vget_high_u8(t0)))); + mask1 = vreinterpretq_s16_u16(vcombine_u16( + vpaddl_u8(vget_low_u8(t1)), vpaddl_u8(vget_high_u8(t1)))); + mask2 = vreinterpretq_s16_u16(vcombine_u16( + vpaddl_u8(vget_low_u8(t2)), vpaddl_u8(vget_high_u8(t2)))); + mask3 = vreinterpretq_s16_u16(vcombine_u16( + vpaddl_u8(vget_low_u8(t3)), vpaddl_u8(vget_high_u8(t3)))); + + mask0 = vmovl_s8(vqrshrn_n_s16(mask0, 1)); + mask1 = vmovl_s8(vqrshrn_n_s16(mask1, 1)); + mask2 = vmovl_s8(vqrshrn_n_s16(mask2, 1)); + mask3 = vmovl_s8(vqrshrn_n_s16(mask3, 1)); + + blend_8x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0, mask1, mask2, mask3, v_maxval, + vec_offset, vec_round_bits); + w_tmp -= 8; + mask_tmp += 16; + dst_tmp += 8; + src0_tmp += 8; + src1_tmp += 8; + } while (w_tmp > 7); + i += 4; + mask_tmp += (4 * mask_stride) - (2 * w); + dst_tmp += (4 * dst_stride) - w; + src0_tmp += (4 * src0_stride) - w; + src1_tmp += (4 * src1_stride) - w; + } while (i < h); + } else { + do { + load_u8_8x4(mask_tmp, mask_stride, &mask0_l, &mask1_l, &mask2_l, + &mask3_l); + + mask0 = + vreinterpretq_s16_u16(vcombine_u16(vpaddl_u8(mask0_l), vec_zero)); + mask1 = + vreinterpretq_s16_u16(vcombine_u16(vpaddl_u8(mask1_l), vec_zero)); + mask2 = + vreinterpretq_s16_u16(vcombine_u16(vpaddl_u8(mask2_l), vec_zero)); + mask3 = + vreinterpretq_s16_u16(vcombine_u16(vpaddl_u8(mask3_l), vec_zero)); + + mask0_low = vget_low_s16(vmovl_s8(vqrshrn_n_s16(mask0, 1))); + mask1_low = vget_low_s16(vmovl_s8(vqrshrn_n_s16(mask1, 1))); + mask2_low = vget_low_s16(vmovl_s8(vqrshrn_n_s16(mask2, 1))); + mask3_low = vget_low_s16(vmovl_s8(vqrshrn_n_s16(mask3, 1))); + + blend_4x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0_low, mask1_low, mask2_low, mask3_low, + v_maxval, vec_offset, vec_round_bits); + + i += 4; + mask_tmp += (4 * mask_stride); + dst_tmp += (4 * dst_stride); + src0_tmp += (4 * src0_stride); + src1_tmp += (4 * src1_stride); + } while (i < h); + } + } else { + if (w_tmp > 7) { + do { + w_tmp = w; + do { + load_u8_8x8(mask_tmp, mask_stride, &mask0_l, &mask1_l, &mask2_l, + &mask3_l, &mask4_l, &mask5_l, &mask6_l, &mask7_l); + + mask0 = vreinterpretq_s16_u16(vaddl_u8(mask0_l, mask1_l)); + mask1 = vreinterpretq_s16_u16(vaddl_u8(mask2_l, mask3_l)); + mask2 = vreinterpretq_s16_u16(vaddl_u8(mask4_l, mask5_l)); + mask3 = vreinterpretq_s16_u16(vaddl_u8(mask6_l, mask7_l)); + + mask0 = vmovl_s8(vqrshrn_n_s16(mask0, 1)); + mask1 = vmovl_s8(vqrshrn_n_s16(mask1, 1)); + mask2 = vmovl_s8(vqrshrn_n_s16(mask2, 1)); + mask3 = vmovl_s8(vqrshrn_n_s16(mask3, 1)); + + blend_8x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0, mask1, mask2, mask3, v_maxval, + vec_offset, vec_round_bits); + + w_tmp -= 8; + mask_tmp += 8; + dst_tmp += 8; + src0_tmp += 8; + src1_tmp += 8; + } while (w_tmp > 7); + i += 4; + mask_tmp += (8 * mask_stride) - w; + dst_tmp += (4 * dst_stride) - w; + src0_tmp += (4 * src0_stride) - w; + src1_tmp += (4 * src1_stride) - w; + } while (i < h); + } else { + do { + load_unaligned_u8_4x4(mask_tmp, 2 * mask_stride, &tu0, &tu1); + load_unaligned_u8_4x4(mask_tmp + mask_stride, 2 * mask_stride, &tu2, + &tu3); + + s0 = vreinterpret_u8_u32(tu0); + s1 = vreinterpret_u8_u32(tu1); + s2 = vreinterpret_u8_u32(tu2); + s3 = vreinterpret_u8_u32(tu3); + + mask0 = vreinterpretq_s16_u16(vaddl_u8(s0, s2)); + mask1 = vreinterpretq_s16_u16(vaddl_u8(s1, s3)); + + mask0 = vmovl_s8(vqrshrn_n_s16(mask0, 1)); + mask1 = vmovl_s8(vqrshrn_n_s16(mask1, 1)); + + mask0_low = vget_low_s16(mask0); + mask1_low = vget_high_s16(mask0); + mask2_low = vget_low_s16(mask1); + mask3_low = vget_high_s16(mask1); + + blend_4x4(dst_tmp, dst_stride, src0_tmp, src0_stride, src1_tmp, + src1_stride, mask0_low, mask1_low, mask2_low, mask3_low, + v_maxval, vec_offset, vec_round_bits); + + i += 4; + mask_tmp += (8 * mask_stride); + dst_tmp += (4 * dst_stride); + src0_tmp += (4 * src0_stride); + src1_tmp += (4 * src1_stride); + } while (i < h); + } + } +} |