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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/av1/common/arm/highbd_compound_convolve_neon.h | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/arm/highbd_compound_convolve_neon.h b/third_party/aom/av1/common/arm/highbd_compound_convolve_neon.h new file mode 100644 index 0000000000..c9344f3adf --- /dev/null +++ b/third_party/aom/av1/common/arm/highbd_compound_convolve_neon.h @@ -0,0 +1,293 @@ +/* + * Copyright (c) 2024, 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 <assert.h> +#include <arm_neon.h> + +#include "config/aom_config.h" +#include "config/av1_rtcd.h" + +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/arm/mem_neon.h" +#include "aom_ports/mem.h" + +#define ROUND_SHIFT 2 * FILTER_BITS - ROUND0_BITS - COMPOUND_ROUND1_BITS + +static INLINE void highbd_12_comp_avg_neon(const uint16_t *src_ptr, + int src_stride, uint16_t *dst_ptr, + int dst_stride, int w, int h, + ConvolveParams *conv_params) { + const int offset_bits = 12 + 2 * FILTER_BITS - ROUND0_BITS - 2; + const int offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); + + CONV_BUF_TYPE *ref_ptr = conv_params->dst; + const int ref_stride = conv_params->dst_stride; + const uint16x4_t offset_vec = vdup_n_u16((uint16_t)offset); + const uint16x8_t max = vdupq_n_u16((1 << 12) - 1); + + if (w == 4) { + do { + const uint16x4_t src = vld1_u16(src_ptr); + const uint16x4_t ref = vld1_u16(ref_ptr); + + uint16x4_t avg = vhadd_u16(src, ref); + int32x4_t d0 = vreinterpretq_s32_u32(vsubl_u16(avg, offset_vec)); + + uint16x4_t d0_u16 = vqrshrun_n_s32(d0, ROUND_SHIFT - 2); + d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); + + vst1_u16(dst_ptr, d0_u16); + + src_ptr += src_stride; + ref_ptr += ref_stride; + dst_ptr += dst_stride; + } while (--h != 0); + } else { + do { + int width = w; + const uint16_t *src = src_ptr; + const uint16_t *ref = ref_ptr; + uint16_t *dst = dst_ptr; + do { + const uint16x8_t s = vld1q_u16(src); + const uint16x8_t r = vld1q_u16(ref); + + uint16x8_t avg = vhaddq_u16(s, r); + int32x4_t d0_lo = + vreinterpretq_s32_u32(vsubl_u16(vget_low_u16(avg), offset_vec)); + int32x4_t d0_hi = + vreinterpretq_s32_u32(vsubl_u16(vget_high_u16(avg), offset_vec)); + + uint16x8_t d0 = vcombine_u16(vqrshrun_n_s32(d0_lo, ROUND_SHIFT - 2), + vqrshrun_n_s32(d0_hi, ROUND_SHIFT - 2)); + d0 = vminq_u16(d0, max); + vst1q_u16(dst, d0); + + src += 8; + ref += 8; + dst += 8; + width -= 8; + } while (width != 0); + + src_ptr += src_stride; + ref_ptr += ref_stride; + dst_ptr += dst_stride; + } while (--h != 0); + } +} + +static INLINE void highbd_comp_avg_neon(const uint16_t *src_ptr, int src_stride, + uint16_t *dst_ptr, int dst_stride, + int w, int h, + ConvolveParams *conv_params, + const int bd) { + const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; + const int offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); + + CONV_BUF_TYPE *ref_ptr = conv_params->dst; + const int ref_stride = conv_params->dst_stride; + const uint16x4_t offset_vec = vdup_n_u16((uint16_t)offset); + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + + if (w == 4) { + do { + const uint16x4_t src = vld1_u16(src_ptr); + const uint16x4_t ref = vld1_u16(ref_ptr); + + uint16x4_t avg = vhadd_u16(src, ref); + int32x4_t d0 = vreinterpretq_s32_u32(vsubl_u16(avg, offset_vec)); + + uint16x4_t d0_u16 = vqrshrun_n_s32(d0, ROUND_SHIFT); + d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); + + vst1_u16(dst_ptr, d0_u16); + + src_ptr += src_stride; + ref_ptr += ref_stride; + dst_ptr += dst_stride; + } while (--h != 0); + } else { + do { + int width = w; + const uint16_t *src = src_ptr; + const uint16_t *ref = ref_ptr; + uint16_t *dst = dst_ptr; + do { + const uint16x8_t s = vld1q_u16(src); + const uint16x8_t r = vld1q_u16(ref); + + uint16x8_t avg = vhaddq_u16(s, r); + int32x4_t d0_lo = + vreinterpretq_s32_u32(vsubl_u16(vget_low_u16(avg), offset_vec)); + int32x4_t d0_hi = + vreinterpretq_s32_u32(vsubl_u16(vget_high_u16(avg), offset_vec)); + + uint16x8_t d0 = vcombine_u16(vqrshrun_n_s32(d0_lo, ROUND_SHIFT), + vqrshrun_n_s32(d0_hi, ROUND_SHIFT)); + d0 = vminq_u16(d0, max); + vst1q_u16(dst, d0); + + src += 8; + ref += 8; + dst += 8; + width -= 8; + } while (width != 0); + + src_ptr += src_stride; + ref_ptr += ref_stride; + dst_ptr += dst_stride; + } while (--h != 0); + } +} + +static INLINE void highbd_12_dist_wtd_comp_avg_neon( + const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, + int w, int h, ConvolveParams *conv_params) { + const int offset_bits = 12 + 2 * FILTER_BITS - ROUND0_BITS - 2; + const int offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); + + CONV_BUF_TYPE *ref_ptr = conv_params->dst; + const int ref_stride = conv_params->dst_stride; + const uint32x4_t offset_vec = vdupq_n_u32(offset); + const uint16x8_t max = vdupq_n_u16((1 << 12) - 1); + uint16x4_t fwd_offset = vdup_n_u16(conv_params->fwd_offset); + uint16x4_t bck_offset = vdup_n_u16(conv_params->bck_offset); + + // Weighted averaging + if (w == 4) { + do { + const uint16x4_t src = vld1_u16(src_ptr); + const uint16x4_t ref = vld1_u16(ref_ptr); + + uint32x4_t wtd_avg = vmull_u16(ref, fwd_offset); + wtd_avg = vmlal_u16(wtd_avg, src, bck_offset); + wtd_avg = vshrq_n_u32(wtd_avg, DIST_PRECISION_BITS); + int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg, offset_vec)); + + uint16x4_t d0_u16 = vqrshrun_n_s32(d0, ROUND_SHIFT - 2); + d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); + + vst1_u16(dst_ptr, d0_u16); + + src_ptr += src_stride; + dst_ptr += dst_stride; + ref_ptr += ref_stride; + } while (--h != 0); + } else { + do { + int width = w; + const uint16_t *src = src_ptr; + const uint16_t *ref = ref_ptr; + uint16_t *dst = dst_ptr; + do { + const uint16x8_t s = vld1q_u16(src); + const uint16x8_t r = vld1q_u16(ref); + + uint32x4_t wtd_avg0 = vmull_u16(vget_low_u16(r), fwd_offset); + wtd_avg0 = vmlal_u16(wtd_avg0, vget_low_u16(s), bck_offset); + wtd_avg0 = vshrq_n_u32(wtd_avg0, DIST_PRECISION_BITS); + int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg0, offset_vec)); + + uint32x4_t wtd_avg1 = vmull_u16(vget_high_u16(r), fwd_offset); + wtd_avg1 = vmlal_u16(wtd_avg1, vget_high_u16(s), bck_offset); + wtd_avg1 = vshrq_n_u32(wtd_avg1, DIST_PRECISION_BITS); + int32x4_t d1 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg1, offset_vec)); + + uint16x8_t d01 = vcombine_u16(vqrshrun_n_s32(d0, ROUND_SHIFT - 2), + vqrshrun_n_s32(d1, ROUND_SHIFT - 2)); + d01 = vminq_u16(d01, max); + vst1q_u16(dst, d01); + + src += 8; + ref += 8; + dst += 8; + width -= 8; + } while (width != 0); + src_ptr += src_stride; + dst_ptr += dst_stride; + ref_ptr += ref_stride; + } while (--h != 0); + } +} + +static INLINE void highbd_dist_wtd_comp_avg_neon( + const uint16_t *src_ptr, int src_stride, uint16_t *dst_ptr, int dst_stride, + int w, int h, ConvolveParams *conv_params, const int bd) { + const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; + const int offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); + + CONV_BUF_TYPE *ref_ptr = conv_params->dst; + const int ref_stride = conv_params->dst_stride; + const uint32x4_t offset_vec = vdupq_n_u32(offset); + const uint16x8_t max = vdupq_n_u16((1 << bd) - 1); + uint16x4_t fwd_offset = vdup_n_u16(conv_params->fwd_offset); + uint16x4_t bck_offset = vdup_n_u16(conv_params->bck_offset); + + // Weighted averaging + if (w == 4) { + do { + const uint16x4_t src = vld1_u16(src_ptr); + const uint16x4_t ref = vld1_u16(ref_ptr); + + uint32x4_t wtd_avg = vmull_u16(ref, fwd_offset); + wtd_avg = vmlal_u16(wtd_avg, src, bck_offset); + wtd_avg = vshrq_n_u32(wtd_avg, DIST_PRECISION_BITS); + int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg, offset_vec)); + + uint16x4_t d0_u16 = vqrshrun_n_s32(d0, ROUND_SHIFT); + d0_u16 = vmin_u16(d0_u16, vget_low_u16(max)); + + vst1_u16(dst_ptr, d0_u16); + + src_ptr += src_stride; + dst_ptr += dst_stride; + ref_ptr += ref_stride; + } while (--h != 0); + } else { + do { + int width = w; + const uint16_t *src = src_ptr; + const uint16_t *ref = ref_ptr; + uint16_t *dst = dst_ptr; + do { + const uint16x8_t s = vld1q_u16(src); + const uint16x8_t r = vld1q_u16(ref); + + uint32x4_t wtd_avg0 = vmull_u16(vget_low_u16(r), fwd_offset); + wtd_avg0 = vmlal_u16(wtd_avg0, vget_low_u16(s), bck_offset); + wtd_avg0 = vshrq_n_u32(wtd_avg0, DIST_PRECISION_BITS); + int32x4_t d0 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg0, offset_vec)); + + uint32x4_t wtd_avg1 = vmull_u16(vget_high_u16(r), fwd_offset); + wtd_avg1 = vmlal_u16(wtd_avg1, vget_high_u16(s), bck_offset); + wtd_avg1 = vshrq_n_u32(wtd_avg1, DIST_PRECISION_BITS); + int32x4_t d1 = vreinterpretq_s32_u32(vsubq_u32(wtd_avg1, offset_vec)); + + uint16x8_t d01 = vcombine_u16(vqrshrun_n_s32(d0, ROUND_SHIFT), + vqrshrun_n_s32(d1, ROUND_SHIFT)); + d01 = vminq_u16(d01, max); + vst1q_u16(dst, d01); + + src += 8; + ref += 8; + dst += 8; + width -= 8; + } while (width != 0); + src_ptr += src_stride; + dst_ptr += dst_stride; + ref_ptr += ref_stride; + } while (--h != 0); + } +} |