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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c | 492 |
1 files changed, 492 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c b/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c new file mode 100644 index 0000000000..1bc3b80310 --- /dev/null +++ b/third_party/aom/aom_dsp/arm/blend_a64_mask_neon.c @@ -0,0 +1,492 @@ +/* + * 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 "config/aom_dsp_rtcd.h" + +#include "aom/aom_integer.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/arm/blend_neon.h" +#include "aom_dsp/arm/mem_neon.h" +#include "aom_dsp/blend.h" + +uint8x8_t alpha_blend_a64_d16_u16x8(uint16x8_t m, uint16x8_t a, uint16x8_t b, + uint16x8_t round_offset) { + const uint16x8_t m_inv = vsubq_u16(vdupq_n_u16(AOM_BLEND_A64_MAX_ALPHA), m); + + uint32x4_t blend_u32_lo = vmull_u16(vget_low_u16(m), vget_low_u16(a)); + uint32x4_t blend_u32_hi = vmull_u16(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 = vshrn_n_u32(blend_u32_lo, AOM_BLEND_A64_ROUND_BITS); + uint16x4_t blend_u16_hi = vshrn_n_u32(blend_u32_hi, AOM_BLEND_A64_ROUND_BITS); + + uint16x8_t res = vcombine_u16(blend_u16_lo, blend_u16_hi); + + res = vqsubq_u16(res, round_offset); + + return vqrshrn_n_u16(res, + 2 * FILTER_BITS - ROUND0_BITS - COMPOUND_ROUND1_BITS); +} + +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) { + (void)conv_params; + + const int bd = 8; + const int offset_bits = bd + 2 * FILTER_BITS - ROUND0_BITS; + const int round_offset = (1 << (offset_bits - COMPOUND_ROUND1_BITS)) + + (1 << (offset_bits - COMPOUND_ROUND1_BITS - 1)); + const uint16x8_t offset_vec = vdupq_n_u16(round_offset); + + 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)); + + if (subw == 0 && 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); + + uint8x8_t blend = alpha_blend_a64_d16_u16x8(m0, s0, s1, offset_vec); + + vst1_u8(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); + + uint8x8_t blend = alpha_blend_a64_d16_u16x8(m0, s0, s1, offset_vec); + + store_u8x4_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 == 1 && 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)); + + uint8x8_t blend = + alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + vst1_u8(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)); + uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + store_u8x4_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)); + uint8x8_t blend = + alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + vst1_u8(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)); + uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + store_u8x4_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)); + uint8x8_t blend = + alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + vst1_u8(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)); + uint8x8_t blend = alpha_blend_a64_d16_u16x8(m_avg, s0, s1, offset_vec); + + store_u8x4_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); + } + } +} + +void aom_blend_a64_mask_neon(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, + int h, int subw, int subh) { + 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)); + + if ((subw | subh) == 0) { + if (w > 8) { + do { + int i = 0; + do { + uint8x16_t m0 = vld1q_u8(mask + i); + uint8x16_t s0 = vld1q_u8(src0 + i); + uint8x16_t s1 = vld1q_u8(src1 + i); + + uint8x16_t blend = alpha_blend_a64_u8x16(m0, s0, s1); + + vst1q_u8(dst + i, blend); + i += 16; + } while (i < w); + + mask += mask_stride; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 8) { + do { + uint8x8_t m0 = vld1_u8(mask); + uint8x8_t s0 = vld1_u8(src0); + uint8x8_t s1 = vld1_u8(src1); + + uint8x8_t blend = alpha_blend_a64_u8x8(m0, s0, s1); + + vst1_u8(dst, blend); + + mask += mask_stride; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else { + do { + uint8x8_t m0 = load_unaligned_u8_4x2(mask, mask_stride); + uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride); + + uint8x8_t blend = alpha_blend_a64_u8x8(m0, s0, s1); + + store_u8x4_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); + uint8x16_t m2 = vld1q_u8(mask + 0 * mask_stride + 2 * i + 16); + uint8x16_t m3 = vld1q_u8(mask + 1 * mask_stride + 2 * i + 16); + uint8x16_t s0 = vld1q_u8(src0 + i); + uint8x16_t s1 = vld1q_u8(src1 + i); + + uint8x16_t m_avg = avg_blend_pairwise_u8x16_4(m0, m1, m2, m3); + uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1); + + vst1q_u8(dst + i, blend); + + i += 16; + } while (i < w); + + mask += 2 * mask_stride; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 8) { + 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 + 0 * mask_stride + 8); + uint8x8_t m3 = vld1_u8(mask + 1 * mask_stride + 8); + uint8x8_t s0 = vld1_u8(src0); + uint8x8_t s1 = vld1_u8(src1); + + uint8x8_t m_avg = avg_blend_pairwise_u8x8_4(m0, m1, m2, m3); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + vst1_u8(dst, blend); + + 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); + uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride); + + uint8x8_t m_avg = avg_blend_pairwise_u8x8_4(m0, m1, m2, m3); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + store_u8x4_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 { + uint8x16_t m0 = vld1q_u8(mask + 2 * i); + uint8x16_t m1 = vld1q_u8(mask + 2 * i + 16); + uint8x16_t s0 = vld1q_u8(src0 + i); + uint8x16_t s1 = vld1q_u8(src1 + i); + + uint8x16_t m_avg = avg_blend_pairwise_u8x16(m0, m1); + uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1); + + vst1q_u8(dst + i, blend); + + i += 16; + } while (i < w); + + mask += mask_stride; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 8) { + do { + uint8x8_t m0 = vld1_u8(mask); + uint8x8_t m1 = vld1_u8(mask + 8); + uint8x8_t s0 = vld1_u8(src0); + uint8x8_t s1 = vld1_u8(src1); + + uint8x8_t m_avg = avg_blend_pairwise_u8x8(m0, m1); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + vst1_u8(dst, blend); + + 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); + uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride); + + uint8x8_t m_avg = avg_blend_pairwise_u8x8(m0, m1); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + store_u8x4_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 { + uint8x16_t m0 = vld1q_u8(mask + 0 * mask_stride + i); + uint8x16_t m1 = vld1q_u8(mask + 1 * mask_stride + i); + uint8x16_t s0 = vld1q_u8(src0 + i); + uint8x16_t s1 = vld1q_u8(src1 + i); + + uint8x16_t m_avg = avg_blend_u8x16(m0, m1); + uint8x16_t blend = alpha_blend_a64_u8x16(m_avg, s0, s1); + + vst1q_u8(dst + i, blend); + + i += 16; + } while (i < w); + + mask += 2 * mask_stride; + src0 += src0_stride; + src1 += src1_stride; + dst += dst_stride; + } while (--h != 0); + } else if (w == 8) { + do { + uint8x8_t m0 = vld1_u8(mask + 0 * mask_stride); + uint8x8_t m1 = vld1_u8(mask + 1 * mask_stride); + uint8x8_t s0 = vld1_u8(src0); + uint8x8_t s1 = vld1_u8(src1); + + uint8x8_t m_avg = avg_blend_u8x8(m0, m1); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + vst1_u8(dst, blend); + + 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); + uint8x8_t s0 = load_unaligned_u8_4x2(src0, src0_stride); + uint8x8_t s1 = load_unaligned_u8_4x2(src1, src1_stride); + + uint8x8_t m_avg = avg_blend_u8x8(m0_2, m1_3); + uint8x8_t blend = alpha_blend_a64_u8x8(m_avg, s0, s1); + + store_u8x4_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); + } + } +} |