| /* |
| * Copyright (c) 2014 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_ports/arm.h" |
| |
| #ifdef VPX_INCOMPATIBLE_GCC |
| static INLINE void write_2x4(unsigned char *dst, int pitch, |
| const uint8x8x2_t result) { |
| /* |
| * uint8x8x2_t result |
| 00 01 02 03 | 04 05 06 07 |
| 10 11 12 13 | 14 15 16 17 |
| --- |
| * after vtrn_u8 |
| 00 10 02 12 | 04 14 06 16 |
| 01 11 03 13 | 05 15 07 17 |
| */ |
| const uint8x8x2_t r01_u8 = vtrn_u8(result.val[0], |
| result.val[1]); |
| const uint16x4_t x_0_4 = vreinterpret_u16_u8(r01_u8.val[0]); |
| const uint16x4_t x_1_5 = vreinterpret_u16_u8(r01_u8.val[1]); |
| vst1_lane_u16((uint16_t *)dst, x_0_4, 0); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_1_5, 0); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_0_4, 1); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_1_5, 1); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_0_4, 2); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_1_5, 2); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_0_4, 3); |
| dst += pitch; |
| vst1_lane_u16((uint16_t *)dst, x_1_5, 3); |
| } |
| |
| static INLINE void write_2x8(unsigned char *dst, int pitch, |
| const uint8x8x2_t result, |
| const uint8x8x2_t result2) { |
| write_2x4(dst, pitch, result); |
| dst += pitch * 8; |
| write_2x4(dst, pitch, result2); |
| } |
| #else |
| static INLINE void write_2x8(unsigned char *dst, int pitch, |
| const uint8x8x2_t result, |
| const uint8x8x2_t result2) { |
| vst2_lane_u8(dst, result, 0); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 1); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 2); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 3); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 4); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 5); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 6); |
| dst += pitch; |
| vst2_lane_u8(dst, result, 7); |
| dst += pitch; |
| |
| vst2_lane_u8(dst, result2, 0); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 1); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 2); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 3); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 4); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 5); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 6); |
| dst += pitch; |
| vst2_lane_u8(dst, result2, 7); |
| } |
| #endif // VPX_INCOMPATIBLE_GCC |
| |
| |
| #ifdef VPX_INCOMPATIBLE_GCC |
| static INLINE |
| uint8x8x4_t read_4x8(unsigned char *src, int pitch) { |
| uint8x8x4_t x; |
| const uint8x8_t a = vld1_u8(src); |
| const uint8x8_t b = vld1_u8(src + pitch * 1); |
| const uint8x8_t c = vld1_u8(src + pitch * 2); |
| const uint8x8_t d = vld1_u8(src + pitch * 3); |
| const uint8x8_t e = vld1_u8(src + pitch * 4); |
| const uint8x8_t f = vld1_u8(src + pitch * 5); |
| const uint8x8_t g = vld1_u8(src + pitch * 6); |
| const uint8x8_t h = vld1_u8(src + pitch * 7); |
| const uint32x2x2_t r04_u32 = vtrn_u32(vreinterpret_u32_u8(a), |
| vreinterpret_u32_u8(e)); |
| const uint32x2x2_t r15_u32 = vtrn_u32(vreinterpret_u32_u8(b), |
| vreinterpret_u32_u8(f)); |
| const uint32x2x2_t r26_u32 = vtrn_u32(vreinterpret_u32_u8(c), |
| vreinterpret_u32_u8(g)); |
| const uint32x2x2_t r37_u32 = vtrn_u32(vreinterpret_u32_u8(d), |
| vreinterpret_u32_u8(h)); |
| const uint16x4x2_t r02_u16 = vtrn_u16(vreinterpret_u16_u32(r04_u32.val[0]), |
| vreinterpret_u16_u32(r26_u32.val[0])); |
| const uint16x4x2_t r13_u16 = vtrn_u16(vreinterpret_u16_u32(r15_u32.val[0]), |
| vreinterpret_u16_u32(r37_u32.val[0])); |
| const uint8x8x2_t r01_u8 = vtrn_u8(vreinterpret_u8_u16(r02_u16.val[0]), |
| vreinterpret_u8_u16(r13_u16.val[0])); |
| const uint8x8x2_t r23_u8 = vtrn_u8(vreinterpret_u8_u16(r02_u16.val[1]), |
| vreinterpret_u8_u16(r13_u16.val[1])); |
| /* |
| * after vtrn_u32 |
| 00 01 02 03 | 40 41 42 43 |
| 10 11 12 13 | 50 51 52 53 |
| 20 21 22 23 | 60 61 62 63 |
| 30 31 32 33 | 70 71 72 73 |
| --- |
| * after vtrn_u16 |
| 00 01 20 21 | 40 41 60 61 |
| 02 03 22 23 | 42 43 62 63 |
| 10 11 30 31 | 50 51 70 71 |
| 12 13 32 33 | 52 52 72 73 |
| |
| 00 01 20 21 | 40 41 60 61 |
| 10 11 30 31 | 50 51 70 71 |
| 02 03 22 23 | 42 43 62 63 |
| 12 13 32 33 | 52 52 72 73 |
| --- |
| * after vtrn_u8 |
| 00 10 20 30 | 40 50 60 70 |
| 01 11 21 31 | 41 51 61 71 |
| 02 12 22 32 | 42 52 62 72 |
| 03 13 23 33 | 43 53 63 73 |
| */ |
| x.val[0] = r01_u8.val[0]; |
| x.val[1] = r01_u8.val[1]; |
| x.val[2] = r23_u8.val[0]; |
| x.val[3] = r23_u8.val[1]; |
| |
| return x; |
| } |
| #else |
| static INLINE |
| uint8x8x4_t read_4x8(unsigned char *src, int pitch) { |
| uint8x8x4_t x; |
| x.val[0] = x.val[1] = x.val[2] = x.val[3] = vdup_n_u8(0); |
| x = vld4_lane_u8(src, x, 0); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 1); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 2); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 3); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 4); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 5); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 6); |
| src += pitch; |
| x = vld4_lane_u8(src, x, 7); |
| return x; |
| } |
| #endif // VPX_INCOMPATIBLE_GCC |
| |
| static INLINE void vp8_loop_filter_simple_vertical_edge_neon( |
| unsigned char *s, |
| int p, |
| const unsigned char *blimit) { |
| unsigned char *src1; |
| uint8x16_t qblimit, q0u8; |
| uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8, q11u8, q12u8, q14u8, q15u8; |
| int16x8_t q2s16, q13s16, q11s16; |
| int8x8_t d28s8, d29s8; |
| int8x16_t q2s8, q3s8, q10s8, q11s8, q14s8; |
| uint8x8x4_t d0u8x4; // d6, d7, d8, d9 |
| uint8x8x4_t d1u8x4; // d10, d11, d12, d13 |
| uint8x8x2_t d2u8x2; // d12, d13 |
| uint8x8x2_t d3u8x2; // d14, d15 |
| |
| qblimit = vdupq_n_u8(*blimit); |
| |
| src1 = s - 2; |
| d0u8x4 = read_4x8(src1, p); |
| src1 += p * 8; |
| d1u8x4 = read_4x8(src1, p); |
| |
| q3u8 = vcombine_u8(d0u8x4.val[0], d1u8x4.val[0]); // d6 d10 |
| q4u8 = vcombine_u8(d0u8x4.val[2], d1u8x4.val[2]); // d8 d12 |
| q5u8 = vcombine_u8(d0u8x4.val[1], d1u8x4.val[1]); // d7 d11 |
| q6u8 = vcombine_u8(d0u8x4.val[3], d1u8x4.val[3]); // d9 d13 |
| |
| q15u8 = vabdq_u8(q5u8, q4u8); |
| q14u8 = vabdq_u8(q3u8, q6u8); |
| |
| q15u8 = vqaddq_u8(q15u8, q15u8); |
| q14u8 = vshrq_n_u8(q14u8, 1); |
| q0u8 = vdupq_n_u8(0x80); |
| q11s16 = vdupq_n_s16(3); |
| q15u8 = vqaddq_u8(q15u8, q14u8); |
| |
| q3u8 = veorq_u8(q3u8, q0u8); |
| q4u8 = veorq_u8(q4u8, q0u8); |
| q5u8 = veorq_u8(q5u8, q0u8); |
| q6u8 = veorq_u8(q6u8, q0u8); |
| |
| q15u8 = vcgeq_u8(qblimit, q15u8); |
| |
| q2s16 = vsubl_s8(vget_low_s8(vreinterpretq_s8_u8(q4u8)), |
| vget_low_s8(vreinterpretq_s8_u8(q5u8))); |
| q13s16 = vsubl_s8(vget_high_s8(vreinterpretq_s8_u8(q4u8)), |
| vget_high_s8(vreinterpretq_s8_u8(q5u8))); |
| |
| q14s8 = vqsubq_s8(vreinterpretq_s8_u8(q3u8), |
| vreinterpretq_s8_u8(q6u8)); |
| |
| q2s16 = vmulq_s16(q2s16, q11s16); |
| q13s16 = vmulq_s16(q13s16, q11s16); |
| |
| q11u8 = vdupq_n_u8(3); |
| q12u8 = vdupq_n_u8(4); |
| |
| q2s16 = vaddw_s8(q2s16, vget_low_s8(q14s8)); |
| q13s16 = vaddw_s8(q13s16, vget_high_s8(q14s8)); |
| |
| d28s8 = vqmovn_s16(q2s16); |
| d29s8 = vqmovn_s16(q13s16); |
| q14s8 = vcombine_s8(d28s8, d29s8); |
| |
| q14s8 = vandq_s8(q14s8, vreinterpretq_s8_u8(q15u8)); |
| |
| q2s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q11u8)); |
| q3s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q12u8)); |
| q2s8 = vshrq_n_s8(q2s8, 3); |
| q14s8 = vshrq_n_s8(q3s8, 3); |
| |
| q11s8 = vqaddq_s8(vreinterpretq_s8_u8(q5u8), q2s8); |
| q10s8 = vqsubq_s8(vreinterpretq_s8_u8(q4u8), q14s8); |
| |
| q6u8 = veorq_u8(vreinterpretq_u8_s8(q11s8), q0u8); |
| q7u8 = veorq_u8(vreinterpretq_u8_s8(q10s8), q0u8); |
| |
| d2u8x2.val[0] = vget_low_u8(q6u8); // d12 |
| d2u8x2.val[1] = vget_low_u8(q7u8); // d14 |
| d3u8x2.val[0] = vget_high_u8(q6u8); // d13 |
| d3u8x2.val[1] = vget_high_u8(q7u8); // d15 |
| |
| src1 = s - 1; |
| write_2x8(src1, p, d2u8x2, d3u8x2); |
| } |
| |
| void vp8_loop_filter_bvs_neon( |
| unsigned char *y_ptr, |
| int y_stride, |
| const unsigned char *blimit) { |
| y_ptr += 4; |
| vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit); |
| y_ptr += 4; |
| vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit); |
| y_ptr += 4; |
| vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit); |
| return; |
| } |
| |
| void vp8_loop_filter_mbvs_neon( |
| unsigned char *y_ptr, |
| int y_stride, |
| const unsigned char *blimit) { |
| vp8_loop_filter_simple_vertical_edge_neon(y_ptr, y_stride, blimit); |
| return; |
| } |