ref: 8caabd077a94641c29d7c18204644537ec0c2470
dir: /vpx_dsp/x86/highbd_idct16x16_add_sse2.c/
/* * Copyright (c) 2015 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 <emmintrin.h> // SSE2 #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/x86/highbd_inv_txfm_sse2.h" #include "vpx_dsp/x86/inv_txfm_sse2.h" #include "vpx_dsp/x86/transpose_sse2.h" #include "vpx_dsp/x86/txfm_common_sse2.h" static INLINE void highbd_idct16_4col_stage5(const __m128i *const in, __m128i *const out) { // stage 5 out[0] = _mm_add_epi32(in[0], in[3]); out[1] = _mm_add_epi32(in[1], in[2]); out[2] = _mm_sub_epi32(in[1], in[2]); out[3] = _mm_sub_epi32(in[0], in[3]); highbd_butterfly_cospi16_sse2(in[6], in[5], &out[6], &out[5]); out[8] = _mm_add_epi32(in[8], in[11]); out[9] = _mm_add_epi32(in[9], in[10]); out[10] = _mm_sub_epi32(in[9], in[10]); out[11] = _mm_sub_epi32(in[8], in[11]); out[12] = _mm_sub_epi32(in[15], in[12]); out[13] = _mm_sub_epi32(in[14], in[13]); out[14] = _mm_add_epi32(in[14], in[13]); out[15] = _mm_add_epi32(in[15], in[12]); } static INLINE void highbd_idct16_4col_stage6(const __m128i *const in, __m128i *const out) { out[0] = _mm_add_epi32(in[0], in[7]); out[1] = _mm_add_epi32(in[1], in[6]); out[2] = _mm_add_epi32(in[2], in[5]); out[3] = _mm_add_epi32(in[3], in[4]); out[4] = _mm_sub_epi32(in[3], in[4]); out[5] = _mm_sub_epi32(in[2], in[5]); out[6] = _mm_sub_epi32(in[1], in[6]); out[7] = _mm_sub_epi32(in[0], in[7]); out[8] = in[8]; out[9] = in[9]; highbd_butterfly_cospi16_sse2(in[13], in[10], &out[13], &out[10]); highbd_butterfly_cospi16_sse2(in[12], in[11], &out[12], &out[11]); out[14] = in[14]; out[15] = in[15]; } static INLINE void highbd_idct16_4col(__m128i *const io /*io[16]*/) { __m128i step1[16], step2[16]; // stage 2 highbd_butterfly_sse2(io[1], io[15], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_butterfly_sse2(io[9], io[7], cospi_14_64, cospi_18_64, &step2[9], &step2[14]); highbd_butterfly_sse2(io[5], io[11], cospi_22_64, cospi_10_64, &step2[10], &step2[13]); highbd_butterfly_sse2(io[13], io[3], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 highbd_butterfly_sse2(io[2], io[14], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); highbd_butterfly_sse2(io[10], io[6], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); step1[8] = _mm_add_epi32(step2[8], step2[9]); step1[9] = _mm_sub_epi32(step2[8], step2[9]); step1[10] = _mm_sub_epi32(step2[10], step2[11]); // step1[10] = -step1[10] step1[11] = _mm_add_epi32(step2[10], step2[11]); step1[12] = _mm_add_epi32(step2[13], step2[12]); step1[13] = _mm_sub_epi32(step2[13], step2[12]); // step1[13] = -step1[13] step1[14] = _mm_sub_epi32(step2[15], step2[14]); step1[15] = _mm_add_epi32(step2[15], step2[14]); // stage 4 highbd_butterfly_cospi16_sse2(io[0], io[8], &step2[0], &step2[1]); highbd_butterfly_sse2(io[4], io[12], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); highbd_butterfly_sse2(step1[14], step1[9], cospi_24_64, cospi_8_64, &step2[9], &step2[14]); highbd_butterfly_sse2(step1[10], step1[13], cospi_8_64, cospi_24_64, &step2[13], &step2[10]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step1[4] = _mm_add_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step1[7] = _mm_add_epi32(step1[7], step1[6]); step2[8] = step1[8]; step2[11] = step1[11]; step2[12] = step1[12]; step2[15] = step1[15]; highbd_idct16_4col_stage5(step2, step1); highbd_idct16_4col_stage6(step1, step2); highbd_idct16_4col_stage7(step2, io); } static INLINE void highbd_idct16x16_38_4col(__m128i *const io /*io[16]*/) { __m128i step1[16], step2[16]; __m128i temp1[2], sign[2]; // stage 2 highbd_partial_butterfly_sse2(io[1], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_partial_butterfly_neg_sse2(io[7], cospi_14_64, cospi_18_64, &step2[9], &step2[14]); highbd_partial_butterfly_sse2(io[5], cospi_22_64, cospi_10_64, &step2[10], &step2[13]); highbd_partial_butterfly_neg_sse2(io[3], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 highbd_partial_butterfly_sse2(io[2], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); highbd_partial_butterfly_neg_sse2(io[6], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); step1[8] = _mm_add_epi32(step2[8], step2[9]); step1[9] = _mm_sub_epi32(step2[8], step2[9]); step1[10] = _mm_sub_epi32(step2[10], step2[11]); // step1[10] = -step1[10] step1[11] = _mm_add_epi32(step2[10], step2[11]); step1[12] = _mm_add_epi32(step2[13], step2[12]); step1[13] = _mm_sub_epi32(step2[13], step2[12]); // step1[13] = -step1[13] step1[14] = _mm_sub_epi32(step2[15], step2[14]); step1[15] = _mm_add_epi32(step2[15], step2[14]); // stage 4 abs_extend_64bit_sse2(io[0], temp1, sign); step2[0] = multiplication_round_shift_sse2(temp1, sign, cospi_16_64); step2[1] = step2[0]; highbd_partial_butterfly_sse2(io[4], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); highbd_butterfly_sse2(step1[14], step1[9], cospi_24_64, cospi_8_64, &step2[9], &step2[14]); highbd_butterfly_sse2(step1[10], step1[13], cospi_8_64, cospi_24_64, &step2[13], &step2[10]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step1[4] = _mm_add_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step1[7] = _mm_add_epi32(step1[7], step1[6]); step2[8] = step1[8]; step2[11] = step1[11]; step2[12] = step1[12]; step2[15] = step1[15]; highbd_idct16_4col_stage5(step2, step1); highbd_idct16_4col_stage6(step1, step2); highbd_idct16_4col_stage7(step2, io); } static INLINE void highbd_idct16x16_10_4col(__m128i *const io /*io[16]*/) { __m128i step1[16], step2[16]; __m128i temp[2], sign[2]; // stage 2 highbd_partial_butterfly_sse2(io[1], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_partial_butterfly_neg_sse2(io[3], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 highbd_partial_butterfly_sse2(io[2], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); step1[8] = step2[8]; step1[9] = step2[8]; step1[10] = _mm_sub_epi32(_mm_setzero_si128(), step2[11]); // step1[10] = -step1[10] step1[11] = step2[11]; step1[12] = step2[12]; step1[13] = _mm_sub_epi32(_mm_setzero_si128(), step2[12]); // step1[13] = -step1[13] step1[14] = step2[15]; step1[15] = step2[15]; // stage 4 abs_extend_64bit_sse2(io[0], temp, sign); step2[0] = multiplication_round_shift_sse2(temp, sign, cospi_16_64); step2[1] = step2[0]; step2[2] = _mm_setzero_si128(); step2[3] = _mm_setzero_si128(); highbd_butterfly_sse2(step1[14], step1[9], cospi_24_64, cospi_8_64, &step2[9], &step2[14]); highbd_butterfly_sse2(step1[10], step1[13], cospi_8_64, cospi_24_64, &step2[13], &step2[10]); step2[5] = step1[4]; step2[6] = step1[7]; step2[8] = step1[8]; step2[11] = step1[11]; step2[12] = step1[12]; step2[15] = step1[15]; highbd_idct16_4col_stage5(step2, step1); highbd_idct16_4col_stage6(step1, step2); highbd_idct16_4col_stage7(step2, io); } void vpx_highbd_idct16x16_256_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i; __m128i out[16], *in; if (bd == 8) { __m128i l[16], r[16]; in = l; for (i = 0; i < 2; i++) { highbd_load_pack_transpose_32bit_8x8(&input[0], 16, &in[0]); highbd_load_pack_transpose_32bit_8x8(&input[8], 16, &in[8]); idct16_8col(in, in); in = r; input += 128; } for (i = 0; i < 16; i += 8) { int j; transpose_16bit_8x8(l + i, out); transpose_16bit_8x8(r + i, out + 8); idct16_8col(out, out); for (j = 0; j < 16; ++j) { highbd_write_buffer_8(dest + j * stride, out[j], bd); } dest += 8; } } else { __m128i all[4][16]; for (i = 0; i < 4; i++) { in = all[i]; highbd_load_transpose_32bit_8x4(&input[0], 16, &in[0]); highbd_load_transpose_32bit_8x4(&input[8], 16, &in[8]); highbd_idct16_4col(in); input += 4 * 16; } for (i = 0; i < 16; i += 4) { int j; transpose_32bit_4x4(all[0] + i, out + 0); transpose_32bit_4x4(all[1] + i, out + 4); transpose_32bit_4x4(all[2] + i, out + 8); transpose_32bit_4x4(all[3] + i, out + 12); highbd_idct16_4col(out); for (j = 0; j < 16; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } void vpx_highbd_idct16x16_38_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i; __m128i out[16]; if (bd == 8) { __m128i in[16], temp[16]; highbd_load_pack_transpose_32bit_8x8(input, 16, in); for (i = 8; i < 16; i++) { in[i] = _mm_setzero_si128(); } idct16_8col(in, temp); for (i = 0; i < 16; i += 8) { int j; transpose_16bit_8x8(temp + i, in); idct16_8col(in, out); for (j = 0; j < 16; ++j) { highbd_write_buffer_8(dest + j * stride, out[j], bd); } dest += 8; } } else { __m128i all[2][16], *in; for (i = 0; i < 2; i++) { in = all[i]; highbd_load_transpose_32bit_8x4(input, 16, in); highbd_idct16x16_38_4col(in); input += 4 * 16; } for (i = 0; i < 16; i += 4) { int j; transpose_32bit_4x4(all[0] + i, out + 0); transpose_32bit_4x4(all[1] + i, out + 4); highbd_idct16x16_38_4col(out); for (j = 0; j < 16; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } void vpx_highbd_idct16x16_10_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i; __m128i out[16]; if (bd == 8) { __m128i in[16], l[16]; in[0] = load_pack_8_32bit(input + 0 * 16); in[1] = load_pack_8_32bit(input + 1 * 16); in[2] = load_pack_8_32bit(input + 2 * 16); in[3] = load_pack_8_32bit(input + 3 * 16); idct16x16_10_pass1(in, l); for (i = 0; i < 16; i += 8) { int j; idct16x16_10_pass2(l + i, in); for (j = 0; j < 16; ++j) { highbd_write_buffer_8(dest + j * stride, in[j], bd); } dest += 8; } } else { __m128i all[2][16], *in; for (i = 0; i < 2; i++) { in = all[i]; highbd_load_transpose_32bit_4x4(input, 16, in); highbd_idct16x16_10_4col(in); input += 4 * 16; } for (i = 0; i < 16; i += 4) { int j; transpose_32bit_4x4(&all[0][i], out); highbd_idct16x16_10_4col(out); for (j = 0; j < 16; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } void vpx_highbd_idct16x16_1_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { highbd_idct_1_add_kernel(input, dest, stride, bd, 16); }