ref: a53b7e53e8eaf121c16a7f93117f85f38e5bd591
dir: /vpx_dsp/x86/highbd_idct32x32_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 "./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_idct32_4x32_quarter_2_stage_4_to_6( __m128i *const step1 /*step1[16]*/, __m128i *const out /*out[16]*/) { __m128i step2[32]; // stage 4 step2[8] = step1[8]; step2[15] = step1[15]; 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[11] = step1[11]; step2[12] = step1[12]; // stage 5 step1[8] = _mm_add_epi32(step2[8], step2[11]); step1[9] = _mm_add_epi32(step2[9], step2[10]); step1[10] = _mm_sub_epi32(step2[9], step2[10]); step1[11] = _mm_sub_epi32(step2[8], step2[11]); step1[12] = _mm_sub_epi32(step2[15], step2[12]); step1[13] = _mm_sub_epi32(step2[14], step2[13]); step1[14] = _mm_add_epi32(step2[14], step2[13]); step1[15] = _mm_add_epi32(step2[15], step2[12]); // stage 6 out[8] = step1[8]; out[9] = step1[9]; highbd_butterfly_sse2(step1[13], step1[10], cospi_16_64, cospi_16_64, &out[10], &out[13]); highbd_butterfly_sse2(step1[12], step1[11], cospi_16_64, cospi_16_64, &out[11], &out[12]); out[14] = step1[14]; out[15] = step1[15]; } static INLINE void highbd_idct32_4x32_quarter_3_4_stage_4_to_7( __m128i *const step1 /*step1[32]*/, __m128i *const out /*out[32]*/) { __m128i step2[32]; // stage 4 step2[16] = _mm_add_epi32(step1[16], step1[19]); step2[17] = _mm_add_epi32(step1[17], step1[18]); step2[18] = _mm_sub_epi32(step1[17], step1[18]); step2[19] = _mm_sub_epi32(step1[16], step1[19]); step2[20] = _mm_sub_epi32(step1[20], step1[23]); // step2[20] = -step2[20] step2[21] = _mm_sub_epi32(step1[21], step1[22]); // step2[21] = -step2[21] step2[22] = _mm_add_epi32(step1[21], step1[22]); step2[23] = _mm_add_epi32(step1[20], step1[23]); step2[24] = _mm_add_epi32(step1[27], step1[24]); step2[25] = _mm_add_epi32(step1[26], step1[25]); step2[26] = _mm_sub_epi32(step1[26], step1[25]); // step2[26] = -step2[26] step2[27] = _mm_sub_epi32(step1[27], step1[24]); // step2[27] = -step2[27] step2[28] = _mm_sub_epi32(step1[31], step1[28]); step2[29] = _mm_sub_epi32(step1[30], step1[29]); step2[30] = _mm_add_epi32(step1[29], step1[30]); step2[31] = _mm_add_epi32(step1[28], step1[31]); // stage 5 step1[16] = step2[16]; step1[17] = step2[17]; highbd_butterfly_sse2(step2[29], step2[18], cospi_24_64, cospi_8_64, &step1[18], &step1[29]); highbd_butterfly_sse2(step2[28], step2[19], cospi_24_64, cospi_8_64, &step1[19], &step1[28]); highbd_butterfly_sse2(step2[20], step2[27], cospi_8_64, cospi_24_64, &step1[27], &step1[20]); highbd_butterfly_sse2(step2[21], step2[26], cospi_8_64, cospi_24_64, &step1[26], &step1[21]); step1[22] = step2[22]; step1[23] = step2[23]; step1[24] = step2[24]; step1[25] = step2[25]; step1[30] = step2[30]; step1[31] = step2[31]; // stage 6 step2[16] = _mm_add_epi32(step1[16], step1[23]); step2[17] = _mm_add_epi32(step1[17], step1[22]); step2[18] = _mm_add_epi32(step1[18], step1[21]); step2[19] = _mm_add_epi32(step1[19], step1[20]); step2[20] = _mm_sub_epi32(step1[19], step1[20]); step2[21] = _mm_sub_epi32(step1[18], step1[21]); step2[22] = _mm_sub_epi32(step1[17], step1[22]); step2[23] = _mm_sub_epi32(step1[16], step1[23]); step2[24] = _mm_sub_epi32(step1[31], step1[24]); step2[25] = _mm_sub_epi32(step1[30], step1[25]); step2[26] = _mm_sub_epi32(step1[29], step1[26]); step2[27] = _mm_sub_epi32(step1[28], step1[27]); step2[28] = _mm_add_epi32(step1[27], step1[28]); step2[29] = _mm_add_epi32(step1[26], step1[29]); step2[30] = _mm_add_epi32(step1[25], step1[30]); step2[31] = _mm_add_epi32(step1[24], step1[31]); // stage 7 out[16] = step2[16]; out[17] = step2[17]; out[18] = step2[18]; out[19] = step2[19]; highbd_butterfly_sse2(step2[27], step2[20], cospi_16_64, cospi_16_64, &out[20], &out[27]); highbd_butterfly_sse2(step2[26], step2[21], cospi_16_64, cospi_16_64, &out[21], &out[26]); highbd_butterfly_sse2(step2[25], step2[22], cospi_16_64, cospi_16_64, &out[22], &out[25]); highbd_butterfly_sse2(step2[24], step2[23], cospi_16_64, cospi_16_64, &out[23], &out[24]); out[28] = step2[28]; out[29] = step2[29]; out[30] = step2[30]; out[31] = step2[31]; } // Group the coefficient calculation into smaller functions to prevent stack // spillover in 32x32 idct optimizations: // quarter_1: 0-7 // quarter_2: 8-15 // quarter_3_4: 16-23, 24-31 // For each 4x32 block __m128i in[32], // Input with index, 0, 4, 8, 12, 16, 20, 24, 28 // output pixels: 0-7 in __m128i out[32] static INLINE void highbd_idct32_1024_4x32_quarter_1( const __m128i *const in /*in[32]*/, __m128i *const out /*out[8]*/) { __m128i step1[8], step2[8]; // stage 3 highbd_butterfly_sse2(in[4], in[28], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); highbd_butterfly_sse2(in[20], in[12], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); // stage 4 highbd_butterfly_sse2(in[0], in[16], cospi_16_64, cospi_16_64, &step2[1], &step2[0]); highbd_butterfly_sse2(in[8], in[24], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); step2[4] = _mm_add_epi32(step1[4], step1[5]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step2[7] = _mm_add_epi32(step1[7], step1[6]); // stage 5 step1[0] = _mm_add_epi32(step2[0], step2[3]); step1[1] = _mm_add_epi32(step2[1], step2[2]); step1[2] = _mm_sub_epi32(step2[1], step2[2]); step1[3] = _mm_sub_epi32(step2[0], step2[3]); step1[4] = step2[4]; highbd_butterfly_sse2(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]); step1[7] = step2[7]; // stage 6 out[0] = _mm_add_epi32(step1[0], step1[7]); out[1] = _mm_add_epi32(step1[1], step1[6]); out[2] = _mm_add_epi32(step1[2], step1[5]); out[3] = _mm_add_epi32(step1[3], step1[4]); out[4] = _mm_sub_epi32(step1[3], step1[4]); out[5] = _mm_sub_epi32(step1[2], step1[5]); out[6] = _mm_sub_epi32(step1[1], step1[6]); out[7] = _mm_sub_epi32(step1[0], step1[7]); } // For each 4x32 block __m128i in[32], // Input with index, 2, 6, 10, 14, 18, 22, 26, 30 // output pixels: 8-15 in __m128i out[32] static INLINE void highbd_idct32_1024_4x32_quarter_2( const __m128i *in /*in[32]*/, __m128i *out /*out[16]*/) { __m128i step1[32], step2[32]; // stage 2 highbd_butterfly_sse2(in[2], in[30], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_butterfly_sse2(in[18], in[14], cospi_14_64, cospi_18_64, &step2[9], &step2[14]); highbd_butterfly_sse2(in[10], in[22], cospi_22_64, cospi_10_64, &step2[10], &step2[13]); highbd_butterfly_sse2(in[26], in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 step1[8] = _mm_add_epi32(step2[8], step2[9]); step1[9] = _mm_sub_epi32(step2[8], step2[9]); step1[14] = _mm_sub_epi32(step2[15], step2[14]); step1[15] = _mm_add_epi32(step2[15], step2[14]); 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] highbd_idct32_4x32_quarter_2_stage_4_to_6(step1, out); } static INLINE void highbd_idct32_1024_4x32_quarter_1_2( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i temp[16]; highbd_idct32_1024_4x32_quarter_1(in, temp); highbd_idct32_1024_4x32_quarter_2(in, temp); // stage 7 highbd_add_sub_butterfly(temp, out, 16); } // For each 4x32 block __m128i in[32], // Input with odd index, // 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31 // output pixels: 16-23, 24-31 in __m128i out[32] static INLINE void highbd_idct32_1024_4x32_quarter_3_4( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i step1[32], step2[32]; // stage 1 highbd_butterfly_sse2(in[1], in[31], cospi_31_64, cospi_1_64, &step1[16], &step1[31]); highbd_butterfly_sse2(in[17], in[15], cospi_15_64, cospi_17_64, &step1[17], &step1[30]); highbd_butterfly_sse2(in[9], in[23], cospi_23_64, cospi_9_64, &step1[18], &step1[29]); highbd_butterfly_sse2(in[25], in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]); highbd_butterfly_sse2(in[5], in[27], cospi_27_64, cospi_5_64, &step1[20], &step1[27]); highbd_butterfly_sse2(in[21], in[11], cospi_11_64, cospi_21_64, &step1[21], &step1[26]); highbd_butterfly_sse2(in[13], in[19], cospi_19_64, cospi_13_64, &step1[22], &step1[25]); highbd_butterfly_sse2(in[29], in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]); // stage 2 step2[16] = _mm_add_epi32(step1[16], step1[17]); step2[17] = _mm_sub_epi32(step1[16], step1[17]); step2[18] = _mm_sub_epi32(step1[18], step1[19]); // step2[18] = -step2[18] step2[19] = _mm_add_epi32(step1[18], step1[19]); step2[20] = _mm_add_epi32(step1[20], step1[21]); step2[21] = _mm_sub_epi32(step1[20], step1[21]); step2[22] = _mm_sub_epi32(step1[22], step1[23]); // step2[22] = -step2[22] step2[23] = _mm_add_epi32(step1[22], step1[23]); step2[24] = _mm_add_epi32(step1[25], step1[24]); step2[25] = _mm_sub_epi32(step1[25], step1[24]); // step2[25] = -step2[25] step2[26] = _mm_sub_epi32(step1[27], step1[26]); step2[27] = _mm_add_epi32(step1[27], step1[26]); step2[28] = _mm_add_epi32(step1[29], step1[28]); step2[29] = _mm_sub_epi32(step1[29], step1[28]); // step2[29] = -step2[29] step2[30] = _mm_sub_epi32(step1[31], step1[30]); step2[31] = _mm_add_epi32(step1[31], step1[30]); // stage 3 step1[16] = step2[16]; step1[31] = step2[31]; highbd_butterfly_sse2(step2[30], step2[17], cospi_28_64, cospi_4_64, &step1[17], &step1[30]); highbd_butterfly_sse2(step2[18], step2[29], cospi_4_64, cospi_28_64, &step1[29], &step1[18]); step1[19] = step2[19]; step1[20] = step2[20]; highbd_butterfly_sse2(step2[26], step2[21], cospi_12_64, cospi_20_64, &step1[21], &step1[26]); highbd_butterfly_sse2(step2[22], step2[25], cospi_20_64, cospi_12_64, &step1[25], &step1[22]); step1[23] = step2[23]; step1[24] = step2[24]; step1[27] = step2[27]; step1[28] = step2[28]; highbd_idct32_4x32_quarter_3_4_stage_4_to_7(step1, out); } static void highbd_idct32_1024_4x32(__m128i *const io /*io[32]*/) { __m128i temp[32]; highbd_idct32_1024_4x32_quarter_1_2(io, temp); highbd_idct32_1024_4x32_quarter_3_4(io, temp); // final stage highbd_add_sub_butterfly(temp, io, 32); } void vpx_highbd_idct32x32_1024_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i, j; if (bd == 8) { __m128i col[4][32], io[32]; // rows for (i = 0; i < 4; i++) { highbd_load_pack_transpose_32bit_8x8(&input[0], 32, &io[0]); highbd_load_pack_transpose_32bit_8x8(&input[8], 32, &io[8]); highbd_load_pack_transpose_32bit_8x8(&input[16], 32, &io[16]); highbd_load_pack_transpose_32bit_8x8(&input[24], 32, &io[24]); idct32_1024_8x32(io, col[i]); input += 32 << 3; } // columns for (i = 0; i < 32; i += 8) { // Transpose 32x8 block to 8x32 block transpose_16bit_8x8(col[0] + i, io); transpose_16bit_8x8(col[1] + i, io + 8); transpose_16bit_8x8(col[2] + i, io + 16); transpose_16bit_8x8(col[3] + i, io + 24); idct32_1024_8x32(io, io); for (j = 0; j < 32; ++j) { highbd_write_buffer_8(dest + j * stride, io[j], bd); } dest += 8; } } else { __m128i all[8][32], out[32], *in; for (i = 0; i < 8; i++) { in = all[i]; highbd_load_transpose_32bit_8x4(&input[0], 32, &in[0]); highbd_load_transpose_32bit_8x4(&input[8], 32, &in[8]); highbd_load_transpose_32bit_8x4(&input[16], 32, &in[16]); highbd_load_transpose_32bit_8x4(&input[24], 32, &in[24]); highbd_idct32_1024_4x32(in); input += 4 * 32; } for (i = 0; i < 32; i += 4) { 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); transpose_32bit_4x4(all[4] + i, out + 16); transpose_32bit_4x4(all[5] + i, out + 20); transpose_32bit_4x4(all[6] + i, out + 24); transpose_32bit_4x4(all[7] + i, out + 28); highbd_idct32_1024_4x32(out); for (j = 0; j < 32; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } // ----------------------------------------------------------------------------- // For each 4x32 block __m128i in[32], // Input with index, 0, 4, 8, 12 // output pixels: 0-7 in __m128i out[32] static INLINE void highbd_idct32_135_4x32_quarter_1( const __m128i *const in /*in[32]*/, __m128i *const out /*out[8]*/) { __m128i step1[8], step2[8]; // stage 3 highbd_partial_butterfly_sse2(in[4], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); highbd_partial_butterfly_neg_sse2(in[12], cospi_12_64, cospi_20_64, &step1[5], &step1[6]); // stage 4 highbd_partial_butterfly_sse2(in[0], cospi_16_64, cospi_16_64, &step2[1], &step2[0]); highbd_partial_butterfly_sse2(in[8], cospi_24_64, cospi_8_64, &step2[2], &step2[3]); step2[4] = _mm_add_epi32(step1[4], step1[5]); step2[5] = _mm_sub_epi32(step1[4], step1[5]); step2[6] = _mm_sub_epi32(step1[7], step1[6]); step2[7] = _mm_add_epi32(step1[7], step1[6]); // stage 5 step1[0] = _mm_add_epi32(step2[0], step2[3]); step1[1] = _mm_add_epi32(step2[1], step2[2]); step1[2] = _mm_sub_epi32(step2[1], step2[2]); step1[3] = _mm_sub_epi32(step2[0], step2[3]); step1[4] = step2[4]; highbd_butterfly_sse2(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]); step1[7] = step2[7]; // stage 6 out[0] = _mm_add_epi32(step1[0], step1[7]); out[1] = _mm_add_epi32(step1[1], step1[6]); out[2] = _mm_add_epi32(step1[2], step1[5]); out[3] = _mm_add_epi32(step1[3], step1[4]); out[4] = _mm_sub_epi32(step1[3], step1[4]); out[5] = _mm_sub_epi32(step1[2], step1[5]); out[6] = _mm_sub_epi32(step1[1], step1[6]); out[7] = _mm_sub_epi32(step1[0], step1[7]); } // For each 4x32 block __m128i in[32], // Input with index, 2, 6, 10, 14 // output pixels: 8-15 in __m128i out[32] static INLINE void highbd_idct32_135_4x32_quarter_2( const __m128i *in /*in[32]*/, __m128i *out /*out[16]*/) { __m128i step1[32], step2[32]; // stage 2 highbd_partial_butterfly_sse2(in[2], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_partial_butterfly_neg_sse2(in[14], cospi_14_64, cospi_18_64, &step2[9], &step2[14]); highbd_partial_butterfly_sse2(in[10], cospi_22_64, cospi_10_64, &step2[10], &step2[13]); highbd_partial_butterfly_neg_sse2(in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 step1[8] = _mm_add_epi32(step2[8], step2[9]); step1[9] = _mm_sub_epi32(step2[8], step2[9]); step1[14] = _mm_sub_epi32(step2[15], step2[14]); step1[15] = _mm_add_epi32(step2[15], step2[14]); 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] highbd_idct32_4x32_quarter_2_stage_4_to_6(step1, out); } static INLINE void highbd_idct32_135_4x32_quarter_1_2( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i temp[16]; highbd_idct32_135_4x32_quarter_1(in, temp); highbd_idct32_135_4x32_quarter_2(in, temp); // stage 7 highbd_add_sub_butterfly(temp, out, 16); } // For each 4x32 block __m128i in[32], // Input with odd index, // 1, 3, 5, 7, 9, 11, 13, 15 // output pixels: 16-23, 24-31 in __m128i out[32] static INLINE void highbd_idct32_135_4x32_quarter_3_4( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i step1[32], step2[32]; // stage 1 highbd_partial_butterfly_sse2(in[1], cospi_31_64, cospi_1_64, &step1[16], &step1[31]); highbd_partial_butterfly_neg_sse2(in[15], cospi_15_64, cospi_17_64, &step1[17], &step1[30]); highbd_partial_butterfly_sse2(in[9], cospi_23_64, cospi_9_64, &step1[18], &step1[29]); highbd_partial_butterfly_neg_sse2(in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]); highbd_partial_butterfly_sse2(in[5], cospi_27_64, cospi_5_64, &step1[20], &step1[27]); highbd_partial_butterfly_neg_sse2(in[11], cospi_11_64, cospi_21_64, &step1[21], &step1[26]); highbd_partial_butterfly_sse2(in[13], cospi_19_64, cospi_13_64, &step1[22], &step1[25]); highbd_partial_butterfly_neg_sse2(in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]); // stage 2 step2[16] = _mm_add_epi32(step1[16], step1[17]); step2[17] = _mm_sub_epi32(step1[16], step1[17]); step2[18] = _mm_sub_epi32(step1[18], step1[19]); // step2[18] = -step2[18] step2[19] = _mm_add_epi32(step1[18], step1[19]); step2[20] = _mm_add_epi32(step1[20], step1[21]); step2[21] = _mm_sub_epi32(step1[20], step1[21]); step2[22] = _mm_sub_epi32(step1[22], step1[23]); // step2[22] = -step2[22] step2[23] = _mm_add_epi32(step1[22], step1[23]); step2[24] = _mm_add_epi32(step1[25], step1[24]); step2[25] = _mm_sub_epi32(step1[25], step1[24]); // step2[25] = -step2[25] step2[26] = _mm_sub_epi32(step1[27], step1[26]); step2[27] = _mm_add_epi32(step1[27], step1[26]); step2[28] = _mm_add_epi32(step1[29], step1[28]); step2[29] = _mm_sub_epi32(step1[29], step1[28]); // step2[29] = -step2[29] step2[30] = _mm_sub_epi32(step1[31], step1[30]); step2[31] = _mm_add_epi32(step1[31], step1[30]); // stage 3 step1[16] = step2[16]; step1[31] = step2[31]; highbd_butterfly_sse2(step2[30], step2[17], cospi_28_64, cospi_4_64, &step1[17], &step1[30]); highbd_butterfly_sse2(step2[18], step2[29], cospi_4_64, cospi_28_64, &step1[29], &step1[18]); step1[19] = step2[19]; step1[20] = step2[20]; highbd_butterfly_sse2(step2[26], step2[21], cospi_12_64, cospi_20_64, &step1[21], &step1[26]); highbd_butterfly_sse2(step2[22], step2[25], cospi_20_64, cospi_12_64, &step1[25], &step1[22]); step1[23] = step2[23]; step1[24] = step2[24]; step1[27] = step2[27]; step1[28] = step2[28]; highbd_idct32_4x32_quarter_3_4_stage_4_to_7(step1, out); } static void highbd_idct32_135_4x32(__m128i *const io /*io[32]*/) { __m128i temp[32]; highbd_idct32_135_4x32_quarter_1_2(io, temp); highbd_idct32_135_4x32_quarter_3_4(io, temp); // final stage highbd_add_sub_butterfly(temp, io, 32); } void vpx_highbd_idct32x32_135_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i, j; if (bd == 8) { __m128i col[2][32], in[32], out[32]; for (i = 16; i < 32; i++) { in[i] = _mm_setzero_si128(); } // rows for (i = 0; i < 2; i++) { highbd_load_pack_transpose_32bit_8x8(&input[0], 32, &in[0]); highbd_load_pack_transpose_32bit_8x8(&input[8], 32, &in[8]); idct32_1024_8x32(in, col[i]); input += 32 << 3; } // columns for (i = 0; i < 32; i += 8) { transpose_16bit_8x8(col[0] + i, in); transpose_16bit_8x8(col[1] + i, in + 8); idct32_1024_8x32(in, out); for (j = 0; j < 32; ++j) { highbd_write_buffer_8(dest + j * stride, out[j], bd); } dest += 8; } } else { __m128i all[8][32], out[32], *in; for (i = 0; i < 4; i++) { in = all[i]; highbd_load_transpose_32bit_8x4(&input[0], 32, &in[0]); highbd_load_transpose_32bit_8x4(&input[8], 32, &in[8]); highbd_idct32_135_4x32(in); input += 4 * 32; } for (i = 0; i < 32; i += 4) { 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_idct32_135_4x32(out); for (j = 0; j < 32; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } // ----------------------------------------------------------------------------- // For each 4x32 block __m128i in[32], // Input with index, 0, 4 // output pixels: 0-7 in __m128i out[32] static INLINE void highbd_idct32_34_4x32_quarter_1( const __m128i *const in /*in[32]*/, __m128i *const out /*out[8]*/) { __m128i step1[8], step2[8]; // stage 3 highbd_partial_butterfly_sse2(in[4], cospi_28_64, cospi_4_64, &step1[4], &step1[7]); // stage 4 highbd_partial_butterfly_sse2(in[0], cospi_16_64, cospi_16_64, &step2[1], &step2[0]); step2[4] = step1[4]; step2[5] = step1[4]; step2[6] = step1[7]; step2[7] = step1[7]; // stage 5 step1[0] = step2[0]; step1[1] = step2[1]; step1[2] = step2[1]; step1[3] = step2[0]; step1[4] = step2[4]; highbd_butterfly_sse2(step2[6], step2[5], cospi_16_64, cospi_16_64, &step1[5], &step1[6]); step1[7] = step2[7]; // stage 6 out[0] = _mm_add_epi32(step1[0], step1[7]); out[1] = _mm_add_epi32(step1[1], step1[6]); out[2] = _mm_add_epi32(step1[2], step1[5]); out[3] = _mm_add_epi32(step1[3], step1[4]); out[4] = _mm_sub_epi32(step1[3], step1[4]); out[5] = _mm_sub_epi32(step1[2], step1[5]); out[6] = _mm_sub_epi32(step1[1], step1[6]); out[7] = _mm_sub_epi32(step1[0], step1[7]); } // For each 4x32 block __m128i in[32], // Input with index, 2, 6 // output pixels: 8-15 in __m128i out[32] static INLINE void highbd_idct32_34_4x32_quarter_2(const __m128i *in /*in[32]*/, __m128i *out /*out[16]*/) { __m128i step1[32], step2[32]; // stage 2 highbd_partial_butterfly_sse2(in[2], cospi_30_64, cospi_2_64, &step2[8], &step2[15]); highbd_partial_butterfly_neg_sse2(in[6], cospi_6_64, cospi_26_64, &step2[11], &step2[12]); // stage 3 step1[8] = step2[8]; step1[9] = step2[8]; step1[14] = step2[15]; step1[15] = step2[15]; step1[10] = step2[11]; step1[11] = step2[11]; step1[12] = step2[12]; step1[13] = step2[12]; step1[10] = _mm_sub_epi32(_mm_setzero_si128(), step1[10]); // step1[10] = -step1[10] step1[13] = _mm_sub_epi32(_mm_setzero_si128(), step1[13]); // step1[13] = -step1[13] highbd_idct32_4x32_quarter_2_stage_4_to_6(step1, out); } static INLINE void highbd_idct32_34_4x32_quarter_1_2( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i temp[16]; highbd_idct32_34_4x32_quarter_1(in, temp); highbd_idct32_34_4x32_quarter_2(in, temp); // stage 7 highbd_add_sub_butterfly(temp, out, 16); } // For each 4x32 block __m128i in[32], // Input with odd index, // 1, 3, 5, 7 // output pixels: 16-23, 24-31 in __m128i out[32] static INLINE void highbd_idct32_34_4x32_quarter_3_4( const __m128i *const in /*in[32]*/, __m128i *const out /*out[32]*/) { __m128i step1[32], step2[32]; // stage 1 highbd_partial_butterfly_sse2(in[1], cospi_31_64, cospi_1_64, &step1[16], &step1[31]); highbd_partial_butterfly_neg_sse2(in[7], cospi_7_64, cospi_25_64, &step1[19], &step1[28]); highbd_partial_butterfly_sse2(in[5], cospi_27_64, cospi_5_64, &step1[20], &step1[27]); highbd_partial_butterfly_neg_sse2(in[3], cospi_3_64, cospi_29_64, &step1[23], &step1[24]); // stage 2 step2[16] = step1[16]; step2[17] = step1[16]; step2[18] = step1[19]; step2[19] = step1[19]; step2[20] = step1[20]; step2[21] = step1[20]; step2[22] = step1[23]; step2[23] = step1[23]; step2[24] = step1[24]; step2[25] = step1[24]; step2[26] = step1[27]; step2[27] = step1[27]; step2[28] = step1[28]; step2[29] = step1[28]; step2[30] = step1[31]; step2[31] = step1[31]; // stage 3 step2[18] = _mm_sub_epi32(_mm_setzero_si128(), step2[18]); // step2[18] = -step2[18] step2[22] = _mm_sub_epi32(_mm_setzero_si128(), step2[22]); // step2[22] = -step2[22] step2[25] = _mm_sub_epi32(_mm_setzero_si128(), step2[25]); // step2[25] = -step2[25] step2[29] = _mm_sub_epi32(_mm_setzero_si128(), step2[29]); // step2[29] = -step2[29] step1[16] = step2[16]; step1[31] = step2[31]; highbd_butterfly_sse2(step2[30], step2[17], cospi_28_64, cospi_4_64, &step1[17], &step1[30]); highbd_butterfly_sse2(step2[18], step2[29], cospi_4_64, cospi_28_64, &step1[29], &step1[18]); step1[19] = step2[19]; step1[20] = step2[20]; highbd_butterfly_sse2(step2[26], step2[21], cospi_12_64, cospi_20_64, &step1[21], &step1[26]); highbd_butterfly_sse2(step2[22], step2[25], cospi_20_64, cospi_12_64, &step1[25], &step1[22]); step1[23] = step2[23]; step1[24] = step2[24]; step1[27] = step2[27]; step1[28] = step2[28]; highbd_idct32_4x32_quarter_3_4_stage_4_to_7(step1, out); } static void highbd_idct32_34_4x32(__m128i *const io /*io[32]*/) { __m128i temp[32]; highbd_idct32_34_4x32_quarter_1_2(io, temp); highbd_idct32_34_4x32_quarter_3_4(io, temp); // final stage highbd_add_sub_butterfly(temp, io, 32); } void vpx_highbd_idct32x32_34_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { int i, j; if (bd == 8) { __m128i col[32], in[32], out[32]; // rows highbd_load_pack_transpose_32bit_8x8(&input[0], 32, &in[0]); idct32_34_8x32_sse2(in, col); // columns for (i = 0; i < 32; i += 8) { transpose_16bit_8x8(col + i, in); idct32_34_8x32_sse2(in, out); for (j = 0; j < 32; ++j) { highbd_write_buffer_8(dest + j * stride, out[j], bd); } dest += 8; } } else { __m128i all[8][32], out[32], *in; for (i = 0; i < 4; i++) { in = all[i]; highbd_load_transpose_32bit_8x4(&input[0], 32, &in[0]); highbd_load_transpose_32bit_8x4(&input[8], 32, &in[8]); highbd_idct32_34_4x32(in); input += 4 * 32; } for (i = 0; i < 32; i += 4) { 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_idct32_34_4x32(out); for (j = 0; j < 32; ++j) { highbd_write_buffer_4(dest + j * stride, out[j], bd); } dest += 4; } } } void vpx_highbd_idct32x32_1_add_sse2(const tran_low_t *input, uint16_t *dest, int stride, int bd) { highbd_idct_1_add_kernel(input, dest, stride, bd, 32); }