diff options
Diffstat (limited to 'media/libvpx/libvpx/vpx_dsp/x86/highbd_idct32x32_add_sse4.c')
-rw-r--r-- | media/libvpx/libvpx/vpx_dsp/x86/highbd_idct32x32_add_sse4.c | 765 |
1 files changed, 765 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct32x32_add_sse4.c b/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct32x32_add_sse4.c new file mode 100644 index 0000000000..2d0a53ac0a --- /dev/null +++ b/media/libvpx/libvpx/vpx_dsp/x86/highbd_idct32x32_add_sse4.c @@ -0,0 +1,765 @@ +/* + * Copyright (c) 2017 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 <smmintrin.h> // SSE4.1 + +#include "./vpx_dsp_rtcd.h" +#include "vpx_dsp/x86/highbd_inv_txfm_sse2.h" +#include "vpx_dsp/x86/highbd_inv_txfm_sse4.h" +#include "vpx_dsp/x86/inv_txfm_sse2.h" +#include "vpx_dsp/x86/inv_txfm_ssse3.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_sse4_1(step1[14], step1[9], cospi_24_64, cospi_8_64, + &step2[9], &step2[14]); + highbd_butterfly_sse4_1(step1[13], step1[10], -cospi_8_64, cospi_24_64, + &step2[10], &step2[13]); + 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_sse4_1(step1[13], step1[10], cospi_16_64, cospi_16_64, + &out[10], &out[13]); + highbd_butterfly_sse4_1(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[23], step1[20]); + step2[21] = _mm_sub_epi32(step1[22], step1[21]); + step2[22] = _mm_add_epi32(step1[22], step1[21]); + step2[23] = _mm_add_epi32(step1[23], step1[20]); + + step2[24] = _mm_add_epi32(step1[24], step1[27]); + step2[25] = _mm_add_epi32(step1[25], step1[26]); + step2[26] = _mm_sub_epi32(step1[25], step1[26]); + step2[27] = _mm_sub_epi32(step1[24], step1[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_sse4_1(step2[29], step2[18], cospi_24_64, cospi_8_64, + &step1[18], &step1[29]); + highbd_butterfly_sse4_1(step2[28], step2[19], cospi_24_64, cospi_8_64, + &step1[19], &step1[28]); + highbd_butterfly_sse4_1(step2[27], step2[20], -cospi_8_64, cospi_24_64, + &step1[20], &step1[27]); + highbd_butterfly_sse4_1(step2[26], step2[21], -cospi_8_64, cospi_24_64, + &step1[21], &step1[26]); + 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_sse4_1(step2[27], step2[20], cospi_16_64, cospi_16_64, + &out[20], &out[27]); + highbd_butterfly_sse4_1(step2[26], step2[21], cospi_16_64, cospi_16_64, + &out[21], &out[26]); + highbd_butterfly_sse4_1(step2[25], step2[22], cospi_16_64, cospi_16_64, + &out[22], &out[25]); + highbd_butterfly_sse4_1(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_sse4_1(in[4], in[28], cospi_28_64, cospi_4_64, &step1[4], + &step1[7]); + highbd_butterfly_sse4_1(in[20], in[12], cospi_12_64, cospi_20_64, &step1[5], + &step1[6]); + + // stage 4 + highbd_butterfly_sse4_1(in[0], in[16], cospi_16_64, cospi_16_64, &step2[1], + &step2[0]); + highbd_butterfly_sse4_1(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_sse4_1(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_sse4_1(in[2], in[30], cospi_30_64, cospi_2_64, &step2[8], + &step2[15]); + highbd_butterfly_sse4_1(in[18], in[14], cospi_14_64, cospi_18_64, &step2[9], + &step2[14]); + highbd_butterfly_sse4_1(in[10], in[22], cospi_22_64, cospi_10_64, &step2[10], + &step2[13]); + highbd_butterfly_sse4_1(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[11], step2[10]); + step1[11] = _mm_add_epi32(step2[11], step2[10]); + step1[12] = _mm_add_epi32(step2[12], step2[13]); + step1[13] = _mm_sub_epi32(step2[12], step2[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_sse4_1(in[1], in[31], cospi_31_64, cospi_1_64, &step1[16], + &step1[31]); + highbd_butterfly_sse4_1(in[17], in[15], cospi_15_64, cospi_17_64, &step1[17], + &step1[30]); + highbd_butterfly_sse4_1(in[9], in[23], cospi_23_64, cospi_9_64, &step1[18], + &step1[29]); + highbd_butterfly_sse4_1(in[25], in[7], cospi_7_64, cospi_25_64, &step1[19], + &step1[28]); + + highbd_butterfly_sse4_1(in[5], in[27], cospi_27_64, cospi_5_64, &step1[20], + &step1[27]); + highbd_butterfly_sse4_1(in[21], in[11], cospi_11_64, cospi_21_64, &step1[21], + &step1[26]); + + highbd_butterfly_sse4_1(in[13], in[19], cospi_19_64, cospi_13_64, &step1[22], + &step1[25]); + highbd_butterfly_sse4_1(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[19], step1[18]); + step2[19] = _mm_add_epi32(step1[19], step1[18]); + step2[20] = _mm_add_epi32(step1[20], step1[21]); + step2[21] = _mm_sub_epi32(step1[20], step1[21]); + step2[22] = _mm_sub_epi32(step1[23], step1[22]); + step2[23] = _mm_add_epi32(step1[23], step1[22]); + + step2[24] = _mm_add_epi32(step1[24], step1[25]); + step2[25] = _mm_sub_epi32(step1[24], step1[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[28], step1[29]); + step2[29] = _mm_sub_epi32(step1[28], step1[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_sse4_1(step2[30], step2[17], cospi_28_64, cospi_4_64, + &step1[17], &step1[30]); + highbd_butterfly_sse4_1(step2[29], step2[18], -cospi_4_64, cospi_28_64, + &step1[18], &step1[29]); + step1[19] = step2[19]; + step1[20] = step2[20]; + highbd_butterfly_sse4_1(step2[26], step2[21], cospi_12_64, cospi_20_64, + &step1[21], &step1[26]); + highbd_butterfly_sse4_1(step2[25], step2[22], -cospi_20_64, cospi_12_64, + &step1[22], &step1[25]); + 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_sse4_1(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_sse4_1(in[4], cospi_28_64, cospi_4_64, &step1[4], + &step1[7]); + highbd_partial_butterfly_sse4_1(in[12], -cospi_20_64, cospi_12_64, &step1[5], + &step1[6]); + + // stage 4 + highbd_partial_butterfly_sse4_1(in[0], cospi_16_64, cospi_16_64, &step2[1], + &step2[0]); + highbd_partial_butterfly_sse4_1(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_sse4_1(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_sse4_1(in[2], cospi_30_64, cospi_2_64, &step2[8], + &step2[15]); + highbd_partial_butterfly_sse4_1(in[14], -cospi_18_64, cospi_14_64, &step2[9], + &step2[14]); + highbd_partial_butterfly_sse4_1(in[10], cospi_22_64, cospi_10_64, &step2[10], + &step2[13]); + highbd_partial_butterfly_sse4_1(in[6], -cospi_26_64, cospi_6_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[11], step2[10]); + step1[11] = _mm_add_epi32(step2[11], step2[10]); + step1[12] = _mm_add_epi32(step2[12], step2[13]); + step1[13] = _mm_sub_epi32(step2[12], step2[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_sse4_1(in[1], cospi_31_64, cospi_1_64, &step1[16], + &step1[31]); + highbd_partial_butterfly_sse4_1(in[15], -cospi_17_64, cospi_15_64, &step1[17], + &step1[30]); + highbd_partial_butterfly_sse4_1(in[9], cospi_23_64, cospi_9_64, &step1[18], + &step1[29]); + highbd_partial_butterfly_sse4_1(in[7], -cospi_25_64, cospi_7_64, &step1[19], + &step1[28]); + + highbd_partial_butterfly_sse4_1(in[5], cospi_27_64, cospi_5_64, &step1[20], + &step1[27]); + highbd_partial_butterfly_sse4_1(in[11], -cospi_21_64, cospi_11_64, &step1[21], + &step1[26]); + + highbd_partial_butterfly_sse4_1(in[13], cospi_19_64, cospi_13_64, &step1[22], + &step1[25]); + highbd_partial_butterfly_sse4_1(in[3], -cospi_29_64, cospi_3_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[19], step1[18]); + step2[19] = _mm_add_epi32(step1[19], step1[18]); + step2[20] = _mm_add_epi32(step1[20], step1[21]); + step2[21] = _mm_sub_epi32(step1[20], step1[21]); + step2[22] = _mm_sub_epi32(step1[23], step1[22]); + step2[23] = _mm_add_epi32(step1[23], step1[22]); + + step2[24] = _mm_add_epi32(step1[24], step1[25]); + step2[25] = _mm_sub_epi32(step1[24], step1[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[28], step1[29]); + step2[29] = _mm_sub_epi32(step1[28], step1[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_sse4_1(step2[30], step2[17], cospi_28_64, cospi_4_64, + &step1[17], &step1[30]); + highbd_butterfly_sse4_1(step2[29], step2[18], -cospi_4_64, cospi_28_64, + &step1[18], &step1[29]); + step1[19] = step2[19]; + step1[20] = step2[20]; + highbd_butterfly_sse4_1(step2[26], step2[21], cospi_12_64, cospi_20_64, + &step1[21], &step1[26]); + highbd_butterfly_sse4_1(step2[25], step2[22], -cospi_20_64, cospi_12_64, + &step1[22], &step1[25]); + 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_sse4_1(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]; + + // 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_135_8x32_ssse3(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_135_8x32_ssse3(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_sse4_1(in[4], cospi_28_64, cospi_4_64, &step1[4], + &step1[7]); + + // stage 4 + highbd_partial_butterfly_sse4_1(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_sse4_1(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_sse4_1(in[2], cospi_30_64, cospi_2_64, &step2[8], + &step2[15]); + highbd_partial_butterfly_sse4_1(in[6], -cospi_26_64, cospi_6_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]; + + 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_sse4_1(in[1], cospi_31_64, cospi_1_64, &step1[16], + &step1[31]); + highbd_partial_butterfly_sse4_1(in[7], -cospi_25_64, cospi_7_64, &step1[19], + &step1[28]); + + highbd_partial_butterfly_sse4_1(in[5], cospi_27_64, cospi_5_64, &step1[20], + &step1[27]); + highbd_partial_butterfly_sse4_1(in[3], -cospi_29_64, cospi_3_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 + step1[16] = step2[16]; + step1[31] = step2[31]; + highbd_butterfly_sse4_1(step2[30], step2[17], cospi_28_64, cospi_4_64, + &step1[17], &step1[30]); + highbd_butterfly_sse4_1(step2[29], step2[18], -cospi_4_64, cospi_28_64, + &step1[18], &step1[29]); + step1[19] = step2[19]; + step1[20] = step2[20]; + highbd_butterfly_sse4_1(step2[26], step2[21], cospi_12_64, cospi_20_64, + &step1[21], &step1[26]); + highbd_butterfly_sse4_1(step2[25], step2[22], -cospi_20_64, cospi_12_64, + &step1[22], &step1[25]); + 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_sse4_1(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_ssse3(in, col); + + // columns + for (i = 0; i < 32; i += 8) { + transpose_16bit_8x8(col + i, in); + idct32_34_8x32_ssse3(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; + } + } +} |