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/*
* Copyright (c) 2016, 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.
*/
#ifndef AOM_DSP_X86_INV_TXFM_SSE2_H_
#define AOM_DSP_X86_INV_TXFM_SSE2_H_
#include <emmintrin.h> // SSE2
#include "./aom_config.h"
#include "aom/aom_integer.h"
#include "aom_dsp/inv_txfm.h"
#include "aom_dsp/x86/txfm_common_sse2.h"
// perform 8x8 transpose
static INLINE void array_transpose_4x4(__m128i *res) {
const __m128i tr0_0 = _mm_unpacklo_epi16(res[0], res[1]);
const __m128i tr0_1 = _mm_unpackhi_epi16(res[0], res[1]);
res[0] = _mm_unpacklo_epi16(tr0_0, tr0_1);
res[1] = _mm_unpackhi_epi16(tr0_0, tr0_1);
}
static INLINE void array_transpose_8x8(__m128i *in, __m128i *res) {
const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i tr0_2 = _mm_unpackhi_epi16(in[0], in[1]);
const __m128i tr0_3 = _mm_unpackhi_epi16(in[2], in[3]);
const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
const __m128i tr0_6 = _mm_unpackhi_epi16(in[4], in[5]);
const __m128i tr0_7 = _mm_unpackhi_epi16(in[6], in[7]);
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_4, tr0_5);
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_4, tr0_5);
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_2, tr0_3);
const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7);
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_2, tr0_3);
const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7);
res[0] = _mm_unpacklo_epi64(tr1_0, tr1_1);
res[1] = _mm_unpackhi_epi64(tr1_0, tr1_1);
res[2] = _mm_unpacklo_epi64(tr1_2, tr1_3);
res[3] = _mm_unpackhi_epi64(tr1_2, tr1_3);
res[4] = _mm_unpacklo_epi64(tr1_4, tr1_5);
res[5] = _mm_unpackhi_epi64(tr1_4, tr1_5);
res[6] = _mm_unpacklo_epi64(tr1_6, tr1_7);
res[7] = _mm_unpackhi_epi64(tr1_6, tr1_7);
}
#define TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, out0, out1, \
out2, out3, out4, out5, out6, out7) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
const __m128i tr0_2 = _mm_unpackhi_epi16(in0, in1); \
const __m128i tr0_3 = _mm_unpackhi_epi16(in2, in3); \
const __m128i tr0_4 = _mm_unpacklo_epi16(in4, in5); \
const __m128i tr0_5 = _mm_unpacklo_epi16(in6, in7); \
const __m128i tr0_6 = _mm_unpackhi_epi16(in4, in5); \
const __m128i tr0_7 = _mm_unpackhi_epi16(in6, in7); \
\
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); \
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); \
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); \
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); \
\
out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
out4 = _mm_unpacklo_epi64(tr1_1, tr1_5); \
out5 = _mm_unpackhi_epi64(tr1_1, tr1_5); \
out6 = _mm_unpacklo_epi64(tr1_3, tr1_7); \
out7 = _mm_unpackhi_epi64(tr1_3, tr1_7); \
}
#define TRANSPOSE_8X4(in0, in1, in2, in3, out0, out1) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
\
in0 = _mm_unpacklo_epi32(tr0_0, tr0_1); /* i1 i0 */ \
in1 = _mm_unpackhi_epi32(tr0_0, tr0_1); /* i3 i2 */ \
}
static INLINE void array_transpose_4X8(__m128i *in, __m128i *out) {
const __m128i tr0_0 = _mm_unpacklo_epi16(in[0], in[1]);
const __m128i tr0_1 = _mm_unpacklo_epi16(in[2], in[3]);
const __m128i tr0_4 = _mm_unpacklo_epi16(in[4], in[5]);
const __m128i tr0_5 = _mm_unpacklo_epi16(in[6], in[7]);
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1);
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1);
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5);
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5);
out[0] = _mm_unpacklo_epi64(tr1_0, tr1_4);
out[1] = _mm_unpackhi_epi64(tr1_0, tr1_4);
out[2] = _mm_unpacklo_epi64(tr1_2, tr1_6);
out[3] = _mm_unpackhi_epi64(tr1_2, tr1_6);
}
static INLINE void array_transpose_16x16(__m128i *res0, __m128i *res1) {
__m128i tbuf[8];
array_transpose_8x8(res0, res0);
array_transpose_8x8(res1, tbuf);
array_transpose_8x8(res0 + 8, res1);
array_transpose_8x8(res1 + 8, res1 + 8);
res0[8] = tbuf[0];
res0[9] = tbuf[1];
res0[10] = tbuf[2];
res0[11] = tbuf[3];
res0[12] = tbuf[4];
res0[13] = tbuf[5];
res0[14] = tbuf[6];
res0[15] = tbuf[7];
}
// Function to allow 8 bit optimisations to be used when profile 0 is used with
// highbitdepth enabled
static INLINE __m128i load_input_data(const tran_low_t *data) {
if (sizeof(tran_low_t) == 4) {
return octa_set_epi16(data[0], data[1], data[2], data[3], data[4], data[5],
data[6], data[7]);
} else {
return _mm_load_si128((const __m128i *)data);
}
}
static INLINE void load_buffer_8x16(const tran_low_t *input, __m128i *in) {
in[0] = load_input_data(input + 0 * 16);
in[1] = load_input_data(input + 1 * 16);
in[2] = load_input_data(input + 2 * 16);
in[3] = load_input_data(input + 3 * 16);
in[4] = load_input_data(input + 4 * 16);
in[5] = load_input_data(input + 5 * 16);
in[6] = load_input_data(input + 6 * 16);
in[7] = load_input_data(input + 7 * 16);
in[8] = load_input_data(input + 8 * 16);
in[9] = load_input_data(input + 9 * 16);
in[10] = load_input_data(input + 10 * 16);
in[11] = load_input_data(input + 11 * 16);
in[12] = load_input_data(input + 12 * 16);
in[13] = load_input_data(input + 13 * 16);
in[14] = load_input_data(input + 14 * 16);
in[15] = load_input_data(input + 15 * 16);
}
#define RECON_AND_STORE(dest, in_x) \
{ \
__m128i d0 = _mm_loadl_epi64((__m128i *)(dest)); \
d0 = _mm_unpacklo_epi8(d0, zero); \
d0 = _mm_add_epi16(in_x, d0); \
d0 = _mm_packus_epi16(d0, d0); \
_mm_storel_epi64((__m128i *)(dest), d0); \
}
static INLINE void write_buffer_8x16(uint8_t *dest, __m128i *in, int stride) {
const __m128i final_rounding = _mm_set1_epi16(1 << 5);
const __m128i zero = _mm_setzero_si128();
// Final rounding and shift
in[0] = _mm_adds_epi16(in[0], final_rounding);
in[1] = _mm_adds_epi16(in[1], final_rounding);
in[2] = _mm_adds_epi16(in[2], final_rounding);
in[3] = _mm_adds_epi16(in[3], final_rounding);
in[4] = _mm_adds_epi16(in[4], final_rounding);
in[5] = _mm_adds_epi16(in[5], final_rounding);
in[6] = _mm_adds_epi16(in[6], final_rounding);
in[7] = _mm_adds_epi16(in[7], final_rounding);
in[8] = _mm_adds_epi16(in[8], final_rounding);
in[9] = _mm_adds_epi16(in[9], final_rounding);
in[10] = _mm_adds_epi16(in[10], final_rounding);
in[11] = _mm_adds_epi16(in[11], final_rounding);
in[12] = _mm_adds_epi16(in[12], final_rounding);
in[13] = _mm_adds_epi16(in[13], final_rounding);
in[14] = _mm_adds_epi16(in[14], final_rounding);
in[15] = _mm_adds_epi16(in[15], final_rounding);
in[0] = _mm_srai_epi16(in[0], 6);
in[1] = _mm_srai_epi16(in[1], 6);
in[2] = _mm_srai_epi16(in[2], 6);
in[3] = _mm_srai_epi16(in[3], 6);
in[4] = _mm_srai_epi16(in[4], 6);
in[5] = _mm_srai_epi16(in[5], 6);
in[6] = _mm_srai_epi16(in[6], 6);
in[7] = _mm_srai_epi16(in[7], 6);
in[8] = _mm_srai_epi16(in[8], 6);
in[9] = _mm_srai_epi16(in[9], 6);
in[10] = _mm_srai_epi16(in[10], 6);
in[11] = _mm_srai_epi16(in[11], 6);
in[12] = _mm_srai_epi16(in[12], 6);
in[13] = _mm_srai_epi16(in[13], 6);
in[14] = _mm_srai_epi16(in[14], 6);
in[15] = _mm_srai_epi16(in[15], 6);
RECON_AND_STORE(dest + 0 * stride, in[0]);
RECON_AND_STORE(dest + 1 * stride, in[1]);
RECON_AND_STORE(dest + 2 * stride, in[2]);
RECON_AND_STORE(dest + 3 * stride, in[3]);
RECON_AND_STORE(dest + 4 * stride, in[4]);
RECON_AND_STORE(dest + 5 * stride, in[5]);
RECON_AND_STORE(dest + 6 * stride, in[6]);
RECON_AND_STORE(dest + 7 * stride, in[7]);
RECON_AND_STORE(dest + 8 * stride, in[8]);
RECON_AND_STORE(dest + 9 * stride, in[9]);
RECON_AND_STORE(dest + 10 * stride, in[10]);
RECON_AND_STORE(dest + 11 * stride, in[11]);
RECON_AND_STORE(dest + 12 * stride, in[12]);
RECON_AND_STORE(dest + 13 * stride, in[13]);
RECON_AND_STORE(dest + 14 * stride, in[14]);
RECON_AND_STORE(dest + 15 * stride, in[15]);
}
#define TRANSPOSE_4X8_10(tmp0, tmp1, tmp2, tmp3, out0, out1, out2, out3) \
{ \
const __m128i tr0_0 = _mm_unpackhi_epi16(tmp0, tmp1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(tmp1, tmp0); \
const __m128i tr0_4 = _mm_unpacklo_epi16(tmp2, tmp3); \
const __m128i tr0_5 = _mm_unpackhi_epi16(tmp3, tmp2); \
\
const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); \
const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); \
\
out0 = _mm_unpacklo_epi64(tr1_0, tr1_4); \
out1 = _mm_unpackhi_epi64(tr1_0, tr1_4); \
out2 = _mm_unpacklo_epi64(tr1_2, tr1_6); \
out3 = _mm_unpackhi_epi64(tr1_2, tr1_6); \
}
#define TRANSPOSE_8X8_10(in0, in1, in2, in3, out0, out1) \
{ \
const __m128i tr0_0 = _mm_unpacklo_epi16(in0, in1); \
const __m128i tr0_1 = _mm_unpacklo_epi16(in2, in3); \
out0 = _mm_unpacklo_epi32(tr0_0, tr0_1); \
out1 = _mm_unpackhi_epi32(tr0_0, tr0_1); \
}
void iadst16_8col(__m128i *in);
void idct16_8col(__m128i *in);
void aom_idct4_sse2(__m128i *in);
void aom_idct8_sse2(__m128i *in);
void aom_idct16_sse2(__m128i *in0, __m128i *in1);
void aom_iadst4_sse2(__m128i *in);
void aom_iadst8_sse2(__m128i *in);
void aom_iadst16_sse2(__m128i *in0, __m128i *in1);
void idct32_8col(__m128i *in0, __m128i *in1);
#endif // AOM_DSP_X86_INV_TXFM_SSE2_H_
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