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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.
*/
#include <assert.h>
#include <emmintrin.h> // SSE2
#include <tmmintrin.h>
#include "config/aom_config.h"
#include "config/aom_dsp_rtcd.h"
#include "config/av1_rtcd.h"
#include "aom_dsp/x86/synonyms.h"
void aom_var_filter_block2d_bil_first_pass_ssse3(
const uint8_t *a, uint16_t *b, unsigned int src_pixels_per_line,
unsigned int pixel_step, unsigned int output_height,
unsigned int output_width, const uint8_t *filter);
void aom_var_filter_block2d_bil_second_pass_ssse3(
const uint16_t *a, uint8_t *b, unsigned int src_pixels_per_line,
unsigned int pixel_step, unsigned int output_height,
unsigned int output_width, const uint8_t *filter);
static INLINE void compute_jnt_comp_avg(__m128i *p0, __m128i *p1,
const __m128i *w, const __m128i *r,
void *const result) {
__m128i p_lo = _mm_unpacklo_epi8(*p0, *p1);
__m128i mult_lo = _mm_maddubs_epi16(p_lo, *w);
__m128i round_lo = _mm_add_epi16(mult_lo, *r);
__m128i shift_lo = _mm_srai_epi16(round_lo, DIST_PRECISION_BITS);
__m128i p_hi = _mm_unpackhi_epi8(*p0, *p1);
__m128i mult_hi = _mm_maddubs_epi16(p_hi, *w);
__m128i round_hi = _mm_add_epi16(mult_hi, *r);
__m128i shift_hi = _mm_srai_epi16(round_hi, DIST_PRECISION_BITS);
xx_storeu_128(result, _mm_packus_epi16(shift_lo, shift_hi));
}
void aom_jnt_comp_avg_pred_ssse3(uint8_t *comp_pred, const uint8_t *pred,
int width, int height, const uint8_t *ref,
int ref_stride,
const JNT_COMP_PARAMS *jcp_param) {
int i;
const uint8_t w0 = (uint8_t)jcp_param->fwd_offset;
const uint8_t w1 = (uint8_t)jcp_param->bck_offset;
const __m128i w = _mm_set_epi8(w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, w1, w0,
w1, w0, w1, w0);
const uint16_t round = ((1 << DIST_PRECISION_BITS) >> 1);
const __m128i r =
_mm_set_epi16(round, round, round, round, round, round, round, round);
if (width >= 16) {
// Read 16 pixels one row at a time
assert(!(width & 15));
for (i = 0; i < height; ++i) {
int j;
for (j = 0; j < width; j += 16) {
__m128i p0 = xx_loadu_128(ref);
__m128i p1 = xx_loadu_128(pred);
compute_jnt_comp_avg(&p0, &p1, &w, &r, comp_pred);
comp_pred += 16;
pred += 16;
ref += 16;
}
ref += ref_stride - width;
}
} else if (width >= 8) {
// Read 8 pixels two row at a time
assert(!(width & 7));
assert(!(width & 1));
for (i = 0; i < height; i += 2) {
__m128i p0_0 = xx_loadl_64(ref + 0 * ref_stride);
__m128i p0_1 = xx_loadl_64(ref + 1 * ref_stride);
__m128i p0 = _mm_unpacklo_epi64(p0_0, p0_1);
__m128i p1 = xx_loadu_128(pred);
compute_jnt_comp_avg(&p0, &p1, &w, &r, comp_pred);
comp_pred += 16;
pred += 16;
ref += 2 * ref_stride;
}
} else {
// Read 4 pixels four row at a time
assert(!(width & 3));
assert(!(height & 3));
for (i = 0; i < height; i += 4) {
const uint8_t *row0 = ref + 0 * ref_stride;
const uint8_t *row1 = ref + 1 * ref_stride;
const uint8_t *row2 = ref + 2 * ref_stride;
const uint8_t *row3 = ref + 3 * ref_stride;
__m128i p0 =
_mm_setr_epi8(row0[0], row0[1], row0[2], row0[3], row1[0], row1[1],
row1[2], row1[3], row2[0], row2[1], row2[2], row2[3],
row3[0], row3[1], row3[2], row3[3]);
__m128i p1 = xx_loadu_128(pred);
compute_jnt_comp_avg(&p0, &p1, &w, &r, comp_pred);
comp_pred += 16;
pred += 16;
ref += 4 * ref_stride;
}
}
}
void aom_jnt_comp_avg_upsampled_pred_ssse3(
MACROBLOCKD *xd, const struct AV1Common *const cm, int mi_row, int mi_col,
const MV *const mv, uint8_t *comp_pred, const uint8_t *pred, int width,
int height, int subpel_x_q3, int subpel_y_q3, const uint8_t *ref,
int ref_stride, const JNT_COMP_PARAMS *jcp_param) {
int n;
int i;
aom_upsampled_pred(xd, cm, mi_row, mi_col, mv, comp_pred, width, height,
subpel_x_q3, subpel_y_q3, ref, ref_stride);
/*The total number of pixels must be a multiple of 16 (e.g., 4x4).*/
assert(!(width * height & 15));
n = width * height >> 4;
const uint8_t w0 = (uint8_t)jcp_param->fwd_offset;
const uint8_t w1 = (uint8_t)jcp_param->bck_offset;
const __m128i w = _mm_set_epi8(w1, w0, w1, w0, w1, w0, w1, w0, w1, w0, w1, w0,
w1, w0, w1, w0);
const uint16_t round = ((1 << DIST_PRECISION_BITS) >> 1);
const __m128i r =
_mm_set_epi16(round, round, round, round, round, round, round, round);
for (i = 0; i < n; i++) {
__m128i p0 = xx_loadu_128(comp_pred);
__m128i p1 = xx_loadu_128(pred);
compute_jnt_comp_avg(&p0, &p1, &w, &r, comp_pred);
comp_pred += 16;
pred += 16;
}
}
#define JNT_SUBPIX_AVG_VAR(W, H) \
uint32_t aom_jnt_sub_pixel_avg_variance##W##x##H##_ssse3( \
const uint8_t *a, int a_stride, int xoffset, int yoffset, \
const uint8_t *b, int b_stride, uint32_t *sse, \
const uint8_t *second_pred, const JNT_COMP_PARAMS *jcp_param) { \
uint16_t fdata3[(H + 1) * W]; \
uint8_t temp2[H * W]; \
DECLARE_ALIGNED(16, uint8_t, temp3[H * W]); \
\
aom_var_filter_block2d_bil_first_pass_ssse3( \
a, fdata3, a_stride, 1, H + 1, W, bilinear_filters_2t[xoffset]); \
aom_var_filter_block2d_bil_second_pass_ssse3( \
fdata3, temp2, W, W, H, W, bilinear_filters_2t[yoffset]); \
\
aom_jnt_comp_avg_pred_ssse3(temp3, second_pred, W, H, temp2, W, \
jcp_param); \
\
return aom_variance##W##x##H(temp3, W, b, b_stride, sse); \
}
JNT_SUBPIX_AVG_VAR(128, 128)
JNT_SUBPIX_AVG_VAR(128, 64)
JNT_SUBPIX_AVG_VAR(64, 128)
JNT_SUBPIX_AVG_VAR(64, 64)
JNT_SUBPIX_AVG_VAR(64, 32)
JNT_SUBPIX_AVG_VAR(32, 64)
JNT_SUBPIX_AVG_VAR(32, 32)
JNT_SUBPIX_AVG_VAR(32, 16)
JNT_SUBPIX_AVG_VAR(16, 32)
JNT_SUBPIX_AVG_VAR(16, 16)
JNT_SUBPIX_AVG_VAR(16, 8)
JNT_SUBPIX_AVG_VAR(8, 16)
JNT_SUBPIX_AVG_VAR(8, 8)
JNT_SUBPIX_AVG_VAR(8, 4)
JNT_SUBPIX_AVG_VAR(4, 8)
JNT_SUBPIX_AVG_VAR(4, 4)
JNT_SUBPIX_AVG_VAR(4, 16)
JNT_SUBPIX_AVG_VAR(16, 4)
JNT_SUBPIX_AVG_VAR(8, 32)
JNT_SUBPIX_AVG_VAR(32, 8)
JNT_SUBPIX_AVG_VAR(16, 64)
JNT_SUBPIX_AVG_VAR(64, 16)
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