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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/jnt_variance_ssse3.c | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/jnt_variance_ssse3.c b/third_party/aom/aom_dsp/x86/jnt_variance_ssse3.c new file mode 100644 index 0000000000..f9a41a210b --- /dev/null +++ b/third_party/aom/aom_dsp/x86/jnt_variance_ssse3.c @@ -0,0 +1,192 @@ +/* + * 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 subpel_search) { + 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, subpel_search); + /*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) |