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-rw-r--r--third_party/aom/av1/encoder/x86/encodetxb_avx2.c130
1 files changed, 130 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/x86/encodetxb_avx2.c b/third_party/aom/av1/encoder/x86/encodetxb_avx2.c
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index 000000000..7642f57d1
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+++ b/third_party/aom/av1/encoder/x86/encodetxb_avx2.c
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+/*
+ * Copyright (c) 2018, 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 <smmintrin.h> /* SSE4.1 */
+#include <immintrin.h> /* AVX2 */
+
+#include "aom/aom_integer.h"
+#include "aom_dsp/x86/mem_sse2.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/txb_common.h"
+#include "aom_dsp/x86/synonyms.h"
+#include "aom_dsp/x86/synonyms_avx2.h"
+
+void av1_txb_init_levels_avx2(const tran_low_t *const coeff, const int width,
+ const int height, uint8_t *const levels) {
+ const int stride = width + TX_PAD_HOR;
+ const __m256i y_zeros = _mm256_setzero_si256();
+
+ const int32_t pre_len = sizeof(*levels) * TX_PAD_TOP * stride;
+ uint8_t *pre_buf = levels - TX_PAD_TOP * stride;
+ uint8_t *pre_buf_end = pre_buf + pre_len;
+ do {
+ yy_storeu_256(pre_buf, y_zeros);
+ pre_buf += 32;
+ } while (pre_buf < pre_buf_end);
+
+ const int32_t bottom_len = sizeof(*levels) * (TX_PAD_BOTTOM * stride);
+ uint8_t *bottom_buf_end = levels + (height + TX_PAD_BOTTOM) * stride;
+ uint8_t *bottom_buf = bottom_buf_end - ((bottom_len + 31) & (~31));
+
+ do {
+ yy_storeu_256(bottom_buf, y_zeros);
+ bottom_buf += 32;
+ } while (bottom_buf < bottom_buf_end);
+
+ int i = 0;
+ uint8_t *ls = levels;
+ const tran_low_t *cf = coeff;
+ if (width == 4) {
+ do {
+ const __m256i c0 = yy_loadu_256(cf);
+ const __m256i c1 = yy_loadu_256(cf + 8);
+ const __m256i abs01 = _mm256_abs_epi16(_mm256_packs_epi32(c0, c1));
+ const __m256i abs01_8 = _mm256_packs_epi16(abs01, y_zeros);
+ const __m256i res_ = _mm256_shuffle_epi32(abs01_8, 0xd8);
+ const __m256i res = _mm256_permute4x64_epi64(res_, 0xd8);
+ yy_storeu_256(ls, res);
+ ls += 32;
+ cf += 16;
+ i += 4;
+ } while (i < height);
+ } else if (width == 8) {
+ do {
+ const __m256i coeffA = yy_loadu_256(cf);
+ const __m256i coeffB = yy_loadu_256(cf + 8);
+ const __m256i coeffC = yy_loadu_256(cf + 16);
+ const __m256i coeffD = yy_loadu_256(cf + 24);
+ const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB);
+ const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD);
+ const __m256i absAB = _mm256_abs_epi16(coeffAB);
+ const __m256i absCD = _mm256_abs_epi16(coeffCD);
+ const __m256i absABCD = _mm256_packs_epi16(absAB, absCD);
+ const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8);
+ const __m256i res = _mm256_shuffle_epi32(res_, 0xd8);
+ const __m128i res0 = _mm256_castsi256_si128(res);
+ const __m128i res1 = _mm256_extracti128_si256(res, 1);
+ xx_storel_64(ls, res0);
+ *(int32_t *)(ls + width) = 0;
+ xx_storel_64(ls + stride, _mm_srli_si128(res0, 8));
+ *(int32_t *)(ls + width + stride) = 0;
+ xx_storel_64(ls + stride * 2, res1);
+ *(int32_t *)(ls + width + stride * 2) = 0;
+ xx_storel_64(ls + stride * 3, _mm_srli_si128(res1, 8));
+ *(int32_t *)(ls + width + stride * 3) = 0;
+ cf += 32;
+ ls += stride << 2;
+ i += 4;
+ } while (i < height);
+ } else if (width == 16) {
+ do {
+ const __m256i coeffA = yy_loadu_256(cf);
+ const __m256i coeffB = yy_loadu_256(cf + 8);
+ const __m256i coeffC = yy_loadu_256(cf + 16);
+ const __m256i coeffD = yy_loadu_256(cf + 24);
+ const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB);
+ const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD);
+ const __m256i absAB = _mm256_abs_epi16(coeffAB);
+ const __m256i absCD = _mm256_abs_epi16(coeffCD);
+ const __m256i absABCD = _mm256_packs_epi16(absAB, absCD);
+ const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8);
+ const __m256i res = _mm256_shuffle_epi32(res_, 0xd8);
+ xx_storeu_128(ls, _mm256_castsi256_si128(res));
+ xx_storeu_128(ls + stride, _mm256_extracti128_si256(res, 1));
+ cf += 32;
+ *(int32_t *)(ls + width) = 0;
+ *(int32_t *)(ls + stride + width) = 0;
+ ls += stride << 1;
+ i += 2;
+ } while (i < height);
+ } else {
+ do {
+ const __m256i coeffA = yy_loadu_256(cf);
+ const __m256i coeffB = yy_loadu_256(cf + 8);
+ const __m256i coeffC = yy_loadu_256(cf + 16);
+ const __m256i coeffD = yy_loadu_256(cf + 24);
+ const __m256i coeffAB = _mm256_packs_epi32(coeffA, coeffB);
+ const __m256i coeffCD = _mm256_packs_epi32(coeffC, coeffD);
+ const __m256i absAB = _mm256_abs_epi16(coeffAB);
+ const __m256i absCD = _mm256_abs_epi16(coeffCD);
+ const __m256i absABCD = _mm256_packs_epi16(absAB, absCD);
+ const __m256i res_ = _mm256_permute4x64_epi64(absABCD, 0xd8);
+ const __m256i res = _mm256_shuffle_epi32(res_, 0xd8);
+ yy_storeu_256(ls, res);
+ cf += 32;
+ *(int32_t *)(ls + width) = 0;
+ ls += stride;
+ i += 1;
+ } while (i < height);
+ }
+}