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/*
* Copyright (c) 2020, 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_AOM_DSP_X86_INTRAPRED_X86_H_
#define AOM_AOM_DSP_X86_INTRAPRED_X86_H_
#include <emmintrin.h> // SSE2
#include "aom/aom_integer.h"
#include "config/aom_config.h"
static INLINE __m128i dc_sum_16_sse2(const uint8_t *ref) {
__m128i x = _mm_load_si128((__m128i const *)ref);
const __m128i zero = _mm_setzero_si128();
x = _mm_sad_epu8(x, zero);
const __m128i high = _mm_unpackhi_epi64(x, x);
return _mm_add_epi16(x, high);
}
static INLINE __m128i dc_sum_32_sse2(const uint8_t *ref) {
__m128i x0 = _mm_load_si128((__m128i const *)ref);
__m128i x1 = _mm_load_si128((__m128i const *)(ref + 16));
const __m128i zero = _mm_setzero_si128();
x0 = _mm_sad_epu8(x0, zero);
x1 = _mm_sad_epu8(x1, zero);
x0 = _mm_add_epi16(x0, x1);
const __m128i high = _mm_unpackhi_epi64(x0, x0);
return _mm_add_epi16(x0, high);
}
#endif // AOM_AOM_DSP_X86_INTRAPRED_X86_H_
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