39 lines
1.4 KiB
C
39 lines
1.4 KiB
C
/*
|
|
* 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_
|