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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/x86/intrapred_x86.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/intrapred_x86.h b/third_party/aom/aom_dsp/x86/intrapred_x86.h new file mode 100644 index 0000000000..b13f575a76 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/intrapred_x86.h @@ -0,0 +1,38 @@ +/* + * 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_ |