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Diffstat (limited to '')
-rw-r--r-- | third_party/aom/aom_dsp/arm/dist_wtd_avg_neon.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/dist_wtd_avg_neon.h b/third_party/aom/aom_dsp/arm/dist_wtd_avg_neon.h new file mode 100644 index 0000000000..19c9b04c57 --- /dev/null +++ b/third_party/aom/aom_dsp/arm/dist_wtd_avg_neon.h @@ -0,0 +1,65 @@ +/* + * Copyright (c) 2023, Alliance for Open Media. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef AOM_AOM_DSP_ARM_DIST_WTD_AVG_NEON_H_ +#define AOM_AOM_DSP_ARM_DIST_WTD_AVG_NEON_H_ + +#include <arm_neon.h> + +#include "aom_dsp/aom_dsp_common.h" +#include "av1/common/enums.h" + +static INLINE uint8x8_t dist_wtd_avg_u8x8(uint8x8_t a, uint8x8_t b, + uint8x8_t wta, uint8x8_t wtb) { + uint16x8_t wtd_sum = vmull_u8(a, wta); + + wtd_sum = vmlal_u8(wtd_sum, b, wtb); + + return vrshrn_n_u16(wtd_sum, DIST_PRECISION_BITS); +} + +static INLINE uint16x4_t dist_wtd_avg_u16x4(uint16x4_t a, uint16x4_t b, + uint16x4_t wta, uint16x4_t wtb) { + uint32x4_t wtd_sum = vmull_u16(a, wta); + + wtd_sum = vmlal_u16(wtd_sum, b, wtb); + + return vrshrn_n_u32(wtd_sum, DIST_PRECISION_BITS); +} + +static INLINE uint8x16_t dist_wtd_avg_u8x16(uint8x16_t a, uint8x16_t b, + uint8x16_t wta, uint8x16_t wtb) { + uint16x8_t wtd_sum_lo = vmull_u8(vget_low_u8(a), vget_low_u8(wta)); + uint16x8_t wtd_sum_hi = vmull_u8(vget_high_u8(a), vget_high_u8(wta)); + + wtd_sum_lo = vmlal_u8(wtd_sum_lo, vget_low_u8(b), vget_low_u8(wtb)); + wtd_sum_hi = vmlal_u8(wtd_sum_hi, vget_high_u8(b), vget_high_u8(wtb)); + + uint8x8_t wtd_avg_lo = vrshrn_n_u16(wtd_sum_lo, DIST_PRECISION_BITS); + uint8x8_t wtd_avg_hi = vrshrn_n_u16(wtd_sum_hi, DIST_PRECISION_BITS); + + return vcombine_u8(wtd_avg_lo, wtd_avg_hi); +} + +static INLINE uint16x8_t dist_wtd_avg_u16x8(uint16x8_t a, uint16x8_t b, + uint16x8_t wta, uint16x8_t wtb) { + uint32x4_t wtd_sum_lo = vmull_u16(vget_low_u16(a), vget_low_u16(wta)); + uint32x4_t wtd_sum_hi = vmull_u16(vget_high_u16(a), vget_high_u16(wta)); + + wtd_sum_lo = vmlal_u16(wtd_sum_lo, vget_low_u16(b), vget_low_u16(wtb)); + wtd_sum_hi = vmlal_u16(wtd_sum_hi, vget_high_u16(b), vget_high_u16(wtb)); + + uint16x4_t wtd_avg_lo = vrshrn_n_u32(wtd_sum_lo, DIST_PRECISION_BITS); + uint16x4_t wtd_avg_hi = vrshrn_n_u32(wtd_sum_hi, DIST_PRECISION_BITS); + + return vcombine_u16(wtd_avg_lo, wtd_avg_hi); +} + +#endif // AOM_AOM_DSP_ARM_DIST_WTD_AVG_NEON_H_ |