diff options
Diffstat (limited to 'vpx_dsp/arm/highbd_variance_neon_dotprod.c')
| -rw-r--r-- | vpx_dsp/arm/highbd_variance_neon_dotprod.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/vpx_dsp/arm/highbd_variance_neon_dotprod.c b/vpx_dsp/arm/highbd_variance_neon_dotprod.c new file mode 100644 index 000000000..1a8872017 --- /dev/null +++ b/vpx_dsp/arm/highbd_variance_neon_dotprod.c @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2022 The WebM project authors. 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. + */ + +#include <arm_neon.h> + +#include "./vpx_dsp_rtcd.h" +#include "./vpx_config.h" + +#include "vpx/vpx_integer.h" +#include "vpx_dsp/arm/mem_neon.h" +#include "vpx_dsp/arm/sum_neon.h" +#include "vpx_ports/mem.h" + +static INLINE uint32_t highbd_mse8_8xh_neon_dotprod(const uint16_t *src_ptr, + int src_stride, + const uint16_t *ref_ptr, + int ref_stride, int h) { + uint32x4_t sse_u32 = vdupq_n_u32(0); + + int i = h / 2; + do { + uint16x8_t s0, s1, r0, r1; + uint8x16_t s, r, diff; + + s0 = vld1q_u16(src_ptr); + src_ptr += src_stride; + s1 = vld1q_u16(src_ptr); + src_ptr += src_stride; + r0 = vld1q_u16(ref_ptr); + ref_ptr += ref_stride; + r1 = vld1q_u16(ref_ptr); + ref_ptr += ref_stride; + + s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1)); + r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1)); + + diff = vabdq_u8(s, r); + sse_u32 = vdotq_u32(sse_u32, diff, diff); + } while (--i != 0); + + return horizontal_add_uint32x4(sse_u32); +} + +static INLINE uint32_t highbd_mse8_16xh_neon_dotprod(const uint16_t *src_ptr, + int src_stride, + const uint16_t *ref_ptr, + int ref_stride, int h) { + uint32x4_t sse_u32 = vdupq_n_u32(0); + + int i = h; + do { + uint16x8_t s0, s1, r0, r1; + uint8x16_t s, r, diff; + + s0 = vld1q_u16(src_ptr); + s1 = vld1q_u16(src_ptr + 8); + r0 = vld1q_u16(ref_ptr); + r1 = vld1q_u16(ref_ptr + 8); + + s = vcombine_u8(vmovn_u16(s0), vmovn_u16(s1)); + r = vcombine_u8(vmovn_u16(r0), vmovn_u16(r1)); + + diff = vabdq_u8(s, r); + sse_u32 = vdotq_u32(sse_u32, diff, diff); + + src_ptr += src_stride; + ref_ptr += ref_stride; + } while (--i != 0); + + return horizontal_add_uint32x4(sse_u32); +} + +#define HIGHBD_MSE_WXH_NEON_DOTPROD(w, h) \ + uint32_t vpx_highbd_8_mse##w##x##h##_neon_dotprod( \ + const uint8_t *src_ptr, int src_stride, const uint8_t *ref_ptr, \ + int ref_stride, uint32_t *sse) { \ + uint16_t *src = CONVERT_TO_SHORTPTR(src_ptr); \ + uint16_t *ref = CONVERT_TO_SHORTPTR(ref_ptr); \ + *sse = \ + highbd_mse8_##w##xh_neon_dotprod(src, src_stride, ref, ref_stride, h); \ + return *sse; \ + } + +HIGHBD_MSE_WXH_NEON_DOTPROD(16, 16) +HIGHBD_MSE_WXH_NEON_DOTPROD(16, 8) +HIGHBD_MSE_WXH_NEON_DOTPROD(8, 16) +HIGHBD_MSE_WXH_NEON_DOTPROD(8, 8) + +#undef HIGHBD_MSE_WXH_NEON_DOTPROD |