be380f2005
vpx_ports/mem.h is necessary for MSVC __builtin_prefetch compatibility macro Change-Id: I210fad6c6b4545df1874d028b31f42018490b029
419 lines
15 KiB
C
419 lines
15 KiB
C
/*
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* Copyright (c) 2014 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <arm_neon.h>
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#include "./vpx_dsp_rtcd.h"
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#include "./vpx_config.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_ports/mem.h"
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static INLINE int horizontal_add_s16x8(const int16x8_t v_16x8) {
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const int32x4_t a = vpaddlq_s16(v_16x8);
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const int64x2_t b = vpaddlq_s32(a);
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const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)),
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vreinterpret_s32_s64(vget_high_s64(b)));
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return vget_lane_s32(c, 0);
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}
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static INLINE int horizontal_add_s32x4(const int32x4_t v_32x4) {
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const int64x2_t b = vpaddlq_s32(v_32x4);
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const int32x2_t c = vadd_s32(vreinterpret_s32_s64(vget_low_s64(b)),
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vreinterpret_s32_s64(vget_high_s64(b)));
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return vget_lane_s32(c, 0);
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}
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// w * h must be less than 2048 or local variable v_sum may overflow.
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static void variance_neon_w8(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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int w, int h, uint32_t *sse, int *sum) {
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int i, j;
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int16x8_t v_sum = vdupq_n_s16(0);
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int32x4_t v_sse_lo = vdupq_n_s32(0);
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int32x4_t v_sse_hi = vdupq_n_s32(0);
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for (i = 0; i < h; ++i) {
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for (j = 0; j < w; j += 8) {
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const uint8x8_t v_a = vld1_u8(&a[j]);
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const uint8x8_t v_b = vld1_u8(&b[j]);
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const uint16x8_t v_diff = vsubl_u8(v_a, v_b);
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const int16x8_t sv_diff = vreinterpretq_s16_u16(v_diff);
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v_sum = vaddq_s16(v_sum, sv_diff);
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v_sse_lo = vmlal_s16(v_sse_lo,
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vget_low_s16(sv_diff),
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vget_low_s16(sv_diff));
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v_sse_hi = vmlal_s16(v_sse_hi,
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vget_high_s16(sv_diff),
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vget_high_s16(sv_diff));
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}
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a += a_stride;
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b += b_stride;
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}
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*sum = horizontal_add_s16x8(v_sum);
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*sse = (unsigned int)horizontal_add_s32x4(vaddq_s32(v_sse_lo, v_sse_hi));
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}
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void vpx_get8x8var_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse, int *sum) {
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variance_neon_w8(a, a_stride, b, b_stride, 8, 8, sse, sum);
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}
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void vpx_get16x16var_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse, int *sum) {
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variance_neon_w8(a, a_stride, b, b_stride, 16, 16, sse, sum);
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}
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unsigned int vpx_variance8x8_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum;
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variance_neon_w8(a, a_stride, b, b_stride, 8, 8, sse, &sum);
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return *sse - (((int64_t)sum * sum) >> 6); // >> 6 = / 8 * 8
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}
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unsigned int vpx_variance16x16_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum;
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variance_neon_w8(a, a_stride, b, b_stride, 16, 16, sse, &sum);
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return *sse - (((int64_t)sum * sum) >> 8); // >> 8 = / 16 * 16
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}
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unsigned int vpx_variance32x32_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum;
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variance_neon_w8(a, a_stride, b, b_stride, 32, 32, sse, &sum);
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return *sse - (((int64_t)sum * sum) >> 10); // >> 10 = / 32 * 32
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}
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unsigned int vpx_variance32x64_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum1, sum2;
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uint32_t sse1, sse2;
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variance_neon_w8(a, a_stride, b, b_stride, 32, 32, &sse1, &sum1);
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variance_neon_w8(a + (32 * a_stride), a_stride,
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b + (32 * b_stride), b_stride, 32, 32,
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&sse2, &sum2);
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*sse = sse1 + sse2;
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sum1 += sum2;
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return *sse - (((int64_t)sum1 * sum1) >> 11); // >> 11 = / 32 * 64
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}
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unsigned int vpx_variance64x32_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum1, sum2;
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uint32_t sse1, sse2;
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variance_neon_w8(a, a_stride, b, b_stride, 64, 16, &sse1, &sum1);
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variance_neon_w8(a + (16 * a_stride), a_stride,
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b + (16 * b_stride), b_stride, 64, 16,
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&sse2, &sum2);
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*sse = sse1 + sse2;
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sum1 += sum2;
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return *sse - (((int64_t)sum1 * sum1) >> 11); // >> 11 = / 32 * 64
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}
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unsigned int vpx_variance64x64_neon(const uint8_t *a, int a_stride,
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const uint8_t *b, int b_stride,
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unsigned int *sse) {
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int sum1, sum2;
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uint32_t sse1, sse2;
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variance_neon_w8(a, a_stride, b, b_stride, 64, 16, &sse1, &sum1);
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variance_neon_w8(a + (16 * a_stride), a_stride,
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b + (16 * b_stride), b_stride, 64, 16,
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&sse2, &sum2);
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sse1 += sse2;
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sum1 += sum2;
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variance_neon_w8(a + (16 * 2 * a_stride), a_stride,
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b + (16 * 2 * b_stride), b_stride,
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64, 16, &sse2, &sum2);
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sse1 += sse2;
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sum1 += sum2;
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variance_neon_w8(a + (16 * 3 * a_stride), a_stride,
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b + (16 * 3 * b_stride), b_stride,
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64, 16, &sse2, &sum2);
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*sse = sse1 + sse2;
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sum1 += sum2;
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return *sse - (((int64_t)sum1 * sum1) >> 12); // >> 12 = / 64 * 64
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}
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unsigned int vpx_variance16x8_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
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uint32x2_t d0u32, d10u32;
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int64x1_t d0s64, d1s64;
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uint8x16_t q0u8, q1u8, q2u8, q3u8;
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uint16x8_t q11u16, q12u16, q13u16, q14u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 4; i++) {
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q0u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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q1u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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__builtin_prefetch(src_ptr);
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q2u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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q3u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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__builtin_prefetch(ref_ptr);
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q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
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q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
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q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
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q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
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d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q13u16));
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q9s32 = vmlal_s16(q9s32, d26s16, d26s16);
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q10s32 = vmlal_s16(q10s32, d27s16, d27s16);
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d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
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d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q14u16));
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q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
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q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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unsigned int vpx_variance8x16_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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uint8x8_t d0u8, d2u8, d4u8, d6u8;
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int16x4_t d22s16, d23s16, d24s16, d25s16;
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uint32x2_t d0u32, d10u32;
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int64x1_t d0s64, d1s64;
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uint16x8_t q11u16, q12u16;
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int32x4_t q8s32, q9s32, q10s32;
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int64x2_t q0s64, q1s64, q5s64;
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 8; i++) {
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d0u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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d2u8 = vld1_u8(src_ptr);
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src_ptr += source_stride;
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__builtin_prefetch(src_ptr);
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d4u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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d6u8 = vld1_u8(ref_ptr);
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ref_ptr += recon_stride;
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__builtin_prefetch(ref_ptr);
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q11u16 = vsubl_u8(d0u8, d4u8);
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q12u16 = vsubl_u8(d2u8, d6u8);
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q11u16));
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q9s32 = vmlal_s16(q9s32, d22s16, d22s16);
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q10s32 = vmlal_s16(q10s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q8s32 = vpadalq_s16(q8s32, vreinterpretq_s16_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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}
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q10s32 = vaddq_s32(q10s32, q9s32);
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q0s64 = vpaddlq_s32(q8s32);
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q1s64 = vpaddlq_s32(q10s32);
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d0s64 = vadd_s64(vget_low_s64(q0s64), vget_high_s64(q0s64));
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d1s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
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q5s64 = vmull_s32(vreinterpret_s32_s64(d0s64),
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vreinterpret_s32_s64(d0s64));
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vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d1s64), 0);
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d10u32 = vshr_n_u32(vreinterpret_u32_s64(vget_low_s64(q5s64)), 7);
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d0u32 = vsub_u32(vreinterpret_u32_s64(d1s64), d10u32);
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return vget_lane_u32(d0u32, 0);
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}
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unsigned int vpx_mse16x16_neon(
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const unsigned char *src_ptr,
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int source_stride,
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const unsigned char *ref_ptr,
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int recon_stride,
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unsigned int *sse) {
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int i;
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int16x4_t d22s16, d23s16, d24s16, d25s16, d26s16, d27s16, d28s16, d29s16;
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int64x1_t d0s64;
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uint8x16_t q0u8, q1u8, q2u8, q3u8;
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int32x4_t q7s32, q8s32, q9s32, q10s32;
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uint16x8_t q11u16, q12u16, q13u16, q14u16;
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int64x2_t q1s64;
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q7s32 = vdupq_n_s32(0);
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q8s32 = vdupq_n_s32(0);
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q9s32 = vdupq_n_s32(0);
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q10s32 = vdupq_n_s32(0);
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for (i = 0; i < 8; i++) { // mse16x16_neon_loop
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q0u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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q1u8 = vld1q_u8(src_ptr);
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src_ptr += source_stride;
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q2u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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q3u8 = vld1q_u8(ref_ptr);
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ref_ptr += recon_stride;
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q11u16 = vsubl_u8(vget_low_u8(q0u8), vget_low_u8(q2u8));
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q12u16 = vsubl_u8(vget_high_u8(q0u8), vget_high_u8(q2u8));
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q13u16 = vsubl_u8(vget_low_u8(q1u8), vget_low_u8(q3u8));
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q14u16 = vsubl_u8(vget_high_u8(q1u8), vget_high_u8(q3u8));
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d22s16 = vreinterpret_s16_u16(vget_low_u16(q11u16));
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d23s16 = vreinterpret_s16_u16(vget_high_u16(q11u16));
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q7s32 = vmlal_s16(q7s32, d22s16, d22s16);
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q8s32 = vmlal_s16(q8s32, d23s16, d23s16);
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d24s16 = vreinterpret_s16_u16(vget_low_u16(q12u16));
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d25s16 = vreinterpret_s16_u16(vget_high_u16(q12u16));
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q9s32 = vmlal_s16(q9s32, d24s16, d24s16);
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q10s32 = vmlal_s16(q10s32, d25s16, d25s16);
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d26s16 = vreinterpret_s16_u16(vget_low_u16(q13u16));
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d27s16 = vreinterpret_s16_u16(vget_high_u16(q13u16));
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q7s32 = vmlal_s16(q7s32, d26s16, d26s16);
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q8s32 = vmlal_s16(q8s32, d27s16, d27s16);
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d28s16 = vreinterpret_s16_u16(vget_low_u16(q14u16));
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d29s16 = vreinterpret_s16_u16(vget_high_u16(q14u16));
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q9s32 = vmlal_s16(q9s32, d28s16, d28s16);
|
|
q10s32 = vmlal_s16(q10s32, d29s16, d29s16);
|
|
}
|
|
|
|
q7s32 = vaddq_s32(q7s32, q8s32);
|
|
q9s32 = vaddq_s32(q9s32, q10s32);
|
|
q10s32 = vaddq_s32(q7s32, q9s32);
|
|
|
|
q1s64 = vpaddlq_s32(q10s32);
|
|
d0s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
|
|
|
|
vst1_lane_u32((uint32_t *)sse, vreinterpret_u32_s64(d0s64), 0);
|
|
return vget_lane_u32(vreinterpret_u32_s64(d0s64), 0);
|
|
}
|
|
|
|
unsigned int vpx_get4x4sse_cs_neon(
|
|
const unsigned char *src_ptr,
|
|
int source_stride,
|
|
const unsigned char *ref_ptr,
|
|
int recon_stride) {
|
|
int16x4_t d22s16, d24s16, d26s16, d28s16;
|
|
int64x1_t d0s64;
|
|
uint8x8_t d0u8, d1u8, d2u8, d3u8, d4u8, d5u8, d6u8, d7u8;
|
|
int32x4_t q7s32, q8s32, q9s32, q10s32;
|
|
uint16x8_t q11u16, q12u16, q13u16, q14u16;
|
|
int64x2_t q1s64;
|
|
|
|
d0u8 = vld1_u8(src_ptr);
|
|
src_ptr += source_stride;
|
|
d4u8 = vld1_u8(ref_ptr);
|
|
ref_ptr += recon_stride;
|
|
d1u8 = vld1_u8(src_ptr);
|
|
src_ptr += source_stride;
|
|
d5u8 = vld1_u8(ref_ptr);
|
|
ref_ptr += recon_stride;
|
|
d2u8 = vld1_u8(src_ptr);
|
|
src_ptr += source_stride;
|
|
d6u8 = vld1_u8(ref_ptr);
|
|
ref_ptr += recon_stride;
|
|
d3u8 = vld1_u8(src_ptr);
|
|
src_ptr += source_stride;
|
|
d7u8 = vld1_u8(ref_ptr);
|
|
ref_ptr += recon_stride;
|
|
|
|
q11u16 = vsubl_u8(d0u8, d4u8);
|
|
q12u16 = vsubl_u8(d1u8, d5u8);
|
|
q13u16 = vsubl_u8(d2u8, d6u8);
|
|
q14u16 = vsubl_u8(d3u8, d7u8);
|
|
|
|
d22s16 = vget_low_s16(vreinterpretq_s16_u16(q11u16));
|
|
d24s16 = vget_low_s16(vreinterpretq_s16_u16(q12u16));
|
|
d26s16 = vget_low_s16(vreinterpretq_s16_u16(q13u16));
|
|
d28s16 = vget_low_s16(vreinterpretq_s16_u16(q14u16));
|
|
|
|
q7s32 = vmull_s16(d22s16, d22s16);
|
|
q8s32 = vmull_s16(d24s16, d24s16);
|
|
q9s32 = vmull_s16(d26s16, d26s16);
|
|
q10s32 = vmull_s16(d28s16, d28s16);
|
|
|
|
q7s32 = vaddq_s32(q7s32, q8s32);
|
|
q9s32 = vaddq_s32(q9s32, q10s32);
|
|
q9s32 = vaddq_s32(q7s32, q9s32);
|
|
|
|
q1s64 = vpaddlq_s32(q9s32);
|
|
d0s64 = vadd_s64(vget_low_s64(q1s64), vget_high_s64(q1s64));
|
|
|
|
return vget_lane_u32(vreinterpret_u32_s64(d0s64), 0);
|
|
}
|