85736e616e
allow the right shift to operate on 64-bits, this matches the rest of
the implementations
previously:
b0f1ae147 vpx_get16x16var_avx2: correct cast order
Change-Id: I632ee5e418f3f9b30e79ecd05588eb172b0783aa
450 lines
19 KiB
C
450 lines
19 KiB
C
/*
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* Copyright (c) 2010 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 <emmintrin.h> // SSE2
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#include "./vpx_config.h"
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_ports/mem.h"
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typedef void (*getNxMvar_fn_t)(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse, int *sum);
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unsigned int vpx_get_mb_ss_sse2(const int16_t *src) {
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__m128i vsum = _mm_setzero_si128();
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int i;
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for (i = 0; i < 32; ++i) {
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const __m128i v = _mm_loadu_si128((const __m128i *)src);
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vsum = _mm_add_epi32(vsum, _mm_madd_epi16(v, v));
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src += 8;
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}
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vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 8));
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vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 4));
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return _mm_cvtsi128_si32(vsum);
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}
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#define READ64(p, stride, i) \
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_mm_unpacklo_epi8( \
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_mm_cvtsi32_si128(*(const uint32_t *)(p + i * stride)), \
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_mm_cvtsi32_si128(*(const uint32_t *)(p + (i + 1) * stride)))
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static void get4x4var_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse, int *sum) {
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const __m128i zero = _mm_setzero_si128();
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const __m128i src0 = _mm_unpacklo_epi8(READ64(src, src_stride, 0), zero);
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const __m128i src1 = _mm_unpacklo_epi8(READ64(src, src_stride, 2), zero);
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const __m128i ref0 = _mm_unpacklo_epi8(READ64(ref, ref_stride, 0), zero);
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const __m128i ref1 = _mm_unpacklo_epi8(READ64(ref, ref_stride, 2), zero);
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const __m128i diff0 = _mm_sub_epi16(src0, ref0);
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const __m128i diff1 = _mm_sub_epi16(src1, ref1);
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// sum
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__m128i vsum = _mm_add_epi16(diff0, diff1);
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 2));
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*sum = (int16_t)_mm_extract_epi16(vsum, 0);
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// sse
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vsum =
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_mm_add_epi32(_mm_madd_epi16(diff0, diff0), _mm_madd_epi16(diff1, diff1));
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vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 8));
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vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 4));
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*sse = _mm_cvtsi128_si32(vsum);
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}
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void vpx_get8x8var_sse2(const uint8_t *src, int src_stride, const uint8_t *ref,
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int ref_stride, unsigned int *sse, int *sum) {
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const __m128i zero = _mm_setzero_si128();
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__m128i vsum = _mm_setzero_si128();
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__m128i vsse = _mm_setzero_si128();
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int i;
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for (i = 0; i < 8; i += 2) {
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const __m128i src0 = _mm_unpacklo_epi8(
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_mm_loadl_epi64((const __m128i *)(src + i * src_stride)), zero);
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const __m128i ref0 = _mm_unpacklo_epi8(
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_mm_loadl_epi64((const __m128i *)(ref + i * ref_stride)), zero);
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const __m128i diff0 = _mm_sub_epi16(src0, ref0);
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const __m128i src1 = _mm_unpacklo_epi8(
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_mm_loadl_epi64((const __m128i *)(src + (i + 1) * src_stride)), zero);
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const __m128i ref1 = _mm_unpacklo_epi8(
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_mm_loadl_epi64((const __m128i *)(ref + (i + 1) * ref_stride)), zero);
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const __m128i diff1 = _mm_sub_epi16(src1, ref1);
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vsum = _mm_add_epi16(vsum, diff0);
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vsum = _mm_add_epi16(vsum, diff1);
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vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff0, diff0));
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vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff1, diff1));
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}
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// sum
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 2));
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*sum = (int16_t)_mm_extract_epi16(vsum, 0);
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// sse
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vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 8));
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vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 4));
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*sse = _mm_cvtsi128_si32(vsse);
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}
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void vpx_get16x16var_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride, unsigned int *sse,
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int *sum) {
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const __m128i zero = _mm_setzero_si128();
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__m128i vsum = _mm_setzero_si128();
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__m128i vsse = _mm_setzero_si128();
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int i;
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for (i = 0; i < 16; ++i) {
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const __m128i s = _mm_loadu_si128((const __m128i *)src);
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const __m128i r = _mm_loadu_si128((const __m128i *)ref);
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const __m128i src0 = _mm_unpacklo_epi8(s, zero);
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const __m128i ref0 = _mm_unpacklo_epi8(r, zero);
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const __m128i diff0 = _mm_sub_epi16(src0, ref0);
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const __m128i src1 = _mm_unpackhi_epi8(s, zero);
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const __m128i ref1 = _mm_unpackhi_epi8(r, zero);
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const __m128i diff1 = _mm_sub_epi16(src1, ref1);
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vsum = _mm_add_epi16(vsum, diff0);
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vsum = _mm_add_epi16(vsum, diff1);
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vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff0, diff0));
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vsse = _mm_add_epi32(vsse, _mm_madd_epi16(diff1, diff1));
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src += src_stride;
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ref += ref_stride;
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}
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// sum
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
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vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
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*sum =
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(int16_t)_mm_extract_epi16(vsum, 0) + (int16_t)_mm_extract_epi16(vsum, 1);
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// sse
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vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 8));
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vsse = _mm_add_epi32(vsse, _mm_srli_si128(vsse, 4));
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*sse = _mm_cvtsi128_si32(vsse);
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}
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static void variance_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride, int w,
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int h, unsigned int *sse, int *sum,
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getNxMvar_fn_t var_fn, int block_size) {
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int i, j;
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*sse = 0;
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*sum = 0;
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for (i = 0; i < h; i += block_size) {
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for (j = 0; j < w; j += block_size) {
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unsigned int sse0;
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int sum0;
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var_fn(src + src_stride * i + j, src_stride, ref + ref_stride * i + j,
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ref_stride, &sse0, &sum0);
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*sse += sse0;
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*sum += sum0;
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}
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}
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}
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unsigned int vpx_variance4x4_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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get4x4var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
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return *sse - ((sum * sum) >> 4);
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}
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unsigned int vpx_variance8x4_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 8, 4, sse, &sum,
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get4x4var_sse2, 4);
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return *sse - ((sum * sum) >> 5);
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}
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unsigned int vpx_variance4x8_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 4, 8, sse, &sum,
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get4x4var_sse2, 4);
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return *sse - ((sum * sum) >> 5);
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}
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unsigned int vpx_variance8x8_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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vpx_get8x8var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
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return *sse - ((sum * sum) >> 6);
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}
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unsigned int vpx_variance16x8_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 16, 8, sse, &sum,
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vpx_get8x8var_sse2, 8);
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return *sse - ((sum * sum) >> 7);
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}
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unsigned int vpx_variance8x16_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 8, 16, sse, &sum,
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vpx_get8x8var_sse2, 8);
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return *sse - ((sum * sum) >> 7);
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}
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unsigned int vpx_variance16x16_sse2(const unsigned char *src, int src_stride,
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const unsigned char *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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vpx_get16x16var_sse2(src, src_stride, ref, ref_stride, sse, &sum);
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return *sse - (uint32_t)(((int64_t)sum * sum) >> 8);
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}
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unsigned int vpx_variance32x32_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 32, 32, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 10);
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}
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unsigned int vpx_variance32x16_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 32, 16, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 9);
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}
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unsigned int vpx_variance16x32_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 16, 32, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 9);
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}
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unsigned int vpx_variance64x64_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 64, 64, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 12);
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}
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unsigned int vpx_variance64x32_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 64, 32, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 11);
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}
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unsigned int vpx_variance32x64_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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int sum;
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variance_sse2(src, src_stride, ref, ref_stride, 32, 64, sse, &sum,
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vpx_get16x16var_sse2, 16);
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return *sse - (unsigned int)(((int64_t)sum * sum) >> 11);
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}
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unsigned int vpx_mse8x8_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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vpx_variance8x8_sse2(src, src_stride, ref, ref_stride, sse);
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return *sse;
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}
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unsigned int vpx_mse8x16_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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vpx_variance8x16_sse2(src, src_stride, ref, ref_stride, sse);
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return *sse;
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}
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unsigned int vpx_mse16x8_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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vpx_variance16x8_sse2(src, src_stride, ref, ref_stride, sse);
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return *sse;
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}
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unsigned int vpx_mse16x16_sse2(const uint8_t *src, int src_stride,
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const uint8_t *ref, int ref_stride,
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unsigned int *sse) {
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vpx_variance16x16_sse2(src, src_stride, ref, ref_stride, sse);
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return *sse;
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}
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// The 2 unused parameters are place holders for PIC enabled build.
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// These definitions are for functions defined in subpel_variance.asm
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#define DECL(w, opt) \
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int vpx_sub_pixel_variance##w##xh_##opt( \
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const uint8_t *src, ptrdiff_t src_stride, int x_offset, int y_offset, \
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const uint8_t *dst, ptrdiff_t dst_stride, int height, unsigned int *sse, \
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void *unused0, void *unused)
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#define DECLS(opt1, opt2) \
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DECL(4, opt1); \
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DECL(8, opt1); \
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DECL(16, opt1)
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DECLS(sse2, sse2);
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DECLS(ssse3, ssse3);
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#undef DECLS
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#undef DECL
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#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
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unsigned int vpx_sub_pixel_variance##w##x##h##_##opt( \
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const uint8_t *src, int src_stride, int x_offset, int y_offset, \
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const uint8_t *dst, int dst_stride, unsigned int *sse_ptr) { \
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unsigned int sse; \
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int se = vpx_sub_pixel_variance##wf##xh_##opt(src, src_stride, x_offset, \
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y_offset, dst, dst_stride, \
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h, &sse, NULL, NULL); \
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if (w > wf) { \
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unsigned int sse2; \
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int se2 = vpx_sub_pixel_variance##wf##xh_##opt( \
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src + 16, src_stride, x_offset, y_offset, dst + 16, dst_stride, h, \
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&sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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if (w > wf * 2) { \
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se2 = vpx_sub_pixel_variance##wf##xh_##opt( \
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src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, h, \
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&sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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se2 = vpx_sub_pixel_variance##wf##xh_##opt( \
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src + 48, src_stride, x_offset, y_offset, dst + 48, dst_stride, h, \
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&sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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} \
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} \
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*sse_ptr = sse; \
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return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
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}
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#define FNS(opt1, opt2) \
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FN(64, 64, 16, 6, 6, opt1, (int64_t), (int64_t)); \
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FN(64, 32, 16, 6, 5, opt1, (int64_t), (int64_t)); \
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FN(32, 64, 16, 5, 6, opt1, (int64_t), (int64_t)); \
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FN(32, 32, 16, 5, 5, opt1, (int64_t), (int64_t)); \
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FN(32, 16, 16, 5, 4, opt1, (int64_t), (int64_t)); \
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FN(16, 32, 16, 4, 5, opt1, (int64_t), (int64_t)); \
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FN(16, 16, 16, 4, 4, opt1, (uint32_t), (int64_t)); \
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FN(16, 8, 16, 4, 3, opt1, (int32_t), (int32_t)); \
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FN(8, 16, 8, 3, 4, opt1, (int32_t), (int32_t)); \
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FN(8, 8, 8, 3, 3, opt1, (int32_t), (int32_t)); \
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FN(8, 4, 8, 3, 2, opt1, (int32_t), (int32_t)); \
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FN(4, 8, 4, 2, 3, opt1, (int32_t), (int32_t)); \
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FN(4, 4, 4, 2, 2, opt1, (int32_t), (int32_t))
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FNS(sse2, sse2);
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FNS(ssse3, ssse3);
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#undef FNS
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#undef FN
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// The 2 unused parameters are place holders for PIC enabled build.
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#define DECL(w, opt) \
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int vpx_sub_pixel_avg_variance##w##xh_##opt( \
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const uint8_t *src, ptrdiff_t src_stride, int x_offset, int y_offset, \
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const uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *sec, \
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ptrdiff_t sec_stride, int height, unsigned int *sse, void *unused0, \
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void *unused)
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#define DECLS(opt1, opt2) \
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DECL(4, opt1); \
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DECL(8, opt1); \
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DECL(16, opt1)
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DECLS(sse2, sse2);
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DECLS(ssse3, ssse3);
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#undef DECL
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#undef DECLS
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#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
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unsigned int vpx_sub_pixel_avg_variance##w##x##h##_##opt( \
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const uint8_t *src, int src_stride, int x_offset, int y_offset, \
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const uint8_t *dst, int dst_stride, unsigned int *sseptr, \
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const uint8_t *sec) { \
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unsigned int sse; \
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int se = vpx_sub_pixel_avg_variance##wf##xh_##opt( \
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src, src_stride, x_offset, y_offset, dst, dst_stride, sec, w, h, &sse, \
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NULL, NULL); \
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if (w > wf) { \
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unsigned int sse2; \
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int se2 = vpx_sub_pixel_avg_variance##wf##xh_##opt( \
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src + 16, src_stride, x_offset, y_offset, dst + 16, dst_stride, \
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sec + 16, w, h, &sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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if (w > wf * 2) { \
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se2 = vpx_sub_pixel_avg_variance##wf##xh_##opt( \
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src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, \
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sec + 32, w, h, &sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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se2 = vpx_sub_pixel_avg_variance##wf##xh_##opt( \
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src + 48, src_stride, x_offset, y_offset, dst + 48, dst_stride, \
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sec + 48, w, h, &sse2, NULL, NULL); \
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se += se2; \
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sse += sse2; \
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} \
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} \
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*sseptr = sse; \
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return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
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}
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#define FNS(opt1, opt2) \
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FN(64, 64, 16, 6, 6, opt1, (int64_t), (int64_t)); \
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FN(64, 32, 16, 6, 5, opt1, (int64_t), (int64_t)); \
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FN(32, 64, 16, 5, 6, opt1, (int64_t), (int64_t)); \
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FN(32, 32, 16, 5, 5, opt1, (int64_t), (int64_t)); \
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FN(32, 16, 16, 5, 4, opt1, (int64_t), (int64_t)); \
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FN(16, 32, 16, 4, 5, opt1, (int64_t), (int64_t)); \
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FN(16, 16, 16, 4, 4, opt1, (uint32_t), (int64_t)); \
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FN(16, 8, 16, 4, 3, opt1, (uint32_t), (int32_t)); \
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FN(8, 16, 8, 3, 4, opt1, (uint32_t), (int32_t)); \
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FN(8, 8, 8, 3, 3, opt1, (uint32_t), (int32_t)); \
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FN(8, 4, 8, 3, 2, opt1, (uint32_t), (int32_t)); \
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FN(4, 8, 4, 2, 3, opt1, (uint32_t), (int32_t)); \
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FN(4, 4, 4, 2, 2, opt1, (uint32_t), (int32_t))
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FNS(sse2, sse);
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FNS(ssse3, ssse3);
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#undef FNS
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#undef FN
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