417 lines
17 KiB
C
417 lines
17 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 <immintrin.h>
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#include "./vpx_dsp_rtcd.h"
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#include "vpx_dsp/x86/convolve.h"
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#include "vpx_dsp/x86/convolve_avx2.h"
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#include "vpx_ports/mem.h"
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// filters for 16_h8
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DECLARE_ALIGNED(32, static const uint8_t, filt1_global_avx2[32]) = {
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0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8,
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0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8
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};
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DECLARE_ALIGNED(32, static const uint8_t, filt2_global_avx2[32]) = {
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2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10,
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2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10
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};
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DECLARE_ALIGNED(32, static const uint8_t, filt3_global_avx2[32]) = {
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4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12,
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4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12
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};
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DECLARE_ALIGNED(32, static const uint8_t, filt4_global_avx2[32]) = {
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6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14,
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6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13, 14
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};
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static INLINE void vpx_filter_block1d16_h8_x_avx2(
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const uint8_t *src_ptr, ptrdiff_t src_pixels_per_line, uint8_t *output_ptr,
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ptrdiff_t output_pitch, uint32_t output_height, const int16_t *filter,
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const int avg) {
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__m128i outReg1, outReg2;
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__m256i outReg32b1, outReg32b2;
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unsigned int i;
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ptrdiff_t src_stride, dst_stride;
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__m256i f[4], filt[4], s[4];
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shuffle_filter_avx2(filter, f);
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filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2);
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filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2);
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filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2);
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filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2);
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// multiple the size of the source and destination stride by two
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src_stride = src_pixels_per_line << 1;
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dst_stride = output_pitch << 1;
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for (i = output_height; i > 1; i -= 2) {
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__m256i srcReg;
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// load the 2 strides of source
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srcReg =
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_mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)(src_ptr - 3)));
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srcReg = _mm256_inserti128_si256(
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srcReg,
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_mm_loadu_si128((const __m128i *)(src_ptr + src_pixels_per_line - 3)),
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1);
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// filter the source buffer
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s[0] = _mm256_shuffle_epi8(srcReg, filt[0]);
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s[1] = _mm256_shuffle_epi8(srcReg, filt[1]);
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s[2] = _mm256_shuffle_epi8(srcReg, filt[2]);
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s[3] = _mm256_shuffle_epi8(srcReg, filt[3]);
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outReg32b1 = convolve8_16_avx2(s, f);
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// reading 2 strides of the next 16 bytes
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// (part of it was being read by earlier read)
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srcReg =
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_mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)(src_ptr + 5)));
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srcReg = _mm256_inserti128_si256(
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srcReg,
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_mm_loadu_si128((const __m128i *)(src_ptr + src_pixels_per_line + 5)),
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1);
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// filter the source buffer
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s[0] = _mm256_shuffle_epi8(srcReg, filt[0]);
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s[1] = _mm256_shuffle_epi8(srcReg, filt[1]);
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s[2] = _mm256_shuffle_epi8(srcReg, filt[2]);
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s[3] = _mm256_shuffle_epi8(srcReg, filt[3]);
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outReg32b2 = convolve8_16_avx2(s, f);
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// shrink to 8 bit each 16 bits, the low and high 64-bits of each lane
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// contain the first and second convolve result respectively
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outReg32b1 = _mm256_packus_epi16(outReg32b1, outReg32b2);
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src_ptr += src_stride;
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// average if necessary
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outReg1 = _mm256_castsi256_si128(outReg32b1);
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outReg2 = _mm256_extractf128_si256(outReg32b1, 1);
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if (avg) {
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outReg1 = _mm_avg_epu8(outReg1, _mm_load_si128((__m128i *)output_ptr));
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outReg2 = _mm_avg_epu8(
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outReg2, _mm_load_si128((__m128i *)(output_ptr + output_pitch)));
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}
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// save 16 bytes
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_mm_store_si128((__m128i *)output_ptr, outReg1);
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// save the next 16 bits
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_mm_store_si128((__m128i *)(output_ptr + output_pitch), outReg2);
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output_ptr += dst_stride;
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}
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// if the number of strides is odd.
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// process only 16 bytes
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if (i > 0) {
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__m128i srcReg;
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// load the first 16 bytes of the last row
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srcReg = _mm_loadu_si128((const __m128i *)(src_ptr - 3));
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// filter the source buffer
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s[0] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[0])));
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s[1] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[1])));
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s[2] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[2])));
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s[3] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[3])));
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outReg1 = convolve8_8_avx2(s, f);
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// reading the next 16 bytes
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// (part of it was being read by earlier read)
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srcReg = _mm_loadu_si128((const __m128i *)(src_ptr + 5));
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// filter the source buffer
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s[0] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[0])));
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s[1] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[1])));
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s[2] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[2])));
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s[3] = _mm256_castsi128_si256(
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_mm_shuffle_epi8(srcReg, _mm256_castsi256_si128(filt[3])));
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outReg2 = convolve8_8_avx2(s, f);
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// shrink to 8 bit each 16 bits, the low and high 64-bits of each lane
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// contain the first and second convolve result respectively
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outReg1 = _mm_packus_epi16(outReg1, outReg2);
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// average if necessary
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if (avg) {
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outReg1 = _mm_avg_epu8(outReg1, _mm_load_si128((__m128i *)output_ptr));
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}
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// save 16 bytes
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_mm_store_si128((__m128i *)output_ptr, outReg1);
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}
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}
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static void vpx_filter_block1d16_h8_avx2(
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const uint8_t *src_ptr, ptrdiff_t src_stride, uint8_t *output_ptr,
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ptrdiff_t dst_stride, uint32_t output_height, const int16_t *filter) {
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vpx_filter_block1d16_h8_x_avx2(src_ptr, src_stride, output_ptr, dst_stride,
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output_height, filter, 0);
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}
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static void vpx_filter_block1d16_h8_avg_avx2(
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const uint8_t *src_ptr, ptrdiff_t src_stride, uint8_t *output_ptr,
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ptrdiff_t dst_stride, uint32_t output_height, const int16_t *filter) {
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vpx_filter_block1d16_h8_x_avx2(src_ptr, src_stride, output_ptr, dst_stride,
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output_height, filter, 1);
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}
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static INLINE void vpx_filter_block1d16_v8_x_avx2(
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const uint8_t *src_ptr, ptrdiff_t src_pitch, uint8_t *output_ptr,
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ptrdiff_t out_pitch, uint32_t output_height, const int16_t *filter,
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const int avg) {
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__m128i outReg1, outReg2;
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__m256i srcRegHead1;
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unsigned int i;
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ptrdiff_t src_stride, dst_stride;
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__m256i f[4], s1[4], s2[4];
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shuffle_filter_avx2(filter, f);
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// multiple the size of the source and destination stride by two
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src_stride = src_pitch << 1;
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dst_stride = out_pitch << 1;
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{
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__m128i s[6];
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__m256i s32b[6];
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// load 16 bytes 7 times in stride of src_pitch
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s[0] = _mm_loadu_si128((const __m128i *)(src_ptr + 0 * src_pitch));
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s[1] = _mm_loadu_si128((const __m128i *)(src_ptr + 1 * src_pitch));
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s[2] = _mm_loadu_si128((const __m128i *)(src_ptr + 2 * src_pitch));
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s[3] = _mm_loadu_si128((const __m128i *)(src_ptr + 3 * src_pitch));
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s[4] = _mm_loadu_si128((const __m128i *)(src_ptr + 4 * src_pitch));
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s[5] = _mm_loadu_si128((const __m128i *)(src_ptr + 5 * src_pitch));
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srcRegHead1 = _mm256_castsi128_si256(
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_mm_loadu_si128((const __m128i *)(src_ptr + 6 * src_pitch)));
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// have each consecutive loads on the same 256 register
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s32b[0] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[0]), s[1], 1);
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s32b[1] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[1]), s[2], 1);
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s32b[2] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[2]), s[3], 1);
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s32b[3] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[3]), s[4], 1);
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s32b[4] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[4]), s[5], 1);
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s32b[5] = _mm256_inserti128_si256(_mm256_castsi128_si256(s[5]),
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_mm256_castsi256_si128(srcRegHead1), 1);
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// merge every two consecutive registers except the last one
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// the first lanes contain values for filtering odd rows (1,3,5...) and
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// the second lanes contain values for filtering even rows (2,4,6...)
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s1[0] = _mm256_unpacklo_epi8(s32b[0], s32b[1]);
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s2[0] = _mm256_unpackhi_epi8(s32b[0], s32b[1]);
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s1[1] = _mm256_unpacklo_epi8(s32b[2], s32b[3]);
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s2[1] = _mm256_unpackhi_epi8(s32b[2], s32b[3]);
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s1[2] = _mm256_unpacklo_epi8(s32b[4], s32b[5]);
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s2[2] = _mm256_unpackhi_epi8(s32b[4], s32b[5]);
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}
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for (i = output_height; i > 1; i -= 2) {
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__m256i srcRegHead2, srcRegHead3;
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// load the next 2 loads of 16 bytes and have every two
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// consecutive loads in the same 256 bit register
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srcRegHead2 = _mm256_castsi128_si256(
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_mm_loadu_si128((const __m128i *)(src_ptr + 7 * src_pitch)));
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srcRegHead1 = _mm256_inserti128_si256(
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srcRegHead1, _mm256_castsi256_si128(srcRegHead2), 1);
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srcRegHead3 = _mm256_castsi128_si256(
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_mm_loadu_si128((const __m128i *)(src_ptr + 8 * src_pitch)));
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srcRegHead2 = _mm256_inserti128_si256(
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srcRegHead2, _mm256_castsi256_si128(srcRegHead3), 1);
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// merge the two new consecutive registers
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// the first lane contain values for filtering odd rows (1,3,5...) and
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// the second lane contain values for filtering even rows (2,4,6...)
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s1[3] = _mm256_unpacklo_epi8(srcRegHead1, srcRegHead2);
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s2[3] = _mm256_unpackhi_epi8(srcRegHead1, srcRegHead2);
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s1[0] = convolve8_16_avx2(s1, f);
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s2[0] = convolve8_16_avx2(s2, f);
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// shrink to 8 bit each 16 bits, the low and high 64-bits of each lane
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// contain the first and second convolve result respectively
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s1[0] = _mm256_packus_epi16(s1[0], s2[0]);
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src_ptr += src_stride;
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// average if necessary
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outReg1 = _mm256_castsi256_si128(s1[0]);
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outReg2 = _mm256_extractf128_si256(s1[0], 1);
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if (avg) {
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outReg1 = _mm_avg_epu8(outReg1, _mm_load_si128((__m128i *)output_ptr));
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outReg2 = _mm_avg_epu8(
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outReg2, _mm_load_si128((__m128i *)(output_ptr + out_pitch)));
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}
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// save 16 bytes
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_mm_store_si128((__m128i *)output_ptr, outReg1);
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// save the next 16 bits
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_mm_store_si128((__m128i *)(output_ptr + out_pitch), outReg2);
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output_ptr += dst_stride;
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// shift down by two rows
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s1[0] = s1[1];
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s2[0] = s2[1];
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s1[1] = s1[2];
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s2[1] = s2[2];
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s1[2] = s1[3];
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s2[2] = s2[3];
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srcRegHead1 = srcRegHead3;
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}
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// if the number of strides is odd.
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// process only 16 bytes
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if (i > 0) {
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// load the last 16 bytes
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const __m128i srcRegHead2 =
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_mm_loadu_si128((const __m128i *)(src_ptr + src_pitch * 7));
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// merge the last 2 results together
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s1[0] = _mm256_castsi128_si256(
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_mm_unpacklo_epi8(_mm256_castsi256_si128(srcRegHead1), srcRegHead2));
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s2[0] = _mm256_castsi128_si256(
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_mm_unpackhi_epi8(_mm256_castsi256_si128(srcRegHead1), srcRegHead2));
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outReg1 = convolve8_8_avx2(s1, f);
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outReg2 = convolve8_8_avx2(s2, f);
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// shrink to 8 bit each 16 bits, the low and high 64-bits of each lane
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// contain the first and second convolve result respectively
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outReg1 = _mm_packus_epi16(outReg1, outReg2);
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// average if necessary
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if (avg) {
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outReg1 = _mm_avg_epu8(outReg1, _mm_load_si128((__m128i *)output_ptr));
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}
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// save 16 bytes
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_mm_store_si128((__m128i *)output_ptr, outReg1);
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}
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}
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static void vpx_filter_block1d16_v8_avx2(const uint8_t *src_ptr,
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ptrdiff_t src_stride, uint8_t *dst_ptr,
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ptrdiff_t dst_stride, uint32_t height,
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const int16_t *filter) {
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vpx_filter_block1d16_v8_x_avx2(src_ptr, src_stride, dst_ptr, dst_stride,
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height, filter, 0);
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}
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static void vpx_filter_block1d16_v8_avg_avx2(
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const uint8_t *src_ptr, ptrdiff_t src_stride, uint8_t *dst_ptr,
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ptrdiff_t dst_stride, uint32_t height, const int16_t *filter) {
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vpx_filter_block1d16_v8_x_avx2(src_ptr, src_stride, dst_ptr, dst_stride,
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height, filter, 1);
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}
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#if HAVE_AVX2 && HAVE_SSSE3
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filter8_1dfunction vpx_filter_block1d4_v8_ssse3;
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#if ARCH_X86_64
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filter8_1dfunction vpx_filter_block1d8_v8_intrin_ssse3;
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filter8_1dfunction vpx_filter_block1d8_h8_intrin_ssse3;
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filter8_1dfunction vpx_filter_block1d4_h8_intrin_ssse3;
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#define vpx_filter_block1d8_v8_avx2 vpx_filter_block1d8_v8_intrin_ssse3
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#define vpx_filter_block1d8_h8_avx2 vpx_filter_block1d8_h8_intrin_ssse3
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#define vpx_filter_block1d4_h8_avx2 vpx_filter_block1d4_h8_intrin_ssse3
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#else // ARCH_X86
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filter8_1dfunction vpx_filter_block1d8_v8_ssse3;
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filter8_1dfunction vpx_filter_block1d8_h8_ssse3;
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filter8_1dfunction vpx_filter_block1d4_h8_ssse3;
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#define vpx_filter_block1d8_v8_avx2 vpx_filter_block1d8_v8_ssse3
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#define vpx_filter_block1d8_h8_avx2 vpx_filter_block1d8_h8_ssse3
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#define vpx_filter_block1d4_h8_avx2 vpx_filter_block1d4_h8_ssse3
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#endif // ARCH_X86_64
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filter8_1dfunction vpx_filter_block1d8_v8_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d8_h8_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d4_v8_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d4_h8_avg_ssse3;
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#define vpx_filter_block1d8_v8_avg_avx2 vpx_filter_block1d8_v8_avg_ssse3
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#define vpx_filter_block1d8_h8_avg_avx2 vpx_filter_block1d8_h8_avg_ssse3
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#define vpx_filter_block1d4_v8_avg_avx2 vpx_filter_block1d4_v8_avg_ssse3
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#define vpx_filter_block1d4_h8_avg_avx2 vpx_filter_block1d4_h8_avg_ssse3
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filter8_1dfunction vpx_filter_block1d16_v2_ssse3;
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filter8_1dfunction vpx_filter_block1d16_h2_ssse3;
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filter8_1dfunction vpx_filter_block1d8_v2_ssse3;
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filter8_1dfunction vpx_filter_block1d8_h2_ssse3;
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filter8_1dfunction vpx_filter_block1d4_v2_ssse3;
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filter8_1dfunction vpx_filter_block1d4_h2_ssse3;
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#define vpx_filter_block1d4_v8_avx2 vpx_filter_block1d4_v8_ssse3
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#define vpx_filter_block1d16_v2_avx2 vpx_filter_block1d16_v2_ssse3
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#define vpx_filter_block1d16_h2_avx2 vpx_filter_block1d16_h2_ssse3
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#define vpx_filter_block1d8_v2_avx2 vpx_filter_block1d8_v2_ssse3
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#define vpx_filter_block1d8_h2_avx2 vpx_filter_block1d8_h2_ssse3
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#define vpx_filter_block1d4_v2_avx2 vpx_filter_block1d4_v2_ssse3
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#define vpx_filter_block1d4_h2_avx2 vpx_filter_block1d4_h2_ssse3
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filter8_1dfunction vpx_filter_block1d16_v2_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d16_h2_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d8_v2_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d8_h2_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d4_v2_avg_ssse3;
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filter8_1dfunction vpx_filter_block1d4_h2_avg_ssse3;
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#define vpx_filter_block1d16_v2_avg_avx2 vpx_filter_block1d16_v2_avg_ssse3
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#define vpx_filter_block1d16_h2_avg_avx2 vpx_filter_block1d16_h2_avg_ssse3
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#define vpx_filter_block1d8_v2_avg_avx2 vpx_filter_block1d8_v2_avg_ssse3
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#define vpx_filter_block1d8_h2_avg_avx2 vpx_filter_block1d8_h2_avg_ssse3
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#define vpx_filter_block1d4_v2_avg_avx2 vpx_filter_block1d4_v2_avg_ssse3
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#define vpx_filter_block1d4_h2_avg_avx2 vpx_filter_block1d4_h2_avg_ssse3
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// void vpx_convolve8_horiz_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4, int y_step_q4,
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// int w, int h);
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// void vpx_convolve8_vert_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4, int y_step_q4,
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// int w, int h);
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// void vpx_convolve8_avg_horiz_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4,
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// int y_step_q4, int w, int h);
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// void vpx_convolve8_avg_vert_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4,
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// int y_step_q4, int w, int h);
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FUN_CONV_1D(horiz, x0_q4, x_step_q4, h, src, , avx2);
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FUN_CONV_1D(vert, y0_q4, y_step_q4, v, src - src_stride * 3, , avx2);
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FUN_CONV_1D(avg_horiz, x0_q4, x_step_q4, h, src, avg_, avx2);
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FUN_CONV_1D(avg_vert, y0_q4, y_step_q4, v, src - src_stride * 3, avg_, avx2);
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// void vpx_convolve8_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4, int y_step_q4,
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// int w, int h);
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// void vpx_convolve8_avg_avx2(const uint8_t *src, ptrdiff_t src_stride,
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// uint8_t *dst, ptrdiff_t dst_stride,
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// const InterpKernel *filter, int x0_q4,
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// int32_t x_step_q4, int y0_q4, int y_step_q4,
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// int w, int h);
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FUN_CONV_2D(, avx2);
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FUN_CONV_2D(avg_, avx2);
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#endif // HAVE_AX2 && HAVE_SSSE3
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