ref: b28788c0275e150b17c209effb5d4dee34bfb5ef
dir: /src/x86/looprestoration_init_tmpl.c/
/* * Copyright © 2018, VideoLAN and dav1d authors * Copyright © 2018, Two Orioles, LLC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "src/cpu.h" #include "src/looprestoration.h" #include "common/attributes.h" #include "common/intops.h" #include "src/tables.h" #if BITDEPTH == 8 && ARCH_X86_64 void dav1d_wiener_filter_h_avx2(int16_t *dst, const pixel (*left)[4], const pixel *src, ptrdiff_t stride, const int16_t fh[7], const intptr_t w, int h, enum LrEdgeFlags edges); void dav1d_wiener_filter_v_avx2(pixel *dst, ptrdiff_t stride, const int16_t *mid, int w, int h, const int16_t fv[7], enum LrEdgeFlags edges); // Future potential optimizations: // - special chroma versions which don't filter [0]/[6]; // - running filter_h_avx2 transposed (one col of 32 pixels per iteration, top // to bottom) instead of scanline-ordered should be faster since then the // if (have_left) and similar conditions run only once instead of per line; // - filter_v_avx2 currently runs 16 pixels per iteration, it should be possible // to run 32 (like filter_h_avx2), and then all vpermqs can go; // - maybe split out the top/bottom filter_h_avx2 from the main body filter_h_avx2, // since then the have_left condition can be inlined; // - consider having the wrapper (wiener_filter_avx2) also in hand-written // assembly, so the setup overhead is minimized. static void wiener_filter_avx2(pixel *const dst, const ptrdiff_t dst_stride, const pixel (*const left)[4], const pixel *lpf, const ptrdiff_t lpf_stride, const int w, const int h, const int16_t fh[7], const int16_t fv[7], const enum LrEdgeFlags edges) { ALIGN_STK_32(int16_t, mid, 68 * 384,); // horizontal filter dav1d_wiener_filter_h_avx2(&mid[2 * 384], left, dst, dst_stride, fh, w, h, edges); if (edges & LR_HAVE_TOP) dav1d_wiener_filter_h_avx2(mid, NULL, lpf, lpf_stride, fh, w, 2, edges); if (edges & LR_HAVE_BOTTOM) dav1d_wiener_filter_h_avx2(&mid[(2 + h) * 384], NULL, lpf + 6 * PXSTRIDE(lpf_stride), lpf_stride, fh, w, 2, edges); dav1d_wiener_filter_v_avx2(dst, dst_stride, &mid[2*384], w, h, fv, edges); } void dav1d_sgr_box3_h_avx2(int32_t *sumsq, int16_t *sum, const pixel (*left)[4], const pixel *src, const ptrdiff_t stride, const int w, const int h, const enum LrEdgeFlags edges); void dav1d_sgr_box3_v_avx2(int32_t *sumsq, int16_t *sum, const int w, const int h, const enum LrEdgeFlags edges); void dav1d_sgr_calc_ab1_avx2(int32_t *a, int16_t *b, const int w, const int h, const int strength); void dav1d_sgr_finish_filter1_avx2(coef *tmp, const pixel *src, const ptrdiff_t stride, const int32_t *a, const int16_t *b, const int w, const int h); // filter with a 3x3 box (radius=1) static void dav1d_sgr_filter1_avx2(coef *tmp, const pixel *src, const ptrdiff_t stride, const pixel (*left)[4], const pixel *lpf, const ptrdiff_t lpf_stride, const int w, const int h, const int strength, const enum LrEdgeFlags edges) { ALIGN_STK_32(int32_t, sumsq_mem, (384 + 16) * 68 + 8,); int32_t *const sumsq = &sumsq_mem[(384 + 16) * 2 + 8], *const a = sumsq; ALIGN_STK_32(int16_t, sum_mem, (384 + 16) * 68 + 16,); int16_t *const sum = &sum_mem[(384 + 16) * 2 + 16], *const b = sum; dav1d_sgr_box3_h_avx2(sumsq, sum, left, src, stride, w, h, edges); if (edges & LR_HAVE_TOP) dav1d_sgr_box3_h_avx2(&sumsq[-2 * (384 + 16)], &sum[-2 * (384 + 16)], NULL, lpf, lpf_stride, w, 2, edges); if (edges & LR_HAVE_BOTTOM) dav1d_sgr_box3_h_avx2(&sumsq[h * (384 + 16)], &sum[h * (384 + 16)], NULL, lpf + 6 * PXSTRIDE(lpf_stride), lpf_stride, w, 2, edges); dav1d_sgr_box3_v_avx2(sumsq, sum, w, h, edges); dav1d_sgr_calc_ab1_avx2(a, b, w, h, strength); dav1d_sgr_finish_filter1_avx2(tmp, src, stride, a, b, w, h); } void dav1d_sgr_box5_h_avx2(int32_t *sumsq, int16_t *sum, const pixel (*left)[4], const pixel *src, const ptrdiff_t stride, const int w, const int h, const enum LrEdgeFlags edges); void dav1d_sgr_box5_v_avx2(int32_t *sumsq, int16_t *sum, const int w, const int h, const enum LrEdgeFlags edges); void dav1d_sgr_calc_ab2_avx2(int32_t *a, int16_t *b, const int w, const int h, const int strength); void dav1d_sgr_finish_filter2_avx2(coef *tmp, const pixel *src, const ptrdiff_t stride, const int32_t *a, const int16_t *b, const int w, const int h); // filter with a 5x5 box (radius=2) static void dav1d_sgr_filter2_avx2(coef *tmp, const pixel *src, const ptrdiff_t stride, const pixel (*left)[4], const pixel *lpf, const ptrdiff_t lpf_stride, const int w, const int h, const int strength, const enum LrEdgeFlags edges) { ALIGN_STK_32(int32_t, sumsq_mem, (384 + 16) * 68 + 8,); int32_t *const sumsq = &sumsq_mem[(384 + 16) * 2 + 8], *const a = sumsq; ALIGN_STK_32(int16_t, sum_mem, (384 + 16) * 68 + 16,); int16_t *const sum = &sum_mem[(384 + 16) * 2 + 16], *const b = sum; dav1d_sgr_box5_h_avx2(sumsq, sum, left, src, stride, w, h, edges); if (edges & LR_HAVE_TOP) dav1d_sgr_box5_h_avx2(&sumsq[-2 * (384 + 16)], &sum[-2 * (384 + 16)], NULL, lpf, lpf_stride, w, 2, edges); if (edges & LR_HAVE_BOTTOM) dav1d_sgr_box5_h_avx2(&sumsq[h * (384 + 16)], &sum[h * (384 + 16)], NULL, lpf + 6 * PXSTRIDE(lpf_stride), lpf_stride, w, 2, edges); dav1d_sgr_box5_v_avx2(sumsq, sum, w, h, edges); dav1d_sgr_calc_ab2_avx2(a, b, w, h, strength); dav1d_sgr_finish_filter2_avx2(tmp, src, stride, a, b, w, h); } void dav1d_sgr_weighted1_avx2(pixel *dst, const ptrdiff_t stride, const coef *t1, const int w, const int h, const int wt); void dav1d_sgr_weighted2_avx2(pixel *dst, const ptrdiff_t stride, const coef *t1, const coef *t2, const int w, const int h, const int16_t wt[2]); static void sgr_filter_avx2(pixel *const dst, const ptrdiff_t dst_stride, const pixel (*const left)[4], const pixel *lpf, const ptrdiff_t lpf_stride, const int w, const int h, const int sgr_idx, const int16_t sgr_wt[7], const enum LrEdgeFlags edges) { if (!dav1d_sgr_params[sgr_idx][0]) { ALIGN_STK_32(coef, tmp, 64 * 384,); dav1d_sgr_filter1_avx2(tmp, dst, dst_stride, left, lpf, lpf_stride, w, h, dav1d_sgr_params[sgr_idx][3], edges); dav1d_sgr_weighted1_avx2(dst, dst_stride, tmp, w, h, (1 << 7) - sgr_wt[1]); } else if (!dav1d_sgr_params[sgr_idx][1]) { ALIGN_STK_32(coef, tmp, 64 * 384,); dav1d_sgr_filter2_avx2(tmp, dst, dst_stride, left, lpf, lpf_stride, w, h, dav1d_sgr_params[sgr_idx][2], edges); dav1d_sgr_weighted1_avx2(dst, dst_stride, tmp, w, h, sgr_wt[0]); } else { ALIGN_STK_32(coef, tmp1, 64 * 384,); ALIGN_STK_32(coef, tmp2, 64 * 384,); dav1d_sgr_filter2_avx2(tmp1, dst, dst_stride, left, lpf, lpf_stride, w, h, dav1d_sgr_params[sgr_idx][2], edges); dav1d_sgr_filter1_avx2(tmp2, dst, dst_stride, left, lpf, lpf_stride, w, h, dav1d_sgr_params[sgr_idx][3], edges); const int16_t wt[2] = { sgr_wt[0], 128 - sgr_wt[0] - sgr_wt[1] }; dav1d_sgr_weighted2_avx2(dst, dst_stride, tmp1, tmp2, w, h, wt); } } #endif void bitfn(dav1d_loop_restoration_dsp_init_x86)(Dav1dLoopRestorationDSPContext *const c) { const unsigned flags = dav1d_get_cpu_flags(); if (!(flags & DAV1D_X86_CPU_FLAG_AVX2)) return; #if BITDEPTH == 8 && ARCH_X86_64 c->wiener = wiener_filter_avx2; c->selfguided = sgr_filter_avx2; #endif }