src/third_party/libvpx/vp8/common/x86/loopfilter_x86.c

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "vpx_config.h"
#include "vp8/common/loopfilter.h"

#define prototype_loopfilter(sym)                                      \
  void sym(unsigned char *src, int pitch, const unsigned char *blimit, \
           const unsigned char *limit, const unsigned char *thresh, int count)

#define prototype_loopfilter_nc(sym)                                   \
  void sym(unsigned char *src, int pitch, const unsigned char *blimit, \
           const unsigned char *limit, const unsigned char *thresh)

#define prototype_simple_loopfilter(sym) \
  void sym(unsigned char *y, int ystride, const unsigned char *blimit)

#if HAVE_SSE2 && VPX_ARCH_X86_64
prototype_loopfilter(vp8_loop_filter_bv_y_sse2);
prototype_loopfilter(vp8_loop_filter_bh_y_sse2);
#else
prototype_loopfilter_nc(vp8_loop_filter_vertical_edge_sse2);
prototype_loopfilter_nc(vp8_loop_filter_horizontal_edge_sse2);
#endif
prototype_loopfilter_nc(vp8_mbloop_filter_vertical_edge_sse2);
prototype_loopfilter_nc(vp8_mbloop_filter_horizontal_edge_sse2);

extern loop_filter_uvfunction vp8_loop_filter_horizontal_edge_uv_sse2;
extern loop_filter_uvfunction vp8_loop_filter_vertical_edge_uv_sse2;
extern loop_filter_uvfunction vp8_mbloop_filter_horizontal_edge_uv_sse2;
extern loop_filter_uvfunction vp8_mbloop_filter_vertical_edge_uv_sse2;

/* Horizontal MB filtering */
#if HAVE_SSE2
void vp8_loop_filter_mbh_sse2(unsigned char *y_ptr, unsigned char *u_ptr,
                              unsigned char *v_ptr, int y_stride, int uv_stride,
                              loop_filter_info *lfi) {
  vp8_mbloop_filter_horizontal_edge_sse2(y_ptr, y_stride, lfi->mblim, lfi->lim,
                                         lfi->hev_thr);

  if (u_ptr) {
    vp8_mbloop_filter_horizontal_edge_uv_sse2(u_ptr, uv_stride, lfi->mblim,
                                              lfi->lim, lfi->hev_thr, v_ptr);
  }
}

/* Vertical MB Filtering */
void vp8_loop_filter_mbv_sse2(unsigned char *y_ptr, unsigned char *u_ptr,
                              unsigned char *v_ptr, int y_stride, int uv_stride,
                              loop_filter_info *lfi) {
  vp8_mbloop_filter_vertical_edge_sse2(y_ptr, y_stride, lfi->mblim, lfi->lim,
                                       lfi->hev_thr);

  if (u_ptr) {
    vp8_mbloop_filter_vertical_edge_uv_sse2(u_ptr, uv_stride, lfi->mblim,
                                            lfi->lim, lfi->hev_thr, v_ptr);
  }
}

/* Horizontal B Filtering */
void vp8_loop_filter_bh_sse2(unsigned char *y_ptr, unsigned char *u_ptr,
                             unsigned char *v_ptr, int y_stride, int uv_stride,
                             loop_filter_info *lfi) {
#if VPX_ARCH_X86_64
  vp8_loop_filter_bh_y_sse2(y_ptr, y_stride, lfi->blim, lfi->lim, lfi->hev_thr,
                            2);
#else
  vp8_loop_filter_horizontal_edge_sse2(y_ptr + 4 * y_stride, y_stride,
                                       lfi->blim, lfi->lim, lfi->hev_thr);
  vp8_loop_filter_horizontal_edge_sse2(y_ptr + 8 * y_stride, y_stride,
                                       lfi->blim, lfi->lim, lfi->hev_thr);
  vp8_loop_filter_horizontal_edge_sse2(y_ptr + 12 * y_stride, y_stride,
                                       lfi->blim, lfi->lim, lfi->hev_thr);
#endif

  if (u_ptr) {
    vp8_loop_filter_horizontal_edge_uv_sse2(u_ptr + 4 * uv_stride, uv_stride,
                                            lfi->blim, lfi->lim, lfi->hev_thr,
                                            v_ptr + 4 * uv_stride);
  }
}

void vp8_loop_filter_bhs_sse2(unsigned char *y_ptr, int y_stride,
                              const unsigned char *blimit) {
  vp8_loop_filter_simple_horizontal_edge_sse2(y_ptr + 4 * y_stride, y_stride,
                                              blimit);
  vp8_loop_filter_simple_horizontal_edge_sse2(y_ptr + 8 * y_stride, y_stride,
                                              blimit);
  vp8_loop_filter_simple_horizontal_edge_sse2(y_ptr + 12 * y_stride, y_stride,
                                              blimit);
}

/* Vertical B Filtering */
void vp8_loop_filter_bv_sse2(unsigned char *y_ptr, unsigned char *u_ptr,
                             unsigned char *v_ptr, int y_stride, int uv_stride,
                             loop_filter_info *lfi) {
#if VPX_ARCH_X86_64
  vp8_loop_filter_bv_y_sse2(y_ptr, y_stride, lfi->blim, lfi->lim, lfi->hev_thr,
                            2);
#else
  vp8_loop_filter_vertical_edge_sse2(y_ptr + 4, y_stride, lfi->blim, lfi->lim,
                                     lfi->hev_thr);
  vp8_loop_filter_vertical_edge_sse2(y_ptr + 8, y_stride, lfi->blim, lfi->lim,
                                     lfi->hev_thr);
  vp8_loop_filter_vertical_edge_sse2(y_ptr + 12, y_stride, lfi->blim, lfi->lim,
                                     lfi->hev_thr);
#endif

  if (u_ptr) {
    vp8_loop_filter_vertical_edge_uv_sse2(u_ptr + 4, uv_stride, lfi->blim,
                                          lfi->lim, lfi->hev_thr, v_ptr + 4);
  }
}

void vp8_loop_filter_bvs_sse2(unsigned char *y_ptr, int y_stride,
                              const unsigned char *blimit) {
  vp8_loop_filter_simple_vertical_edge_sse2(y_ptr + 4, y_stride, blimit);
  vp8_loop_filter_simple_vertical_edge_sse2(y_ptr + 8, y_stride, blimit);
  vp8_loop_filter_simple_vertical_edge_sse2(y_ptr + 12, y_stride, blimit);
}

#endif