libvpx: Pull from upstream

source/libvpx/vp9/encoder/x86/vp9_variance_avx2.c

 /*
  *  Copyright (c) 2012 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 "./vp9_rtcd.h"
 #include "./vpx_config.h"
 
 #include "vp9/encoder/vp9_variance.h"
 #include "vpx_ports/mem.h"
 
-typedef void (*get_var_avx2)(const uint8_t *src, int src_stride,
-                             const uint8_t *ref, int ref_stride,
-                             unsigned int *sse, int *sum);
-
-void vp9_get16x16var_avx2(const uint8_t *src, int src_stride,
-                          const uint8_t *ref, int ref_stride,
-                          unsigned int *sse, int *sum);
-
-void vp9_get32x32var_avx2(const uint8_t *src, int src_stride,
-                          const uint8_t *ref, int ref_stride,
-                          unsigned int *sse, int *sum);
-
 unsigned int vp9_sub_pixel_variance32xh_avx2(const uint8_t *src, int src_stride,
                                              int x_offset, int y_offset,
                                              const uint8_t *dst, int dst_stride,
                                              int height,
                                              unsigned int *sse);
 
 unsigned int vp9_sub_pixel_avg_variance32xh_avx2(const uint8_t *src,
                                                  int src_stride,
                                                  int x_offset,
                                                  int y_offset,
                                                  const uint8_t *dst,
                                                  int dst_stride,
                                                  const uint8_t *sec,
                                                  int sec_stride,
                                                  int height,
                                                  unsigned int *sseptr);
 
-static void variance_avx2(const uint8_t *src, int src_stride,
-                          const uint8_t *ref, int  ref_stride,
-                          int w, int h, unsigned int *sse, int *sum,
-                          get_var_avx2 var_fn, int block_size) {
-  int i, j;
-
-  *sse = 0;
-  *sum = 0;
-
-  for (i = 0; i < h; i += 16) {
-    for (j = 0; j < w; j += block_size) {
-      unsigned int sse0;
-      int sum0;
-      var_fn(&src[src_stride * i + j], src_stride,
-             &ref[ref_stride * i + j], ref_stride, &sse0, &sum0);
-      *sse += sse0;
-      *sum += sum0;
-    }
-  }
-}
-
-
-unsigned int vp9_variance16x16_avx2(const uint8_t *src, int src_stride,
-                                    const uint8_t *ref, int ref_stride,
-                                    unsigned int *sse) {
-  int sum;
-  variance_avx2(src, src_stride, ref, ref_stride, 16, 16,
-                sse, &sum, vp9_get16x16var_avx2, 16);
-  return *sse - (((unsigned int)sum * sum) >> 8);
-}
-
-unsigned int vp9_mse16x16_avx2(const uint8_t *src, int src_stride,
-                               const uint8_t *ref, int ref_stride,
-                               unsigned int *sse) {
-  int sum;
-  vp9_get16x16var_avx2(src, src_stride, ref, ref_stride, sse, &sum);
-  return *sse;
-}
-
-unsigned int vp9_variance32x16_avx2(const uint8_t *src, int src_stride,
-                                    const uint8_t *ref, int ref_stride,
-                                    unsigned int *sse) {
-  int sum;
-  variance_avx2(src, src_stride, ref, ref_stride, 32, 16,
-                sse, &sum, vp9_get32x32var_avx2, 32);
-  return *sse - (((int64_t)sum * sum) >> 9);
-}
-
-unsigned int vp9_variance32x32_avx2(const uint8_t *src, int src_stride,
-                                    const uint8_t *ref, int ref_stride,
-                                    unsigned int *sse) {
-  int sum;
-  variance_avx2(src, src_stride, ref, ref_stride, 32, 32,
-                sse, &sum, vp9_get32x32var_avx2, 32);
-  return *sse - (((int64_t)sum * sum) >> 10);
-}
-
-unsigned int vp9_variance64x64_avx2(const uint8_t *src, int src_stride,
-                                    const uint8_t *ref, int ref_stride,
-                                    unsigned int *sse) {
-  int sum;
-  variance_avx2(src, src_stride, ref, ref_stride, 64, 64,
-                sse, &sum, vp9_get32x32var_avx2, 32);
-  return *sse - (((int64_t)sum * sum) >> 12);
-}
-
-unsigned int vp9_variance64x32_avx2(const uint8_t *src, int src_stride,
-                                    const uint8_t *ref, int ref_stride,
-                                    unsigned int *sse) {
-  int sum;
-  variance_avx2(src, src_stride, ref, ref_stride, 64, 32,
-                sse, &sum, vp9_get32x32var_avx2, 32);
-  return *sse - (((int64_t)sum * sum) >> 11);
-}
-
 unsigned int vp9_sub_pixel_variance64x64_avx2(const uint8_t *src,
                                               int src_stride,
                                               int x_offset,
                                               int y_offset,
                                               const uint8_t *dst,
                                               int dst_stride,
                                               unsigned int *sse) {
   unsigned int sse1;
   const int se1 = vp9_sub_pixel_variance32xh_avx2(src, src_stride, x_offset,
                                                   y_offset, dst, dst_stride,
@@ skipping 52 matching lines @@
                                                   const uint8_t *dst,
                                                   int dst_stride,
                                                   unsigned int *sse,
                                                   const uint8_t *sec) {
   // processing 32 element in parallel
   const int se = vp9_sub_pixel_avg_variance32xh_avx2(src, src_stride, x_offset,
                                                      y_offset, dst, dst_stride,
                                                      sec, 32, 32, sse);
   return *sse - (((int64_t)se * se) >> 10);
 }