libvpx: Pull from upstream

source/libvpx/vpx_dsp/x86/highbd_variance_sse2.c

Index: source/libvpx/vpx_dsp/x86/highbd_variance_sse2.c
diff --git a/source/libvpx/vpx_dsp/x86/highbd_variance_sse2.c b/source/libvpx/vpx_dsp/x86/highbd_variance_sse2.c
new file mode 100644
index 0000000000000000000000000000000000000000..343c0478b9aa3e134e585754b3fdaeea36a598dc
--- /dev/null
+++ b/source/libvpx/vpx_dsp/x86/highbd_variance_sse2.c
@@ -0,0 +1,245 @@
+/*
+ *  Copyright (c) 2014 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 "vp9/common/vp9_common.h"
+
+#include "vp9/encoder/vp9_variance.h"
+#include "vpx_ports/mem.h"
+
+typedef uint32_t (*high_variance_fn_t) (const uint16_t *src, int src_stride,
+                                        const uint16_t *ref, int ref_stride,
+                                        uint32_t *sse, int *sum);
+
+uint32_t vpx_highbd_calc8x8var_sse2(const uint16_t *src, int src_stride,
+                                    const uint16_t *ref, int ref_stride,
+                                    uint32_t *sse, int *sum);
+
+uint32_t vpx_highbd_calc16x16var_sse2(const uint16_t *src, int src_stride,
+                                      const uint16_t *ref, int ref_stride,
+                                      uint32_t *sse, int *sum);
+
+static void highbd_8_variance_sse2(const uint16_t *src, int src_stride,
+                                   const uint16_t *ref, int ref_stride,
+                                   int w, int h, uint32_t *sse, int *sum,
+                                   high_variance_fn_t var_fn, int block_size) {
+  int i, j;
+
+  *sse = 0;
+  *sum = 0;
+
+  for (i = 0; i < h; i += block_size) {
+    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;
+    }
+  }
+}
+
+static void highbd_10_variance_sse2(const uint16_t *src, int src_stride,
+                                    const uint16_t *ref, int ref_stride,
+                                    int w, int h, uint32_t *sse, int *sum,
+                                    high_variance_fn_t var_fn, int block_size) {
+  int i, j;
+  uint64_t sse_long = 0;
+  int64_t sum_long = 0;
+
+  for (i = 0; i < h; i += block_size) {
+    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_long += sse0;
+      sum_long += sum0;
+    }
+  }
+  *sum = ROUND_POWER_OF_TWO(sum_long, 2);
+  *sse = ROUND_POWER_OF_TWO(sse_long, 4);
+}
+
+static void highbd_12_variance_sse2(const uint16_t *src, int src_stride,
+                                    const uint16_t *ref, int ref_stride,
+                                    int w, int h, uint32_t *sse, int *sum,
+                                    high_variance_fn_t var_fn, int block_size) {
+  int i, j;
+  uint64_t sse_long = 0;
+  int64_t sum_long = 0;
+
+  for (i = 0; i < h; i += block_size) {
+    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_long += sse0;
+      sum_long += sum0;
+    }
+  }
+  *sum = ROUND_POWER_OF_TWO(sum_long, 4);
+  *sse = ROUND_POWER_OF_TWO(sse_long, 8);
+}
+
+
+#define HIGH_GET_VAR(S) \
+void vpx_highbd_get##S##x##S##var_sse2(const uint8_t *src8, int src_stride, \
+                                       const uint8_t *ref8, int ref_stride, \
+                                       uint32_t *sse, int *sum) { \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  vpx_highbd_calc##S##x##S##var_sse2(src, src_stride, ref, ref_stride, \
+                                     sse, sum); \
+} \
+\
+void vpx_highbd_10_get##S##x##S##var_sse2(const uint8_t *src8, int src_stride, \
+                                          const uint8_t *ref8, int ref_stride, \
+                                          uint32_t *sse, int *sum) { \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  vpx_highbd_calc##S##x##S##var_sse2(src, src_stride, ref, ref_stride, \
+                                     sse, sum); \
+  *sum = ROUND_POWER_OF_TWO(*sum, 2); \
+  *sse = ROUND_POWER_OF_TWO(*sse, 4); \
+} \
+\
+void vpx_highbd_12_get##S##x##S##var_sse2(const uint8_t *src8, int src_stride, \
+                                          const uint8_t *ref8, int ref_stride, \
+                                          uint32_t *sse, int *sum) { \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  vpx_highbd_calc##S##x##S##var_sse2(src, src_stride, ref, ref_stride, \
+                                     sse, sum); \
+  *sum = ROUND_POWER_OF_TWO(*sum, 4); \
+  *sse = ROUND_POWER_OF_TWO(*sse, 8); \
+}
+
+HIGH_GET_VAR(16);
+HIGH_GET_VAR(8);
+
+#undef HIGH_GET_VAR
+
+#define VAR_FN(w, h, block_size, shift) \
+uint32_t vpx_highbd_8_variance##w##x##h##_sse2( \
+    const uint8_t *src8, int src_stride, \
+    const uint8_t *ref8, int ref_stride, uint32_t *sse) { \
+  int sum; \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  highbd_8_variance_sse2(src, src_stride, ref, ref_stride, w, h, sse, &sum, \
+                         vpx_highbd_calc##block_size##x##block_size##var_sse2, \
+                         block_size); \
+  return *sse - (((int64_t)sum * sum) >> shift); \
+} \
+\
+uint32_t vpx_highbd_10_variance##w##x##h##_sse2( \
+    const uint8_t *src8, int src_stride, \
+    const uint8_t *ref8, int ref_stride, uint32_t *sse) { \
+  int sum; \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  highbd_10_variance_sse2( \
+      src, src_stride, ref, ref_stride, w, h, sse, &sum, \
+      vpx_highbd_calc##block_size##x##block_size##var_sse2, block_size); \
+  return *sse - (((int64_t)sum * sum) >> shift); \
+} \
+\
+uint32_t vpx_highbd_12_variance##w##x##h##_sse2( \
+    const uint8_t *src8, int src_stride, \
+    const uint8_t *ref8, int ref_stride, uint32_t *sse) { \
+  int sum; \
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8); \
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8); \
+  highbd_12_variance_sse2( \
+      src, src_stride, ref, ref_stride, w, h, sse, &sum, \
+      vpx_highbd_calc##block_size##x##block_size##var_sse2, block_size); \
+  return *sse - (((int64_t)sum * sum) >> shift); \
+}
+
+VAR_FN(64, 64, 16, 12);
+VAR_FN(64, 32, 16, 11);
+VAR_FN(32, 64, 16, 11);
+VAR_FN(32, 32, 16, 10);
+VAR_FN(32, 16, 16, 9);
+VAR_FN(16, 32, 16, 9);
+VAR_FN(16, 16, 16, 8);
+VAR_FN(16, 8, 8, 7);
+VAR_FN(8, 16, 8, 7);
+VAR_FN(8, 8, 8, 6);
+
+#undef VAR_FN
+
+unsigned int vpx_highbd_8_mse16x16_sse2(const uint8_t *src8, int src_stride,
+                                      const uint8_t *ref8, int ref_stride,
+                                      unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_8_variance_sse2(src, src_stride, ref, ref_stride, 16, 16,
+                         sse, &sum, vpx_highbd_calc16x16var_sse2, 16);
+  return *sse;
+}
+
+unsigned int vpx_highbd_10_mse16x16_sse2(const uint8_t *src8, int src_stride,
+                                         const uint8_t *ref8, int ref_stride,
+                                         unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_10_variance_sse2(src, src_stride, ref, ref_stride, 16, 16,
+                          sse, &sum, vpx_highbd_calc16x16var_sse2, 16);
+  return *sse;
+}
+
+unsigned int vpx_highbd_12_mse16x16_sse2(const uint8_t *src8, int src_stride,
+                                         const uint8_t *ref8, int ref_stride,
+                                         unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_12_variance_sse2(src, src_stride, ref, ref_stride, 16, 16,
+                          sse, &sum, vpx_highbd_calc16x16var_sse2, 16);
+  return *sse;
+}
+
+unsigned int vpx_highbd_8_mse8x8_sse2(const uint8_t *src8, int src_stride,
+                                    const uint8_t *ref8, int ref_stride,
+                                    unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_8_variance_sse2(src, src_stride, ref, ref_stride, 8, 8,
+                         sse, &sum, vpx_highbd_calc8x8var_sse2, 8);
+  return *sse;
+}
+
+unsigned int vpx_highbd_10_mse8x8_sse2(const uint8_t *src8, int src_stride,
+                                       const uint8_t *ref8, int ref_stride,
+                                       unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_10_variance_sse2(src, src_stride, ref, ref_stride, 8, 8,
+                          sse, &sum, vpx_highbd_calc8x8var_sse2, 8);
+  return *sse;
+}
+
+unsigned int vpx_highbd_12_mse8x8_sse2(const uint8_t *src8, int src_stride,
+                                       const uint8_t *ref8, int ref_stride,
+                                       unsigned int *sse) {
+  int sum;
+  uint16_t *src = CONVERT_TO_SHORTPTR(src8);
+  uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+  highbd_12_variance_sse2(src, src_stride, ref, ref_stride, 8, 8,
+                          sse, &sum, vpx_highbd_calc8x8var_sse2, 8);
+  return *sse;
+}