ref: 04d2e574252ef017dab722e56393eadab1236060
dir: /vp9/encoder/x86/vp9_variance_sse2.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 <emmintrin.h> // SSE2
#include "./vp9_rtcd.h"
#include "./vpx_config.h"
#include "vp9/encoder/vp9_variance.h"
#include "vpx_ports/mem.h"
// The 2 unused parameters are place holders for PIC enabled build.
#define DECL(w, opt) \
int vp9_sub_pixel_variance##w##xh_##opt(const uint8_t *src, \
ptrdiff_t src_stride, \
int x_offset, int y_offset, \
const uint8_t *dst, \
ptrdiff_t dst_stride, \
int height, unsigned int *sse, \
void *unused0, void *unused)
#define DECLS(opt1, opt2) \
DECL(4, opt2); \
DECL(8, opt1); \
DECL(16, opt1)
DECLS(sse2, sse);
DECLS(ssse3, ssse3);
#undef DECLS
#undef DECL
#define FN(w, h, wf, wlog2, hlog2, opt, cast) \
unsigned int vp9_sub_pixel_variance##w##x##h##_##opt(const uint8_t *src, \
int src_stride, \
int x_offset, \
int y_offset, \
const uint8_t *dst, \
int dst_stride, \
unsigned int *sse_ptr) { \
unsigned int sse; \
int se = vp9_sub_pixel_variance##wf##xh_##opt(src, src_stride, x_offset, \
y_offset, dst, dst_stride, \
h, &sse, NULL, NULL); \
if (w > wf) { \
unsigned int sse2; \
int se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 16, src_stride, \
x_offset, y_offset, \
dst + 16, dst_stride, \
h, &sse2, NULL, NULL); \
se += se2; \
sse += sse2; \
if (w > wf * 2) { \
se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 32, src_stride, \
x_offset, y_offset, \
dst + 32, dst_stride, \
h, &sse2, NULL, NULL); \
se += se2; \
sse += sse2; \
se2 = vp9_sub_pixel_variance##wf##xh_##opt(src + 48, src_stride, \
x_offset, y_offset, \
dst + 48, dst_stride, \
h, &sse2, NULL, NULL); \
se += se2; \
sse += sse2; \
} \
} \
*sse_ptr = sse; \
return sse - ((cast se * se) >> (wlog2 + hlog2)); \
}
#define FNS(opt1, opt2) \
FN(64, 64, 16, 6, 6, opt1, (int64_t)); \
FN(64, 32, 16, 6, 5, opt1, (int64_t)); \
FN(32, 64, 16, 5, 6, opt1, (int64_t)); \
FN(32, 32, 16, 5, 5, opt1, (int64_t)); \
FN(32, 16, 16, 5, 4, opt1, (int64_t)); \
FN(16, 32, 16, 4, 5, opt1, (int64_t)); \
FN(16, 16, 16, 4, 4, opt1, (unsigned int)); \
FN(16, 8, 16, 4, 3, opt1, (unsigned int)); \
FN(8, 16, 8, 3, 4, opt1, (unsigned int)); \
FN(8, 8, 8, 3, 3, opt1, (unsigned int)); \
FN(8, 4, 8, 3, 2, opt1, (unsigned int)); \
FN(4, 8, 4, 2, 3, opt2, (unsigned int)); \
FN(4, 4, 4, 2, 2, opt2, (unsigned int))
FNS(sse2, sse);
FNS(ssse3, ssse3);
#undef FNS
#undef FN
// The 2 unused parameters are place holders for PIC enabled build.
#define DECL(w, opt) \
int vp9_sub_pixel_avg_variance##w##xh_##opt(const uint8_t *src, \
ptrdiff_t src_stride, \
int x_offset, int y_offset, \
const uint8_t *dst, \
ptrdiff_t dst_stride, \
const uint8_t *sec, \
ptrdiff_t sec_stride, \
int height, unsigned int *sse, \
void *unused0, void *unused)
#define DECLS(opt1, opt2) \
DECL(4, opt2); \
DECL(8, opt1); \
DECL(16, opt1)
DECLS(sse2, sse);
DECLS(ssse3, ssse3);
#undef DECL
#undef DECLS
#define FN(w, h, wf, wlog2, hlog2, opt, cast) \
unsigned int vp9_sub_pixel_avg_variance##w##x##h##_##opt(const uint8_t *src, \
int src_stride, \
int x_offset, \
int y_offset, \
const uint8_t *dst, \
int dst_stride, \
unsigned int *sseptr, \
const uint8_t *sec) { \
unsigned int sse; \
int se = vp9_sub_pixel_avg_variance##wf##xh_##opt(src, src_stride, x_offset, \
y_offset, dst, dst_stride, \
sec, w, h, &sse, NULL, \
NULL); \
if (w > wf) { \
unsigned int sse2; \
int se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 16, src_stride, \
x_offset, y_offset, \
dst + 16, dst_stride, \
sec + 16, w, h, &sse2, \
NULL, NULL); \
se += se2; \
sse += sse2; \
if (w > wf * 2) { \
se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 32, src_stride, \
x_offset, y_offset, \
dst + 32, dst_stride, \
sec + 32, w, h, &sse2, \
NULL, NULL); \
se += se2; \
sse += sse2; \
se2 = vp9_sub_pixel_avg_variance##wf##xh_##opt(src + 48, src_stride, \
x_offset, y_offset, \
dst + 48, dst_stride, \
sec + 48, w, h, &sse2, \
NULL, NULL); \
se += se2; \
sse += sse2; \
} \
} \
*sseptr = sse; \
return sse - ((cast se * se) >> (wlog2 + hlog2)); \
}
#define FNS(opt1, opt2) \
FN(64, 64, 16, 6, 6, opt1, (int64_t)); \
FN(64, 32, 16, 6, 5, opt1, (int64_t)); \
FN(32, 64, 16, 5, 6, opt1, (int64_t)); \
FN(32, 32, 16, 5, 5, opt1, (int64_t)); \
FN(32, 16, 16, 5, 4, opt1, (int64_t)); \
FN(16, 32, 16, 4, 5, opt1, (int64_t)); \
FN(16, 16, 16, 4, 4, opt1, (unsigned int)); \
FN(16, 8, 16, 4, 3, opt1, (unsigned int)); \
FN(8, 16, 8, 3, 4, opt1, (unsigned int)); \
FN(8, 8, 8, 3, 3, opt1, (unsigned int)); \
FN(8, 4, 8, 3, 2, opt1, (unsigned int)); \
FN(4, 8, 4, 2, 3, opt2, (unsigned int)); \
FN(4, 4, 4, 2, 2, opt2, (unsigned int))
FNS(sse2, sse);
FNS(ssse3, ssse3);
#undef FNS
#undef FN