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-rw-r--r--third_party/aom/aom_dsp/x86/variance_sse2.c806
1 files changed, 806 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/variance_sse2.c b/third_party/aom/aom_dsp/x86/variance_sse2.c
new file mode 100644
index 0000000000..3c37e77c06
--- /dev/null
+++ b/third_party/aom/aom_dsp/x86/variance_sse2.c
@@ -0,0 +1,806 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+
+#include <assert.h>
+#include <emmintrin.h> // SSE2
+
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+#include "config/av1_rtcd.h"
+
+#include "aom_dsp/blend.h"
+#include "aom_dsp/x86/synonyms.h"
+
+#include "aom_ports/mem.h"
+
+#include "av1/common/filter.h"
+#include "av1/common/onyxc_int.h"
+#include "av1/common/reconinter.h"
+
+unsigned int aom_get_mb_ss_sse2(const int16_t *src) {
+ __m128i vsum = _mm_setzero_si128();
+ int i;
+
+ for (i = 0; i < 32; ++i) {
+ const __m128i v = xx_loadu_128(src);
+ vsum = _mm_add_epi32(vsum, _mm_madd_epi16(v, v));
+ src += 8;
+ }
+
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi32(vsum, _mm_srli_si128(vsum, 4));
+ return _mm_cvtsi128_si32(vsum);
+}
+
+static INLINE __m128i load4x2_sse2(const uint8_t *const p, const int stride) {
+ const __m128i p0 = _mm_cvtsi32_si128(*(const uint32_t *)(p + 0 * stride));
+ const __m128i p1 = _mm_cvtsi32_si128(*(const uint32_t *)(p + 1 * stride));
+ return _mm_unpacklo_epi8(_mm_unpacklo_epi32(p0, p1), _mm_setzero_si128());
+}
+
+static INLINE __m128i load8_8to16_sse2(const uint8_t *const p) {
+ const __m128i p0 = _mm_loadl_epi64((const __m128i *)p);
+ return _mm_unpacklo_epi8(p0, _mm_setzero_si128());
+}
+
+// Accumulate 4 32bit numbers in val to 1 32bit number
+static INLINE unsigned int add32x4_sse2(__m128i val) {
+ val = _mm_add_epi32(val, _mm_srli_si128(val, 8));
+ val = _mm_add_epi32(val, _mm_srli_si128(val, 4));
+ return _mm_cvtsi128_si32(val);
+}
+
+// Accumulate 8 16bit in sum to 4 32bit number
+static INLINE __m128i sum_to_32bit_sse2(const __m128i sum) {
+ const __m128i sum_lo = _mm_srai_epi32(_mm_unpacklo_epi16(sum, sum), 16);
+ const __m128i sum_hi = _mm_srai_epi32(_mm_unpackhi_epi16(sum, sum), 16);
+ return _mm_add_epi32(sum_lo, sum_hi);
+}
+
+static INLINE void variance_kernel_sse2(const __m128i src, const __m128i ref,
+ __m128i *const sse,
+ __m128i *const sum) {
+ const __m128i diff = _mm_sub_epi16(src, ref);
+ *sse = _mm_add_epi32(*sse, _mm_madd_epi16(diff, diff));
+ *sum = _mm_add_epi16(*sum, diff);
+}
+
+// Can handle 128 pixels' diff sum (such as 8x16 or 16x8)
+// Slightly faster than variance_final_256_pel_sse2()
+// diff sum of 128 pixels can still fit in 16bit integer
+static INLINE void variance_final_128_pel_sse2(__m128i vsse, __m128i vsum,
+ unsigned int *const sse,
+ int *const sum) {
+ *sse = add32x4_sse2(vsse);
+
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 2));
+ *sum = (int16_t)_mm_extract_epi16(vsum, 0);
+}
+
+// Can handle 256 pixels' diff sum (such as 16x16)
+static INLINE void variance_final_256_pel_sse2(__m128i vsse, __m128i vsum,
+ unsigned int *const sse,
+ int *const sum) {
+ *sse = add32x4_sse2(vsse);
+
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 4));
+ *sum = (int16_t)_mm_extract_epi16(vsum, 0);
+ *sum += (int16_t)_mm_extract_epi16(vsum, 1);
+}
+
+// Can handle 512 pixels' diff sum (such as 16x32 or 32x16)
+static INLINE void variance_final_512_pel_sse2(__m128i vsse, __m128i vsum,
+ unsigned int *const sse,
+ int *const sum) {
+ *sse = add32x4_sse2(vsse);
+
+ vsum = _mm_add_epi16(vsum, _mm_srli_si128(vsum, 8));
+ vsum = _mm_unpacklo_epi16(vsum, vsum);
+ vsum = _mm_srai_epi32(vsum, 16);
+ *sum = add32x4_sse2(vsum);
+}
+
+// Can handle 1024 pixels' diff sum (such as 32x32)
+static INLINE void variance_final_1024_pel_sse2(__m128i vsse, __m128i vsum,
+ unsigned int *const sse,
+ int *const sum) {
+ *sse = add32x4_sse2(vsse);
+
+ vsum = sum_to_32bit_sse2(vsum);
+ *sum = add32x4_sse2(vsum);
+}
+
+static INLINE void variance4_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 256); // May overflow for larger height.
+ *sum = _mm_setzero_si128();
+
+ for (int i = 0; i < h; i += 2) {
+ const __m128i s = load4x2_sse2(src, src_stride);
+ const __m128i r = load4x2_sse2(ref, ref_stride);
+
+ variance_kernel_sse2(s, r, sse, sum);
+ src += 2 * src_stride;
+ ref += 2 * ref_stride;
+ }
+}
+
+static INLINE void variance8_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 128); // May overflow for larger height.
+ *sum = _mm_setzero_si128();
+ for (int i = 0; i < h; i++) {
+ const __m128i s = load8_8to16_sse2(src);
+ const __m128i r = load8_8to16_sse2(ref);
+
+ variance_kernel_sse2(s, r, sse, sum);
+ src += src_stride;
+ ref += ref_stride;
+ }
+}
+
+static INLINE void variance16_kernel_sse2(const uint8_t *const src,
+ const uint8_t *const ref,
+ __m128i *const sse,
+ __m128i *const sum) {
+ const __m128i zero = _mm_setzero_si128();
+ const __m128i s = _mm_loadu_si128((const __m128i *)src);
+ const __m128i r = _mm_loadu_si128((const __m128i *)ref);
+ const __m128i src0 = _mm_unpacklo_epi8(s, zero);
+ const __m128i ref0 = _mm_unpacklo_epi8(r, zero);
+ const __m128i src1 = _mm_unpackhi_epi8(s, zero);
+ const __m128i ref1 = _mm_unpackhi_epi8(r, zero);
+
+ variance_kernel_sse2(src0, ref0, sse, sum);
+ variance_kernel_sse2(src1, ref1, sse, sum);
+}
+
+static INLINE void variance16_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 64); // May overflow for larger height.
+ *sum = _mm_setzero_si128();
+
+ for (int i = 0; i < h; ++i) {
+ variance16_kernel_sse2(src, ref, sse, sum);
+ src += src_stride;
+ ref += ref_stride;
+ }
+}
+
+static INLINE void variance32_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 32); // May overflow for larger height.
+ // Don't initialize sse here since it's an accumulation.
+ *sum = _mm_setzero_si128();
+
+ for (int i = 0; i < h; ++i) {
+ variance16_kernel_sse2(src + 0, ref + 0, sse, sum);
+ variance16_kernel_sse2(src + 16, ref + 16, sse, sum);
+ src += src_stride;
+ ref += ref_stride;
+ }
+}
+
+static INLINE void variance64_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 16); // May overflow for larger height.
+ *sum = _mm_setzero_si128();
+
+ for (int i = 0; i < h; ++i) {
+ variance16_kernel_sse2(src + 0, ref + 0, sse, sum);
+ variance16_kernel_sse2(src + 16, ref + 16, sse, sum);
+ variance16_kernel_sse2(src + 32, ref + 32, sse, sum);
+ variance16_kernel_sse2(src + 48, ref + 48, sse, sum);
+ src += src_stride;
+ ref += ref_stride;
+ }
+}
+
+static INLINE void variance128_sse2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m128i *const sse,
+ __m128i *const sum) {
+ assert(h <= 8); // May overflow for larger height.
+ *sum = _mm_setzero_si128();
+
+ for (int i = 0; i < h; ++i) {
+ for (int j = 0; j < 4; ++j) {
+ const int offset0 = j << 5;
+ const int offset1 = offset0 + 16;
+ variance16_kernel_sse2(src + offset0, ref + offset0, sse, sum);
+ variance16_kernel_sse2(src + offset1, ref + offset1, sse, sum);
+ }
+ src += src_stride;
+ ref += ref_stride;
+ }
+}
+
+#define AOM_VAR_NO_LOOP_SSE2(bw, bh, bits, max_pixels) \
+ unsigned int aom_variance##bw##x##bh##_sse2( \
+ const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
+ unsigned int *sse) { \
+ __m128i vsse = _mm_setzero_si128(); \
+ __m128i vsum; \
+ int sum = 0; \
+ variance##bw##_sse2(src, src_stride, ref, ref_stride, bh, &vsse, &vsum); \
+ variance_final_##max_pixels##_pel_sse2(vsse, vsum, sse, &sum); \
+ assert(sum <= 255 * bw * bh); \
+ assert(sum >= -255 * bw * bh); \
+ return *sse - (uint32_t)(((int64_t)sum * sum) >> bits); \
+ }
+
+AOM_VAR_NO_LOOP_SSE2(4, 4, 4, 128);
+AOM_VAR_NO_LOOP_SSE2(4, 8, 5, 128);
+AOM_VAR_NO_LOOP_SSE2(4, 16, 6, 128);
+
+AOM_VAR_NO_LOOP_SSE2(8, 4, 5, 128);
+AOM_VAR_NO_LOOP_SSE2(8, 8, 6, 128);
+AOM_VAR_NO_LOOP_SSE2(8, 16, 7, 128);
+AOM_VAR_NO_LOOP_SSE2(8, 32, 8, 256);
+
+AOM_VAR_NO_LOOP_SSE2(16, 4, 6, 128);
+AOM_VAR_NO_LOOP_SSE2(16, 8, 7, 128);
+AOM_VAR_NO_LOOP_SSE2(16, 16, 8, 256);
+AOM_VAR_NO_LOOP_SSE2(16, 32, 9, 512);
+AOM_VAR_NO_LOOP_SSE2(16, 64, 10, 1024);
+
+AOM_VAR_NO_LOOP_SSE2(32, 8, 8, 256);
+AOM_VAR_NO_LOOP_SSE2(32, 16, 9, 512);
+AOM_VAR_NO_LOOP_SSE2(32, 32, 10, 1024);
+
+#define AOM_VAR_LOOP_SSE2(bw, bh, bits, uh) \
+ unsigned int aom_variance##bw##x##bh##_sse2( \
+ const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
+ unsigned int *sse) { \
+ __m128i vsse = _mm_setzero_si128(); \
+ __m128i vsum = _mm_setzero_si128(); \
+ for (int i = 0; i < (bh / uh); ++i) { \
+ __m128i vsum16; \
+ variance##bw##_sse2(src, src_stride, ref, ref_stride, uh, &vsse, \
+ &vsum16); \
+ vsum = _mm_add_epi32(vsum, sum_to_32bit_sse2(vsum16)); \
+ src += (src_stride * uh); \
+ ref += (ref_stride * uh); \
+ } \
+ *sse = add32x4_sse2(vsse); \
+ int sum = add32x4_sse2(vsum); \
+ assert(sum <= 255 * bw * bh); \
+ assert(sum >= -255 * bw * bh); \
+ return *sse - (uint32_t)(((int64_t)sum * sum) >> bits); \
+ }
+
+AOM_VAR_LOOP_SSE2(32, 64, 11, 32); // 32x32 * ( 64/32 )
+
+AOM_VAR_NO_LOOP_SSE2(64, 16, 10, 1024);
+AOM_VAR_LOOP_SSE2(64, 32, 11, 16); // 64x16 * ( 32/16 )
+AOM_VAR_LOOP_SSE2(64, 64, 12, 16); // 64x16 * ( 64/16 )
+AOM_VAR_LOOP_SSE2(64, 128, 13, 16); // 64x16 * ( 128/16 )
+
+AOM_VAR_LOOP_SSE2(128, 64, 13, 8); // 128x8 * ( 64/8 )
+AOM_VAR_LOOP_SSE2(128, 128, 14, 8); // 128x8 * ( 128/8 )
+
+unsigned int aom_mse8x8_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance8x8_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse8x16_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance8x16_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse16x8_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance16x8_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+unsigned int aom_mse16x16_sse2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance16x16_sse2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
+}
+
+// The 2 unused parameters are place holders for PIC enabled build.
+// These definitions are for functions defined in subpel_variance.asm
+#define DECL(w, opt) \
+ int aom_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(opt) \
+ DECL(4, opt); \
+ DECL(8, opt); \
+ DECL(16, opt)
+
+DECLS(sse2);
+DECLS(ssse3);
+#undef DECLS
+#undef DECL
+
+#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
+ unsigned int aom_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) { \
+ /*Avoid overflow in helper by capping height.*/ \
+ const int hf = AOMMIN(h, 64); \
+ unsigned int sse = 0; \
+ int se = 0; \
+ for (int i = 0; i < (w / wf); ++i) { \
+ const uint8_t *src_ptr = src; \
+ const uint8_t *dst_ptr = dst; \
+ for (int j = 0; j < (h / hf); ++j) { \
+ unsigned int sse2; \
+ const int se2 = aom_sub_pixel_variance##wf##xh_##opt( \
+ src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, hf, \
+ &sse2, NULL, NULL); \
+ dst_ptr += hf * dst_stride; \
+ src_ptr += hf * src_stride; \
+ se += se2; \
+ sse += sse2; \
+ } \
+ src += wf; \
+ dst += wf; \
+ } \
+ *sse_ptr = sse; \
+ return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
+ }
+
+#define FNS(opt) \
+ FN(128, 128, 16, 7, 7, opt, (int64_t), (int64_t)); \
+ FN(128, 64, 16, 7, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 128, 16, 6, 7, opt, (int64_t), (int64_t)); \
+ FN(64, 64, 16, 6, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 32, 16, 6, 5, opt, (int64_t), (int64_t)); \
+ FN(32, 64, 16, 5, 6, opt, (int64_t), (int64_t)); \
+ FN(32, 32, 16, 5, 5, opt, (int64_t), (int64_t)); \
+ FN(32, 16, 16, 5, 4, opt, (int64_t), (int64_t)); \
+ FN(16, 32, 16, 4, 5, opt, (int64_t), (int64_t)); \
+ FN(16, 16, 16, 4, 4, opt, (uint32_t), (int64_t)); \
+ FN(16, 8, 16, 4, 3, opt, (int32_t), (int32_t)); \
+ FN(8, 16, 8, 3, 4, opt, (int32_t), (int32_t)); \
+ FN(8, 8, 8, 3, 3, opt, (int32_t), (int32_t)); \
+ FN(8, 4, 8, 3, 2, opt, (int32_t), (int32_t)); \
+ FN(4, 8, 4, 2, 3, opt, (int32_t), (int32_t)); \
+ FN(4, 4, 4, 2, 2, opt, (int32_t), (int32_t)); \
+ FN(4, 16, 4, 2, 4, opt, (int32_t), (int32_t)); \
+ FN(16, 4, 16, 4, 2, opt, (int32_t), (int32_t)); \
+ FN(8, 32, 8, 3, 5, opt, (uint32_t), (int64_t)); \
+ FN(32, 8, 16, 5, 3, opt, (uint32_t), (int64_t)); \
+ FN(16, 64, 16, 4, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 16, 16, 6, 4, opt, (int64_t), (int64_t))
+
+FNS(sse2);
+FNS(ssse3);
+
+#undef FNS
+#undef FN
+
+// The 2 unused parameters are place holders for PIC enabled build.
+#define DECL(w, opt) \
+ int aom_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(opt) \
+ DECL(4, opt); \
+ DECL(8, opt); \
+ DECL(16, opt)
+
+DECLS(sse2);
+DECLS(ssse3);
+#undef DECL
+#undef DECLS
+
+#define FN(w, h, wf, wlog2, hlog2, opt, cast_prod, cast) \
+ unsigned int aom_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 *sse_ptr, \
+ const uint8_t *sec) { \
+ /*Avoid overflow in helper by capping height.*/ \
+ const int hf = AOMMIN(h, 64); \
+ unsigned int sse = 0; \
+ int se = 0; \
+ for (int i = 0; i < (w / wf); ++i) { \
+ const uint8_t *src_ptr = src; \
+ const uint8_t *dst_ptr = dst; \
+ const uint8_t *sec_ptr = sec; \
+ for (int j = 0; j < (h / hf); ++j) { \
+ unsigned int sse2; \
+ const int se2 = aom_sub_pixel_avg_variance##wf##xh_##opt( \
+ src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, \
+ sec_ptr, w, hf, &sse2, NULL, NULL); \
+ dst_ptr += hf * dst_stride; \
+ src_ptr += hf * src_stride; \
+ sec_ptr += hf * w; \
+ se += se2; \
+ sse += sse2; \
+ } \
+ src += wf; \
+ dst += wf; \
+ sec += wf; \
+ } \
+ *sse_ptr = sse; \
+ return sse - (unsigned int)(cast_prod(cast se * se) >> (wlog2 + hlog2)); \
+ }
+
+#define FNS(opt) \
+ FN(128, 128, 16, 7, 7, opt, (int64_t), (int64_t)); \
+ FN(128, 64, 16, 7, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 128, 16, 6, 7, opt, (int64_t), (int64_t)); \
+ FN(64, 64, 16, 6, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 32, 16, 6, 5, opt, (int64_t), (int64_t)); \
+ FN(32, 64, 16, 5, 6, opt, (int64_t), (int64_t)); \
+ FN(32, 32, 16, 5, 5, opt, (int64_t), (int64_t)); \
+ FN(32, 16, 16, 5, 4, opt, (int64_t), (int64_t)); \
+ FN(16, 32, 16, 4, 5, opt, (int64_t), (int64_t)); \
+ FN(16, 16, 16, 4, 4, opt, (uint32_t), (int64_t)); \
+ FN(16, 8, 16, 4, 3, opt, (uint32_t), (int32_t)); \
+ FN(8, 16, 8, 3, 4, opt, (uint32_t), (int32_t)); \
+ FN(8, 8, 8, 3, 3, opt, (uint32_t), (int32_t)); \
+ FN(8, 4, 8, 3, 2, opt, (uint32_t), (int32_t)); \
+ FN(4, 8, 4, 2, 3, opt, (uint32_t), (int32_t)); \
+ FN(4, 4, 4, 2, 2, opt, (uint32_t), (int32_t)); \
+ FN(4, 16, 4, 2, 4, opt, (int32_t), (int32_t)); \
+ FN(16, 4, 16, 4, 2, opt, (int32_t), (int32_t)); \
+ FN(8, 32, 8, 3, 5, opt, (uint32_t), (int64_t)); \
+ FN(32, 8, 16, 5, 3, opt, (uint32_t), (int64_t)); \
+ FN(16, 64, 16, 4, 6, opt, (int64_t), (int64_t)); \
+ FN(64, 16, 16, 6, 4, opt, (int64_t), (int64_t))
+
+FNS(sse2);
+FNS(ssse3);
+
+#undef FNS
+#undef FN
+
+void aom_upsampled_pred_sse2(MACROBLOCKD *xd, const struct AV1Common *const cm,
+ int mi_row, int mi_col, const MV *const mv,
+ uint8_t *comp_pred, int width, int height,
+ int subpel_x_q3, int subpel_y_q3,
+ const uint8_t *ref, int ref_stride,
+ int subpel_search) {
+ // expect xd == NULL only in tests
+ if (xd != NULL) {
+ const MB_MODE_INFO *mi = xd->mi[0];
+ const int ref_num = 0;
+ const int is_intrabc = is_intrabc_block(mi);
+ const struct scale_factors *const sf =
+ is_intrabc ? &cm->sf_identity : &xd->block_refs[ref_num]->sf;
+ const int is_scaled = av1_is_scaled(sf);
+
+ if (is_scaled) {
+ // Note: This is mostly a copy from the >=8X8 case in
+ // build_inter_predictors() function, with some small tweaks.
+
+ // Some assumptions.
+ const int plane = 0;
+
+ // Get pre-requisites.
+ const struct macroblockd_plane *const pd = &xd->plane[plane];
+ const int ssx = pd->subsampling_x;
+ const int ssy = pd->subsampling_y;
+ assert(ssx == 0 && ssy == 0);
+ const struct buf_2d *const dst_buf = &pd->dst;
+ const struct buf_2d *const pre_buf =
+ is_intrabc ? dst_buf : &pd->pre[ref_num];
+ const int mi_x = mi_col * MI_SIZE;
+ const int mi_y = mi_row * MI_SIZE;
+
+ // Calculate subpel_x/y and x/y_step.
+ const int row_start = 0; // Because ss_y is 0.
+ const int col_start = 0; // Because ss_x is 0.
+ const int pre_x = (mi_x + MI_SIZE * col_start) >> ssx;
+ const int pre_y = (mi_y + MI_SIZE * row_start) >> ssy;
+ int orig_pos_y = pre_y << SUBPEL_BITS;
+ orig_pos_y += mv->row * (1 << (1 - ssy));
+ int orig_pos_x = pre_x << SUBPEL_BITS;
+ orig_pos_x += mv->col * (1 << (1 - ssx));
+ int pos_y = sf->scale_value_y(orig_pos_y, sf);
+ int pos_x = sf->scale_value_x(orig_pos_x, sf);
+ pos_x += SCALE_EXTRA_OFF;
+ pos_y += SCALE_EXTRA_OFF;
+
+ const int top = -AOM_LEFT_TOP_MARGIN_SCALED(ssy);
+ const int left = -AOM_LEFT_TOP_MARGIN_SCALED(ssx);
+ const int bottom = (pre_buf->height + AOM_INTERP_EXTEND)
+ << SCALE_SUBPEL_BITS;
+ const int right = (pre_buf->width + AOM_INTERP_EXTEND)
+ << SCALE_SUBPEL_BITS;
+ pos_y = clamp(pos_y, top, bottom);
+ pos_x = clamp(pos_x, left, right);
+
+ const uint8_t *const pre =
+ pre_buf->buf0 + (pos_y >> SCALE_SUBPEL_BITS) * pre_buf->stride +
+ (pos_x >> SCALE_SUBPEL_BITS);
+
+ const SubpelParams subpel_params = { sf->x_step_q4, sf->y_step_q4,
+ pos_x & SCALE_SUBPEL_MASK,
+ pos_y & SCALE_SUBPEL_MASK };
+
+ // Get warp types.
+ const WarpedMotionParams *const wm =
+ &xd->global_motion[mi->ref_frame[ref_num]];
+ const int is_global = is_global_mv_block(mi, wm->wmtype);
+ WarpTypesAllowed warp_types;
+ warp_types.global_warp_allowed = is_global;
+ warp_types.local_warp_allowed = mi->motion_mode == WARPED_CAUSAL;
+
+ // Get convolve parameters.
+ ConvolveParams conv_params = get_conv_params(0, plane, xd->bd);
+ const InterpFilters filters =
+ av1_broadcast_interp_filter(EIGHTTAP_REGULAR);
+
+ // Get the inter predictor.
+ const int build_for_obmc = 0;
+ av1_make_inter_predictor(pre, pre_buf->stride, comp_pred, width,
+ &subpel_params, sf, width, height, &conv_params,
+ filters, &warp_types, mi_x >> pd->subsampling_x,
+ mi_y >> pd->subsampling_y, plane, ref_num, mi,
+ build_for_obmc, xd, cm->allow_warped_motion);
+
+ return;
+ }
+ }
+
+ const InterpFilterParams *filter =
+ (subpel_search == 1)
+ ? av1_get_4tap_interp_filter_params(EIGHTTAP_REGULAR)
+ : av1_get_interp_filter_params_with_block_size(EIGHTTAP_REGULAR, 8);
+ int filter_taps = (subpel_search == 1) ? 4 : SUBPEL_TAPS;
+
+ if (!subpel_x_q3 && !subpel_y_q3) {
+ if (width >= 16) {
+ int i;
+ assert(!(width & 15));
+ /*Read 16 pixels one row at a time.*/
+ for (i = 0; i < height; i++) {
+ int j;
+ for (j = 0; j < width; j += 16) {
+ xx_storeu_128(comp_pred, xx_loadu_128(ref));
+ comp_pred += 16;
+ ref += 16;
+ }
+ ref += ref_stride - width;
+ }
+ } else if (width >= 8) {
+ int i;
+ assert(!(width & 7));
+ assert(!(height & 1));
+ /*Read 8 pixels two rows at a time.*/
+ for (i = 0; i < height; i += 2) {
+ __m128i s0 = xx_loadl_64(ref + 0 * ref_stride);
+ __m128i s1 = xx_loadl_64(ref + 1 * ref_stride);
+ xx_storeu_128(comp_pred, _mm_unpacklo_epi64(s0, s1));
+ comp_pred += 16;
+ ref += 2 * ref_stride;
+ }
+ } else {
+ int i;
+ assert(!(width & 3));
+ assert(!(height & 3));
+ /*Read 4 pixels four rows at a time.*/
+ for (i = 0; i < height; i++) {
+ const __m128i row0 = xx_loadl_64(ref + 0 * ref_stride);
+ const __m128i row1 = xx_loadl_64(ref + 1 * ref_stride);
+ const __m128i row2 = xx_loadl_64(ref + 2 * ref_stride);
+ const __m128i row3 = xx_loadl_64(ref + 3 * ref_stride);
+ const __m128i reg = _mm_unpacklo_epi64(_mm_unpacklo_epi32(row0, row1),
+ _mm_unpacklo_epi32(row2, row3));
+ xx_storeu_128(comp_pred, reg);
+ comp_pred += 16;
+ ref += 4 * ref_stride;
+ }
+ }
+ } else if (!subpel_y_q3) {
+ const int16_t *const kernel =
+ av1_get_interp_filter_subpel_kernel(filter, subpel_x_q3 << 1);
+ aom_convolve8_horiz(ref, ref_stride, comp_pred, width, kernel, 16, NULL, -1,
+ width, height);
+ } else if (!subpel_x_q3) {
+ const int16_t *const kernel =
+ av1_get_interp_filter_subpel_kernel(filter, subpel_y_q3 << 1);
+ aom_convolve8_vert(ref, ref_stride, comp_pred, width, NULL, -1, kernel, 16,
+ width, height);
+ } else {
+ DECLARE_ALIGNED(16, uint8_t,
+ temp[((MAX_SB_SIZE * 2 + 16) + 16) * MAX_SB_SIZE]);
+ const int16_t *const kernel_x =
+ av1_get_interp_filter_subpel_kernel(filter, subpel_x_q3 << 1);
+ const int16_t *const kernel_y =
+ av1_get_interp_filter_subpel_kernel(filter, subpel_y_q3 << 1);
+ const uint8_t *ref_start = ref - ref_stride * ((filter_taps >> 1) - 1);
+ uint8_t *temp_start_horiz =
+ (subpel_search == 1) ? temp + (filter_taps >> 1) * MAX_SB_SIZE : temp;
+ uint8_t *temp_start_vert = temp + MAX_SB_SIZE * ((filter->taps >> 1) - 1);
+ int intermediate_height =
+ (((height - 1) * 8 + subpel_y_q3) >> 3) + filter_taps;
+ assert(intermediate_height <= (MAX_SB_SIZE * 2 + 16) + 16);
+ // TODO(Deepa): Remove the memset below when we have
+ // 4 tap simd for sse2 and ssse3.
+ if (subpel_search == 1) {
+ memset(temp_start_vert - 3 * MAX_SB_SIZE, 0, width);
+ memset(temp_start_vert - 2 * MAX_SB_SIZE, 0, width);
+ memset(temp_start_vert + (height + 2) * MAX_SB_SIZE, 0, width);
+ memset(temp_start_vert + (height + 3) * MAX_SB_SIZE, 0, width);
+ }
+ aom_convolve8_horiz(ref_start, ref_stride, temp_start_horiz, MAX_SB_SIZE,
+ kernel_x, 16, NULL, -1, width, intermediate_height);
+ aom_convolve8_vert(temp_start_vert, MAX_SB_SIZE, comp_pred, width, NULL, -1,
+ kernel_y, 16, width, height);
+ }
+}
+
+void aom_comp_avg_upsampled_pred_sse2(
+ MACROBLOCKD *xd, const struct AV1Common *const cm, int mi_row, int mi_col,
+ const MV *const mv, uint8_t *comp_pred, const uint8_t *pred, int width,
+ int height, int subpel_x_q3, int subpel_y_q3, const uint8_t *ref,
+ int ref_stride, int subpel_search) {
+ int n;
+ int i;
+ aom_upsampled_pred(xd, cm, mi_row, mi_col, mv, comp_pred, width, height,
+ subpel_x_q3, subpel_y_q3, ref, ref_stride, subpel_search);
+ /*The total number of pixels must be a multiple of 16 (e.g., 4x4).*/
+ assert(!(width * height & 15));
+ n = width * height >> 4;
+ for (i = 0; i < n; i++) {
+ __m128i s0 = xx_loadu_128(comp_pred);
+ __m128i p0 = xx_loadu_128(pred);
+ xx_storeu_128(comp_pred, _mm_avg_epu8(s0, p0));
+ comp_pred += 16;
+ pred += 16;
+ }
+}
+
+void aom_comp_mask_upsampled_pred_sse2(
+ MACROBLOCKD *xd, const AV1_COMMON *const cm, int mi_row, int mi_col,
+ const MV *const mv, uint8_t *comp_pred, const uint8_t *pred, int width,
+ int height, int subpel_x_q3, int subpel_y_q3, const uint8_t *ref,
+ int ref_stride, const uint8_t *mask, int mask_stride, int invert_mask,
+ int subpel_search) {
+ if (subpel_x_q3 | subpel_y_q3) {
+ aom_upsampled_pred(xd, cm, mi_row, mi_col, mv, comp_pred, width, height,
+ subpel_x_q3, subpel_y_q3, ref, ref_stride,
+ subpel_search);
+ ref = comp_pred;
+ ref_stride = width;
+ }
+ aom_comp_mask_pred(comp_pred, pred, width, height, ref, ref_stride, mask,
+ mask_stride, invert_mask);
+}
+
+static INLINE __m128i highbd_comp_mask_pred_line_sse2(const __m128i s0,
+ const __m128i s1,
+ const __m128i a) {
+ const __m128i alpha_max = _mm_set1_epi16((1 << AOM_BLEND_A64_ROUND_BITS));
+ const __m128i round_const =
+ _mm_set1_epi32((1 << AOM_BLEND_A64_ROUND_BITS) >> 1);
+ const __m128i a_inv = _mm_sub_epi16(alpha_max, a);
+
+ const __m128i s_lo = _mm_unpacklo_epi16(s0, s1);
+ const __m128i a_lo = _mm_unpacklo_epi16(a, a_inv);
+ const __m128i pred_lo = _mm_madd_epi16(s_lo, a_lo);
+ const __m128i pred_l = _mm_srai_epi32(_mm_add_epi32(pred_lo, round_const),
+ AOM_BLEND_A64_ROUND_BITS);
+
+ const __m128i s_hi = _mm_unpackhi_epi16(s0, s1);
+ const __m128i a_hi = _mm_unpackhi_epi16(a, a_inv);
+ const __m128i pred_hi = _mm_madd_epi16(s_hi, a_hi);
+ const __m128i pred_h = _mm_srai_epi32(_mm_add_epi32(pred_hi, round_const),
+ AOM_BLEND_A64_ROUND_BITS);
+
+ const __m128i comp = _mm_packs_epi32(pred_l, pred_h);
+
+ return comp;
+}
+
+void aom_highbd_comp_mask_pred_sse2(uint8_t *comp_pred8, const uint8_t *pred8,
+ int width, int height, const uint8_t *ref8,
+ int ref_stride, const uint8_t *mask,
+ int mask_stride, int invert_mask) {
+ int i = 0;
+ uint16_t *comp_pred = CONVERT_TO_SHORTPTR(comp_pred8);
+ uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
+ uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
+ const uint16_t *src0 = invert_mask ? pred : ref;
+ const uint16_t *src1 = invert_mask ? ref : pred;
+ const int stride0 = invert_mask ? width : ref_stride;
+ const int stride1 = invert_mask ? ref_stride : width;
+ const __m128i zero = _mm_setzero_si128();
+
+ if (width == 8) {
+ do {
+ const __m128i s0 = _mm_loadu_si128((const __m128i *)(src0));
+ const __m128i s1 = _mm_loadu_si128((const __m128i *)(src1));
+ const __m128i m_8 = _mm_loadl_epi64((const __m128i *)mask);
+ const __m128i m_16 = _mm_unpacklo_epi8(m_8, zero);
+
+ const __m128i comp = highbd_comp_mask_pred_line_sse2(s0, s1, m_16);
+
+ _mm_storeu_si128((__m128i *)comp_pred, comp);
+
+ src0 += stride0;
+ src1 += stride1;
+ mask += mask_stride;
+ comp_pred += width;
+ i += 1;
+ } while (i < height);
+ } else if (width == 16) {
+ do {
+ const __m128i s0 = _mm_loadu_si128((const __m128i *)(src0));
+ const __m128i s2 = _mm_loadu_si128((const __m128i *)(src0 + 8));
+ const __m128i s1 = _mm_loadu_si128((const __m128i *)(src1));
+ const __m128i s3 = _mm_loadu_si128((const __m128i *)(src1 + 8));
+
+ const __m128i m_8 = _mm_loadu_si128((const __m128i *)mask);
+ const __m128i m01_16 = _mm_unpacklo_epi8(m_8, zero);
+ const __m128i m23_16 = _mm_unpackhi_epi8(m_8, zero);
+
+ const __m128i comp = highbd_comp_mask_pred_line_sse2(s0, s1, m01_16);
+ const __m128i comp1 = highbd_comp_mask_pred_line_sse2(s2, s3, m23_16);
+
+ _mm_storeu_si128((__m128i *)comp_pred, comp);
+ _mm_storeu_si128((__m128i *)(comp_pred + 8), comp1);
+
+ src0 += stride0;
+ src1 += stride1;
+ mask += mask_stride;
+ comp_pred += width;
+ i += 1;
+ } while (i < height);
+ } else if (width == 32) {
+ do {
+ for (int j = 0; j < 2; j++) {
+ const __m128i s0 = _mm_loadu_si128((const __m128i *)(src0 + j * 16));
+ const __m128i s2 =
+ _mm_loadu_si128((const __m128i *)(src0 + 8 + j * 16));
+ const __m128i s1 = _mm_loadu_si128((const __m128i *)(src1 + j * 16));
+ const __m128i s3 =
+ _mm_loadu_si128((const __m128i *)(src1 + 8 + j * 16));
+
+ const __m128i m_8 = _mm_loadu_si128((const __m128i *)(mask + j * 16));
+ const __m128i m01_16 = _mm_unpacklo_epi8(m_8, zero);
+ const __m128i m23_16 = _mm_unpackhi_epi8(m_8, zero);
+
+ const __m128i comp = highbd_comp_mask_pred_line_sse2(s0, s1, m01_16);
+ const __m128i comp1 = highbd_comp_mask_pred_line_sse2(s2, s3, m23_16);
+
+ _mm_storeu_si128((__m128i *)(comp_pred + j * 16), comp);
+ _mm_storeu_si128((__m128i *)(comp_pred + 8 + j * 16), comp1);
+ }
+ src0 += stride0;
+ src1 += stride1;
+ mask += mask_stride;
+ comp_pred += width;
+ i += 1;
+ } while (i < height);
+ }
+}