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-rw-r--r--third_party/aom/aom_dsp/x86/variance_avx2.c503
1 files changed, 357 insertions, 146 deletions
diff --git a/third_party/aom/aom_dsp/x86/variance_avx2.c b/third_party/aom/aom_dsp/x86/variance_avx2.c
index 18a70dffe..7d6b7d287 100644
--- a/third_party/aom/aom_dsp/x86/variance_avx2.c
+++ b/third_party/aom/aom_dsp/x86/variance_avx2.c
@@ -10,109 +10,224 @@
*/
#include <immintrin.h>
-#include "./aom_dsp_rtcd.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 aom_get32x32var_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride, unsigned int *sse,
- int *sum);
-
-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;
- }
- }
+
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom_dsp/x86/masked_variance_intrin_ssse3.h"
+
+static INLINE __m128i mm256_add_hi_lo_epi16(const __m256i val) {
+ return _mm_add_epi16(_mm256_castsi256_si128(val),
+ _mm256_extractf128_si256(val, 1));
}
-unsigned int aom_variance16x16_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- unsigned int variance;
- variance_avx2(src, src_stride, ref, ref_stride, 16, 16, sse, &sum,
- aom_get16x16var_avx2, 16);
+static INLINE __m128i mm256_add_hi_lo_epi32(const __m256i val) {
+ return _mm_add_epi32(_mm256_castsi256_si128(val),
+ _mm256_extractf128_si256(val, 1));
+}
+
+static INLINE void variance_kernel_avx2(const __m256i src, const __m256i ref,
+ __m256i *const sse,
+ __m256i *const sum) {
+ const __m256i adj_sub = _mm256_set1_epi16(0xff01); // (1,-1)
+
+ // unpack into pairs of source and reference values
+ const __m256i src_ref0 = _mm256_unpacklo_epi8(src, ref);
+ const __m256i src_ref1 = _mm256_unpackhi_epi8(src, ref);
+
+ // subtract adjacent elements using src*1 + ref*-1
+ const __m256i diff0 = _mm256_maddubs_epi16(src_ref0, adj_sub);
+ const __m256i diff1 = _mm256_maddubs_epi16(src_ref1, adj_sub);
+ const __m256i madd0 = _mm256_madd_epi16(diff0, diff0);
+ const __m256i madd1 = _mm256_madd_epi16(diff1, diff1);
- variance = *sse - (((uint32_t)((int64_t)sum * sum)) >> 8);
- _mm256_zeroupper();
- return variance;
+ // add to the running totals
+ *sum = _mm256_add_epi16(*sum, _mm256_add_epi16(diff0, diff1));
+ *sse = _mm256_add_epi32(*sse, _mm256_add_epi32(madd0, madd1));
}
-unsigned int aom_mse16x16_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- aom_get16x16var_avx2(src, src_stride, ref, ref_stride, sse, &sum);
- _mm256_zeroupper();
- return *sse;
+static INLINE int variance_final_from_32bit_sum_avx2(__m256i vsse, __m128i vsum,
+ unsigned int *const sse) {
+ // extract the low lane and add it to the high lane
+ const __m128i sse_reg_128 = mm256_add_hi_lo_epi32(vsse);
+
+ // unpack sse and sum registers and add
+ const __m128i sse_sum_lo = _mm_unpacklo_epi32(sse_reg_128, vsum);
+ const __m128i sse_sum_hi = _mm_unpackhi_epi32(sse_reg_128, vsum);
+ const __m128i sse_sum = _mm_add_epi32(sse_sum_lo, sse_sum_hi);
+
+ // perform the final summation and extract the results
+ const __m128i res = _mm_add_epi32(sse_sum, _mm_srli_si128(sse_sum, 8));
+ *((int *)sse) = _mm_cvtsi128_si32(res);
+ return _mm_extract_epi32(res, 1);
+}
+
+// handle pixels (<= 512)
+static INLINE int variance_final_512_avx2(__m256i vsse, __m256i vsum,
+ unsigned int *const sse) {
+ // extract the low lane and add it to the high lane
+ const __m128i vsum_128 = mm256_add_hi_lo_epi16(vsum);
+ const __m128i vsum_64 = _mm_add_epi16(vsum_128, _mm_srli_si128(vsum_128, 8));
+ const __m128i sum_int32 = _mm_cvtepi16_epi32(vsum_64);
+ return variance_final_from_32bit_sum_avx2(vsse, sum_int32, sse);
+}
+
+// handle 1024 pixels (32x32, 16x64, 64x16)
+static INLINE int variance_final_1024_avx2(__m256i vsse, __m256i vsum,
+ unsigned int *const sse) {
+ // extract the low lane and add it to the high lane
+ const __m128i vsum_128 = mm256_add_hi_lo_epi16(vsum);
+ const __m128i vsum_64 =
+ _mm_add_epi32(_mm_cvtepi16_epi32(vsum_128),
+ _mm_cvtepi16_epi32(_mm_srli_si128(vsum_128, 8)));
+ return variance_final_from_32bit_sum_avx2(vsse, vsum_64, sse);
+}
+
+static INLINE __m256i sum_to_32bit_avx2(const __m256i sum) {
+ const __m256i sum_lo = _mm256_cvtepi16_epi32(_mm256_castsi256_si128(sum));
+ const __m256i sum_hi =
+ _mm256_cvtepi16_epi32(_mm256_extractf128_si256(sum, 1));
+ return _mm256_add_epi32(sum_lo, sum_hi);
+}
+
+// handle 2048 pixels (32x64, 64x32)
+static INLINE int variance_final_2048_avx2(__m256i vsse, __m256i vsum,
+ unsigned int *const sse) {
+ vsum = sum_to_32bit_avx2(vsum);
+ const __m128i vsum_128 = mm256_add_hi_lo_epi32(vsum);
+ return variance_final_from_32bit_sum_avx2(vsse, vsum_128, sse);
+}
+
+static INLINE void variance16_kernel_avx2(
+ const uint8_t *const src, const int src_stride, const uint8_t *const ref,
+ const int ref_stride, __m256i *const sse, __m256i *const sum) {
+ const __m128i s0 = _mm_loadu_si128((__m128i const *)(src + 0 * src_stride));
+ const __m128i s1 = _mm_loadu_si128((__m128i const *)(src + 1 * src_stride));
+ const __m128i r0 = _mm_loadu_si128((__m128i const *)(ref + 0 * ref_stride));
+ const __m128i r1 = _mm_loadu_si128((__m128i const *)(ref + 1 * ref_stride));
+ const __m256i s = _mm256_inserti128_si256(_mm256_castsi128_si256(s0), s1, 1);
+ const __m256i r = _mm256_inserti128_si256(_mm256_castsi128_si256(r0), r1, 1);
+ variance_kernel_avx2(s, r, sse, sum);
+}
+
+static INLINE void variance32_kernel_avx2(const uint8_t *const src,
+ const uint8_t *const ref,
+ __m256i *const sse,
+ __m256i *const sum) {
+ const __m256i s = _mm256_loadu_si256((__m256i const *)(src));
+ const __m256i r = _mm256_loadu_si256((__m256i const *)(ref));
+ variance_kernel_avx2(s, r, sse, sum);
+}
+
+static INLINE void variance16_avx2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m256i *const vsse,
+ __m256i *const vsum) {
+ *vsum = _mm256_setzero_si256();
+
+ for (int i = 0; i < h; i += 2) {
+ variance16_kernel_avx2(src, src_stride, ref, ref_stride, vsse, vsum);
+ src += 2 * src_stride;
+ ref += 2 * ref_stride;
+ }
}
-unsigned int aom_variance32x16_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- unsigned int variance;
- variance_avx2(src, src_stride, ref, ref_stride, 32, 16, sse, &sum,
- aom_get32x32var_avx2, 32);
+static INLINE void variance32_avx2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m256i *const vsse,
+ __m256i *const vsum) {
+ *vsum = _mm256_setzero_si256();
- variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 9);
- _mm256_zeroupper();
- return variance;
+ for (int i = 0; i < h; i++) {
+ variance32_kernel_avx2(src, ref, vsse, vsum);
+ src += src_stride;
+ ref += ref_stride;
+ }
}
-unsigned int aom_variance32x32_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- unsigned int variance;
- variance_avx2(src, src_stride, ref, ref_stride, 32, 32, sse, &sum,
- aom_get32x32var_avx2, 32);
+static INLINE void variance64_avx2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m256i *const vsse,
+ __m256i *const vsum) {
+ *vsum = _mm256_setzero_si256();
- variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 10);
- _mm256_zeroupper();
- return variance;
+ for (int i = 0; i < h; i++) {
+ variance32_kernel_avx2(src + 0, ref + 0, vsse, vsum);
+ variance32_kernel_avx2(src + 32, ref + 32, vsse, vsum);
+ src += src_stride;
+ ref += ref_stride;
+ }
}
-unsigned int aom_variance64x64_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- unsigned int variance;
- variance_avx2(src, src_stride, ref, ref_stride, 64, 64, sse, &sum,
- aom_get32x32var_avx2, 32);
+static INLINE void variance128_avx2(const uint8_t *src, const int src_stride,
+ const uint8_t *ref, const int ref_stride,
+ const int h, __m256i *const vsse,
+ __m256i *const vsum) {
+ *vsum = _mm256_setzero_si256();
- variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 12);
- _mm256_zeroupper();
- return variance;
+ for (int i = 0; i < h; i++) {
+ variance32_kernel_avx2(src + 0, ref + 0, vsse, vsum);
+ variance32_kernel_avx2(src + 32, ref + 32, vsse, vsum);
+ variance32_kernel_avx2(src + 64, ref + 64, vsse, vsum);
+ variance32_kernel_avx2(src + 96, ref + 96, vsse, vsum);
+ src += src_stride;
+ ref += ref_stride;
+ }
}
-unsigned int aom_variance64x32_avx2(const uint8_t *src, int src_stride,
- const uint8_t *ref, int ref_stride,
- unsigned int *sse) {
- int sum;
- unsigned int variance;
- variance_avx2(src, src_stride, ref, ref_stride, 64, 32, sse, &sum,
- aom_get32x32var_avx2, 32);
+#define AOM_VAR_NO_LOOP_AVX2(bw, bh, bits, max_pixel) \
+ unsigned int aom_variance##bw##x##bh##_avx2( \
+ const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
+ unsigned int *sse) { \
+ __m256i vsse = _mm256_setzero_si256(); \
+ __m256i vsum; \
+ variance##bw##_avx2(src, src_stride, ref, ref_stride, bh, &vsse, &vsum); \
+ const int sum = variance_final_##max_pixel##_avx2(vsse, vsum, sse); \
+ return *sse - (uint32_t)(((int64_t)sum * sum) >> bits); \
+ }
+
+AOM_VAR_NO_LOOP_AVX2(16, 4, 6, 512);
+AOM_VAR_NO_LOOP_AVX2(16, 8, 7, 512);
+AOM_VAR_NO_LOOP_AVX2(16, 16, 8, 512);
+AOM_VAR_NO_LOOP_AVX2(16, 32, 9, 512);
+AOM_VAR_NO_LOOP_AVX2(16, 64, 10, 1024);
+
+AOM_VAR_NO_LOOP_AVX2(32, 8, 8, 512);
+AOM_VAR_NO_LOOP_AVX2(32, 16, 9, 512);
+AOM_VAR_NO_LOOP_AVX2(32, 32, 10, 1024);
+AOM_VAR_NO_LOOP_AVX2(32, 64, 11, 2048);
- variance = *sse - (uint32_t)(((int64_t)sum * sum) >> 11);
- _mm256_zeroupper();
- return variance;
+AOM_VAR_NO_LOOP_AVX2(64, 16, 10, 1024);
+AOM_VAR_NO_LOOP_AVX2(64, 32, 11, 2048);
+
+#define AOM_VAR_LOOP_AVX2(bw, bh, bits, uh) \
+ unsigned int aom_variance##bw##x##bh##_avx2( \
+ const uint8_t *src, int src_stride, const uint8_t *ref, int ref_stride, \
+ unsigned int *sse) { \
+ __m256i vsse = _mm256_setzero_si256(); \
+ __m256i vsum = _mm256_setzero_si256(); \
+ for (int i = 0; i < (bh / uh); i++) { \
+ __m256i vsum16; \
+ variance##bw##_avx2(src, src_stride, ref, ref_stride, uh, &vsse, \
+ &vsum16); \
+ vsum = _mm256_add_epi32(vsum, sum_to_32bit_avx2(vsum16)); \
+ src += uh * src_stride; \
+ ref += uh * ref_stride; \
+ } \
+ const __m128i vsum_128 = mm256_add_hi_lo_epi32(vsum); \
+ const int sum = variance_final_from_32bit_sum_avx2(vsse, vsum_128, sse); \
+ return *sse - (unsigned int)(((int64_t)sum * sum) >> bits); \
+ }
+
+AOM_VAR_LOOP_AVX2(64, 64, 12, 32); // 64x32 * ( 64/32)
+AOM_VAR_LOOP_AVX2(64, 128, 13, 32); // 64x32 * (128/32)
+AOM_VAR_LOOP_AVX2(128, 64, 13, 16); // 128x16 * ( 64/16)
+AOM_VAR_LOOP_AVX2(128, 128, 14, 16); // 128x16 * (128/16)
+
+unsigned int aom_mse16x16_avx2(const uint8_t *src, int src_stride,
+ const uint8_t *ref, int ref_stride,
+ unsigned int *sse) {
+ aom_variance16x16_avx2(src, src_stride, ref, ref_stride, sse);
+ return *sse;
}
unsigned int aom_sub_pixel_variance32xh_avx2(const uint8_t *src, int src_stride,
@@ -125,68 +240,164 @@ unsigned int aom_sub_pixel_avg_variance32xh_avx2(
const uint8_t *dst, int dst_stride, const uint8_t *sec, int sec_stride,
int height, unsigned int *sseptr);
-unsigned int aom_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 = aom_sub_pixel_variance32xh_avx2(
- src, src_stride, x_offset, y_offset, dst, dst_stride, 64, &sse1);
- unsigned int sse2;
- const int se2 =
- aom_sub_pixel_variance32xh_avx2(src + 32, src_stride, x_offset, y_offset,
- dst + 32, dst_stride, 64, &sse2);
- const int se = se1 + se2;
- unsigned int variance;
- *sse = sse1 + sse2;
-
- variance = *sse - (uint32_t)(((int64_t)se * se) >> 12);
- _mm256_zeroupper();
- return variance;
-}
-
-unsigned int aom_sub_pixel_variance32x32_avx2(const uint8_t *src,
- int src_stride, int x_offset,
- int y_offset, const uint8_t *dst,
- int dst_stride,
- unsigned int *sse) {
- const int se = aom_sub_pixel_variance32xh_avx2(
- src, src_stride, x_offset, y_offset, dst, dst_stride, 32, sse);
-
- const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10);
- _mm256_zeroupper();
- return variance;
-}
-
-unsigned int aom_sub_pixel_avg_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, const uint8_t *sec) {
- unsigned int sse1;
- const int se1 = aom_sub_pixel_avg_variance32xh_avx2(
- src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 64, 64, &sse1);
- unsigned int sse2;
- const int se2 = aom_sub_pixel_avg_variance32xh_avx2(
- src + 32, src_stride, x_offset, y_offset, dst + 32, dst_stride, sec + 32,
- 64, 64, &sse2);
- const int se = se1 + se2;
- unsigned int variance;
+#define AOM_SUB_PIXEL_VAR_AVX2(w, h, wf, wlog2, hlog2) \
+ unsigned int aom_sub_pixel_variance##w##x##h##_avx2( \
+ 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_avx2( \
+ src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, hf, \
+ &sse2); \
+ 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)(((int64_t)se * se) >> (wlog2 + hlog2)); \
+ }
+
+AOM_SUB_PIXEL_VAR_AVX2(128, 128, 32, 7, 7);
+AOM_SUB_PIXEL_VAR_AVX2(128, 64, 32, 7, 6);
+AOM_SUB_PIXEL_VAR_AVX2(64, 128, 32, 6, 7);
+AOM_SUB_PIXEL_VAR_AVX2(64, 64, 32, 6, 6);
+AOM_SUB_PIXEL_VAR_AVX2(64, 32, 32, 6, 5);
+AOM_SUB_PIXEL_VAR_AVX2(32, 64, 32, 5, 6);
+AOM_SUB_PIXEL_VAR_AVX2(32, 32, 32, 5, 5);
+AOM_SUB_PIXEL_VAR_AVX2(32, 16, 32, 5, 4);
+
+#define AOM_SUB_PIXEL_AVG_VAR_AVX2(w, h, wf, wlog2, hlog2) \
+ unsigned int aom_sub_pixel_avg_variance##w##x##h##_avx2( \
+ 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_avx2( \
+ src_ptr, src_stride, x_offset, y_offset, dst_ptr, dst_stride, \
+ sec_ptr, w, hf, &sse2); \
+ 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)(((int64_t)se * se) >> (wlog2 + hlog2)); \
+ }
- *sse = sse1 + sse2;
+AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 128, 32, 7, 7);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(128, 64, 32, 7, 6);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 128, 32, 6, 7);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 64, 32, 6, 6);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(64, 32, 32, 6, 5);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 64, 32, 5, 6);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 32, 32, 5, 5);
+AOM_SUB_PIXEL_AVG_VAR_AVX2(32, 16, 32, 5, 4);
- variance = *sse - (uint32_t)(((int64_t)se * se) >> 12);
- _mm256_zeroupper();
- return variance;
+static INLINE __m256i mm256_loadu2(const uint8_t *p0, const uint8_t *p1) {
+ const __m256i d =
+ _mm256_castsi128_si256(_mm_loadu_si128((const __m128i *)p1));
+ return _mm256_insertf128_si256(d, _mm_loadu_si128((const __m128i *)p0), 1);
}
-unsigned int aom_sub_pixel_avg_variance32x32_avx2(
- const uint8_t *src, int src_stride, int x_offset, int y_offset,
- const uint8_t *dst, int dst_stride, unsigned int *sse, const uint8_t *sec) {
- // Process 32 elements in parallel.
- const int se = aom_sub_pixel_avg_variance32xh_avx2(
- src, src_stride, x_offset, y_offset, dst, dst_stride, sec, 32, 32, sse);
-
- const unsigned int variance = *sse - (uint32_t)(((int64_t)se * se) >> 10);
- _mm256_zeroupper();
- return variance;
+static INLINE void comp_mask_pred_line_avx2(const __m256i s0, const __m256i s1,
+ const __m256i a,
+ uint8_t *comp_pred) {
+ const __m256i alpha_max = _mm256_set1_epi8(AOM_BLEND_A64_MAX_ALPHA);
+ const int16_t round_bits = 15 - AOM_BLEND_A64_ROUND_BITS;
+ const __m256i round_offset = _mm256_set1_epi16(1 << (round_bits));
+
+ const __m256i ma = _mm256_sub_epi8(alpha_max, a);
+
+ const __m256i ssAL = _mm256_unpacklo_epi8(s0, s1);
+ const __m256i aaAL = _mm256_unpacklo_epi8(a, ma);
+ const __m256i ssAH = _mm256_unpackhi_epi8(s0, s1);
+ const __m256i aaAH = _mm256_unpackhi_epi8(a, ma);
+
+ const __m256i blendAL = _mm256_maddubs_epi16(ssAL, aaAL);
+ const __m256i blendAH = _mm256_maddubs_epi16(ssAH, aaAH);
+ const __m256i roundAL = _mm256_mulhrs_epi16(blendAL, round_offset);
+ const __m256i roundAH = _mm256_mulhrs_epi16(blendAH, round_offset);
+
+ const __m256i roundA = _mm256_packus_epi16(roundAL, roundAH);
+ _mm256_storeu_si256((__m256i *)(comp_pred), roundA);
+}
+
+void aom_comp_mask_pred_avx2(uint8_t *comp_pred, const uint8_t *pred, int width,
+ int height, const uint8_t *ref, int ref_stride,
+ const uint8_t *mask, int mask_stride,
+ int invert_mask) {
+ int i = 0;
+ const uint8_t *src0 = invert_mask ? pred : ref;
+ const uint8_t *src1 = invert_mask ? ref : pred;
+ const int stride0 = invert_mask ? width : ref_stride;
+ const int stride1 = invert_mask ? ref_stride : width;
+ if (width == 8) {
+ comp_mask_pred_8_ssse3(comp_pred, height, src0, stride0, src1, stride1,
+ mask, mask_stride);
+ } else if (width == 16) {
+ do {
+ const __m256i sA0 = mm256_loadu2(src0 + stride0, src0);
+ const __m256i sA1 = mm256_loadu2(src1 + stride1, src1);
+ const __m256i aA = mm256_loadu2(mask + mask_stride, mask);
+ src0 += (stride0 << 1);
+ src1 += (stride1 << 1);
+ mask += (mask_stride << 1);
+ const __m256i sB0 = mm256_loadu2(src0 + stride0, src0);
+ const __m256i sB1 = mm256_loadu2(src1 + stride1, src1);
+ const __m256i aB = mm256_loadu2(mask + mask_stride, mask);
+ src0 += (stride0 << 1);
+ src1 += (stride1 << 1);
+ mask += (mask_stride << 1);
+ // comp_pred's stride == width == 16
+ comp_mask_pred_line_avx2(sA0, sA1, aA, comp_pred);
+ comp_mask_pred_line_avx2(sB0, sB1, aB, comp_pred + 32);
+ comp_pred += (16 << 2);
+ i += 4;
+ } while (i < height);
+ } else { // for width == 32
+ do {
+ const __m256i sA0 = _mm256_lddqu_si256((const __m256i *)(src0));
+ const __m256i sA1 = _mm256_lddqu_si256((const __m256i *)(src1));
+ const __m256i aA = _mm256_lddqu_si256((const __m256i *)(mask));
+
+ const __m256i sB0 = _mm256_lddqu_si256((const __m256i *)(src0 + stride0));
+ const __m256i sB1 = _mm256_lddqu_si256((const __m256i *)(src1 + stride1));
+ const __m256i aB =
+ _mm256_lddqu_si256((const __m256i *)(mask + mask_stride));
+
+ comp_mask_pred_line_avx2(sA0, sA1, aA, comp_pred);
+ comp_mask_pred_line_avx2(sB0, sB1, aB, comp_pred + 32);
+ comp_pred += (32 << 1);
+
+ src0 += (stride0 << 1);
+ src1 += (stride1 << 1);
+ mask += (mask_stride << 1);
+ i += 2;
+ } while (i < height);
+ }
}