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Diffstat (limited to '')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/blend_a64_mask_sse4.c | 1109 |
1 files changed, 1109 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/blend_a64_mask_sse4.c b/third_party/aom/aom_dsp/x86/blend_a64_mask_sse4.c new file mode 100644 index 0000000000..9d6b4c2f74 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/blend_a64_mask_sse4.c @@ -0,0 +1,1109 @@ +/* + * 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 <smmintrin.h> // SSE4.1 + +#include <assert.h> + +#include "aom/aom_integer.h" +#include "aom_ports/mem.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/blend.h" + +#include "aom_dsp/x86/synonyms.h" +#include "aom_dsp/x86/blend_sse4.h" +#include "aom_dsp/x86/blend_mask_sse4.h" + +#include "config/aom_dsp_rtcd.h" + +////////////////////////////////////////////////////////////////////////////// +// No sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static void blend_a64_mask_w4_sse4_1(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, + int w, int h) { + (void)w; + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + const __m128i v_m0_b = xx_loadl_32(mask); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_w8_sse4_1(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, + int w, int h) { + (void)w; + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + const __m128i v_m0_b = xx_loadl_64(mask); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_w16n_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + + do { + int c; + for (c = 0; c < w; c += 16) { + const __m128i v_m0_b = xx_loadu_128(mask + c); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = + blend_16_u8(src0 + c, src1 + c, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +////////////////////////////////////////////////////////////////////////////// +// Horizontal sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static void blend_a64_mask_sx_w4_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + const __m128i v_r_b = xx_loadl_64(mask); + const __m128i v_r0_s_b = _mm_shuffle_epi8(v_r_b, v_shuffle_b); + const __m128i v_r_lo_b = _mm_unpacklo_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_r_hi_b = _mm_unpackhi_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_m0_b = _mm_avg_epu8(v_r_lo_b, v_r_hi_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_sx_w8_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + const __m128i v_r_b = xx_loadu_128(mask); + const __m128i v_r0_s_b = _mm_shuffle_epi8(v_r_b, v_shuffle_b); + const __m128i v_r_lo_b = _mm_unpacklo_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_r_hi_b = _mm_unpackhi_epi64(v_r0_s_b, v_r0_s_b); + const __m128i v_m0_b = _mm_avg_epu8(v_r_lo_b, v_r_hi_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_sx_w16n_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + + do { + int c; + for (c = 0; c < w; c += 16) { + const __m128i v_r0_b = xx_loadu_128(mask + 2 * c); + const __m128i v_r1_b = xx_loadu_128(mask + 2 * c + 16); + const __m128i v_r0_s_b = _mm_shuffle_epi8(v_r0_b, v_shuffle_b); + const __m128i v_r1_s_b = _mm_shuffle_epi8(v_r1_b, v_shuffle_b); + const __m128i v_r_lo_b = _mm_unpacklo_epi64(v_r0_s_b, v_r1_s_b); + const __m128i v_r_hi_b = _mm_unpackhi_epi64(v_r0_s_b, v_r1_s_b); + const __m128i v_m0_b = _mm_avg_epu8(v_r_lo_b, v_r_hi_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = + blend_16_u8(src0 + c, src1 + c, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +////////////////////////////////////////////////////////////////////////////// +// Vertical sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static void blend_a64_mask_sy_w4_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + + do { + const __m128i v_ra_b = xx_loadl_32(mask); + const __m128i v_rb_b = xx_loadl_32(mask + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_sy_w8_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + const __m128i v_ra_b = xx_loadl_64(mask); + const __m128i v_rb_b = xx_loadl_64(mask + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_sy_w16n_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + int c; + for (c = 0; c < w; c += 16) { + const __m128i v_ra_b = xx_loadu_128(mask + c); + const __m128i v_rb_b = xx_loadu_128(mask + c + mask_stride); + const __m128i v_m0_b = _mm_avg_epu8(v_ra_b, v_rb_b); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = + blend_16_u8(src0 + c, src1 + c, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +////////////////////////////////////////////////////////////////////////////// +// Horizontal and Vertical sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static void blend_a64_mask_sx_sy_w4_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + (void)w; + + do { + const __m128i v_ra_b = xx_loadl_64(mask); + const __m128i v_rb_b = xx_loadl_64(mask + mask_stride); + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_r_s_b = _mm_shuffle_epi8(v_rvs_b, v_shuffle_b); + const __m128i v_r0_s_w = _mm_cvtepu8_epi16(v_r_s_b); + const __m128i v_r1_s_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_r_s_b, 8)); + const __m128i v_rs_w = _mm_add_epi16(v_r0_s_w, v_r1_s_w); + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m0_b = _mm_packus_epi16(v_m0_w, v_m0_w); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_4_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_32(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_sx_sy_w8_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_shuffle_b = xx_loadu_128(g_blend_a64_mask_shuffle); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + (void)w; + + do { + const __m128i v_ra_b = xx_loadu_128(mask); + const __m128i v_rb_b = xx_loadu_128(mask + mask_stride); + + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_r_s_b = _mm_shuffle_epi8(v_rvs_b, v_shuffle_b); + const __m128i v_r0_s_w = _mm_cvtepu8_epi16(v_r_s_b); + const __m128i v_r1_s_w = _mm_cvtepu8_epi16(_mm_srli_si128(v_r_s_b, 8)); + const __m128i v_rs_w = _mm_add_epi16(v_r0_s_w, v_r1_s_w); + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m0_b = _mm_packus_epi16(v_m0_w, v_m0_w); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = blend_8_u8(src0, src1, &v_m0_b, &v_m1_b, &_r); + + xx_storel_64(dst, v_res_b); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_sx_sy_w16n_sse4_1( + uint8_t *dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + const __m128i v_zmask_b = _mm_set_epi8(0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, + 0xff, 0, 0xff, 0, 0xff, 0, 0xff); + const __m128i v_maxval_b = _mm_set1_epi8(AOM_BLEND_A64_MAX_ALPHA); + const __m128i _r = _mm_set1_epi16(1 << (15 - AOM_BLEND_A64_ROUND_BITS)); + do { + int c; + for (c = 0; c < w; c += 16) { + const __m128i v_ral_b = xx_loadu_128(mask + 2 * c); + const __m128i v_rah_b = xx_loadu_128(mask + 2 * c + 16); + const __m128i v_rbl_b = xx_loadu_128(mask + mask_stride + 2 * c); + const __m128i v_rbh_b = xx_loadu_128(mask + mask_stride + 2 * c + 16); + const __m128i v_rvsl_b = _mm_add_epi8(v_ral_b, v_rbl_b); + const __m128i v_rvsh_b = _mm_add_epi8(v_rah_b, v_rbh_b); + const __m128i v_rvsal_w = _mm_and_si128(v_rvsl_b, v_zmask_b); + const __m128i v_rvsah_w = _mm_and_si128(v_rvsh_b, v_zmask_b); + const __m128i v_rvsbl_w = + _mm_and_si128(_mm_srli_si128(v_rvsl_b, 1), v_zmask_b); + const __m128i v_rvsbh_w = + _mm_and_si128(_mm_srli_si128(v_rvsh_b, 1), v_zmask_b); + const __m128i v_rsl_w = _mm_add_epi16(v_rvsal_w, v_rvsbl_w); + const __m128i v_rsh_w = _mm_add_epi16(v_rvsah_w, v_rvsbh_w); + + const __m128i v_m0l_w = xx_roundn_epu16(v_rsl_w, 2); + const __m128i v_m0h_w = xx_roundn_epu16(v_rsh_w, 2); + const __m128i v_m0_b = _mm_packus_epi16(v_m0l_w, v_m0h_w); + const __m128i v_m1_b = _mm_sub_epi8(v_maxval_b, v_m0_b); + + const __m128i v_res_b = + blend_16_u8(src0 + c, src1 + c, &v_m0_b, &v_m1_b, &_r); + + xx_storeu_128(dst + c, v_res_b); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +////////////////////////////////////////////////////////////////////////////// +// Dispatch +////////////////////////////////////////////////////////////////////////////// + +void aom_blend_a64_mask_sse4_1(uint8_t *dst, uint32_t dst_stride, + const uint8_t *src0, uint32_t src0_stride, + const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, + int h, int subx, int suby) { + typedef void (*blend_fn)( + uint8_t * dst, uint32_t dst_stride, const uint8_t *src0, + uint32_t src0_stride, const uint8_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h); + + // Dimensions are: width_index X subx X suby + static const blend_fn blend[3][2][2] = { + { // w % 16 == 0 + { blend_a64_mask_w16n_sse4_1, blend_a64_mask_sy_w16n_sse4_1 }, + { blend_a64_mask_sx_w16n_sse4_1, blend_a64_mask_sx_sy_w16n_sse4_1 } }, + { // w == 4 + { blend_a64_mask_w4_sse4_1, blend_a64_mask_sy_w4_sse4_1 }, + { blend_a64_mask_sx_w4_sse4_1, blend_a64_mask_sx_sy_w4_sse4_1 } }, + { // w == 8 + { blend_a64_mask_w8_sse4_1, blend_a64_mask_sy_w8_sse4_1 }, + { blend_a64_mask_sx_w8_sse4_1, blend_a64_mask_sx_sy_w8_sse4_1 } } + }; + + assert(IMPLIES(src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES(src1 == dst, src1_stride == dst_stride)); + + assert(h >= 1); + assert(w >= 1); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + if (UNLIKELY((h | w) & 3)) { // if (w <= 2 || h <= 2) + aom_blend_a64_mask_c(dst, dst_stride, src0, src0_stride, src1, src1_stride, + mask, mask_stride, w, h, subx, suby); + } else { + blend[(w >> 2) & 3][subx != 0][suby != 0](dst, dst_stride, src0, + src0_stride, src1, src1_stride, + mask, mask_stride, w, h); + } +} + +////////////////////////////////////////////////////////////////////////////// +// No sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static INLINE void blend_a64_mask_bn_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, blend_unit_fn blend) { + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + const __m128i v_m0_b = xx_loadl_32(mask); + const __m128i v_m0_w = _mm_cvtepu8_epi16(v_m0_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w); + + xx_storel_64(dst, v_res_w); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, blend_4_b10); +} + +static void blend_a64_mask_b12_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, blend_4_b12); +} + +static INLINE void blend_a64_mask_bn_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, + blend_unit_fn blend) { + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + int c; + for (c = 0; c < w; c += 8) { + const __m128i v_m0_b = xx_loadl_64(mask + c); + const __m128i v_m0_w = _mm_cvtepu8_epi16(v_m0_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w); + + xx_storeu_128(dst + c, v_res_w); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b10); +} + +static void blend_a64_mask_b12_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b12); +} + +////////////////////////////////////////////////////////////////////////////// +// Horizontal sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static INLINE void blend_a64_mask_bn_sx_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, blend_unit_fn blend) { + const __m128i v_zmask_b = _mm_set_epi8(0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, + 0xff, 0, 0xff, 0, 0xff, 0, 0xff); + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + const __m128i v_r_b = xx_loadl_64(mask); + const __m128i v_a_b = _mm_avg_epu8(v_r_b, _mm_srli_si128(v_r_b, 1)); + + const __m128i v_m0_w = _mm_and_si128(v_a_b, v_zmask_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w); + + xx_storel_64(dst, v_res_w); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sx_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sx_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b10); +} + +static void blend_a64_mask_b12_sx_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sx_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b12); +} + +static INLINE void blend_a64_mask_bn_sx_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, + blend_unit_fn blend) { + const __m128i v_zmask_b = _mm_set_epi8(0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, + 0xff, 0, 0xff, 0, 0xff, 0, 0xff); + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + int c; + for (c = 0; c < w; c += 8) { + const __m128i v_r_b = xx_loadu_128(mask + 2 * c); + const __m128i v_a_b = _mm_avg_epu8(v_r_b, _mm_srli_si128(v_r_b, 1)); + + const __m128i v_m0_w = _mm_and_si128(v_a_b, v_zmask_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w); + + xx_storeu_128(dst + c, v_res_w); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sx_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sx_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b10); +} + +static void blend_a64_mask_b12_sx_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sx_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b12); +} + +////////////////////////////////////////////////////////////////////////////// +// Vertical sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static INLINE void blend_a64_mask_bn_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, blend_unit_fn blend) { + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + const __m128i v_ra_b = xx_loadl_32(mask); + const __m128i v_rb_b = xx_loadl_32(mask + mask_stride); + const __m128i v_a_b = _mm_avg_epu8(v_ra_b, v_rb_b); + + const __m128i v_m0_w = _mm_cvtepu8_epi16(v_a_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w); + + xx_storel_64(dst, v_res_w); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sy_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b10); +} + +static void blend_a64_mask_b12_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sy_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b12); +} + +static INLINE void blend_a64_mask_bn_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, + blend_unit_fn blend) { + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + int c; + for (c = 0; c < w; c += 8) { + const __m128i v_ra_b = xx_loadl_64(mask + c); + const __m128i v_rb_b = xx_loadl_64(mask + c + mask_stride); + const __m128i v_a_b = _mm_avg_epu8(v_ra_b, v_rb_b); + + const __m128i v_m0_w = _mm_cvtepu8_epi16(v_a_b); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w); + + xx_storeu_128(dst + c, v_res_w); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sy_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b10); +} + +static void blend_a64_mask_b12_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sy_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b12); +} + +////////////////////////////////////////////////////////////////////////////// +// Horizontal and Vertical sub-sampling +////////////////////////////////////////////////////////////////////////////// + +static INLINE void blend_a64_mask_bn_sx_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, blend_unit_fn blend) { + const __m128i v_zmask_b = _mm_set_epi8(0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, + 0xff, 0, 0xff, 0, 0xff, 0, 0xff); + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + const __m128i v_ra_b = xx_loadl_64(mask); + const __m128i v_rb_b = xx_loadl_64(mask + mask_stride); + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_rvsa_w = _mm_and_si128(v_rvs_b, v_zmask_b); + const __m128i v_rvsb_w = + _mm_and_si128(_mm_srli_si128(v_rvs_b, 1), v_zmask_b); + const __m128i v_rs_w = _mm_add_epi16(v_rvsa_w, v_rvsb_w); + + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w); + + xx_storel_64(dst, v_res_w); + + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sx_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sx_sy_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b10); +} + +static void blend_a64_mask_b12_sx_sy_w4_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + (void)w; + blend_a64_mask_bn_sx_sy_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, h, + blend_4_b12); +} + +static INLINE void blend_a64_mask_bn_sx_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, + blend_unit_fn blend) { + const __m128i v_zmask_b = _mm_set_epi8(0, 0xff, 0, 0xff, 0, 0xff, 0, 0xff, 0, + 0xff, 0, 0xff, 0, 0xff, 0, 0xff); + const __m128i v_maxval_w = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + + do { + int c; + for (c = 0; c < w; c += 8) { + const __m128i v_ra_b = xx_loadu_128(mask + 2 * c); + const __m128i v_rb_b = xx_loadu_128(mask + 2 * c + mask_stride); + const __m128i v_rvs_b = _mm_add_epi8(v_ra_b, v_rb_b); + const __m128i v_rvsa_w = _mm_and_si128(v_rvs_b, v_zmask_b); + const __m128i v_rvsb_w = + _mm_and_si128(_mm_srli_si128(v_rvs_b, 1), v_zmask_b); + const __m128i v_rs_w = _mm_add_epi16(v_rvsa_w, v_rvsb_w); + + const __m128i v_m0_w = xx_roundn_epu16(v_rs_w, 2); + const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w); + + const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w); + + xx_storeu_128(dst + c, v_res_w); + } + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + mask += 2 * mask_stride; + } while (--h); +} + +static void blend_a64_mask_b10_sx_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sx_sy_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b10); +} + +static void blend_a64_mask_b12_sx_sy_w8n_sse4_1( + uint16_t *dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h) { + blend_a64_mask_bn_sx_sy_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1, + src1_stride, mask, mask_stride, w, h, + blend_8_b12); +} + +////////////////////////////////////////////////////////////////////////////// +// Dispatch +////////////////////////////////////////////////////////////////////////////// + +void aom_highbd_blend_a64_mask_sse4_1(uint8_t *dst_8, uint32_t dst_stride, + const uint8_t *src0_8, + uint32_t src0_stride, + const uint8_t *src1_8, + uint32_t src1_stride, const uint8_t *mask, + uint32_t mask_stride, int w, int h, + int subx, int suby, int bd) { + typedef void (*blend_fn)( + uint16_t * dst, uint32_t dst_stride, const uint16_t *src0, + uint32_t src0_stride, const uint16_t *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h); + + // Dimensions are: bd_index X width_index X subx X suby + static const blend_fn blend[2][2][2][2] = { + { // bd == 8 or 10 + { // w % 8 == 0 + { blend_a64_mask_b10_w8n_sse4_1, blend_a64_mask_b10_sy_w8n_sse4_1 }, + { blend_a64_mask_b10_sx_w8n_sse4_1, + blend_a64_mask_b10_sx_sy_w8n_sse4_1 } }, + { // w == 4 + { blend_a64_mask_b10_w4_sse4_1, blend_a64_mask_b10_sy_w4_sse4_1 }, + { blend_a64_mask_b10_sx_w4_sse4_1, + blend_a64_mask_b10_sx_sy_w4_sse4_1 } } }, + { // bd == 12 + { // w % 8 == 0 + { blend_a64_mask_b12_w8n_sse4_1, blend_a64_mask_b12_sy_w8n_sse4_1 }, + { blend_a64_mask_b12_sx_w8n_sse4_1, + blend_a64_mask_b12_sx_sy_w8n_sse4_1 } }, + { // w == 4 + { blend_a64_mask_b12_w4_sse4_1, blend_a64_mask_b12_sy_w4_sse4_1 }, + { blend_a64_mask_b12_sx_w4_sse4_1, + blend_a64_mask_b12_sx_sy_w4_sse4_1 } } } + }; + + assert(IMPLIES(src0_8 == dst_8, src0_stride == dst_stride)); + assert(IMPLIES(src1_8 == dst_8, src1_stride == dst_stride)); + + assert(h >= 1); + assert(w >= 1); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + assert(bd == 8 || bd == 10 || bd == 12); + if (UNLIKELY((h | w) & 3)) { // if (w <= 2 || h <= 2) + aom_highbd_blend_a64_mask_c(dst_8, dst_stride, src0_8, src0_stride, src1_8, + src1_stride, mask, mask_stride, w, h, subx, + suby, bd); + } else { + uint16_t *const dst = CONVERT_TO_SHORTPTR(dst_8); + const uint16_t *const src0 = CONVERT_TO_SHORTPTR(src0_8); + const uint16_t *const src1 = CONVERT_TO_SHORTPTR(src1_8); + + blend[bd == 12][(w >> 2) & 1][subx != 0][suby != 0]( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, w, h); + } +} + +static INLINE void blend_a64_d16_mask_w16_sse41( + uint8_t *dst, const CONV_BUF_TYPE *src0, const CONV_BUF_TYPE *src1, + const __m128i *m0, const __m128i *m1, const __m128i *v_round_offset, + const __m128i *v_maxval, int shift) { + const __m128i max_minus_m0 = _mm_sub_epi16(*v_maxval, *m0); + const __m128i max_minus_m1 = _mm_sub_epi16(*v_maxval, *m1); + const __m128i s0_0 = xx_loadu_128(src0); + const __m128i s0_1 = xx_loadu_128(src0 + 8); + const __m128i s1_0 = xx_loadu_128(src1); + const __m128i s1_1 = xx_loadu_128(src1 + 8); + __m128i res0_lo = _mm_madd_epi16(_mm_unpacklo_epi16(s0_0, s1_0), + _mm_unpacklo_epi16(*m0, max_minus_m0)); + __m128i res0_hi = _mm_madd_epi16(_mm_unpackhi_epi16(s0_0, s1_0), + _mm_unpackhi_epi16(*m0, max_minus_m0)); + __m128i res1_lo = _mm_madd_epi16(_mm_unpacklo_epi16(s0_1, s1_1), + _mm_unpacklo_epi16(*m1, max_minus_m1)); + __m128i res1_hi = _mm_madd_epi16(_mm_unpackhi_epi16(s0_1, s1_1), + _mm_unpackhi_epi16(*m1, max_minus_m1)); + res0_lo = _mm_srai_epi32(_mm_sub_epi32(res0_lo, *v_round_offset), shift); + res0_hi = _mm_srai_epi32(_mm_sub_epi32(res0_hi, *v_round_offset), shift); + res1_lo = _mm_srai_epi32(_mm_sub_epi32(res1_lo, *v_round_offset), shift); + res1_hi = _mm_srai_epi32(_mm_sub_epi32(res1_hi, *v_round_offset), shift); + const __m128i res0 = _mm_packs_epi32(res0_lo, res0_hi); + const __m128i res1 = _mm_packs_epi32(res1_lo, res1_hi); + const __m128i res = _mm_packus_epi16(res0, res1); + + _mm_storeu_si128((__m128i *)(dst), res); +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh0_w16_sse4_1( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m128i *round_offset, int shift) { + const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m128i m = xx_loadu_128(mask + j); + const __m128i m0 = _mm_cvtepu8_epi16(m); + const __m128i m1 = _mm_cvtepu8_epi16(_mm_srli_si128(m, 8)); + + blend_a64_d16_mask_w16_sse41(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh1_w16_sse4_1( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m128i *round_offset, int shift) { + const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m128i one_b = _mm_set1_epi8(1); + const __m128i two_w = _mm_set1_epi16(2); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m128i m_i00 = xx_loadu_128(mask + 2 * j); + const __m128i m_i01 = xx_loadu_128(mask + 2 * j + 16); + const __m128i m_i10 = xx_loadu_128(mask + mask_stride + 2 * j); + const __m128i m_i11 = xx_loadu_128(mask + mask_stride + 2 * j + 16); + + const __m128i m0_ac = _mm_adds_epu8(m_i00, m_i10); + const __m128i m1_ac = _mm_adds_epu8(m_i01, m_i11); + const __m128i m0_acbd = _mm_maddubs_epi16(m0_ac, one_b); + const __m128i m1_acbd = _mm_maddubs_epi16(m1_ac, one_b); + const __m128i m0 = _mm_srli_epi16(_mm_add_epi16(m0_acbd, two_w), 2); + const __m128i m1 = _mm_srli_epi16(_mm_add_epi16(m1_acbd, two_w), 2); + + blend_a64_d16_mask_w16_sse41(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw1_subh0_w16_sse4_1( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m128i *round_offset, int shift) { + const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m128i one_b = _mm_set1_epi8(1); + const __m128i zeros = _mm_setzero_si128(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m128i m_i00 = xx_loadu_128(mask + 2 * j); + const __m128i m_i01 = xx_loadu_128(mask + 2 * j + 16); + const __m128i m0_ac = _mm_maddubs_epi16(m_i00, one_b); + const __m128i m1_ac = _mm_maddubs_epi16(m_i01, one_b); + const __m128i m0 = _mm_avg_epu16(m0_ac, zeros); + const __m128i m1 = _mm_avg_epu16(m1_ac, zeros); + + blend_a64_d16_mask_w16_sse41(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +static INLINE void lowbd_blend_a64_d16_mask_subw0_subh1_w16_sse4_1( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int h, int w, + const __m128i *round_offset, int shift) { + const __m128i v_maxval = _mm_set1_epi16(AOM_BLEND_A64_MAX_ALPHA); + const __m128i zeros = _mm_setzero_si128(); + for (int i = 0; i < h; ++i) { + for (int j = 0; j < w; j += 16) { + const __m128i m_i00 = xx_loadu_128(mask + j); + const __m128i m_i10 = xx_loadu_128(mask + mask_stride + j); + + const __m128i m_ac = _mm_avg_epu8(_mm_adds_epu8(m_i00, m_i10), zeros); + const __m128i m0 = _mm_cvtepu8_epi16(m_ac); + const __m128i m1 = _mm_cvtepu8_epi16(_mm_srli_si128(m_ac, 8)); + + blend_a64_d16_mask_w16_sse41(dst + j, src0 + j, src1 + j, &m0, &m1, + round_offset, &v_maxval, shift); + } + mask += mask_stride << 1; + dst += dst_stride; + src0 += src0_stride; + src1 += src1_stride; + } +} + +void aom_lowbd_blend_a64_d16_mask_sse4_1( + uint8_t *dst, uint32_t dst_stride, const CONV_BUF_TYPE *src0, + uint32_t src0_stride, const CONV_BUF_TYPE *src1, uint32_t src1_stride, + const uint8_t *mask, uint32_t mask_stride, int w, int h, int subw, int subh, + ConvolveParams *conv_params) { + const int bd = 8; + const int round_bits = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + + const int round_offset = + ((1 << (round_bits + bd)) + (1 << (round_bits + bd - 1)) - + (1 << (round_bits - 1))) + << AOM_BLEND_A64_ROUND_BITS; + + const int shift = round_bits + AOM_BLEND_A64_ROUND_BITS; + assert(IMPLIES((void *)src0 == dst, src0_stride == dst_stride)); + assert(IMPLIES((void *)src1 == dst, src1_stride == dst_stride)); + + assert(h >= 4); + assert(w >= 4); + assert(IS_POWER_OF_TWO(h)); + assert(IS_POWER_OF_TWO(w)); + + const __m128i v_round_offset = _mm_set1_epi32(round_offset); + + if (subw == 0 && subh == 0) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw0_subh0_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw0_subh0_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw0_subh0_w16_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &v_round_offset, shift); + break; + } + + } else if (subw == 1 && subh == 1) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw1_subh1_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw1_subh1_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw1_subh1_w16_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &v_round_offset, shift); + break; + } + } else if (subw == 1 && subh == 0) { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw1_subh0_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw1_subh0_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw1_subh0_w16_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &v_round_offset, shift); + break; + } + } else { + switch (w) { + case 4: + aom_lowbd_blend_a64_d16_mask_subw0_subh1_w4_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + case 8: + aom_lowbd_blend_a64_d16_mask_subw0_subh1_w8_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, &v_round_offset, shift); + break; + default: + lowbd_blend_a64_d16_mask_subw0_subh1_w16_sse4_1( + dst, dst_stride, src0, src0_stride, src1, src1_stride, mask, + mask_stride, h, w, &v_round_offset, shift); + break; + } + } +} |