294 lines
9.6 KiB
C
294 lines
9.6 KiB
C
/*
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* Copyright (c) 2016 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <smmintrin.h> // SSE4.1
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#include <assert.h>
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#include "vpx/vpx_integer.h"
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#include "vpx_ports/mem.h"
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#include "vpx_dsp/vpx_dsp_common.h"
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#include "vpx_dsp/blend.h"
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#include "vpx_dsp/x86/synonyms.h"
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#include "vpx_dsp/x86/blend_sse4.h"
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#include "./vpx_dsp_rtcd.h"
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//////////////////////////////////////////////////////////////////////////////
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// Implementation - No sub-sampling
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//////////////////////////////////////////////////////////////////////////////
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static void blend_a64_vmask_w4_sse4_1(
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uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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const __m128i v_maxval_w = _mm_set1_epi16(VPX_BLEND_A64_MAX_ALPHA);
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(void)w;
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do {
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const __m128i v_m0_w = _mm_set1_epi16(*mask);
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const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
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const __m128i v_res_w = blend_4(src0, src1, v_m0_w, v_m1_w);
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const __m128i v_res_b = _mm_packus_epi16(v_res_w, v_res_w);
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xx_storel_32(dst, v_res_b);
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dst += dst_stride;
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src0 += src0_stride;
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src1 += src1_stride;
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mask += 1;
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} while (--h);
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}
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static void blend_a64_vmask_w8_sse4_1(
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uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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const __m128i v_maxval_w = _mm_set1_epi16(VPX_BLEND_A64_MAX_ALPHA);
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(void)w;
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do {
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const __m128i v_m0_w = _mm_set1_epi16(*mask);
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const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
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const __m128i v_res_w = blend_8(src0, src1, v_m0_w, v_m1_w);
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const __m128i v_res_b = _mm_packus_epi16(v_res_w, v_res_w);
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xx_storel_64(dst, v_res_b);
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dst += dst_stride;
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src0 += src0_stride;
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src1 += src1_stride;
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mask += 1;
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} while (--h);
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}
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static void blend_a64_vmask_w16n_sse4_1(
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uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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const __m128i v_maxval_w = _mm_set1_epi16(VPX_BLEND_A64_MAX_ALPHA);
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do {
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int c;
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const __m128i v_m0_w = _mm_set1_epi16(*mask);
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const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
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for (c = 0; c < w; c += 16) {
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const __m128i v_resl_w = blend_8(src0 + c, src1 + c,
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v_m0_w, v_m1_w);
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const __m128i v_resh_w = blend_8(src0 + c + 8, src1 + c + 8,
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v_m0_w, v_m1_w);
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const __m128i v_res_b = _mm_packus_epi16(v_resl_w, v_resh_w);
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xx_storeu_128(dst + c, v_res_b);
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}
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dst += dst_stride;
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src0 += src0_stride;
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src1 += src1_stride;
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mask += 1;
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} while (--h);
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}
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//////////////////////////////////////////////////////////////////////////////
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// Dispatch
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//////////////////////////////////////////////////////////////////////////////
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void vpx_blend_a64_vmask_sse4_1(
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uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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typedef void (*blend_fn)(uint8_t *dst, uint32_t dst_stride,
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const uint8_t *src0, uint32_t src0_stride,
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const uint8_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w);
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// Dimension: width_index
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static const blend_fn blend[9] = {
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blend_a64_vmask_w16n_sse4_1, // w % 16 == 0
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vpx_blend_a64_vmask_c, // w == 1
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vpx_blend_a64_vmask_c, // w == 2
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NULL, // INVALID
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blend_a64_vmask_w4_sse4_1, // w == 4
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NULL, // INVALID
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NULL, // INVALID
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NULL, // INVALID
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blend_a64_vmask_w8_sse4_1, // w == 8
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};
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assert(IMPLIES(src0 == dst, src0_stride == dst_stride));
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assert(IMPLIES(src1 == dst, src1_stride == dst_stride));
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assert(h >= 1);
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assert(w >= 1);
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assert(IS_POWER_OF_TWO(h));
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assert(IS_POWER_OF_TWO(w));
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blend[w & 0xf](dst, dst_stride,
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src0, src0_stride,
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src1, src1_stride,
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mask, h, w);
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}
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#if CONFIG_VPX_HIGHBITDEPTH
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//////////////////////////////////////////////////////////////////////////////
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// Implementation - No sub-sampling
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//////////////////////////////////////////////////////////////////////////////
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static INLINE void blend_a64_vmask_bn_w4_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, blend_unit_fn blend) {
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const __m128i v_maxval_w = _mm_set1_epi16(VPX_BLEND_A64_MAX_ALPHA);
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do {
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const __m128i v_m0_w = _mm_set1_epi16(*mask);
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const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
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const __m128i v_res_w = blend(src0, src1, v_m0_w, v_m1_w);
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xx_storel_64(dst, v_res_w);
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dst += dst_stride;
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src0 += src0_stride;
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src1 += src1_stride;
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mask += 1;
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} while (--h);
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}
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static void blend_a64_vmask_b10_w4_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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(void)w;
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blend_a64_vmask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1,
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src1_stride, mask, h,
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blend_4_b10);
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}
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static void blend_a64_vmask_b12_w4_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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(void)w;
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blend_a64_vmask_bn_w4_sse4_1(dst, dst_stride, src0, src0_stride, src1,
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src1_stride, mask, h,
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blend_4_b12);
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}
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static INLINE void blend_a64_vmask_bn_w8n_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w, blend_unit_fn blend) {
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const __m128i v_maxval_w = _mm_set1_epi16(VPX_BLEND_A64_MAX_ALPHA);
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do {
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int c;
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const __m128i v_m0_w = _mm_set1_epi16(*mask);
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const __m128i v_m1_w = _mm_sub_epi16(v_maxval_w, v_m0_w);
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for (c = 0; c < w; c += 8) {
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const __m128i v_res_w = blend(src0 + c, src1 + c, v_m0_w, v_m1_w);
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xx_storeu_128(dst + c, v_res_w);
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}
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dst += dst_stride;
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src0 += src0_stride;
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src1 += src1_stride;
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mask += 1;
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} while (--h);
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}
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static void blend_a64_vmask_b10_w8n_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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blend_a64_vmask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1,
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src1_stride, mask, h, w,
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blend_8_b10);
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}
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static void blend_a64_vmask_b12_w8n_sse4_1(
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uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w) {
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blend_a64_vmask_bn_w8n_sse4_1(dst, dst_stride, src0, src0_stride, src1,
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src1_stride, mask, h, w,
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blend_8_b12);
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}
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//////////////////////////////////////////////////////////////////////////////
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// Dispatch
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//////////////////////////////////////////////////////////////////////////////
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void vpx_highbd_blend_a64_vmask_sse4_1(
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uint8_t *dst_8, uint32_t dst_stride,
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const uint8_t *src0_8, uint32_t src0_stride,
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const uint8_t *src1_8, uint32_t src1_stride,
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const uint8_t *mask, int h, int w, int bd) {
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typedef void (*blend_fn)(uint16_t *dst, uint32_t dst_stride,
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const uint16_t *src0, uint32_t src0_stride,
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const uint16_t *src1, uint32_t src1_stride,
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const uint8_t *mask, int h, int w);
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// Dimensions are: bd_index X width_index
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static const blend_fn blend[2][2] = {
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{ // bd == 8 or 10
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blend_a64_vmask_b10_w8n_sse4_1, // w % 8 == 0
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blend_a64_vmask_b10_w4_sse4_1, // w == 4
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}, { // bd == 12
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blend_a64_vmask_b12_w8n_sse4_1, // w % 8 == 0
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blend_a64_vmask_b12_w4_sse4_1, // w == 4
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}
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};
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assert(IMPLIES(src0_8 == dst_8, src0_stride == dst_stride));
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assert(IMPLIES(src1_8 == dst_8, src1_stride == dst_stride));
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assert(h >= 1);
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assert(w >= 1);
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assert(IS_POWER_OF_TWO(h));
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assert(IS_POWER_OF_TWO(w));
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assert(bd == 8 || bd == 10 || bd == 12);
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if (UNLIKELY((h | w) & 3)) { // if (w <= 2 || h <= 2)
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vpx_highbd_blend_a64_vmask_c(dst_8, dst_stride,
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src0_8, src0_stride,
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src1_8, src1_stride,
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mask, h, w, bd);
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} else {
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uint16_t *const dst = CONVERT_TO_SHORTPTR(dst_8);
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const uint16_t *const src0 = CONVERT_TO_SHORTPTR(src0_8);
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const uint16_t *const src1 = CONVERT_TO_SHORTPTR(src1_8);
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blend[bd == 12][(w >> 2) & 1](dst, dst_stride,
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src0, src0_stride,
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src1, src1_stride,
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mask, h, w);
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}
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}
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#endif // CONFIG_VPX_HIGHBITDEPTH
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