02fa245d15
Remove unused zbin variable: warning: unused parameter ‘zbin’ Use int for loop variables to avoid unsigned conversion: warning: comparison between signed and unsigned integer expressions Change-Id: Icea74b870c0ee68a8bf687e796a69392af25a8ad
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
/*
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* Copyright (c) 2015 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 <stdlib.h>
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#include "./macros_msa.h"
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void vpx_plane_add_noise_msa(uint8_t *start_ptr, const int8_t *noise,
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int blackclamp, int whiteclamp, int width,
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int height, int32_t pitch) {
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int i, j;
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for (i = 0; i < height / 2; ++i) {
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uint8_t *pos0_ptr = start_ptr + (2 * i) * pitch;
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const int8_t *ref0_ptr = noise + (rand() & 0xff);
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uint8_t *pos1_ptr = start_ptr + (2 * i + 1) * pitch;
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const int8_t *ref1_ptr = noise + (rand() & 0xff);
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for (j = width / 16; j--;) {
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v16i8 temp00_s, temp01_s;
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v16u8 temp00, temp01, black_clamp, white_clamp;
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v16u8 pos0, ref0, pos1, ref1;
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v16i8 const127 = __msa_ldi_b(127);
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pos0 = LD_UB(pos0_ptr);
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ref0 = LD_UB(ref0_ptr);
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pos1 = LD_UB(pos1_ptr);
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ref1 = LD_UB(ref1_ptr);
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black_clamp = (v16u8)__msa_fill_b(blackclamp);
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white_clamp = (v16u8)__msa_fill_b(whiteclamp);
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temp00 = (pos0 < black_clamp);
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pos0 = __msa_bmnz_v(pos0, black_clamp, temp00);
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temp01 = (pos1 < black_clamp);
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pos1 = __msa_bmnz_v(pos1, black_clamp, temp01);
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XORI_B2_128_UB(pos0, pos1);
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temp00_s = __msa_adds_s_b((v16i8)white_clamp, const127);
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temp00 = (v16u8)(temp00_s < pos0);
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pos0 = (v16u8)__msa_bmnz_v((v16u8)pos0, (v16u8)temp00_s, temp00);
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temp01_s = __msa_adds_s_b((v16i8)white_clamp, const127);
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temp01 = (temp01_s < pos1);
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pos1 = (v16u8)__msa_bmnz_v((v16u8)pos1, (v16u8)temp01_s, temp01);
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XORI_B2_128_UB(pos0, pos1);
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pos0 += ref0;
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ST_UB(pos0, pos0_ptr);
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pos1 += ref1;
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ST_UB(pos1, pos1_ptr);
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pos0_ptr += 16;
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pos1_ptr += 16;
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ref0_ptr += 16;
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ref1_ptr += 16;
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}
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}
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}
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