1 /*
2 * Copyright (c) 2015 Parag Salasakar (parag.salasakar@imgtec.com)
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #include "libavutil/mips/generic_macros_msa.h"
22 #include "blockdsp_mips.h"
23
copy_8bit_value_width8_msa(uint8_t * src,uint8_t val,int32_t src_stride,int32_t height)24 static void copy_8bit_value_width8_msa(uint8_t *src, uint8_t val,
25 int32_t src_stride, int32_t height)
26 {
27 int32_t cnt;
28 uint64_t dst0;
29 v16u8 val0;
30
31 val0 = (v16u8) __msa_fill_b(val);
32 dst0 = __msa_copy_u_d((v2i64) val0, 0);
33
34 for (cnt = (height >> 2); cnt--;) {
35 SD4(dst0, dst0, dst0, dst0, src, src_stride);
36 src += (4 * src_stride);
37 }
38 }
39
copy_8bit_value_width16_msa(uint8_t * src,uint8_t val,int32_t src_stride,int32_t height)40 static void copy_8bit_value_width16_msa(uint8_t *src, uint8_t val,
41 int32_t src_stride, int32_t height)
42 {
43 int32_t cnt;
44 v16u8 val0;
45
46 val0 = (v16u8) __msa_fill_b(val);
47
48 for (cnt = (height >> 3); cnt--;) {
49 ST_UB8(val0, val0, val0, val0, val0, val0, val0, val0, src, src_stride);
50 src += (8 * src_stride);
51 }
52 }
53
memset_zero_16width_msa(uint8_t * src,int32_t stride,int32_t height)54 static void memset_zero_16width_msa(uint8_t *src, int32_t stride,
55 int32_t height)
56 {
57 int8_t cnt;
58 v16u8 zero = { 0 };
59
60 for (cnt = (height / 2); cnt--;) {
61 ST_UB(zero, src);
62 src += stride;
63 ST_UB(zero, src);
64 src += stride;
65 }
66 }
67
ff_fill_block16_msa(uint8_t * src,uint8_t val,ptrdiff_t stride,int height)68 void ff_fill_block16_msa(uint8_t *src, uint8_t val, ptrdiff_t stride, int height)
69 {
70 copy_8bit_value_width16_msa(src, val, stride, height);
71 }
72
ff_fill_block8_msa(uint8_t * src,uint8_t val,ptrdiff_t stride,int height)73 void ff_fill_block8_msa(uint8_t *src, uint8_t val, ptrdiff_t stride, int height)
74 {
75 copy_8bit_value_width8_msa(src, val, stride, height);
76 }
77
ff_clear_block_msa(int16_t * block)78 void ff_clear_block_msa(int16_t *block)
79 {
80 memset_zero_16width_msa((uint8_t *) block, 16, 8);
81 }
82
ff_clear_blocks_msa(int16_t * block)83 void ff_clear_blocks_msa(int16_t *block)
84 {
85 memset_zero_16width_msa((uint8_t *) block, 16, 8 * 6);
86 }
87