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Issue 2378753004: Add MSA optimized I422ToYUY2Row, I422ToUYVYRow functions (Closed)
Patch Set: Updated as per review comments Created 4 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2016 The LibYuv Project Authors. All rights reserved. 2 * Copyright 2016 The LibYuv Project Authors. All rights reserved.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license 4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source 5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found 6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may 7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree. 8 * be found in the AUTHORS file in the root of the source tree.
9 */ 9 */
10 10
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46 for (x = 0; x < width; x += 16) { 46 for (x = 0; x < width; x += 16) {
47 LD_UB4(src, 16, src3, src2, src1, src0); 47 LD_UB4(src, 16, src3, src2, src1, src0);
48 VSHF_B2_UB(src3, src3, src2, src2, shuffler, shuffler, dst3, dst2); 48 VSHF_B2_UB(src3, src3, src2, src2, shuffler, shuffler, dst3, dst2);
49 VSHF_B2_UB(src1, src1, src0, src0, shuffler, shuffler, dst1, dst0); 49 VSHF_B2_UB(src1, src1, src0, src0, shuffler, shuffler, dst1, dst0);
50 ST_UB4(dst0, dst1, dst2, dst3, dst, 16); 50 ST_UB4(dst0, dst1, dst2, dst3, dst, 16);
51 dst += 64; 51 dst += 64;
52 src -= 64; 52 src -= 64;
53 } 53 }
54 } 54 }
55 55
56 void I422ToYUY2Row_MSA(const uint8* src_y,
57 const uint8* src_u,
58 const uint8* src_v,
59 uint8* dst_yuy2,
60 int width) {
61 int x;
62 v16u8 src_u0, src_v0, src_y0, src_y1, vec_uv0, vec_uv1;
63 v16u8 dst_yuy2_0, dst_yuy2_1, dst_yuy2_2, dst_yuy2_3;
64
65 for (x = 0; x < width; x += 32) {
66 src_u0 = LD_UB(src_u);
67 src_v0 = LD_UB(src_v);
68 LD_UB2(src_y, 16, src_y0, src_y1);
69 ILVRL_B2_UB(src_v0, src_u0, vec_uv0, vec_uv1);
70 ILVRL_B2_UB(vec_uv0, src_y0, dst_yuy2_0, dst_yuy2_1);
71 ILVRL_B2_UB(vec_uv1, src_y1, dst_yuy2_2, dst_yuy2_3);
72 ST_UB4(dst_yuy2_0, dst_yuy2_1, dst_yuy2_2, dst_yuy2_3, dst_yuy2, 16);
73 src_u += 16;
74 src_v += 16;
75 src_y += 32;
76 dst_yuy2 += 64;
77 }
78 }
79
80 void I422ToUYVYRow_MSA(const uint8* src_y,
81 const uint8* src_u,
82 const uint8* src_v,
83 uint8* dst_uyvy,
84 int width) {
85 int x;
86 v16u8 src_u0, src_v0, src_y0, src_y1, vec_uv0, vec_uv1;
87 v16u8 dst_uyvy0, dst_uyvy1, dst_uyvy2, dst_uyvy3;
88
89 for (x = 0; x < width; x += 32) {
90 src_u0 = LD_UB(src_u);
91 src_v0 = LD_UB(src_v);
92 LD_UB2(src_y, 16, src_y0, src_y1);
93 ILVRL_B2_UB(src_v0, src_u0, vec_uv0, vec_uv1);
94 ILVRL_B2_UB(src_y0, vec_uv0, dst_uyvy0, dst_uyvy1);
95 ILVRL_B2_UB(src_y1, vec_uv1, dst_uyvy2, dst_uyvy3);
96 ST_UB4(dst_uyvy0, dst_uyvy1, dst_uyvy2, dst_uyvy3, dst_uyvy, 16);
97 src_u += 16;
98 src_v += 16;
99 src_y += 32;
100 dst_uyvy += 64;
101 }
102 }
103
56 #ifdef __cplusplus 104 #ifdef __cplusplus
57 } // extern "C" 105 } // extern "C"
58 } // namespace libyuv 106 } // namespace libyuv
59 #endif 107 #endif
60 108
61 #endif // !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) 109 #endif // !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa)
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