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| 1 /* |
| 2 * Copyright 2016 The LibYuv Project Authors. All rights reserved. |
| 3 * |
| 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 |
| 6 * tree. An additional intellectual property rights grant can be found |
| 7 * in the file PATENTS. All contributing project authors may |
| 8 * be found in the AUTHORS file in the root of the source tree. |
| 9 */ |
| 10 |
| 11 #include "libyuv/row.h" |
| 12 |
| 13 #if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) |
| 14 #include "libyuv/macros_msa.h" |
| 15 #endif |
| 16 |
| 17 #ifdef __cplusplus |
| 18 namespace libyuv { |
| 19 extern "C" { |
| 20 #endif |
| 21 |
| 22 #if !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) |
| 23 void MirrorRow_MSA(const uint8* src, uint8* dst, int width) { |
| 24 int count; |
| 25 v16u8 src0, src1, src2, src3; |
| 26 v16u8 dst0, dst1, dst2, dst3; |
| 27 v16i8 mask = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }; |
| 28 |
| 29 src += width - 64; |
| 30 |
| 31 for (count = 0; count < width; count += 64) { |
| 32 LD_UB4(src, 16, src3, src2, src1, src0); |
| 33 VSHF_B2_UB(src3, src3, src2, src2, mask, mask, dst3, dst2); |
| 34 VSHF_B2_UB(src1, src1, src0, src0, mask, mask, dst1, dst0); |
| 35 ST_UB4(dst0, dst1, dst2, dst3, dst, 16); |
| 36 dst += 64; |
| 37 src -= 64; |
| 38 } |
| 39 } |
| 40 #endif // !defined(LIBYUV_DISABLE_MSA) && defined(__mips_msa) |
| 41 |
| 42 #ifdef __cplusplus |
| 43 } // extern "C" |
| 44 } // namespace libyuv |
| 45 #endif |
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