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1 /* | 1 /* |
2 * Copyright (c) 2012 The LibYuv project authors. All Rights Reserved. | 2 * Copyright (c) 2012 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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491 "3: \n" | 491 "3: \n" |
492 ".set pop \n" | 492 ".set pop \n" |
493 : [src] "+r" (src), [dst] "+r" (dst) | 493 : [src] "+r" (src), [dst] "+r" (dst) |
494 : [width] "r" (width) | 494 : [width] "r" (width) |
495 : "t0", "t1", "t2", "t3", "t4", "t5" | 495 : "t0", "t1", "t2", "t3", "t4", "t5" |
496 ); | 496 ); |
497 } | 497 } |
498 | 498 |
499 void MirrorUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, | 499 void MirrorUVRow_DSPR2(const uint8* src_uv, uint8* dst_u, uint8* dst_v, |
500 int width) { | 500 int width) { |
501 int x = 0; | 501 int x; |
502 int y = 0; | 502 int y; |
503 __asm__ __volatile__ ( | 503 __asm__ __volatile__ ( |
504 ".set push \n" | 504 ".set push \n" |
505 ".set noreorder \n" | 505 ".set noreorder \n" |
506 | 506 |
507 "addu $t4, %[width], %[width] \n" | 507 "addu $t4, %[width], %[width] \n" |
508 "srl %[x], %[width], 4 \n" | 508 "srl %[x], %[width], 4 \n" |
509 "andi %[y], %[width], 0xf \n" | 509 "andi %[y], %[width], 0xf \n" |
510 "blez %[x], 2f \n" | 510 "blez %[x], 2f \n" |
511 " addu %[src_uv], %[src_uv], $t4 \n" | 511 " addu %[src_uv], %[src_uv], $t4 \n" |
512 | 512 |
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572 "addiu %[dst_u], %[dst_u], 1 \n" | 572 "addiu %[dst_u], %[dst_u], 1 \n" |
573 "bgtz %[y], 2b \n" | 573 "bgtz %[y], 2b \n" |
574 " addiu %[dst_v], %[dst_v], 1 \n" | 574 " addiu %[dst_v], %[dst_v], 1 \n" |
575 | 575 |
576 "3: \n" | 576 "3: \n" |
577 ".set pop \n" | 577 ".set pop \n" |
578 : [src_uv] "+r" (src_uv), | 578 : [src_uv] "+r" (src_uv), |
579 [dst_u] "+r" (dst_u), | 579 [dst_u] "+r" (dst_u), |
580 [dst_v] "+r" (dst_v), | 580 [dst_v] "+r" (dst_v), |
581 [x] "=&r" (x), | 581 [x] "=&r" (x), |
582 [y] "+r" (y) | 582 [y] "=&r" (y) |
583 : [width] "r" (width) | 583 : [width] "r" (width) |
584 : "t0", "t1", "t2", "t3", "t4", | 584 : "t0", "t1", "t2", "t3", "t4", |
585 "t5", "t7", "t8", "t9" | 585 "t5", "t7", "t8", "t9" |
586 ); | 586 ); |
587 } | 587 } |
588 | 588 |
589 // Convert (4 Y and 2 VU) I422 and arrange RGB values into | 589 // Convert (4 Y and 2 VU) I422 and arrange RGB values into |
590 // t5 = | 0 | B0 | 0 | b0 | | 590 // t5 = | 0 | B0 | 0 | b0 | |
591 // t4 = | 0 | B1 | 0 | b1 | | 591 // t4 = | 0 | B1 | 0 | b1 | |
592 // t9 = | 0 | G0 | 0 | g0 | | 592 // t9 = | 0 | G0 | 0 | g0 | |
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773 ); | 773 ); |
774 } | 774 } |
775 #endif // __mips_dsp_rev >= 2 | 775 #endif // __mips_dsp_rev >= 2 |
776 | 776 |
777 #endif // defined(__mips__) | 777 #endif // defined(__mips__) |
778 | 778 |
779 #ifdef __cplusplus | 779 #ifdef __cplusplus |
780 } // extern "C" | 780 } // extern "C" |
781 } // namespace libyuv | 781 } // namespace libyuv |
782 #endif | 782 #endif |
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