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Issue 1413573010: refactor I420ToABGR to use I420ToARGBRow (Closed) Base URL: https://chromium.googlesource.com/libyuv/libyuv@master
Patch Set: Created 5 years, 1 month ago
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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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708 [width] "+r" (width), 708 [width] "+r" (width),
709 [rgb_buf] "+r" (rgb_buf) 709 [rgb_buf] "+r" (rgb_buf)
710 : 710 :
711 : "t0", "t1", "t2", "t3", "t4", "t5", 711 : "t0", "t1", "t2", "t3", "t4", "t5",
712 "t6", "t7", "t8", "t9", 712 "t6", "t7", "t8", "t9",
713 "s0", "s1", "s2", "s3", 713 "s0", "s1", "s2", "s3",
714 "s4", "s5", "s6" 714 "s4", "s5", "s6"
715 ); 715 );
716 } 716 }
717 717
718 void I422ToABGRRow_MIPS_DSPR2(const uint8* y_buf,
719 const uint8* u_buf,
720 const uint8* v_buf,
721 uint8* rgb_buf,
722 const struct YuvConstants* yuvconstants,
723 int width) {
724 __asm__ __volatile__ (
725 ".set push \n"
726 ".set noreorder \n"
727 "beqz %[width], 2f \n"
728 " repl.ph $s0, 74 \n" // |YG|YG| = |74|74|
729 "repl.ph $s1, -25 \n" // |UG|UG| = |-25|-25|
730 "repl.ph $s2, -52 \n" // |VG|VG| = |-52|-52|
731 "repl.ph $s3, 102 \n" // |VR|VR| = |102|102|
732 "repl.ph $s4, 16 \n" // |0|16|0|16|
733 "repl.ph $s5, 128 \n" // |128|128|
734 "lui $s6, 0xff00 \n"
735 "ori $s6, 0xff00 \n" // |ff|00|ff|00|
736
737 "1: \n"
738 YUVTORGB
739 // Arranging into abgr format
740 "precr.qb.ph $t0, $t8, $t1 \n" // |G1|g1|R1|r1|
741 "precr.qb.ph $t3, $t9, $t2 \n" // |G0|g0|R0|r0|
742 "precrq.qb.ph $t8, $t0, $t3 \n" // |G1|R1|G0|R0|
743 "precr.qb.ph $t9, $t0, $t3 \n" // |g1|r1|g0|r0|
744
745 "precr.qb.ph $t2, $t4, $t5 \n" // |B1|b1|B0|b0|
746 "addiu %[width], -4 \n"
747 "addiu %[y_buf], 4 \n"
748 "preceu.ph.qbla $t1, $t2 \n" // |0 |B1|0 |B0|
749 "preceu.ph.qbra $t2, $t2 \n" // |0 |b1|0 |b0|
750 "or $t1, $t1, $s6 \n" // |ff|B1|ff|B0|
751 "or $t2, $t2, $s6 \n" // |ff|b1|ff|b0|
752 "precrq.ph.w $t0, $t2, $t9 \n" // |ff|b1|g1|r1|
753 "precrq.ph.w $t3, $t1, $t8 \n" // |ff|B1|G1|R1|
754 "sll $t9, $t9, 16 \n"
755 "sll $t8, $t8, 16 \n"
756 "packrl.ph $t2, $t2, $t9 \n" // |ff|b0|g0|r0|
757 "packrl.ph $t1, $t1, $t8 \n" // |ff|B0|G0|R0|
758 // Store results.
759 "sw $t2, 0(%[rgb_buf]) \n"
760 "sw $t0, 4(%[rgb_buf]) \n"
761 "sw $t1, 8(%[rgb_buf]) \n"
762 "sw $t3, 12(%[rgb_buf]) \n"
763 "bnez %[width], 1b \n"
764 " addiu %[rgb_buf], 16 \n"
765 "2: \n"
766 ".set pop \n"
767 :[y_buf] "+r" (y_buf),
768 [u_buf] "+r" (u_buf),
769 [v_buf] "+r" (v_buf),
770 [width] "+r" (width),
771 [rgb_buf] "+r" (rgb_buf)
772 :
773 : "t0", "t1", "t2", "t3", "t4", "t5",
774 "t6", "t7", "t8", "t9",
775 "s0", "s1", "s2", "s3",
776 "s4", "s5", "s6"
777 );
778 }
779
780 void I422ToBGRARow_MIPS_DSPR2(const uint8* y_buf, 718 void I422ToBGRARow_MIPS_DSPR2(const uint8* y_buf,
781 const uint8* u_buf, 719 const uint8* u_buf,
782 const uint8* v_buf, 720 const uint8* v_buf,
783 uint8* rgb_buf, 721 uint8* rgb_buf,
784 const struct YuvConstants* yuvconstants, 722 const struct YuvConstants* yuvconstants,
785 int width) { 723 int width) {
786 __asm__ __volatile__ ( 724 __asm__ __volatile__ (
787 ".set push \n" 725 ".set push \n"
788 ".set noreorder \n" 726 ".set noreorder \n"
789 "beqz %[width], 2f \n" 727 "beqz %[width], 2f \n"
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899 ); 837 );
900 } 838 }
901 #endif // __mips_dsp_rev >= 2 839 #endif // __mips_dsp_rev >= 2
902 840
903 #endif // defined(__mips__) 841 #endif // defined(__mips__)
904 842
905 #ifdef __cplusplus 843 #ifdef __cplusplus
906 } // extern "C" 844 } // extern "C"
907 } // namespace libyuv 845 } // namespace libyuv
908 #endif 846 #endif
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