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Issue 1396253004: fix for yuv to rgb on arm64. (Closed) Base URL: https://chromium.googlesource.com/libyuv/libyuv@master
Patch Set: lint fixes for indent Created 5 years, 2 months ago
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1 /* 1 /*
2 * Copyright 2014 The LibYuv Project Authors. All rights reserved. 2 * Copyright 2014 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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89 "orr v0.8b, v3.8b, v3.8b \n" \ 89 "orr v0.8b, v3.8b, v3.8b \n" \
90 "uzp1 v1.8b, v2.8b, v2.8b \n" \ 90 "uzp1 v1.8b, v2.8b, v2.8b \n" \
91 "uzp2 v3.8b, v2.8b, v2.8b \n" \ 91 "uzp2 v3.8b, v2.8b, v2.8b \n" \
92 "ins v1.s[1], v3.s[0] \n" 92 "ins v1.s[1], v3.s[0] \n"
93 93
94 #define YUVTORGB_SETUP \ 94 #define YUVTORGB_SETUP \
95 "ld1r {v24.8h}, [%[kUVBiasBGR]], #2 \n" \ 95 "ld1r {v24.8h}, [%[kUVBiasBGR]], #2 \n" \
96 "ld1r {v25.8h}, [%[kUVBiasBGR]], #2 \n" \ 96 "ld1r {v25.8h}, [%[kUVBiasBGR]], #2 \n" \
97 "ld1r {v26.8h}, [%[kUVBiasBGR]] \n" \ 97 "ld1r {v26.8h}, [%[kUVBiasBGR]] \n" \
98 "ld1r {v31.4s}, [%[kYToRgb]] \n" \ 98 "ld1r {v31.4s}, [%[kYToRgb]] \n" \
99 "ld1 {v27.8h, v28.8h}, [%[kUVToRB]] \n" \ 99 "ld2 {v27.8h, v28.8h}, [%[kUVToRB]] \n" \
100 "ld1 {v29.8h, v30.8h}, [%[kUVToG]] \n" 100 "ld2 {v29.8h, v30.8h}, [%[kUVToG]] \n"
101 101
102 #define YUVTORGB(vR, vG, vB) \ 102 #define YUVTORGB(vR, vG, vB) \
103 "uxtl v0.8h, v0.8b \n" /* Extract Y */ \ 103 "uxtl v0.8h, v0.8b \n" /* Extract Y */ \
104 "shll v2.8h, v1.8b, #8 \n" /* Replicate UV */ \ 104 "shll v2.8h, v1.8b, #8 \n" /* Replicate UV */ \
105 "ushll2 v3.4s, v0.8h, #0 \n" /* Y */ \ 105 "ushll2 v3.4s, v0.8h, #0 \n" /* Y */ \
106 "ushll v0.4s, v0.4h, #0 \n" \ 106 "ushll v0.4s, v0.4h, #0 \n" \
107 "mul v3.4s, v3.4s, v31.4s \n" \ 107 "mul v3.4s, v3.4s, v31.4s \n" \
108 "mul v0.4s, v0.4s, v31.4s \n" \ 108 "mul v0.4s, v0.4s, v31.4s \n" \
109 "sqshrun v0.4h, v0.4s, #16 \n" \ 109 "sqshrun v0.4h, v0.4s, #16 \n" \
110 "sqshrun2 v0.8h, v3.4s, #16 \n" /* Y */ \ 110 "sqshrun2 v0.8h, v3.4s, #16 \n" /* Y */ \
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3072 : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List 3072 : "cc", "memory", "v0", "v1", "v2", "v3" // Clobber List
3073 ); 3073 );
3074 } 3074 }
3075 #endif // HAS_SOBELYROW_NEON 3075 #endif // HAS_SOBELYROW_NEON
3076 #endif // !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__) 3076 #endif // !defined(LIBYUV_DISABLE_NEON) && defined(__aarch64__)
3077 3077
3078 #ifdef __cplusplus 3078 #ifdef __cplusplus
3079 } // extern "C" 3079 } // extern "C"
3080 } // namespace libyuv 3080 } // namespace libyuv
3081 #endif 3081 #endif
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