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1 /* | 1 /* |
2 * rectangle filling function | 2 * rectangle filling function |
3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> | 3 * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
4 * | 4 * |
5 * This file is part of FFmpeg. | 5 * This file is part of FFmpeg. |
6 * | 6 * |
7 * FFmpeg is free software; you can redistribute it and/or | 7 * FFmpeg is free software; you can redistribute it and/or |
8 * modify it under the terms of the GNU Lesser General Public | 8 * modify it under the terms of the GNU Lesser General Public |
9 * License as published by the Free Software Foundation; either | 9 * License as published by the Free Software Foundation; either |
10 * version 2.1 of the License, or (at your option) any later version. | 10 * version 2.1 of the License, or (at your option) any later version. |
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30 | 30 |
31 #include <assert.h> | 31 #include <assert.h> |
32 #include "config.h" | 32 #include "config.h" |
33 #include "libavutil/common.h" | 33 #include "libavutil/common.h" |
34 #include "dsputil.h" | 34 #include "dsputil.h" |
35 | 35 |
36 /** | 36 /** |
37 * fill a rectangle. | 37 * fill a rectangle. |
38 * @param h height of the rectangle, should be a constant | 38 * @param h height of the rectangle, should be a constant |
39 * @param w width of the rectangle, should be a constant | 39 * @param w width of the rectangle, should be a constant |
40 * @param size the size of val (1 or 4), should be a constant | 40 * @param size the size of val (1, 2 or 4), should be a constant |
41 */ | 41 */ |
42 static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride,
uint32_t val, int size){ | 42 static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride,
uint32_t val, int size){ |
43 uint8_t *p= (uint8_t*)vp; | 43 uint8_t *p= (uint8_t*)vp; |
44 assert(size==1 || size==4); | 44 assert(size==1 || size==2 || size==4); |
45 assert(w<=4); | 45 assert(w<=4); |
46 | 46 |
47 w *= size; | 47 w *= size; |
48 stride *= size; | 48 stride *= size; |
49 | 49 |
50 assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0); | 50 assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0); |
51 assert((stride&(w-1))==0); | 51 assert((stride&(w-1))==0); |
52 if(w==2){ | 52 if(w==2){ |
53 const uint16_t v= size==4 ? val : val*0x0101; | 53 const uint16_t v= size==4 ? val : val*0x0101; |
54 *(uint16_t*)(p + 0*stride)= v; | 54 *(uint16_t*)(p + 0*stride)= v; |
55 if(h==1) return; | 55 if(h==1) return; |
56 *(uint16_t*)(p + 1*stride)= v; | 56 *(uint16_t*)(p + 1*stride)= v; |
57 if(h==2) return; | 57 if(h==2) return; |
58 *(uint16_t*)(p + 2*stride)= v; | 58 *(uint16_t*)(p + 2*stride)= v; |
59 *(uint16_t*)(p + 3*stride)= v; | 59 *(uint16_t*)(p + 3*stride)= v; |
60 }else if(w==4){ | 60 }else if(w==4){ |
61 const uint32_t v= size==4 ? val : val*0x01010101; | 61 const uint32_t v= size==4 ? val : size==2 ? val*0x00010001 : val*0x01010
101; |
62 *(uint32_t*)(p + 0*stride)= v; | 62 *(uint32_t*)(p + 0*stride)= v; |
63 if(h==1) return; | 63 if(h==1) return; |
64 *(uint32_t*)(p + 1*stride)= v; | 64 *(uint32_t*)(p + 1*stride)= v; |
65 if(h==2) return; | 65 if(h==2) return; |
66 *(uint32_t*)(p + 2*stride)= v; | 66 *(uint32_t*)(p + 2*stride)= v; |
67 *(uint32_t*)(p + 3*stride)= v; | 67 *(uint32_t*)(p + 3*stride)= v; |
68 }else if(w==8){ | 68 }else if(w==8){ |
69 //gcc can't optimize 64bit math on x86_32 | 69 //gcc can't optimize 64bit math on x86_32 |
70 #if HAVE_FAST_64BIT | 70 #if HAVE_FAST_64BIT |
71 const uint64_t v= val*0x0100000001ULL; | 71 const uint64_t v= size==2 ? val*0x0001000100010001ULL : val*0x010000000
1ULL; |
72 *(uint64_t*)(p + 0*stride)= v; | 72 *(uint64_t*)(p + 0*stride)= v; |
73 if(h==1) return; | 73 if(h==1) return; |
74 *(uint64_t*)(p + 1*stride)= v; | 74 *(uint64_t*)(p + 1*stride)= v; |
75 if(h==2) return; | 75 if(h==2) return; |
76 *(uint64_t*)(p + 2*stride)= v; | 76 *(uint64_t*)(p + 2*stride)= v; |
77 *(uint64_t*)(p + 3*stride)= v; | 77 *(uint64_t*)(p + 3*stride)= v; |
78 }else if(w==16){ | 78 }else if(w==16){ |
79 const uint64_t v= val*0x0100000001ULL; | 79 const uint64_t v= val*0x0100000001ULL; |
80 *(uint64_t*)(p + 0+0*stride)= v; | 80 *(uint64_t*)(p + 0+0*stride)= v; |
81 *(uint64_t*)(p + 8+0*stride)= v; | 81 *(uint64_t*)(p + 8+0*stride)= v; |
82 *(uint64_t*)(p + 0+1*stride)= v; | 82 *(uint64_t*)(p + 0+1*stride)= v; |
83 *(uint64_t*)(p + 8+1*stride)= v; | 83 *(uint64_t*)(p + 8+1*stride)= v; |
84 if(h==2) return; | 84 if(h==2) return; |
85 *(uint64_t*)(p + 0+2*stride)= v; | 85 *(uint64_t*)(p + 0+2*stride)= v; |
86 *(uint64_t*)(p + 8+2*stride)= v; | 86 *(uint64_t*)(p + 8+2*stride)= v; |
87 *(uint64_t*)(p + 0+3*stride)= v; | 87 *(uint64_t*)(p + 0+3*stride)= v; |
88 *(uint64_t*)(p + 8+3*stride)= v; | 88 *(uint64_t*)(p + 8+3*stride)= v; |
89 #else | 89 #else |
90 *(uint32_t*)(p + 0+0*stride)= val; | 90 const uint32_t v= size==2 ? val*0x00010001 : val; |
91 *(uint32_t*)(p + 4+0*stride)= val; | 91 *(uint32_t*)(p + 0+0*stride)= v; |
| 92 *(uint32_t*)(p + 4+0*stride)= v; |
92 if(h==1) return; | 93 if(h==1) return; |
93 *(uint32_t*)(p + 0+1*stride)= val; | 94 *(uint32_t*)(p + 0+1*stride)= v; |
94 *(uint32_t*)(p + 4+1*stride)= val; | 95 *(uint32_t*)(p + 4+1*stride)= v; |
95 if(h==2) return; | 96 if(h==2) return; |
96 *(uint32_t*)(p + 0+2*stride)= val; | 97 *(uint32_t*)(p + 0+2*stride)= v; |
97 *(uint32_t*)(p + 4+2*stride)= val; | 98 *(uint32_t*)(p + 4+2*stride)= v; |
98 *(uint32_t*)(p + 0+3*stride)= val; | 99 *(uint32_t*)(p + 0+3*stride)= v; |
99 *(uint32_t*)(p + 4+3*stride)= val; | 100 *(uint32_t*)(p + 4+3*stride)= v; |
100 }else if(w==16){ | 101 }else if(w==16){ |
101 *(uint32_t*)(p + 0+0*stride)= val; | 102 *(uint32_t*)(p + 0+0*stride)= val; |
102 *(uint32_t*)(p + 4+0*stride)= val; | 103 *(uint32_t*)(p + 4+0*stride)= val; |
103 *(uint32_t*)(p + 8+0*stride)= val; | 104 *(uint32_t*)(p + 8+0*stride)= val; |
104 *(uint32_t*)(p +12+0*stride)= val; | 105 *(uint32_t*)(p +12+0*stride)= val; |
105 *(uint32_t*)(p + 0+1*stride)= val; | 106 *(uint32_t*)(p + 0+1*stride)= val; |
106 *(uint32_t*)(p + 4+1*stride)= val; | 107 *(uint32_t*)(p + 4+1*stride)= val; |
107 *(uint32_t*)(p + 8+1*stride)= val; | 108 *(uint32_t*)(p + 8+1*stride)= val; |
108 *(uint32_t*)(p +12+1*stride)= val; | 109 *(uint32_t*)(p +12+1*stride)= val; |
109 if(h==2) return; | 110 if(h==2) return; |
110 *(uint32_t*)(p + 0+2*stride)= val; | 111 *(uint32_t*)(p + 0+2*stride)= val; |
111 *(uint32_t*)(p + 4+2*stride)= val; | 112 *(uint32_t*)(p + 4+2*stride)= val; |
112 *(uint32_t*)(p + 8+2*stride)= val; | 113 *(uint32_t*)(p + 8+2*stride)= val; |
113 *(uint32_t*)(p +12+2*stride)= val; | 114 *(uint32_t*)(p +12+2*stride)= val; |
114 *(uint32_t*)(p + 0+3*stride)= val; | 115 *(uint32_t*)(p + 0+3*stride)= val; |
115 *(uint32_t*)(p + 4+3*stride)= val; | 116 *(uint32_t*)(p + 4+3*stride)= val; |
116 *(uint32_t*)(p + 8+3*stride)= val; | 117 *(uint32_t*)(p + 8+3*stride)= val; |
117 *(uint32_t*)(p +12+3*stride)= val; | 118 *(uint32_t*)(p +12+3*stride)= val; |
118 #endif | 119 #endif |
119 }else | 120 }else |
120 assert(0); | 121 assert(0); |
121 assert(h==4); | 122 assert(h==4); |
122 } | 123 } |
123 | 124 |
124 #endif /* AVCODEC_RECTANGLE_H */ | 125 #endif /* AVCODEC_RECTANGLE_H */ |
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