* fill a rectangle. * @param h height of the rectangle, should be a constant * @param w width of the rectangle, should be a constant * @param size the size of val (1, 2 or 4), should be a constant */
| 40 | * @param size the size of val (1, 2 or 4), should be a constant |
| 41 | */ |
| 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; |
| 44 | assert(size==1 || size==2 || size==4); |
| 45 | assert(w<=4); |
| 46 | |
| 47 | w *= size; |
| 48 | stride *= size; |
| 49 | |
| 50 | assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0); |
| 51 | assert((stride&(w-1))==0); |
| 52 | if(w==2){ |
| 53 | const uint16_t v= size==4 ? val : val*0x0101; |
| 54 | *(uint16_t*)(p + 0*stride)= v; |
| 55 | if(h==1) return; |
| 56 | *(uint16_t*)(p + 1*stride)= v; |
| 57 | if(h==2) return; |
| 58 | *(uint16_t*)(p + 2*stride)= v; |
| 59 | *(uint16_t*)(p + 3*stride)= v; |
| 60 | }else if(w==4){ |
| 61 | const uint32_t v= size==4 ? val : size==2 ? val*0x00010001 : val*0x01010101; |
| 62 | *(uint32_t*)(p + 0*stride)= v; |
| 63 | if(h==1) return; |
| 64 | *(uint32_t*)(p + 1*stride)= v; |
| 65 | if(h==2) return; |
| 66 | *(uint32_t*)(p + 2*stride)= v; |
| 67 | *(uint32_t*)(p + 3*stride)= v; |
| 68 | }else if(w==8){ |
| 69 | //gcc can't optimize 64bit math on x86_32 |
| 70 | #if HAVE_FAST_64BIT |
| 71 | const uint64_t v= size==2 ? val*0x0001000100010001ULL : val*0x0100000001ULL; |
| 72 | *(uint64_t*)(p + 0*stride)= v; |
| 73 | if(h==1) return; |
| 74 | *(uint64_t*)(p + 1*stride)= v; |
| 75 | if(h==2) return; |
| 76 | *(uint64_t*)(p + 2*stride)= v; |
| 77 | *(uint64_t*)(p + 3*stride)= v; |
| 78 | }else if(w==16){ |
| 79 | const uint64_t v= val*0x0100000001ULL; |
| 80 | *(uint64_t*)(p + 0+0*stride)= v; |
| 81 | *(uint64_t*)(p + 8+0*stride)= v; |
| 82 | *(uint64_t*)(p + 0+1*stride)= v; |
| 83 | *(uint64_t*)(p + 8+1*stride)= v; |
| 84 | if(h==2) return; |
| 85 | *(uint64_t*)(p + 0+2*stride)= v; |
| 86 | *(uint64_t*)(p + 8+2*stride)= v; |
| 87 | *(uint64_t*)(p + 0+3*stride)= v; |
| 88 | *(uint64_t*)(p + 8+3*stride)= v; |
| 89 | #else |
| 90 | const uint32_t v= size==2 ? val*0x00010001 : val; |
| 91 | *(uint32_t*)(p + 0+0*stride)= v; |
| 92 | *(uint32_t*)(p + 4+0*stride)= v; |
| 93 | if(h==1) return; |
| 94 | *(uint32_t*)(p + 0+1*stride)= v; |
| 95 | *(uint32_t*)(p + 4+1*stride)= v; |
| 96 | if(h==2) return; |
| 97 | *(uint32_t*)(p + 0+2*stride)= v; |
| 98 | *(uint32_t*)(p + 4+2*stride)= v; |
| 99 | *(uint32_t*)(p + 0+3*stride)= v; |
no outgoing calls
no test coverage detected