source/libs/pixman/pixman-src/pixman/pixman-accessor.h

   1 #ifdef PIXMAN_FB_ACCESSORS
   2
   3 #define READ(img, ptr)                                                  \
   4     (((bits_image_t *)(img))->read_func ((ptr), sizeof(*(ptr))))
   5 #define WRITE(img, ptr,val)                                             \
   6     (((bits_image_t *)(img))->write_func ((ptr), (val), sizeof (*(ptr))))
   7
   8 #define MEMSET_WRAPPED(img, dst, val, size)                             \
   9     do {                                                                \
  10         size_t _i;                                                      \
  11         uint8_t *_dst = (uint8_t*)(dst);                                \
  12         for(_i = 0; _i < (size_t) size; _i++) {                         \
  13             WRITE((img), _dst +_i, (val));                              \
  14         }                                                               \
  15     } while (0)
  16
  17 #else
  18
  19 #define READ(img, ptr)          (*(ptr))
  20 #define WRITE(img, ptr, val)    (*(ptr) = (val))
  21 #define MEMSET_WRAPPED(img, dst, val, size)                             \
  22     memset(dst, val, size)
  23
  24 #endif
  25