src/gallium/drivers/llvmpipe/lp_tile_shuffle_mask.py

   1
   2 tile =  [[0,1,4,5],
   3          [2,3,6,7],
   4          [8,9,12,13],
   5          [10,11,14,15]]
   6 shift = 0
   7 align = 1
   8 value = 0L
   9 holder = []
  10
  11 import sys
  12
  13 basemask = [0x
  14 fd = sys.stdout
  15 indent = " "*9
  16 for c in range(4):
  17    fd.write(indent + "*pdst++ = \n");
  18    for l,line in enumerate(tile):
  19         fd.write(indent + "   %s_mm_shuffle_epi8(line%d, (__m128i){"%(l and '+' or ' ',l))
  20         for i,pos in enumerate(line):
  21             mask = 0x00ffffffff & (~(0xffL << shift))
  22             value = mask | ((pos) << shift)
  23             holder.append(value)
  24             if holder and (i + 1) %2 == 0:
  25                 fd.write("0x%8.0x"%(holder[0] + (holder[1] << 32)))
  26                 holder = []
  27                 if (i) %4 == 1:
  28                         fd.write( ',')
  29
  30         fd.write("})%s\n"%((l == 3) and ';' or ''))
  31    print
  32    shift += 8