bin/raw2png.py

   1 #!/usr/bin/env python
   2 ##########################################################################
   3 #
   4 # Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   5 # All Rights Reserved.
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a
   8 # copy of this software and associated documentation files (the
   9 # "Software"), to deal in the Software without restriction, including
  10 # without limitation the rights to use, copy, modify, merge, publish,
  11 # distribute, sub license, and/or sell copies of the Software, and to
  12 # permit persons to whom the Software is furnished to do so, subject to
  13 # the following conditions:
  14 #
  15 # The above copyright notice and this permission notice (including the
  16 # next paragraph) shall be included in all copies or substantial portions
  17 # of the Software.
  18 #
  19 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22 # IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  23 # ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24 # TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25 # SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 #
  27 ##########################################################################
  28
  29
  30 import os.path
  31 import sys
  32 import struct
  33 import Image # http://www.pythonware.com/products/pil/
  34
  35 PIPE_FORMAT_LAYOUT_RGBAZS   = 0
  36 PIPE_FORMAT_LAYOUT_YCBCR    = 1
  37 PIPE_FORMAT_LAYOUT_DXT      = 2
  38
  39 PIPE_FORMAT_COMP_R    = 0
  40 PIPE_FORMAT_COMP_G    = 1
  41 PIPE_FORMAT_COMP_B    = 2
  42 PIPE_FORMAT_COMP_A    = 3
  43 PIPE_FORMAT_COMP_0    = 4
  44 PIPE_FORMAT_COMP_1    = 5
  45 PIPE_FORMAT_COMP_Z    = 6
  46 PIPE_FORMAT_COMP_S    = 7
  47
  48 PIPE_FORMAT_TYPE_UNKNOWN = 0
  49 PIPE_FORMAT_TYPE_FLOAT   = 1
  50 PIPE_FORMAT_TYPE_UNORM   = 2
  51 PIPE_FORMAT_TYPE_SNORM   = 3
  52 PIPE_FORMAT_TYPE_USCALED = 4
  53 PIPE_FORMAT_TYPE_SSCALED = 5
  54 PIPE_FORMAT_TYPE_SRGB    = 6
  55
  56 def _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, EXP8, TYPE ):
  57    return ((PIPE_FORMAT_LAYOUT_RGBAZS << 0) |\
  58    ((SWZ) << 2) |\
  59    ((SIZEX) << 14) |\
  60    ((SIZEY) << 17) |\
  61    ((SIZEZ) << 20) |\
  62    ((SIZEW) << 23) |\
  63    ((EXP8) << 26) |\
  64    ((TYPE) << 28) )
  65
  66 def _PIPE_FORMAT_SWZ( SWZX, SWZY, SWZZ, SWZW ):
  67         return (((SWZX) << 0) | ((SWZY) << 3) | ((SWZZ) << 6) | ((SWZW) << 9))
  68
  69 def _PIPE_FORMAT_RGBAZS_1( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE ):
  70         return _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 0, TYPE )
  71
  72 def _PIPE_FORMAT_RGBAZS_8( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE ):
  73         return _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 1, TYPE )
  74
  75 def _PIPE_FORMAT_RGBAZS_64( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, TYPE ):
  76         return _PIPE_FORMAT_RGBAZS( SWZ, SIZEX, SIZEY, SIZEZ, SIZEW, 2, TYPE )
  77
  78 _PIPE_FORMAT_R001 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_1 )
  79 _PIPE_FORMAT_RG01 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_1 )
  80 _PIPE_FORMAT_RGB1 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_1 )
  81 _PIPE_FORMAT_RGBA = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_A )
  82 _PIPE_FORMAT_ARGB = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_A, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B )
  83 _PIPE_FORMAT_BGRA = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_A )
  84 _PIPE_FORMAT_1RGB = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_1, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_B )
  85 _PIPE_FORMAT_BGR1 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_B, PIPE_FORMAT_COMP_G, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_1 )
  86 _PIPE_FORMAT_0000 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  87 _PIPE_FORMAT_000R = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_R )
  88 _PIPE_FORMAT_RRR1 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_1 )
  89 _PIPE_FORMAT_RRRR = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R )
  90 _PIPE_FORMAT_RRRG = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_R, PIPE_FORMAT_COMP_G )
  91 _PIPE_FORMAT_Z000 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  92 _PIPE_FORMAT_0Z00 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  93 _PIPE_FORMAT_SZ00 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  94 _PIPE_FORMAT_ZS00 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_Z, PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  95 _PIPE_FORMAT_S000 = _PIPE_FORMAT_SWZ( PIPE_FORMAT_COMP_S, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0, PIPE_FORMAT_COMP_0 )
  96
  97 def _PIPE_FORMAT_YCBCR( REV ):
  98    return ((PIPE_FORMAT_LAYOUT_YCBCR << 0) |\
  99    ((REV) << 2) )
 100
 101 def _PIPE_FORMAT_DXT( LEVEL, RSIZE, GSIZE, BSIZE, ASIZE ):
 102    return ((PIPE_FORMAT_LAYOUT_DXT << 0) | \
 103     ((LEVEL) << 2) | \
 104     ((RSIZE) << 5) | \
 105     ((GSIZE) << 8) | \
 106     ((BSIZE) << 11) | \
 107     ((ASIZE) << 14) )
 108
 109 PIPE_FORMAT_NONE                  = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_0000, 0, 0, 0, 0, PIPE_FORMAT_TYPE_UNKNOWN )
 110 PIPE_FORMAT_A8R8G8B8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ARGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 111 PIPE_FORMAT_X8R8G8B8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_1RGB, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 112 PIPE_FORMAT_B8G8R8A8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGRA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 113 PIPE_FORMAT_B8G8R8X8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_BGR1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 114 PIPE_FORMAT_A1R5G5B5_UNORM        = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_ARGB, 1, 5, 5, 5, PIPE_FORMAT_TYPE_UNORM )
 115 PIPE_FORMAT_A4R4G4B4_UNORM        = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_ARGB, 4, 4, 4, 4, PIPE_FORMAT_TYPE_UNORM )
 116 PIPE_FORMAT_R5G6B5_UNORM          = _PIPE_FORMAT_RGBAZS_1 ( _PIPE_FORMAT_RGB1, 5, 6, 5, 0, PIPE_FORMAT_TYPE_UNORM )
 117 PIPE_FORMAT_L8_UNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_UNORM )
 118 PIPE_FORMAT_A8_UNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_000R, 0, 0, 0, 1, PIPE_FORMAT_TYPE_UNORM )
 119 PIPE_FORMAT_I8_UNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRR, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 120 PIPE_FORMAT_A8L8_UNORM            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 121 PIPE_FORMAT_YCBCR                 = _PIPE_FORMAT_YCBCR( 0 )
 122 PIPE_FORMAT_YCBCR_REV             = _PIPE_FORMAT_YCBCR( 1 )
 123 PIPE_FORMAT_Z16_UNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 2, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 124 PIPE_FORMAT_Z32_UNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 4, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 125 PIPE_FORMAT_Z32_FLOAT             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT )
 126 PIPE_FORMAT_S8Z24_UNORM           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_SZ00, 1, 3, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 127 PIPE_FORMAT_Z24S8_UNORM           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_ZS00, 3, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 128 PIPE_FORMAT_X8Z24_UNORM           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_0Z00, 1, 3, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 129 PIPE_FORMAT_Z24X8_UNORM           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_Z000, 3, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 130 PIPE_FORMAT_S8_UNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_S000, 1, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 131 PIPE_FORMAT_R64_FLOAT             = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT )
 132 PIPE_FORMAT_R64G64_FLOAT          = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_FLOAT )
 133 PIPE_FORMAT_R64G64B64_FLOAT       = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_FLOAT )
 134 PIPE_FORMAT_R64G64B64A64_FLOAT    = _PIPE_FORMAT_RGBAZS_64( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_FLOAT )
 135 PIPE_FORMAT_R32_FLOAT             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_FLOAT )
 136 PIPE_FORMAT_R32G32_FLOAT          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_FLOAT )
 137 PIPE_FORMAT_R32G32B32_FLOAT       = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_FLOAT )
 138 PIPE_FORMAT_R32G32B32A32_FLOAT    = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_FLOAT )
 139 PIPE_FORMAT_R32_UNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 140 PIPE_FORMAT_R32G32_UNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 141 PIPE_FORMAT_R32G32B32_UNORM       = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_UNORM )
 142 PIPE_FORMAT_R32G32B32A32_UNORM    = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_UNORM )
 143 PIPE_FORMAT_R32_USCALED           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 144 PIPE_FORMAT_R32G32_USCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 145 PIPE_FORMAT_R32G32B32_USCALED     = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_USCALED )
 146 PIPE_FORMAT_R32G32B32A32_USCALED  = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_USCALED )
 147 PIPE_FORMAT_R32_SNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 148 PIPE_FORMAT_R32G32_SNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 149 PIPE_FORMAT_R32G32B32_SNORM       = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_SNORM )
 150 PIPE_FORMAT_R32G32B32A32_SNORM    = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_SNORM )
 151 PIPE_FORMAT_R32_SSCALED           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 4, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 152 PIPE_FORMAT_R32G32_SSCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 4, 4, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 153 PIPE_FORMAT_R32G32B32_SSCALED     = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 4, 4, 4, 0, PIPE_FORMAT_TYPE_SSCALED )
 154 PIPE_FORMAT_R32G32B32A32_SSCALED  = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 4, 4, 4, 4, PIPE_FORMAT_TYPE_SSCALED )
 155 PIPE_FORMAT_R16_UNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 156 PIPE_FORMAT_R16G16_UNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 157 PIPE_FORMAT_R16G16B16_UNORM       = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_UNORM )
 158 PIPE_FORMAT_R16G16B16A16_UNORM    = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_UNORM )
 159 PIPE_FORMAT_R16_USCALED           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 160 PIPE_FORMAT_R16G16_USCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 161 PIPE_FORMAT_R16G16B16_USCALED     = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_USCALED )
 162 PIPE_FORMAT_R16G16B16A16_USCALED  = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_USCALED )
 163 PIPE_FORMAT_R16_SNORM             = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 164 PIPE_FORMAT_R16G16_SNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 165 PIPE_FORMAT_R16G16B16_SNORM       = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_SNORM )
 166 PIPE_FORMAT_R16G16B16A16_SNORM    = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_SNORM )
 167 PIPE_FORMAT_R16_SSCALED           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 2, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 168 PIPE_FORMAT_R16G16_SSCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 2, 2, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 169 PIPE_FORMAT_R16G16B16_SSCALED     = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 2, 2, 2, 0, PIPE_FORMAT_TYPE_SSCALED )
 170 PIPE_FORMAT_R16G16B16A16_SSCALED  = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 2, 2, 2, 2, PIPE_FORMAT_TYPE_SSCALED )
 171 PIPE_FORMAT_R8_UNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 172 PIPE_FORMAT_R8G8_UNORM            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_UNORM )
 173 PIPE_FORMAT_R8G8B8_UNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_UNORM )
 174 PIPE_FORMAT_R8G8B8A8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 175 PIPE_FORMAT_R8G8B8X8_UNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_UNORM )
 176 PIPE_FORMAT_R8_USCALED            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 177 PIPE_FORMAT_R8G8_USCALED          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_USCALED )
 178 PIPE_FORMAT_R8G8B8_USCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_USCALED )
 179 PIPE_FORMAT_R8G8B8A8_USCALED      = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_USCALED )
 180 PIPE_FORMAT_R8G8B8X8_USCALED      = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_USCALED )
 181 PIPE_FORMAT_R8_SNORM              = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 182 PIPE_FORMAT_R8G8_SNORM            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_SNORM )
 183 PIPE_FORMAT_R8G8B8_SNORM          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SNORM )
 184 PIPE_FORMAT_R8G8B8A8_SNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM )
 185 PIPE_FORMAT_R8G8B8X8_SNORM        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SNORM )
 186 PIPE_FORMAT_R8_SSCALED            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_R001, 1, 0, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 187 PIPE_FORMAT_R8G8_SSCALED          = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RG01, 1, 1, 0, 0, PIPE_FORMAT_TYPE_SSCALED )
 188 PIPE_FORMAT_R8G8B8_SSCALED        = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SSCALED )
 189 PIPE_FORMAT_R8G8B8A8_SSCALED      = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED )
 190 PIPE_FORMAT_R8G8B8X8_SSCALED      = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SSCALED )
 191 PIPE_FORMAT_L8_SRGB               = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRR1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB )
 192 PIPE_FORMAT_A8_L8_SRGB            = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RRRG, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB )
 193 PIPE_FORMAT_R8G8B8_SRGB           = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 0, PIPE_FORMAT_TYPE_SRGB )
 194 PIPE_FORMAT_R8G8B8A8_SRGB         = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGBA, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB )
 195 PIPE_FORMAT_R8G8B8X8_SRGB         = _PIPE_FORMAT_RGBAZS_8 ( _PIPE_FORMAT_RGB1, 1, 1, 1, 1, PIPE_FORMAT_TYPE_SRGB )
 196 PIPE_FORMAT_DXT1_RGB              = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 0 )
 197 PIPE_FORMAT_DXT1_RGBA             = _PIPE_FORMAT_DXT( 1, 8, 8, 8, 8 )
 198 PIPE_FORMAT_DXT3_RGBA             = _PIPE_FORMAT_DXT( 3, 8, 8, 8, 8 )
 199 PIPE_FORMAT_DXT5_RGBA             = _PIPE_FORMAT_DXT( 5, 8, 8, 8, 8 )
 200
 201 formats = {
 202         PIPE_FORMAT_NONE: "PIPE_FORMAT_NONE",
 203         PIPE_FORMAT_A8R8G8B8_UNORM: "PIPE_FORMAT_A8R8G8B8_UNORM",
 204         PIPE_FORMAT_X8R8G8B8_UNORM: "PIPE_FORMAT_X8R8G8B8_UNORM",
 205         PIPE_FORMAT_B8G8R8A8_UNORM: "PIPE_FORMAT_B8G8R8A8_UNORM",
 206         PIPE_FORMAT_B8G8R8X8_UNORM: "PIPE_FORMAT_B8G8R8X8_UNORM",
 207         PIPE_FORMAT_A1R5G5B5_UNORM: "PIPE_FORMAT_A1R5G5B5_UNORM",
 208         PIPE_FORMAT_A4R4G4B4_UNORM: "PIPE_FORMAT_A4R4G4B4_UNORM",
 209         PIPE_FORMAT_R5G6B5_UNORM: "PIPE_FORMAT_R5G6B5_UNORM",
 210         PIPE_FORMAT_L8_UNORM: "PIPE_FORMAT_L8_UNORM",
 211         PIPE_FORMAT_A8_UNORM: "PIPE_FORMAT_A8_UNORM",
 212         PIPE_FORMAT_I8_UNORM: "PIPE_FORMAT_I8_UNORM",
 213         PIPE_FORMAT_A8L8_UNORM: "PIPE_FORMAT_A8L8_UNORM",
 214         PIPE_FORMAT_YCBCR: "PIPE_FORMAT_YCBCR",
 215         PIPE_FORMAT_YCBCR_REV: "PIPE_FORMAT_YCBCR_REV",
 216         PIPE_FORMAT_Z16_UNORM: "PIPE_FORMAT_Z16_UNORM",
 217         PIPE_FORMAT_Z32_UNORM: "PIPE_FORMAT_Z32_UNORM",
 218         PIPE_FORMAT_Z32_FLOAT: "PIPE_FORMAT_Z32_FLOAT",
 219         PIPE_FORMAT_S8Z24_UNORM: "PIPE_FORMAT_S8Z24_UNORM",
 220         PIPE_FORMAT_Z24S8_UNORM: "PIPE_FORMAT_Z24S8_UNORM",
 221         PIPE_FORMAT_X8Z24_UNORM: "PIPE_FORMAT_X8Z24_UNORM",
 222         PIPE_FORMAT_Z24X8_UNORM: "PIPE_FORMAT_Z24X8_UNORM",
 223         PIPE_FORMAT_S8_UNORM: "PIPE_FORMAT_S8_UNORM",
 224         PIPE_FORMAT_R64_FLOAT: "PIPE_FORMAT_R64_FLOAT",
 225         PIPE_FORMAT_R64G64_FLOAT: "PIPE_FORMAT_R64G64_FLOAT",
 226         PIPE_FORMAT_R64G64B64_FLOAT: "PIPE_FORMAT_R64G64B64_FLOAT",
 227         PIPE_FORMAT_R64G64B64A64_FLOAT: "PIPE_FORMAT_R64G64B64A64_FLOAT",
 228         PIPE_FORMAT_R32_FLOAT: "PIPE_FORMAT_R32_FLOAT",
 229         PIPE_FORMAT_R32G32_FLOAT: "PIPE_FORMAT_R32G32_FLOAT",
 230         PIPE_FORMAT_R32G32B32_FLOAT: "PIPE_FORMAT_R32G32B32_FLOAT",
 231         PIPE_FORMAT_R32G32B32A32_FLOAT: "PIPE_FORMAT_R32G32B32A32_FLOAT",
 232         PIPE_FORMAT_R32_UNORM: "PIPE_FORMAT_R32_UNORM",
 233         PIPE_FORMAT_R32G32_UNORM: "PIPE_FORMAT_R32G32_UNORM",
 234         PIPE_FORMAT_R32G32B32_UNORM: "PIPE_FORMAT_R32G32B32_UNORM",
 235         PIPE_FORMAT_R32G32B32A32_UNORM: "PIPE_FORMAT_R32G32B32A32_UNORM",
 236         PIPE_FORMAT_R32_USCALED: "PIPE_FORMAT_R32_USCALED",
 237         PIPE_FORMAT_R32G32_USCALED: "PIPE_FORMAT_R32G32_USCALED",
 238         PIPE_FORMAT_R32G32B32_USCALED: "PIPE_FORMAT_R32G32B32_USCALED",
 239         PIPE_FORMAT_R32G32B32A32_USCALED: "PIPE_FORMAT_R32G32B32A32_USCALED",
 240         PIPE_FORMAT_R32_SNORM: "PIPE_FORMAT_R32_SNORM",
 241         PIPE_FORMAT_R32G32_SNORM: "PIPE_FORMAT_R32G32_SNORM",
 242         PIPE_FORMAT_R32G32B32_SNORM: "PIPE_FORMAT_R32G32B32_SNORM",
 243         PIPE_FORMAT_R32G32B32A32_SNORM: "PIPE_FORMAT_R32G32B32A32_SNORM",
 244         PIPE_FORMAT_R32_SSCALED: "PIPE_FORMAT_R32_SSCALED",
 245         PIPE_FORMAT_R32G32_SSCALED: "PIPE_FORMAT_R32G32_SSCALED",
 246         PIPE_FORMAT_R32G32B32_SSCALED: "PIPE_FORMAT_R32G32B32_SSCALED",
 247         PIPE_FORMAT_R32G32B32A32_SSCALED: "PIPE_FORMAT_R32G32B32A32_SSCALED",
 248         PIPE_FORMAT_R16_UNORM: "PIPE_FORMAT_R16_UNORM",
 249         PIPE_FORMAT_R16G16_UNORM: "PIPE_FORMAT_R16G16_UNORM",
 250         PIPE_FORMAT_R16G16B16_UNORM: "PIPE_FORMAT_R16G16B16_UNORM",
 251         PIPE_FORMAT_R16G16B16A16_UNORM: "PIPE_FORMAT_R16G16B16A16_UNORM",
 252         PIPE_FORMAT_R16_USCALED: "PIPE_FORMAT_R16_USCALED",
 253         PIPE_FORMAT_R16G16_USCALED: "PIPE_FORMAT_R16G16_USCALED",
 254         PIPE_FORMAT_R16G16B16_USCALED: "PIPE_FORMAT_R16G16B16_USCALED",
 255         PIPE_FORMAT_R16G16B16A16_USCALED: "PIPE_FORMAT_R16G16B16A16_USCALED",
 256         PIPE_FORMAT_R16_SNORM: "PIPE_FORMAT_R16_SNORM",
 257         PIPE_FORMAT_R16G16_SNORM: "PIPE_FORMAT_R16G16_SNORM",
 258         PIPE_FORMAT_R16G16B16_SNORM: "PIPE_FORMAT_R16G16B16_SNORM",
 259         PIPE_FORMAT_R16G16B16A16_SNORM: "PIPE_FORMAT_R16G16B16A16_SNORM",
 260         PIPE_FORMAT_R16_SSCALED: "PIPE_FORMAT_R16_SSCALED",
 261         PIPE_FORMAT_R16G16_SSCALED: "PIPE_FORMAT_R16G16_SSCALED",
 262         PIPE_FORMAT_R16G16B16_SSCALED: "PIPE_FORMAT_R16G16B16_SSCALED",
 263         PIPE_FORMAT_R16G16B16A16_SSCALED: "PIPE_FORMAT_R16G16B16A16_SSCALED",
 264         PIPE_FORMAT_R8_UNORM: "PIPE_FORMAT_R8_UNORM",
 265         PIPE_FORMAT_R8G8_UNORM: "PIPE_FORMAT_R8G8_UNORM",
 266         PIPE_FORMAT_R8G8B8_UNORM: "PIPE_FORMAT_R8G8B8_UNORM",
 267         PIPE_FORMAT_R8G8B8A8_UNORM: "PIPE_FORMAT_R8G8B8A8_UNORM",
 268         PIPE_FORMAT_R8G8B8X8_UNORM: "PIPE_FORMAT_R8G8B8X8_UNORM",
 269         PIPE_FORMAT_R8_USCALED: "PIPE_FORMAT_R8_USCALED",
 270         PIPE_FORMAT_R8G8_USCALED: "PIPE_FORMAT_R8G8_USCALED",
 271         PIPE_FORMAT_R8G8B8_USCALED: "PIPE_FORMAT_R8G8B8_USCALED",
 272         PIPE_FORMAT_R8G8B8A8_USCALED: "PIPE_FORMAT_R8G8B8A8_USCALED",
 273         PIPE_FORMAT_R8G8B8X8_USCALED: "PIPE_FORMAT_R8G8B8X8_USCALED",
 274         PIPE_FORMAT_R8_SNORM: "PIPE_FORMAT_R8_SNORM",
 275         PIPE_FORMAT_R8G8_SNORM: "PIPE_FORMAT_R8G8_SNORM",
 276         PIPE_FORMAT_R8G8B8_SNORM: "PIPE_FORMAT_R8G8B8_SNORM",
 277         PIPE_FORMAT_R8G8B8A8_SNORM: "PIPE_FORMAT_R8G8B8A8_SNORM",
 278         PIPE_FORMAT_R8G8B8X8_SNORM: "PIPE_FORMAT_R8G8B8X8_SNORM",
 279         PIPE_FORMAT_R8_SSCALED: "PIPE_FORMAT_R8_SSCALED",
 280         PIPE_FORMAT_R8G8_SSCALED: "PIPE_FORMAT_R8G8_SSCALED",
 281         PIPE_FORMAT_R8G8B8_SSCALED: "PIPE_FORMAT_R8G8B8_SSCALED",
 282         PIPE_FORMAT_R8G8B8A8_SSCALED: "PIPE_FORMAT_R8G8B8A8_SSCALED",
 283         PIPE_FORMAT_R8G8B8X8_SSCALED: "PIPE_FORMAT_R8G8B8X8_SSCALED",
 284         PIPE_FORMAT_L8_SRGB: "PIPE_FORMAT_L8_SRGB",
 285         PIPE_FORMAT_A8_L8_SRGB: "PIPE_FORMAT_A8_L8_SRGB",
 286         PIPE_FORMAT_R8G8B8_SRGB: "PIPE_FORMAT_R8G8B8_SRGB",
 287         PIPE_FORMAT_R8G8B8A8_SRGB: "PIPE_FORMAT_R8G8B8A8_SRGB",
 288         PIPE_FORMAT_R8G8B8X8_SRGB: "PIPE_FORMAT_R8G8B8X8_SRGB",
 289         PIPE_FORMAT_DXT1_RGB: "PIPE_FORMAT_DXT1_RGB",
 290         PIPE_FORMAT_DXT1_RGBA: "PIPE_FORMAT_DXT1_RGBA",
 291         PIPE_FORMAT_DXT3_RGBA: "PIPE_FORMAT_DXT3_RGBA",
 292         PIPE_FORMAT_DXT5_RGBA: "PIPE_FORMAT_DXT5_RGBA",
 293 }
 294
 295
 296 def read_header(infile):
 297         header_fmt = "IIII"
 298         header = infile.read(struct.calcsize(header_fmt))
 299         return struct.unpack_from(header_fmt, header)
 300
 301 def read_pixel(infile, fmt, cpp):
 302         assert cpp == 4
 303         r, g, b, a = map(ord, infile.read(4))
 304         return r, g, b, a
 305
 306
 307 def process(infilename, outfilename):
 308         infile = open(infilename, "rb")
 309         format, cpp, width, height = read_header(infile)
 310         sys.stderr.write("format = %s, cpp = %u, width = %u, height = %u\n" % (formats[format], cpp, width, height))
 311         outimage = Image.new(
 312     mode='RGB',
 313     size=(width, height),
 314     color=(0,0,0))
 315         outpixels = outimage.load()
 316         for y in range(height):
 317                 for x in range(width):
 318                         r, g, b, a = read_pixel(infile, format, cpp)
 319                         outpixels[x, y] = r, g, b
 320         outimage.save(outfilename, "PNG")
 321
 322
 323 def main():
 324         if sys.platform == 'win32':
 325                 # wildcard expansion
 326                 from glob import glob
 327                 args = []
 328                 for arg in sys.argv[1:]:
 329                         args.extend(glob(arg))
 330         else:
 331                 args = sys.argv[1:]
 332         for infilename in args:
 333                 root, ext = os.path.splitext(infilename)
 334                 outfilename = root + ".png"
 335                 process(infilename, outfilename)
 336
 337
 338 if __name__ == '__main__':
 339         main()