src/mesa/glapi/gl_offsets.py

   1 #!/usr/bin/env python
   2
   3 # (C) Copyright IBM Corporation 2004, 2005
   4 # All Rights Reserved.
   5 #
   6 # Permission is hereby granted, free of charge, to any person obtaining a
   7 # copy of this software and associated documentation files (the "Software"),
   8 # to deal in the Software without restriction, including without limitation
   9 # on the rights to use, copy, modify, merge, publish, distribute, sub
  10 # license, and/or sell copies of the Software, and to permit persons to whom
  11 # the Software is furnished to do so, subject to the following conditions:
  12 #
  13 # The above copyright notice and this permission notice (including the next
  14 # paragraph) shall be included in all copies or substantial portions of the
  15 # Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  20 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  23 # IN THE SOFTWARE.
  24 #
  25 # Authors:
  26 #    Ian Romanick <idr@us.ibm.com>
  27
  28 import gl_XML
  29 import license
  30 import sys, getopt
  31
  32 class PrintGlOffsets(gl_XML.gl_print_base):
  33         def __init__(self):
  34                 gl_XML.gl_print_base.__init__(self)
  35
  36                 self.name = "gl_offsets.py (from Mesa)"
  37                 self.header_tag = '_GLAPI_OFFSETS_H_'
  38                 self.license = license.bsd_license_template % ( \
  39 """Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
  40 (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
  41                 return
  42
  43         def printBody(self, api):
  44                 abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
  45
  46                 functions = []
  47                 abi_functions = []
  48                 count = 0
  49                 for f in api.functionIterateByOffset():
  50                         [category, num] = api.get_category_for_name( f.name )
  51                         if category not in abi:
  52                                 functions.append( [f, count] )
  53                                 count += 1
  54                         else:
  55                                 abi_functions.append( f )
  56
  57
  58                 for f in abi_functions:
  59                         print '#define _gloffset_%s %d' % (f.name, f.offset)
  60                         last_static = f.offset
  61
  62                 print ''
  63                 print '#if !defined(IN_DRI_DRIVER)'
  64                 print ''
  65
  66                 for [f, index] in functions:
  67                         print '#define _gloffset_%s %d' % (f.name, f.offset)
  68
  69                 print '#define _gloffset_FIRST_DYNAMIC %d' % (api.next_offset)
  70
  71                 print ''
  72                 print '#else'
  73                 print ''
  74
  75                 for [f, index] in functions:
  76                         print '#define _gloffset_%s driDispatchRemapTable[%s_remap_index]' % (f.name, f.name)
  77
  78                 print ''
  79                 print '#endif /* !defined(IN_DRI_DRIVER) */'
  80
  81                 return
  82
  83
  84 def show_usage():
  85         print "Usage: %s [-f input_file_name]" % sys.argv[0]
  86         sys.exit(1)
  87
  88 if __name__ == '__main__':
  89         file_name = "gl_API.xml"
  90
  91         try:
  92                 (args, trail) = getopt.getopt(sys.argv[1:], "f:")
  93         except Exception,e:
  94                 show_usage()
  95
  96         for (arg,val) in args:
  97                 if arg == "-f":
  98                         file_name = val
  99
 100         api = gl_XML.parse_GL_API( file_name )
 101
 102         printer = PrintGlOffsets()
 103         printer.Print( api )