Subversion Repositories Kolibri OS

Rev

Blame | Last modification | View Log | RSS feed

  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, glX_XML
  29. import string
  30.  
  31.  
  32. class glx_proto_item_factory(glX_XML.glx_item_factory):
  33.     """Factory to create GLX protocol oriented objects derived from gl_item."""
  34.  
  35.     def create_type(self, element, context, category):
  36.         return glx_proto_type(element, context, category)
  37.  
  38.  
  39. class glx_proto_type(gl_XML.gl_type):
  40.     def __init__(self, element, context, category):
  41.         gl_XML.gl_type.__init__(self, element, context, category)
  42.  
  43.         self.glx_name = element.get( "glx_name" )
  44.         return
  45.  
  46.  
  47. class glx_print_proto(gl_XML.gl_print_base):
  48.     def size_call(self, func, outputs_also = 0):
  49.         """Create C code to calculate 'compsize'.
  50.  
  51.        Creates code to calculate 'compsize'.  If the function does
  52.        not need 'compsize' to be calculated, None will be
  53.        returned."""
  54.  
  55.         compsize = None
  56.  
  57.         for param in func.parameterIterator():
  58.             if outputs_also or not param.is_output:
  59.                 if param.is_image():
  60.                     [dim, w, h, d, junk] = param.get_dimensions()
  61.  
  62.                     compsize = '__glImageSize(%s, %s, %s, %s, %s, %s)' % (w, h, d, param.img_format, param.img_type, param.img_target)
  63.                     if not param.img_send_null:
  64.                         compsize = '(%s != NULL) ? %s : 0' % (param.name, compsize)
  65.  
  66.                     return compsize
  67.  
  68.                 elif len(param.count_parameter_list):
  69.                     parameters = string.join( param.count_parameter_list, "," )
  70.                     compsize = "__gl%s_size(%s)" % (func.name, parameters)
  71.  
  72.                     return compsize
  73.  
  74.         return None
  75.  
  76.  
  77.     def emit_packet_size_calculation(self, f, bias):
  78.         # compsize is only used in the command size calculation if
  79.         # the function has a non-output parameter that has a non-empty
  80.         # counter_parameter_list.
  81.  
  82.         compsize = self.size_call(f)
  83.         if compsize:
  84.             print '    const GLuint compsize = %s;' % (compsize)
  85.  
  86.         if bias:
  87.             print '    const GLuint cmdlen = %s - %u;' % (f.command_length(), bias)
  88.         else:
  89.             print '    const GLuint cmdlen = %s;' % (f.command_length())
  90.  
  91.         #print ''
  92.         return compsize
  93.