src/mapi/glapi/gen/glX_proto_common.py

   1
   2 # (C) Copyright IBM Corporation 2004, 2005
   3 # All Rights Reserved.
   4 #
   5 # Permission is hereby granted, free of charge, to any person obtaining a
   6 # copy of this software and associated documentation files (the "Software"),
   7 # to deal in the Software without restriction, including without limitation
   8 # on the rights to use, copy, modify, merge, publish, distribute, sub
   9 # license, and/or sell copies of the Software, and to permit persons to whom
  10 # the Software is furnished to do so, subject to the following conditions:
  11 #
  12 # The above copyright notice and this permission notice (including the next
  13 # paragraph) shall be included in all copies or substantial portions of the
  14 # Software.
  15 #
  16 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
  19 # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  22 # IN THE SOFTWARE.
  23 #
  24 # Authors:
  25 #    Ian Romanick <idr@us.ibm.com>
  26
  27 from __future__ import print_function
  28
  29 import gl_XML, glX_XML
  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 = ",".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