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 27import gl_XML, glX_XML 28import string 29 30 31class glx_proto_item_factory(glX_XML.glx_item_factory): 32 """Factory to create GLX protocol oriented objects derived from gl_item.""" 33 34 def create_type(self, element, context, category): 35 return glx_proto_type(element, context, category) 36 37 38class glx_proto_type(gl_XML.gl_type): 39 def __init__(self, element, context, category): 40 gl_XML.gl_type.__init__(self, element, context, category) 41 42 self.glx_name = element.get( "glx_name" ) 43 return 44 45 46class glx_print_proto(gl_XML.gl_print_base): 47 def size_call(self, func, outputs_also = 0): 48 """Create C code to calculate 'compsize'. 49 50 Creates code to calculate 'compsize'. If the function does 51 not need 'compsize' to be calculated, None will be 52 returned.""" 53 54 compsize = None 55 56 for param in func.parameterIterator(): 57 if outputs_also or not param.is_output: 58 if param.is_image(): 59 [dim, w, h, d, junk] = param.get_dimensions() 60 61 compsize = '__glImageSize(%s, %s, %s, %s, %s, %s)' % (w, h, d, param.img_format, param.img_type, param.img_target) 62 if not param.img_send_null: 63 compsize = '(%s != NULL) ? %s : 0' % (param.name, compsize) 64 65 return compsize 66 67 elif len(param.count_parameter_list): 68 parameters = string.join( param.count_parameter_list, "," ) 69 compsize = "__gl%s_size(%s)" % (func.name, parameters) 70 71 return compsize 72 73 return None 74 75 76 def emit_packet_size_calculation(self, f, bias): 77 # compsize is only used in the command size calculation if 78 # the function has a non-output parameter that has a non-empty 79 # counter_parameter_list. 80 81 compsize = self.size_call(f) 82 if compsize: 83 print ' const GLuint compsize = %s;' % (compsize) 84 85 if bias: 86 print ' const GLuint cmdlen = %s - %u;' % (f.command_length(), bias) 87 else: 88 print ' const GLuint cmdlen = %s;' % (f.command_length()) 89 90 #print '' 91 return compsize 92