| #!/usr/bin/env python |
| |
| # (C) Copyright IBM Corporation 2004, 2005 |
| # All Rights Reserved. |
| # |
| # Permission is hereby granted, free of charge, to any person obtaining a |
| # copy of this software and associated documentation files (the "Software"), |
| # to deal in the Software without restriction, including without limitation |
| # on the rights to use, copy, modify, merge, publish, distribute, sub |
| # license, and/or sell copies of the Software, and to permit persons to whom |
| # the Software is furnished to do so, subject to the following conditions: |
| # |
| # The above copyright notice and this permission notice (including the next |
| # paragraph) shall be included in all copies or substantial portions of the |
| # Software. |
| # |
| # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| # FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| # IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| # IN THE SOFTWARE. |
| # |
| # Authors: |
| # Ian Romanick <idr@us.ibm.com> |
| |
| import gl_XML, glX_XML |
| import string |
| |
| |
| class glx_proto_item_factory(glX_XML.glx_item_factory): |
| """Factory to create GLX protocol oriented objects derived from gl_item.""" |
| |
| def create_item(self, name, element, context): |
| if name == "type": |
| return glx_proto_type(element, context) |
| else: |
| return glX_XML.glx_item_factory.create_item(self, name, element, context) |
| |
| |
| class glx_proto_type(gl_XML.gl_type): |
| def __init__(self, element, context): |
| gl_XML.gl_type.__init__(self, element, context) |
| |
| self.glx_name = element.nsProp( "glx_name", None ) |
| return |
| |
| |
| class glx_print_proto(gl_XML.gl_print_base): |
| def size_call(self, func, outputs_also = 0): |
| """Create C code to calculate 'compsize'. |
| |
| Creates code to calculate 'compsize'. If the function does |
| not need 'compsize' to be calculated, None will be |
| returned.""" |
| |
| compsize = None |
| |
| for param in func.parameterIterator(): |
| if outputs_also or not param.is_output: |
| if param.is_image(): |
| [dim, w, h, d, junk] = param.get_dimensions() |
| |
| compsize = '__glImageSize(%s, %s, %s, %s, %s, %s)' % (w, h, d, param.img_format, param.img_type, param.img_target) |
| if not param.img_send_null: |
| compsize = '(%s != NULL) ? %s : 0' % (param.name, compsize) |
| |
| return compsize |
| |
| elif len(param.count_parameter_list): |
| parameters = string.join( param.count_parameter_list, "," ) |
| compsize = "__gl%s_size(%s)" % (func.name, parameters) |
| |
| return compsize |
| |
| return None |
| |
| |
| def emit_packet_size_calculation(self, f, bias): |
| # compsize is only used in the command size calculation if |
| # the function has a non-output parameter that has a non-empty |
| # counter_parameter_list. |
| |
| compsize = self.size_call(f) |
| if compsize: |
| print ' const GLuint compsize = %s;' % (compsize) |
| |
| if bias: |
| print ' const GLuint cmdlen = %s - %u;' % (f.command_length(), bias) |
| else: |
| print ' const GLuint cmdlen = %s;' % (f.command_length()) |
| |
| #print '' |
| return compsize |