diff options
Diffstat (limited to 'mesalib/src/mesa/glapi/gen/glX_proto_common.py')
-rw-r--r-- | mesalib/src/mesa/glapi/gen/glX_proto_common.py | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/mesalib/src/mesa/glapi/gen/glX_proto_common.py b/mesalib/src/mesa/glapi/gen/glX_proto_common.py new file mode 100644 index 000000000..6f094e22b --- /dev/null +++ b/mesalib/src/mesa/glapi/gen/glX_proto_common.py @@ -0,0 +1,95 @@ +#!/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 |