#!/usr/bin/env python
# (C) Copyright IBM Corporation 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
import license
import sys, getopt, string
vtxfmt = [
"ArrayElement", \
"Color3f", \
"Color3fv", \
"Color4f", \
"Color4fv", \
"EdgeFlag", \
"EdgeFlagv", \
"EvalCoord1f", \
"EvalCoord1fv", \
"EvalCoord2f", \
"EvalCoord2fv", \
"EvalPoint1", \
"EvalPoint2", \
"FogCoordfEXT", \
"FogCoordfvEXT", \
"Indexf", \
"Indexfv", \
"Materialfv", \
"MultiTexCoord1fARB", \
"MultiTexCoord1fvARB", \
"MultiTexCoord2fARB", \
"MultiTexCoord2fvARB", \
"MultiTexCoord3fARB", \
"MultiTexCoord3fvARB", \
"MultiTexCoord4fARB", \
"MultiTexCoord4fvARB", \
"Normal3f", \
"Normal3fv", \
"SecondaryColor3fEXT", \
"SecondaryColor3fvEXT", \
"TexCoord1f", \
"TexCoord1fv", \
"TexCoord2f", \
"TexCoord2fv", \
"TexCoord3f", \
"TexCoord3fv", \
"TexCoord4f", \
"TexCoord4fv", \
"Vertex2f", \
"Vertex2fv", \
"Vertex3f", \
"Vertex3fv", \
"Vertex4f", \
"Vertex4fv", \
"CallList", \
"CallLists", \
"Begin", \
"End", \
"VertexAttrib1fNV", \
"VertexAttrib1fvNV", \
"VertexAttrib2fNV", \
"VertexAttrib2fvNV", \
"VertexAttrib3fNV", \
"VertexAttrib3fvNV", \
"VertexAttrib4fNV", \
"VertexAttrib4fvNV", \
"VertexAttrib1fARB", \
"VertexAttrib1fvARB", \
"VertexAttrib2fARB", \
"VertexAttrib2fvARB", \
"VertexAttrib3fARB", \
"VertexAttrib3fvARB", \
"VertexAttrib4fARB", \
"VertexAttrib4fvARB", \
"Rectf", \
"DrawArrays", \
"DrawElements", \
"DrawRangeElements", \
"EvalMesh1", \
"EvalMesh2", \
]
def all_entrypoints_in_abi(f, abi, api):
for n in f.entry_points:
[category, num] = api.get_category_for_name( n )
if category not in abi:
return 0
return 1
def any_entrypoints_in_abi(f, abi, api):
for n in f.entry_points:
[category, num] = api.get_category_for_name( n )
if category in abi:
return 1
return 0
def condition_for_function(f, abi, all_not_in_ABI):
"""Create a C-preprocessor condition for the function.
There are two modes of operation. If all_not_in_ABI is set, a
condition is only created is all of the entry-point names for f are
not in the selected ABI. If all_not_in_ABI is not set, a condition
is created if any entryp-point name is not in the selected ABI.
"""
condition = []
for n in f.entry_points:
[category, num] = api.get_category_for_name( n )
if category not in abi:
condition.append( 'defined(need_%s)' % (gl_XML.real_category_name( category )) )
elif all_not_in_ABI:
return []
return condition
class PrintGlExtensionGlue(gl_XML.gl_print_base):
def __init__(self):
gl_XML.gl_print_base.__init__(self)
self.name = "extension_helper.py (from Mesa)"
self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
return
def printRealHeader(self):
print '#include "utils.h"'
print '#include "main/dispatch.h"'
print ''
return
def printBody(self, api):
abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
category_list = {}
print '#ifndef NULL'
print '# define NULL 0'
print '#endif'
print ''
for f in api.functionIterateAll():
condition = condition_for_function(f, abi, 0)
if len(condition):
print '#if %s' % (string.join(condition, " || "))
print 'static const char %s_names[] =' % (f.name)
parameter_signature = ''
for p in f.parameterIterator():
if p.is_padding:
continue
# FIXME: This is a *really* ugly hack. :(
tn = p.type_expr.get_base_type_node()
if p.is_pointer():
parameter_signature += 'p'
elif tn.integer:
parameter_signature += 'i'
elif tn.size == 4:
parameter_signature += 'f'
else:
parameter_signature += 'd'
print ' "%s\\0" /* Parameter signature */' % (parameter_signature)
for n in f.entry_points:
print ' "gl%s\\0"' % (n)
[category, num] = api.get_category_for_name( n )
if category not in abi:
c = gl_XML.real_category_name(category)
if not category_list.has_key(c):
category_list[ c ] = []
category_list[ c ].append( f )
print ' "";'
print '#endif'
print ''
keys = category_list.keys()
keys.sort()
for category in keys:
print '#if defined(need_%s)' % (category)
print 'static const struct dri_extension_function %s_functions[] = {' % (category)
for f in category_list[ category ]:
# A function either has an offset that is
# assigned by the ABI, or it has a remap
# index.
if any_entrypoints_in_abi(f, abi, api):
index_name = "-1"
offset = f.offset
else:
index_name = "%s_remap_index" % (f.name)
offset = -1
print ' { %s_names, %s, %d },' % (f.name, index_name, offset)
print ' { NULL, 0, 0 }'
print '};'
print '#endif'
print ''
return
class PrintInitDispatch(gl_XML.gl_print_base):
def __init__(self):
gl_XML.gl_print_base.__init__(self)
self.name = "extension_helper.py (from Mesa)"
self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
return
def do_function_body(self, api, abi, vtxfmt_only):
last_condition_string = None
for f in api.functionIterateByOffset():
if (f.name in vtxfmt) and not vtxfmt_only:
continue
if (f.name not in vtxfmt) and vtxfmt_only:
continue
condition = condition_for_function(f, abi, 1)
condition_string = string.join(condition, " || ")
if condition_string != last_condition_string:
if last_condition_string:
print '#endif /* %s */' % (last_condition_string)
if condition_string:
print '#if %s' % (condition_string)
if vtxfmt_only:
print ' disp->%s = vfmt->%s;' % (f.name, f.name)
else:
print ' disp->%s = _mesa_%s;' % (f.name, f.name)
last_condition_string = condition_string
if last_condition_string:
print '#endif /* %s */' % (last_condition_string)
def printBody(self, api):
abi = [ "1.0", "1.1", "1.2", "GL_ARB_multitexture" ]
print 'void driver_init_exec_table(struct _glapi_table *disp)'
print '{'
self.do_function_body(api, abi, 0)
print '}'
print ''
print 'void driver_install_vtxfmt(struct _glapi_table *disp, const GLvertexformat *vfmt)'
print '{'
self.do_function_body(api, abi, 1)
print '}'
return
def show_usage():
print "Usage: %s [-f input_file_name] [-m output_mode]" % sys.argv[0]
print " -m output_mode Output mode can be one of 'extensions' or 'exec_init'."
sys.exit(1)
if __name__ == '__main__':
file_name = "gl_API.xml"
try:
(args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
except Exception,e:
show_usage()
mode = "extensions"
for (arg,val) in args:
if arg == "-f":
file_name = val
if arg == '-m':
mode = val
api = gl_XML.parse_GL_API( file_name )
if mode == "extensions":
printer = PrintGlExtensionGlue()
elif mode == "exec_init":
printer = PrintInitDispatch()
else:
show_usage()
printer.Print( api )