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glapi: Add OpenGL ES compatibility mode to scripts.
When the mode is on, the scripts would generate headers that are suitable for OpenGL ES. There are two differences. One is that they will generate function prototypes for OpenGL ES specific functions. The other is that, when a function has multiple names, SET/GET/CALL macros would be generated for each of names. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
This commit is contained in:
Chia-I Wu
Brian Paul
parent
5b85cada60
commit
1af44e9e5a
4 changed files with 108 additions and 19 deletions
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@ -30,7 +30,7 @@ import license
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import sys, getopt
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class PrintGlOffsets(gl_XML.gl_print_base):
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def __init__(self):
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def __init__(self, es=False):
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gl_XML.gl_print_base.__init__(self)
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self.name = "gl_apitemp.py (from Mesa)"
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@ -38,6 +38,8 @@ class PrintGlOffsets(gl_XML.gl_print_base):
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"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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(C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM")
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self.es = es
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self.undef_list.append( "KEYWORD1" )
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self.undef_list.append( "KEYWORD1_ALT" )
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self.undef_list.append( "KEYWORD2" )
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@ -82,7 +84,14 @@ class PrintGlOffsets(gl_XML.gl_print_base):
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else:
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dispatch = "DISPATCH"
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need_proto = False
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if not f.is_static_entry_point(name):
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need_proto = True
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elif self.es:
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cat, num = api.get_category_for_name(name)
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if (cat.startswith("es") or cat.startswith("GL_OES")):
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need_proto = True
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if need_proto:
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print '%s %s KEYWORD2 NAME(%s)(%s);' % (keyword, f.return_type, n, f.get_parameter_string(name))
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print ''
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@ -286,22 +295,26 @@ static _glapi_proc UNUSED_TABLE_NAME[] = {"""
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def show_usage():
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print "Usage: %s [-f input_file_name]" % sys.argv[0]
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print "Usage: %s [-f input_file_name] [-c]" % sys.argv[0]
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print "-c Enable compatibility with OpenGL ES."
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sys.exit(1)
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if __name__ == '__main__':
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file_name = "gl_API.xml"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "f:")
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(args, trail) = getopt.getopt(sys.argv[1:], "f:c")
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except Exception,e:
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show_usage()
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es = False
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for (arg,val) in args:
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if arg == "-f":
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file_name = val
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elif arg == "-c":
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es = True
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api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
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printer = PrintGlOffsets()
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printer = PrintGlOffsets(es)
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printer.Print(api)
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@ -30,9 +30,10 @@ import license
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import sys, getopt
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class PrintGlOffsets(gl_XML.gl_print_base):
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def __init__(self):
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def __init__(self, es=False):
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gl_XML.gl_print_base.__init__(self)
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self.es = es
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self.name = "gl_offsets.py (from Mesa)"
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self.header_tag = '_GLAPI_OFFSETS_H_'
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self.license = license.bsd_license_template % ( \
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@ -46,6 +47,7 @@ class PrintGlOffsets(gl_XML.gl_print_base):
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functions = []
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abi_functions = []
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alias_functions = []
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count = 0
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for f in api.functionIterateByOffset():
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if not f.is_abi():
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@ -54,6 +56,10 @@ class PrintGlOffsets(gl_XML.gl_print_base):
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else:
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abi_functions.append( f )
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if self.es:
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# remember functions with aliases
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if len(f.entry_points) > 1:
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alias_functions.append(f)
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for f in abi_functions:
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print '#define _gloffset_%s %d' % (f.name, f.offset)
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@ -78,26 +84,37 @@ class PrintGlOffsets(gl_XML.gl_print_base):
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print ''
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print '#endif /* !defined(_GLAPI_USE_REMAP_TABLE) */'
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if alias_functions:
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print ''
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print '/* define aliases for compatibility */'
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for f in alias_functions:
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for name in f.entry_points:
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if name != f.name:
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print '#define _gloffset_%s _gloffset_%s' % (name, f.name)
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return
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def show_usage():
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print "Usage: %s [-f input_file_name]" % sys.argv[0]
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print "Usage: %s [-f input_file_name] [-c]" % sys.argv[0]
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print " -c Enable compatibility with OpenGL ES."
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sys.exit(1)
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if __name__ == '__main__':
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file_name = "gl_API.xml"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "f:")
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(args, trail) = getopt.getopt(sys.argv[1:], "f:c")
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except Exception,e:
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show_usage()
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es = False
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for (arg,val) in args:
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if arg == "-f":
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file_name = val
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elif arg == "-c":
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es = True
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api = gl_XML.parse_GL_API( file_name )
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printer = PrintGlOffsets()
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printer = PrintGlOffsets(es)
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printer.Print( api )
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@ -30,9 +30,10 @@ import gl_XML, glX_XML
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import sys, getopt
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class PrintGlProcs(gl_XML.gl_print_base):
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def __init__(self, long_strings):
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def __init__(self, long_strings, es=False):
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gl_XML.gl_print_base.__init__(self)
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self.es = es
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self.long_strings = long_strings
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self.name = "gl_procs.py (from Mesa)"
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self.license = license.bsd_license_template % ( \
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@ -141,6 +142,28 @@ typedef struct {
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print '%s GLAPIENTRY gl_dispatch_stub_%u(%s);' % (func.return_type, func.offset, func.get_parameter_string())
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break
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if self.es:
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categories = {}
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for func in api.functionIterateByOffset():
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for n in func.entry_points:
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cat, num = api.get_category_for_name(n)
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if (cat.startswith("es") or cat.startswith("GL_OES")):
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if not categories.has_key(cat):
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categories[cat] = []
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proto = 'GLAPI %s GLAPIENTRY %s(%s);' \
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% (func.return_type, "gl" + n, func.get_parameter_string(n))
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categories[cat].append(proto)
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if categories:
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print ''
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print '/* OpenGL ES specific prototypes */'
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print ''
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keys = categories.keys()
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keys.sort()
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for key in keys:
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print '/* category %s */' % key
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print "\n".join(categories[key])
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print ''
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print '#endif /* defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING) */'
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print ''
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@ -155,8 +178,9 @@ typedef struct {
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def show_usage():
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print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
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print "mode can be one of:"
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print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
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print "-c Enable compatibility with OpenGL ES."
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print "-m mode mode can be one of:"
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print " long - Create code for compilers that can handle very"
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print " long string constants. (default)"
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print " short - Create code for compilers that can only handle"
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@ -167,11 +191,12 @@ if __name__ == '__main__':
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file_name = "gl_API.xml"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
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(args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
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except Exception,e:
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show_usage()
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long_string = 1
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es = False
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for (arg,val) in args:
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if arg == "-f":
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file_name = val
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@ -182,7 +207,9 @@ if __name__ == '__main__':
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long_string = 1
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else:
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show_usage()
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elif arg == "-c":
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es = True
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api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory())
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printer = PrintGlProcs(long_string)
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printer = PrintGlProcs(long_string, es)
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printer.Print(api)
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@ -30,9 +30,10 @@ import license
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import sys, getopt
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class PrintGlTable(gl_XML.gl_print_base):
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def __init__(self):
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def __init__(self, es=False):
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gl_XML.gl_print_base.__init__(self)
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self.es = es
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self.header_tag = '_GLAPI_TABLE_H_'
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self.name = "gl_table.py (from Mesa)"
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self.license = license.bsd_license_template % ( \
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@ -68,9 +69,10 @@ class PrintGlTable(gl_XML.gl_print_base):
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class PrintRemapTable(gl_XML.gl_print_base):
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def __init__(self):
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def __init__(self, es=False):
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gl_XML.gl_print_base.__init__(self)
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self.es = es
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self.header_tag = '_GLAPI_DISPATCH_H_'
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self.name = "gl_table.py (from Mesa)"
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self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM")
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@ -115,6 +117,7 @@ class PrintRemapTable(gl_XML.gl_print_base):
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functions = []
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abi_functions = []
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alias_functions = []
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count = 0
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for f in api.functionIterateByOffset():
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if not f.is_abi():
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@ -123,6 +126,11 @@ class PrintRemapTable(gl_XML.gl_print_base):
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else:
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abi_functions.append( f )
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if self.es:
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# remember functions with aliases
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if len(f.entry_points) > 1:
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alias_functions.append(f)
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for f in abi_functions:
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print '#define CALL_%s(disp, parameters) (*((disp)->%s)) parameters' % (f.name, f.name)
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@ -162,33 +170,57 @@ class PrintRemapTable(gl_XML.gl_print_base):
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print ''
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print '#endif /* !defined(_GLAPI_USE_REMAP_TABLE) */'
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if alias_functions:
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print ''
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print '/* define aliases for compatibility */'
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for f in alias_functions:
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for name in f.entry_points:
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if name != f.name:
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print '#define CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name)
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print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name)
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print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name)
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print ''
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print '#if defined(_GLAPI_USE_REMAP_TABLE)'
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for f in alias_functions:
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for name in f.entry_points:
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if name != f.name:
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print '#define %s_remap_index %s_remap_index' % (name, f.name)
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print '#endif /* defined(_GLAPI_USE_REMAP_TABLE) */'
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print ''
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return
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def show_usage():
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print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0]
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print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0]
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print " -m mode Mode can be 'table' or 'remap_table'."
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print " -c Enable compatibility with OpenGL ES."
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sys.exit(1)
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if __name__ == '__main__':
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file_name = "gl_API.xml"
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try:
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(args, trail) = getopt.getopt(sys.argv[1:], "f:m:")
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(args, trail) = getopt.getopt(sys.argv[1:], "f:m:c")
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except Exception,e:
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show_usage()
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mode = "table"
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es = False
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for (arg,val) in args:
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if arg == "-f":
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file_name = val
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elif arg == "-m":
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mode = val
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elif arg == "-c":
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es = True
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if mode == "table":
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printer = PrintGlTable()
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printer = PrintGlTable(es)
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elif mode == "remap_table":
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printer = PrintRemapTable()
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printer = PrintRemapTable(es)
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else:
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show_usage()
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