180 lines
6.4 KiB
Python
180 lines
6.4 KiB
Python
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# (C) Copyright IBM Corporation 2004, 2005
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# All Rights Reserved.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a
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# copy of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# on the rights to use, copy, modify, merge, publish, distribute, sub
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# license, and/or sell copies of the Software, and to permit persons to whom
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# the Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice (including the next
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# paragraph) shall be included in all copies or substantial portions of the
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# Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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# IBM AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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#
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# Authors:
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# Ian Romanick <idr@us.ibm.com>
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import argparse
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import license
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import gl_XML
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import glX_XML
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class PrintGlProcs(gl_XML.gl_print_base):
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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_procs.py (from Mesa)"
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self.license = license.bsd_license_template % ( \
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"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved.
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(C) Copyright IBM Corporation 2004, 2006""", "BRIAN PAUL, IBM")
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def printRealHeader(self):
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print("""
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/* This file is only included by glapi.c and is used for
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* the GetProcAddress() function
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*/
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typedef struct {
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GLint Name_offset;
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#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING)
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_glapi_proc Address;
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#endif
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GLuint Offset;
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} glprocs_table_t;
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#if !defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING)
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# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , o }
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#elif defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING)
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# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f1 , o }
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#elif defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING)
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# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f2 , o }
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#elif !defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING)
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# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f3 , o }
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#endif
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""")
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return
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def printRealFooter(self):
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print('')
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print('#undef NAME_FUNC_OFFSET')
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return
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def printFunctionString(self, name):
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print(' "gl%s\\0"' % (name))
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def printBody(self, api):
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print('')
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print('static const char gl_string_table[] =')
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base_offset = 0
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table = []
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for func in api.functionIterateByOffset():
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name = func.dispatch_name()
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self.printFunctionString(func.name)
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table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.offset))
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# The length of the function's name, plus 2 for "gl",
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# plus 1 for the NUL.
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base_offset += len(func.name) + 3
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for func in api.functionIterateByOffset():
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for n in func.entry_points:
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if n != func.name:
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name = func.dispatch_name()
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self.printFunctionString( n )
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if func.has_different_protocol(n):
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alt_name = "gl" + func.static_glx_name(n)
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table.append((base_offset, "gl" + name, alt_name, alt_name, func.offset))
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else:
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table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.offset))
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base_offset += len(n) + 3
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print(' ;')
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print('')
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print('')
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print('#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING)')
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for func in api.functionIterateByOffset():
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for n in func.entry_points:
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if (not func.is_static_entry_point(func.name)) or (func.has_different_protocol(n) and not func.is_static_entry_point(n)):
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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 cat not in categories:
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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 = sorted(categories.keys())
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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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print('static const glprocs_table_t static_functions[] = {')
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for info in table:
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print(' NAME_FUNC_OFFSET(%5u, %s, %s, %s, %d),' % info)
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print(' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)')
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print('};')
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return
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def _parser():
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"""Parse arguments and return a namepsace."""
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parser = argparse.ArgumentParser()
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parser.add_argument('-f', '--filename',
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default='gl_API.xml',
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metavar="input_file_name",
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dest='file_name',
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help="Path to an XML description of OpenGL API.")
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parser.add_argument('-c', '--es-version',
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dest='es',
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action="store_true",
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help="filter functions for es")
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return parser.parse_args()
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def main():
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"""Main function."""
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args = _parser()
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api = gl_XML.parse_GL_API(args.file_name, glX_XML.glx_item_factory())
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PrintGlProcs(args.es).Print(api)
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if __name__ == '__main__':
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main()
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