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Diffstat (limited to 'src/mesa/glapi/gl_procs.py')
| -rw-r--r-- | src/mesa/glapi/gl_procs.py | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/src/mesa/glapi/gl_procs.py b/src/mesa/glapi/gl_procs.py new file mode 100644 index 00000000000..96e59a58ca1 --- /dev/null +++ b/src/mesa/glapi/gl_procs.py @@ -0,0 +1,189 @@ +#!/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 <[email protected]> + +import license +import gl_XML, glX_XML +import sys, getopt + +class PrintGlProcs(gl_XML.gl_print_base): + def __init__(self, long_strings): + gl_XML.gl_print_base.__init__(self) + + self.long_strings = long_strings + self.name = "gl_procs.py (from Mesa)" + self.license = license.bsd_license_template % ( \ +"""Copyright (C) 1999-2001 Brian Paul All Rights Reserved. +(C) Copyright IBM Corporation 2004, 2006""", "BRIAN PAUL, IBM") + + + def printRealHeader(self): + print """ +/* This file is only included by glapi.c and is used for + * the GetProcAddress() function + */ + +typedef struct { + GLint Name_offset; +#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING) + _glapi_proc Address; +#endif + GLuint Offset; +} glprocs_table_t; + +#if !defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING) +# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , o } +#elif defined(NEED_FUNCTION_POINTER) && !defined(GLX_INDIRECT_RENDERING) +# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f1 , o } +#elif defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING) +# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f2 , o } +#elif !defined(NEED_FUNCTION_POINTER) && defined(GLX_INDIRECT_RENDERING) +# define NAME_FUNC_OFFSET(n,f1,f2,f3,o) { n , (_glapi_proc) f3 , o } +#endif + +""" + return + + def printRealFooter(self): + print '' + print '#undef NAME_FUNC_OFFSET' + return + + def printFunctionString(self, name): + if self.long_strings: + print ' "gl%s\\0"' % (name) + else: + print " 'g','l',", + for c in name: + print "'%s'," % (c), + + print "'\\0'," + + + def printBody(self, api): + print '' + if self.long_strings: + print 'static const char gl_string_table[] =' + else: + print 'static const char gl_string_table[] = {' + + base_offset = 0 + table = [] + for func in api.functionIterateByOffset(): + name = func.dispatch_name() + self.printFunctionString(func.name) + table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.name)) + + # The length of the function's name, plus 2 for "gl", + # plus 1 for the NUL. + + base_offset += len(func.name) + 3 + + + for func in api.functionIterateByOffset(): + for n in func.entry_points: + if n != func.name: + name = func.dispatch_name() + self.printFunctionString( n ) + + if func.has_different_protocol(n): + alt_name = "gl" + func.static_glx_name(n) + table.append((base_offset, "gl" + name, alt_name, alt_name, func.name)) + else: + table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.name)) + + base_offset += len(n) + 3 + + + if self.long_strings: + print ' ;' + else: + print '};' + + print '' + print '' + print "#ifdef USE_MGL_NAMESPACE" + for func in api.functionIterateByOffset(): + for n in func.entry_points: + if (not func.is_static_entry_point(func.name)) or (func.has_different_protocol(n) and not func.is_static_entry_point(n)): + print '#define gl_dispatch_stub_%u mgl_dispatch_stub_%u' % (func.offset, func.offset) + break + print "#endif /* USE_MGL_NAMESPACE */" + print '' + print '' + print '/* FIXME: Having these (incorrect) prototypes here is ugly. */' + print '#if defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING)' + for func in api.functionIterateByOffset(): + for n in func.entry_points: + if (not func.is_static_entry_point(func.name)) or (func.has_different_protocol(n) and not func.is_static_entry_point(n)): + print 'extern void gl_dispatch_stub_%u(void);' % (func.offset) + break + + print '#endif /* defined(NEED_FUNCTION_POINTER) || defined(GLX_INDIRECT_RENDERING) */' + + print '' + print 'static const glprocs_table_t static_functions[] = {' + + for info in table: + print ' NAME_FUNC_OFFSET(%5u, %s, %s, %s, _gloffset_%s),' % info + + print ' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)' + print '};' + return + + +def show_usage(): + print "Usage: %s [-f input_file_name] [-m mode]" % sys.argv[0] + print "mode can be one of:" + print " long - Create code for compilers that can handle very" + print " long string constants. (default)" + print " short - Create code for compilers that can only handle" + print " ANSI C89 string constants." + 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() + + long_string = 1 + for (arg,val) in args: + if arg == "-f": + file_name = val + elif arg == "-m": + if val == "short": + long_string = 0 + elif val == "long": + long_string = 1 + else: + show_usage() + + api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory()) + printer = PrintGlProcs(long_string) + printer.Print(api) |