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| #!/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 license |
| import gl_XML, glX_XML |
| import sys, getopt |
| |
| class PrintGlProcs(gl_XML.gl_print_base): |
| def __init__(self, long_strings, es=False): |
| gl_XML.gl_print_base.__init__(self) |
| |
| self.es = es |
| 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.offset)) |
| |
| # 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.offset)) |
| else: |
| table.append((base_offset, "gl" + name, "gl" + name, "NULL", func.offset)) |
| |
| 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 '#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 '%s GLAPIENTRY gl_dispatch_stub_%u(%s);' % (func.return_type, func.offset, func.get_parameter_string()) |
| break |
| |
| if self.es: |
| categories = {} |
| for func in api.functionIterateByOffset(): |
| for n in func.entry_points: |
| cat, num = api.get_category_for_name(n) |
| if (cat.startswith("es") or cat.startswith("GL_OES")): |
| if not categories.has_key(cat): |
| categories[cat] = [] |
| proto = 'GLAPI %s GLAPIENTRY %s(%s);' \ |
| % (func.return_type, "gl" + n, func.get_parameter_string(n)) |
| categories[cat].append(proto) |
| if categories: |
| print '' |
| print '/* OpenGL ES specific prototypes */' |
| print '' |
| keys = categories.keys() |
| keys.sort() |
| for key in keys: |
| print '/* category %s */' % key |
| print "\n".join(categories[key]) |
| print '' |
| |
| 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, %d),' % info |
| |
| print ' NAME_FUNC_OFFSET(-1, NULL, NULL, NULL, 0)' |
| print '};' |
| return |
| |
| |
| def show_usage(): |
| print "Usage: %s [-f input_file_name] [-m mode] [-c]" % sys.argv[0] |
| print "-c Enable compatibility with OpenGL ES." |
| print "-m mode 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:c") |
| except Exception,e: |
| show_usage() |
| |
| long_string = 1 |
| es = False |
| 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() |
| elif arg == "-c": |
| es = True |
| |
| api = gl_XML.parse_GL_API(file_name, glX_XML.glx_item_factory()) |
| printer = PrintGlProcs(long_string, es) |
| printer.Print(api) |