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| #!/usr/bin/python2 |
| |
| # (C) Copyright IBM Corporation 2004 |
| # 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 |
| |
| class PrintGlTable(gl_XML.gl_print_base): |
| def __init__(self, es=False): |
| gl_XML.gl_print_base.__init__(self) |
| |
| self.es = es |
| self.header_tag = '_GLAPI_TABLE_H_' |
| self.name = "gl_table.py (from Mesa)" |
| self.license = license.bsd_license_template % ( \ |
| """Copyright (C) 1999-2003 Brian Paul All Rights Reserved. |
| (C) Copyright IBM Corporation 2004""", "BRIAN PAUL, IBM") |
| self.ifdef_emitted = False; |
| return |
| |
| |
| def printBody(self, api): |
| for f in api.functionIterateByOffset(): |
| if not f.is_abi() and not self.ifdef_emitted: |
| print '#if !defined HAVE_SHARED_GLAPI' |
| self.ifdef_emitted = True |
| arg_string = f.get_parameter_string() |
| print ' %s (GLAPIENTRYP %s)(%s); /* %d */' % (f.return_type, f.name, arg_string, f.offset) |
| |
| print '#endif /* !defined HAVE_SHARED_GLAPI */' |
| |
| |
| def printRealHeader(self): |
| print '#ifndef GLAPIENTRYP' |
| print '# ifndef GLAPIENTRY' |
| print '# define GLAPIENTRY' |
| print '# endif' |
| print '' |
| print '# define GLAPIENTRYP GLAPIENTRY *' |
| print '#endif' |
| print '' |
| print '' |
| print 'struct _glapi_table' |
| print '{' |
| return |
| |
| |
| def printRealFooter(self): |
| print '};' |
| return |
| |
| |
| class PrintRemapTable(gl_XML.gl_print_base): |
| def __init__(self, es=False): |
| gl_XML.gl_print_base.__init__(self) |
| |
| self.es = es |
| self.header_tag = '_DISPATCH_H_' |
| self.name = "gl_table.py (from Mesa)" |
| self.license = license.bsd_license_template % ("(C) Copyright IBM Corporation 2005", "IBM") |
| return |
| |
| |
| def printRealHeader(self): |
| print """ |
| /** |
| * \\file main/dispatch.h |
| * Macros for handling GL dispatch tables. |
| * |
| * For each known GL function, there are 3 macros in this file. The first |
| * macro is named CALL_FuncName and is used to call that GL function using |
| * the specified dispatch table. The other 2 macros, called GET_FuncName |
| * can SET_FuncName, are used to get and set the dispatch pointer for the |
| * named function in the specified dispatch table. |
| */ |
| """ |
| return |
| |
| def printBody(self, api): |
| print '#define CALL_by_offset(disp, cast, offset, parameters) \\' |
| print ' (*(cast (GET_by_offset(disp, offset)))) parameters' |
| print '#define GET_by_offset(disp, offset) \\' |
| print ' (offset >= 0) ? (((_glapi_proc *)(disp))[offset]) : NULL' |
| print '#define SET_by_offset(disp, offset, fn) \\' |
| print ' do { \\' |
| print ' if ( (offset) < 0 ) { \\' |
| print ' /* fprintf( stderr, "[%s:%u] SET_by_offset(%p, %d, %s)!\\n", */ \\' |
| print ' /* __func__, __LINE__, disp, offset, # fn); */ \\' |
| print ' /* abort(); */ \\' |
| print ' } \\' |
| print ' else { \\' |
| print ' ( (_glapi_proc *) (disp) )[offset] = (_glapi_proc) fn; \\' |
| print ' } \\' |
| print ' } while(0)' |
| print '' |
| |
| functions = [] |
| abi_functions = [] |
| alias_functions = [] |
| count = 0 |
| for f in api.functionIterateByOffset(): |
| if not f.is_abi(): |
| functions.append( [f, count] ) |
| count += 1 |
| else: |
| abi_functions.append( [f, -1] ) |
| |
| if self.es: |
| # remember functions with aliases |
| if len(f.entry_points) > 1: |
| alias_functions.append(f) |
| |
| print '/* total number of offsets below */' |
| print '#define _gloffset_COUNT %d' % (len(abi_functions + functions)) |
| print '' |
| |
| for f, index in abi_functions: |
| print '#define _gloffset_%s %d' % (f.name, f.offset) |
| |
| if self.es: |
| remap_table = "esLocalRemapTable" |
| |
| print '#define %s_size %u' % (remap_table, count) |
| print 'static int %s[ %s_size ];' % (remap_table, remap_table) |
| print '' |
| else: |
| remap_table = "driDispatchRemapTable" |
| |
| print '#define %s_size %u' % (remap_table, count) |
| print 'extern int %s[ %s_size ];' % (remap_table, remap_table) |
| print '' |
| |
| for f, index in functions: |
| print '#define %s_remap_index %u' % (f.name, index) |
| |
| print '' |
| |
| for f, index in functions: |
| print '#define _gloffset_%s %s[%s_remap_index]' % (f.name, remap_table, f.name) |
| |
| print '' |
| |
| for f, index in abi_functions + functions: |
| arg_string = gl_XML.create_parameter_string( f.parameters, 0 ) |
| |
| print 'typedef %s (GLAPIENTRYP _glptr_%s)(%s);' % (f.return_type, f.name, arg_string) |
| print '#define CALL_%s(disp, parameters) \\' % (f.name) |
| print ' (* GET_%s(disp)) parameters' % (f.name) |
| print 'static inline _glptr_%s GET_%s(struct _glapi_table *disp) {' % (f.name, f.name) |
| print ' return (_glptr_%s) (GET_by_offset(disp, _gloffset_%s));' % (f.name, f.name) |
| print '}' |
| print |
| print 'static inline void SET_%s(struct _glapi_table *disp, %s (GLAPIENTRYP fn)(%s)) {' % (f.name, f.return_type, arg_string) |
| print ' SET_by_offset(disp, _gloffset_%s, fn);' % (f.name) |
| print '}' |
| print |
| |
| if alias_functions: |
| print '' |
| print '/* define aliases for compatibility */' |
| for f in alias_functions: |
| for name in f.entry_points: |
| if name != f.name: |
| print '#define CALL_%s(disp, parameters) CALL_%s(disp, parameters)' % (name, f.name) |
| print '#define GET_%s(disp) GET_%s(disp)' % (name, f.name) |
| print '#define SET_%s(disp, fn) SET_%s(disp, fn)' % (name, f.name) |
| print '' |
| |
| for f in alias_functions: |
| for name in f.entry_points: |
| if name != f.name: |
| print '#define %s_remap_index %s_remap_index' % (name, f.name) |
| print '' |
| |
| return |
| |
| |
| def show_usage(): |
| print "Usage: %s [-f input_file_name] [-m mode] [-c ver]" % sys.argv[0] |
| print " -m mode Mode can be 'table' or 'remap_table'." |
| print " -c ver Version can be 'es1' or 'es2'." |
| 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() |
| |
| mode = "table" |
| es = None |
| for (arg,val) in args: |
| if arg == "-f": |
| file_name = val |
| elif arg == "-m": |
| mode = val |
| elif arg == "-c": |
| es = val |
| |
| if mode == "table": |
| printer = PrintGlTable(es) |
| elif mode == "remap_table": |
| printer = PrintRemapTable(es) |
| else: |
| show_usage() |
| |
| api = gl_XML.parse_GL_API( file_name ) |
| |
| if es is not None: |
| api.filter_functions_by_api(es) |
| |
| printer.Print( api ) |