| |
| # (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> |
| |
| from __future__ import print_function |
| |
| import argparse |
| |
| import license |
| import gl_XML |
| import glX_XML |
| |
| |
| class PrintGlProcs(gl_XML.gl_print_base): |
| def __init__(self, es=False): |
| gl_XML.gl_print_base.__init__(self) |
| |
| self.es = es |
| 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): |
| print(' "gl%s\\0"' % (name)) |
| |
| def printBody(self, api): |
| print('') |
| 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 |
| |
| |
| 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 cat not in categories: |
| 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 = sorted(categories.keys()) |
| 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 _parser(): |
| """Parse arguments and return a namepsace.""" |
| |
| parser = argparse.ArgumentParser() |
| parser.add_argument('-f', '--filename', |
| default='gl_API.xml', |
| metavar="input_file_name", |
| dest='file_name', |
| help="Path to an XML description of OpenGL API.") |
| parser.add_argument('-c', '--es-version', |
| dest='es', |
| action="store_true", |
| help="filter functions for es") |
| return parser.parse_args() |
| |
| |
| def main(): |
| """Main function.""" |
| args = _parser() |
| api = gl_XML.parse_GL_API(args.file_name, glX_XML.glx_item_factory()) |
| PrintGlProcs(args.es).Print(api) |
| |
| |
| if __name__ == '__main__': |
| main() |