diff options
Diffstat (limited to 'mesalib/src/mapi/glapi/gen/gl_genexec.py')
| -rw-r--r-- | mesalib/src/mapi/glapi/gen/gl_genexec.py | 90 |
1 files changed, 61 insertions, 29 deletions
diff --git a/mesalib/src/mapi/glapi/gen/gl_genexec.py b/mesalib/src/mapi/glapi/gen/gl_genexec.py index 4e76fe3c2..26d8e7bfb 100644 --- a/mesalib/src/mapi/glapi/gen/gl_genexec.py +++ b/mesalib/src/mapi/glapi/gen/gl_genexec.py @@ -25,10 +25,12 @@ # _mesa_initialize_exec_table(). It is responsible for populating all # entries in the "exec" dispatch table that aren't dynamic. +import argparse import collections import license import gl_XML -import sys, getopt +import sys +import apiexec exec_flavor_map = { @@ -175,18 +177,49 @@ class PrintCode(gl_XML.gl_print_base): raise Exception( 'Unrecognized exec flavor {0!r}'.format(f.exec_flavor)) condition_parts = [] - if f.desktop: - if f.deprecated: + if f.name in apiexec.functions: + ex = apiexec.functions[f.name] + unconditional_count = 0 + + if ex.compatibility is not None: condition_parts.append('ctx->API == API_OPENGL_COMPAT') - else: - condition_parts.append('_mesa_is_desktop_gl(ctx)') - if 'es1' in f.api_map: - condition_parts.append('ctx->API == API_OPENGLES') - if 'es2' in f.api_map: - if f.api_map['es2'] > 2.0: - condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(int(f.api_map['es2'] * 10))) - else: - condition_parts.append('ctx->API == API_OPENGLES2') + unconditional_count += 1 + + if ex.core is not None: + condition_parts.append('ctx->API == API_OPENGL_CORE') + unconditional_count += 1 + + if ex.es1 is not None: + condition_parts.append('ctx->API == API_OPENGLES') + unconditional_count += 1 + + if ex.es2 is not None: + if ex.es2 > 20: + condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(ex.es2)) + else: + condition_parts.append('ctx->API == API_OPENGLES2') + unconditional_count += 1 + + # If the function is unconditionally available in all four + # APIs, then it is always available. Replace the complex + # tautology condition with "true" and let GCC do the right + # thing. + if unconditional_count == 4: + condition_parts = ['true'] + else: + if f.desktop: + if f.deprecated: + condition_parts.append('ctx->API == API_OPENGL_COMPAT') + else: + condition_parts.append('_mesa_is_desktop_gl(ctx)') + if 'es1' in f.api_map: + condition_parts.append('ctx->API == API_OPENGLES') + if 'es2' in f.api_map: + if f.api_map['es2'] > 2.0: + condition_parts.append('(ctx->API == API_OPENGLES2 && ctx->Version >= {0})'.format(int(f.api_map['es2'] * 10))) + else: + condition_parts.append('ctx->API == API_OPENGLES2') + if not condition_parts: # This function does not exist in any API. continue @@ -207,24 +240,23 @@ class PrintCode(gl_XML.gl_print_base): print ' }' -def show_usage(): - print "Usage: %s [-f input_file_name]" % sys.argv[0] - sys.exit(1) - +def _parser(): + """Parse arguments and return namespace.""" + parser = argparse.ArgumentParser() + parser.add_argument('-f', + dest='filename', + default='gl_and_es_API.xml', + help='an xml file describing an API') + return parser.parse_args() -if __name__ == '__main__': - file_name = "gl_and_es_API.xml" - - try: - (args, trail) = getopt.getopt(sys.argv[1:], "m:f:") - except Exception,e: - show_usage() - - for (arg,val) in args: - if arg == "-f": - file_name = val +def main(): + """Main function.""" + args = _parser() printer = PrintCode() - - api = gl_XML.parse_GL_API(file_name) + api = gl_XML.parse_GL_API(args.filename) printer.Print(api) + + +if __name__ == '__main__': + main() |