356 lines
13 KiB
Python
356 lines
13 KiB
Python
#!/usr/bin/env python
|
|
|
|
# Copyright (C) 2012 Intel Corporation
|
|
#
|
|
# 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
|
|
# the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
# 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 NONINFRINGEMENT. IN NO EVENT SHALL
|
|
# THE AUTHORS OR COPYRIGHT HOLDERS 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.
|
|
|
|
import contextlib
|
|
import getopt
|
|
import gl_XML
|
|
import license
|
|
import marshal_XML
|
|
import sys
|
|
|
|
header = """
|
|
#include "api_exec.h"
|
|
#include "context.h"
|
|
#include "dispatch.h"
|
|
#include "glthread.h"
|
|
#include "marshal.h"
|
|
#include "marshal_generated.h"
|
|
"""
|
|
|
|
|
|
current_indent = 0
|
|
|
|
|
|
def out(str):
|
|
if str:
|
|
print ' '*current_indent + str
|
|
else:
|
|
print ''
|
|
|
|
|
|
@contextlib.contextmanager
|
|
def indent(delta = 3):
|
|
global current_indent
|
|
current_indent += delta
|
|
yield
|
|
current_indent -= delta
|
|
|
|
|
|
class PrintCode(gl_XML.gl_print_base):
|
|
def __init__(self):
|
|
super(PrintCode, self).__init__()
|
|
|
|
self.name = 'gl_marshal.py'
|
|
self.license = license.bsd_license_template % (
|
|
'Copyright (C) 2012 Intel Corporation', 'INTEL CORPORATION')
|
|
|
|
def printRealHeader(self):
|
|
print header
|
|
print '#include <X11/Xlib-xcb.h>'
|
|
print
|
|
print '#ifdef HAVE_PTHREAD'
|
|
print
|
|
print 'static _X_INLINE int safe_mul(int a, int b)'
|
|
print '{'
|
|
print ' if (a < 0 || b < 0) return -1;'
|
|
print ' if (a == 0 || b == 0) return 0;'
|
|
print ' if (a > INT_MAX / b) return -1;'
|
|
print ' return a * b;'
|
|
print '}'
|
|
print
|
|
|
|
def printRealFooter(self):
|
|
print
|
|
print '#endif'
|
|
|
|
def print_sync_call(self, func):
|
|
call = 'CALL_{0}(ctx->CurrentServerDispatch, ({1}))'.format(
|
|
func.name, func.get_called_parameter_string())
|
|
if func.return_type == 'void':
|
|
out('{0};'.format(call))
|
|
else:
|
|
out('return {0};'.format(call))
|
|
|
|
def print_sync_dispatch(self, func):
|
|
out('_mesa_glthread_finish(ctx);')
|
|
self.print_sync_call(func)
|
|
|
|
def print_sync_body(self, func):
|
|
out('/* {0}: marshalled synchronously */'.format(func.name))
|
|
out('static {0} GLAPIENTRY'.format(func.return_type))
|
|
out('_mesa_marshal_{0}({1})'.format(func.name, func.get_parameter_string()))
|
|
out('{')
|
|
with indent():
|
|
out('GET_CURRENT_CONTEXT(ctx);')
|
|
out('_mesa_glthread_finish(ctx);')
|
|
out('debug_print_sync("{0}");'.format(func.name))
|
|
self.print_sync_call(func)
|
|
out('}')
|
|
out('')
|
|
out('')
|
|
|
|
def print_async_dispatch(self, func):
|
|
out('cmd = _mesa_glthread_allocate_command(ctx, '
|
|
'DISPATCH_CMD_{0}, cmd_size);'.format(func.name))
|
|
for p in func.fixed_params:
|
|
if p.count:
|
|
out('memcpy(cmd->{0}, {0}, {1});'.format(
|
|
p.name, p.size_string()))
|
|
else:
|
|
out('cmd->{0} = {0};'.format(p.name))
|
|
if func.variable_params:
|
|
out('char *variable_data = (char *) (cmd + 1);')
|
|
for p in func.variable_params:
|
|
if p.img_null_flag:
|
|
out('cmd->{0}_null = !{0};'.format(p.name))
|
|
out('if (!cmd->{0}_null) {{'.format(p.name))
|
|
with indent():
|
|
out(('memcpy(variable_data, {0}, {1});').format(
|
|
p.name, p.size_string(False)))
|
|
out('variable_data += {0};'.format(
|
|
p.size_string(False)))
|
|
out('}')
|
|
else:
|
|
out(('memcpy(variable_data, {0}, {1});').format(
|
|
p.name, p.size_string(False)))
|
|
out('variable_data += {0};'.format(
|
|
p.size_string(False)))
|
|
|
|
if not func.fixed_params and not func.variable_params:
|
|
out('(void) cmd;\n')
|
|
out('_mesa_post_marshal_hook(ctx);')
|
|
|
|
def print_async_struct(self, func):
|
|
out('struct marshal_cmd_{0}'.format(func.name))
|
|
out('{')
|
|
with indent():
|
|
out('struct marshal_cmd_base cmd_base;')
|
|
for p in func.fixed_params:
|
|
if p.count:
|
|
out('{0} {1}[{2}];'.format(
|
|
p.get_base_type_string(), p.name, p.count))
|
|
else:
|
|
out('{0} {1};'.format(p.type_string(), p.name))
|
|
|
|
for p in func.variable_params:
|
|
if p.img_null_flag:
|
|
out('bool {0}_null; /* If set, no data follows '
|
|
'for "{0}" */'.format(p.name))
|
|
|
|
for p in func.variable_params:
|
|
if p.count_scale != 1:
|
|
out(('/* Next {0} bytes are '
|
|
'{1} {2}[{3}][{4}] */').format(
|
|
p.size_string(), p.get_base_type_string(),
|
|
p.name, p.counter, p.count_scale))
|
|
else:
|
|
out(('/* Next {0} bytes are '
|
|
'{1} {2}[{3}] */').format(
|
|
p.size_string(), p.get_base_type_string(),
|
|
p.name, p.counter))
|
|
out('};')
|
|
|
|
def print_async_unmarshal(self, func):
|
|
out('static inline void')
|
|
out(('_mesa_unmarshal_{0}(struct gl_context *ctx, '
|
|
'const struct marshal_cmd_{0} *cmd)').format(func.name))
|
|
out('{')
|
|
with indent():
|
|
for p in func.fixed_params:
|
|
if p.count:
|
|
out('const {0} * {1} = cmd->{1};'.format(
|
|
p.get_base_type_string(), p.name))
|
|
else:
|
|
out('const {0} {1} = cmd->{1};'.format(
|
|
p.type_string(), p.name))
|
|
if func.variable_params:
|
|
for p in func.variable_params:
|
|
out('const {0} * {1};'.format(
|
|
p.get_base_type_string(), p.name))
|
|
out('const char *variable_data = (const char *) (cmd + 1);')
|
|
for p in func.variable_params:
|
|
out('{0} = (const {1} *) variable_data;'.format(
|
|
p.name, p.get_base_type_string()))
|
|
|
|
if p.img_null_flag:
|
|
out('if (cmd->{0}_null)'.format(p.name))
|
|
with indent():
|
|
out('{0} = NULL;'.format(p.name))
|
|
out('else')
|
|
with indent():
|
|
out('variable_data += {0};'.format(p.size_string(False)))
|
|
else:
|
|
out('variable_data += {0};'.format(p.size_string(False)))
|
|
|
|
self.print_sync_call(func)
|
|
out('}')
|
|
|
|
def validate_count_or_return(self, func):
|
|
# Check that any counts for variable-length arguments might be < 0, in
|
|
# which case the command alloc or the memcpy would blow up before we
|
|
# get to the validation in Mesa core.
|
|
for p in func.parameters:
|
|
if p.is_variable_length():
|
|
out('if (unlikely({0} < 0)) {{'.format(p.size_string()))
|
|
with indent():
|
|
out('_mesa_glthread_finish(ctx);')
|
|
out('_mesa_error(ctx, GL_INVALID_VALUE, "{0}({1} < 0)");'.format(func.name, p.size_string()))
|
|
out('return;')
|
|
out('}')
|
|
|
|
def print_async_marshal(self, func):
|
|
out('static void GLAPIENTRY')
|
|
out('_mesa_marshal_{0}({1})'.format(
|
|
func.name, func.get_parameter_string()))
|
|
out('{')
|
|
with indent():
|
|
out('GET_CURRENT_CONTEXT(ctx);')
|
|
struct = 'struct marshal_cmd_{0}'.format(func.name)
|
|
size_terms = ['sizeof({0})'.format(struct)]
|
|
for p in func.variable_params:
|
|
size = p.size_string()
|
|
if p.img_null_flag:
|
|
size = '({0} ? {1} : 0)'.format(p.name, size)
|
|
size_terms.append(size)
|
|
out('size_t cmd_size = {0};'.format(' + '.join(size_terms)))
|
|
out('{0} *cmd;'.format(struct))
|
|
|
|
out('debug_print_marshal("{0}");'.format(func.name))
|
|
|
|
self.validate_count_or_return(func)
|
|
|
|
if func.marshal_fail:
|
|
out('if ({0}) {{'.format(func.marshal_fail))
|
|
with indent():
|
|
out('_mesa_glthread_finish(ctx);')
|
|
out('_mesa_glthread_restore_dispatch(ctx);')
|
|
self.print_sync_dispatch(func)
|
|
out('return;')
|
|
out('}')
|
|
|
|
out('if (cmd_size <= MARSHAL_MAX_CMD_SIZE) {')
|
|
with indent():
|
|
self.print_async_dispatch(func)
|
|
out('} else {')
|
|
with indent():
|
|
self.print_sync_dispatch(func)
|
|
out('}')
|
|
|
|
out('}')
|
|
|
|
def print_async_body(self, func):
|
|
out('/* {0}: marshalled asynchronously */'.format(func.name))
|
|
self.print_async_struct(func)
|
|
self.print_async_unmarshal(func)
|
|
self.print_async_marshal(func)
|
|
out('')
|
|
out('')
|
|
|
|
def print_unmarshal_dispatch_cmd(self, api):
|
|
out('size_t')
|
|
out('_mesa_unmarshal_dispatch_cmd(struct gl_context *ctx, '
|
|
'const void *cmd)')
|
|
out('{')
|
|
with indent():
|
|
out('const struct marshal_cmd_base *cmd_base = cmd;')
|
|
out('switch (cmd_base->cmd_id) {')
|
|
for func in api.functionIterateAll():
|
|
flavor = func.marshal_flavor()
|
|
if flavor in ('skip', 'sync'):
|
|
continue
|
|
out('case DISPATCH_CMD_{0}:'.format(func.name))
|
|
with indent():
|
|
out('debug_print_unmarshal("{0}");'.format(func.name))
|
|
out(('_mesa_unmarshal_{0}(ctx, (const struct marshal_cmd_{0} *)'
|
|
' cmd);').format(func.name))
|
|
out('break;')
|
|
out('default:')
|
|
with indent():
|
|
out('assert(!"Unrecognized command ID");')
|
|
out('break;')
|
|
out('}')
|
|
out('')
|
|
out('return cmd_base->cmd_size;')
|
|
out('}')
|
|
out('')
|
|
out('')
|
|
|
|
def print_create_marshal_table(self, api):
|
|
out('struct _glapi_table *')
|
|
out('_mesa_create_marshal_table(const struct gl_context *ctx)')
|
|
out('{')
|
|
with indent():
|
|
out('struct _glapi_table *table;')
|
|
out('')
|
|
out('table = _mesa_alloc_dispatch_table();')
|
|
out('if (table == NULL)')
|
|
with indent():
|
|
out('return NULL;')
|
|
out('')
|
|
for func in api.functionIterateAll():
|
|
if func.marshal_flavor() == 'skip':
|
|
continue
|
|
out('SET_{0}(table, _mesa_marshal_{0});'.format(func.name))
|
|
out('')
|
|
out('return table;')
|
|
out('}')
|
|
out('')
|
|
out('')
|
|
|
|
def printBody(self, api):
|
|
async_funcs = []
|
|
for func in api.functionIterateAll():
|
|
flavor = func.marshal_flavor()
|
|
if flavor in ('skip', 'custom'):
|
|
continue
|
|
elif flavor == 'async':
|
|
self.print_async_body(func)
|
|
async_funcs.append(func)
|
|
elif flavor == 'sync':
|
|
self.print_sync_body(func)
|
|
self.print_unmarshal_dispatch_cmd(api)
|
|
self.print_create_marshal_table(api)
|
|
|
|
|
|
def show_usage():
|
|
print 'Usage: %s [-f input_file_name]' % sys.argv[0]
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
file_name = 'gl_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
|
|
|
|
printer = PrintCode()
|
|
|
|
api = gl_XML.parse_GL_API(file_name, marshal_XML.marshal_item_factory())
|
|
printer.Print(api)
|