--- /dev/null
+#!/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 '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):
+ pass
+
+ 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:
+ 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.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()))
+ out('variable_data += {0};'.format(p.size_string(False)))
+ self.print_sync_call(func)
+ 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_terms.append(p.size_string())
+ out('size_t cmd_size = {0};'.format(' + '.join(size_terms)))
+ out('{0} *cmd;'.format(struct))
+
+ out('debug_print_marshal("{0}");'.format(func.name))
+
+ 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)
--- /dev/null
+#!/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 getopt
+import gl_XML
+import license
+import marshal_XML
+import sys
+
+
+header = """
+#ifndef MARSHAL_GENERATABLE_H
+#define MARSHAL_GENERATABLE_H
+"""
+
+footer = """
+#endif /* MARSHAL_GENERATABLE_H */
+"""
+
+
+class PrintCode(gl_XML.gl_print_base):
+ def __init__(self):
+ super(PrintCode, self).__init__()
+
+ self.name = 'gl_marshal_h.py'
+ self.license = license.bsd_license_template % (
+ 'Copyright (C) 2012 Intel Corporation', 'INTEL CORPORATION')
+
+ def printRealHeader(self):
+ print header
+
+ def printRealFooter(self):
+ print footer
+
+ def printBody(self, api):
+ print 'enum marshal_dispatch_cmd_id'
+ print '{'
+ for func in api.functionIterateAll():
+ flavor = func.marshal_flavor()
+ if flavor in ('skip', 'sync'):
+ continue
+ print ' DISPATCH_CMD_{0},'.format(func.name)
+ print '};'
+
+
+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)
--- /dev/null
+#!/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.
+
+# marshal_XML.py: factory for interpreting XML for the purpose of
+# building thread marshalling code.
+
+import gl_XML
+
+
+class marshal_item_factory(gl_XML.gl_item_factory):
+ """Factory to create objects derived from gl_item containing
+ information necessary to generate thread marshalling code."""
+
+ def create_function(self, element, context):
+ return marshal_function(element, context)
+
+
+class marshal_function(gl_XML.gl_function):
+ def process_element(self, element):
+ # Do normal processing.
+ super(marshal_function, self).process_element(element)
+
+ # Only do further processing when we see the canonical
+ # function name.
+ if element.get('name') != self.name:
+ return
+
+ # Classify fixed and variable parameters.
+ self.fixed_params = []
+ self.variable_params = []
+ for p in self.parameters:
+ if p.is_padding:
+ continue
+ if p.is_variable_length():
+ self.variable_params.append(p)
+ else:
+ self.fixed_params.append(p)
+
+ # Store the "marshal" attribute, if present.
+ self.marshal = element.get('marshal')
+
+ def marshal_flavor(self):
+ """Find out how this function should be marshalled between
+ client and server threads."""
+ # If a "marshal" attribute was present, that overrides any
+ # determination that would otherwise be made by this function.
+ if self.marshal != None:
+ if self.marshal == 'draw':
+ # TODO: as a temporary measure, do draw functions
+ # synchronously, since they may access client memory
+ # via vertex attribute pointers.
+ return 'sync'
+ return self.marshal
+
+ if self.exec_flavor == 'skip':
+ # Functions marked exec="skip" are not yet implemented in
+ # Mesa, so don't bother trying to marshal them.
+ return 'skip'
+
+ if self.return_type != 'void':
+ return 'sync'
+ for p in self.parameters:
+ if p.is_output:
+ return 'sync'
+ if p.is_pointer() and not (p.count or p.counter):
+ return 'sync'
+ if p.count_parameter_list:
+ # Parameter size is determined by enums; haven't
+ # written logic to handle this yet. TODO: fix.
+ return 'sync'
+ if p.img_null_flag:
+ # Caller is allowed to pass NULL for this parameter;
+ # haven't written logic to handle this yet. TODO:
+ # fix.
+ return 'sync'
+ return 'async'
projects / mesa.git / commitdiff