blob: 00327b75bfe9f4727f56abd04c2bf0c8a659368d [file] [log] [blame]
#!/usr/bin/env python3
#
# VK
#
# Copyright (C) 2014 LunarG, Inc.
#
# 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 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.
#
# Authors:
# Chia-I Wu <olv@lunarg.com>
import sys
import vulkan
def generate_get_proc_addr_check(name):
return " if (!%s || %s[0] != 'v' || %s[1] != 'k')\n" \
" return NULL;" % ((name,) * 3)
class Subcommand(object):
def __init__(self, argv):
self.argv = argv
self.headers = vulkan.headers
self.protos = vulkan.protos
def run(self):
print(self.generate())
def generate(self):
copyright = self.generate_copyright()
header = self.generate_header()
body = self.generate_body()
footer = self.generate_footer()
contents = []
if copyright:
contents.append(copyright)
if header:
contents.append(header)
if body:
contents.append(body)
if footer:
contents.append(footer)
return "\n\n".join(contents)
def generate_copyright(self):
return """/* THIS FILE IS GENERATED. DO NOT EDIT. */
/*
* Vulkan
*
* Copyright (C) 2014 LunarG, Inc.
*
* 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 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.
*/"""
def generate_header(self):
return "\n".join(["#include <" + h + ">" for h in self.headers])
def generate_body(self):
pass
def generate_footer(self):
pass
class DispatchTableOpsSubcommand(Subcommand):
def run(self):
if len(self.argv) != 1:
print("DispatchTableOpsSubcommand: <prefix> unspecified")
return
self.prefix = self.argv[0]
super().run()
def generate_header(self):
return "\n".join(["#include <vulkan.h>",
"#include <vkLayer.h>",
"#include <string.h>"])
def _generate_init(self):
stmts = []
for proto in self.protos:
if proto.name != "GetGlobalExtensionInfo":
stmts.append("table->%s = (PFN_vk%s) gpa(gpu, \"vk%s\");" %
(proto.name, proto.name, proto.name))
else:
stmts.append("table->%s = vk%s; /* non-dispatchable */" %
(proto.name, proto.name))
func = []
func.append("static inline void %s_initialize_dispatch_table(VkLayerDispatchTable *table,"
% self.prefix)
func.append("%s PFN_vkGetProcAddr gpa,"
% (" " * len(self.prefix)))
func.append("%s VkPhysicalDevice gpu)"
% (" " * len(self.prefix)))
func.append("{")
func.append(" %s" % "\n ".join(stmts))
func.append("}")
return "\n".join(func)
def _generate_lookup(self):
lookups = []
for proto in self.protos:
if proto.name != "GetGlobalExtensionInfo":
lookups.append("if (!strcmp(name, \"%s\"))" % (proto.name))
lookups.append(" return (void *) table->%s;"
% (proto.name))
func = []
func.append("static inline void *%s_lookup_dispatch_table(const VkLayerDispatchTable *table,"
% self.prefix)
func.append("%s const char *name)"
% (" " * len(self.prefix)))
func.append("{")
func.append(generate_get_proc_addr_check("name"))
func.append("")
func.append(" name += 2;")
func.append(" %s" % "\n ".join(lookups))
func.append("")
func.append(" return NULL;")
func.append("}")
return "\n".join(func)
def generate_body(self):
body = [self._generate_init(),
self._generate_lookup()]
return "\n\n".join(body)
class IcdDummyEntrypointsSubcommand(Subcommand):
def run(self):
if len(self.argv) == 1:
self.prefix = self.argv[0]
self.qual = "static"
else:
self.prefix = "vk"
self.qual = "ICD_EXPORT"
super().run()
def generate_header(self):
return "#include \"icd.h\""
def _generate_stub_decl(self, proto):
return proto.c_pretty_decl(self.prefix + proto.name, attr="VKAPI")
def _generate_stubs(self):
stubs = []
for proto in self.protos:
decl = self._generate_stub_decl(proto)
if proto.ret != "void":
stmt = " return VK_ERROR_UNKNOWN;\n"
else:
stmt = ""
stubs.append("%s %s\n{\n%s}" % (self.qual, decl, stmt))
return "\n\n".join(stubs)
def generate_body(self):
return self._generate_stubs()
class IcdGetProcAddrSubcommand(IcdDummyEntrypointsSubcommand):
def generate_header(self):
return "\n".join(["#include <string.h>", "#include \"icd.h\""])
def generate_body(self):
for proto in self.protos:
if proto.name == "GetProcAddr":
gpa_proto = proto
if proto.name == "GetInstanceProcAddr":
gpa_instance_proto = proto
gpa_instance_decl = self._generate_stub_decl(gpa_instance_proto)
gpa_decl = self._generate_stub_decl(gpa_proto)
gpa_pname = gpa_proto.params[-1].name
lookups = []
for proto in self.protos:
lookups.append("if (!strcmp(%s, \"%s\"))" %
(gpa_pname, proto.name))
lookups.append(" return (%s) %s%s;" %
(gpa_proto.ret, self.prefix, proto.name))
body = []
body.append("%s %s" % (self.qual, gpa_instance_decl))
body.append("{")
body.append(" return NULL;")
body.append("}")
body.append("")
body.append("%s %s" % (self.qual, gpa_decl))
body.append("{")
body.append(generate_get_proc_addr_check(gpa_pname))
body.append("")
body.append(" %s += 2;" % gpa_pname)
body.append(" %s" % "\n ".join(lookups))
body.append("")
body.append(" return NULL;")
body.append("}")
return "\n".join(body)
class LayerInterceptProcSubcommand(Subcommand):
def run(self):
self.prefix = "vk"
# we could get the list from argv if wanted
self.intercepted = [proto.name for proto in self.protos
if proto.name not in ["EnumeratePhysicalDevices", "GetInstanceProcAddr"]]
for proto in self.protos:
if proto.name == "GetProcAddr":
self.gpa = proto
super().run()
def generate_header(self):
return "\n".join(["#include <string.h>", "#include \"vkLayer.h\""])
def generate_body(self):
lookups = []
for proto in self.protos:
if proto.name not in self.intercepted:
lookups.append("/* no %s%s */" % (self.prefix, proto.name))
continue
lookups.append("if (!strcmp(name, \"%s\"))" % proto.name)
lookups.append(" return (%s) %s%s;" %
(self.gpa.ret, self.prefix, proto.name))
body = []
body.append("static inline %s layer_intercept_proc(const char *name)" %
self.gpa.ret)
body.append("{")
body.append(generate_get_proc_addr_check("name"))
body.append("")
body.append(" name += 2;")
body.append(" %s" % "\n ".join(lookups))
body.append("")
body.append(" return NULL;")
body.append("}")
return "\n".join(body)
class WinDefFileSubcommand(Subcommand):
def run(self):
library_exports = {
"all": [],
"icd": [
"EnumeratePhysicalDevices",
"CreateInstance",
"DestroyInstance",
"GetProcAddr",
],
"layer": [
"GetProcAddr",
"EnumerateLayers",
"GetGlobalExtensionInfo",
],
}
if len(self.argv) != 2 or self.argv[1] not in library_exports:
print("WinDefFileSubcommand: <library-name> {%s}" %
"|".join(library_exports.keys()))
return
self.library = self.argv[0]
self.exports = library_exports[self.argv[1]]
super().run()
def generate_copyright(self):
return """; THIS FILE IS GENERATED. DO NOT EDIT.
;;;; Begin Copyright Notice ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Vulkan
;
; Copyright (C) 2015 LunarG, Inc.
;
; 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 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.
;;;; End Copyright Notice ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"""
def generate_header(self):
return "; The following is required on Windows, for exporting symbols from the DLL"
def generate_body(self):
body = []
body.append("LIBRARY " + self.library)
body.append("EXPORTS")
for proto in self.protos:
if self.exports and proto.name not in self.exports:
continue
body.append(" vk" + proto.name)
return "\n".join(body)
def main():
subcommands = {
"dispatch-table-ops": DispatchTableOpsSubcommand,
"icd-dummy-entrypoints": IcdDummyEntrypointsSubcommand,
"icd-get-proc-addr": IcdGetProcAddrSubcommand,
"layer-intercept-proc": LayerInterceptProcSubcommand,
"win-def-file": WinDefFileSubcommand,
}
if len(sys.argv) < 2 or sys.argv[1] not in subcommands:
print("Usage: %s <subcommand> [options]" % sys.argv[0])
print
print("Available sucommands are: %s" % " ".join(subcommands))
exit(1)
subcmd = subcommands[sys.argv[1]](sys.argv[2:])
subcmd.run()
if __name__ == "__main__":
main()