281 lines
9.8 KiB
Python
Executable file
281 lines
9.8 KiB
Python
Executable file
#!/usr/bin/env python3
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#
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# Copyright (c) 2015-2016 The Khronos Group Inc.
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# Copyright (c) 2015-2016 Valve Corporation
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# Copyright (c) 2015-2016 LunarG, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# Author: Jon Ashburn <jon@lunarg.com>
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#
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import os, sys
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# add main repo directory so vulkan.py can be imported. This needs to be a complete path.
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ld_path = os.path.dirname(os.path.abspath(__file__))
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main_path = os.path.abspath(ld_path + "/../")
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sys.path.append(main_path)
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import vulkan
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def generate_get_proc_addr_check(name):
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return " if (!%s || %s[0] != 'v' || %s[1] != 'k')\n" \
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" return NULL;" % ((name,) * 3)
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class Subcommand(object):
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def __init__(self, argv):
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self.argv = argv
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self.headers = vulkan.headers
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self.protos = vulkan.protos
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def run(self):
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print(self.generate())
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def _requires_special_trampoline_code(self, name):
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# Don't be cute trying to use a general rule to programmatically populate this list
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# it just obsfucates what is going on!
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wsi_creates_dispatchable_object = ["CreateSwapchainKHR"]
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creates_dispatchable_object = ["CreateDevice", "GetDeviceQueue", "AllocateCommandBuffers"] + wsi_creates_dispatchable_object
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if name in creates_dispatchable_object:
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return True
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else:
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return False
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def _is_loader_non_trampoline_entrypoint(self, proto):
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if proto.name in ["GetDeviceProcAddr", "EnumeratePhysicalDevices", "EnumerateLayers", "DbgRegisterMsgCallback", "DbgUnregisterMsgCallback", "DbgSetGlobalOption", "DestroyInstance"]:
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return True
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return not self.is_dispatchable_object_first_param(proto)
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def is_dispatchable_object_first_param(self, proto):
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in_objs = proto.object_in_params()
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non_dispatch_objs = []
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param0 = proto.params[0]
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return (len(in_objs) > 0) and (in_objs[0].ty == param0.ty) and (param0.ty not in non_dispatch_objs)
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def generate(self):
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copyright = self.generate_copyright()
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header = self.generate_header()
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body = self.generate_body()
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footer = self.generate_footer()
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contents = []
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if copyright:
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contents.append(copyright)
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if header:
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contents.append(header)
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if body:
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contents.append(body)
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if footer:
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contents.append(footer)
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return "\n\n".join(contents)
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def generate_copyright(self):
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return """/* THIS FILE IS GENERATED. DO NOT EDIT. */
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/*
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* Copyright (c) 2015-2016 The Khronos Group Inc.
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* Copyright (c) 2015-2016 Valve Corporation
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* Copyright (c) 2015-2016 LunarG, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Jon Ashburn <jon@lunarg.com>
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* Author: Chia-I Wu <olv@lunarg.com>
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* Author: Courtney Goeltzenleuchter <courtney@lunarg.com>
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*/"""
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def generate_header(self):
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return "\n".join(["#include <" + h + ">" for h in self.headers])
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def generate_body(self):
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pass
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def generate_footer(self):
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pass
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class DispatchTableOpsSubcommand(Subcommand):
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def run(self):
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if len(self.argv) != 1:
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print("DispatchTableOpsSubcommand: <prefix> unspecified")
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return
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self.prefix = self.argv[0]
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super().run()
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def generate_header(self):
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return "\n".join(["#include <vulkan/vulkan.h>",
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"#include <vkLayer.h>",
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"#include <string.h>",
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"#include \"loader_platform.h\""])
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def _generate_init(self, type):
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stmts = []
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func = []
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if type == "device":
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for proto in self.protos:
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if self.is_dispatchable_object_first_param(proto) or proto.name == "CreateInstance":
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stmts.append("table->%s = (PFN_vk%s) gpa(gpu, \"vk%s\");" %
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(proto.name, proto.name, proto.name))
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else:
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stmts.append("table->%s = vk%s; /* non-dispatchable */" %
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(proto.name, proto.name))
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func.append("static inline void %s_init_device_dispatch_table(VkLayerDispatchTable *table,"
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% self.prefix)
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func.append("%s PFN_vkGetDeviceProcAddr gpa,"
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% (" " * len(self.prefix)))
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func.append("%s VkPhysicalDevice gpu)"
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% (" " * len(self.prefix)))
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else:
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for proto in self.protos:
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if proto.params[0].ty != "VkInstance" and proto.params[0].ty != "VkPhysicalDevice":
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continue
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stmts.append("table->%s = vk%s;" % (proto.name, proto.name))
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func.append("static inline void %s_init_instance_dispatch_table(VkLayerInstanceDispatchTable *table)"
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% self.prefix)
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func.append("{")
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func.append(" %s" % "\n ".join(stmts))
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func.append("}")
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return "\n".join(func)
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def _generate_lookup(self):
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lookups = []
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for proto in self.protos:
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if self.is_dispatchable_object_first_param(proto):
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lookups.append("if (!strcmp(name, \"%s\"))" % (proto.name))
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lookups.append(" return (void *) table->%s;"
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% (proto.name))
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func = []
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func.append("static inline void *%s_lookup_dispatch_table(const VkLayerDispatchTable *table,"
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% self.prefix)
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func.append("%s const char *name)"
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% (" " * len(self.prefix)))
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func.append("{")
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func.append(generate_get_proc_addr_check("name"))
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func.append("")
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func.append(" name += 2;")
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func.append(" %s" % "\n ".join(lookups))
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func.append("")
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func.append(" return NULL;")
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func.append("}")
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return "\n".join(func)
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def generate_body(self):
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body = [self._generate_init("device"),
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self._generate_lookup(),
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self._generate_init("instance")]
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return "\n\n".join(body)
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class WinDefFileSubcommand(Subcommand):
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def run(self):
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library_exports = {
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"all": [],
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}
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if len(self.argv) != 2 or self.argv[1] not in library_exports:
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print("WinDefFileSubcommand: <library-name> {%s}" %
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"|".join(library_exports.keys()))
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return
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self.library = self.argv[0]
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self.exports = library_exports[self.argv[1]]
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super().run()
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def generate_copyright(self):
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return """; THIS FILE IS GENERATED. DO NOT EDIT.
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;;;; Begin Copyright Notice ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright (c) 2015-2016 The Khronos Group Inc.
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; Copyright (c) 2015-2016 Valve Corporation
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; Copyright (c) 2015-2016 LunarG, Inc.
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;
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; Licensed under the Apache License, Version 2.0 (the "License");
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; you may not use this file except in compliance with the License.
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; You may obtain a copy of the License at
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;
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; http://www.apache.org/licenses/LICENSE-2.0
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;
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; Unless required by applicable law or agreed to in writing, software
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; distributed under the License is distributed on an "AS IS" BASIS,
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; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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; See the License for the specific language governing permissions and
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; limitations under the License.
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;
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;
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; Author: Jon Ashburn <jon@lunarg.com>
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;;;; End Copyright Notice ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"""
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def generate_header(self):
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return "; The following is required on Windows, for exporting symbols from the DLL"
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def generate_body(self):
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body = []
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body.append("LIBRARY " + self.library)
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body.append("EXPORTS")
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for proto in self.protos:
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if self.exports and proto.name not in self.exports:
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continue
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# This was intended to reject WSI calls, but actually rejects ALL extensions
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# TODO: Make this WSI-extension specific
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# if proto.name.endswith("KHR"):
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# continue
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body.append(" vk" + proto.name)
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return "\n".join(body)
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def main():
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wsi = {
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"Win32",
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"Android",
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"Xcb",
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"Xlib",
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"Wayland",
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"Mir"
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}
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subcommands = {
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"dispatch-table-ops": DispatchTableOpsSubcommand,
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"win-def-file": WinDefFileSubcommand,
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}
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if len(sys.argv) < 3 or sys.argv[1] not in wsi or sys.argv[2] not in subcommands:
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print("Usage: %s <wsi> <subcommand> [options]" % sys.argv[0])
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print
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print("Available wsi (displayservers) are: %s" % " ".join(wsi))
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print("Available subcommands are: %s" % " ".join(subcommands))
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exit(1)
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subcmd = subcommands[sys.argv[2]](sys.argv[3:])
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subcmd.run()
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if __name__ == "__main__":
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main()
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