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#!/usr/bin/python3 -i
#
# Copyright 2023 The Khronos Group Inc.
# Copyright 2023 Valve Corporation
# Copyright 2023 LunarG, Inc.
#
# SPDX-License-Identifier: Apache-2.0
import os
from base_generator import BaseGenerator
from generators.generator_utils import PlatformGuardHelper
class DispatchTableOutputGenerator(BaseGenerator):
def __init__(self):
BaseGenerator.__init__(self)
def generate(self):
out = []
out.append(f'''// *** THIS FILE IS GENERATED - DO NOT EDIT ***
// See {os.path.basename(__file__)} for modifications
// Copyright 2023 The Khronos Group Inc.
// Copyright 2023 Valve Corporation
// Copyright 2023 LunarG, Inc.
//
// SPDX-License-Identifier: Apache-2.0
''')
out.append('''
#pragma once
#include <vulkan/vulkan.h>
#include <string.h>
// clang-format off
typedef PFN_vkVoidFunction(VKAPI_PTR *PFN_GetPhysicalDeviceProcAddr)(VkInstance instance, const char *pName);
''')
out.append('''
// Instance function pointer dispatch table
typedef struct VkuInstanceDispatchTable_ {
PFN_GetPhysicalDeviceProcAddr GetPhysicalDeviceProcAddr;
''')
guard_helper = PlatformGuardHelper()
for command in [x for x in self.vk.commands.values() if x.instance]:
out.extend(guard_helper.add_guard(command.protect))
out.append(f' PFN_{command.name} {command.name[2:]};\n')
out.extend(guard_helper.add_guard(None))
out.append('} VkuInstanceDispatchTable;\n')
out.append('''
// Device function pointer dispatch table
typedef struct VkuDeviceDispatchTable_ {
''')
for command in [x for x in self.vk.commands.values() if x.device]:
out.extend(guard_helper.add_guard(command.protect))
out.append(f' PFN_{command.name} {command.name[2:]};\n')
out.extend(guard_helper.add_guard(None))
out.append('} VkuDeviceDispatchTable;\n')
out.append('''
static inline void vkuInitDeviceDispatchTable(VkDevice device, VkuDeviceDispatchTable *table, PFN_vkGetDeviceProcAddr gdpa) {
memset(table, 0, sizeof(*table));
// Device function pointers
table->GetDeviceProcAddr = gdpa;
''')
for command in [x for x in self.vk.commands.values() if x.device and x.name != 'vkGetDeviceProcAddr']:
out.extend(guard_helper.add_guard(command.protect))
out.append(f' table->{command.name[2:]} = (PFN_{command.name})gdpa(device, "{command.name}");\n')
out.extend(guard_helper.add_guard(None))
out.append('}\n')
out.append('''
static inline void vkuInitInstanceDispatchTable(VkInstance instance, VkuInstanceDispatchTable *table, PFN_vkGetInstanceProcAddr gipa) {
memset(table, 0, sizeof(*table));
// Instance function pointers
table->GetInstanceProcAddr = gipa;
table->GetPhysicalDeviceProcAddr = (PFN_GetPhysicalDeviceProcAddr)gipa(instance, "vk_layerGetPhysicalDeviceProcAddr");
''')
for command in [x for x in self.vk.commands.values() if x.instance and x.name not in [
'vkCreateInstance',
'vkCreateDevice',
'vkGetPhysicalDeviceProcAddr',
'vkEnumerateInstanceExtensionProperties',
'vkEnumerateInstanceLayerProperties',
'vkEnumerateInstanceVersion',
'vkGetInstanceProcAddr',
]]:
out.extend(guard_helper.add_guard(command.protect))
out.append(f' table->{command.name[2:]} = (PFN_{command.name})gipa(instance, "{command.name}");\n')
out.extend(guard_helper.add_guard(None))
out.append('}\n')
out.append('// clang-format on')
self.write("".join(out))
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