mirror of
https://github.com/KhronosGroup/Vulkan-Utility-Libraries.git
synced 2025-05-14 16:58:43 +00:00
dcfce25b43
Generated code must macro-guard platform specific code, but did it in a naive fashion where consecutive guards for the same platform repeated the macro. With the help of PlatformGuardHelper, the code generation will elide redundant macro guards.
95 lines
3.5 KiB
Python
95 lines
3.5 KiB
Python
#!/usr/bin/python3 -i
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#
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# Copyright 2023 The Khronos Group Inc.
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# Copyright 2023 Valve Corporation
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# Copyright 2023 LunarG, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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import os
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from generators.base_generator import BaseGenerator
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from generators.generator_utils import PlatformGuardHelper
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class DispatchTableOutputGenerator(BaseGenerator):
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def __init__(self):
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BaseGenerator.__init__(self)
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def generate(self):
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out = []
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out.append(f'''// *** THIS FILE IS GENERATED - DO NOT EDIT ***
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// See {os.path.basename(__file__)} for modifications
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// Copyright 2023 The Khronos Group Inc.
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// Copyright 2023 Valve Corporation
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// Copyright 2023 LunarG, Inc.
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//
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// SPDX-License-Identifier: Apache-2.0
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''')
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out.append('''
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#pragma once
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#include <vulkan/vulkan.h>
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#include <string.h>
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typedef PFN_vkVoidFunction(VKAPI_PTR *PFN_GetPhysicalDeviceProcAddr)(VkInstance instance, const char *pName);
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''')
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out.append('''
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// Instance function pointer dispatch table
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typedef struct VkuInstanceDispatchTable_ {
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PFN_GetPhysicalDeviceProcAddr GetPhysicalDeviceProcAddr;
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''')
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guard_helper = PlatformGuardHelper()
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for command in [x for x in self.vk.commands.values() if x.instance]:
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out.extend(guard_helper.addGuard(command.protect))
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out.append(f' PFN_{command.name} {command.name[2:]};\n')
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out.extend(guard_helper.addGuard(None))
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out.append('} VkuInstanceDispatchTable;\n')
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out.append('''
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// Device function pointer dispatch table
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typedef struct VkuDeviceDispatchTable_ {
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''')
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for command in [x for x in self.vk.commands.values() if x.device]:
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out.extend(guard_helper.addGuard(command.protect))
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out.append(f' PFN_{command.name} {command.name[2:]};\n')
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out.extend(guard_helper.addGuard(None))
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out.append('} VkuDeviceDispatchTable;\n')
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out.append('''
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static inline void vkuInitDeviceDispatchTable(VkDevice device, VkuDeviceDispatchTable *table, PFN_vkGetDeviceProcAddr gdpa) {
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memset(table, 0, sizeof(*table));
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// Device function pointers
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table->GetDeviceProcAddr = gdpa;
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''')
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for command in [x for x in self.vk.commands.values() if x.device and x.name != 'vkGetDeviceProcAddr']:
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out.extend(guard_helper.addGuard(command.protect))
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out.append(f' table->{command.name[2:]} = (PFN_{command.name})gdpa(device, "{command.name}");\n')
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out.extend(guard_helper.addGuard(None))
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out.append('}\n')
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out.append('''
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static inline void vkuInitInstanceDispatchTable(VkInstance instance, VkuInstanceDispatchTable *table, PFN_vkGetInstanceProcAddr gipa) {
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memset(table, 0, sizeof(*table));
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// Instance function pointers
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table->GetInstanceProcAddr = gipa;
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table->GetPhysicalDeviceProcAddr = (PFN_GetPhysicalDeviceProcAddr)gipa(instance, "vk_layerGetPhysicalDeviceProcAddr");
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''')
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for command in [x for x in self.vk.commands.values() if x.instance and x.name not in [
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'vkCreateInstance',
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'vkCreateDevice',
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'vkGetPhysicalDeviceProcAddr',
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'vkEnumerateInstanceExtensionProperties',
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'vkEnumerateInstanceLayerProperties',
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'vkEnumerateInstanceVersion',
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'vkGetInstanceProcAddr',
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]]:
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out.extend(guard_helper.addGuard(command.protect))
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out.append(f' table->{command.name[2:]} = (PFN_{command.name})gipa(instance, "{command.name}");\n')
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out.extend(guard_helper.addGuard(None))
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out.append('}')
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self.write("".join(out))
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