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// Copyright 2023 The Khronos Group Inc.
// Copyright 2023 Valve Corporation
// Copyright 2023 LunarG, Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
#include <gtest/gtest.h>
#include <vulkan/utility/vk_dispatch_table.h>
// Only exists so that local_vkGetDeviceProcAddr can return a 'real' function pointer
inline VKAPI_ATTR void empty_func() {}
inline VKAPI_ATTR PFN_vkVoidFunction local_vkGetInstanceProcAddr(VkInstance instance, const char *pName) {
if (instance == VK_NULL_HANDLE) {
return NULL;
}
if (strcmp(pName, "vkGetInstanceProcAddr")) {
return reinterpret_cast<PFN_vkVoidFunction>(&local_vkGetInstanceProcAddr);
}
return reinterpret_cast<PFN_vkVoidFunction>(&empty_func);
}
inline VKAPI_ATTR PFN_vkVoidFunction local_vkGetDeviceProcAddr(VkDevice device, const char *pName) {
if (device == VK_NULL_HANDLE) {
return NULL;
}
if (strcmp(pName, "vkGetDeviceProcAddr")) {
return reinterpret_cast<PFN_vkVoidFunction>(&local_vkGetDeviceProcAddr);
}
return reinterpret_cast<PFN_vkVoidFunction>(&empty_func);
}
TEST(test_vk_dispatch_table, cpp_interface) {
VkuDeviceDispatchTable device_dispatch_table{};
VkuInstanceDispatchTable instance_dispatch_table{};
VkInstance instance{};
vkuInitInstanceDispatchTable(instance, &instance_dispatch_table, local_vkGetInstanceProcAddr);
ASSERT_EQ(reinterpret_cast<PFN_vkVoidFunction>(instance_dispatch_table.GetInstanceProcAddr),
reinterpret_cast<PFN_vkVoidFunction>(local_vkGetInstanceProcAddr));
VkDevice device{};
vkuInitDeviceDispatchTable(device, &device_dispatch_table, local_vkGetDeviceProcAddr);
ASSERT_EQ(reinterpret_cast<PFN_vkVoidFunction>(device_dispatch_table.GetDeviceProcAddr),
reinterpret_cast<PFN_vkVoidFunction>(local_vkGetDeviceProcAddr));
}
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