mirror of
https://github.com/KhronosGroup/Vulkan-Hpp.git
synced 2024-10-14 16:32:17 +00:00
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
// Copyright(c) 2018, NVIDIA CORPORATION. All rights reserved.
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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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// VulkanHpp Samples : DispatchLoaderDynamic
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// Compile test on DispatchLoaderDynamic functions
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#include "vulkan/vulkan.hpp"
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#include <iostream>
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#include <map>
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static char const* AppName = "DispatchLoaderDynamic";
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static char const* EngineName = "Vulkan.hpp";
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int main(int /*argc*/, char ** /*argv*/)
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{
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try
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{
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vk::DispatchLoaderDynamic dld0;
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vk::DynamicLoader dl;
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PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = dl.getProcAddress<PFN_vkGetInstanceProcAddr>("vkGetInstanceProcAddr");
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// empty DispatchLoaderDynamic, used for init calls later on
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vk::DispatchLoaderDynamic dld_boot(vkGetInstanceProcAddr);
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vk::Instance instance = vk::createInstance({}, nullptr, dld_boot);
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vk::DispatchLoaderDynamic dld1(instance, vkGetInstanceProcAddr);
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// compare to the empty dispatcher, and init the empty dispatcher the same way
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assert(memcmp(&dld0, &dld1, sizeof(vk::DispatchLoaderDynamic)) != 0);
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dld0.init(instance, vkGetInstanceProcAddr);
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assert(memcmp(&dld0, &dld1, sizeof(vk::DispatchLoaderDynamic)) == 0);
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// create a dispatcher, based on additional vkDevice/vkGetDeviceProcAddr
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std::vector<vk::PhysicalDevice> physicalDevices = instance.enumeratePhysicalDevices(dld1);
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assert(!physicalDevices.empty());
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vk::Device device = physicalDevices[0].createDevice({}, nullptr, dld1);
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// device specialization functions
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vk::DispatchLoaderDynamic dld2(instance, vkGetInstanceProcAddr, device);
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// compare to "simpler" dispatcher and make them equal
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assert(memcmp(&dld0, &dld2, sizeof(vk::DispatchLoaderDynamic)) != 0);
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dld0.init(instance, vkGetInstanceProcAddr, device);
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assert(memcmp(&dld0, &dld2, sizeof(vk::DispatchLoaderDynamic)) == 0);
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}
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catch (vk::SystemError err)
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{
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std::cout << "vk::SystemError: " << err.what() << std::endl;
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exit(-1);
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}
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catch (...)
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{
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std::cout << "unknown error\n";
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exit(-1);
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}
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return 0;
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}
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