Vulkan-Hpp/samples/12_InitFrameBuffers/12_InitFrameBuffers.cpp

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// Copyright(c) 2019, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Samples : 12_InitFrameBuffers
// Initialize framebuffers
#include "../utils/utils.hpp"
#include "vulkan/vulkan.hpp"
#include <iostream>
static char const* AppName = "12_InitFrameBuffers";
static char const* EngineName = "Vulkan.hpp";
int main(int /*argc*/, char ** /*argv*/)
{
try
{
vk::UniqueInstance instance = vk::su::createInstance(AppName, EngineName, {}, vk::su::getInstanceExtensions());
#if !defined(NDEBUG)
vk::UniqueDebugUtilsMessengerEXT debugUtilsMessenger = vk::su::createDebugUtilsMessenger(instance);
#endif
vk::PhysicalDevice physicalDevice = instance->enumeratePhysicalDevices().front();
vk::su::SurfaceData surfaceData(instance, AppName, AppName, vk::Extent2D(64, 64));
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex = vk::su::findGraphicsAndPresentQueueFamilyIndex(physicalDevice, *surfaceData.surface);
vk::UniqueDevice device = vk::su::createDevice(physicalDevice, graphicsAndPresentQueueFamilyIndex.first, vk::su::getDeviceExtensions());
vk::su::SwapChainData swapChainData(physicalDevice, device, *surfaceData.surface, surfaceData.extent, vk::ImageUsageFlagBits::eColorAttachment | vk::ImageUsageFlagBits::eTransferSrc,
vk::UniqueSwapchainKHR(), graphicsAndPresentQueueFamilyIndex.first, graphicsAndPresentQueueFamilyIndex.second);
vk::su::DepthBufferData depthBufferData(physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent);
vk::UniqueRenderPass renderPass = vk::su::createRenderPass(device, swapChainData.colorFormat, depthBufferData.format);
/* VULKAN_KEY_START */
vk::ImageView attachments[2];
attachments[1] = depthBufferData.imageView.get();
std::vector<vk::UniqueFramebuffer> framebuffers;
framebuffers.reserve(swapChainData.imageViews.size());
for (auto const& view : swapChainData.imageViews)
{
attachments[0] = view.get();
framebuffers.push_back(device->createFramebufferUnique(vk::FramebufferCreateInfo(vk::FramebufferCreateFlags(), renderPass.get(), 2, attachments, surfaceData.extent.width, surfaceData.extent.height, 1)));
}
// Note: No need to explicitly destroy the Framebuffers, as the destroy functions are called by the destructor of the UniqueFramebuffer on leaving this scope.
/* VULKAN_KEY_END */
#if defined(VK_USE_PLATFORM_WIN32_KHR)
DestroyWindow(surfaceData.window);
#else
#pragma error "unhandled platform"
#endif
}
catch (vk::SystemError err)
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit(-1);
}
catch (std::runtime_error err)
{
std::cout << "std::runtime_error: " << err.what() << std::endl;
exit(-1);
}
catch (...)
{
std::cout << "unknown error\n";
exit(-1);
}
return 0;
}