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::Instance instance = vk::su::createInstance( AppName, EngineName, {}, vk::su::getInstanceExtensions() );
#if !defined( NDEBUG )
vk::DebugUtilsMessengerEXT debugUtilsMessenger =
instance.createDebugUtilsMessengerEXT( vk::su::makeDebugUtilsMessengerCreateInfoEXT() );
#endif
vk::PhysicalDevice physicalDevice = instance.enumeratePhysicalDevices().front();
vk::su::SurfaceData surfaceData( instance, AppName, vk::Extent2D( 64, 64 ) );
std::pair<uint32_t, uint32_t> graphicsAndPresentQueueFamilyIndex =
vk::su::findGraphicsAndPresentQueueFamilyIndex( physicalDevice, surfaceData.surface );
vk::Device 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,
nullptr,
graphicsAndPresentQueueFamilyIndex.first,
graphicsAndPresentQueueFamilyIndex.second );
vk::su::DepthBufferData depthBufferData( physicalDevice, device, vk::Format::eD16Unorm, surfaceData.extent );
vk::RenderPass renderPass = vk::su::createRenderPass( device, swapChainData.colorFormat, depthBufferData.format );
/* VULKAN_KEY_START */
std::array<vk::ImageView, 2> attachments;
attachments[1] = depthBufferData.imageView;
vk::FramebufferCreateInfo framebufferCreateInfo(
vk::FramebufferCreateFlags(), renderPass, attachments, surfaceData.extent.width, surfaceData.extent.height, 1 );
std::vector<vk::Framebuffer> framebuffers;
framebuffers.reserve( swapChainData.imageViews.size() );
for ( auto const & imageView : swapChainData.imageViews )
{
attachments[0] = imageView;
framebuffers.push_back( device.createFramebuffer( framebufferCreateInfo ) );
}
for ( auto const & framebuffer : framebuffers )
{
device.destroyFramebuffer( framebuffer );
}
/* VULKAN_KEY_END */
device.destroyRenderPass( renderPass );
depthBufferData.clear( device );
swapChainData.clear( device );
device.destroy();
instance.destroySurfaceKHR( surfaceData.surface );
instance.destroyDebugUtilsMessengerEXT( debugUtilsMessenger );
instance.destroy();
}
catch ( vk::SystemError & err )
{
std::cout << "vk::SystemError: " << err.what() << std::endl;
exit( -1 );
}
catch ( std::exception & err )
{
std::cout << "std::exception: " << err.what() << std::endl;
exit( -1 );
}
catch ( ... )
{
std::cout << "unknown error\n";
exit( -1 );
}
return 0;
}