mirror of
https://github.com/charles-lunarg/vk-bootstrap.git
synced 2024-11-10 02:41:47 +00:00
Updated docs to include device and swapchain deletion.
Fix example triangle to properly exit if swapchain recreation fails.
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@ -185,6 +185,11 @@ auto dev_ret = device_builder.add_pNext(&descriptor_indexing_features)
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.build ();
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```
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To destroy a `vkb::Device`, call `vkb::destroy_device()`.
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```cpp
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vkb::destroy_device(vkb_device);
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```
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### Queues
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By default, `vkb::DeviceBuilder` will enable one queue from each queue family available on the `VkPhysicalDevice`. This is done because in practice, most use cases only need a single queue from each family.
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@ -245,3 +250,9 @@ if !(swap_ret){
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// Note that this is the same vkb::Swapchain which was fed into vkb::SwapchainBuilder
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vkb_swapchain = swap_ret.value();
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```
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To destroy the swapchain, call `vkb::destroy_swapchain()`. This is null out the VkSwapchainHandle inside of it.
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```cpp
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vkb::destroy_swapchain(vkb_swapchain);
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```
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@ -71,20 +71,23 @@ int device_initialization (Init& init) {
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}
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int create_swapchain (Init& init) {
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vkb::SwapchainBuilder swapchain_builder{ init.device };
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auto swap_ret = swapchain_builder.use_default_format_selection ()
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.use_default_present_mode_selection ()
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auto swap_ret = swapchain_builder
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.set_old_swapchain (init.swapchain)
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.build ();
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static int count = 0;
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count++;
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std::cout << count << '\n';
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if (!swap_ret) {
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std::cout << swap_ret.error ().message () << " " << swap_ret.vk_result () << "\n";
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std::cout << swap_ret.error ().message () << " " << swap_ret.vk_result () << "\n";
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init.swapchain.swapchain = VK_NULL_HANDLE;
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return -1;
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}
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init.swapchain = swap_ret.value ();
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return 0;
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}
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int get_queues (Init& init, RenderData& data) {
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auto gq = init.device.get_queue (vkb::QueueType::graphics);
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if (!gq.has_value ()) {
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@ -436,17 +439,13 @@ int recreate_swapchain (Init& init, RenderData& data) {
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vkDestroyCommandPool (init.device.device, data.command_pool, nullptr);
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for (auto framebuffer : data.framebuffers) {
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vkDestroyFramebuffer (init.device.device, framebuffer, nullptr);
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}
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for (auto framebuffer : data.framebuffers) {
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vkDestroyFramebuffer (init.device.device, framebuffer, nullptr);
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}
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init.swapchain.destroy_image_views (data.swapchain_image_views);
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int created_swapchain = create_swapchain (init);
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while (created_swapchain != 0) {
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init.swapchain.swapchain = VK_NULL_HANDLE;
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created_swapchain = create_swapchain (init);
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}
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if (0 != create_swapchain (init)) return -1;
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if (0 != create_framebuffers (init, data)) return -1;
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if (0 != create_command_pool (init, data)) return -1;
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if (0 != create_command_buffers (init, data)) return -1;
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@ -466,9 +465,8 @@ int draw_frame (Init& init, RenderData& data) {
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if (result == VK_ERROR_OUT_OF_DATE_KHR) {
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return recreate_swapchain (init, data);
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return 0;
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} else if (result != VK_SUCCESS && result != VK_SUBOPTIMAL_KHR) {
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std::cout << "failed to recreate swapchain. Error " << result << "\n";
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std::cout << "failed to acquire swapchain image. Error " << result << "\n";
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return -1;
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}
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@ -515,7 +513,6 @@ int draw_frame (Init& init, RenderData& data) {
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result = vkQueuePresentKHR (data.present_queue, &present_info);
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if (result == VK_ERROR_OUT_OF_DATE_KHR || result == VK_SUBOPTIMAL_KHR) {
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return recreate_swapchain (init, data);
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return 0;
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} else if (result != VK_SUCCESS) {
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std::cout << "failed to present swapchain image\n";
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return -1;
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@ -1292,9 +1292,11 @@ VkExtent2D find_extent (
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}
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} // namespace detail
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void destroy_swapchain (Swapchain const& swapchain) {
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if (swapchain.device != VK_NULL_HANDLE && swapchain.swapchain != VK_NULL_HANDLE)
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void destroy_swapchain (Swapchain& swapchain) {
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if (swapchain.device != VK_NULL_HANDLE && swapchain.swapchain != VK_NULL_HANDLE) {
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vkDestroySwapchainKHR (swapchain.device, swapchain.swapchain, swapchain.allocation_callbacks);
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swapchain.swapchain = VK_NULL_HANDLE;
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}
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}
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SwapchainBuilder::SwapchainBuilder (Device const& device) {
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@ -528,7 +528,7 @@ struct Swapchain {
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void destroy_image_views (std::vector<VkImageView> const& image_views);
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};
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void destroy_swapchain (Swapchain const& swapchain);
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void destroy_swapchain (Swapchain & swapchain);
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class SwapchainBuilder {
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public:
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