roland/xo-alloc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

xo-imgui: imgui_ex4 working on native ubuntu

Browse source 
requires etc/hostubuntu shim
This commit is contained in:
Roland Conybeare 2025-11-12 10:00:30 -05:00
commit 5fcfadce9a
5 changed files with 555 additions and 586 deletions
Download patch file Download diff file Expand all files Collapse all files

43
xo-imgui/example/ex4a/VulkanApp.cpp
View file

@ -41,10 +41,7 @@ MinimalImGuiVulkan::init_vulkan()
this->create_surface();
this->pick_physical_device();
this->create_logical_device();
this->create_swapchain();
this->create_image_views();
this->create_render_pass(); // must come before createFrameBuffers
this->create_framebuffers();
this->create_xswapchain(true /*create_render_pass_flag*/);
this->create_command_pool();
this->create_command_buffers();
this->create_sync_objects();
@ -503,7 +500,7 @@ MinimalImGuiVulkan::draw_frame()
case VK_SUBOPTIMAL_KHR:
break;
case VK_ERROR_OUT_OF_DATE_KHR:
recreate_swapchain();
this->recreate_xswapchain();
// deliberate earlyexit
return;
default:
@ -559,7 +556,7 @@ MinimalImGuiVulkan::draw_frame()
case VK_ERROR_OUT_OF_DATE_KHR:
case VK_SUBOPTIMAL_KHR:
framebuffer_resized_flag_ = false;
this->recreate_swapchain();
this->recreate_xswapchain();
break;
default:
throw std::runtime_error("failed to present swapchain image!");
@ -624,7 +621,25 @@ MinimalImGuiVulkan::record_command_buffer(VkCommandBuffer cmdbuf, uint32_t image
}
void
MinimalImGuiVulkan::recreate_swapchain()
MinimalImGuiVulkan::create_xswapchain(bool create_render_pass_flag)
{
this->create_swapchain();
this->create_image_views();
if(create_render_pass_flag)
this->create_render_pass();
this->create_framebuffers();
}
void
MinimalImGuiVulkan::cleanup_xswapchain()
{
this->cleanup_framebuffers();
this->cleanup_image_views();
this->cleanup_swapchain();
}
void
MinimalImGuiVulkan::recreate_xswapchain()
{
// handle window minimization: wait until window has valid size
this->wait_not_minimized();
@ -632,15 +647,11 @@ MinimalImGuiVulkan::recreate_swapchain()
// wait until device idle before cleaning up resources
vkDeviceWaitIdle(device_);
// cleanup old swapchain
this->cleanup_framebuffers();
this->cleanup_image_views();
this->cleanup_swapchain();
// cleanup old xswapchain
this->cleanup_xswapchain();
// create new swapchain
this->create_swapchain();
this->create_image_views();
this->create_framebuffers();
this->create_xswapchain(false);
}
void
@ -694,9 +705,7 @@ MinimalImGuiVulkan::cleanup()
vkDestroyCommandPool(device_, command_pool_, nullptr);
this->cleanup_framebuffers();
this->cleanup_image_views();
this->cleanup_swapchain();
this->cleanup_xswapchain();
vkDestroyRenderPass(device_, render_pass_, nullptr);
vkDestroyDescriptorPool(device_, descriptor_pool_, nullptr);