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xo-imgui: refactor: init_vulkan() impl in .cpp

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This commit is contained in:
Roland Conybeare 2025-11-10 18:23:23 -05:00
commit 6405f09918
2 changed files with 44 additions and 34 deletions
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41
xo-imgui/example/ex4a/VulkanApp.cpp
View file

@ -2,13 +2,48 @@
#include "VulkanApp.hpp"
void MinimalImGuiVulkan::run()
{
this->init_window();
void
MinimalImGuiVulkan::run() {
this->init_sdl_window();
this->init_vulkan();
this->init_imgui();
this->main_loop();
this->cleanup();
}
void
MinimalImGuiVulkan::init_sdl_window() {
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
throw std::runtime_error("Failed to initialize SDL!");
}
this->window_ = SDL_CreateWindow(
"ImGui Vulkan SDL2 Example",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
1000, 800,
SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE
);
if (!window_) {
throw std::runtime_error("Failed to create SDL window!");
}
}
void
MinimalImGuiVulkan::init_vulkan() {
createInstance();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
this->createSwapchain();
this->createImageViews();
this->createRenderPass(); // must come before createFrameBuffers
this->createFramebuffers();
createCommandPool();
createCommandBuffers();
createSyncObjects();
createDescriptorPool();
}
/* end VulkanApp.cpp */

37
xo-imgui/example/ex4a/VulkanApp.hpp
View file

@ -18,38 +18,13 @@ public:
void run();
private:
void init_window() {
if (SDL_Init(SDL_INIT_VIDEO) != 0) {
throw std::runtime_error("Failed to initialize SDL!");
}
/* create SDL window for application.
* populates @p window_
*/
void init_sdl_window();
this->window_ = SDL_CreateWindow(
"ImGui Vulkan SDL2 Example",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
800, 600,
SDL_WINDOW_VULKAN | SDL_WINDOW_RESIZABLE
);
if (!window_) {
throw std::runtime_error("Failed to create SDL window!");
}
}
void init_vulkan() {
createInstance();
createSurface();
pickPhysicalDevice();
createLogicalDevice();
this->createSwapchain();
this->createImageViews();
this->createRenderPass(); // must come before createFrameBuffers
this->createFramebuffers();
createCommandPool();
createCommandBuffers();
createSyncObjects();
createDescriptorPool();
}
/* setup vulkan state. swapchain, command buffers etc */
void init_vulkan();
void createInstance() {
VkApplicationInfo appInfo{};