Initial setup with SDL window

.gitignore

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+.cache/
+build/
+

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.10)
+project(vksdlproj VERSION 0.1.0 LANGUAGES C CXX)
+
+SET(CMAKE_BUILD_RPATH_USE_ORIGIN TRUE)
+set(EXE_NAME project)
+
+find_package(SDL2 REQUIRED CONFIG REQUIRED COMPONENTS SDL2)
+
+set(PROGRAM_SOURCES ${CMAKE_SOURCE_DIR}/src/vulkanapp.cc)
+
+add_executable(${EXE_NAME} ${CMAKE_SOURCE_DIR}/src/main.cc ${PROGRAM_SOURCES})
+target_include_directories(${EXE_NAME} PRIVATE ${CMAKE_SOURCE_DIR}/include)
+
+target_link_libraries(${EXE_NAME} PRIVATE SDL2::SDL2)

include/vulkanapp.hh

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+#pragma once
+
+#include "SDL_video.h"
+#include "SDL_events.h"
+
+#include <cstdint>
+
+#include <vulkan/vulkan.h>
+
+class VulkanApp {
+public:
+    VulkanApp(const uint32_t& _w, const uint32_t& _h) : 
+    mWidth(_w), mHeight(_h), mWin(nullptr), mActive(false) {}
+    
+    void run() {
+        init();
+        loop();
+        cleanup();
+    }
+
+    SDL_Window *mWin;
+    SDL_Event mEvent;
+    const uint32_t mWidth;
+    const uint32_t mHeight;
+    bool mActive;
+
+    void init();
+    void loop();
+    void cleanup();
+};

src/main.cc

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+#include "vulkanapp.hh"
+
+#include <exception>
+
+int main() {
+    VulkanApp app(640, 480);
+
+    try {
+        app.run();
+    } catch(const std::exception& except) {
+        fprintf(stderr, "Error! %s\n", except.what());
+
+        return 1;
+    }
+
+    return 0;
+}

src/vulkanapp.cc

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+#include "vulkanapp.hh"
+
+#include "SDL.h"
+#include "SDL_vulkan.h"
+
+#include <cstdio>
+#include <stdexcept>
+
+void VulkanApp::init() {
+    SDL_Init(SDL_INIT_EVERYTHING);
+    SDL_Vulkan_LoadLibrary(nullptr);
+
+    // Create the window
+    mWin = SDL_CreateWindow("Vulkan+SDL2 Application",
+                            SDL_WINDOWPOS_CENTERED,
+                            SDL_WINDOWPOS_CENTERED,
+                            mWidth,
+                            mHeight,
+                            SDL_WINDOW_SHOWN | SDL_WINDOW_VULKAN
+                            );
+    
+    if(mWin == nullptr) {
+        std::string err = "Could not create window ";
+        err += SDL_GetError();
+        err += "\n";
+        throw std::runtime_error(err);
+    }
+}
+
+void VulkanApp::loop() {
+    if(mWin == nullptr) {
+        std::string err = "Could not find window ";
+        err += SDL_GetError();
+        err += "\n";
+        throw std::runtime_error(err);
+    }
+
+    mActive = true;
+
+    //SDL_Renderer *rend = SDL_CreateRenderer(mWin, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
+
+    // Main loop
+    while(mActive) {
+        while(SDL_PollEvent(&mEvent))
+            if(mEvent.type == SDL_QUIT) {
+                mActive = false;
+                break;
+            }
+        
+        //SDL_SetRenderDrawColor(rend, 255, 0, 0, 255);
+        //SDL_RenderClear(rend);
+
+        //SDL_RenderPresent(rend);
+        
+        SDL_ShowWindow(mWin);
+    }
+
+    //SDL_DestroyRenderer(rend);
+}
+
+void VulkanApp::cleanup() {
+    if(mWin != nullptr) {
+        SDL_DestroyWindow(mWin);
+        mWin = nullptr;
+    }
+
+    SDL_Vulkan_UnloadLibrary();
+    SDL_Quit();
+}