IT WORKS!!!

.clang-format

@@ -0,0 +1 @@
+SortIncludes: "Never"

CMakeLists.txt

@@ -6,10 +6,14 @@ set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake")
 
+set(GLFW_BUILD_WAYLAND ON)
+
 project(HelloWorld CXX)
 
 find_package(fmt CONFIG REQUIRED)
+find_package(glfw3 CONFIG REQUIRED)
+find_package(glad CONFIG REQUIRED)
 
-add_executable(HelloWorld src/main.cpp)
+add_executable(main src/main.cpp)
 
-target_link_libraries(HelloWorld PRIVATE fmt::fmt)
+target_link_libraries(main PRIVATE fmt::fmt glfw glad::glad)

clean.sh

@@ -1 +1 @@
-rm -rf build
+rm -rf build .cache

shell.nix

@@ -1,7 +1,14 @@
 {
   pkgs ? import <nixpkgs> { },
 }:
-pkgs.mkShell {
+pkgs.llvmPackages.stdenv.mkDerivation {
+
+  name = "Development";
+  buildInputs = with pkgs.buildPackages; [
+    glfw-wayland
+    libglvnd
+    libglvnd.dev
+  ];
   # nativeBuildInputs is usually what you want -- tools you need to run
   nativeBuildInputs = with pkgs.buildPackages; [
     gnumake
@@ -14,7 +21,7 @@ pkgs.mkShell {
 
   shellHook = ''
     export VCPKG_ROOT="${pkgs.vcpkg.outPath}/share/vcpkg";
-    export CC="${pkgs.clang.outPath}/bin/clang";
+    # export CC="${pkgs.clang.outPath}/bin/clang";
-    export CXX="${pkgs.clang.outPath}/bin/clang++";
+    # export CXX="${pkgs.clang.outPath}/bin/clang++";
   '';
 }

src/main.cpp

@@ -1,6 +1,38 @@
 #include <fmt/core.h>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
 
 int main() {
-  fmt::print("Hello world!\n");
+
+  if (!glfwInit()) {
+    const char *description;
+    int code = glfwGetError(&description);
+    fmt::print("GLFW failed to init! {}", code);
+    return -1;
+  }
+  GLFWwindow *window =
+      glfwCreateWindow(640, 480, "HELLO WORLD!", glfwGetPrimaryMonitor(), NULL);
+
+  if (!window) {
+    glfwTerminate();
+    fmt::print("Window or OpenGL context creation failed");
+    return -1;
+  }
+
+  glfwMakeContextCurrent(window);
+
+  /* Loop until the user closes the window */
+  while (!glfwWindowShouldClose(window)) {
+    /* Render here */
+
+    /* Swap front and back buffers */
+    glfwSwapBuffers(window);
+
+    /* Poll for and process events */
+    glfwPollEvents();
+  }
+
+  glfwTerminate();
+
   return 0;
 }

vcpkg.json

@@ -1,3 +1,3 @@
 {
-  "dependencies": ["fmt"]
+  "dependencies": ["fmt", "glfw3", "glad"]
 }