diff --git a/src/app.d b/src/app.d
index a08a57d..09918c7 100644
--- a/src/app.d
+++ b/src/app.d
@@ -1,22 +1,24 @@
 import std.stdio;
 import bindbc.sdl;
+import glad.gl.all;
+import glad.gl.loader;
 
 enum int WIDTH = 800;
 enum int HEIGHT = 600;
 
 void init()
 {
-//    glActiveTexture(GL_TEXTURE0);
-//    glEnable(GL_BLEND);
-//    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
-//    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
-//    glClearColor (1.0, 0.7, 0.0, 0.0);
-//    glViewport(0, 0, WIDTH, HEIGHT);
+    glActiveTexture(GL_TEXTURE0);
+    glEnable(GL_BLEND);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+    glClearColor (1.0, 0.6, 0.0, 0.0);
+    glViewport(0, 0, WIDTH, HEIGHT);
 }
 
 void display(SDL_Window * window)
 {
-//    glClear(GL_COLOR_BUFFER_BIT);
+    glClear(GL_COLOR_BUFFER_BIT);
 
     SDL_GL_SwapWindow(window);
 }
@@ -44,11 +46,11 @@ int main()
 
     SDL_GLContext context = SDL_GL_CreateContext(window);
 
-//    if (!gladLoadGl())
-//    {
-//        stderr.writeln("Failed to load OpenGL");
-//        return 1;
-//    }
+    if (!gladLoadGL())
+    {
+        stderr.writeln("Failed to load OpenGL");
+        return 1;
+    }
 
     init();
     SDL_Event event;