No more disabling buffers, just enable the next one.

core/Screen.cpp

@@ -69,13 +69,6 @@ void Screen::Enable() {
   glEnable(GL_DEPTH_TEST);
 }
 
-void Screen::Disable() {
-  glBindFramebuffer(GL_FRAMEBUFFER, 0);
-  glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
-  glClear(GL_COLOR_BUFFER_BIT);
-  glDisable(GL_DEPTH_TEST);
-}
-
 void Screen::Draw() {
   glBindVertexArray(quad);
   glDrawArrays(GL_TRIANGLES, 0, 6);

core/Screen.h

@@ -14,7 +14,6 @@ class Screen {
 public:
   Screen();
   void Enable();
-  void Disable();
   void Draw();
   const int width = 640;
   const int height = 480;

core/Window.cpp

@@ -32,6 +32,14 @@ bool Window::ShouldClose() {
   return glfwWindowShouldClose(glfwWindow);
 }
 
+void Window::Enable() {
+  glBindFramebuffer(GL_FRAMEBUFFER, 0);
+  glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+  glClear(GL_COLOR_BUFFER_BIT);
+  glDisable(GL_DEPTH_TEST);
+  glViewport(0, 0, width, height);
+}
+
 void Window::Update() {
   glfwSwapBuffers(glfwWindow);
   glfwPollEvents();

core/Window.h

@@ -31,19 +31,23 @@ class Window {
 public:
   /**
      Initializes the window.
-   */
+  */
   void Init();
   /**
      @returns whether or not the user tried to close the window
-   */
+  */
   bool ShouldClose();
   /**
-     Close the window.
+     Begin rendering to the window
    */
+  void Enable();
   /**
      Swap the buffers and poll for events
-   */
+  */
   void Update();
+  /**
+     Close the window.
+  */
   void Close();
 private:
   friend class Input;

core/couch.cpp

@@ -133,13 +133,11 @@ int main() {
       glDepthFunc(GL_LESS);
     }
 
-    // Stop rendering to texture
-    screen.Disable();
-    // // Render the screen
+    // Render to the window
+    window.Enable();
+    
     screenShader->Use();
     screenShader->UpdateTex(screen.tex);
-    // Ummm?
-    // glViewport(0, 0, width, height);
     screen.Draw();
 
     window.Update();