Quick commit of a broken setup that doesn't work.

27-instancing/src/screen.hpp

@@ -0,0 +1,22 @@
+#pragma once
+#include "shader.hpp"
+
+struct Screen {
+  Shader shader;
+  unsigned int target_VAO = 0;
+  unsigned int target_VBO = 0;
+
+  float vertices[24] = {
+    // vertex attributes for a quad that fills the entire screen in Normalized Device Coordinates.
+    // positions   // texCoords
+    -1.0f,  1.0f,  0.0f, 1.0f,
+    -1.0f, -1.0f,  0.0f, 0.0f,
+    1.0f, -1.0f,  1.0f, 0.0f,
+
+    -1.0f,  1.0f,  0.0f, 1.0f,
+    1.0f, -1.0f,  1.0f, 0.0f,
+    1.0f,  1.0f,  1.0f, 1.0f
+  };
+
+  void init();
+};