Add shader files

shader/wall/window.vert

@@ -0,0 +1,9 @@
+#version 450 core
+layout (location = 0) in vec4 poss;
+layout (location = 1) in vec4 color;
+out vec4 vColor;
+void main()
+{
+  gl_Position = poss;
+  vColor = color;
+}