add initial examples, replacing the 'Demos/Demos3'. Will make it work cross-platform, OpenGL3/OpenGL2 and add more examples to it.

examples/OpenGLWindow/Shaders/instancingPS.glsl

@@ -0,0 +1,36 @@
+#version 330
+precision highp float;
+
+in Fragment
+{
+     vec4 color;
+} fragment;
+
+in Vert
+{
+	vec2 texcoord;
+} vert;
+
+uniform sampler2D Diffuse;
+in vec3 lightDir,normal,ambient;
+out vec4 color;
+
+void main_textured(void)
+{
+   color  = vec4(0.1,0.2,0.3,0.3);
+}
+
+void main(void)
+{
+    vec4 texel = fragment.color*texture(Diffuse,vert.texcoord);//fragment.color;
+	vec3 ct,cf;
+	float intensity,at,af;
+	intensity = max(dot(lightDir,normalize(normal)),0);
+	cf = intensity*vec3(1.0,1.0,1.0)+ambient;
+	af = 1.0;
+		
+	ct = texel.rgb;
+	at = texel.a;
+		
+	color  = vec4(ct * cf, at * af);	
+}