feat(clusterApp): initial version run in Ubuntu.

change fb to DRM

clusterApp/Res/shader/prog_texture_with_mask.fp

@@ -0,0 +1,15 @@
+precision mediump float;
+
+uniform sampler2D u_sam_tex;
+uniform sampler2D u_sam_tex_mask;
+uniform float u_flt_inv_alpha;
+varying vec2 v_v2_txc;
+varying vec2 v_v2_txc_mask;
+void main()
+{
+	if(v_v2_txc_mask.y < 0.0)discard;
+	if(v_v2_txc_mask.y > 1.0)discard;
+	float alpha = texture2D(u_sam_tex_mask, v_v2_txc_mask).a;
+	gl_FragColor = texture2D(u_sam_tex, v_v2_txc);
+	gl_FragColor.a *= alpha*(1.0-u_flt_inv_alpha);
+}