feat():initial version

insDavi2.0/Res/shader/prog_texture_road.fp

@@ -0,0 +1,11 @@
+uniform sampler2D u_sam_tex;
+uniform vec4 u_v4_param;
+uniform float u_flt_inv_alpha;
+varying float v_flt_txcy;
+void main()
+{
+	vec2 txc = vec2(0,v_flt_txcy);
+	txc.x = u_v4_param.x*y*y*y+u_v4_param.y*y*y+u_v4_param.z*y+u_v4_param.w;
+	gl_FragColor = texture2D(u_sam_tex, txc);
+	gl_FragColor.a *= 1.0-u_flt_inv_alpha;
+}