changes to librw layer, GLES now runtime choice

src/extras/shaders/neoWorldIII.frag

@@ -3,12 +3,10 @@ uniform sampler2D tex1;
 
 uniform vec4 u_lightMap;
 
-in vec4 v_color;
-in vec2 v_tex0;
-in vec2 v_tex1;
-in float v_fog;
-
-out vec4 color;
+FSIN vec4 v_color;
+FSIN vec2 v_tex0;
+FSIN vec2 v_tex1;
+FSIN float v_fog;
 
 void
 main(void)
@@ -16,10 +14,12 @@ main(void)
 	vec4 t0 = texture(tex0, vec2(v_tex0.x, 1.0-v_tex0.y));
 	vec4 t1 = texture(tex1, vec2(v_tex1.x, 1.0-v_tex1.y));
 
-	color = t0*v_color*(1 + u_lightMap*(2*t1-1));
+	vec4 color = t0*v_color*(1.0 + u_lightMap*(2.0*t1-1.0));
 	color.a = v_color.a*t0.a*u_lightMap.a;
 
 	color.rgb = mix(u_fogColor.rgb, color.rgb, v_fog);
 	DoAlphaTest(color.a);
+
+	FRAGCOLOR(color);
 }