#version 100 precision mediump int; precision mediump float; uniform sampler2D rt0; uniform sampler2D rt1; uniform sampler2D rt2; uniform sampler2D rt3; varying vec2 uv; void main(void) { //gl_FragColor = texture2D(rt0, uv); gl_FragColor = texture2D(rt1, uv); //gl_FragColor = texture2D(rt2, uv); //gl_FragColor = texture2D(rt3, uv); }