#version 300 es in vec4 pos; uniform sampler2D s2D; uniform samplerCube sCube; uniform isampler2DArray is2DAbad; // ERROR, no default precision uniform sampler2DArrayShadow s2dASbad; // ERROR, no default precision precision highp sampler2D; precision mediump sampler2DArrayShadow; uniform sampler2DArrayShadow s2dAS; uniform isampler2DArray is2DAbad2; // ERROR, still no default precision uniform sampler2D s2Dhigh; void main() { vec4 t = texture(s2D, vec2(0.1, 0.2)); t += texture(s2Dhigh, vec2(0.1, 0.2)); t += texture(s2dAS, vec4(0.5)); gl_Position = pos; }