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 1// Screen Dimming
 2
 3#version 300 es
 4precision highp float;
 5
 6in vec2 v_texcoord;
 7uniform sampler2D tex;
 8
 9out vec4 fragColor;
10
11void main()
12{
13  fragColor = texture(tex, v_texcoord) * 0.3;
14}