src/main/resources/assets/notenoughupdates/shaders/program/sobel.vsh


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#version 120

attribute vec4 Position;

uniform mat4 ProjMat;
uniform vec2 InSize;
uniform vec2 OutSize;

varying vec2 texCoord;
varying vec2 oneTexel;

void main(){
    vec4 outPos = ProjMat * vec4(Position.xy, 0.0, 1.0);
    gl_Position = vec4(outPos.xy, 0.2, 1.0);

    oneTexel = 1.0 / InSize;

    texCoord = Position.xy / OutSize;
    texCoord.y = 1.0 - texCoord.y;    
}