Example usage for com.badlogic.gdx.graphics GL20 glGetUniformLocation

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics GL20 glGetUniformLocation.

Prototype

public int glGetUniformLocation(int program, String name);

Source Link

Usage

From source file:net.mgsx.game.examples.gpu.utils.ShaderProgramEx.java

License:Apache License

public int fetchUniformLocation(String name, boolean pedantic) {
    GL20 gl = Gdx.gl20;
    // -2 == not yet cached
    // -1 == cached but not found
    int location;
    if ((location = uniforms.get(name, -2)) == -2) {
        location = gl.glGetUniformLocation(program, name);
        if (location == -1 && pedantic)
            throw new IllegalArgumentException("no uniform with name '" + name + "' in shader");
        uniforms.put(name, location);//from   w  ww  .  ja  v a  2s  . c om
    }
    return location;
}

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