@Override
    public void glUniform1i(final int location, final int v0) {
        GL20.glUniform1i(location, v0);
    }
The LWJGL implementation of interfaces {@link GL}, {@link GL2}, {@link GL3}, {@link GL4}.
jme3-lwjgl3/src/main/java/com/jme3/renderer/lwjgl/LwjglGL.java