private void prepareShaders(GL gl, GlslShader vert, GlslShader frag) throws Exception {
vert.compile(gl);
if (!vert.isValid(gl)) throw new Exception("vertex shader: " + vert.getInfoLog(gl));
frag.compile(gl);
if (!frag.isValid(gl)) throw new Exception("fragment shader: " + frag.getInfoLog(gl));
program = gl.glCreateProgram();
attachShader(gl, frag);
attachShader(gl, vert);
link(gl);
if (!isValid(gl)) throw new Exception(getInfoLog(gl));
}
public void attachShader(GL gl, GlslShader shader) {
gl.glAttachShader(program, shader.getName());
}
