@Override
public boolean detach(GL11 gl, Overlay overlay) {
if (originalCullFace) {
gl.glEnable(GL_CULL_FACE);
} else {
gl.glDisable(GL_CULL_FACE);
}
gl.glFrontFace(originalFaceMode);
return true;
}
@Override
public void attach(GL11 gl) {
originalCullFace = gl.glIsEnabled(GL_CULL_FACE);
originalFaceMode = GlUtil.getInteger(gl, GL_FRONT_FACE);
switch (faceMode) {
case Front:
if (!originalCullFace) gl.glEnable(GL_CULL_FACE);
gl.glFrontFace(GL_CCW);
break;
case Back:
if (!originalCullFace) gl.glEnable(GL_CULL_FACE);
gl.glFrontFace(GL_CW);
break;
case BothSide:
gl.glDisable(GL_CULL_FACE);
break;
}
}