@Override
public void compile() {
int newSize = layers.getSize();
if (newSize <= 0) {
BufferObject.release(layers.vbo);
layers.vbo = null;
isReady = false;
return;
}
if (layers.vbo == null) {
layers.vbo = BufferObject.get(newSize);
if (layers.vbo == null) return;
}
if (GLRenderer.uploadLayers(layers, newSize, true)) isReady = true;
}
/** cleanup only when layers are not used by tile or layer anymore! */
public void clear() {
/* NB: set null calls clear() on each layer! */
setBaseLayers(null);
setTextureLayers(null);
setExtrusionLayers(null);
mCurLayer = null;
if (vbo != null) vbo = BufferObject.release(vbo);
}