/// <summary>
/// This method must be called when CanvasRenderer.cull is modified.
/// 画布渲染器剔除修改回调
/// </summary>
/// <remarks>
/// This can be used to perform operations
/// that were previously skipped because the <c>Graphic</c> was culled.
/// </remarks>
public virtual void OnCullingChanged()
{
if (!canvasRenderer.cull && (m_VertsDirty || m_MaterialDirty))
{
/// When we were culled, we potentially skipped calls to <c>Rebuild</c>.
BrandoCanvasUpdateRegistry.RegisterCanvasElementForGraphicRebuild(this);
}
}
/// <summary>
/// Mark the material as dirty and needing rebuilt.
/// 标记材质为脏，将重建
/// </summary>
/// <remarks>
/// Send a OnDirtyMaterialCallback notification
/// if any elements are registered. See RegisterDirtyMaterialCallback
/// </remarks>
public virtual void SetMaterialDirty()
{
if (IsActive())
{
m_MaterialDirty = true;
BrandoCanvasUpdateRegistry.RegisterCanvasElementForGraphicRebuild(this);
m_OnDirtyMaterialCallback?.Invoke();
}
}
