所有图像特效如果无法在用户显卡上运行时将会自动被关闭。

All image effects automatically disable themselves when they can not run on end-users graphics card.

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正向渲染模式下，HDR仅支持在如果目前有一个图像特效的情况下。

In forward rendering mode HDR is only supported if you have an image effect present.

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当你编写复杂的着色器或图像特效时，要切记不同平台间的渲染差异特性。

When implementing complex shaders or Image Effects, keep Rendering Differences Between Platforms in mind.

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