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Question by Lior · Feb 29, 2012 at 04:31 PM · shader beginner surface surface shader

Z value shader

I want to create a surface shader that outputs a grayscale value based on the pixel's z value. How can I do that?

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Answer by Berenger · Feb 29, 2012 at 04:59 PM

To more experiences guys : is it possible to retrieve some depth information in vertex shader with position.w * frustrumLength ?

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