Efficient pixel shader sum of all pixels

Posted by luvieere on Stack Overflow See other posts from Stack Overflow or by luvieere
Published on 2010-05-31T14:53:26Z Indexed on 2010/05/31 20:03 UTC
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Filed under:

c#

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wpf

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hlsl

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pixels

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pixel-shader

How can I efficiently calculate the sum of all pixels in an image, by using a HSLS pixel shader? I'm interested in Pixel Shader 2.0, that I could invoke as a WPF shader effect.

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