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hlsl effects that dont require render to texture...

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alright guys. what kind of shader effects can be done wholly in hlsl?? eg bloom looks great, but required a render to texture of the objects that want blooming assigned to them. Is there a way to do these without a render to texture?

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Just out of curiosity, why do you want to avoid RTT?

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dont want to avoid it. Just out of curiosity really. everything that I've currently seen seems to rely on being able to render objects that require the effect to a texture first.

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That is what post processing is all about.

The reason why they are so popular is because for years research has been put into cool looking effects that can be achieved by manipulating pixels in an image and a lot of the techniques can be done completely in parallel (which is what GPUs do best).

There are still loads of effects that can be done without RTT, however, as bloom is essentially a post process blurring effect, I don't think it can be done outside of image space.

Regards,
ViLiO

[Edited by - ViLiO on September 21, 2006 11:41:58 AM]

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