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Neon glows effect

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if you have DX SDK 9 in the Sample Browser under Direct 3D there is a program called EffectEdit. In it there is a glowing effect using a vertex shader.

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I think he''s referring more to a soft-edge glow. The sort of thing called bloom in traditional photography.

I remember someone on here discussing one method using a quad overlaid on the screen with simple pixel shader gaussian blur on the pixels written to the quad''s texture. I have no idea how to go about implementing that, though.

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An engineer from NVIDIA gave a talk on this at the DX Meltdown in Seattle this summer.

Here''s a link to a PDF of his slides:

http://developer.nvidia.com/docs/IO/8228/D3DTutorial_EffectsNV.pdf

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