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How do you make an LCD image into a CRT image?

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DickTurpin:

Excellent sounds just the ticket Sjaak. Will be looking into that for my build and dropping the graphics card route.
Thanks for saving me £60. Edit: I've used/coded shading effects before in games.  ;D

Sjaak:


--- Quote from: DickTurpin on July 14, 2013, 01:12:29 pm ---I've used/coded shading effects before in games.  ;D

--- End quote ---

Then you should take a look at the shader code in the mame hlsl folder...there's some great stuff in there

epetti:

Are the defaults for the hlsl effects pretty good if you turn them on, or anyone have suggestions on good numbers and images for the scan lines? There's a daunting number of parameters to dial.

Ond:


--- Quote from: epetti on July 14, 2013, 04:47:47 pm ---Are the defaults for the hlsl effects pretty good if you turn them on, or anyone have suggestions on good numbers and images for the scan lines? There's a daunting number of parameters to dial.

--- End quote ---

The defaults are not great, I got this working really nicely on the weekend though.  I can post the config and sample screens when I finish up at work. The settings are not that daunting but it does help to understand how CRTs work.  I'm. sure others have their configs available.

epetti:

I'm curious about performance of games with it on and off.  From what I understand MAME almost entirely uses the CPU versus any of the GPU.  But I'm assuming that the hlsl stuff is pretty much entirely on the GPU.  So does that mean theoretically if you have a decent GPU turning on hlsl should not very much effect the performance of the games you're running?

Also, I'm assuming unless you have mame .149 and the new vector settings there, you want these settings off for vector games as they wouldn't have had scanline effects?


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