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AppGameKit Studio Chat / [SOLVED] Sprite blur shader compatible with AGK Studio

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CatfoodMcFly
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Joined: 24th Jan 2015
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Posted: 16th Jun 2020 16:48 Edited at: 16th Jun 2020 16:49
Hello. First off, I am a shader ignoramus but on an old thread I found a pixel shader that seemed very short and simple and would blur a sprite, which was precisely what I needed.

However, once I attempted to run this in Studio, it crashed with the message: Pixel shader "shader/blue.ps" has varying "vec2 posVarying;" that does not exist in the vertext shader, etc.

I assumed this was due to incompatibility with AppGameKit studio, so I tried the same thing in AppGameKit classic. Sure enough, it worked!

Does anyone know what I would need to do to make this little shader compatible with Studio, or is it a lost cause? Thank you!

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Bengismo
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Joined: 20th Nov 2017
Location: Yorkshire, England
Posted: 16th Jun 2020 19:26 Edited at: 16th Jun 2020 19:29
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You aren't using the posVarying variable in the shader ..... so you might as well just delete the line defining it since you aren't using it.


And you should probably be dividing the colour by 49 (7*7) as thats how many samples you are taking to do the blur (unless you want a darker colour)
CatfoodMcFly
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Posted: 16th Jun 2020 21:10
Deleting that line did the trick! Thank you so much. I had been trying all kinds of work arounds to make a blur, this is so much easier and more effective.

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