Error in shader example (opengl)

Core Library Questions

milespeyt..

in Core Library Questions • 1 year ago

Hi all,

I'm running Processing 2.0a6 on Mac OSX 10.7.3.

Since I've been meaning to learn about shaders, I was pleased to find out there were included examples. However, each one returns an error:

In EdgeDetect.pde: Cannot find anything named "TEXTURE_SHADER"

In FXAA.pde: Cannot find anything named "TEXTURE_SHADER"

In ToonShading.pde: Cannot find anything named "LIGHT_SHADER"

I'm not sure how to troubleshoot this, any ideas?

Thanks

Replies(1)

andres

1 year ago

Hi, for the time being just prepend "PGraphicsOpenGL." to the shader constants. So the EdgeDetect example should look like:

These examples will be updated in the next release.

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