Woahdude is an Open Source project app that handles OpenGL Shader Language programs! It contains some Predefined Fragment Shaders, which you can open, edit, and run to see your code in action! Just make sure to implement the 4 uniforms: time, color, mouse and resolution.
Can't edit shaders
Experiencing a bug where when I try to select a certain point in the shader, a large white section appears, covering about 2/3 of the screen. If I select another point, it covers the entire screen. Essentially impossible to edit the shaders.
Backbuffer?
Thanks for the app my dude. Is there access to a backbuffer of the previous frame? Blessings ❤️
Good idea, but bugs prevent actual use.
I haven’t figured out yet what’s going on, but trying to edit a custom shader always ends up crashing the option to save. The button flashes, but nothing happens, and no changes are saved. I have the same code working elsewhere, and I seem to be able to save the first few times...but then it stops working, and no amount of restarting the app fixes it. It’s not a shader error, because code that used to run fine is also affected, and is no longer editable/saved.
Update for iPhone X.
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