Edit a pass of postprocessing shader on top of a live web page canvas element.
A chrome extension that let you edit / hack a pass of webgl post-processing shader on top of any canvas of any live web page.
Hit the button of the extension, and the editor will show up.
It grabs the first canvas of the DOM tree, click again so it goes to the next one etc..
Accessible uniforms :
float iGlobalTime : current time
vec2 mouse : ( - 1 to 1 ) position of the mouse on screen
sampler2D tInput : texture from the canvas
vec2 iResolution : resolution of the screen.
vec2 uv : UV coordinates