tehmou/WebGL-from-Scratch — Issue #2: On FireFox the y-coordinate is flipped
Author: tehmou
Created: 2012-01-20 10:04:44+00:00
State: open

It seems either WebKit or FireFox has a different coordinate system (topleft vs. bottomleft), and the gl_FragCoord of the fragment shader is vertically mirrored.