Basic OpenGL ES2 (iPhone Simulator) question...
- by David
Hi!
I'm trying to modify the fragment shader which is part of the standard iPhone/XCode OpenGL ES template. I want to make it so that every other row of pixels is transparent. I have this code so far:
varying lowp vec4 colorVarying;
void main()
{
gl_FragColor = vec4(colorVarying.x, colorVarying.y, colorVarying.z, floor(mod(gl_FragCoord.y,…