progs/fpglsl/for.glsl

   1 uniform int KernelSizeInt;
   2
   3 void main() {
   4     int i;
   5     vec4 sum = vec4(0.0);
   6     for (i = 0; i < KernelSizeInt; ++i) {
   7         sum.g += 0.25;
   8     }
   9     sum.a = 1.0;
  10     gl_FragColor = sum;
  11 }