Reinterpret bits cast float ->int in GLSL

问题

I need the GLSL equivalent of

float f; 
int   i = *(int *)&f;

I know that there is floatBitsToInt() , but unfortunately it's in 3.3 GL version and upper. I need it for 3.0.

Any thoughts?

来源：https://stackoverflow.com/questions/48025910/reinterpret-bits-cast-float-int-in-glsl