Return 2 raised to the power of the parameter
float exp2(float x)
vec2 exp2(vec2 x)
vec3 exp2(vec3 x)
vec4 exp2(vec4 x)x specify the value of the power to which 2 will be raised.
exp2() returns 2 raised to the power of x.
Return 2 raised to the power of the parameter
float exp2(float x)
vec2 exp2(vec2 x)
vec3 exp2(vec3 x)
vec4 exp2(vec4 x)x specify the value of the power to which 2 will be raised.
exp2() returns 2 raised to the power of x.