playcanvas

Version:

PlayCanvas WebGL game engine

13 lines (11 loc) • 421 B

JavaScript

var tonemappingHejlPS = `
uniform float exposure;
vec3 toneMap(vec3 color) {
	color *= exposure;
	const float  A = 0.22, B = 0.3, C = .1, D = 0.2, E = .01, F = 0.3;
	const float Scl = 1.25;
	vec3 h = max( vec3(0.0), color - vec3(0.004) );
	return (h*((Scl*A)*h+Scl*vec3(C*B,C*B,C*B))+Scl*vec3(D*E,D*E,D*E)) / (h*(A*h+vec3(B,B,B))+vec3(D*F,D*F,D*F)) - Scl*vec3(E/F,E/F,E/F);
}
`;

export { tonemappingHejlPS as default };