playcanvas

Version:

Open-source WebGL/WebGPU 3D engine for the web

29 lines (28 loc) • 675 B

JavaScript

var tonemappingAces2_default = `
const mat3 ACESInputMat = mat3(
	0.59719, 0.35458, 0.04823,
	0.07600, 0.90834, 0.01566,
	0.02840, 0.13383, 0.83777
);
const mat3 ACESOutputMat = mat3(
	 1.60475, -0.53108, -0.07367,
	-0.10208,  1.10813, -0.00605,
	-0.00327, -0.07276,  1.07602
);
vec3 RRTAndODTFit(vec3 v) {
	vec3 a = v * (v + 0.0245786) - 0.000090537;
	vec3 b = v * (0.983729 * v + 0.4329510) + 0.238081;
	return a / b;
}
vec3 toneMap(vec3 color) {
	color *= getExposure() / 0.6;
	color = color * ACESInputMat;
	color = RRTAndODTFit(color);
	color = color * ACESOutputMat;
	color = clamp(color, 0.0, 1.0);
	return color;
}
`;
export {
	tonemappingAces2_default as default
};