Update leenkx/Shaders/std/tonemap.glsl

leenkx/Shaders/std/tonemap.glsl

@@ -11,6 +11,8 @@ vec3 uncharted2Tonemap(const vec3 x) {
 vec3 tonemapUncharted2(const vec3 color) {
 	const float W = 11.2;
 	const float exposureBias = 2.0;
+    // TODO - Find out why black world value of 0.0,0.0,0.0 turns to white pixels
+	if (dot(color, color) < 0.001) return vec3(0.001);
 	vec3 curr = uncharted2Tonemap(exposureBias * color);
 	vec3 whiteScale = 1.0 / uncharted2Tonemap(vec3(W));
 	return curr * whiteScale;