Sha256: 13c2271ccb159482e65ed2a5f3356990c6e472d77d4b834bf3101673a5489ba0
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Size: 491 Bytes
Versions: 12
Compression:
Stored size: 491 Bytes
Contents
/**
* DOC_TBA
*
* @name czm_multiplyWithColorBalance
* @glslFunction
*/
vec3 czm_multiplyWithColorBalance(vec3 left, vec3 right)
{
// Algorithm from Chapter 10 of Graphics Shaders.
const vec3 W = vec3(0.2125, 0.7154, 0.0721);
vec3 target = left * right;
float leftLuminance = dot(left, W);
float rightLuminance = dot(right, W);
float targetLuminance = dot(target, W);
return ((leftLuminance + rightLuminance) / (2.0 * targetLuminance)) * target;
}
Version data entries
12 entries across 12 versions & 1 rubygems