//This file is automatically rebuilt by the Cesium build process.
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export default "/**\n\
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* DOC_TBA\n\
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*\n\
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* @name czm_multiplyWithColorBalance\n\
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* @glslFunction\n\
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*/\n\
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vec3 czm_multiplyWithColorBalance(vec3 left, vec3 right)\n\
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{\n\
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// Algorithm from Chapter 10 of Graphics Shaders.\n\
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const vec3 W = vec3(0.2125, 0.7154, 0.0721);\n\
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\n\
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vec3 target = left * right;\n\
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float leftLuminance = dot(left, W);\n\
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float rightLuminance = dot(right, W);\n\
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float targetLuminance = dot(target, W);\n\
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\n\
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return ((leftLuminance + rightLuminance) / (2.0 * targetLuminance)) * target;\n\
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}\n\
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";
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