//This file is automatically rebuilt by the Cesium build process.
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export default "/**\n\
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* Converts a CIE Yxy color to RGB.\n\
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* <p>The conversion is described in\n\
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* {@link http://content.gpwiki.org/index.php/D3DBook:High-Dynamic_Range_Rendering#Luminance_Transform|Luminance Transform}\n\
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* </p>\n\
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* \n\
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* @name czm_XYZToRGB\n\
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* @glslFunction\n\
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* \n\
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* @param {vec3} Yxy The color in CIE Yxy.\n\
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*\n\
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* @returns {vec3} The color in RGB.\n\
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*\n\
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* @example\n\
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* vec3 xyz = czm_RGBToXYZ(rgb);\n\
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* xyz.x = max(xyz.x - luminanceThreshold, 0.0);\n\
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* rgb = czm_XYZToRGB(xyz);\n\
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*/\n\
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vec3 czm_XYZToRGB(vec3 Yxy)\n\
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{\n\
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const mat3 XYZ2RGB = mat3( 3.2405, -0.9693, 0.0556,\n\
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-1.5371, 1.8760, -0.2040,\n\
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-0.4985, 0.0416, 1.0572);\n\
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vec3 xyz;\n\
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xyz.r = Yxy.r * Yxy.g / Yxy.b;\n\
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xyz.g = Yxy.r;\n\
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xyz.b = Yxy.r * (1.0 - Yxy.g - Yxy.b) / Yxy.b;\n\
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\n\
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return XYZ2RGB * xyz;\n\
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}\n\
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";
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