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| ** |
| ** Copyright (C) 2014 NVIDIA Corporation. |
| ** Copyright (C) 2019 The Qt Company Ltd. |
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| |
| vec4 normalizedMix( in bsdf_component components[1] ) |
| { |
| return( components[0].component ); |
| } |
| |
| vec4 normalizedMix( in bsdf_component components[2] ) |
| { |
| float sum = components[0].weight + components[1].weight; |
| float invSum = ( sum <= 1.0 ) ? 1.0 : 1.0 / sum; |
| return( invSum * ( components[0].weight * components[0].component + components[1].weight * components[1].component ) ); |
| } |
| |