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[xna] Fixed an example shader fx compile error (occurring under some setups) at a pow() call.

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Harald Csaszar 2021-03-22 15:15:42 +01:00
parent 26b6d0816c
commit cd3b9816c2
1 changed files with 1 additions and 0 deletions
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spine-xna/example-content/SpineEffectNormalmap.fx
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@ -47,6 +47,7 @@ void GetLightContributionBlinnPhong(inout float3 diffuseResult, inout float3 spe
diffuseResult += lightDiffuse * max(0.0, dot(normal, -lightDirection)); diffuseResult += lightDiffuse * max(0.0, dot(normal, -lightDirection));
half3 halfVector = normalize(-lightDirection + viewDirection); half3 halfVector = normalize(-lightDirection + viewDirection);
float nDotH = max(0, dot(normal, halfVector)); float nDotH = max(0, dot(normal, halfVector));
specularExponent = max(0.00001, specularExponent); // prevent fx compiler error at pow() below
specularResult += lightSpecular * pow(nDotH, specularExponent); specularResult += lightSpecular * pow(nDotH, specularExponent);
} }