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Corrected object shader's specularFactor calculation, which would result in NaN values that may propagate on some GPU's to the rest of the color calculation. This resulted in blocks of black pixels on some GPU's including the iPhone 6.

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Kearwood Gilbert
2014-10-05 23:20:34 -07:00
parent 2ea641c28c
commit 187b87bdae
2 changed files with 8 additions and 2 deletions
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5
kraken_standard_assets_ios/Shaders/ObjectShader.fsh
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@@ -252,7 +252,10 @@ void main()
#if GBUFFER_PASS == 3
specularFactor = gbuffer_specular_factor;
#else
specularFactor = max(0.0,pow(dot(halfVec,normal), material_shininess));
mediump float halfVecDot = dot(halfVec,normal);
if(halfVecDot > 0.0) {
specularFactor = max(0.0,pow(halfVecDot, material_shininess));
}
#endif
}

5
kraken_standard_assets_osx/Shaders/ObjectShader_osx.fsh
View File

@@ -252,7 +252,10 @@ void main()
#if GBUFFER_PASS == 3
specularFactor = gbuffer_specular_factor;
#else
specularFactor = max(0.0,pow(dot(halfVec,normal), material_shininess));
mediump float halfVecDot = dot(halfVec,normal);
if(halfVecDot > 0.0) {
specularFactor = max(0.0,pow(halfVecDot, material_shininess));
}
#endif
}