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fixed bug in phong GLSL preview

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Wenzel Jakob 2010-09-07 22:02:40 +02:00
parent ae39518ca0
commit 11a47e1851
1 changed files with 3 additions and 4 deletions
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7
src/bsdfs/phong.cpp
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@ -318,10 +318,9 @@ public:
<< " if (wi.z < 0.0 || wo.z < 0.0)" << endl
<< " return vec3(0.0);" << endl
<< " vec3 R = vec3(-wi.x, -wi.y, wi.z);" << endl
<< " float alpha = dot(R, wo);" << endl
<< " if (alpha < 0.0)" << endl
<< " return vec3(0.0);" << endl
<< " float specRef = pow(alpha, " << evalName << "_exponent) * " << endl
<< " float specRef = 0.0, alpha = dot(R, wo);" << endl
<< " if (alpha > 0.0)" << endl
<< " specRef = pow(alpha, " << evalName << "_exponent) * " << endl
<< " (" << evalName << "_exponent + 2) * 0.15915 * " << evalName << "_ks;" << endl
<< " return " << depNames[0] << "(uv) * (0.31831 * " << evalName << "_kd)" << endl
<< " + " << depNames[1] << "(uv) * specRef;" << endl