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Optimization of specular calculation in fragment shader

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--HG--
extra : convert_revision : svn%3A7752d6cf-9f14-4ad2-affc-04f1e67b81a5/trunk%4027
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kearwood
2012-04-05 21:47:49 +00:00
parent 75e42c08fd
commit 03b749b93c
1 changed files with 3 additions and 3 deletions
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6
KREngine/KREngine/Shaders/ObjectShader.fsh
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@@ -109,9 +109,9 @@ void main()
#if ENABLE_PER_PIXEL == 1 #if ENABLE_PER_PIXEL == 1
mediump float lamberFactor = max(0.0,dot(lightVec, normal)); mediump float lamberFactor = max(0.0,dot(lightVec, normal));
mediump float specularFactor = 0.0; mediump float specularFactor = 0.0;
if(material_shininess > 0.0) { //if(material_shininess > 0.0) {
specularFactor = max(0.0,pow(dot(halfVec,normal), material_shininess)); specularFactor = max(0.0,pow(max(dot(halfVec,normal), 0.0), material_shininess));
} //}
#endif #endif
#if HAS_DIFFUSE_MAP == 1 #if HAS_DIFFUSE_MAP == 1