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Make envmap reflexion less blurry

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Vincent Lejeune 2014-11-08 00:57:49 +01:00
parent d7f3198ac9
commit 5eefe0c0ad
1 changed files with 1 additions and 1 deletions
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data/shaders/diffuseenvmap.frag
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@ -49,7 +49,7 @@ void main(void)
vec3 sampleDirection = reflect(-eyedir, normal);
sampleDirection = (InverseViewMatrix * vec4(sampleDirection, 0.)).xyz;
float specval = texture(ntex, uv).z;
float specval = pow(texture(ntex, uv).z, 2.);
// From http://graphics.cs.williams.edu/papers/EnvMipReport2013/
int texSize = textureSize(tex, 0).x;
float lodval = clamp(log2(texSize * sqrt(3)) - .5 * log2(specval + 1), 0., 10.);