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Fix Importance sampling

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This commit is contained in:
Vincent Lejeune 2014-12-08 19:16:26 +01:00
parent 2b0680d92d
commit 72fdf816e7
1 changed files with 2 additions and 2 deletions
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4
data/shaders/importance_sampling_specular.frag
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@ -20,8 +20,8 @@ void main(void)
for (int i = 0; i < 1024; i++)
{
float Theta = texelFetch(samples, 2 * i).r;
float Phi = texelFetch(samples, 2 * i).g;
float Theta = texelFetch(samples, i).r;
float Phi = texelFetch(samples, i).g;
vec3 L = cos(Theta) * RayDir + sin(Theta) * cos(Phi) * Tangent + sin(Theta) * sin(Phi) * Bitangent;
float NdotL = clamp(dot(RayDir, L), 0., 1.);