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BRDF LUT order fix.

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Joey de Vries
2017-04-03 21:18:57 +02:00
parent d6733b10db
commit f11c65f673
1 changed files with 2 additions and 2 deletions
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4
src/6.pbr/2.2.1.ibl_specular/2.2.1.brdf.frag
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@@ -66,7 +66,7 @@ float GeometrySmith(vec3 N, vec3 V, vec3 L, float roughness)
return ggx1 * ggx2;
}
// ----------------------------------------------------------------------------
vec2 IntegrateBRDF(float roughness, float NdotV)
vec2 IntegrateBRDF(float NdotV, float roughness)
{
vec3 V;
V.x = sqrt(1.0 - NdotV*NdotV);
@@ -108,6 +108,6 @@ vec2 IntegrateBRDF(float roughness, float NdotV)
// ----------------------------------------------------------------------------
void main()
{
vec2 integratedBRDF = IntegrateBRDF(TexCoords.y, TexCoords.x);
vec2 integratedBRDF = IntegrateBRDF(TexCoords.x, TexCoords.y);
FragColor = integratedBRDF;
}