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Set max specular IBL reflection mip level to 4.0 to match the number of generated mips.

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Joey de Vries
2017-10-21 10:07:19 +02:00
parent 3a04c6f9f4
commit d4b675bbcd
2 changed files with 2 additions and 2 deletions
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2
src/6.pbr/2.2.1.ibl_specular/2.2.1.pbr.fs
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@@ -128,7 +128,7 @@ void main()
vec3 diffuse = irradiance * albedo;
// sample both the pre-filter map and the BRDF lut and combine them together as per the Split-Sum approximation to get the IBL specular part.
const float MAX_REFLECTION_LOD = 5.0;
const float MAX_REFLECTION_LOD = 4.0;
vec3 prefilteredColor = textureLod(prefilterMap, R, roughness * MAX_REFLECTION_LOD).rgb;
vec2 brdf = texture(brdfLUT, vec2(max(dot(N, V), 0.0), roughness)).rg;
vec3 specular = prefilteredColor * (F * brdf.x + brdf.y);

2
src/6.pbr/2.2.2.ibl_specular_textured/2.2.2.pbr.fs
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@@ -157,7 +157,7 @@ void main()
vec3 diffuse = irradiance * albedo;
// sample both the pre-filter map and the BRDF lut and combine them together as per the Split-Sum approximation to get the IBL specular part.
const float MAX_REFLECTION_LOD = 5.0;
const float MAX_REFLECTION_LOD = 4.0;
vec3 prefilteredColor = textureLod(prefilterMap, R, roughness * MAX_REFLECTION_LOD).rgb;
vec2 brdf = texture(brdfLUT, vec2(max(dot(N, V), 0.0), roughness)).rg;
vec3 specular = prefilteredColor * (F * brdf.x + brdf.y);