LYGIA Shader Library

Dependencies:

• lygia/lighting/shadingData/shadingData.glsl
• lygia/lighting/material.glsl
• lygia/lighting/reflection.glsl
• lygia/lighting/ior/reflectance2f0.glsl
• lygia/lighting/common/perceptual2linearRoughness.glsl

Check it on Github

#ifndef FNC_SHADING_DATA_NEW
#define FNC_SHADING_DATA_NEW 

ShadingData shadingDataNew() {
   ShadingData shadingData;

   shadingData.V = vec3(0.0, 0.0, 0.0);
   shadingData.N = vec3(0.0, 0.0, 0.0);
   shadingData.H = vec3(0.0, 0.0, 0.0);
   shadingData.L = vec3(0.0, 0.0, 0.0);
   shadingData.R = vec3(0.0, 0.0, 0.0);

   shadingData.NoV = 0.0;
   shadingData.NoL = 0.0;
   shadingData.NoH = 0.0;

   shadingData.roughness = 0.0;
   shadingData.linearRoughness = 0.0;
   shadingData.diffuseColor = vec3(0.0, 0.0, 0.0);
   shadingData.specularColor = vec3(0.0, 0.0, 0.0);

   shadingData.energyCompensation = vec3(1.0, 1.0, 1.0);

   shadingData.directDiffuse = vec3(0.0, 0.0, 0.0);
   shadingData.directSpecular = vec3(0.0, 0.0, 0.0);
   shadingData.indirectDiffuse = vec3(0.0, 0.0, 0.0);
   shadingData.indirectSpecular = vec3(0.0, 0.0, 0.0);

   return shadingData;
}

void shadingDataNew(Material mat, inout ShadingData shadingData) {
   float dielectricF0 = reflectance2f0(mat.reflectance);
   shadingData.N = mat.normal;
   shadingData.R = reflection(shadingData.V, shadingData.N, mat.roughness);
   shadingData.NoV = dot(shadingData.N, shadingData.V);
   shadingData.roughness = max(mat.roughness, MIN_PERCEPTUAL_ROUGHNESS);
   shadingData.linearRoughness = perceptual2linearRoughness(shadingData.roughness);
   shadingData.diffuseColor = mat.albedo.rgb * (1.0 - mat.metallic);
   shadingData.specularColor = mix(vec3(dielectricF0, dielectricF0, dielectricF0), mat.albedo.rgb, mat.metallic);
}

#endif

Dependencies:

• lygia/lighting/shadingData/shadingData.glsl
• lygia/lighting/material.glsl
• lygia/lighting/reflection.glsl
• lygia/lighting/ior/reflectance2f0.glsl
• lygia/lighting/common/perceptual2linearRoughness.glsl

Check it on Github

#ifndef FNC_SHADING_DATA_NEW
#define FNC_SHADING_DATA_NEW 

ShadingData shadingDataNew() {
   ShadingData shadingData;

   shadingData.V = float3(0.0, 0.0, 0.0);
   shadingData.N = float3(0.0, 0.0, 0.0);
   shadingData.H = float3(0.0, 0.0, 0.0);
   shadingData.L = float3(0.0, 0.0, 0.0);
   shadingData.R = float3(0.0, 0.0, 0.0);

   shadingData.NoV = 0.0;
   shadingData.NoL = 0.0;
   shadingData.NoH = 0.0;

   shadingData.roughness = 0.0;
   shadingData.linearRoughness = 0.0;
   shadingData.diffuseColor = float3(0.0, 0.0, 0.0);
   shadingData.specularColor = float3(0.0, 0.0, 0.0);

   shadingData.energyCompensation = float3(1.0, 1.0, 1.0);

   shadingData.directDiffuse = float3(0.0, 0.0, 0.0);
   shadingData.directSpecular = float3(0.0, 0.0, 0.0);
   shadingData.indirectDiffuse = float3(0.0, 0.0, 0.0);
   shadingData.indirectSpecular = float3(0.0, 0.0, 0.0);

   return shadingData;
}

void shadingDataNew(Material mat, inout ShadingData shadingData) {
   float dielectricF0 = reflectance2f0(mat.reflectance);
   shadingData.N = mat.normal;
   shadingData.R = reflection(shadingData.V, shadingData.N, mat.roughness);
   shadingData.NoV = dot(shadingData.N, shadingData.V);
   shadingData.roughness = max(mat.roughness, MIN_PERCEPTUAL_ROUGHNESS);
   shadingData.linearRoughness = perceptual2linearRoughness(shadingData.roughness);
   shadingData.diffuseColor = mat.albedo.rgb * (1.0 - mat.metallic);
   shadingData.specularColor = lerp(float3(dielectricF0, dielectricF0, dielectricF0), mat.albedo.rgb, mat.metallic);
}

#endif