56285d6227
- contact shadows are now supported for point and spot lights - and are now independent from regular shadows, that is they can be enabled without enabling regular shadows The only limitation currently is that the distance and step count for ALL contact shadow are taken from the directional light options.
60 lines
1.3 KiB
GLSL
60 lines
1.3 KiB
GLSL
struct Light {
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vec4 colorIntensity; // rgb, pre-exposed intensity
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vec3 l;
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float attenuation;
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float NoL;
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bool castsShadows;
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bool contactShadows;
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uint shadowIndex;
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uint shadowLayer;
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};
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struct PixelParams {
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vec3 diffuseColor;
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float perceptualRoughness;
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float perceptualRoughnessUnclamped;
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vec3 f0;
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float roughness;
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vec3 dfg;
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vec3 energyCompensation;
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#if defined(MATERIAL_HAS_CLEAR_COAT)
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float clearCoat;
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float clearCoatPerceptualRoughness;
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float clearCoatRoughness;
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#endif
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#if defined(MATERIAL_HAS_ANISOTROPY)
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vec3 anisotropicT;
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vec3 anisotropicB;
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float anisotropy;
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#endif
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#if defined(SHADING_MODEL_SUBSURFACE) || defined(HAS_REFRACTION)
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float thickness;
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#endif
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#if defined(SHADING_MODEL_SUBSURFACE)
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vec3 subsurfaceColor;
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float subsurfacePower;
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#endif
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#if defined(SHADING_MODEL_CLOTH) && defined(MATERIAL_HAS_SUBSURFACE_COLOR)
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vec3 subsurfaceColor;
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#endif
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#if defined(HAS_REFRACTION)
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float etaRI;
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float etaIR;
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float transmission;
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float uThickness;
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vec3 absorption;
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#endif
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};
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float computeMicroShadowing(float NoL, float visibility) {
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// Chan 2018, "Material Advances in Call of Duty: WWII"
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float aperture = inversesqrt(1.0 - visibility);
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float microShadow = saturate(NoL * aperture);
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return microShadow * microShadow;
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}
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