ViroShaderModifiers

ViroShaderModifiers is a collection of modifiers grouped by the specific stage of the rendering pipeline where they should be injected. Each property can be either a raw GLSL string (which defaults to the body) or a ViroShaderModifier object for more control.

Property	Types	Description	Required
geometry	string | ViroShaderModifier	Modifies vertex data before it is transformed by the model-view-matrix.	optional
vertex	string | ViroShaderModifier	Modifies the vertex position after it has been transformed into post-projection (NDC) space.	optional
surface	string | ViroShaderModifier	Modifies surface properties (diffuse color, normals, roughness, etc.) before lighting is calculated.	optional
fragment	string | ViroShaderModifier	Modifies the final pixel color after all lighting calculations are complete.	optional
lightingModel	string | ViroShaderModifier	Allows you to override or extend how light interacts with the surface.	optional