Shader Nodes

Instead of relying on a single shader, a material network that uses multiple shader nodes is often built. To make the artist’s life easier and keep the learning curve to a minimum, AMD Radeon ProRender supports numerous shader nodes available in Blender, and complements those with its own nodes.

For your convenience, the nodes are organized in the Add menu in the Shader Editor. The menu includes the most popular Blender nodes supported by AMD Radeon ProRender and RPR nodes to help you create the materials you need. You can also use search to find the nodes you require.

RPR Nodes

Node	Group	Description
RPR Layered Shader	Shader	Blends a user-defined number of materials.
RPR Layered Texture	Texture	Blends a user-defined number of textures.
RPR Lookup	Input	Provides information about the position and orientation of each point of the surface that is being sampled (normal angle, incident angle).
RPR Math	Converter	Performs shading math operations (add, multiply, dot, etc.).
RPR Passthrough	Shader	A simple color BSDF node.
RPR Procedural UV	Input	A procedural UV projection node.
RPR Toon	Shader	Enables cartoon-style shading for a non-photorealistic look. Toon shaders can be used in a ‘simple’ mode for just setting a color or a gradient of different colors for shadow versus lit areas of the object.
RPR Uber	Shader	A complex material that combines several inputs to generate one large shader, alleviating the need to group many shader nodes together. For details, see the Uber Shader and Using Uber Shader in Blender sections in the documentation.

Support for Blender Nodes

AMD Radeon ProRender supports all of the Blender nodes available in the Add menu, with a number of exceptions described below.

Node	Group	Not Supported
Geometry	Input	The following outputs are not supported: Tangent True Normal Parametric Backfacing Pointiness
Image Texture	Texture	The following options are not supported: All interpolation options except Linear All projection options except Flat and Box
MixRGB	Color	The following blend types are not supported: Saturation Hue Linear Light Soft Light Overlay Dodge Screen Lighten Burn
Normal Map	Vector	Not supported: UV Map property Tangent Space mode
Texture Coordinate	Input	Not supported: Camera Window Reflection Generated (uses UV instead) The Object mode is not supported. When this mode is selected, RPR uses the Position mode (see the Geometry node).
Principled Volume	Shader	Not supported: Color Attribute Density Attribute (versions 2.80-2.82) Temperature Attribute (version 2.80-2.82) Limited support (Blender version 2.83 or newer): Density Attribute - value(grid name) is supported for OpenVDB Smoke volumes only. Unsupported for other volume object types. If a grid with such name couldn’t be found the ‘density’ grid is used instead. Temperature Attribute - supported for OpenVDB Smoke volumes only. If such a grid could not be found the ‘temperature’ grid is used (if present), ‘density’ if none found.
Hair BSDF	Shader	The following inputs are not supported: Tangent
Voronoi	Shader	Supports only: Dimensions: 2D and 3D Features: F1 Distance: Euclidian