Keywords: main

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# 1. Functionality

mental ray offers all the features traditionally expected of photorealistic rendering, together with functionality not found in most rendering software. The following sections describe parallelism, free-form surface input geometry, edge merging and adjacency detection and various input entities such as materials, texture mapping and light sources, and global illumination features such as caustics.

- 1.1 Parallelism
- 1.2 Free-Form Surfaces
- 1.3 Edge Merging and Adjacency Detection
- 1.4 Special Points and Curves
- 1.5 Subdivision Surfaces
- 1.6 Atmospheres and Volumes
- 1.7 Materials
- 1.8 Light Sources
- 1.9 Area Light Sources
- 1.10 IES and Eulumdat Light Profiles3.1
- 1.11 Shadow Maps
- 1.12 Texture Mapping and Texture Files
- 1.13 Memory-mapped Textures
- 1.14 Bump, Displacement, and Reflection Mapping
- 1.15 Texture Filtering
  - 1.15.1 Pyramid Filtering
  - 1.15.2 Elliptical Projection Filter Lookup
- 1.16 Light Mapping3.x
- 1.17 Multipass Rendering3.1
- 1.18 User-Defined Shaders
- 1.19 The Camera
- 1.20 Lens Effects
- 1.21 Depth of Field
- 1.22 Animation
- 1.23 Motion Blur
- 1.24 Sampling Algorithms
- 1.25 OpenGL Acceleration
- 1.26 Color Calculations
- 1.27 Output Shaders
- 1.28 Pixel Coverage
- 1.29 Contours
- 1.30 Caustics
  - 1.30.1 Light Sources
  - 1.30.2 Objects
  - 1.30.3 Material Shaders and Photon Shaders for Caustics
  - 1.30.4 Physically Plausible Material Shaders
  - 1.30.5 Shader Functions
  - 1.30.6 Fine-tuning Caustics
- 1.31 Global Illumination
  - 1.31.1 Light Sources
  - 1.31.2 Objects
  - 1.31.3 Fine-tuning Global Illumination
- 1.32 Final Gathering
- 1.33 Volume Caustics
- 1.34 Global Illumination in Participating Media
- 1.35 Diagnostic modes