Features

This is a brief list of Lightsprint features, see Calculation and outputs, API overview and Samples for more details.

Platforms, compilers etc.

• Supported platforms

Data input / output

• reads 95+ standard file formats, writes 20+ file formats
• Supported formats

Global illumination

• portfolio of Techniques, optimized for different use cases
• realtime global illumination / realtime radiosity / realtime pathtracing
• realtime penumbra shadows, soft shadows, RGB shadows, RGB blending
• realtime color bleeding
• dynamic lights
• dynamic objects
• dynamic skybox
• multithreaded, all cores/CPUs and GPU work at once
• supports work distributed in cluster of computers
• computed and rendered in HDR
• custom color space on inputs/outputs (linear/sRGB/other)

Light source formats (inputs)

• spot, point, directinal lights
• area light
• projected texture, projected video, projected video capture
• environment (LDR, HDR, various skybox formats, 360 degree panorama, 360 degree video, 360 degree video capture, blend of environments)
• emissive materials (LDR, HDR textures, video, video capture)

Lighting computed (outputs)

• lightmap
• directional lightmap for radiosity normal mapping/RNM
• ambient map
• ambient occlusion, global ambient occlusion
• diffuse environment map
• specular environment map
• bent normal map
• vertex buffer with colors or bent normals
• illumination of triangle or vertex
• illumination at ray end
• any combination of direct/indirect/global illumination

Renderers

• includes modern extensible OpenGL / OpenGL ES based renderer
• integrates with external renderers (possibly based on Direct3D, Mantle, Metal etc. not demonstrated in SDK)
• includes CPU based pathtracer
• integrates with external pathtracers (demonstrated in SDK)

Stereo rendering

• side-by-side
• top-down
• interlaced
• Oculus Rift

Panorama rendering

• equirectangular
• little planet
• fisheye

Materials

• diffuse/specular/emissive/opacity/normalmap/heightmap slots
• video files and live video capture can be used in all slots
• index of refraction, shininess/roughness
• integrations support arbitrary 3rd party materials

Unwrap

• imports your unwrap
• automatically builds new unwrap

Tangent space

• imports your tangent space
• automatically builds new tangent space

Realtime/precomputed

• supports realtime illumination
• supports precomputed illumination
• supports mix of realtime and precomputed illumination