This prototype is currently CPU only and only requires a single Quality control. GI Next allows for all mental ray features like motion blur, lens shaders, more light paths, and more to be rendered using a new brute force based algorithm. GI “Next”, which is an improvement on the ideas first shown in GI on the GPU.Memory management improved for large scenes.The separation of the raylib component from the integration, meaning the possibility of updates to mental ray without changing the plugin (Dynamic raylib for integrations).GPU accelerated AO and GI faster than before using updated OptiX Prime libraries.The ability to render scenes in Iray for Maya or mental ray using the same MDL materials (partial support for some effects in 3.13).Useful Multiple Importance Sampling when using MDL materials and the option for MIS turned on (string option for now).Improved texture caching performance of tiled and mipmapped file formats.This mode now better matches progressive off. Improved convergence of Progressive Rendering.Lights must be physically plausible, i.e. Especially when there is high contrast lighting and use of HDRI mapping to area lights. Improved Light Importance Sampling - scenes with many lights of any type can benefit.Improvements to the mental ray 3.13 core include: You can find their introduction to 2016 here: mental ray for Maya 2016 Keep an eye on the official mental ray blog for more information as well as MDL examples. Note that MDL will be covered later as materials are made available.
Newer techniques begin to rely on the core itself to optimize the scene (Light IS, MDL, GI Next, MIS, etc.) and the use of the GPU, when possible, to speed up rendering. To take the most advantage of new techniques it’s recommended you use the MILA or MDL materials and area lights (including the newly integrated object lights) when possible. The emphasis is on simplified rendering using abstracted quality controls and global controls that are easy to find–changing how users interact with mental ray and reducing the decisions or options you might need to consider.
You can find the plugin download here: mental ray for maya This may allow updates out-of-sync with Maya releases. You will also notice mental ray is truly a separate plugin for Maya and installs separately. This begins the long awaited move to modern rendering in Maya workflows. This is the greatest amount of change in several versions and may be disorienting for experienced users. Maya 2016 brings a list of changes to rendering with mental ray.
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