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MoonRay – DreamWorks’ open-source MCRT renderer

71 points by ColinWright 3y ago

dano 3y ago
Demo video https://www.youtube.com/watch?v=RgVbXwfCy3w https://www.youtube.com/watch?v=RgVbXwfCy3w
samwillis 3y ago
Previous discussion from when it was announced that they were open sourcing it: https://news.ycombinator.com/item?id=32357470 https://news.ycombinator.com/item?id=32357470 (109 comments)
andybak 3y ago
Blender post regarding it from back in March: https://devtalk.blender.org/t/moonray-and-cycles/28436 https://devtalk.blender.org/t/moonray-and-cycles/28436
- rektide 3y ago
  First bullet point: > Many will be asking for MoonRay integration into Blender, and the path to that is through Hydra. Blender support for Hydra is being worked on, and the MoonRay developers have indicated they are following this development and also see it as the way to go. The Blender Hydra implementation will need to mature, and renderer add-ons need to do additional work to integrate nicely besides what is offered by the Hydra API. So expect this to take some time. Hydra, for rendering Pixar's Universal Sceen Description (USD). https://github.com/GPUOpen-LibrariesAndSDKs/BlenderUSDHydraAddon https://github.com/GPUOpen-LibrariesAndSDKs/BlenderUSDHydraA...
ArtWomb 3y ago
"I wrote the RDL2 library for Moonray when I worked at DWA about 8-9 years ago..." https://news.ycombinator.com/item?id=35177574 https://news.ycombinator.com/item?id=35177574 USD, MaterialX. Hydra. Probably NVidia's dominant position is driving MDL. Blender3d Cycles should support many state of the art geometry and materials node functions out of the box. Without needing to purchase commercial renderers like OTOY Octane or Chaos V-Ray. Integrating Moonray with Blender? Sounds like a lot of fun. GPU Summer, baby ;)
justinclift 3y ago
The GitHub repo looks pretty inactive. Not quite dead, but doesn't really seem maintained? https://github.com/dreamworksanimation/openmoonray https://github.com/dreamworksanimation/openmoonray
- jsheard 3y ago
  Maybe they intend to do periodic source drops from their internal version, rather than developing in the open? That's not ideal but it's still more open than any other heavy duty renderer. They might be worried about having to dance on eggshells to avoid accidentally revealing anything about their upcoming films, if the public could see every single commit they make.
  - justinclift 3y ago
    That's a fair point. :) It should really be mentioned prominently on the front page README then though, so people don't get the wrong idea.

71 points by ColinWright 3y ago

dano 3y ago

Demo video https://www.youtube.com/watch?v=RgVbXwfCy3w https://www.youtube.com/watch?v=RgVbXwfCy3w

Previous discussion from when it was announced that they were open sourcing it: https://news.ycombinator.com/item?id=32357470 https://news.ycombinator.com/item?id=32357470 (109 comments)

andybak 3y ago

Blender post regarding it from back in March: https://devtalk.blender.org/t/moonray-and-cycles/28436 https://devtalk.blender.org/t/moonray-and-cycles/28436

rektide 3y ago
First bullet point: > Many will be asking for MoonRay integration into Blender, and the path to that is through Hydra. Blender support for Hydra is being worked on, and the MoonRay developers have indicated they are following this development and also see it as the way to go. The Blender Hydra implementation will need to mature, and renderer add-ons need to do additional work to integrate nicely besides what is offered by the Hydra API. So expect this to take some time. Hydra, for rendering Pixar's Universal Sceen Description (USD). https://github.com/GPUOpen-LibrariesAndSDKs/BlenderUSDHydraAddon https://github.com/GPUOpen-LibrariesAndSDKs/BlenderUSDHydraA...

ArtWomb 3y ago

"I wrote the RDL2 library for Moonray when I worked at DWA about 8-9 years ago..." https://news.ycombinator.com/item?id=35177574 https://news.ycombinator.com/item?id=35177574 USD, MaterialX. Hydra. Probably NVidia's dominant position is driving MDL. Blender3d Cycles should support many state of the art geometry and materials node functions out of the box. Without needing to purchase commercial renderers like OTOY Octane or Chaos V-Ray. Integrating Moonray with Blender? Sounds like a lot of fun. GPU Summer, baby ;)

justinclift 3y ago

The GitHub repo looks pretty inactive. Not quite dead, but doesn't really seem maintained? https://github.com/dreamworksanimation/openmoonray https://github.com/dreamworksanimation/openmoonray

jsheard 3y ago
Maybe they intend to do periodic source drops from their internal version, rather than developing in the open? That's not ideal but it's still more open than any other heavy duty renderer. They might be worried about having to dance on eggshells to avoid accidentally revealing anything about their upcoming films, if the public could see every single commit they make.
- justinclift 3y ago
  That's a fair point. :) It should really be mentioned prominently on the front page README then though, so people don't get the wrong idea.