GPU Instancer


GPU Instancer is an out of the box solution to display extreme numbers of objects on screen with high performance. With a few mouse clicks, you can instance your prefabs, Unity Terrain details and trees.

GPU Instancer provides user friendly tools to allow everyone to use Indirect GPU Instancing without having to go through the deep learning curve of Compute Shaders and GPU infrastructure. Also, an API with extensive documentation is provided to manage runtime changes.

- Out of the box solution for complex GPU Instancing.
- VR compatible. Works with both single pass instanced and multi pass rendering modes.
- Mobile compatible. Works with both iOS and Android.
- Easy to use interface.
- Tens of thousands of objects rendered lightning fast in a single draw call.
- GPU frustum culling.
- GPU occlusion culling (also supports VR platforms with both single pass and multi pass rendering modes).
- Automatically configured custom shader support.
- Supports Standard, Universal and HD Render Pipelines.
- Complex hierarchies of prefabs instanced with a single click.
- Multiple sub-meshes support.
- LOD Groups and cross-fading support.
- Automatic 2D Billboard generation system (Standard RP and URP/HDRP 10.X and later).
- Shadows casting and receiving support for instances (frustum culled instances still can cast shadows).
- Ability to use custom shadow distance per prototype and to choose the LOD to render shadows with.
- Support for Floating Origin handling.
- Multiple camera support.
- Well documented API for procedural scenes and runtime modifications (examples included).
- Ability to Remove instances inside bounds or colliders at runtime.
- Ability to extend with custom Compute Shaders.
- Example scenes that showcase GPU Instancer capabilities.

Prefab Instancing Features:
- Ability to automatically instance prefabs at your scene that you distribute with your favorite prefab painting tool.
- Automatically Add-Remove prefab instances without any aditional code.
- Automatic detection and updating of transform position, rotation and scale changes.
- Full or area localized rigidbody and physics support.
- Nested Prefabs support (Unity 2018.3 and later).
- Add-Remove-Update prefab instances with or without instantiating GameObjects (examples included).
- Instance based material variations through API.
- Enabling and disabling instancing at runtime per instance basis.
- API to manage instanced prefabs at runtime.
- Includes mobile demo scene with custom controllers.

Detail Instancing Features:
- Dense grass fields and vegetation with very high frame rates.
- Included vegetation shader with wind, shadows, AO, billboarding and various other properties.
- Support for custom shaders and materials.
- Cross quadding support: automatically turns grass textures to crossed quads.
- Ability to paint prefabs with custom materials on Unity terrain (with Unity terrain tools).
- Ability to use prefabs with LOD Groups on Unity terrain.
- Further performance improvements with automatic spatial partitioning.
- API to manage instanced terrain detail prototypes at runtime (examples included).
- Editor GPU Instancing simulation.

Tree Instancing Features:
- Dense forests with very high frame rates.
- SpeedTree support with wind animations.
- SpeedTree 8 support with wind animations.
- Tree Creator support with wind animations.
- Support for Soft Occlusion Trees.
- Included billboard baker and renderers.


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