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资源说明：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.
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Features
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- Out of the box solution for complex GPU Instancing.
- VR compatible. Works with both single pass and multipass 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 (non-VR platforms only).
- Automatically configured custom shader support
- Complex hierarchies of prefabs instanced with a single click.
- Multiple sub-meshes support.
- LOD Groups and cross-fading support (with animation or fade transition width).
- Automatic 2D Billboard generation system (auto-added as last LOD).
- Shadows casting and receiving support for instances (frustum culled instances still can cast shadows).
- Unity 5.6 support.
- Well documented API for procedural scenes and runtime modifications (examples included).
- 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.
- Add-Remove-Update prefab instances with or without instantiating GameObjects (examples included).
- Instance based material variations through API (similar to Material Property Blocks).
- 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 [BETA]:
- Dense forests with very high frame rates.
- Speed Tree support with wind animations.
- Included billboard baker and renderers.
- Custom vertex color wind animation support for Soft Occlusion Tree shaders.
Third Party Integrations:
- Gaia integration.
- Map Magic integration.
Planned Features:
- Tree Creator support with wind animations (a limited version is currently available).
- Support for animation baking and skinned mesh renderers.
Requirements:
- DirectX 11 or DirectX 12 and Shader Model 5.0 GPU (Windows, Windows Store)
- Metal (macOS, iOS)
- OpenGL Core 4.3 (Windows, Linux)
- Vulkan (Android, Windows, Linux)
- OpenGL ES 3.1 (Android 8.0 Oreo or later)
- Modern Consoles (PS4, Xbox One)
To provide the fastest possible performance, GPU Instancer utilizes Indirect GPU Instancing using Unity's DrawMeshInstancedIndirect method and Compute Shaders.
GPU Instancing results in magnitudes of performance improvement over static batching and mesh combining. Also, other available solutions for GPU Instancing (including Unity's material option and the DrawMeshInstanced method) fail short on limited buffer sizes and therefore result in more draw calls and less performance. By using the indirect method GPU Instancer aims to provide the ultimate solution for this, and increases performance considerably while rendering the same mesh multiple times.
For more Information:
Getting Started
API Documentation
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