Grass
by Garrett Gunnell
An exploration of grass rendering techniques.
DISCLAIMER: While this grass is highly performant and optimized, please don't attempt to use it yourself as it is tuned to my needs. Instead, reference it as much as you'd like. I apologize for the mess.
Features
- GPU Instancing
- GPU Frustum Culling
- Chunked grass position buffers to cover any desired area
- Level of detail applied to distant chunks
- Scrolling noise texture to simulate wind
- Shaders for quad grass and individual grass blade 3d models
- Geometry Shader Grass
Quad Grass
Implementation details here.
3D Model Grass
Implementation details here.
GPU Frustum Culling
Chunking
Level Of Detail
Geometry Shader Grass
(don't reference the code for this or use it)
