You can directly test the demo on Android devices using the APK below: Download UnityURP-Procedural-DrawMeshInstancedIndirect.apk (Google Drive)

• Purely procedural instance data generation (no pre-generated assets)
• WeightMap-based distribution control (e.g., for grass/vegetation)
• DrawMeshInstancedIndirect rendering pipeline for maximum efficiency

Read the full technical article on Google Blog

If you need a ready-to-use, production-level system with:

• Powerful Compute Shader brush tools for painting vegetation
• Automatic terrain height & normal alignment
• Support for four types of vegetation (billboard-based)
• Built-in wind system and large-scale character interaction (push & flatten grass)
• User-friendly editor integration

Check out GPUPlantPainter on the Unity Asset Store.

For more complex procedural workflows (procedural random curve vegetation effects, similar to Ghost of Tsushima) check out: GPUGrassBladePainter on the Unity Asset Store.