Building the Next Generation of my custom DirectX 12 Engine

Over the last few months, I’ve been focused on one goal: pushing my custom DirectX 12 engine toward larger worlds, higher visual fidelity, and smoother performance across modern PC hardware.

This update introduces major improvements across rendering, world streaming and terrain generation. Here’s a look at what’s new behind the scenes.

Renderer Modernization

My rendering backend has received a substantial overhaul focused on scalability and GPU efficiency.

Improved GPU Resource Management

I redesigned the engine’s memory allocation pipeline to reduce CPU overhead and improve GPU residency management. Resource transitions are now aggressively batched, minimizing synchronization costs and improving frame pacing under heavy streaming loads.

Key improvements include:

* Reduced descriptor heap fragmentation

* Faster transient buffer allocation

* Improved upload scheduling for large open-world scenes

* Better async compute integration

These changes become especially noticeable while driving at high speeds through dense environments.

Enhanced Terrain Pipeline

The terrain system now supports significantly larger landscapes while maintaining stable performance and visual consistency.

Smarter Terrain LODs

Terrain LOD transitions were redesigned to reduce popping and preserve silhouette quality at long distances.

New features include:

* Continuous distance-based tessellation control

* Improved geomorphing between terrain biomes

* Better normal reconstruction for distant terrain

* Reduced vertex density in low-curvature areas

The result is a more stable image during high-speed traversal.

Tooling and Workflow

Engine tooling continues to evolve alongside runtime systems.

The engine continues to evolve rapidly, and I'm excited to share more technical deep dives in future posts.

Thanks for following development.

May 17, 2026