How does The Forge compare to BGFX or other graphics frameworks?

The Forge is more focused on high-performance, GPU-driven rendering for game engines across consoles and mobile, while BGFX is a lighter-weight abstraction layer. The Forge includes advanced features like ray tracing and a custom shader language, but requires more graphics expertise.

Can I use The Forge for VR development on Meta Quest?

Yes, it supports Quest 2 with Vulkan and has integrated OpenXR, as mentioned in release 1.63. However, you'll need to handle VR-specific input and optimizations, and some unit tests may not be fully compatible.

What are the licensing costs for The Forge on consoles?

Console platforms require a commercial license from The Forge Interactive Inc., with costs not publicly listed. You must contact them for terms, which can be a barrier for indie developers without accreditation.

How to set up The Forge on Steam Deck for development?

The README provides step-by-step instructions, including installing development tools via pacman, setting up CodeLite, and cloning repositories. It requires disabling SteamOS read-only mode and managing dependencies.

Is The Forge suitable for mobile game development on Android?

Yes, it supports Android with Vulkan 1.1 and is tested on devices like Samsung S20 Ultra. However, advanced features like ray tracing may have limited driver support, and some unit tests are excluded due to bugs.

How does The Forge handle shader compilation across different platforms?

It uses a custom shader language (FSL) and a shader server for live re-compilation, translating HLSL superset shaders for APIs like DirectX 12, Vulkan, and Metal, as detailed in the FSL Programming Guide wiki.

Open-Awesome

Forge

Apache-2.0C++v1.63

A cross-platform graphics framework for building and extending game engines across PC, mobile, and consoles.

GitHub

5.6k stars571 forks0 contributors

What is Forge?

The Forge is a cross-platform graphics framework that provides core building blocks for developing, extending, or modernizing game engines. It solves the problem of supporting multiple gaming platforms—from PC and mobile to consoles—with a unified codebase, enabling developers to focus on high-level engine features rather than low-level platform specifics.

Target Audience

Game engine developers, graphics programmers, and studios needing to port or build engines across Windows, macOS, iOS, Android, Steam Deck, and consoles like PlayStation, Xbox, and Switch.

Value Proposition

Developers choose The Forge for its extensive platform support, performance-oriented GPU-driven architecture, and proven use in shipped titles (e.g., Starfield, Hades, Warzone Mobile), reducing the complexity of multi-platform engine development.

Overview

The Forge Cross-Platform Framework PC Windows, Steamdeck (native), Ray Tracing, macOS / iOS, Android, XBOX, PS4, PS5, Switch, Quest 2

Use Cases

Best For

Extending existing game engines to support additional platforms like Steam Deck or consoles
Modernizing legacy games (20+ years old) for current gaming hardware
Building custom game engines from scratch with cross-platform support
Implementing advanced rendering techniques like ray tracing and visibility buffers
Developing GPU-driven rendering pipelines for high-performance graphics
Creating SDKs or middleware for graphics technologies (e.g., VR, Dolby Vision)

Not Ideal For

Indie teams seeking a free, all-in-one engine with built-in editors and tools
Projects focused on 2D or casual graphics without need for advanced GPU-driven rendering
Developers requiring immediate console access without commercial licensing negotiations

Pros & Cons

Pros

Unmatched Platform Support

Supports Windows, macOS, iOS, Android, Steam Deck, and major consoles like PlayStation, Xbox, and Switch with specific API versions, as detailed in the README's platform list.

Cutting-Edge Graphics Features

Includes ray tracing, visibility buffers, variable rate shading, and a custom shader language (FSL) for high-performance rendering, evidenced by unit tests and release notes on advanced techniques.

Proven in Shipped Titles

Used in commercial games like Starfield, Hades, and Warzone Mobile, demonstrating reliability and performance in production, as highlighted in the README's news and examples.

Modular and Extensible Design

Provides core components like resource loading, animation with Ozz, and UI with Dear ImGui, allowing developers to build custom engines without starting from scratch, as listed in the 'lego' high-level features.

Cons

Console Licensing Barrier

Access to PlayStation, Xbox, and Switch requires a commercial license and developer accreditation, which the README states is only available on request, adding cost and complexity for small teams.

Incomplete Game Engine Package

The README explicitly admits it lacks physics, networking, and sound systems, forcing developers to source or build these separately, increasing development overhead.

Volatile API and Feature Support

Frequent breaking changes, such as removing Vulkan on Windows and retiring DirectX 11, require ongoing maintenance and adaptation, as noted in release notes like 1.59 and 1.61.

Frequently Asked Questions

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