Modern cross-platform graphics engine written in C++.

Rendering Backends

Backend	Platforms	Status
Direct3D 12	Windows	Stable
Metal	macOS	Stable
Vulkan	Windows	Experimental
Vulkan (MoltenVK)	macOS	Experimental
Vulkan	Linux	Planned
Metal 4	macOS	Planned

Features

• Render graph

  • Automatic barriers and resource state tracking
  • Transient resource pooling and reuse
  • Automatic bind-flag and initial-state deduction
  • Async compute scheduling

• GPU-driven renderer

  • GPU frustum culling and two-phase GPU occlusion culling
  • Indirect rendering
  • Ultimate bindless resource model

• Global illumination and ray tracing

  • DDGI, ReSTIR DI (WIP), reference path tracer
  • Ray-traced shadows, reflections, and ambient occlusion

• Deferred rendering pipeline

  • Tiled and clustered lighting
  • PCF shadow maps for directional, spot, and point lights
  • Cascaded shadow maps for directional lights
  • SSR, SSAO, HBAO
  • Volumetric raymarching and fog volumes

• Atmosphere and environment rendering

  • Volumetric clouds
  • Hosek-Wilkie sky
  • FFT ocean
  • Rain

• Upscaling and image reconstruction

  • DLSS 3.5, XeSS2, FSR2, FSR3, MetalFX

• Post-processing and image effects

  • TAA, FXAA, bloom, automatic exposure
  • Variable rate shading, CAS, depth of field
  • Film grain, vignette, chromatic aberration, lens distortion, CRT filter
  • Texture-based and procedural lens flare

• Editor and visualization tools

  • Entity picking with selection silhouettes and transform gizmos
  • Debug renderer
  • Debug outputs: diffuse, normal, depth, roughness, metallic, emissive, AO, GI, custom, shading extension, mipmap view, triangle overdraw, material ID, meshlet ID, motion vectors

• Tooling and debugging

  • Shader hot reload
  • GPU printf and GPU assert
  • Render graph Graphviz visualization
  • PIX and RenderDoc programmatic APIs
  • Nsight Aftermath SDK, Nsight Perf SDK
  • Custom profiler and Tracy integration

Screenshots

DDGI

Disabled	Enabled

Probe Visualization

Volumetric Clouds

San Miguel

Bistro

New Sponza

Sun Temple

Ocean

Path Tracer

Ray Tracing Features

Cascaded Shadow Maps	Hard Ray Traced Shadows

Screen Space Reflections	Ray Traced Reflections

SSAO	RTAO

Triangle Overdraw

Editor

Nsight Perf HUD

Render Graph Visualization