Shadowy

Introduction

A path tracing renderer using vulkan.

Get Started

1. Install Vulkan >= 1.2 and make sure vulkan/Bin is in included in the path
2. Build with CMake, CMakeGUI or Other IDEs
3. Run Shadowy.exe

Usage

Camera Contorl

WASD to move, press Ctrl to move at a slower speed (0.1x). Hold the left mouse button to rotate the camera. You can also change the camera position/FOV in the UI panel.

Run Shader Compile

Press the "Compile Ray Tracing Shaders" button or use the shortcut CTRL + ALT + ..

Run Time Load Obj/Sky Texture

Press "Load Obj" or "Load Sky Texture" to open the file dialog.

Light Control

Control the scene lights in the UI panel.

Features

• RayTracing AO
• Path Tracing Microfacet Material
• Next Event Estimation
• PostProcess: ToneMapping

Gallery

Dev Log

2025.1.10:

• RayTracing AO

2025.1.11

• Access Materials~~(issue with Access Textures, to fix)~~ in RayTracing Shaders

2025.1.13

• Render SceneColor into Viewport Textures rather than SwapChain Images

2025.1.14:

• Add GBuffer Support

2025.1.15

• Texture Support

• Refactor Material, Add PBR Parameters and Multi Mesh Texture Access

2025.1.16

• Access Lights In Shaders
• Better Random In Shaders
• Length Based AO and Render Options Control
• Simple Path Tracing Algorithm

Cornell Box

Sponza

2025.1.17

• Add sky light and change sky light at runtime

2025.1.18

• UI control for camera and lights
• PathTracing Developing
• Open obj and compile shaders at runtime

2025.1.20

• Separate RenderOptions for each pass as push constants
• Uncharted and ACES Tone Mapping(fixed sky texture isn't init with SRGB Format)
• Microfacet Material + Next Event Estimation

2025.1.21

• Multi Importance Sampling

2025.1.22

• Deferred Trace Material Ray(Defer Material Ray and Light Intersection to the next bounce).

FPS 32 -> 48

2025.2.4

• Handle Mix Microfacet + DiffuseLambert Material