OpenGL Renderer

A real-time rendering demo built from scratch using OpenGL and C++.

Features

Physically Based Rendering (PBR)
Image-Based Lighting (IBL)
Deferred shading
Screen Space Ambient occlusion (SSAO)
Sobel edge detection
Shadow mapping
Bloom postprocessing
Minor features: Geometry shader, Blinn-Phong shading, Skybox, glTF model loading.

Physically-Based Rendering (PBR) and Image-Based Lighting (IBL)

pbr_tachikoma.mp4

Deferred shading

A Sponza scene with 300 light sources.

deferred_shading.mp4

Screen Space Ambient Occlusion

This Gundam model looks great with ambient occlusion.

Shadow mapping

The sahdow edges are blurred using PCF.

shadow_mapping.mp4

Sobel edge detection

Bloom postprocessing

Some other cool results

pbr_armor.mp4

pbr_helmet.mp4

Build

OpenGL 4.6 / Direct State Access
Visual Studio 2022 x64 and C++20
Libraries: Assimp, glad, glfw, glm, assimp, ImGui, and stb.

Credit

Technical Resources:

Assets:

3D Models: