PBR Example

Contents

• Introduction
  • Features
• Setup
• Build
  • Supported Platforms
  • Dependencies
  • Build with CMake
• License

Introduction

This project is a showcase of some advanced opengl rendering techniques.

Features

• PBR Workflow (Physically Based Rendering)
• Deferred & Forward Lighting
• SSAO (Screen Space Ambient Occlusion)
• FXAA (Fast Approximate Anti Aliasing)
• Bloom
• Tone Mapping
• HDR Rendering
• Parallax Occlusion Mapping
• Shadow Mapping
• .glTF Model Loader

Setup

Prerequisites: git with git large file storage (git-lfs).

Clone the repo using the following command:

git clone https://github.com/oddStoneGames/PBR-Example.git
cd PBR-Example

Build

Supported Platforms

• Windows
• Linux

Dependencies

• Hardware with support for OpenGL 4.2 Core
• CMake v3.10+
• C++14 Compiler
• On Linux, these libraries are required to build GLFW

Build with CMake

Step 1. Make a directory for the build files.

mkdir build

Step 2. Generate the project files.

cmake -S . -B ./build

Step 3. Build the project.

cmake --build build --config Release --target PBR-Example

Step 4. Run the executable PBR-Example which is located in the build or build/Release folder.

License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

This project has some third-party dependencies, each of which may have independent licensing:

• glad: Multi-Language GL/GLES/EGL/GLX/WGL Loader-Generator based on the official specs.
• glfw: A multi-platform library for OpenGL, OpenGL ES, Vulkan, window and input
• glm: OpenGL Mathematics
• dear imgui: Immediate Mode Graphical User Interface
• stb: Single-file public domain (or MIT licensed) libraries
• json: JSON for Modern C++

HDR Maps:

• Cannon
• Kiara 1 Dawn
• Kloppenheim 02
• Photo Studio Loft Hall
• Stuttgart Suburbs
• Venice Sunset

Models:

• Aladdin's Lamp
• Bed
• Wall Lamp
• External Lamp
• Turtle
• Indoor Plant
• Indoor Plant 2
• Palm Plant