Learn WEBGL with Real Code Examples
Updated Nov 25, 2025
Learning Path
Learn basic GLSL
Understand vertex/fragment pipeline
Draw shapes and apply textures
Implement lighting models
Build or use a 3D engine
Skill Improvement Plan
Week 1: GLSL fundamentals
Week 2: Buffers, VAOs, textures
Week 3: Lighting & materials
Week 4: Optimization strategies
Week 5: Build a small WebGL engine
Interview Questions
What is WebGL and how does it work?
Explain the GPU rendering pipeline.
What are vertex and fragment shaders?
How do you optimize WebGL applications?
Compare WebGL with WebGPU.
Cheat Sheet
const gl = canvas.getContext('webgl');
gl.createShader(GL.VERTEX_SHADER);
gl.bufferData(...) for VBOs
gl.useProgram(shaderProgram);
gl.drawArrays or gl.drawElements
Books
WebGL Programming Guide
WebGL Insights
Real-Time Rendering
OpenGL ES 2.0 Programming
Graphics Shaders
Tutorials
MDN WebGL tutorials
WebGL Fundamentals guide
Interactive shader tutorials
Three.js + WebGL basics
WebGL2 rendering techniques
Official Docs
https://www.khronos.org/webgl
https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API
Community Links
WebGL Reddit
Khronos forums
Three.js Discord
Babylon.js community
StackOverflow WebGL tag
Community Support
Khronos Group community
Three.js community
Babylon.js forums
StackOverflow WebGL tag
OpenGL/GLSL communities