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Welcome to the OpenGL Wiki!

This Wiki is a collection of information about OpenGL, as well as frequently asked questions about OpenGL and its API. Tutorials are also welcome and may be hosted on this Wiki.

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Getting Started OpenGL development setup Loading OpenGL functions Tools to do this automatically Additional useful development tools

FAQs FAQ Common mistakes Common legacy mistakes Common GLSL mistakes OpenGL Wiki Help Guide

OpenGL Reference OpenGL 4.6 function reference GLSL 4.6 function reference.

OpenGL Objects Buffer Objects Buffer Object Streaming Pixel Buffer Objects Textures Sampler Objects Image formats Pixel transfer operations Cubemap Textures Array Textures Buffer Textures Asynchronous query objects Framebuffer Objects Default Framebuffer Renderbuffer Objects Unconventional objects: Sync Objects Shader and program objects

Rendering pipeline Vertex Specification Vertex Rendering Primitive Vertex Processing Vertex Shader Tessellation Geometry Shader Vertex Post-Processing Transform Feedback Primitive Assembly Face Culling Rasterization Fragment Shader Per-Sample Processing Depth Test Blending

OpenGL Shading Language Shader Objects Compilation Introspection The core language Variable types Type qualifiers Layout qualifiers Uniform variables Sampler variables Built-in variables Interface blocks SPIR-V Shader stages: Vertex Shader Tessellation Tess Control Shader Tess Evaluation Shader Geometry Shader Fragment Shader Compute Shader Other shading languages

OpenGL Concepts OpenGL Context Types of contexts Synchronization Get Context Info The OpenGL Specification OpenGL Architectural Review Board The OpenGL Shading Language OpenGL Extension Legacy OpenGL History of OpenGL History of Programmability

Other useful information Debugging Tools Useful 3D algorithms Platform-specific issues Hardware-specific issues Glossary