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Welcome to the OpenGL Wiki A free resource for learning about OpenGL Contributions are welcome! 554 articles

General Concepts Rendering Shaders OpenGL Objects

Development Tools Debugging Tools Algorithms Reference

Wiki Guide Wiki Help

Getting Started Initializing OpenGL Cross-platform Tools Manual Creation Loading OpenGL Functions Cross-platform Tools Manual Loading Glossary Code Examples FAQs Common mistakes Common legacy mistakes Common GLSL mistakes 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 Scissor Test Stencil Test Depth Test Blending Logical Operation Write Mask

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 Context Types of contexts Platform-specific issues Hardware-specific issues

The OpenGL Specification OpenGL Architectural Review Board OpenGL Extension History of OpenGL History of Programmability