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OpenGL + Qt Tutorial

A tutorial to use OpenGL within Qt Widgets applications. A comprehensive discussion of many Qt Wrapper and convenience classes and functions to assist with OpenGL development. Includes discussion of best-practice approaches for many topics, including input handling and battery-efficient render-on-demand.

The generated documentation can be found on:

https://ghorwin.github.io/OpenGLWithQt-Tutorial

The offline-PDF version can be downloaded from the repo:

https://github.com/ghorwin/OpenGLWithQt-Tutorial/raw/master/docs/OpenGLQtTutorial.pdf

Please also check out my other tutorials at Schneggenport (https://schneggenport.de)

Contents

Tutorial discusses modern OpenGL approach with shader programs and vertex buffers/arrays. The following Qt classes are discussed:

  • QMatrix4x4
  • QVector3D and QVector4D
  • QOpenGLWindow and QOpenGLWidget
  • QOpenGLContext, QSurfaceFormat and QOpenGLFunctions
  • QOpenGLShaderProgram
  • QOpenGLTexture
  • QOpenGLFramebufferObject
  • QOpenGLVertexArrayObject and QOpenGLBuffer
  • QOpenGLDebugLogger
  • QOpenGLTimerQuery, QOpenGLTimeMonitor, and QElapsedTimer

Writing and generating the docs

Uses Asciidoctor. Go to directory text and run build.sh.