Programowanie w systemie UNIX/OpenGL

wersje

• legacy
• modern

Języki

Programowanie OpenGL z użyciem:

• C
• C++

testy

• glxinfo
• glxinfo | grep "OpenGL version"
• glinf by Martin Lambers

ubuntu-drivers devices

Przykładowy wynik:

== /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0 ==
modalias : pci:v000010DEd00001184sv00001458sd00003603bc03sc00i00
vendor   : NVIDIA Corporation
model    : GK104 [GeForce GTX 770]
driver   : nvidia-driver-470 - distro non-free recommended
driver   : nvidia-driver-390 - distro non-free
driver   : nvidia-driver-450-server - distro non-free
driver   : nvidia-driver-470-server - distro non-free
driver   : nvidia-driver-418-server - distro non-free
driver   : xserver-xorg-video-nouveau - distro free builtin

Biblioteki

• glm = OpenGL Mathematics (GLM)
• glfw = is an Open Source, multi-platform library for OpenGL, OpenGL ES and Vulkan development on the desktop. It provides a simple API for creating windows, contexts and surfaces, receiving input and events.

GUI

• glut

OpenGL Mathematics

• glm OpenGL Mathematics (GLM) is a header only C++ mathematics library for graphics software based on the OpenGL Shading Language (GLSL) specifications.
• imath is a C++ and python library of 2D and 3D vector, matrix, and math operations for computer graphics

Programy

• Fragmentarium
• shadertoy
• glslsandbox
• opengl-tutorial-for-android-building-a-mandelbrot-set-generator

Dokumentacja

• OpenGL Shading Language
• docs.gl
• Red book
• Blue book
• ogldev - Modern OpenGL Tutorials In C++ on Ubuntu by Etay Meiri
• The Book of Shaders by Patricio Gonzalez Vivo and Jen Lowe
• learnopengl

 OpenGL is right handed in object space and world space. But in window space (aka screen space) we are suddenly left handed.

Formaty pixeli

Wyliczeniowe typy pixeli w OpenGL:

• GL_(UNSIGNED_)BYTE: 1 byte
• GL_(UNSIGNED_)SHORT: 2 bytes
• GL_(UNSIGNED_)INT: 4 bytes
• GL_HALF_FLOAT: 2 bytes
• GL_FLOAT: 4 bytes

przykłady

• tinyrender
• tinyraytracer
• expressions: a collection of expressions that can be used with source code for surface and displacement shaders.
• noise

Zobacz również

• apitrace śledzenie wywołań API OpenGL, Direct3D i DirectDraw do pliku