OpenGL
Do you have any knowledge about OpenGL? If not, continue with us for an introduction to OpenGL. So let’s get started.
Preface
In a sentence, OpenGL is a graphics platform related software. In 1981, a Silicon Graphics company (known as SGI) focused on 3D computer graphics and generated related software and hardware for this purpose. This SGI was then developed as IRIS GL for generating 2D and 3D graphics in SGI’s high-performance work of the 1990s. Bravely, in 1992, the SGI company abandoned all sorts of graphics-related IRIS GL activities for computer and publicly reformed as OpenGL (Graphics Library), a cross-platform custom API for the latest computer graphics.
Software vendors would have to provide their representations of the OpenGL standard on their platforms, at the same time that hardware vendor programs allowed OpenGL Tutorial to talk to basic graphics hardware called “device drivers”.
In fact, very easily, OpenGL can be said to be like a programming language like the C++17 standard. It is the description of how something works. But it’s not tangible code that can be executed. As an example, you can see the OpenGL 4.4 main profile description.
Although the SGI company only provided a specification of how the API should work. That is why then The Freedom of Hardware and Software Negotiators generates this OpenGL as their choice which is still present in the software platform successfully.
OpenGL is an open form?
OpenGL is just an intangible code that could be free to open. You can get the pattern a lot online, but its actual code is not available. OpenGL is an open source standard and the Mesa3D library is the best example of OpenGL. This Mesa3D is very popular and is used on Linux and UNIX systems. NVidia is more famous. That’s why it’s not so easy to recognize that OpenGL is an open form.
Charging
For loading OpenGL, the OpenGL Wrangler Library (GLEW), a cross-platform open source C/C++ extension, is best. This GLEW provides effective systems for the OpenGL extensions that are allowed in the designated sector. The OpenGL main and extension function is displayed in a single header folder. Linux, Mac OS X, Windows, Irix and Solaris, etc. they are GLEW’s verified system. GLEW can then load the OpenGL functions it might need to work. Including the header file and installation is the main function of OpenGL, which will be the correct and successful function.
facility
We get two main cross-platform runs to install and OpenGL backend.
GLFW
GLWF stands for Graphics Library Framework, a new cross-platform, open source library for enhancing OpenGL, Vulkan and ES on the computer. The latter GLFW has a seamless API that is useful for generating windows, contexts, and surfaces that receive information and procedures. GLFW is currently written in C and is supported on Windows, macOS, X11, and Wayland.
EXCESS
GLUT stands for OpenGL Utility Toolkit. This is a very old official way of doing work. But the original GLUT is abandoned with the latest version 3.7 from 1998. Because its license has expired to modify any new library code, as well as its software distributions, it is incomplete as XFree86.
OpenGL better
Obviously OpenGL is available for the graphics API. OpenGL why better, if you want to know then you have to learn the following elements
DirectX
In 1995, DirectX was first released as a Windows Game SDK. It is also used for visualization and graphics tasks such as CAD/CAM engineering. Although Windows 95 does not include DirectX, Windows 98 and Windows NT 4.0 ship with DirectX.
Metal
Metal is a low-level hardware-accelerated 3D graphics and computer application interface created by Apple lnc. It is a graphical API that is decorated only for the Apple operating system.
vulcan
It is the least overhead cross-platform 3D graphics, but Vulkan targets high performance for 3D graphics applications like interactive media and video games etc. Vulkan also works better for multiple CPU cores.
OpenGL Learning Source
You can get more information about OpenGL from the following sources
- OpenGL Video Tutorial Series
- open.gl website
- Website “opengl-tutorial.org”
- OpenGL Programming Wikibook
- website “learnopengl.com”
- SIGGRAPH University “An introduction to OpenGL programming”
Also Read: Best Creative and Productivity Apps for Students
All these OpenGL sources can help you develop your knowledge of OpenGL programming if you want to be a great graphics programmer.
Subscribe to our latest newsletter
To read our exclusive content, sign up now. $5/month, $50/year
Categories: Technology
Source: vtt.edu.vn